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Diffstat (limited to 'src/3rdparty/VulkanMemoryAllocator/vk_mem_alloc.h')
| -rw-r--r-- | src/3rdparty/VulkanMemoryAllocator/vk_mem_alloc.h | 23915 |
1 files changed, 12836 insertions, 11079 deletions
diff --git a/src/3rdparty/VulkanMemoryAllocator/vk_mem_alloc.h b/src/3rdparty/VulkanMemoryAllocator/vk_mem_alloc.h index 4f3fe1c451..b8f9ab52aa 100644 --- a/src/3rdparty/VulkanMemoryAllocator/vk_mem_alloc.h +++ b/src/3rdparty/VulkanMemoryAllocator/vk_mem_alloc.h @@ -1,5 +1,5 @@ // -// Copyright (c) 2017-2019 Advanced Micro Devices, Inc. All rights reserved. +// Copyright (c) 2017-2022 Advanced Micro Devices, Inc. All rights reserved. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal @@ -23,18 +23,14 @@ #ifndef AMD_VULKAN_MEMORY_ALLOCATOR_H #define AMD_VULKAN_MEMORY_ALLOCATOR_H -#ifdef __cplusplus -extern "C" { -#endif - /** \mainpage Vulkan Memory Allocator -<b>Version 2.3.0</b> (2019-12-04) +<b>Version 3.0.1 (2022-05-26)</b> -Copyright (c) 2017-2019 Advanced Micro Devices, Inc. All rights reserved. \n +Copyright (c) 2017-2022 Advanced Micro Devices, Inc. All rights reserved. \n License: MIT -Documentation of all members: vk_mem_alloc.h +<b>API documentation divided into groups:</b> [Modules](modules.html) \section main_table_of_contents Table of contents @@ -53,10 +49,10 @@ Documentation of all members: vk_mem_alloc.h - [Mapping functions](@ref memory_mapping_mapping_functions) - [Persistently mapped memory](@ref memory_mapping_persistently_mapped_memory) - [Cache flush and invalidate](@ref memory_mapping_cache_control) - - [Finding out if memory is mappable](@ref memory_mapping_finding_if_memory_mappable) - \subpage staying_within_budget - [Querying for budget](@ref staying_within_budget_querying_for_budget) - [Controlling memory usage](@ref staying_within_budget_controlling_memory_usage) + - \subpage resource_aliasing - \subpage custom_memory_pools - [Choosing memory type index](@ref custom_memory_pools_MemTypeIndex) - [Linear allocation algorithm](@ref linear_algorithm) @@ -64,1790 +60,874 @@ Documentation of all members: vk_mem_alloc.h - [Stack](@ref linear_algorithm_stack) - [Double stack](@ref linear_algorithm_double_stack) - [Ring buffer](@ref linear_algorithm_ring_buffer) - - [Buddy allocation algorithm](@ref buddy_algorithm) - \subpage defragmentation - - [Defragmenting CPU memory](@ref defragmentation_cpu) - - [Defragmenting GPU memory](@ref defragmentation_gpu) - - [Additional notes](@ref defragmentation_additional_notes) - - [Writing custom allocation algorithm](@ref defragmentation_custom_algorithm) - - \subpage lost_allocations - \subpage statistics - [Numeric statistics](@ref statistics_numeric_statistics) - [JSON dump](@ref statistics_json_dump) - \subpage allocation_annotation - [Allocation user data](@ref allocation_user_data) - [Allocation names](@ref allocation_names) + - \subpage virtual_allocator - \subpage debugging_memory_usage - [Memory initialization](@ref debugging_memory_usage_initialization) - [Margins](@ref debugging_memory_usage_margins) - [Corruption detection](@ref debugging_memory_usage_corruption_detection) - - \subpage record_and_replay + - \subpage opengl_interop - \subpage usage_patterns - - [Common mistakes](@ref usage_patterns_common_mistakes) - - [Simple patterns](@ref usage_patterns_simple) - - [Advanced patterns](@ref usage_patterns_advanced) + - [GPU-only resource](@ref usage_patterns_gpu_only) + - [Staging copy for upload](@ref usage_patterns_staging_copy_upload) + - [Readback](@ref usage_patterns_readback) + - [Advanced data uploading](@ref usage_patterns_advanced_data_uploading) + - [Other use cases](@ref usage_patterns_other_use_cases) - \subpage configuration - [Pointers to Vulkan functions](@ref config_Vulkan_functions) - [Custom host memory allocator](@ref custom_memory_allocator) - [Device memory allocation callbacks](@ref allocation_callbacks) - [Device heap memory limit](@ref heap_memory_limit) - - \subpage vk_khr_dedicated_allocation +- <b>Extension support</b> + - \subpage vk_khr_dedicated_allocation + - \subpage enabling_buffer_device_address + - \subpage vk_ext_memory_priority + - \subpage vk_amd_device_coherent_memory - \subpage general_considerations - [Thread safety](@ref general_considerations_thread_safety) + - [Versioning and compatibility](@ref general_considerations_versioning_and_compatibility) - [Validation layer warnings](@ref general_considerations_validation_layer_warnings) - [Allocation algorithm](@ref general_considerations_allocation_algorithm) - [Features not supported](@ref general_considerations_features_not_supported) \section main_see_also See also -- [Product page on GPUOpen](https://gpuopen.com/gaming-product/vulkan-memory-allocator/) -- [Source repository on GitHub](https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator) +- [**Product page on GPUOpen**](https://gpuopen.com/gaming-product/vulkan-memory-allocator/) +- [**Source repository on GitHub**](https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator) +\defgroup group_init Library initialization +\brief API elements related to the initialization and management of the entire library, especially #VmaAllocator object. +\defgroup group_alloc Memory allocation -\page quick_start Quick start +\brief API elements related to the allocation, deallocation, and management of Vulkan memory, buffers, images. +Most basic ones being: vmaCreateBuffer(), vmaCreateImage(). -\section quick_start_project_setup Project setup +\defgroup group_virtual Virtual allocator -Vulkan Memory Allocator comes in form of a "stb-style" single header file. -You don't need to build it as a separate library project. -You can add this file directly to your project and submit it to code repository next to your other source files. +\brief API elements related to the mechanism of \ref virtual_allocator - using the core allocation algorithm +for user-defined purpose without allocating any real GPU memory. -"Single header" doesn't mean that everything is contained in C/C++ declarations, -like it tends to be in case of inline functions or C++ templates. -It means that implementation is bundled with interface in a single file and needs to be extracted using preprocessor macro. -If you don't do it properly, you will get linker errors. - -To do it properly: +\defgroup group_stats Statistics --# Include "vk_mem_alloc.h" file in each CPP file where you want to use the library. - This includes declarations of all members of the library. --# In exacly one CPP file define following macro before this include. - It enables also internal definitions. - -\code -#define VMA_IMPLEMENTATION -#include "vk_mem_alloc.h" -\endcode - -It may be a good idea to create dedicated CPP file just for this purpose. - -Note on language: This library is written in C++, but has C-compatible interface. -Thus you can include and use vk_mem_alloc.h in C or C++ code, but full -implementation with `VMA_IMPLEMENTATION` macro must be compiled as C++, NOT as C. - -Please note that this library includes header `<vulkan/vulkan.h>`, which in turn -includes `<windows.h>` on Windows. If you need some specific macros defined -before including these headers (like `WIN32_LEAN_AND_MEAN` or -`WINVER` for Windows, `VK_USE_PLATFORM_WIN32_KHR` for Vulkan), you must define -them before every `#include` of this library. - - -\section quick_start_initialization Initialization - -At program startup: - --# Initialize Vulkan to have `VkPhysicalDevice` and `VkDevice` object. --# Fill VmaAllocatorCreateInfo structure and create #VmaAllocator object by - calling vmaCreateAllocator(). - -\code -VmaAllocatorCreateInfo allocatorInfo = {}; -allocatorInfo.physicalDevice = physicalDevice; -allocatorInfo.device = device; - -VmaAllocator allocator; -vmaCreateAllocator(&allocatorInfo, &allocator); -\endcode - -\section quick_start_resource_allocation Resource allocation - -When you want to create a buffer or image: - --# Fill `VkBufferCreateInfo` / `VkImageCreateInfo` structure. --# Fill VmaAllocationCreateInfo structure. --# Call vmaCreateBuffer() / vmaCreateImage() to get `VkBuffer`/`VkImage` with memory - already allocated and bound to it. - -\code -VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -bufferInfo.size = 65536; -bufferInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; - -VmaAllocationCreateInfo allocInfo = {}; -allocInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; - -VkBuffer buffer; -VmaAllocation allocation; -vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); -\endcode - -Don't forget to destroy your objects when no longer needed: - -\code -vmaDestroyBuffer(allocator, buffer, allocation); -vmaDestroyAllocator(allocator); -\endcode - - -\page choosing_memory_type Choosing memory type - -Physical devices in Vulkan support various combinations of memory heaps and -types. Help with choosing correct and optimal memory type for your specific -resource is one of the key features of this library. You can use it by filling -appropriate members of VmaAllocationCreateInfo structure, as described below. -You can also combine multiple methods. - --# If you just want to find memory type index that meets your requirements, you - can use function: vmaFindMemoryTypeIndex(), vmaFindMemoryTypeIndexForBufferInfo(), - vmaFindMemoryTypeIndexForImageInfo(). --# If you want to allocate a region of device memory without association with any - specific image or buffer, you can use function vmaAllocateMemory(). Usage of - this function is not recommended and usually not needed. - vmaAllocateMemoryPages() function is also provided for creating multiple allocations at once, - which may be useful for sparse binding. --# If you already have a buffer or an image created, you want to allocate memory - for it and then you will bind it yourself, you can use function - vmaAllocateMemoryForBuffer(), vmaAllocateMemoryForImage(). - For binding you should use functions: vmaBindBufferMemory(), vmaBindImageMemory() - or their extended versions: vmaBindBufferMemory2(), vmaBindImageMemory2(). --# If you want to create a buffer or an image, allocate memory for it and bind - them together, all in one call, you can use function vmaCreateBuffer(), - vmaCreateImage(). This is the easiest and recommended way to use this library. - -When using 3. or 4., the library internally queries Vulkan for memory types -supported for that buffer or image (function `vkGetBufferMemoryRequirements()`) -and uses only one of these types. - -If no memory type can be found that meets all the requirements, these functions -return `VK_ERROR_FEATURE_NOT_PRESENT`. - -You can leave VmaAllocationCreateInfo structure completely filled with zeros. -It means no requirements are specified for memory type. -It is valid, although not very useful. - -\section choosing_memory_type_usage Usage - -The easiest way to specify memory requirements is to fill member -VmaAllocationCreateInfo::usage using one of the values of enum #VmaMemoryUsage. -It defines high level, common usage types. -For more details, see description of this enum. - -For example, if you want to create a uniform buffer that will be filled using -transfer only once or infrequently and used for rendering every frame, you can -do it using following code: - -\code -VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -bufferInfo.size = 65536; -bufferInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; - -VmaAllocationCreateInfo allocInfo = {}; -allocInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; - -VkBuffer buffer; -VmaAllocation allocation; -vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); -\endcode - -\section choosing_memory_type_required_preferred_flags Required and preferred flags - -You can specify more detailed requirements by filling members -VmaAllocationCreateInfo::requiredFlags and VmaAllocationCreateInfo::preferredFlags -with a combination of bits from enum `VkMemoryPropertyFlags`. For example, -if you want to create a buffer that will be persistently mapped on host (so it -must be `HOST_VISIBLE`) and preferably will also be `HOST_COHERENT` and `HOST_CACHED`, -use following code: +\brief API elements that query current status of the allocator, from memory usage, budget, to full dump of the internal state in JSON format. +See documentation chapter: \ref statistics. +*/ -\code -VmaAllocationCreateInfo allocInfo = {}; -allocInfo.requiredFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; -allocInfo.preferredFlags = VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT; -allocInfo.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT; -VkBuffer buffer; -VmaAllocation allocation; -vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); -\endcode +#ifdef __cplusplus +extern "C" { +#endif -A memory type is chosen that has all the required flags and as many preferred -flags set as possible. +#ifndef VULKAN_H_ + #include <vulkan/vulkan.h> +#endif -If you use VmaAllocationCreateInfo::usage, it is just internally converted to -a set of required and preferred flags. +// Define this macro to declare maximum supported Vulkan version in format AAABBBCCC, +// where AAA = major, BBB = minor, CCC = patch. +// If you want to use version > 1.0, it still needs to be enabled via VmaAllocatorCreateInfo::vulkanApiVersion. +#if !defined(VMA_VULKAN_VERSION) + #if defined(VK_VERSION_1_3) + #define VMA_VULKAN_VERSION 1003000 + #elif defined(VK_VERSION_1_2) + #define VMA_VULKAN_VERSION 1002000 + #elif defined(VK_VERSION_1_1) + #define VMA_VULKAN_VERSION 1001000 + #else + #define VMA_VULKAN_VERSION 1000000 + #endif +#endif -\section choosing_memory_type_explicit_memory_types Explicit memory types +#if defined(__ANDROID__) && defined(VK_NO_PROTOTYPES) && VMA_STATIC_VULKAN_FUNCTIONS + extern PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr; + extern PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr; + extern PFN_vkGetPhysicalDeviceProperties vkGetPhysicalDeviceProperties; + extern PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties; + extern PFN_vkAllocateMemory vkAllocateMemory; + extern PFN_vkFreeMemory vkFreeMemory; + extern PFN_vkMapMemory vkMapMemory; + extern PFN_vkUnmapMemory vkUnmapMemory; + extern PFN_vkFlushMappedMemoryRanges vkFlushMappedMemoryRanges; + extern PFN_vkInvalidateMappedMemoryRanges vkInvalidateMappedMemoryRanges; + extern PFN_vkBindBufferMemory vkBindBufferMemory; + extern PFN_vkBindImageMemory vkBindImageMemory; + extern PFN_vkGetBufferMemoryRequirements vkGetBufferMemoryRequirements; + extern PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements; + extern PFN_vkCreateBuffer vkCreateBuffer; + extern PFN_vkDestroyBuffer vkDestroyBuffer; + extern PFN_vkCreateImage vkCreateImage; + extern PFN_vkDestroyImage vkDestroyImage; + extern PFN_vkCmdCopyBuffer vkCmdCopyBuffer; + #if VMA_VULKAN_VERSION >= 1001000 + extern PFN_vkGetBufferMemoryRequirements2 vkGetBufferMemoryRequirements2; + extern PFN_vkGetImageMemoryRequirements2 vkGetImageMemoryRequirements2; + extern PFN_vkBindBufferMemory2 vkBindBufferMemory2; + extern PFN_vkBindImageMemory2 vkBindImageMemory2; + extern PFN_vkGetPhysicalDeviceMemoryProperties2 vkGetPhysicalDeviceMemoryProperties2; + #endif // #if VMA_VULKAN_VERSION >= 1001000 +#endif // #if defined(__ANDROID__) && VMA_STATIC_VULKAN_FUNCTIONS && VK_NO_PROTOTYPES -If you inspected memory types available on the physical device and you have -a preference for memory types that you want to use, you can fill member -VmaAllocationCreateInfo::memoryTypeBits. It is a bit mask, where each bit set -means that a memory type with that index is allowed to be used for the -allocation. Special value 0, just like `UINT32_MAX`, means there are no -restrictions to memory type index. +#if !defined(VMA_DEDICATED_ALLOCATION) + #if VK_KHR_get_memory_requirements2 && VK_KHR_dedicated_allocation + #define VMA_DEDICATED_ALLOCATION 1 + #else + #define VMA_DEDICATED_ALLOCATION 0 + #endif +#endif -Please note that this member is NOT just a memory type index. -Still you can use it to choose just one, specific memory type. -For example, if you already determined that your buffer should be created in -memory type 2, use following code: +#if !defined(VMA_BIND_MEMORY2) + #if VK_KHR_bind_memory2 + #define VMA_BIND_MEMORY2 1 + #else + #define VMA_BIND_MEMORY2 0 + #endif +#endif -\code -uint32_t memoryTypeIndex = 2; +#if !defined(VMA_MEMORY_BUDGET) + #if VK_EXT_memory_budget && (VK_KHR_get_physical_device_properties2 || VMA_VULKAN_VERSION >= 1001000) + #define VMA_MEMORY_BUDGET 1 + #else + #define VMA_MEMORY_BUDGET 0 + #endif +#endif -VmaAllocationCreateInfo allocInfo = {}; -allocInfo.memoryTypeBits = 1u << memoryTypeIndex; +// Defined to 1 when VK_KHR_buffer_device_address device extension or equivalent core Vulkan 1.2 feature is defined in its headers. +#if !defined(VMA_BUFFER_DEVICE_ADDRESS) + #if VK_KHR_buffer_device_address || VMA_VULKAN_VERSION >= 1002000 + #define VMA_BUFFER_DEVICE_ADDRESS 1 + #else + #define VMA_BUFFER_DEVICE_ADDRESS 0 + #endif +#endif -VkBuffer buffer; -VmaAllocation allocation; -vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); -\endcode +// Defined to 1 when VK_EXT_memory_priority device extension is defined in Vulkan headers. +#if !defined(VMA_MEMORY_PRIORITY) + #if VK_EXT_memory_priority + #define VMA_MEMORY_PRIORITY 1 + #else + #define VMA_MEMORY_PRIORITY 0 + #endif +#endif -\section choosing_memory_type_custom_memory_pools Custom memory pools +// Defined to 1 when VK_KHR_external_memory device extension is defined in Vulkan headers. +#if !defined(VMA_EXTERNAL_MEMORY) + #if VK_KHR_external_memory + #define VMA_EXTERNAL_MEMORY 1 + #else + #define VMA_EXTERNAL_MEMORY 0 + #endif +#endif -If you allocate from custom memory pool, all the ways of specifying memory -requirements described above are not applicable and the aforementioned members -of VmaAllocationCreateInfo structure are ignored. Memory type is selected -explicitly when creating the pool and then used to make all the allocations from -that pool. For further details, see \ref custom_memory_pools. +// Define these macros to decorate all public functions with additional code, +// before and after returned type, appropriately. This may be useful for +// exporting the functions when compiling VMA as a separate library. Example: +// #define VMA_CALL_PRE __declspec(dllexport) +// #define VMA_CALL_POST __cdecl +#ifndef VMA_CALL_PRE + #define VMA_CALL_PRE +#endif +#ifndef VMA_CALL_POST + #define VMA_CALL_POST +#endif -\section choosing_memory_type_dedicated_allocations Dedicated allocations +// Define this macro to decorate pointers with an attribute specifying the +// length of the array they point to if they are not null. +// +// The length may be one of +// - The name of another parameter in the argument list where the pointer is declared +// - The name of another member in the struct where the pointer is declared +// - The name of a member of a struct type, meaning the value of that member in +// the context of the call. For example +// VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount"), +// this means the number of memory heaps available in the device associated +// with the VmaAllocator being dealt with. +#ifndef VMA_LEN_IF_NOT_NULL + #define VMA_LEN_IF_NOT_NULL(len) +#endif -Memory for allocations is reserved out of larger block of `VkDeviceMemory` -allocated from Vulkan internally. That's the main feature of this whole library. -You can still request a separate memory block to be created for an allocation, -just like you would do in a trivial solution without using any allocator. -In that case, a buffer or image is always bound to that memory at offset 0. -This is called a "dedicated allocation". -You can explicitly request it by using flag #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. -The library can also internally decide to use dedicated allocation in some cases, e.g.: +// The VMA_NULLABLE macro is defined to be _Nullable when compiling with Clang. +// see: https://clang.llvm.org/docs/AttributeReference.html#nullable +#ifndef VMA_NULLABLE + #ifdef __clang__ + #define VMA_NULLABLE _Nullable + #else + #define VMA_NULLABLE + #endif +#endif -- When the size of the allocation is large. -- When [VK_KHR_dedicated_allocation](@ref vk_khr_dedicated_allocation) extension is enabled - and it reports that dedicated allocation is required or recommended for the resource. -- When allocation of next big memory block fails due to not enough device memory, - but allocation with the exact requested size succeeds. +// The VMA_NOT_NULL macro is defined to be _Nonnull when compiling with Clang. +// see: https://clang.llvm.org/docs/AttributeReference.html#nonnull +#ifndef VMA_NOT_NULL + #ifdef __clang__ + #define VMA_NOT_NULL _Nonnull + #else + #define VMA_NOT_NULL + #endif +#endif +// If non-dispatchable handles are represented as pointers then we can give +// then nullability annotations +#ifndef VMA_NOT_NULL_NON_DISPATCHABLE + #if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__) ) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__) + #define VMA_NOT_NULL_NON_DISPATCHABLE VMA_NOT_NULL + #else + #define VMA_NOT_NULL_NON_DISPATCHABLE + #endif +#endif -\page memory_mapping Memory mapping +#ifndef VMA_NULLABLE_NON_DISPATCHABLE + #if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__) ) || defined(_M_X64) || defined(__ia64) || defined (_M_IA64) || defined(__aarch64__) || defined(__powerpc64__) + #define VMA_NULLABLE_NON_DISPATCHABLE VMA_NULLABLE + #else + #define VMA_NULLABLE_NON_DISPATCHABLE + #endif +#endif -To "map memory" in Vulkan means to obtain a CPU pointer to `VkDeviceMemory`, -to be able to read from it or write to it in CPU code. -Mapping is possible only of memory allocated from a memory type that has -`VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` flag. -Functions `vkMapMemory()`, `vkUnmapMemory()` are designed for this purpose. -You can use them directly with memory allocated by this library, -but it is not recommended because of following issue: -Mapping the same `VkDeviceMemory` block multiple times is illegal - only one mapping at a time is allowed. -This includes mapping disjoint regions. Mapping is not reference-counted internally by Vulkan. -Because of this, Vulkan Memory Allocator provides following facilities: +#ifndef VMA_STATS_STRING_ENABLED + #define VMA_STATS_STRING_ENABLED 1 +#endif -\section memory_mapping_mapping_functions Mapping functions +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +// +// INTERFACE +// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// -The library provides following functions for mapping of a specific #VmaAllocation: vmaMapMemory(), vmaUnmapMemory(). -They are safer and more convenient to use than standard Vulkan functions. -You can map an allocation multiple times simultaneously - mapping is reference-counted internally. -You can also map different allocations simultaneously regardless of whether they use the same `VkDeviceMemory` block. -The way it's implemented is that the library always maps entire memory block, not just region of the allocation. -For further details, see description of vmaMapMemory() function. -Example: +// Sections for managing code placement in file, only for development purposes e.g. for convenient folding inside an IDE. +#ifndef _VMA_ENUM_DECLARATIONS -\code -// Having these objects initialized: +/** +\addtogroup group_init +@{ +*/ -struct ConstantBuffer +/// Flags for created #VmaAllocator. +typedef enum VmaAllocatorCreateFlagBits { - ... -}; -ConstantBuffer constantBufferData; - -VmaAllocator allocator; -VkBuffer constantBuffer; -VmaAllocation constantBufferAllocation; - -// You can map and fill your buffer using following code: - -void* mappedData; -vmaMapMemory(allocator, constantBufferAllocation, &mappedData); -memcpy(mappedData, &constantBufferData, sizeof(constantBufferData)); -vmaUnmapMemory(allocator, constantBufferAllocation); -\endcode + /** \brief Allocator and all objects created from it will not be synchronized internally, so you must guarantee they are used from only one thread at a time or synchronized externally by you. -When mapping, you may see a warning from Vulkan validation layer similar to this one: + Using this flag may increase performance because internal mutexes are not used. + */ + VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT = 0x00000001, + /** \brief Enables usage of VK_KHR_dedicated_allocation extension. -<i>Mapping an image with layout VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL can result in undefined behavior if this memory is used by the device. Only GENERAL or PREINITIALIZED should be used.</i> + The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. + When it is `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. -It happens because the library maps entire `VkDeviceMemory` block, where different -types of images and buffers may end up together, especially on GPUs with unified memory like Intel. -You can safely ignore it if you are sure you access only memory of the intended -object that you wanted to map. + Using this extension will automatically allocate dedicated blocks of memory for + some buffers and images instead of suballocating place for them out of bigger + memory blocks (as if you explicitly used #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT + flag) when it is recommended by the driver. It may improve performance on some + GPUs. + You may set this flag only if you found out that following device extensions are + supported, you enabled them while creating Vulkan device passed as + VmaAllocatorCreateInfo::device, and you want them to be used internally by this + library: -\section memory_mapping_persistently_mapped_memory Persistently mapped memory + - VK_KHR_get_memory_requirements2 (device extension) + - VK_KHR_dedicated_allocation (device extension) -Kepping your memory persistently mapped is generally OK in Vulkan. -You don't need to unmap it before using its data on the GPU. -The library provides a special feature designed for that: -Allocations made with #VMA_ALLOCATION_CREATE_MAPPED_BIT flag set in -VmaAllocationCreateInfo::flags stay mapped all the time, -so you can just access CPU pointer to it any time -without a need to call any "map" or "unmap" function. -Example: + When this flag is set, you can experience following warnings reported by Vulkan + validation layer. You can ignore them. -\code -VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -bufCreateInfo.size = sizeof(ConstantBuffer); -bufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + > vkBindBufferMemory(): Binding memory to buffer 0x2d but vkGetBufferMemoryRequirements() has not been called on that buffer. + */ + VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT = 0x00000002, + /** + Enables usage of VK_KHR_bind_memory2 extension. -VmaAllocationCreateInfo allocCreateInfo = {}; -allocCreateInfo.usage = VMA_MEMORY_USAGE_CPU_ONLY; -allocCreateInfo.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT; + The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. + When it is `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. -VkBuffer buf; -VmaAllocation alloc; -VmaAllocationInfo allocInfo; -vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); + You may set this flag only if you found out that this device extension is supported, + you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, + and you want it to be used internally by this library. -// Buffer is already mapped. You can access its memory. -memcpy(allocInfo.pMappedData, &constantBufferData, sizeof(constantBufferData)); -\endcode + The extension provides functions `vkBindBufferMemory2KHR` and `vkBindImageMemory2KHR`, + which allow to pass a chain of `pNext` structures while binding. + This flag is required if you use `pNext` parameter in vmaBindBufferMemory2() or vmaBindImageMemory2(). + */ + VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT = 0x00000004, + /** + Enables usage of VK_EXT_memory_budget extension. -There are some exceptions though, when you should consider mapping memory only for a short period of time: - -- When operating system is Windows 7 or 8.x (Windows 10 is not affected because it uses WDDM2), - device is discrete AMD GPU, - and memory type is the special 256 MiB pool of `DEVICE_LOCAL + HOST_VISIBLE` memory - (selected when you use #VMA_MEMORY_USAGE_CPU_TO_GPU), - then whenever a memory block allocated from this memory type stays mapped - for the time of any call to `vkQueueSubmit()` or `vkQueuePresentKHR()`, this - block is migrated by WDDM to system RAM, which degrades performance. It doesn't - matter if that particular memory block is actually used by the command buffer - being submitted. -- On Mac/MoltenVK there is a known bug - [Issue #175](https://github.com/KhronosGroup/MoltenVK/issues/175) - which requires unmapping before GPU can see updated texture. -- Keeping many large memory blocks mapped may impact performance or stability of some debugging tools. + You may set this flag only if you found out that this device extension is supported, + you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, + and you want it to be used internally by this library, along with another instance extension + VK_KHR_get_physical_device_properties2, which is required by it (or Vulkan 1.1, where this extension is promoted). -\section memory_mapping_cache_control Cache flush and invalidate - -Memory in Vulkan doesn't need to be unmapped before using it on GPU, -but unless a memory types has `VK_MEMORY_PROPERTY_HOST_COHERENT_BIT` flag set, -you need to manually **invalidate** cache before reading of mapped pointer -and **flush** cache after writing to mapped pointer. -Map/unmap operations don't do that automatically. -Vulkan provides following functions for this purpose `vkFlushMappedMemoryRanges()`, -`vkInvalidateMappedMemoryRanges()`, but this library provides more convenient -functions that refer to given allocation object: vmaFlushAllocation(), -vmaInvalidateAllocation(). + The extension provides query for current memory usage and budget, which will probably + be more accurate than an estimation used by the library otherwise. + */ + VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT = 0x00000008, + /** + Enables usage of VK_AMD_device_coherent_memory extension. -Regions of memory specified for flush/invalidate must be aligned to -`VkPhysicalDeviceLimits::nonCoherentAtomSize`. This is automatically ensured by the library. -In any memory type that is `HOST_VISIBLE` but not `HOST_COHERENT`, all allocations -within blocks are aligned to this value, so their offsets are always multiply of -`nonCoherentAtomSize` and two different allocations never share same "line" of this size. + You may set this flag only if you: -Please note that memory allocated with #VMA_MEMORY_USAGE_CPU_ONLY is guaranteed to be `HOST_COHERENT`. + - found out that this device extension is supported and enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, + - checked that `VkPhysicalDeviceCoherentMemoryFeaturesAMD::deviceCoherentMemory` is true and set it while creating the Vulkan device, + - want it to be used internally by this library. -Also, Windows drivers from all 3 **PC** GPU vendors (AMD, Intel, NVIDIA) -currently provide `HOST_COHERENT` flag on all memory types that are -`HOST_VISIBLE`, so on this platform you may not need to bother. + The extension and accompanying device feature provide access to memory types with + `VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD` and `VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD` flags. + They are useful mostly for writing breadcrumb markers - a common method for debugging GPU crash/hang/TDR. -\section memory_mapping_finding_if_memory_mappable Finding out if memory is mappable + When the extension is not enabled, such memory types are still enumerated, but their usage is illegal. + To protect from this error, if you don't create the allocator with this flag, it will refuse to allocate any memory or create a custom pool in such memory type, + returning `VK_ERROR_FEATURE_NOT_PRESENT`. + */ + VMA_ALLOCATOR_CREATE_AMD_DEVICE_COHERENT_MEMORY_BIT = 0x00000010, + /** + Enables usage of "buffer device address" feature, which allows you to use function + `vkGetBufferDeviceAddress*` to get raw GPU pointer to a buffer and pass it for usage inside a shader. -It may happen that your allocation ends up in memory that is `HOST_VISIBLE` (available for mapping) -despite it wasn't explicitly requested. -For example, application may work on integrated graphics with unified memory (like Intel) or -allocation from video memory might have failed, so the library chose system memory as fallback. + You may set this flag only if you: -You can detect this case and map such allocation to access its memory on CPU directly, -instead of launching a transfer operation. -In order to do that: inspect `allocInfo.memoryType`, call vmaGetMemoryTypeProperties(), -and look for `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` flag in properties of that memory type. + 1. (For Vulkan version < 1.2) Found as available and enabled device extension + VK_KHR_buffer_device_address. + This extension is promoted to core Vulkan 1.2. + 2. Found as available and enabled device feature `VkPhysicalDeviceBufferDeviceAddressFeatures::bufferDeviceAddress`. -\code -VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -bufCreateInfo.size = sizeof(ConstantBuffer); -bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + When this flag is set, you can create buffers with `VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT` using VMA. + The library automatically adds `VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT` to + allocated memory blocks wherever it might be needed. -VmaAllocationCreateInfo allocCreateInfo = {}; -allocCreateInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; -allocCreateInfo.preferredFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + For more information, see documentation chapter \ref enabling_buffer_device_address. + */ + VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT = 0x00000020, + /** + Enables usage of VK_EXT_memory_priority extension in the library. -VkBuffer buf; -VmaAllocation alloc; -VmaAllocationInfo allocInfo; -vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); + You may set this flag only if you found available and enabled this device extension, + along with `VkPhysicalDeviceMemoryPriorityFeaturesEXT::memoryPriority == VK_TRUE`, + while creating Vulkan device passed as VmaAllocatorCreateInfo::device. -VkMemoryPropertyFlags memFlags; -vmaGetMemoryTypeProperties(allocator, allocInfo.memoryType, &memFlags); -if((memFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) -{ - // Allocation ended up in mappable memory. You can map it and access it directly. - void* mappedData; - vmaMapMemory(allocator, alloc, &mappedData); - memcpy(mappedData, &constantBufferData, sizeof(constantBufferData)); - vmaUnmapMemory(allocator, alloc); -} -else -{ - // Allocation ended up in non-mappable memory. - // You need to create CPU-side buffer in VMA_MEMORY_USAGE_CPU_ONLY and make a transfer. -} -\endcode + When this flag is used, VmaAllocationCreateInfo::priority and VmaPoolCreateInfo::priority + are used to set priorities of allocated Vulkan memory. Without it, these variables are ignored. -You can even use #VMA_ALLOCATION_CREATE_MAPPED_BIT flag while creating allocations -that are not necessarily `HOST_VISIBLE` (e.g. using #VMA_MEMORY_USAGE_GPU_ONLY). -If the allocation ends up in memory type that is `HOST_VISIBLE`, it will be persistently mapped and you can use it directly. -If not, the flag is just ignored. -Example: + A priority must be a floating-point value between 0 and 1, indicating the priority of the allocation relative to other memory allocations. + Larger values are higher priority. The granularity of the priorities is implementation-dependent. + It is automatically passed to every call to `vkAllocateMemory` done by the library using structure `VkMemoryPriorityAllocateInfoEXT`. + The value to be used for default priority is 0.5. + For more details, see the documentation of the VK_EXT_memory_priority extension. + */ + VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT = 0x00000040, -\code -VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -bufCreateInfo.size = sizeof(ConstantBuffer); -bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + VMA_ALLOCATOR_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaAllocatorCreateFlagBits; +/// See #VmaAllocatorCreateFlagBits. +typedef VkFlags VmaAllocatorCreateFlags; -VmaAllocationCreateInfo allocCreateInfo = {}; -allocCreateInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; -allocCreateInfo.flags = VMA_ALLOCATION_CREATE_MAPPED_BIT; +/** @} */ -VkBuffer buf; -VmaAllocation alloc; -VmaAllocationInfo allocInfo; -vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); +/** +\addtogroup group_alloc +@{ +*/ -if(allocInfo.pUserData != nullptr) -{ - // Allocation ended up in mappable memory. - // It's persistently mapped. You can access it directly. - memcpy(allocInfo.pMappedData, &constantBufferData, sizeof(constantBufferData)); -} -else +/// \brief Intended usage of the allocated memory. +typedef enum VmaMemoryUsage { - // Allocation ended up in non-mappable memory. - // You need to create CPU-side buffer in VMA_MEMORY_USAGE_CPU_ONLY and make a transfer. -} -\endcode - - -\page staying_within_budget Staying within budget - -When developing a graphics-intensive game or program, it is important to avoid allocating -more GPU memory than it's physically available. When the memory is over-committed, -various bad things can happen, depending on the specific GPU, graphics driver, and -operating system: - -- It may just work without any problems. -- The application may slow down because some memory blocks are moved to system RAM - and the GPU has to access them through PCI Express bus. -- A new allocation may take very long time to complete, even few seconds, and possibly - freeze entire system. -- The new allocation may fail with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. -- It may even result in GPU crash (TDR), observed as `VK_ERROR_DEVICE_LOST` - returned somewhere later. - -\section staying_within_budget_querying_for_budget Querying for budget - -To query for current memory usage and available budget, use function vmaGetBudget(). -Returned structure #VmaBudget contains quantities expressed in bytes, per Vulkan memory heap. - -Please note that this function returns different information and works faster than -vmaCalculateStats(). vmaGetBudget() can be called every frame or even before every -allocation, while vmaCalculateStats() is intended to be used rarely, -only to obtain statistical information, e.g. for debugging purposes. - -It is recommended to use <b>VK_EXT_memory_budget</b> device extension to obtain information -about the budget from Vulkan device. VMA is able to use this extension automatically. -When not enabled, the allocator behaves same way, but then it estimates current usage -and available budget based on its internal information and Vulkan memory heap sizes, -which may be less precise. In order to use this extension: - -1. Make sure extensions VK_EXT_memory_budget and VK_KHR_get_physical_device_properties2 - required by it are available and enable them. Please note that the first is a device - extension and the second is instance extension! -2. Use flag #VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT when creating #VmaAllocator object. -3. Make sure to call vmaSetCurrentFrameIndex() every frame. Budget is queried from - Vulkan inside of it to avoid overhead of querying it with every allocation. - -\section staying_within_budget_controlling_memory_usage Controlling memory usage - -There are many ways in which you can try to stay within the budget. - -First, when making new allocation requires allocating a new memory block, the library -tries not to exceed the budget automatically. If a block with default recommended size -(e.g. 256 MB) would go over budget, a smaller block is allocated, possibly even -dedicated memory for just this resource. - -If the size of the requested resource plus current memory usage is more than the -budget, by default the library still tries to create it, leaving it to the Vulkan -implementation whether the allocation succeeds or fails. You can change this behavior -by using #VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT flag. With it, the allocation is -not made if it would exceed the budget or if the budget is already exceeded. -Some other allocations become lost instead to make room for it, if the mechanism of -[lost allocations](@ref lost_allocations) is used. -If that is not possible, the allocation fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. -Example usage pattern may be to pass the #VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT flag -when creating resources that are not essential for the application (e.g. the texture -of a specific object) and not to pass it when creating critically important resources -(e.g. render targets). - -Finally, you can also use #VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT flag to make sure -a new allocation is created only when it fits inside one of the existing memory blocks. -If it would require to allocate a new block, if fails instead with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. -This also ensures that the function call is very fast because it never goes to Vulkan -to obtain a new block. - -Please note that creating \ref custom_memory_pools with VmaPoolCreateInfo::minBlockCount -set to more than 0 will try to allocate memory blocks without checking whether they -fit within budget. - - -\page custom_memory_pools Custom memory pools - -A memory pool contains a number of `VkDeviceMemory` blocks. -The library automatically creates and manages default pool for each memory type available on the device. -Default memory pool automatically grows in size. -Size of allocated blocks is also variable and managed automatically. - -You can create custom pool and allocate memory out of it. -It can be useful if you want to: - -- Keep certain kind of allocations separate from others. -- Enforce particular, fixed size of Vulkan memory blocks. -- Limit maximum amount of Vulkan memory allocated for that pool. -- Reserve minimum or fixed amount of Vulkan memory always preallocated for that pool. - -To use custom memory pools: - --# Fill VmaPoolCreateInfo structure. --# Call vmaCreatePool() to obtain #VmaPool handle. --# When making an allocation, set VmaAllocationCreateInfo::pool to this handle. - You don't need to specify any other parameters of this structure, like `usage`. - -Example: - -\code -// Create a pool that can have at most 2 blocks, 128 MiB each. -VmaPoolCreateInfo poolCreateInfo = {}; -poolCreateInfo.memoryTypeIndex = ... -poolCreateInfo.blockSize = 128ull * 1024 * 1024; -poolCreateInfo.maxBlockCount = 2; - -VmaPool pool; -vmaCreatePool(allocator, &poolCreateInfo, &pool); - -// Allocate a buffer out of it. -VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -bufCreateInfo.size = 1024; -bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; - -VmaAllocationCreateInfo allocCreateInfo = {}; -allocCreateInfo.pool = pool; - -VkBuffer buf; -VmaAllocation alloc; -VmaAllocationInfo allocInfo; -vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); -\endcode - -You have to free all allocations made from this pool before destroying it. - -\code -vmaDestroyBuffer(allocator, buf, alloc); -vmaDestroyPool(allocator, pool); -\endcode - -\section custom_memory_pools_MemTypeIndex Choosing memory type index - -When creating a pool, you must explicitly specify memory type index. -To find the one suitable for your buffers or images, you can use helper functions -vmaFindMemoryTypeIndexForBufferInfo(), vmaFindMemoryTypeIndexForImageInfo(). -You need to provide structures with example parameters of buffers or images -that you are going to create in that pool. - -\code -VkBufferCreateInfo exampleBufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -exampleBufCreateInfo.size = 1024; // Whatever. -exampleBufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; // Change if needed. - -VmaAllocationCreateInfo allocCreateInfo = {}; -allocCreateInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; // Change if needed. - -uint32_t memTypeIndex; -vmaFindMemoryTypeIndexForBufferInfo(allocator, &exampleBufCreateInfo, &allocCreateInfo, &memTypeIndex); - -VmaPoolCreateInfo poolCreateInfo = {}; -poolCreateInfo.memoryTypeIndex = memTypeIndex; -// ... -\endcode - -When creating buffers/images allocated in that pool, provide following parameters: - -- `VkBufferCreateInfo`: Prefer to pass same parameters as above. - Otherwise you risk creating resources in a memory type that is not suitable for them, which may result in undefined behavior. - Using different `VK_BUFFER_USAGE_` flags may work, but you shouldn't create images in a pool intended for buffers - or the other way around. -- VmaAllocationCreateInfo: You don't need to pass same parameters. Fill only `pool` member. - Other members are ignored anyway. - -\section linear_algorithm Linear allocation algorithm - -Each Vulkan memory block managed by this library has accompanying metadata that -keeps track of used and unused regions. By default, the metadata structure and -algorithm tries to find best place for new allocations among free regions to -optimize memory usage. This way you can allocate and free objects in any order. - - - -Sometimes there is a need to use simpler, linear allocation algorithm. You can -create custom pool that uses such algorithm by adding flag -#VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT to VmaPoolCreateInfo::flags while creating -#VmaPool object. Then an alternative metadata management is used. It always -creates new allocations after last one and doesn't reuse free regions after -allocations freed in the middle. It results in better allocation performance and -less memory consumed by metadata. - - - -With this one flag, you can create a custom pool that can be used in many ways: -free-at-once, stack, double stack, and ring buffer. See below for details. - -\subsection linear_algorithm_free_at_once Free-at-once - -In a pool that uses linear algorithm, you still need to free all the allocations -individually, e.g. by using vmaFreeMemory() or vmaDestroyBuffer(). You can free -them in any order. New allocations are always made after last one - free space -in the middle is not reused. However, when you release all the allocation and -the pool becomes empty, allocation starts from the beginning again. This way you -can use linear algorithm to speed up creation of allocations that you are going -to release all at once. - - - -This mode is also available for pools created with VmaPoolCreateInfo::maxBlockCount -value that allows multiple memory blocks. - -\subsection linear_algorithm_stack Stack - -When you free an allocation that was created last, its space can be reused. -Thanks to this, if you always release allocations in the order opposite to their -creation (LIFO - Last In First Out), you can achieve behavior of a stack. - - - -This mode is also available for pools created with VmaPoolCreateInfo::maxBlockCount -value that allows multiple memory blocks. - -\subsection linear_algorithm_double_stack Double stack - -The space reserved by a custom pool with linear algorithm may be used by two -stacks: - -- First, default one, growing up from offset 0. -- Second, "upper" one, growing down from the end towards lower offsets. - -To make allocation from upper stack, add flag #VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT -to VmaAllocationCreateInfo::flags. - - - -Double stack is available only in pools with one memory block - -VmaPoolCreateInfo::maxBlockCount must be 1. Otherwise behavior is undefined. - -When the two stacks' ends meet so there is not enough space between them for a -new allocation, such allocation fails with usual -`VK_ERROR_OUT_OF_DEVICE_MEMORY` error. - -\subsection linear_algorithm_ring_buffer Ring buffer - -When you free some allocations from the beginning and there is not enough free space -for a new one at the end of a pool, allocator's "cursor" wraps around to the -beginning and starts allocation there. Thanks to this, if you always release -allocations in the same order as you created them (FIFO - First In First Out), -you can achieve behavior of a ring buffer / queue. - - - -Pools with linear algorithm support [lost allocations](@ref lost_allocations) when used as ring buffer. -If there is not enough free space for a new allocation, but existing allocations -from the front of the queue can become lost, they become lost and the allocation -succeeds. - - - -Ring buffer is available only in pools with one memory block - -VmaPoolCreateInfo::maxBlockCount must be 1. Otherwise behavior is undefined. - -\section buddy_algorithm Buddy allocation algorithm - -There is another allocation algorithm that can be used with custom pools, called -"buddy". Its internal data structure is based on a tree of blocks, each having -size that is a power of two and a half of its parent's size. When you want to -allocate memory of certain size, a free node in the tree is located. If it's too -large, it is recursively split into two halves (called "buddies"). However, if -requested allocation size is not a power of two, the size of a tree node is -aligned up to the nearest power of two and the remaining space is wasted. When -two buddy nodes become free, they are merged back into one larger node. - - + /** No intended memory usage specified. + Use other members of VmaAllocationCreateInfo to specify your requirements. + */ + VMA_MEMORY_USAGE_UNKNOWN = 0, + /** + \deprecated Obsolete, preserved for backward compatibility. + Prefers `VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT`. + */ + VMA_MEMORY_USAGE_GPU_ONLY = 1, + /** + \deprecated Obsolete, preserved for backward compatibility. + Guarantees `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` and `VK_MEMORY_PROPERTY_HOST_COHERENT_BIT`. + */ + VMA_MEMORY_USAGE_CPU_ONLY = 2, + /** + \deprecated Obsolete, preserved for backward compatibility. + Guarantees `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT`, prefers `VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT`. + */ + VMA_MEMORY_USAGE_CPU_TO_GPU = 3, + /** + \deprecated Obsolete, preserved for backward compatibility. + Guarantees `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT`, prefers `VK_MEMORY_PROPERTY_HOST_CACHED_BIT`. + */ + VMA_MEMORY_USAGE_GPU_TO_CPU = 4, + /** + \deprecated Obsolete, preserved for backward compatibility. + Prefers not `VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT`. + */ + VMA_MEMORY_USAGE_CPU_COPY = 5, + /** + Lazily allocated GPU memory having `VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT`. + Exists mostly on mobile platforms. Using it on desktop PC or other GPUs with no such memory type present will fail the allocation. -The advantage of buddy allocation algorithm over default algorithm is faster -allocation and deallocation, as well as smaller external fragmentation. The -disadvantage is more wasted space (internal fragmentation). + Usage: Memory for transient attachment images (color attachments, depth attachments etc.), created with `VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT`. -For more information, please read ["Buddy memory allocation" on Wikipedia](https://en.wikipedia.org/wiki/Buddy_memory_allocation) -or other sources that describe this concept in general. + Allocations with this usage are always created as dedicated - it implies #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + */ + VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED = 6, + /** + Selects best memory type automatically. + This flag is recommended for most common use cases. -To use buddy allocation algorithm with a custom pool, add flag -#VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT to VmaPoolCreateInfo::flags while creating -#VmaPool object. + When using this flag, if you want to map the allocation (using vmaMapMemory() or #VMA_ALLOCATION_CREATE_MAPPED_BIT), + you must pass one of the flags: #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or #VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT + in VmaAllocationCreateInfo::flags. + + It can be used only with functions that let the library know `VkBufferCreateInfo` or `VkImageCreateInfo`, e.g. + vmaCreateBuffer(), vmaCreateImage(), vmaFindMemoryTypeIndexForBufferInfo(), vmaFindMemoryTypeIndexForImageInfo() + and not with generic memory allocation functions. + */ + VMA_MEMORY_USAGE_AUTO = 7, + /** + Selects best memory type automatically with preference for GPU (device) memory. -Several limitations apply to pools that use buddy algorithm: + When using this flag, if you want to map the allocation (using vmaMapMemory() or #VMA_ALLOCATION_CREATE_MAPPED_BIT), + you must pass one of the flags: #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or #VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT + in VmaAllocationCreateInfo::flags. -- It is recommended to use VmaPoolCreateInfo::blockSize that is a power of two. - Otherwise, only largest power of two smaller than the size is used for - allocations. The remaining space always stays unused. -- [Margins](@ref debugging_memory_usage_margins) and - [corruption detection](@ref debugging_memory_usage_corruption_detection) - don't work in such pools. -- [Lost allocations](@ref lost_allocations) don't work in such pools. You can - use them, but they never become lost. Support may be added in the future. -- [Defragmentation](@ref defragmentation) doesn't work with allocations made from - such pool. + It can be used only with functions that let the library know `VkBufferCreateInfo` or `VkImageCreateInfo`, e.g. + vmaCreateBuffer(), vmaCreateImage(), vmaFindMemoryTypeIndexForBufferInfo(), vmaFindMemoryTypeIndexForImageInfo() + and not with generic memory allocation functions. + */ + VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE = 8, + /** + Selects best memory type automatically with preference for CPU (host) memory. -\page defragmentation Defragmentation + When using this flag, if you want to map the allocation (using vmaMapMemory() or #VMA_ALLOCATION_CREATE_MAPPED_BIT), + you must pass one of the flags: #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or #VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT + in VmaAllocationCreateInfo::flags. -Interleaved allocations and deallocations of many objects of varying size can -cause fragmentation over time, which can lead to a situation where the library is unable -to find a continuous range of free memory for a new allocation despite there is -enough free space, just scattered across many small free ranges between existing -allocations. + It can be used only with functions that let the library know `VkBufferCreateInfo` or `VkImageCreateInfo`, e.g. + vmaCreateBuffer(), vmaCreateImage(), vmaFindMemoryTypeIndexForBufferInfo(), vmaFindMemoryTypeIndexForImageInfo() + and not with generic memory allocation functions. + */ + VMA_MEMORY_USAGE_AUTO_PREFER_HOST = 9, -To mitigate this problem, you can use defragmentation feature: -structure #VmaDefragmentationInfo2, function vmaDefragmentationBegin(), vmaDefragmentationEnd(). -Given set of allocations, -this function can move them to compact used memory, ensure more continuous free -space and possibly also free some `VkDeviceMemory` blocks. + VMA_MEMORY_USAGE_MAX_ENUM = 0x7FFFFFFF +} VmaMemoryUsage; -What the defragmentation does is: +/// Flags to be passed as VmaAllocationCreateInfo::flags. +typedef enum VmaAllocationCreateFlagBits +{ + /** \brief Set this flag if the allocation should have its own memory block. -- Updates #VmaAllocation objects to point to new `VkDeviceMemory` and offset. - After allocation has been moved, its VmaAllocationInfo::deviceMemory and/or - VmaAllocationInfo::offset changes. You must query them again using - vmaGetAllocationInfo() if you need them. -- Moves actual data in memory. + Use it for special, big resources, like fullscreen images used as attachments. + */ + VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT = 0x00000001, -What it doesn't do, so you need to do it yourself: + /** \brief Set this flag to only try to allocate from existing `VkDeviceMemory` blocks and never create new such block. -- Recreate buffers and images that were bound to allocations that were defragmented and - bind them with their new places in memory. - You must use `vkDestroyBuffer()`, `vkDestroyImage()`, - `vkCreateBuffer()`, `vkCreateImage()`, vmaBindBufferMemory(), vmaBindImageMemory() - for that purpose and NOT vmaDestroyBuffer(), - vmaDestroyImage(), vmaCreateBuffer(), vmaCreateImage(), because you don't need to - destroy or create allocation objects! -- Recreate views and update descriptors that point to these buffers and images. + If new allocation cannot be placed in any of the existing blocks, allocation + fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY` error. -\section defragmentation_cpu Defragmenting CPU memory + You should not use #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT and + #VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT at the same time. It makes no sense. + */ + VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT = 0x00000002, + /** \brief Set this flag to use a memory that will be persistently mapped and retrieve pointer to it. -Following example demonstrates how you can run defragmentation on CPU. -Only allocations created in memory types that are `HOST_VISIBLE` can be defragmented. -Others are ignored. + Pointer to mapped memory will be returned through VmaAllocationInfo::pMappedData. -The way it works is: + It is valid to use this flag for allocation made from memory type that is not + `HOST_VISIBLE`. This flag is then ignored and memory is not mapped. This is + useful if you need an allocation that is efficient to use on GPU + (`DEVICE_LOCAL`) and still want to map it directly if possible on platforms that + support it (e.g. Intel GPU). + */ + VMA_ALLOCATION_CREATE_MAPPED_BIT = 0x00000004, + /** \deprecated Preserved for backward compatibility. Consider using vmaSetAllocationName() instead. + + Set this flag to treat VmaAllocationCreateInfo::pUserData as pointer to a + null-terminated string. Instead of copying pointer value, a local copy of the + string is made and stored in allocation's `pName`. The string is automatically + freed together with the allocation. It is also used in vmaBuildStatsString(). + */ + VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT = 0x00000020, + /** Allocation will be created from upper stack in a double stack pool. -- It temporarily maps entire memory blocks when necessary. -- It moves data using `memmove()` function. + This flag is only allowed for custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT flag. + */ + VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT = 0x00000040, + /** Create both buffer/image and allocation, but don't bind them together. + It is useful when you want to bind yourself to do some more advanced binding, e.g. using some extensions. + The flag is meaningful only with functions that bind by default: vmaCreateBuffer(), vmaCreateImage(). + Otherwise it is ignored. -\code -// Given following variables already initialized: -VkDevice device; -VmaAllocator allocator; -std::vector<VkBuffer> buffers; -std::vector<VmaAllocation> allocations; + If you want to make sure the new buffer/image is not tied to the new memory allocation + through `VkMemoryDedicatedAllocateInfoKHR` structure in case the allocation ends up in its own memory block, + use also flag #VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT. + */ + VMA_ALLOCATION_CREATE_DONT_BIND_BIT = 0x00000080, + /** Create allocation only if additional device memory required for it, if any, won't exceed + memory budget. Otherwise return `VK_ERROR_OUT_OF_DEVICE_MEMORY`. + */ + VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT = 0x00000100, + /** \brief Set this flag if the allocated memory will have aliasing resources. + + Usage of this flag prevents supplying `VkMemoryDedicatedAllocateInfoKHR` when #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT is specified. + Otherwise created dedicated memory will not be suitable for aliasing resources, resulting in Vulkan Validation Layer errors. + */ + VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT = 0x00000200, + /** + Requests possibility to map the allocation (using vmaMapMemory() or #VMA_ALLOCATION_CREATE_MAPPED_BIT). + + - If you use #VMA_MEMORY_USAGE_AUTO or other `VMA_MEMORY_USAGE_AUTO*` value, + you must use this flag to be able to map the allocation. Otherwise, mapping is incorrect. + - If you use other value of #VmaMemoryUsage, this flag is ignored and mapping is always possible in memory types that are `HOST_VISIBLE`. + This includes allocations created in \ref custom_memory_pools. + Declares that mapped memory will only be written sequentially, e.g. using `memcpy()` or a loop writing number-by-number, + never read or accessed randomly, so a memory type can be selected that is uncached and write-combined. -const uint32_t allocCount = (uint32_t)allocations.size(); -std::vector<VkBool32> allocationsChanged(allocCount); + \warning Violating this declaration may work correctly, but will likely be very slow. + Watch out for implicit reads introduced by doing e.g. `pMappedData[i] += x;` + Better prepare your data in a local variable and `memcpy()` it to the mapped pointer all at once. + */ + VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT = 0x00000400, + /** + Requests possibility to map the allocation (using vmaMapMemory() or #VMA_ALLOCATION_CREATE_MAPPED_BIT). + + - If you use #VMA_MEMORY_USAGE_AUTO or other `VMA_MEMORY_USAGE_AUTO*` value, + you must use this flag to be able to map the allocation. Otherwise, mapping is incorrect. + - If you use other value of #VmaMemoryUsage, this flag is ignored and mapping is always possible in memory types that are `HOST_VISIBLE`. + This includes allocations created in \ref custom_memory_pools. -VmaDefragmentationInfo2 defragInfo = {}; -defragInfo.allocationCount = allocCount; -defragInfo.pAllocations = allocations.data(); -defragInfo.pAllocationsChanged = allocationsChanged.data(); -defragInfo.maxCpuBytesToMove = VK_WHOLE_SIZE; // No limit. -defragInfo.maxCpuAllocationsToMove = UINT32_MAX; // No limit. + Declares that mapped memory can be read, written, and accessed in random order, + so a `HOST_CACHED` memory type is required. + */ + VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT = 0x00000800, + /** + Together with #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or #VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT, + it says that despite request for host access, a not-`HOST_VISIBLE` memory type can be selected + if it may improve performance. + + By using this flag, you declare that you will check if the allocation ended up in a `HOST_VISIBLE` memory type + (e.g. using vmaGetAllocationMemoryProperties()) and if not, you will create some "staging" buffer and + issue an explicit transfer to write/read your data. + To prepare for this possibility, don't forget to add appropriate flags like + `VK_BUFFER_USAGE_TRANSFER_DST_BIT`, `VK_BUFFER_USAGE_TRANSFER_SRC_BIT` to the parameters of created buffer or image. + */ + VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT = 0x00001000, + /** Allocation strategy that chooses smallest possible free range for the allocation + to minimize memory usage and fragmentation, possibly at the expense of allocation time. + */ + VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = 0x00010000, + /** Allocation strategy that chooses first suitable free range for the allocation - + not necessarily in terms of the smallest offset but the one that is easiest and fastest to find + to minimize allocation time, possibly at the expense of allocation quality. + */ + VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = 0x00020000, + /** Allocation strategy that chooses always the lowest offset in available space. + This is not the most efficient strategy but achieves highly packed data. + Used internally by defragmentation, not recomended in typical usage. + */ + VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT = 0x00040000, + /** Alias to #VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT. + */ + VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT, + /** Alias to #VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT. + */ + VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT, + /** A bit mask to extract only `STRATEGY` bits from entire set of flags. + */ + VMA_ALLOCATION_CREATE_STRATEGY_MASK = + VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT | + VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT | + VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT, -VmaDefragmentationContext defragCtx; -vmaDefragmentationBegin(allocator, &defragInfo, nullptr, &defragCtx); -vmaDefragmentationEnd(allocator, defragCtx); + VMA_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaAllocationCreateFlagBits; +/// See #VmaAllocationCreateFlagBits. +typedef VkFlags VmaAllocationCreateFlags; -for(uint32_t i = 0; i < allocCount; ++i) +/// Flags to be passed as VmaPoolCreateInfo::flags. +typedef enum VmaPoolCreateFlagBits { - if(allocationsChanged[i]) - { - // Destroy buffer that is immutably bound to memory region which is no longer valid. - vkDestroyBuffer(device, buffers[i], nullptr); - - // Create new buffer with same parameters. - VkBufferCreateInfo bufferInfo = ...; - vkCreateBuffer(device, &bufferInfo, nullptr, &buffers[i]); - - // You can make dummy call to vkGetBufferMemoryRequirements here to silence validation layer warning. - - // Bind new buffer to new memory region. Data contained in it is already moved. - VmaAllocationInfo allocInfo; - vmaGetAllocationInfo(allocator, allocations[i], &allocInfo); - vmaBindBufferMemory(allocator, allocations[i], buffers[i]); - } -} -\endcode - -Setting VmaDefragmentationInfo2::pAllocationsChanged is optional. -This output array tells whether particular allocation in VmaDefragmentationInfo2::pAllocations at the same index -has been modified during defragmentation. -You can pass null, but you then need to query every allocation passed to defragmentation -for new parameters using vmaGetAllocationInfo() if you might need to recreate and rebind a buffer or image associated with it. - -If you use [Custom memory pools](@ref choosing_memory_type_custom_memory_pools), -you can fill VmaDefragmentationInfo2::poolCount and VmaDefragmentationInfo2::pPools -instead of VmaDefragmentationInfo2::allocationCount and VmaDefragmentationInfo2::pAllocations -to defragment all allocations in given pools. -You cannot use VmaDefragmentationInfo2::pAllocationsChanged in that case. -You can also combine both methods. - -\section defragmentation_gpu Defragmenting GPU memory - -It is also possible to defragment allocations created in memory types that are not `HOST_VISIBLE`. -To do that, you need to pass a command buffer that meets requirements as described in -VmaDefragmentationInfo2::commandBuffer. The way it works is: - -- It creates temporary buffers and binds them to entire memory blocks when necessary. -- It issues `vkCmdCopyBuffer()` to passed command buffer. - -Example: - -\code -// Given following variables already initialized: -VkDevice device; -VmaAllocator allocator; -VkCommandBuffer commandBuffer; -std::vector<VkBuffer> buffers; -std::vector<VmaAllocation> allocations; + /** \brief Use this flag if you always allocate only buffers and linear images or only optimal images out of this pool and so Buffer-Image Granularity can be ignored. + This is an optional optimization flag. -const uint32_t allocCount = (uint32_t)allocations.size(); -std::vector<VkBool32> allocationsChanged(allocCount); + If you always allocate using vmaCreateBuffer(), vmaCreateImage(), + vmaAllocateMemoryForBuffer(), then you don't need to use it because allocator + knows exact type of your allocations so it can handle Buffer-Image Granularity + in the optimal way. -VkCommandBufferBeginInfo cmdBufBeginInfo = ...; -vkBeginCommandBuffer(commandBuffer, &cmdBufBeginInfo); + If you also allocate using vmaAllocateMemoryForImage() or vmaAllocateMemory(), + exact type of such allocations is not known, so allocator must be conservative + in handling Buffer-Image Granularity, which can lead to suboptimal allocation + (wasted memory). In that case, if you can make sure you always allocate only + buffers and linear images or only optimal images out of this pool, use this flag + to make allocator disregard Buffer-Image Granularity and so make allocations + faster and more optimal. + */ + VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT = 0x00000002, -VmaDefragmentationInfo2 defragInfo = {}; -defragInfo.allocationCount = allocCount; -defragInfo.pAllocations = allocations.data(); -defragInfo.pAllocationsChanged = allocationsChanged.data(); -defragInfo.maxGpuBytesToMove = VK_WHOLE_SIZE; // Notice it's "GPU" this time. -defragInfo.maxGpuAllocationsToMove = UINT32_MAX; // Notice it's "GPU" this time. -defragInfo.commandBuffer = commandBuffer; + /** \brief Enables alternative, linear allocation algorithm in this pool. -VmaDefragmentationContext defragCtx; -vmaDefragmentationBegin(allocator, &defragInfo, nullptr, &defragCtx); + Specify this flag to enable linear allocation algorithm, which always creates + new allocations after last one and doesn't reuse space from allocations freed in + between. It trades memory consumption for simplified algorithm and data + structure, which has better performance and uses less memory for metadata. -vkEndCommandBuffer(commandBuffer); + By using this flag, you can achieve behavior of free-at-once, stack, + ring buffer, and double stack. + For details, see documentation chapter \ref linear_algorithm. + */ + VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT = 0x00000004, -// Submit commandBuffer. -// Wait for a fence that ensures commandBuffer execution finished. + /** Bit mask to extract only `ALGORITHM` bits from entire set of flags. + */ + VMA_POOL_CREATE_ALGORITHM_MASK = + VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT, -vmaDefragmentationEnd(allocator, defragCtx); + VMA_POOL_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaPoolCreateFlagBits; +/// Flags to be passed as VmaPoolCreateInfo::flags. See #VmaPoolCreateFlagBits. +typedef VkFlags VmaPoolCreateFlags; -for(uint32_t i = 0; i < allocCount; ++i) +/// Flags to be passed as VmaDefragmentationInfo::flags. +typedef enum VmaDefragmentationFlagBits { - if(allocationsChanged[i]) - { - // Destroy buffer that is immutably bound to memory region which is no longer valid. - vkDestroyBuffer(device, buffers[i], nullptr); - - // Create new buffer with same parameters. - VkBufferCreateInfo bufferInfo = ...; - vkCreateBuffer(device, &bufferInfo, nullptr, &buffers[i]); - - // You can make dummy call to vkGetBufferMemoryRequirements here to silence validation layer warning. - - // Bind new buffer to new memory region. Data contained in it is already moved. - VmaAllocationInfo allocInfo; - vmaGetAllocationInfo(allocator, allocations[i], &allocInfo); - vmaBindBufferMemory(allocator, allocations[i], buffers[i]); - } -} -\endcode - -You can combine these two methods by specifying non-zero `maxGpu*` as well as `maxCpu*` parameters. -The library automatically chooses best method to defragment each memory pool. - -You may try not to block your entire program to wait until defragmentation finishes, -but do it in the background, as long as you carefully fullfill requirements described -in function vmaDefragmentationBegin(). - -\section defragmentation_additional_notes Additional notes - -It is only legal to defragment allocations bound to: - -- buffers -- images created with `VK_IMAGE_CREATE_ALIAS_BIT`, `VK_IMAGE_TILING_LINEAR`, and - being currently in `VK_IMAGE_LAYOUT_GENERAL` or `VK_IMAGE_LAYOUT_PREINITIALIZED`. - -Defragmentation of images created with `VK_IMAGE_TILING_OPTIMAL` or in any other -layout may give undefined results. - -If you defragment allocations bound to images, new images to be bound to new -memory region after defragmentation should be created with `VK_IMAGE_LAYOUT_PREINITIALIZED` -and then transitioned to their original layout from before defragmentation if -needed using an image memory barrier. - -While using defragmentation, you may experience validation layer warnings, which you just need to ignore. -See [Validation layer warnings](@ref general_considerations_validation_layer_warnings). - -Please don't expect memory to be fully compacted after defragmentation. -Algorithms inside are based on some heuristics that try to maximize number of Vulkan -memory blocks to make totally empty to release them, as well as to maximimze continuous -empty space inside remaining blocks, while minimizing the number and size of allocations that -need to be moved. Some fragmentation may still remain - this is normal. - -\section defragmentation_custom_algorithm Writing custom defragmentation algorithm - -If you want to implement your own, custom defragmentation algorithm, -there is infrastructure prepared for that, -but it is not exposed through the library API - you need to hack its source code. -Here are steps needed to do this: - --# Main thing you need to do is to define your own class derived from base abstract - class `VmaDefragmentationAlgorithm` and implement your version of its pure virtual methods. - See definition and comments of this class for details. --# Your code needs to interact with device memory block metadata. - If you need more access to its data than it's provided by its public interface, - declare your new class as a friend class e.g. in class `VmaBlockMetadata_Generic`. --# If you want to create a flag that would enable your algorithm or pass some additional - flags to configure it, add them to `VmaDefragmentationFlagBits` and use them in - VmaDefragmentationInfo2::flags. --# Modify function `VmaBlockVectorDefragmentationContext::Begin` to create object - of your new class whenever needed. - - -\page lost_allocations Lost allocations - -If your game oversubscribes video memory, if may work OK in previous-generation -graphics APIs (DirectX 9, 10, 11, OpenGL) because resources are automatically -paged to system RAM. In Vulkan you can't do it because when you run out of -memory, an allocation just fails. If you have more data (e.g. textures) that can -fit into VRAM and you don't need it all at once, you may want to upload them to -GPU on demand and "push out" ones that are not used for a long time to make room -for the new ones, effectively using VRAM (or a cartain memory pool) as a form of -cache. Vulkan Memory Allocator can help you with that by supporting a concept of -"lost allocations". - -To create an allocation that can become lost, include #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT -flag in VmaAllocationCreateInfo::flags. Before using a buffer or image bound to -such allocation in every new frame, you need to query it if it's not lost. -To check it, call vmaTouchAllocation(). -If the allocation is lost, you should not use it or buffer/image bound to it. -You mustn't forget to destroy this allocation and this buffer/image. -vmaGetAllocationInfo() can also be used for checking status of the allocation. -Allocation is lost when returned VmaAllocationInfo::deviceMemory == `VK_NULL_HANDLE`. - -To create an allocation that can make some other allocations lost to make room -for it, use #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flag. You will -usually use both flags #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT and -#VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT at the same time. - -Warning! Current implementation uses quite naive, brute force algorithm, -which can make allocation calls that use #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT -flag quite slow. A new, more optimal algorithm and data structure to speed this -up is planned for the future. - -<b>Q: When interleaving creation of new allocations with usage of existing ones, -how do you make sure that an allocation won't become lost while it's used in the -current frame?</b> - -It is ensured because vmaTouchAllocation() / vmaGetAllocationInfo() not only returns allocation -status/parameters and checks whether it's not lost, but when it's not, it also -atomically marks it as used in the current frame, which makes it impossible to -become lost in that frame. It uses lockless algorithm, so it works fast and -doesn't involve locking any internal mutex. - -<b>Q: What if my allocation may still be in use by the GPU when it's rendering a -previous frame while I already submit new frame on the CPU?</b> - -You can make sure that allocations "touched" by vmaTouchAllocation() / vmaGetAllocationInfo() will not -become lost for a number of additional frames back from the current one by -specifying this number as VmaAllocatorCreateInfo::frameInUseCount (for default -memory pool) and VmaPoolCreateInfo::frameInUseCount (for custom pool). - -<b>Q: How do you inform the library when new frame starts?</b> - -You need to call function vmaSetCurrentFrameIndex(). - -Example code: + /* \brief Use simple but fast algorithm for defragmentation. + May not achieve best results but will require least time to compute and least allocations to copy. + */ + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT = 0x1, + /* \brief Default defragmentation algorithm, applied also when no `ALGORITHM` flag is specified. + Offers a balance between defragmentation quality and the amount of allocations and bytes that need to be moved. + */ + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_BALANCED_BIT = 0x2, + /* \brief Perform full defragmentation of memory. + Can result in notably more time to compute and allocations to copy, but will achieve best memory packing. + */ + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FULL_BIT = 0x4, + /** \brief Use the most roboust algorithm at the cost of time to compute and number of copies to make. + Only available when bufferImageGranularity is greater than 1, since it aims to reduce + alignment issues between different types of resources. + Otherwise falls back to same behavior as #VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FULL_BIT. + */ + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_EXTENSIVE_BIT = 0x8, -\code -struct MyBuffer -{ - VkBuffer m_Buf = nullptr; - VmaAllocation m_Alloc = nullptr; + /// A bit mask to extract only `ALGORITHM` bits from entire set of flags. + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_MASK = + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT | + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_BALANCED_BIT | + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FULL_BIT | + VMA_DEFRAGMENTATION_FLAG_ALGORITHM_EXTENSIVE_BIT, - // Called when the buffer is really needed in the current frame. - void EnsureBuffer(); -}; + VMA_DEFRAGMENTATION_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaDefragmentationFlagBits; +/// See #VmaDefragmentationFlagBits. +typedef VkFlags VmaDefragmentationFlags; -void MyBuffer::EnsureBuffer() +/// Operation performed on single defragmentation move. See structure #VmaDefragmentationMove. +typedef enum VmaDefragmentationMoveOperation { - // Buffer has been created. - if(m_Buf != VK_NULL_HANDLE) - { - // Check if its allocation is not lost + mark it as used in current frame. - if(vmaTouchAllocation(allocator, m_Alloc)) - { - // It's all OK - safe to use m_Buf. - return; - } - } - - // Buffer not yet exists or lost - destroy and recreate it. - - vmaDestroyBuffer(allocator, m_Buf, m_Alloc); - - VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; - bufCreateInfo.size = 1024; - bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; - - VmaAllocationCreateInfo allocCreateInfo = {}; - allocCreateInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; - allocCreateInfo.flags = VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT | - VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT; - - vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &m_Buf, &m_Alloc, nullptr); -} -\endcode - -When using lost allocations, you may see some Vulkan validation layer warnings -about overlapping regions of memory bound to different kinds of buffers and -images. This is still valid as long as you implement proper handling of lost -allocations (like in the example above) and don't use them. - -You can create an allocation that is already in lost state from the beginning using function -vmaCreateLostAllocation(). It may be useful if you need a "dummy" allocation that is not null. - -You can call function vmaMakePoolAllocationsLost() to set all eligible allocations -in a specified custom pool to lost state. -Allocations that have been "touched" in current frame or VmaPoolCreateInfo::frameInUseCount frames back -cannot become lost. - -<b>Q: Can I touch allocation that cannot become lost?</b> - -Yes, although it has no visible effect. -Calls to vmaGetAllocationInfo() and vmaTouchAllocation() update last use frame index -also for allocations that cannot become lost, but the only way to observe it is to dump -internal allocator state using vmaBuildStatsString(). -You can use this feature for debugging purposes to explicitly mark allocations that you use -in current frame and then analyze JSON dump to see for how long each allocation stays unused. - - -\page statistics Statistics - -This library contains functions that return information about its internal state, -especially the amount of memory allocated from Vulkan. -Please keep in mind that these functions need to traverse all internal data structures -to gather these information, so they may be quite time-consuming. -Don't call them too often. - -\section statistics_numeric_statistics Numeric statistics - -You can query for overall statistics of the allocator using function vmaCalculateStats(). -Information are returned using structure #VmaStats. -It contains #VmaStatInfo - number of allocated blocks, number of allocations -(occupied ranges in these blocks), number of unused (free) ranges in these blocks, -number of bytes used and unused (but still allocated from Vulkan) and other information. -They are summed across memory heaps, memory types and total for whole allocator. - -You can query for statistics of a custom pool using function vmaGetPoolStats(). -Information are returned using structure #VmaPoolStats. - -You can query for information about specific allocation using function vmaGetAllocationInfo(). -It fill structure #VmaAllocationInfo. - -\section statistics_json_dump JSON dump - -You can dump internal state of the allocator to a string in JSON format using function vmaBuildStatsString(). -The result is guaranteed to be correct JSON. -It uses ANSI encoding. -Any strings provided by user (see [Allocation names](@ref allocation_names)) -are copied as-is and properly escaped for JSON, so if they use UTF-8, ISO-8859-2 or any other encoding, -this JSON string can be treated as using this encoding. -It must be freed using function vmaFreeStatsString(). - -The format of this JSON string is not part of official documentation of the library, -but it will not change in backward-incompatible way without increasing library major version number -and appropriate mention in changelog. - -The JSON string contains all the data that can be obtained using vmaCalculateStats(). -It can also contain detailed map of allocated memory blocks and their regions - -free and occupied by allocations. -This allows e.g. to visualize the memory or assess fragmentation. - - -\page allocation_annotation Allocation names and user data - -\section allocation_user_data Allocation user data - -You can annotate allocations with your own information, e.g. for debugging purposes. -To do that, fill VmaAllocationCreateInfo::pUserData field when creating -an allocation. It's an opaque `void*` pointer. You can use it e.g. as a pointer, -some handle, index, key, ordinal number or any other value that would associate -the allocation with your custom metadata. - -\code -VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; -// Fill bufferInfo... - -MyBufferMetadata* pMetadata = CreateBufferMetadata(); - -VmaAllocationCreateInfo allocCreateInfo = {}; -allocCreateInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; -allocCreateInfo.pUserData = pMetadata; - -VkBuffer buffer; -VmaAllocation allocation; -vmaCreateBuffer(allocator, &bufferInfo, &allocCreateInfo, &buffer, &allocation, nullptr); -\endcode - -The pointer may be later retrieved as VmaAllocationInfo::pUserData: - -\code -VmaAllocationInfo allocInfo; -vmaGetAllocationInfo(allocator, allocation, &allocInfo); -MyBufferMetadata* pMetadata = (MyBufferMetadata*)allocInfo.pUserData; -\endcode - -It can also be changed using function vmaSetAllocationUserData(). - -Values of (non-zero) allocations' `pUserData` are printed in JSON report created by -vmaBuildStatsString(), in hexadecimal form. - -\section allocation_names Allocation names - -There is alternative mode available where `pUserData` pointer is used to point to -a null-terminated string, giving a name to the allocation. To use this mode, -set #VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT flag in VmaAllocationCreateInfo::flags. -Then `pUserData` passed as VmaAllocationCreateInfo::pUserData or argument to -vmaSetAllocationUserData() must be either null or pointer to a null-terminated string. -The library creates internal copy of the string, so the pointer you pass doesn't need -to be valid for whole lifetime of the allocation. You can free it after the call. - -\code -VkImageCreateInfo imageInfo = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO }; -// Fill imageInfo... - -std::string imageName = "Texture: "; -imageName += fileName; - -VmaAllocationCreateInfo allocCreateInfo = {}; -allocCreateInfo.usage = VMA_MEMORY_USAGE_GPU_ONLY; -allocCreateInfo.flags = VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT; -allocCreateInfo.pUserData = imageName.c_str(); - -VkImage image; -VmaAllocation allocation; -vmaCreateImage(allocator, &imageInfo, &allocCreateInfo, &image, &allocation, nullptr); -\endcode - -The value of `pUserData` pointer of the allocation will be different than the one -you passed when setting allocation's name - pointing to a buffer managed -internally that holds copy of the string. - -\code -VmaAllocationInfo allocInfo; -vmaGetAllocationInfo(allocator, allocation, &allocInfo); -const char* imageName = (const char*)allocInfo.pUserData; -printf("Image name: %s\n", imageName); -\endcode - -That string is also printed in JSON report created by vmaBuildStatsString(). - - -\page debugging_memory_usage Debugging incorrect memory usage - -If you suspect a bug with memory usage, like usage of uninitialized memory or -memory being overwritten out of bounds of an allocation, -you can use debug features of this library to verify this. - -\section debugging_memory_usage_initialization Memory initialization - -If you experience a bug with incorrect and nondeterministic data in your program and you suspect uninitialized memory to be used, -you can enable automatic memory initialization to verify this. -To do it, define macro `VMA_DEBUG_INITIALIZE_ALLOCATIONS` to 1. - -\code -#define VMA_DEBUG_INITIALIZE_ALLOCATIONS 1 -#include "vk_mem_alloc.h" -\endcode - -It makes memory of all new allocations initialized to bit pattern `0xDCDCDCDC`. -Before an allocation is destroyed, its memory is filled with bit pattern `0xEFEFEFEF`. -Memory is automatically mapped and unmapped if necessary. - -If you find these values while debugging your program, good chances are that you incorrectly -read Vulkan memory that is allocated but not initialized, or already freed, respectively. - -Memory initialization works only with memory types that are `HOST_VISIBLE`. -It works also with dedicated allocations. -It doesn't work with allocations created with #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag, -as they cannot be mapped. - -\section debugging_memory_usage_margins Margins - -By default, allocations are laid out in memory blocks next to each other if possible -(considering required alignment, `bufferImageGranularity`, and `nonCoherentAtomSize`). - - - -Define macro `VMA_DEBUG_MARGIN` to some non-zero value (e.g. 16) to enforce specified -number of bytes as a margin before and after every allocation. - -\code -#define VMA_DEBUG_MARGIN 16 -#include "vk_mem_alloc.h" -\endcode - - - -If your bug goes away after enabling margins, it means it may be caused by memory -being overwritten outside of allocation boundaries. It is not 100% certain though. -Change in application behavior may also be caused by different order and distribution -of allocations across memory blocks after margins are applied. - -The margin is applied also before first and after last allocation in a block. -It may occur only once between two adjacent allocations. - -Margins work with all types of memory. - -Margin is applied only to allocations made out of memory blocks and not to dedicated -allocations, which have their own memory block of specific size. -It is thus not applied to allocations made using #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT flag -or those automatically decided to put into dedicated allocations, e.g. due to its -large size or recommended by VK_KHR_dedicated_allocation extension. -Margins are also not active in custom pools created with #VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT flag. - -Margins appear in [JSON dump](@ref statistics_json_dump) as part of free space. - -Note that enabling margins increases memory usage and fragmentation. - -\section debugging_memory_usage_corruption_detection Corruption detection - -You can additionally define macro `VMA_DEBUG_DETECT_CORRUPTION` to 1 to enable validation -of contents of the margins. - -\code -#define VMA_DEBUG_MARGIN 16 -#define VMA_DEBUG_DETECT_CORRUPTION 1 -#include "vk_mem_alloc.h" -\endcode - -When this feature is enabled, number of bytes specified as `VMA_DEBUG_MARGIN` -(it must be multiply of 4) before and after every allocation is filled with a magic number. -This idea is also know as "canary". -Memory is automatically mapped and unmapped if necessary. - -This number is validated automatically when the allocation is destroyed. -If it's not equal to the expected value, `VMA_ASSERT()` is executed. -It clearly means that either CPU or GPU overwritten the memory outside of boundaries of the allocation, -which indicates a serious bug. - -You can also explicitly request checking margins of all allocations in all memory blocks -that belong to specified memory types by using function vmaCheckCorruption(), -or in memory blocks that belong to specified custom pool, by using function -vmaCheckPoolCorruption(). - -Margin validation (corruption detection) works only for memory types that are -`HOST_VISIBLE` and `HOST_COHERENT`. - - -\page record_and_replay Record and replay - -\section record_and_replay_introduction Introduction - -While using the library, sequence of calls to its functions together with their -parameters can be recorded to a file and later replayed using standalone player -application. It can be useful to: - -- Test correctness - check if same sequence of calls will not cause crash or - failures on a target platform. -- Gather statistics - see number of allocations, peak memory usage, number of - calls etc. -- Benchmark performance - see how much time it takes to replay the whole - sequence. - -\section record_and_replay_usage Usage - -Recording functionality is disabled by default. -To enable it, define following macro before every include of this library: - -\code -#define VMA_RECORDING_ENABLED 1 -\endcode - -<b>To record sequence of calls to a file:</b> Fill in -VmaAllocatorCreateInfo::pRecordSettings member while creating #VmaAllocator -object. File is opened and written during whole lifetime of the allocator. - -<b>To replay file:</b> Use VmaReplay - standalone command-line program. -Precompiled binary can be found in "bin" directory. -Its source can be found in "src/VmaReplay" directory. -Its project is generated by Premake. -Command line syntax is printed when the program is launched without parameters. -Basic usage: - - VmaReplay.exe MyRecording.csv - -<b>Documentation of file format</b> can be found in file: "docs/Recording file format.md". -It's a human-readable, text file in CSV format (Comma Separated Values). - -\section record_and_replay_additional_considerations Additional considerations - -- Replaying file that was recorded on a different GPU (with different parameters - like `bufferImageGranularity`, `nonCoherentAtomSize`, and especially different - set of memory heaps and types) may give different performance and memory usage - results, as well as issue some warnings and errors. -- Current implementation of recording in VMA, as well as VmaReplay application, is - coded and tested only on Windows. Inclusion of recording code is driven by - `VMA_RECORDING_ENABLED` macro. Support for other platforms should be easy to - add. Contributions are welcomed. - - -\page usage_patterns Recommended usage patterns - -See also slides from talk: -[Sawicki, Adam. Advanced Graphics Techniques Tutorial: Memory management in Vulkan and DX12. Game Developers Conference, 2018](https://www.gdcvault.com/play/1025458/Advanced-Graphics-Techniques-Tutorial-New) - - -\section usage_patterns_common_mistakes Common mistakes - -<b>Use of CPU_TO_GPU instead of CPU_ONLY memory</b> - -#VMA_MEMORY_USAGE_CPU_TO_GPU is recommended only for resources that will be -mapped and written by the CPU, as well as read directly by the GPU - like some -buffers or textures updated every frame (dynamic). If you create a staging copy -of a resource to be written by CPU and then used as a source of transfer to -another resource placed in the GPU memory, that staging resource should be -created with #VMA_MEMORY_USAGE_CPU_ONLY. Please read the descriptions of these -enums carefully for details. - -<b>Unnecessary use of custom pools</b> - -\ref custom_memory_pools may be useful for special purposes - when you want to -keep certain type of resources separate e.g. to reserve minimum amount of memory -for them, limit maximum amount of memory they can occupy, or make some of them -push out the other through the mechanism of \ref lost_allocations. For most -resources this is not needed and so it is not recommended to create #VmaPool -objects and allocations out of them. Allocating from the default pool is sufficient. - -\section usage_patterns_simple Simple patterns - -\subsection usage_patterns_simple_render_targets Render targets - -<b>When:</b> -Any resources that you frequently write and read on GPU, -e.g. images used as color attachments (aka "render targets"), depth-stencil attachments, -images/buffers used as storage image/buffer (aka "Unordered Access View (UAV)"). - -<b>What to do:</b> -Create them in video memory that is fastest to access from GPU using -#VMA_MEMORY_USAGE_GPU_ONLY. - -Consider using [VK_KHR_dedicated_allocation](@ref vk_khr_dedicated_allocation) extension -and/or manually creating them as dedicated allocations using #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT, -especially if they are large or if you plan to destroy and recreate them e.g. when -display resolution changes. -Prefer to create such resources first and all other GPU resources (like textures and vertex buffers) later. - -\subsection usage_patterns_simple_immutable_resources Immutable resources - -<b>When:</b> -Any resources that you fill on CPU only once (aka "immutable") or infrequently -and then read frequently on GPU, -e.g. textures, vertex and index buffers, constant buffers that don't change often. - -<b>What to do:</b> -Create them in video memory that is fastest to access from GPU using -#VMA_MEMORY_USAGE_GPU_ONLY. - -To initialize content of such resource, create a CPU-side (aka "staging") copy of it -in system memory - #VMA_MEMORY_USAGE_CPU_ONLY, map it, fill it, -and submit a transfer from it to the GPU resource. -You can keep the staging copy if you need it for another upload transfer in the future. -If you don't, you can destroy it or reuse this buffer for uploading different resource -after the transfer finishes. - -Prefer to create just buffers in system memory rather than images, even for uploading textures. -Use `vkCmdCopyBufferToImage()`. -Dont use images with `VK_IMAGE_TILING_LINEAR`. - -\subsection usage_patterns_dynamic_resources Dynamic resources - -<b>When:</b> -Any resources that change frequently (aka "dynamic"), e.g. every frame or every draw call, -written on CPU, read on GPU. - -<b>What to do:</b> -Create them using #VMA_MEMORY_USAGE_CPU_TO_GPU. -You can map it and write to it directly on CPU, as well as read from it on GPU. - -This is a more complex situation. Different solutions are possible, -and the best one depends on specific GPU type, but you can use this simple approach for the start. -Prefer to write to such resource sequentially (e.g. using `memcpy`). -Don't perform random access or any reads from it on CPU, as it may be very slow. - -\subsection usage_patterns_readback Readback - -<b>When:</b> -Resources that contain data written by GPU that you want to read back on CPU, -e.g. results of some computations. - -<b>What to do:</b> -Create them using #VMA_MEMORY_USAGE_GPU_TO_CPU. -You can write to them directly on GPU, as well as map and read them on CPU. - -\section usage_patterns_advanced Advanced patterns - -\subsection usage_patterns_integrated_graphics Detecting integrated graphics - -You can support integrated graphics (like Intel HD Graphics, AMD APU) better -by detecting it in Vulkan. -To do it, call `vkGetPhysicalDeviceProperties()`, inspect -`VkPhysicalDeviceProperties::deviceType` and look for `VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU`. -When you find it, you can assume that memory is unified and all memory types are comparably fast -to access from GPU, regardless of `VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT`. - -You can then sum up sizes of all available memory heaps and treat them as useful for -your GPU resources, instead of only `DEVICE_LOCAL` ones. -You can also prefer to create your resources in memory types that are `HOST_VISIBLE` to map them -directly instead of submitting explicit transfer (see below). - -\subsection usage_patterns_direct_vs_transfer Direct access versus transfer - -For resources that you frequently write on CPU and read on GPU, many solutions are possible: - --# Create one copy in video memory using #VMA_MEMORY_USAGE_GPU_ONLY, - second copy in system memory using #VMA_MEMORY_USAGE_CPU_ONLY and submit explicit tranfer each time. --# Create just single copy using #VMA_MEMORY_USAGE_CPU_TO_GPU, map it and fill it on CPU, - read it directly on GPU. --# Create just single copy using #VMA_MEMORY_USAGE_CPU_ONLY, map it and fill it on CPU, - read it directly on GPU. - -Which solution is the most efficient depends on your resource and especially on the GPU. -It is best to measure it and then make the decision. -Some general recommendations: - -- On integrated graphics use (2) or (3) to avoid unnecesary time and memory overhead - related to using a second copy and making transfer. -- For small resources (e.g. constant buffers) use (2). - Discrete AMD cards have special 256 MiB pool of video memory that is directly mappable. - Even if the resource ends up in system memory, its data may be cached on GPU after first - fetch over PCIe bus. -- For larger resources (e.g. textures), decide between (1) and (2). - You may want to differentiate NVIDIA and AMD, e.g. by looking for memory type that is - both `DEVICE_LOCAL` and `HOST_VISIBLE`. When you find it, use (2), otherwise use (1). - -Similarly, for resources that you frequently write on GPU and read on CPU, multiple -solutions are possible: - --# Create one copy in video memory using #VMA_MEMORY_USAGE_GPU_ONLY, - second copy in system memory using #VMA_MEMORY_USAGE_GPU_TO_CPU and submit explicit tranfer each time. --# Create just single copy using #VMA_MEMORY_USAGE_GPU_TO_CPU, write to it directly on GPU, - map it and read it on CPU. - -You should take some measurements to decide which option is faster in case of your specific -resource. - -If you don't want to specialize your code for specific types of GPUs, you can still make -an simple optimization for cases when your resource ends up in mappable memory to use it -directly in this case instead of creating CPU-side staging copy. -For details see [Finding out if memory is mappable](@ref memory_mapping_finding_if_memory_mappable). - - -\page configuration Configuration - -Please check "CONFIGURATION SECTION" in the code to find macros that you can define -before each include of this file or change directly in this file to provide -your own implementation of basic facilities like assert, `min()` and `max()` functions, -mutex, atomic etc. -The library uses its own implementation of containers by default, but you can switch to using -STL containers instead. - -For example, define `VMA_ASSERT(expr)` before including the library to provide -custom implementation of the assertion, compatible with your project. -By default it is defined to standard C `assert(expr)` in `_DEBUG` configuration -and empty otherwise. - -\section config_Vulkan_functions Pointers to Vulkan functions + /// Buffer/image has been recreated at `dstTmpAllocation`, data has been copied, old buffer/image has been destroyed. `srcAllocation` should be changed to point to the new place. This is the default value set by vmaBeginDefragmentationPass(). + VMA_DEFRAGMENTATION_MOVE_OPERATION_COPY = 0, + /// Set this value if you cannot move the allocation. New place reserved at `dstTmpAllocation` will be freed. `srcAllocation` will remain unchanged. + VMA_DEFRAGMENTATION_MOVE_OPERATION_IGNORE = 1, + /// Set this value if you decide to abandon the allocation and you destroyed the buffer/image. New place reserved at `dstTmpAllocation` will be freed, along with `srcAllocation`, which will be destroyed. + VMA_DEFRAGMENTATION_MOVE_OPERATION_DESTROY = 2, +} VmaDefragmentationMoveOperation; -The library uses Vulkan functions straight from the `vulkan.h` header by default. -If you want to provide your own pointers to these functions, e.g. fetched using -`vkGetInstanceProcAddr()` and `vkGetDeviceProcAddr()`: +/** @} */ --# Define `VMA_STATIC_VULKAN_FUNCTIONS 0`. --# Provide valid pointers through VmaAllocatorCreateInfo::pVulkanFunctions. - -\section custom_memory_allocator Custom host memory allocator - -If you use custom allocator for CPU memory rather than default operator `new` -and `delete` from C++, you can make this library using your allocator as well -by filling optional member VmaAllocatorCreateInfo::pAllocationCallbacks. These -functions will be passed to Vulkan, as well as used by the library itself to -make any CPU-side allocations. - -\section allocation_callbacks Device memory allocation callbacks - -The library makes calls to `vkAllocateMemory()` and `vkFreeMemory()` internally. -You can setup callbacks to be informed about these calls, e.g. for the purpose -of gathering some statistics. To do it, fill optional member -VmaAllocatorCreateInfo::pDeviceMemoryCallbacks. - -\section heap_memory_limit Device heap memory limit - -When device memory of certain heap runs out of free space, new allocations may -fail (returning error code) or they may succeed, silently pushing some existing -memory blocks from GPU VRAM to system RAM (which degrades performance). This -behavior is implementation-dependant - it depends on GPU vendor and graphics -driver. - -On AMD cards it can be controlled while creating Vulkan device object by using -VK_AMD_memory_overallocation_behavior extension, if available. - -Alternatively, if you want to test how your program behaves with limited amount of Vulkan device -memory available without switching your graphics card to one that really has -smaller VRAM, you can use a feature of this library intended for this purpose. -To do it, fill optional member VmaAllocatorCreateInfo::pHeapSizeLimit. - - - -\page vk_khr_dedicated_allocation VK_KHR_dedicated_allocation - -VK_KHR_dedicated_allocation is a Vulkan extension which can be used to improve -performance on some GPUs. It augments Vulkan API with possibility to query -driver whether it prefers particular buffer or image to have its own, dedicated -allocation (separate `VkDeviceMemory` block) for better efficiency - to be able -to do some internal optimizations. +/** +\addtogroup group_virtual +@{ +*/ -The extension is supported by this library. It will be used automatically when -enabled. To enable it: +/// Flags to be passed as VmaVirtualBlockCreateInfo::flags. +typedef enum VmaVirtualBlockCreateFlagBits +{ + /** \brief Enables alternative, linear allocation algorithm in this virtual block. -1 . When creating Vulkan device, check if following 2 device extensions are -supported (call `vkEnumerateDeviceExtensionProperties()`). -If yes, enable them (fill `VkDeviceCreateInfo::ppEnabledExtensionNames`). + Specify this flag to enable linear allocation algorithm, which always creates + new allocations after last one and doesn't reuse space from allocations freed in + between. It trades memory consumption for simplified algorithm and data + structure, which has better performance and uses less memory for metadata. -- VK_KHR_get_memory_requirements2 -- VK_KHR_dedicated_allocation + By using this flag, you can achieve behavior of free-at-once, stack, + ring buffer, and double stack. + For details, see documentation chapter \ref linear_algorithm. + */ + VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT = 0x00000001, -If you enabled these extensions: + /** \brief Bit mask to extract only `ALGORITHM` bits from entire set of flags. + */ + VMA_VIRTUAL_BLOCK_CREATE_ALGORITHM_MASK = + VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT, -2 . Use #VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT flag when creating -your #VmaAllocator`to inform the library that you enabled required extensions -and you want the library to use them. + VMA_VIRTUAL_BLOCK_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaVirtualBlockCreateFlagBits; +/// Flags to be passed as VmaVirtualBlockCreateInfo::flags. See #VmaVirtualBlockCreateFlagBits. +typedef VkFlags VmaVirtualBlockCreateFlags; -\code -allocatorInfo.flags |= VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT; +/// Flags to be passed as VmaVirtualAllocationCreateInfo::flags. +typedef enum VmaVirtualAllocationCreateFlagBits +{ + /** \brief Allocation will be created from upper stack in a double stack pool. -vmaCreateAllocator(&allocatorInfo, &allocator); -\endcode + This flag is only allowed for virtual blocks created with #VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT flag. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT = VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT, + /** \brief Allocation strategy that tries to minimize memory usage. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT, + /** \brief Allocation strategy that tries to minimize allocation time. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT, + /** Allocation strategy that chooses always the lowest offset in available space. + This is not the most efficient strategy but achieves highly packed data. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT, + /** \brief A bit mask to extract only `STRATEGY` bits from entire set of flags. -That's all. The extension will be automatically used whenever you create a -buffer using vmaCreateBuffer() or image using vmaCreateImage(). + These strategy flags are binary compatible with equivalent flags in #VmaAllocationCreateFlagBits. + */ + VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK = VMA_ALLOCATION_CREATE_STRATEGY_MASK, -When using the extension together with Vulkan Validation Layer, you will receive -warnings like this: + VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF +} VmaVirtualAllocationCreateFlagBits; +/// Flags to be passed as VmaVirtualAllocationCreateInfo::flags. See #VmaVirtualAllocationCreateFlagBits. +typedef VkFlags VmaVirtualAllocationCreateFlags; - vkBindBufferMemory(): Binding memory to buffer 0x33 but vkGetBufferMemoryRequirements() has not been called on that buffer. +/** @} */ -It is OK, you should just ignore it. It happens because you use function -`vkGetBufferMemoryRequirements2KHR()` instead of standard -`vkGetBufferMemoryRequirements()`, while the validation layer seems to be -unaware of it. +#endif // _VMA_ENUM_DECLARATIONS -To learn more about this extension, see: +#ifndef _VMA_DATA_TYPES_DECLARATIONS -- [VK_KHR_dedicated_allocation in Vulkan specification](https://www.khronos.org/registry/vulkan/specs/1.0-extensions/html/vkspec.html#VK_KHR_dedicated_allocation) -- [VK_KHR_dedicated_allocation unofficial manual](http://asawicki.info/articles/VK_KHR_dedicated_allocation.php5) +/** +\addtogroup group_init +@{ */ +/** \struct VmaAllocator +\brief Represents main object of this library initialized. +Fill structure #VmaAllocatorCreateInfo and call function vmaCreateAllocator() to create it. +Call function vmaDestroyAllocator() to destroy it. -\page general_considerations General considerations +It is recommended to create just one object of this type per `VkDevice` object, +right after Vulkan is initialized and keep it alive until before Vulkan device is destroyed. +*/ +VK_DEFINE_HANDLE(VmaAllocator) -\section general_considerations_thread_safety Thread safety +/** @} */ -- The library has no global state, so separate #VmaAllocator objects can be used - independently. - There should be no need to create multiple such objects though - one per `VkDevice` is enough. -- By default, all calls to functions that take #VmaAllocator as first parameter - are safe to call from multiple threads simultaneously because they are - synchronized internally when needed. -- When the allocator is created with #VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT - flag, calls to functions that take such #VmaAllocator object must be - synchronized externally. -- Access to a #VmaAllocation object must be externally synchronized. For example, - you must not call vmaGetAllocationInfo() and vmaMapMemory() from different - threads at the same time if you pass the same #VmaAllocation object to these - functions. +/** +\addtogroup group_alloc +@{ +*/ -\section general_considerations_validation_layer_warnings Validation layer warnings +/** \struct VmaPool +\brief Represents custom memory pool -When using this library, you can meet following types of warnings issued by -Vulkan validation layer. They don't necessarily indicate a bug, so you may need -to just ignore them. +Fill structure VmaPoolCreateInfo and call function vmaCreatePool() to create it. +Call function vmaDestroyPool() to destroy it. -- *vkBindBufferMemory(): Binding memory to buffer 0xeb8e4 but vkGetBufferMemoryRequirements() has not been called on that buffer.* - - It happens when VK_KHR_dedicated_allocation extension is enabled. - `vkGetBufferMemoryRequirements2KHR` function is used instead, while validation layer seems to be unaware of it. -- *Mapping an image with layout VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL can result in undefined behavior if this memory is used by the device. Only GENERAL or PREINITIALIZED should be used.* - - It happens when you map a buffer or image, because the library maps entire - `VkDeviceMemory` block, where different types of images and buffers may end - up together, especially on GPUs with unified memory like Intel. -- *Non-linear image 0xebc91 is aliased with linear buffer 0xeb8e4 which may indicate a bug.* - - It happens when you use lost allocations, and a new image or buffer is - created in place of an existing object that bacame lost. - - It may happen also when you use [defragmentation](@ref defragmentation). +For more information see [Custom memory pools](@ref choosing_memory_type_custom_memory_pools). +*/ +VK_DEFINE_HANDLE(VmaPool) -\section general_considerations_allocation_algorithm Allocation algorithm +/** \struct VmaAllocation +\brief Represents single memory allocation. -The library uses following algorithm for allocation, in order: +It may be either dedicated block of `VkDeviceMemory` or a specific region of a bigger block of this type +plus unique offset. --# Try to find free range of memory in existing blocks. --# If failed, try to create a new block of `VkDeviceMemory`, with preferred block size. --# If failed, try to create such block with size/2, size/4, size/8. --# If failed and #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flag was - specified, try to find space in existing blocks, possilby making some other - allocations lost. --# If failed, try to allocate separate `VkDeviceMemory` for this allocation, - just like when you use #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. --# If failed, choose other memory type that meets the requirements specified in - VmaAllocationCreateInfo and go to point 1. --# If failed, return `VK_ERROR_OUT_OF_DEVICE_MEMORY`. +There are multiple ways to create such object. +You need to fill structure VmaAllocationCreateInfo. +For more information see [Choosing memory type](@ref choosing_memory_type). -\section general_considerations_features_not_supported Features not supported +Although the library provides convenience functions that create Vulkan buffer or image, +allocate memory for it and bind them together, +binding of the allocation to a buffer or an image is out of scope of the allocation itself. +Allocation object can exist without buffer/image bound, +binding can be done manually by the user, and destruction of it can be done +independently of destruction of the allocation. -Features deliberately excluded from the scope of this library: +The object also remembers its size and some other information. +To retrieve this information, use function vmaGetAllocationInfo() and inspect +returned structure VmaAllocationInfo. +*/ +VK_DEFINE_HANDLE(VmaAllocation) -- Data transfer. Uploading (straming) and downloading data of buffers and images - between CPU and GPU memory and related synchronization is responsibility of the user. - Defining some "texture" object that would automatically stream its data from a - staging copy in CPU memory to GPU memory would rather be a feature of another, - higher-level library implemented on top of VMA. -- Allocations for imported/exported external memory. They tend to require - explicit memory type index and dedicated allocation anyway, so they don't - interact with main features of this library. Such special purpose allocations - should be made manually, using `vkCreateBuffer()` and `vkAllocateMemory()`. -- Recreation of buffers and images. Although the library has functions for - buffer and image creation (vmaCreateBuffer(), vmaCreateImage()), you need to - recreate these objects yourself after defragmentation. That's because the big - structures `VkBufferCreateInfo`, `VkImageCreateInfo` are not stored in - #VmaAllocation object. -- Handling CPU memory allocation failures. When dynamically creating small C++ - objects in CPU memory (not Vulkan memory), allocation failures are not checked - and handled gracefully, because that would complicate code significantly and - is usually not needed in desktop PC applications anyway. -- Code free of any compiler warnings. Maintaining the library to compile and - work correctly on so many different platforms is hard enough. Being free of - any warnings, on any version of any compiler, is simply not feasible. -- This is a C++ library with C interface. - Bindings or ports to any other programming languages are welcomed as external projects and - are not going to be included into this repository. +/** \struct VmaDefragmentationContext +\brief An opaque object that represents started defragmentation process. +Fill structure #VmaDefragmentationInfo and call function vmaBeginDefragmentation() to create it. +Call function vmaEndDefragmentation() to destroy it. */ +VK_DEFINE_HANDLE(VmaDefragmentationContext) -/* -Define this macro to 0/1 to disable/enable support for recording functionality, -available through VmaAllocatorCreateInfo::pRecordSettings. -*/ -#ifndef VMA_RECORDING_ENABLED - #define VMA_RECORDING_ENABLED 0 -#endif +/** @} */ -#ifndef NOMINMAX - #define NOMINMAX // For windows.h -#endif +/** +\addtogroup group_virtual +@{ +*/ -#ifndef VULKAN_H_ - #include <vulkan/vulkan.h> -#endif +/** \struct VmaVirtualAllocation +\brief Represents single memory allocation done inside VmaVirtualBlock. -#if VMA_RECORDING_ENABLED - #include <windows.h> -#endif +Use it as a unique identifier to virtual allocation within the single block. -// Define this macro to declare maximum supported Vulkan version in format AAABBBCCC, -// where AAA = major, BBB = minor, CCC = patch. -// If you want to use version > 1.0, it still needs to be enabled via VmaAllocatorCreateInfo::vulkanApiVersion. -#if !defined(VMA_VULKAN_VERSION) - #if defined(VK_VERSION_1_1) - #define VMA_VULKAN_VERSION 1001000 - #else - #define VMA_VULKAN_VERSION 1000000 - #endif -#endif +Use value `VK_NULL_HANDLE` to represent a null/invalid allocation. +*/ +VK_DEFINE_NON_DISPATCHABLE_HANDLE(VmaVirtualAllocation); -#if !defined(VMA_DEDICATED_ALLOCATION) - #if VK_KHR_get_memory_requirements2 && VK_KHR_dedicated_allocation - #define VMA_DEDICATED_ALLOCATION 1 - #else - #define VMA_DEDICATED_ALLOCATION 0 - #endif -#endif +/** @} */ -#if !defined(VMA_BIND_MEMORY2) - #if VK_KHR_bind_memory2 - #define VMA_BIND_MEMORY2 1 - #else - #define VMA_BIND_MEMORY2 0 - #endif -#endif +/** +\addtogroup group_virtual +@{ +*/ -#if !defined(VMA_MEMORY_BUDGET) - #if VK_EXT_memory_budget && (VK_KHR_get_physical_device_properties2 || VMA_VULKAN_VERSION >= 1001000) - #define VMA_MEMORY_BUDGET 1 - #else - #define VMA_MEMORY_BUDGET 0 - #endif -#endif +/** \struct VmaVirtualBlock +\brief Handle to a virtual block object that allows to use core allocation algorithm without allocating any real GPU memory. -// Define these macros to decorate all public functions with additional code, -// before and after returned type, appropriately. This may be useful for -// exporing the functions when compiling VMA as a separate library. Example: -// #define VMA_CALL_PRE __declspec(dllexport) -// #define VMA_CALL_POST __cdecl -#ifndef VMA_CALL_PRE - #define VMA_CALL_PRE -#endif -#ifndef VMA_CALL_POST - #define VMA_CALL_POST -#endif +Fill in #VmaVirtualBlockCreateInfo structure and use vmaCreateVirtualBlock() to create it. Use vmaDestroyVirtualBlock() to destroy it. +For more information, see documentation chapter \ref virtual_allocator. -/** \struct VmaAllocator -\brief Represents main object of this library initialized. +This object is not thread-safe - should not be used from multiple threads simultaneously, must be synchronized externally. +*/ +VK_DEFINE_HANDLE(VmaVirtualBlock) -Fill structure #VmaAllocatorCreateInfo and call function vmaCreateAllocator() to create it. -Call function vmaDestroyAllocator() to destroy it. +/** @} */ -It is recommended to create just one object of this type per `VkDevice` object, -right after Vulkan is initialized and keep it alive until before Vulkan device is destroyed. +/** +\addtogroup group_init +@{ */ -VK_DEFINE_HANDLE(VmaAllocator) /// Callback function called after successful vkAllocateMemory. -typedef void (VKAPI_PTR *PFN_vmaAllocateDeviceMemoryFunction)( - VmaAllocator allocator, - uint32_t memoryType, - VkDeviceMemory memory, - VkDeviceSize size); +typedef void (VKAPI_PTR* PFN_vmaAllocateDeviceMemoryFunction)( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryType, + VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory, + VkDeviceSize size, + void* VMA_NULLABLE pUserData); + /// Callback function called before vkFreeMemory. -typedef void (VKAPI_PTR *PFN_vmaFreeDeviceMemoryFunction)( - VmaAllocator allocator, - uint32_t memoryType, - VkDeviceMemory memory, - VkDeviceSize size); +typedef void (VKAPI_PTR* PFN_vmaFreeDeviceMemoryFunction)( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryType, + VkDeviceMemory VMA_NOT_NULL_NON_DISPATCHABLE memory, + VkDeviceSize size, + void* VMA_NULLABLE pUserData); /** \brief Set of callbacks that the library will call for `vkAllocateMemory` and `vkFreeMemory`. @@ -1856,140 +936,66 @@ allocations or total amount of memory allocated in Vulkan. Used in VmaAllocatorCreateInfo::pDeviceMemoryCallbacks. */ -typedef struct VmaDeviceMemoryCallbacks { +typedef struct VmaDeviceMemoryCallbacks +{ /// Optional, can be null. - PFN_vmaAllocateDeviceMemoryFunction pfnAllocate; + PFN_vmaAllocateDeviceMemoryFunction VMA_NULLABLE pfnAllocate; /// Optional, can be null. - PFN_vmaFreeDeviceMemoryFunction pfnFree; + PFN_vmaFreeDeviceMemoryFunction VMA_NULLABLE pfnFree; + /// Optional, can be null. + void* VMA_NULLABLE pUserData; } VmaDeviceMemoryCallbacks; -/// Flags for created #VmaAllocator. -typedef enum VmaAllocatorCreateFlagBits { - /** \brief Allocator and all objects created from it will not be synchronized internally, so you must guarantee they are used from only one thread at a time or synchronized externally by you. - - Using this flag may increase performance because internal mutexes are not used. - */ - VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT = 0x00000001, - /** \brief Enables usage of VK_KHR_dedicated_allocation extension. - - The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. - When it's `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. - - Using this extenion will automatically allocate dedicated blocks of memory for - some buffers and images instead of suballocating place for them out of bigger - memory blocks (as if you explicitly used #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT - flag) when it is recommended by the driver. It may improve performance on some - GPUs. - - You may set this flag only if you found out that following device extensions are - supported, you enabled them while creating Vulkan device passed as - VmaAllocatorCreateInfo::device, and you want them to be used internally by this - library: - - - VK_KHR_get_memory_requirements2 (device extension) - - VK_KHR_dedicated_allocation (device extension) - - When this flag is set, you can experience following warnings reported by Vulkan - validation layer. You can ignore them. - - > vkBindBufferMemory(): Binding memory to buffer 0x2d but vkGetBufferMemoryRequirements() has not been called on that buffer. - */ - VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT = 0x00000002, - /** - Enables usage of VK_KHR_bind_memory2 extension. - - The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`. - When it's `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1. - - You may set this flag only if you found out that this device extension is supported, - you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, - and you want it to be used internally by this library. - - The extension provides functions `vkBindBufferMemory2KHR` and `vkBindImageMemory2KHR`, - which allow to pass a chain of `pNext` structures while binding. - This flag is required if you use `pNext` parameter in vmaBindBufferMemory2() or vmaBindImageMemory2(). - */ - VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT = 0x00000004, - /** - Enables usage of VK_EXT_memory_budget extension. - - You may set this flag only if you found out that this device extension is supported, - you enabled it while creating Vulkan device passed as VmaAllocatorCreateInfo::device, - and you want it to be used internally by this library, along with another instance extension - VK_KHR_get_physical_device_properties2, which is required by it (or Vulkan 1.1, where this extension is promoted). - - The extension provides query for current memory usage and budget, which will probably - be more accurate than an estimation used by the library otherwise. - */ - VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT = 0x00000008, - - VMA_ALLOCATOR_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaAllocatorCreateFlagBits; -typedef VkFlags VmaAllocatorCreateFlags; - /** \brief Pointers to some Vulkan functions - a subset used by the library. Used in VmaAllocatorCreateInfo::pVulkanFunctions. */ -typedef struct VmaVulkanFunctions { - PFN_vkGetPhysicalDeviceProperties vkGetPhysicalDeviceProperties; - PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties; - PFN_vkAllocateMemory vkAllocateMemory; - PFN_vkFreeMemory vkFreeMemory; - PFN_vkMapMemory vkMapMemory; - PFN_vkUnmapMemory vkUnmapMemory; - PFN_vkFlushMappedMemoryRanges vkFlushMappedMemoryRanges; - PFN_vkInvalidateMappedMemoryRanges vkInvalidateMappedMemoryRanges; - PFN_vkBindBufferMemory vkBindBufferMemory; - PFN_vkBindImageMemory vkBindImageMemory; - PFN_vkGetBufferMemoryRequirements vkGetBufferMemoryRequirements; - PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements; - PFN_vkCreateBuffer vkCreateBuffer; - PFN_vkDestroyBuffer vkDestroyBuffer; - PFN_vkCreateImage vkCreateImage; - PFN_vkDestroyImage vkDestroyImage; - PFN_vkCmdCopyBuffer vkCmdCopyBuffer; +typedef struct VmaVulkanFunctions +{ + /// Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS. + PFN_vkGetInstanceProcAddr VMA_NULLABLE vkGetInstanceProcAddr; + /// Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS. + PFN_vkGetDeviceProcAddr VMA_NULLABLE vkGetDeviceProcAddr; + PFN_vkGetPhysicalDeviceProperties VMA_NULLABLE vkGetPhysicalDeviceProperties; + PFN_vkGetPhysicalDeviceMemoryProperties VMA_NULLABLE vkGetPhysicalDeviceMemoryProperties; + PFN_vkAllocateMemory VMA_NULLABLE vkAllocateMemory; + PFN_vkFreeMemory VMA_NULLABLE vkFreeMemory; + PFN_vkMapMemory VMA_NULLABLE vkMapMemory; + PFN_vkUnmapMemory VMA_NULLABLE vkUnmapMemory; + PFN_vkFlushMappedMemoryRanges VMA_NULLABLE vkFlushMappedMemoryRanges; + PFN_vkInvalidateMappedMemoryRanges VMA_NULLABLE vkInvalidateMappedMemoryRanges; + PFN_vkBindBufferMemory VMA_NULLABLE vkBindBufferMemory; + PFN_vkBindImageMemory VMA_NULLABLE vkBindImageMemory; + PFN_vkGetBufferMemoryRequirements VMA_NULLABLE vkGetBufferMemoryRequirements; + PFN_vkGetImageMemoryRequirements VMA_NULLABLE vkGetImageMemoryRequirements; + PFN_vkCreateBuffer VMA_NULLABLE vkCreateBuffer; + PFN_vkDestroyBuffer VMA_NULLABLE vkDestroyBuffer; + PFN_vkCreateImage VMA_NULLABLE vkCreateImage; + PFN_vkDestroyImage VMA_NULLABLE vkDestroyImage; + PFN_vkCmdCopyBuffer VMA_NULLABLE vkCmdCopyBuffer; #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - PFN_vkGetBufferMemoryRequirements2KHR vkGetBufferMemoryRequirements2KHR; - PFN_vkGetImageMemoryRequirements2KHR vkGetImageMemoryRequirements2KHR; + /// Fetch "vkGetBufferMemoryRequirements2" on Vulkan >= 1.1, fetch "vkGetBufferMemoryRequirements2KHR" when using VK_KHR_dedicated_allocation extension. + PFN_vkGetBufferMemoryRequirements2KHR VMA_NULLABLE vkGetBufferMemoryRequirements2KHR; + /// Fetch "vkGetImageMemoryRequirements2" on Vulkan >= 1.1, fetch "vkGetImageMemoryRequirements2KHR" when using VK_KHR_dedicated_allocation extension. + PFN_vkGetImageMemoryRequirements2KHR VMA_NULLABLE vkGetImageMemoryRequirements2KHR; #endif #if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 - PFN_vkBindBufferMemory2KHR vkBindBufferMemory2KHR; - PFN_vkBindImageMemory2KHR vkBindImageMemory2KHR; + /// Fetch "vkBindBufferMemory2" on Vulkan >= 1.1, fetch "vkBindBufferMemory2KHR" when using VK_KHR_bind_memory2 extension. + PFN_vkBindBufferMemory2KHR VMA_NULLABLE vkBindBufferMemory2KHR; + /// Fetch "vkBindImageMemory2" on Vulkan >= 1.1, fetch "vkBindImageMemory2KHR" when using VK_KHR_bind_memory2 extension. + PFN_vkBindImageMemory2KHR VMA_NULLABLE vkBindImageMemory2KHR; #endif #if VMA_MEMORY_BUDGET || VMA_VULKAN_VERSION >= 1001000 - PFN_vkGetPhysicalDeviceMemoryProperties2KHR vkGetPhysicalDeviceMemoryProperties2KHR; + PFN_vkGetPhysicalDeviceMemoryProperties2KHR VMA_NULLABLE vkGetPhysicalDeviceMemoryProperties2KHR; +#endif +#if VMA_VULKAN_VERSION >= 1003000 + /// Fetch from "vkGetDeviceBufferMemoryRequirements" on Vulkan >= 1.3, but you can also fetch it from "vkGetDeviceBufferMemoryRequirementsKHR" if you enabled extension VK_KHR_maintenance4. + PFN_vkGetDeviceBufferMemoryRequirements VMA_NULLABLE vkGetDeviceBufferMemoryRequirements; + /// Fetch from "vkGetDeviceImageMemoryRequirements" on Vulkan >= 1.3, but you can also fetch it from "vkGetDeviceImageMemoryRequirementsKHR" if you enabled extension VK_KHR_maintenance4. + PFN_vkGetDeviceImageMemoryRequirements VMA_NULLABLE vkGetDeviceImageMemoryRequirements; #endif } VmaVulkanFunctions; -/// Flags to be used in VmaRecordSettings::flags. -typedef enum VmaRecordFlagBits { - /** \brief Enables flush after recording every function call. - - Enable it if you expect your application to crash, which may leave recording file truncated. - It may degrade performance though. - */ - VMA_RECORD_FLUSH_AFTER_CALL_BIT = 0x00000001, - - VMA_RECORD_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaRecordFlagBits; -typedef VkFlags VmaRecordFlags; - -/// Parameters for recording calls to VMA functions. To be used in VmaAllocatorCreateInfo::pRecordSettings. -typedef struct VmaRecordSettings -{ - /// Flags for recording. Use #VmaRecordFlagBits enum. - VmaRecordFlags flags; - /** \brief Path to the file that should be written by the recording. - - Suggested extension: "csv". - If the file already exists, it will be overwritten. - It will be opened for the whole time #VmaAllocator object is alive. - If opening this file fails, creation of the whole allocator object fails. - */ - const char* pFilePath; -} VmaRecordSettings; - /// Description of a Allocator to be created. typedef struct VmaAllocatorCreateInfo { @@ -1997,33 +1003,19 @@ typedef struct VmaAllocatorCreateInfo VmaAllocatorCreateFlags flags; /// Vulkan physical device. /** It must be valid throughout whole lifetime of created allocator. */ - VkPhysicalDevice physicalDevice; + VkPhysicalDevice VMA_NOT_NULL physicalDevice; /// Vulkan device. /** It must be valid throughout whole lifetime of created allocator. */ - VkDevice device; + VkDevice VMA_NOT_NULL device; /// Preferred size of a single `VkDeviceMemory` block to be allocated from large heaps > 1 GiB. Optional. /** Set to 0 to use default, which is currently 256 MiB. */ VkDeviceSize preferredLargeHeapBlockSize; /// Custom CPU memory allocation callbacks. Optional. /** Optional, can be null. When specified, will also be used for all CPU-side memory allocations. */ - const VkAllocationCallbacks* pAllocationCallbacks; + const VkAllocationCallbacks* VMA_NULLABLE pAllocationCallbacks; /// Informative callbacks for `vkAllocateMemory`, `vkFreeMemory`. Optional. /** Optional, can be null. */ - const VmaDeviceMemoryCallbacks* pDeviceMemoryCallbacks; - /** \brief Maximum number of additional frames that are in use at the same time as current frame. - - This value is used only when you make allocations with - VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag. Such allocation cannot become - lost if allocation.lastUseFrameIndex >= allocator.currentFrameIndex - frameInUseCount. - - For example, if you double-buffer your command buffers, so resources used for - rendering in previous frame may still be in use by the GPU at the moment you - allocate resources needed for the current frame, set this value to 1. - - If you want to allow any allocations other than used in the current frame to - become lost, set this value to 0. - */ - uint32_t frameInUseCount; + const VmaDeviceMemoryCallbacks* VMA_NULLABLE pDeviceMemoryCallbacks; /** \brief Either null or a pointer to an array of limits on maximum number of bytes that can be allocated out of particular Vulkan memory heap. If not NULL, it must be a pointer to an array of @@ -2048,666 +1040,720 @@ typedef struct VmaAllocatorCreateInfo blocks to system RAM. This driver behavior can also be controlled using VK_AMD_memory_overallocation_behavior extension. */ - const VkDeviceSize* pHeapSizeLimit; - /** \brief Pointers to Vulkan functions. Can be null if you leave define `VMA_STATIC_VULKAN_FUNCTIONS 1`. + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount") pHeapSizeLimit; - If you leave define `VMA_STATIC_VULKAN_FUNCTIONS 1` in configuration section, - you can pass null as this member, because the library will fetch pointers to - Vulkan functions internally in a static way, like: - - vulkanFunctions.vkAllocateMemory = &vkAllocateMemory; - - Fill this member if you want to provide your own pointers to Vulkan functions, - e.g. fetched using `vkGetInstanceProcAddr()` and `vkGetDeviceProcAddr()`. - */ - const VmaVulkanFunctions* pVulkanFunctions; - /** \brief Parameters for recording of VMA calls. Can be null. + /** \brief Pointers to Vulkan functions. Can be null. - If not null, it enables recording of calls to VMA functions to a file. - If support for recording is not enabled using `VMA_RECORDING_ENABLED` macro, - creation of the allocator object fails with `VK_ERROR_FEATURE_NOT_PRESENT`. + For details see [Pointers to Vulkan functions](@ref config_Vulkan_functions). */ - const VmaRecordSettings* pRecordSettings; - /** \brief Optional handle to Vulkan instance object. + const VmaVulkanFunctions* VMA_NULLABLE pVulkanFunctions; + /** \brief Handle to Vulkan instance object. - Optional, can be null. Must be set if #VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT flas is used - or if `vulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)`. + Starting from version 3.0.0 this member is no longer optional, it must be set! */ - VkInstance instance; + VkInstance VMA_NOT_NULL instance; /** \brief Optional. The highest version of Vulkan that the application is designed to use. - + It must be a value in the format as created by macro `VK_MAKE_VERSION` or a constant like: `VK_API_VERSION_1_1`, `VK_API_VERSION_1_0`. The patch version number specified is ignored. Only the major and minor versions are considered. - It must be less or euqal (preferably equal) to value as passed to `vkCreateInstance` as `VkApplicationInfo::apiVersion`. - Only versions 1.0 and 1.1 are supported by the current implementation. + It must be less or equal (preferably equal) to value as passed to `vkCreateInstance` as `VkApplicationInfo::apiVersion`. + Only versions 1.0, 1.1, 1.2, 1.3 are supported by the current implementation. Leaving it initialized to zero is equivalent to `VK_API_VERSION_1_0`. */ uint32_t vulkanApiVersion; +#if VMA_EXTERNAL_MEMORY + /** \brief Either null or a pointer to an array of external memory handle types for each Vulkan memory type. + + If not NULL, it must be a pointer to an array of `VkPhysicalDeviceMemoryProperties::memoryTypeCount` + elements, defining external memory handle types of particular Vulkan memory type, + to be passed using `VkExportMemoryAllocateInfoKHR`. + + Any of the elements may be equal to 0, which means not to use `VkExportMemoryAllocateInfoKHR` on this memory type. + This is also the default in case of `pTypeExternalMemoryHandleTypes` = NULL. + */ + const VkExternalMemoryHandleTypeFlagsKHR* VMA_NULLABLE VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryTypeCount") pTypeExternalMemoryHandleTypes; +#endif // #if VMA_EXTERNAL_MEMORY } VmaAllocatorCreateInfo; -/// Creates Allocator object. -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator( - const VmaAllocatorCreateInfo* pCreateInfo, - VmaAllocator* pAllocator); +/// Information about existing #VmaAllocator object. +typedef struct VmaAllocatorInfo +{ + /** \brief Handle to Vulkan instance object. -/// Destroys allocator object. -VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( - VmaAllocator allocator); + This is the same value as has been passed through VmaAllocatorCreateInfo::instance. + */ + VkInstance VMA_NOT_NULL instance; + /** \brief Handle to Vulkan physical device object. -/** -PhysicalDeviceProperties are fetched from physicalDevice by the allocator. -You can access it here, without fetching it again on your own. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaGetPhysicalDeviceProperties( - VmaAllocator allocator, - const VkPhysicalDeviceProperties** ppPhysicalDeviceProperties); + This is the same value as has been passed through VmaAllocatorCreateInfo::physicalDevice. + */ + VkPhysicalDevice VMA_NOT_NULL physicalDevice; + /** \brief Handle to Vulkan device object. + + This is the same value as has been passed through VmaAllocatorCreateInfo::device. + */ + VkDevice VMA_NOT_NULL device; +} VmaAllocatorInfo; + +/** @} */ /** -PhysicalDeviceMemoryProperties are fetched from physicalDevice by the allocator. -You can access it here, without fetching it again on your own. +\addtogroup group_stats +@{ */ -VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryProperties( - VmaAllocator allocator, - const VkPhysicalDeviceMemoryProperties** ppPhysicalDeviceMemoryProperties); -/** -\brief Given Memory Type Index, returns Property Flags of this memory type. +/** \brief Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool, or total. -This is just a convenience function. Same information can be obtained using -vmaGetMemoryProperties(). +These are fast to calculate. +See functions: vmaGetHeapBudgets(), vmaGetPoolStatistics(). */ -VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryTypeProperties( - VmaAllocator allocator, - uint32_t memoryTypeIndex, - VkMemoryPropertyFlags* pFlags); +typedef struct VmaStatistics +{ + /** \brief Number of `VkDeviceMemory` objects - Vulkan memory blocks allocated. + */ + uint32_t blockCount; + /** \brief Number of #VmaAllocation objects allocated. + + Dedicated allocations have their own blocks, so each one adds 1 to `allocationCount` as well as `blockCount`. + */ + uint32_t allocationCount; + /** \brief Number of bytes allocated in `VkDeviceMemory` blocks. + + \note To avoid confusion, please be aware that what Vulkan calls an "allocation" - a whole `VkDeviceMemory` object + (e.g. as in `VkPhysicalDeviceLimits::maxMemoryAllocationCount`) is called a "block" in VMA, while VMA calls + "allocation" a #VmaAllocation object that represents a memory region sub-allocated from such block, usually for a single buffer or image. + */ + VkDeviceSize blockBytes; + /** \brief Total number of bytes occupied by all #VmaAllocation objects. + + Always less or equal than `blockBytes`. + Difference `(blockBytes - allocationBytes)` is the amount of memory allocated from Vulkan + but unused by any #VmaAllocation. + */ + VkDeviceSize allocationBytes; +} VmaStatistics; -/** \brief Sets index of the current frame. +/** \brief More detailed statistics than #VmaStatistics. -This function must be used if you make allocations with -#VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT and -#VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flags to inform the allocator -when a new frame begins. Allocations queried using vmaGetAllocationInfo() cannot -become lost in the current frame. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaSetCurrentFrameIndex( - VmaAllocator allocator, - uint32_t frameIndex); +These are slower to calculate. Use for debugging purposes. +See functions: vmaCalculateStatistics(), vmaCalculatePoolStatistics(). + +Previous version of the statistics API provided averages, but they have been removed +because they can be easily calculated as: -/** \brief Calculated statistics of memory usage in entire allocator. +\code +VkDeviceSize allocationSizeAvg = detailedStats.statistics.allocationBytes / detailedStats.statistics.allocationCount; +VkDeviceSize unusedBytes = detailedStats.statistics.blockBytes - detailedStats.statistics.allocationBytes; +VkDeviceSize unusedRangeSizeAvg = unusedBytes / detailedStats.unusedRangeCount; +\endcode */ -typedef struct VmaStatInfo +typedef struct VmaDetailedStatistics { - /// Number of `VkDeviceMemory` Vulkan memory blocks allocated. - uint32_t blockCount; - /// Number of #VmaAllocation allocation objects allocated. - uint32_t allocationCount; + /// Basic statistics. + VmaStatistics statistics; /// Number of free ranges of memory between allocations. uint32_t unusedRangeCount; - /// Total number of bytes occupied by all allocations. - VkDeviceSize usedBytes; - /// Total number of bytes occupied by unused ranges. - VkDeviceSize unusedBytes; - VkDeviceSize allocationSizeMin, allocationSizeAvg, allocationSizeMax; - VkDeviceSize unusedRangeSizeMin, unusedRangeSizeAvg, unusedRangeSizeMax; -} VmaStatInfo; - -/// General statistics from current state of Allocator. -typedef struct VmaStats -{ - VmaStatInfo memoryType[VK_MAX_MEMORY_TYPES]; - VmaStatInfo memoryHeap[VK_MAX_MEMORY_HEAPS]; - VmaStatInfo total; -} VmaStats; - -/** \brief Retrieves statistics from current state of the Allocator. + /// Smallest allocation size. `VK_WHOLE_SIZE` if there are 0 allocations. + VkDeviceSize allocationSizeMin; + /// Largest allocation size. 0 if there are 0 allocations. + VkDeviceSize allocationSizeMax; + /// Smallest empty range size. `VK_WHOLE_SIZE` if there are 0 empty ranges. + VkDeviceSize unusedRangeSizeMin; + /// Largest empty range size. 0 if there are 0 empty ranges. + VkDeviceSize unusedRangeSizeMax; +} VmaDetailedStatistics; -This function is called "calculate" not "get" because it has to traverse all -internal data structures, so it may be quite slow. For faster but more brief statistics -suitable to be called every frame or every allocation, use vmaGetBudget(). +/** \brief General statistics from current state of the Allocator - +total memory usage across all memory heaps and types. -Note that when using allocator from multiple threads, returned information may immediately -become outdated. +These are slower to calculate. Use for debugging purposes. +See function vmaCalculateStatistics(). */ -VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStats( - VmaAllocator allocator, - VmaStats* pStats); +typedef struct VmaTotalStatistics +{ + VmaDetailedStatistics memoryType[VK_MAX_MEMORY_TYPES]; + VmaDetailedStatistics memoryHeap[VK_MAX_MEMORY_HEAPS]; + VmaDetailedStatistics total; +} VmaTotalStatistics; + +/** \brief Statistics of current memory usage and available budget for a specific memory heap. -/** \brief Statistics of current memory usage and available budget, in bytes, for specific memory heap. +These are fast to calculate. +See function vmaGetHeapBudgets(). */ typedef struct VmaBudget { - /** \brief Sum size of all `VkDeviceMemory` blocks allocated from particular heap, in bytes. + /** \brief Statistics fetched from the library. */ - VkDeviceSize blockBytes; - - /** \brief Sum size of all allocations created in particular heap, in bytes. - - Usually less or equal than `blockBytes`. - Difference `blockBytes - allocationBytes` is the amount of memory allocated but unused - - available for new allocations or wasted due to fragmentation. - - It might be greater than `blockBytes` if there are some allocations in lost state, as they account - to this value as well. - */ - VkDeviceSize allocationBytes; - + VmaStatistics statistics; /** \brief Estimated current memory usage of the program, in bytes. - - Fetched from system using `VK_EXT_memory_budget` extension if enabled. - - It might be different than `blockBytes` (usually higher) due to additional implicit objects + + Fetched from system using VK_EXT_memory_budget extension if enabled. + + It might be different than `statistics.blockBytes` (usually higher) due to additional implicit objects also occupying the memory, like swapchain, pipelines, descriptor heaps, command buffers, or `VkDeviceMemory` blocks allocated outside of this library, if any. */ VkDeviceSize usage; - /** \brief Estimated amount of memory available to the program, in bytes. - - Fetched from system using `VK_EXT_memory_budget` extension if enabled. - + + Fetched from system using VK_EXT_memory_budget extension if enabled. + It might be different (most probably smaller) than `VkMemoryHeap::size[heapIndex]` due to factors - external to the program, like other programs also consuming system resources. + external to the program, decided by the operating system. Difference `budget - usage` is the amount of additional memory that can probably be allocated without problems. Exceeding the budget may result in various problems. */ VkDeviceSize budget; } VmaBudget; -/** \brief Retrieves information about current memory budget for all memory heaps. +/** @} */ -\param[out] pBudget Must point to array with number of elements at least equal to number of memory heaps in physical device used. +/** +\addtogroup group_alloc +@{ +*/ -This function is called "get" not "calculate" because it is very fast, suitable to be called -every frame or every allocation. For more detailed statistics use vmaCalculateStats(). +/** \brief Parameters of new #VmaAllocation. -Note that when using allocator from multiple threads, returned information may immediately -become outdated. +To be used with functions like vmaCreateBuffer(), vmaCreateImage(), and many others. */ -VMA_CALL_PRE void VMA_CALL_POST vmaGetBudget( - VmaAllocator allocator, - VmaBudget* pBudget); +typedef struct VmaAllocationCreateInfo +{ + /// Use #VmaAllocationCreateFlagBits enum. + VmaAllocationCreateFlags flags; + /** \brief Intended usage of memory. -#ifndef VMA_STATS_STRING_ENABLED -#define VMA_STATS_STRING_ENABLED 1 -#endif + You can leave #VMA_MEMORY_USAGE_UNKNOWN if you specify memory requirements in other way. \n + If `pool` is not null, this member is ignored. + */ + VmaMemoryUsage usage; + /** \brief Flags that must be set in a Memory Type chosen for an allocation. -#if VMA_STATS_STRING_ENABLED + Leave 0 if you specify memory requirements in other way. \n + If `pool` is not null, this member is ignored.*/ + VkMemoryPropertyFlags requiredFlags; + /** \brief Flags that preferably should be set in a memory type chosen for an allocation. -/// Builds and returns statistics as string in JSON format. -/** @param[out] ppStatsString Must be freed using vmaFreeStatsString() function. -*/ -VMA_CALL_PRE void VMA_CALL_POST vmaBuildStatsString( - VmaAllocator allocator, - char** ppStatsString, - VkBool32 detailedMap); + Set to 0 if no additional flags are preferred. \n + If `pool` is not null, this member is ignored. */ + VkMemoryPropertyFlags preferredFlags; + /** \brief Bitmask containing one bit set for every memory type acceptable for this allocation. -VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( - VmaAllocator allocator, - char* pStatsString); + Value 0 is equivalent to `UINT32_MAX` - it means any memory type is accepted if + it meets other requirements specified by this structure, with no further + restrictions on memory type index. \n + If `pool` is not null, this member is ignored. + */ + uint32_t memoryTypeBits; + /** \brief Pool that this allocation should be created in. -#endif // #if VMA_STATS_STRING_ENABLED + Leave `VK_NULL_HANDLE` to allocate from default pool. If not null, members: + `usage`, `requiredFlags`, `preferredFlags`, `memoryTypeBits` are ignored. + */ + VmaPool VMA_NULLABLE pool; + /** \brief Custom general-purpose pointer that will be stored in #VmaAllocation, can be read as VmaAllocationInfo::pUserData and changed using vmaSetAllocationUserData(). -/** \struct VmaPool -\brief Represents custom memory pool + If #VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT is used, it must be either + null or pointer to a null-terminated string. The string will be then copied to + internal buffer, so it doesn't need to be valid after allocation call. + */ + void* VMA_NULLABLE pUserData; + /** \brief A floating-point value between 0 and 1, indicating the priority of the allocation relative to other memory allocations. -Fill structure VmaPoolCreateInfo and call function vmaCreatePool() to create it. -Call function vmaDestroyPool() to destroy it. + It is used only when #VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT flag was used during creation of the #VmaAllocator object + and this allocation ends up as dedicated or is explicitly forced as dedicated using #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + Otherwise, it has the priority of a memory block where it is placed and this variable is ignored. + */ + float priority; +} VmaAllocationCreateInfo; -For more information see [Custom memory pools](@ref choosing_memory_type_custom_memory_pools). +/// Describes parameter of created #VmaPool. +typedef struct VmaPoolCreateInfo +{ + /** \brief Vulkan memory type index to allocate this pool from. + */ + uint32_t memoryTypeIndex; + /** \brief Use combination of #VmaPoolCreateFlagBits. + */ + VmaPoolCreateFlags flags; + /** \brief Size of a single `VkDeviceMemory` block to be allocated as part of this pool, in bytes. Optional. + + Specify nonzero to set explicit, constant size of memory blocks used by this + pool. + + Leave 0 to use default and let the library manage block sizes automatically. + Sizes of particular blocks may vary. + In this case, the pool will also support dedicated allocations. + */ + VkDeviceSize blockSize; + /** \brief Minimum number of blocks to be always allocated in this pool, even if they stay empty. + + Set to 0 to have no preallocated blocks and allow the pool be completely empty. + */ + size_t minBlockCount; + /** \brief Maximum number of blocks that can be allocated in this pool. Optional. + + Set to 0 to use default, which is `SIZE_MAX`, which means no limit. + + Set to same value as VmaPoolCreateInfo::minBlockCount to have fixed amount of memory allocated + throughout whole lifetime of this pool. + */ + size_t maxBlockCount; + /** \brief A floating-point value between 0 and 1, indicating the priority of the allocations in this pool relative to other memory allocations. + + It is used only when #VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT flag was used during creation of the #VmaAllocator object. + Otherwise, this variable is ignored. + */ + float priority; + /** \brief Additional minimum alignment to be used for all allocations created from this pool. Can be 0. + + Leave 0 (default) not to impose any additional alignment. If not 0, it must be a power of two. + It can be useful in cases where alignment returned by Vulkan by functions like `vkGetBufferMemoryRequirements` is not enough, + e.g. when doing interop with OpenGL. + */ + VkDeviceSize minAllocationAlignment; + /** \brief Additional `pNext` chain to be attached to `VkMemoryAllocateInfo` used for every allocation made by this pool. Optional. + + Optional, can be null. If not null, it must point to a `pNext` chain of structures that can be attached to `VkMemoryAllocateInfo`. + It can be useful for special needs such as adding `VkExportMemoryAllocateInfoKHR`. + Structures pointed by this member must remain alive and unchanged for the whole lifetime of the custom pool. + + Please note that some structures, e.g. `VkMemoryPriorityAllocateInfoEXT`, `VkMemoryDedicatedAllocateInfoKHR`, + can be attached automatically by this library when using other, more convenient of its features. + */ + void* VMA_NULLABLE pMemoryAllocateNext; +} VmaPoolCreateInfo; + +/** @} */ + +/** +\addtogroup group_alloc +@{ */ -VK_DEFINE_HANDLE(VmaPool) -typedef enum VmaMemoryUsage +/// Parameters of #VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo(). +typedef struct VmaAllocationInfo { - /** No intended memory usage specified. - Use other members of VmaAllocationCreateInfo to specify your requirements. + /** \brief Memory type index that this allocation was allocated from. + + It never changes. */ - VMA_MEMORY_USAGE_UNKNOWN = 0, - /** Memory will be used on device only, so fast access from the device is preferred. - It usually means device-local GPU (video) memory. - No need to be mappable on host. - It is roughly equivalent of `D3D12_HEAP_TYPE_DEFAULT`. + uint32_t memoryType; + /** \brief Handle to Vulkan memory object. - Usage: - - - Resources written and read by device, e.g. images used as attachments. - - Resources transferred from host once (immutable) or infrequently and read by - device multiple times, e.g. textures to be sampled, vertex buffers, uniform - (constant) buffers, and majority of other types of resources used on GPU. - - Allocation may still end up in `HOST_VISIBLE` memory on some implementations. - In such case, you are free to map it. - You can use #VMA_ALLOCATION_CREATE_MAPPED_BIT with this usage type. + Same memory object can be shared by multiple allocations. + + It can change after the allocation is moved during \ref defragmentation. */ - VMA_MEMORY_USAGE_GPU_ONLY = 1, - /** Memory will be mappable on host. - It usually means CPU (system) memory. - Guarantees to be `HOST_VISIBLE` and `HOST_COHERENT`. - CPU access is typically uncached. Writes may be write-combined. - Resources created in this pool may still be accessible to the device, but access to them can be slow. - It is roughly equivalent of `D3D12_HEAP_TYPE_UPLOAD`. - - Usage: Staging copy of resources used as transfer source. + VkDeviceMemory VMA_NULLABLE_NON_DISPATCHABLE deviceMemory; + /** \brief Offset in `VkDeviceMemory` object to the beginning of this allocation, in bytes. `(deviceMemory, offset)` pair is unique to this allocation. + + You usually don't need to use this offset. If you create a buffer or an image together with the allocation using e.g. function + vmaCreateBuffer(), vmaCreateImage(), functions that operate on these resources refer to the beginning of the buffer or image, + not entire device memory block. Functions like vmaMapMemory(), vmaBindBufferMemory() also refer to the beginning of the allocation + and apply this offset automatically. + + It can change after the allocation is moved during \ref defragmentation. */ - VMA_MEMORY_USAGE_CPU_ONLY = 2, - /** - Memory that is both mappable on host (guarantees to be `HOST_VISIBLE`) and preferably fast to access by GPU. - CPU access is typically uncached. Writes may be write-combined. + VkDeviceSize offset; + /** \brief Size of this allocation, in bytes. + + It never changes. - Usage: Resources written frequently by host (dynamic), read by device. E.g. textures, vertex buffers, uniform buffers updated every frame or every draw call. + \note Allocation size returned in this variable may be greater than the size + requested for the resource e.g. as `VkBufferCreateInfo::size`. Whole size of the + allocation is accessible for operations on memory e.g. using a pointer after + mapping with vmaMapMemory(), but operations on the resource e.g. using + `vkCmdCopyBuffer` must be limited to the size of the resource. */ - VMA_MEMORY_USAGE_CPU_TO_GPU = 3, - /** Memory mappable on host (guarantees to be `HOST_VISIBLE`) and cached. - It is roughly equivalent of `D3D12_HEAP_TYPE_READBACK`. + VkDeviceSize size; + /** \brief Pointer to the beginning of this allocation as mapped data. - Usage: + If the allocation hasn't been mapped using vmaMapMemory() and hasn't been + created with #VMA_ALLOCATION_CREATE_MAPPED_BIT flag, this value is null. - - Resources written by device, read by host - results of some computations, e.g. screen capture, average scene luminance for HDR tone mapping. - - Any resources read or accessed randomly on host, e.g. CPU-side copy of vertex buffer used as source of transfer, but also used for collision detection. + It can change after call to vmaMapMemory(), vmaUnmapMemory(). + It can also change after the allocation is moved during \ref defragmentation. */ - VMA_MEMORY_USAGE_GPU_TO_CPU = 4, - /** CPU memory - memory that is preferably not `DEVICE_LOCAL`, but also not guaranteed to be `HOST_VISIBLE`. + void* VMA_NULLABLE pMappedData; + /** \brief Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vmaSetAllocationUserData(). - Usage: Staging copy of resources moved from GPU memory to CPU memory as part - of custom paging/residency mechanism, to be moved back to GPU memory when needed. + It can change after call to vmaSetAllocationUserData() for this allocation. */ - VMA_MEMORY_USAGE_CPU_COPY = 5, - /** Lazily allocated GPU memory having `VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT`. - Exists mostly on mobile platforms. Using it on desktop PC or other GPUs with no such memory type present will fail the allocation. + void* VMA_NULLABLE pUserData; + /** \brief Custom allocation name that was set with vmaSetAllocationName(). - Usage: Memory for transient attachment images (color attachments, depth attachments etc.), created with `VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT`. + It can change after call to vmaSetAllocationName() for this allocation. + + Another way to set custom name is to pass it in VmaAllocationCreateInfo::pUserData with + additional flag #VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT set [DEPRECATED]. + */ + const char* VMA_NULLABLE pName; +} VmaAllocationInfo; - Allocations with this usage are always created as dedicated - it implies #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. +/** \brief Parameters for defragmentation. + +To be used with function vmaBeginDefragmentation(). +*/ +typedef struct VmaDefragmentationInfo +{ + /// \brief Use combination of #VmaDefragmentationFlagBits. + VmaDefragmentationFlags flags; + /** \brief Custom pool to be defragmented. + + If null then default pools will undergo defragmentation process. */ - VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED = 6, + VmaPool VMA_NULLABLE pool; + /** \brief Maximum numbers of bytes that can be copied during single pass, while moving allocations to different places. - VMA_MEMORY_USAGE_MAX_ENUM = 0x7FFFFFFF -} VmaMemoryUsage; + `0` means no limit. + */ + VkDeviceSize maxBytesPerPass; + /** \brief Maximum number of allocations that can be moved during single pass to a different place. -/// Flags to be passed as VmaAllocationCreateInfo::flags. -typedef enum VmaAllocationCreateFlagBits { - /** \brief Set this flag if the allocation should have its own memory block. - - Use it for special, big resources, like fullscreen images used as attachments. - - You should not use this flag if VmaAllocationCreateInfo::pool is not null. + `0` means no limit. */ - VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT = 0x00000001, + uint32_t maxAllocationsPerPass; +} VmaDefragmentationInfo; - /** \brief Set this flag to only try to allocate from existing `VkDeviceMemory` blocks and never create new such block. +/// Single move of an allocation to be done for defragmentation. +typedef struct VmaDefragmentationMove +{ + /// Operation to be performed on the allocation by vmaEndDefragmentationPass(). Default value is #VMA_DEFRAGMENTATION_MOVE_OPERATION_COPY. You can modify it. + VmaDefragmentationMoveOperation operation; + /// Allocation that should be moved. + VmaAllocation VMA_NOT_NULL srcAllocation; + /** \brief Temporary allocation pointing to destination memory that will replace `srcAllocation`. - If new allocation cannot be placed in any of the existing blocks, allocation - fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY` error. + \warning Do not store this allocation in your data structures! It exists only temporarily, for the duration of the defragmentation pass, + to be used for binding new buffer/image to the destination memory using e.g. vmaBindBufferMemory(). + vmaEndDefragmentationPass() will destroy it and make `srcAllocation` point to this memory. + */ + VmaAllocation VMA_NOT_NULL dstTmpAllocation; +} VmaDefragmentationMove; + +/** \brief Parameters for incremental defragmentation steps. + +To be used with function vmaBeginDefragmentationPass(). +*/ +typedef struct VmaDefragmentationPassMoveInfo +{ + /// Number of elements in the `pMoves` array. + uint32_t moveCount; + /** \brief Array of moves to be performed by the user in the current defragmentation pass. - You should not use #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT and - #VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT at the same time. It makes no sense. + Pointer to an array of `moveCount` elements, owned by VMA, created in vmaBeginDefragmentationPass(), destroyed in vmaEndDefragmentationPass(). + + For each element, you should: - If VmaAllocationCreateInfo::pool is not null, this flag is implied and ignored. */ - VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT = 0x00000002, - /** \brief Set this flag to use a memory that will be persistently mapped and retrieve pointer to it. + 1. Create a new buffer/image in the place pointed by VmaDefragmentationMove::dstMemory + VmaDefragmentationMove::dstOffset. + 2. Copy data from the VmaDefragmentationMove::srcAllocation e.g. using `vkCmdCopyBuffer`, `vkCmdCopyImage`. + 3. Make sure these commands finished executing on the GPU. + 4. Destroy the old buffer/image. - Pointer to mapped memory will be returned through VmaAllocationInfo::pMappedData. + Only then you can finish defragmentation pass by calling vmaEndDefragmentationPass(). + After this call, the allocation will point to the new place in memory. - Is it valid to use this flag for allocation made from memory type that is not - `HOST_VISIBLE`. This flag is then ignored and memory is not mapped. This is - useful if you need an allocation that is efficient to use on GPU - (`DEVICE_LOCAL`) and still want to map it directly if possible on platforms that - support it (e.g. Intel GPU). + Alternatively, if you cannot move specific allocation, you can set VmaDefragmentationMove::operation to #VMA_DEFRAGMENTATION_MOVE_OPERATION_IGNORE. + + Alternatively, if you decide you want to completely remove the allocation: - You should not use this flag together with #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT. + 1. Destroy its buffer/image. + 2. Set VmaDefragmentationMove::operation to #VMA_DEFRAGMENTATION_MOVE_OPERATION_DESTROY. + + Then, after vmaEndDefragmentationPass() the allocation will be freed. */ - VMA_ALLOCATION_CREATE_MAPPED_BIT = 0x00000004, - /** Allocation created with this flag can become lost as a result of another - allocation with #VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT flag, so you - must check it before use. + VmaDefragmentationMove* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(moveCount) pMoves; +} VmaDefragmentationPassMoveInfo; - To check if allocation is not lost, call vmaGetAllocationInfo() and check if - VmaAllocationInfo::deviceMemory is not `VK_NULL_HANDLE`. +/// Statistics returned for defragmentation process in function vmaEndDefragmentation(). +typedef struct VmaDefragmentationStats +{ + /// Total number of bytes that have been copied while moving allocations to different places. + VkDeviceSize bytesMoved; + /// Total number of bytes that have been released to the system by freeing empty `VkDeviceMemory` objects. + VkDeviceSize bytesFreed; + /// Number of allocations that have been moved to different places. + uint32_t allocationsMoved; + /// Number of empty `VkDeviceMemory` objects that have been released to the system. + uint32_t deviceMemoryBlocksFreed; +} VmaDefragmentationStats; - For details about supporting lost allocations, see Lost Allocations - chapter of User Guide on Main Page. +/** @} */ - You should not use this flag together with #VMA_ALLOCATION_CREATE_MAPPED_BIT. - */ - VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT = 0x00000008, - /** While creating allocation using this flag, other allocations that were - created with flag #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT can become lost. +/** +\addtogroup group_virtual +@{ +*/ - For details about supporting lost allocations, see Lost Allocations - chapter of User Guide on Main Page. - */ - VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT = 0x00000010, - /** Set this flag to treat VmaAllocationCreateInfo::pUserData as pointer to a - null-terminated string. Instead of copying pointer value, a local copy of the - string is made and stored in allocation's `pUserData`. The string is automatically - freed together with the allocation. It is also used in vmaBuildStatsString(). - */ - VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT = 0x00000020, - /** Allocation will be created from upper stack in a double stack pool. +/// Parameters of created #VmaVirtualBlock object to be passed to vmaCreateVirtualBlock(). +typedef struct VmaVirtualBlockCreateInfo +{ + /** \brief Total size of the virtual block. - This flag is only allowed for custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT flag. - */ - VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT = 0x00000040, - /** Create both buffer/image and allocation, but don't bind them together. - It is useful when you want to bind yourself to do some more advanced binding, e.g. using some extensions. - The flag is meaningful only with functions that bind by default: vmaCreateBuffer(), vmaCreateImage(). - Otherwise it is ignored. + Sizes can be expressed in bytes or any units you want as long as you are consistent in using them. + For example, if you allocate from some array of structures, 1 can mean single instance of entire structure. */ - VMA_ALLOCATION_CREATE_DONT_BIND_BIT = 0x00000080, - /** Create allocation only if additional device memory required for it, if any, won't exceed - memory budget. Otherwise return `VK_ERROR_OUT_OF_DEVICE_MEMORY`. - */ - VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT = 0x00000100, + VkDeviceSize size; - /** Allocation strategy that chooses smallest possible free range for the - allocation. + /** \brief Use combination of #VmaVirtualBlockCreateFlagBits. */ - VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT = 0x00010000, - /** Allocation strategy that chooses biggest possible free range for the - allocation. - */ - VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT = 0x00020000, - /** Allocation strategy that chooses first suitable free range for the - allocation. + VmaVirtualBlockCreateFlags flags; + + /** \brief Custom CPU memory allocation callbacks. Optional. - "First" doesn't necessarily means the one with smallest offset in memory, - but rather the one that is easiest and fastest to find. + Optional, can be null. When specified, they will be used for all CPU-side memory allocations. */ - VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT = 0x00040000, + const VkAllocationCallbacks* VMA_NULLABLE pAllocationCallbacks; +} VmaVirtualBlockCreateInfo; + +/// Parameters of created virtual allocation to be passed to vmaVirtualAllocate(). +typedef struct VmaVirtualAllocationCreateInfo +{ + /** \brief Size of the allocation. - /** Allocation strategy that tries to minimize memory usage. + Cannot be zero. */ - VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT, - /** Allocation strategy that tries to minimize allocation time. + VkDeviceSize size; + /** \brief Required alignment of the allocation. Optional. + + Must be power of two. Special value 0 has the same meaning as 1 - means no special alignment is required, so allocation can start at any offset. */ - VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT, - /** Allocation strategy that tries to minimize memory fragmentation. + VkDeviceSize alignment; + /** \brief Use combination of #VmaVirtualAllocationCreateFlagBits. */ - VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT = VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT, + VmaVirtualAllocationCreateFlags flags; + /** \brief Custom pointer to be associated with the allocation. Optional. - /** A bit mask to extract only `STRATEGY` bits from entire set of flags. + It can be any value and can be used for user-defined purposes. It can be fetched or changed later. */ - VMA_ALLOCATION_CREATE_STRATEGY_MASK = - VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT | - VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT | - VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT, - - VMA_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaAllocationCreateFlagBits; -typedef VkFlags VmaAllocationCreateFlags; + void* VMA_NULLABLE pUserData; +} VmaVirtualAllocationCreateInfo; -typedef struct VmaAllocationCreateInfo +/// Parameters of an existing virtual allocation, returned by vmaGetVirtualAllocationInfo(). +typedef struct VmaVirtualAllocationInfo { - /// Use #VmaAllocationCreateFlagBits enum. - VmaAllocationCreateFlags flags; - /** \brief Intended usage of memory. - - You can leave #VMA_MEMORY_USAGE_UNKNOWN if you specify memory requirements in other way. \n - If `pool` is not null, this member is ignored. + /** \brief Offset of the allocation. + + Offset at which the allocation was made. */ - VmaMemoryUsage usage; - /** \brief Flags that must be set in a Memory Type chosen for an allocation. - - Leave 0 if you specify memory requirements in other way. \n - If `pool` is not null, this member is ignored.*/ - VkMemoryPropertyFlags requiredFlags; - /** \brief Flags that preferably should be set in a memory type chosen for an allocation. - - Set to 0 if no additional flags are prefered. \n - If `pool` is not null, this member is ignored. */ - VkMemoryPropertyFlags preferredFlags; - /** \brief Bitmask containing one bit set for every memory type acceptable for this allocation. + VkDeviceSize offset; + /** \brief Size of the allocation. - Value 0 is equivalent to `UINT32_MAX` - it means any memory type is accepted if - it meets other requirements specified by this structure, with no further - restrictions on memory type index. \n - If `pool` is not null, this member is ignored. + Same value as passed in VmaVirtualAllocationCreateInfo::size. */ - uint32_t memoryTypeBits; - /** \brief Pool that this allocation should be created in. + VkDeviceSize size; + /** \brief Custom pointer associated with the allocation. - Leave `VK_NULL_HANDLE` to allocate from default pool. If not null, members: - `usage`, `requiredFlags`, `preferredFlags`, `memoryTypeBits` are ignored. - */ - VmaPool pool; - /** \brief Custom general-purpose pointer that will be stored in #VmaAllocation, can be read as VmaAllocationInfo::pUserData and changed using vmaSetAllocationUserData(). - - If #VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT is used, it must be either - null or pointer to a null-terminated string. The string will be then copied to - internal buffer, so it doesn't need to be valid after allocation call. + Same value as passed in VmaVirtualAllocationCreateInfo::pUserData or to vmaSetVirtualAllocationUserData(). */ - void* pUserData; -} VmaAllocationCreateInfo; + void* VMA_NULLABLE pUserData; +} VmaVirtualAllocationInfo; -/** -\brief Helps to find memoryTypeIndex, given memoryTypeBits and VmaAllocationCreateInfo. +/** @} */ -This algorithm tries to find a memory type that: +#endif // _VMA_DATA_TYPES_DECLARATIONS -- Is allowed by memoryTypeBits. -- Contains all the flags from pAllocationCreateInfo->requiredFlags. -- Matches intended usage. -- Has as many flags from pAllocationCreateInfo->preferredFlags as possible. +#ifndef _VMA_FUNCTION_HEADERS -\return Returns VK_ERROR_FEATURE_NOT_PRESENT if not found. Receiving such result -from this function or any other allocating function probably means that your -device doesn't support any memory type with requested features for the specific -type of resource you want to use it for. Please check parameters of your -resource, like image layout (OPTIMAL versus LINEAR) or mip level count. +/** +\addtogroup group_init +@{ */ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndex( - VmaAllocator allocator, - uint32_t memoryTypeBits, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - uint32_t* pMemoryTypeIndex); -/** -\brief Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo. +/// Creates #VmaAllocator object. +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator( + const VmaAllocatorCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocator VMA_NULLABLE* VMA_NOT_NULL pAllocator); -It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. -It internally creates a temporary, dummy buffer that never has memory bound. -It is just a convenience function, equivalent to calling: +/// Destroys allocator object. +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( + VmaAllocator VMA_NULLABLE allocator); + +/** \brief Returns information about existing #VmaAllocator object - handle to Vulkan device etc. -- `vkCreateBuffer` -- `vkGetBufferMemoryRequirements` -- `vmaFindMemoryTypeIndex` -- `vkDestroyBuffer` +It might be useful if you want to keep just the #VmaAllocator handle and fetch other required handles to +`VkPhysicalDevice`, `VkDevice` etc. every time using this function. */ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( - VmaAllocator allocator, - const VkBufferCreateInfo* pBufferCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - uint32_t* pMemoryTypeIndex); +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocatorInfo( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocatorInfo* VMA_NOT_NULL pAllocatorInfo); /** -\brief Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo. - -It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. -It internally creates a temporary, dummy image that never has memory bound. -It is just a convenience function, equivalent to calling: - -- `vkCreateImage` -- `vkGetImageMemoryRequirements` -- `vmaFindMemoryTypeIndex` -- `vkDestroyImage` +PhysicalDeviceProperties are fetched from physicalDevice by the allocator. +You can access it here, without fetching it again on your own. */ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForImageInfo( - VmaAllocator allocator, - const VkImageCreateInfo* pImageCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - uint32_t* pMemoryTypeIndex); +VMA_CALL_PRE void VMA_CALL_POST vmaGetPhysicalDeviceProperties( + VmaAllocator VMA_NOT_NULL allocator, + const VkPhysicalDeviceProperties* VMA_NULLABLE* VMA_NOT_NULL ppPhysicalDeviceProperties); -/// Flags to be passed as VmaPoolCreateInfo::flags. -typedef enum VmaPoolCreateFlagBits { - /** \brief Use this flag if you always allocate only buffers and linear images or only optimal images out of this pool and so Buffer-Image Granularity can be ignored. +/** +PhysicalDeviceMemoryProperties are fetched from physicalDevice by the allocator. +You can access it here, without fetching it again on your own. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryProperties( + VmaAllocator VMA_NOT_NULL allocator, + const VkPhysicalDeviceMemoryProperties* VMA_NULLABLE* VMA_NOT_NULL ppPhysicalDeviceMemoryProperties); - This is an optional optimization flag. +/** +\brief Given Memory Type Index, returns Property Flags of this memory type. - If you always allocate using vmaCreateBuffer(), vmaCreateImage(), - vmaAllocateMemoryForBuffer(), then you don't need to use it because allocator - knows exact type of your allocations so it can handle Buffer-Image Granularity - in the optimal way. +This is just a convenience function. Same information can be obtained using +vmaGetMemoryProperties(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryTypeProperties( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryTypeIndex, + VkMemoryPropertyFlags* VMA_NOT_NULL pFlags); - If you also allocate using vmaAllocateMemoryForImage() or vmaAllocateMemory(), - exact type of such allocations is not known, so allocator must be conservative - in handling Buffer-Image Granularity, which can lead to suboptimal allocation - (wasted memory). In that case, if you can make sure you always allocate only - buffers and linear images or only optimal images out of this pool, use this flag - to make allocator disregard Buffer-Image Granularity and so make allocations - faster and more optimal. - */ - VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT = 0x00000002, +/** \brief Sets index of the current frame. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaSetCurrentFrameIndex( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t frameIndex); - /** \brief Enables alternative, linear allocation algorithm in this pool. +/** @} */ - Specify this flag to enable linear allocation algorithm, which always creates - new allocations after last one and doesn't reuse space from allocations freed in - between. It trades memory consumption for simplified algorithm and data - structure, which has better performance and uses less memory for metadata. +/** +\addtogroup group_stats +@{ +*/ - By using this flag, you can achieve behavior of free-at-once, stack, - ring buffer, and double stack. For details, see documentation chapter - \ref linear_algorithm. +/** \brief Retrieves statistics from current state of the Allocator. - When using this flag, you must specify VmaPoolCreateInfo::maxBlockCount == 1 (or 0 for default). +This function is called "calculate" not "get" because it has to traverse all +internal data structures, so it may be quite slow. Use it for debugging purposes. +For faster but more brief statistics suitable to be called every frame or every allocation, +use vmaGetHeapBudgets(). - For more details, see [Linear allocation algorithm](@ref linear_algorithm). - */ - VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT = 0x00000004, +Note that when using allocator from multiple threads, returned information may immediately +become outdated. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStatistics( + VmaAllocator VMA_NOT_NULL allocator, + VmaTotalStatistics* VMA_NOT_NULL pStats); - /** \brief Enables alternative, buddy allocation algorithm in this pool. +/** \brief Retrieves information about current memory usage and budget for all memory heaps. - It operates on a tree of blocks, each having size that is a power of two and - a half of its parent's size. Comparing to default algorithm, this one provides - faster allocation and deallocation and decreased external fragmentation, - at the expense of more memory wasted (internal fragmentation). +\param allocator +\param[out] pBudgets Must point to array with number of elements at least equal to number of memory heaps in physical device used. - For more details, see [Buddy allocation algorithm](@ref buddy_algorithm). - */ - VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT = 0x00000008, +This function is called "get" not "calculate" because it is very fast, suitable to be called +every frame or every allocation. For more detailed statistics use vmaCalculateStatistics(). - /** Bit mask to extract only `ALGORITHM` bits from entire set of flags. - */ - VMA_POOL_CREATE_ALGORITHM_MASK = - VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT | - VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT, +Note that when using allocator from multiple threads, returned information may immediately +become outdated. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetHeapBudgets( + VmaAllocator VMA_NOT_NULL allocator, + VmaBudget* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL("VkPhysicalDeviceMemoryProperties::memoryHeapCount") pBudgets); - VMA_POOL_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaPoolCreateFlagBits; -typedef VkFlags VmaPoolCreateFlags; +/** @} */ -/** \brief Describes parameter of created #VmaPool. +/** +\addtogroup group_alloc +@{ */ -typedef struct VmaPoolCreateInfo { - /** \brief Vulkan memory type index to allocate this pool from. - */ - uint32_t memoryTypeIndex; - /** \brief Use combination of #VmaPoolCreateFlagBits. - */ - VmaPoolCreateFlags flags; - /** \brief Size of a single `VkDeviceMemory` block to be allocated as part of this pool, in bytes. Optional. - Specify nonzero to set explicit, constant size of memory blocks used by this - pool. +/** +\brief Helps to find memoryTypeIndex, given memoryTypeBits and VmaAllocationCreateInfo. - Leave 0 to use default and let the library manage block sizes automatically. - Sizes of particular blocks may vary. - */ - VkDeviceSize blockSize; - /** \brief Minimum number of blocks to be always allocated in this pool, even if they stay empty. +This algorithm tries to find a memory type that: - Set to 0 to have no preallocated blocks and allow the pool be completely empty. - */ - size_t minBlockCount; - /** \brief Maximum number of blocks that can be allocated in this pool. Optional. +- Is allowed by memoryTypeBits. +- Contains all the flags from pAllocationCreateInfo->requiredFlags. +- Matches intended usage. +- Has as many flags from pAllocationCreateInfo->preferredFlags as possible. - Set to 0 to use default, which is `SIZE_MAX`, which means no limit. - - Set to same value as VmaPoolCreateInfo::minBlockCount to have fixed amount of memory allocated - throughout whole lifetime of this pool. - */ - size_t maxBlockCount; - /** \brief Maximum number of additional frames that are in use at the same time as current frame. +\return Returns VK_ERROR_FEATURE_NOT_PRESENT if not found. Receiving such result +from this function or any other allocating function probably means that your +device doesn't support any memory type with requested features for the specific +type of resource you want to use it for. Please check parameters of your +resource, like image layout (OPTIMAL versus LINEAR) or mip level count. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndex( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryTypeBits, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + uint32_t* VMA_NOT_NULL pMemoryTypeIndex); - This value is used only when you make allocations with - #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag. Such allocation cannot become - lost if allocation.lastUseFrameIndex >= allocator.currentFrameIndex - frameInUseCount. +/** +\brief Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo. - For example, if you double-buffer your command buffers, so resources used for - rendering in previous frame may still be in use by the GPU at the moment you - allocate resources needed for the current frame, set this value to 1. +It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. +It internally creates a temporary, dummy buffer that never has memory bound. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( + VmaAllocator VMA_NOT_NULL allocator, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + uint32_t* VMA_NOT_NULL pMemoryTypeIndex); - If you want to allow any allocations other than used in the current frame to - become lost, set this value to 0. - */ - uint32_t frameInUseCount; -} VmaPoolCreateInfo; +/** +\brief Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo. -/** \brief Describes parameter of existing #VmaPool. +It can be useful e.g. to determine value to be used as VmaPoolCreateInfo::memoryTypeIndex. +It internally creates a temporary, dummy image that never has memory bound. */ -typedef struct VmaPoolStats { - /** \brief Total amount of `VkDeviceMemory` allocated from Vulkan for this pool, in bytes. - */ - VkDeviceSize size; - /** \brief Total number of bytes in the pool not used by any #VmaAllocation. - */ - VkDeviceSize unusedSize; - /** \brief Number of #VmaAllocation objects created from this pool that were not destroyed or lost. - */ - size_t allocationCount; - /** \brief Number of continuous memory ranges in the pool not used by any #VmaAllocation. - */ - size_t unusedRangeCount; - /** \brief Size of the largest continuous free memory region available for new allocation. - - Making a new allocation of that size is not guaranteed to succeed because of - possible additional margin required to respect alignment and buffer/image - granularity. - */ - VkDeviceSize unusedRangeSizeMax; - /** \brief Number of `VkDeviceMemory` blocks allocated for this pool. - */ - size_t blockCount; -} VmaPoolStats; +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForImageInfo( + VmaAllocator VMA_NOT_NULL allocator, + const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + uint32_t* VMA_NOT_NULL pMemoryTypeIndex); /** \brief Allocates Vulkan device memory and creates #VmaPool object. -@param allocator Allocator object. -@param pCreateInfo Parameters of pool to create. -@param[out] pPool Handle to created pool. +\param allocator Allocator object. +\param pCreateInfo Parameters of pool to create. +\param[out] pPool Handle to created pool. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreatePool( - VmaAllocator allocator, - const VmaPoolCreateInfo* pCreateInfo, - VmaPool* pPool); + VmaAllocator VMA_NOT_NULL allocator, + const VmaPoolCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaPool VMA_NULLABLE* VMA_NOT_NULL pPool); /** \brief Destroys #VmaPool object and frees Vulkan device memory. */ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool( - VmaAllocator allocator, - VmaPool pool); + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NULLABLE pool); + +/** @} */ + +/** +\addtogroup group_stats +@{ +*/ /** \brief Retrieves statistics of existing #VmaPool object. -@param allocator Allocator object. -@param pool Pool object. -@param[out] pPoolStats Statistics of specified pool. +\param allocator Allocator object. +\param pool Pool object. +\param[out] pPoolStats Statistics of specified pool. */ -VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStats( - VmaAllocator allocator, - VmaPool pool, - VmaPoolStats* pPoolStats); +VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStatistics( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool, + VmaStatistics* VMA_NOT_NULL pPoolStats); -/** \brief Marks all allocations in given pool as lost if they are not used in current frame or VmaPoolCreateInfo::frameInUseCount back from now. +/** \brief Retrieves detailed statistics of existing #VmaPool object. -@param allocator Allocator object. -@param pool Pool. -@param[out] pLostAllocationCount Number of allocations marked as lost. Optional - pass null if you don't need this information. +\param allocator Allocator object. +\param pool Pool object. +\param[out] pPoolStats Statistics of specified pool. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaCalculatePoolStatistics( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool, + VmaDetailedStatistics* VMA_NOT_NULL pPoolStats); + +/** @} */ + +/** +\addtogroup group_alloc +@{ */ -VMA_CALL_PRE void VMA_CALL_POST vmaMakePoolAllocationsLost( - VmaAllocator allocator, - VmaPool pool, - size_t* pLostAllocationCount); /** \brief Checks magic number in margins around all allocations in given memory pool in search for corruptions. @@ -2719,11 +1765,13 @@ Possible return values: - `VK_ERROR_FEATURE_NOT_PRESENT` - corruption detection is not enabled for specified pool. - `VK_SUCCESS` - corruption detection has been performed and succeeded. -- `VK_ERROR_VALIDATION_FAILED_EXT` - corruption detection has been performed and found memory corruptions around one of the allocations. +- `VK_ERROR_UNKNOWN` - corruption detection has been performed and found memory corruptions around one of the allocations. `VMA_ASSERT` is also fired in that case. - Other value: Error returned by Vulkan, e.g. memory mapping failure. */ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckPoolCorruption(VmaAllocator allocator, VmaPool pool); +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckPoolCorruption( + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool); /** \brief Retrieves name of a custom pool. @@ -2732,9 +1780,9 @@ containing name of the pool that was previously set. The pointer becomes invalid destroyed or its name is changed using vmaSetPoolName(). */ VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolName( - VmaAllocator allocator, - VmaPool pool, - const char** ppName); + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool, + const char* VMA_NULLABLE* VMA_NOT_NULL ppName); /** \brief Sets name of a custom pool. @@ -2742,83 +1790,17 @@ VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolName( Function makes internal copy of the string, so it can be changed or freed immediately after this call. */ VMA_CALL_PRE void VMA_CALL_POST vmaSetPoolName( - VmaAllocator allocator, - VmaPool pool, - const char* pName); - -/** \struct VmaAllocation -\brief Represents single memory allocation. - -It may be either dedicated block of `VkDeviceMemory` or a specific region of a bigger block of this type -plus unique offset. - -There are multiple ways to create such object. -You need to fill structure VmaAllocationCreateInfo. -For more information see [Choosing memory type](@ref choosing_memory_type). - -Although the library provides convenience functions that create Vulkan buffer or image, -allocate memory for it and bind them together, -binding of the allocation to a buffer or an image is out of scope of the allocation itself. -Allocation object can exist without buffer/image bound, -binding can be done manually by the user, and destruction of it can be done -independently of destruction of the allocation. - -The object also remembers its size and some other information. -To retrieve this information, use function vmaGetAllocationInfo() and inspect -returned structure VmaAllocationInfo. - -Some kinds allocations can be in lost state. -For more information, see [Lost allocations](@ref lost_allocations). -*/ -VK_DEFINE_HANDLE(VmaAllocation) - -/** \brief Parameters of #VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo(). -*/ -typedef struct VmaAllocationInfo { - /** \brief Memory type index that this allocation was allocated from. - - It never changes. - */ - uint32_t memoryType; - /** \brief Handle to Vulkan memory object. - - Same memory object can be shared by multiple allocations. - - It can change after call to vmaDefragment() if this allocation is passed to the function, or if allocation is lost. - - If the allocation is lost, it is equal to `VK_NULL_HANDLE`. - */ - VkDeviceMemory deviceMemory; - /** \brief Offset into deviceMemory object to the beginning of this allocation, in bytes. (deviceMemory, offset) pair is unique to this allocation. - - It can change after call to vmaDefragment() if this allocation is passed to the function, or if allocation is lost. - */ - VkDeviceSize offset; - /** \brief Size of this allocation, in bytes. - - It never changes, unless allocation is lost. - */ - VkDeviceSize size; - /** \brief Pointer to the beginning of this allocation as mapped data. - - If the allocation hasn't been mapped using vmaMapMemory() and hasn't been - created with #VMA_ALLOCATION_CREATE_MAPPED_BIT flag, this value null. - - It can change after call to vmaMapMemory(), vmaUnmapMemory(). - It can also change after call to vmaDefragment() if this allocation is passed to the function. - */ - void* pMappedData; - /** \brief Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vmaSetAllocationUserData(). - - It can change after call to vmaSetAllocationUserData() for this allocation. - */ - void* pUserData; -} VmaAllocationInfo; + VmaAllocator VMA_NOT_NULL allocator, + VmaPool VMA_NOT_NULL pool, + const char* VMA_NULLABLE pName); /** \brief General purpose memory allocation. -@param[out] pAllocation Handle to allocated memory. -@param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). +\param allocator +\param pVkMemoryRequirements +\param pCreateInfo +\param[out] pAllocation Handle to allocated memory. +\param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). You should free the memory using vmaFreeMemory() or vmaFreeMemoryPages(). @@ -2826,20 +1808,20 @@ It is recommended to use vmaAllocateMemoryForBuffer(), vmaAllocateMemoryForImage vmaCreateBuffer(), vmaCreateImage() instead whenever possible. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemory( - VmaAllocator allocator, - const VkMemoryRequirements* pVkMemoryRequirements, - const VmaAllocationCreateInfo* pCreateInfo, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo); + VmaAllocator VMA_NOT_NULL allocator, + const VkMemoryRequirements* VMA_NOT_NULL pVkMemoryRequirements, + const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); /** \brief General purpose memory allocation for multiple allocation objects at once. -@param allocator Allocator object. -@param pVkMemoryRequirements Memory requirements for each allocation. -@param pCreateInfo Creation parameters for each alloction. -@param allocationCount Number of allocations to make. -@param[out] pAllocations Pointer to array that will be filled with handles to created allocations. -@param[out] pAllocationInfo Optional. Pointer to array that will be filled with parameters of created allocations. +\param allocator Allocator object. +\param pVkMemoryRequirements Memory requirements for each allocation. +\param pCreateInfo Creation parameters for each allocation. +\param allocationCount Number of allocations to make. +\param[out] pAllocations Pointer to array that will be filled with handles to created allocations. +\param[out] pAllocationInfo Optional. Pointer to array that will be filled with parameters of created allocations. You should free the memory using vmaFreeMemory() or vmaFreeMemoryPages(). @@ -2852,41 +1834,62 @@ If any allocation fails, all allocations already made within this function call returned result is not `VK_SUCCESS`, `pAllocation` array is always entirely filled with `VK_NULL_HANDLE`. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( - VmaAllocator allocator, - const VkMemoryRequirements* pVkMemoryRequirements, - const VmaAllocationCreateInfo* pCreateInfo, + VmaAllocator VMA_NOT_NULL allocator, + const VkMemoryRequirements* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pVkMemoryRequirements, + const VmaAllocationCreateInfo* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pCreateInfo, size_t allocationCount, - VmaAllocation* pAllocations, - VmaAllocationInfo* pAllocationInfo); + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations, + VmaAllocationInfo* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) pAllocationInfo); -/** -@param[out] pAllocation Handle to allocated memory. -@param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). +/** \brief Allocates memory suitable for given `VkBuffer`. + +\param allocator +\param buffer +\param pCreateInfo +\param[out] pAllocation Handle to allocated memory. +\param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). -You should free the memory using vmaFreeMemory(). +It only creates #VmaAllocation. To bind the memory to the buffer, use vmaBindBufferMemory(). + +This is a special-purpose function. In most cases you should use vmaCreateBuffer(). + +You must free the allocation using vmaFreeMemory() when no longer needed. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForBuffer( - VmaAllocator allocator, - VkBuffer buffer, - const VmaAllocationCreateInfo* pCreateInfo, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo); + VmaAllocator VMA_NOT_NULL allocator, + VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer, + const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief Allocates memory suitable for given `VkImage`. + +\param allocator +\param image +\param pCreateInfo +\param[out] pAllocation Handle to allocated memory. +\param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). -/// Function similar to vmaAllocateMemoryForBuffer(). +It only creates #VmaAllocation. To bind the memory to the buffer, use vmaBindImageMemory(). + +This is a special-purpose function. In most cases you should use vmaCreateImage(). + +You must free the allocation using vmaFreeMemory() when no longer needed. +*/ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForImage( - VmaAllocator allocator, - VkImage image, - const VmaAllocationCreateInfo* pCreateInfo, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo); + VmaAllocator VMA_NOT_NULL allocator, + VkImage VMA_NOT_NULL_NON_DISPATCHABLE image, + const VmaAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); /** \brief Frees memory previously allocated using vmaAllocateMemory(), vmaAllocateMemoryForBuffer(), or vmaAllocateMemoryForImage(). Passing `VK_NULL_HANDLE` as `allocation` is valid. Such function call is just skipped. */ VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( - VmaAllocator allocator, - VmaAllocation allocation); + VmaAllocator VMA_NOT_NULL allocator, + const VmaAllocation VMA_NULLABLE allocation); /** \brief Frees memory and destroys multiple allocations. @@ -2899,99 +1902,70 @@ Allocations in `pAllocations` array can come from any memory pools and types. Passing `VK_NULL_HANDLE` as elements of `pAllocations` array is valid. Such entries are just skipped. */ VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemoryPages( - VmaAllocator allocator, + VmaAllocator VMA_NOT_NULL allocator, size_t allocationCount, - VmaAllocation* pAllocations); - -/** \brief Deprecated. - -In version 2.2.0 it used to try to change allocation's size without moving or reallocating it. -In current version it returns `VK_SUCCESS` only if `newSize` equals current allocation's size. -Otherwise returns `VK_ERROR_OUT_OF_POOL_MEMORY`, indicating that allocation's size could not be changed. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaResizeAllocation( - VmaAllocator allocator, - VmaAllocation allocation, - VkDeviceSize newSize); + const VmaAllocation VMA_NULLABLE* VMA_NOT_NULL VMA_LEN_IF_NOT_NULL(allocationCount) pAllocations); -/** \brief Returns current information about specified allocation and atomically marks it as used in current frame. +/** \brief Returns current information about specified allocation. -Current paramters of given allocation are returned in `pAllocationInfo`. +Current paramteres of given allocation are returned in `pAllocationInfo`. -This function also atomically "touches" allocation - marks it as used in current frame, -just like vmaTouchAllocation(). -If the allocation is in lost state, `pAllocationInfo->deviceMemory == VK_NULL_HANDLE`. - -Although this function uses atomics and doesn't lock any mutex, so it should be quite efficient, -you can avoid calling it too often. - -- You can retrieve same VmaAllocationInfo structure while creating your resource, from function - vmaCreateBuffer(), vmaCreateImage(). You can remember it if you are sure parameters don't change - (e.g. due to defragmentation or allocation becoming lost). -- If you just want to check if allocation is not lost, vmaTouchAllocation() will work faster. +Although this function doesn't lock any mutex, so it should be quite efficient, +you should avoid calling it too often. +You can retrieve same VmaAllocationInfo structure while creating your resource, from function +vmaCreateBuffer(), vmaCreateImage(). You can remember it if you are sure parameters don't change +(e.g. due to defragmentation). */ VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo( - VmaAllocator allocator, - VmaAllocation allocation, - VmaAllocationInfo* pAllocationInfo); - -/** \brief Returns `VK_TRUE` if allocation is not lost and atomically marks it as used in current frame. - -If the allocation has been created with #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag, -this function returns `VK_TRUE` if it's not in lost state, so it can still be used. -It then also atomically "touches" the allocation - marks it as used in current frame, -so that you can be sure it won't become lost in current frame or next `frameInUseCount` frames. - -If the allocation is in lost state, the function returns `VK_FALSE`. -Memory of such allocation, as well as buffer or image bound to it, should not be used. -Lost allocation and the buffer/image still need to be destroyed. - -If the allocation has been created without #VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag, -this function always returns `VK_TRUE`. -*/ -VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaTouchAllocation( - VmaAllocator allocator, - VmaAllocation allocation); + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VmaAllocationInfo* VMA_NOT_NULL pAllocationInfo); /** \brief Sets pUserData in given allocation to new value. -If the allocation was created with VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT, -pUserData must be either null, or pointer to a null-terminated string. The function -makes local copy of the string and sets it as allocation's `pUserData`. String -passed as pUserData doesn't need to be valid for whole lifetime of the allocation - -you can free it after this call. String previously pointed by allocation's -pUserData is freed from memory. - -If the flag was not used, the value of pointer `pUserData` is just copied to -allocation's `pUserData`. It is opaque, so you can use it however you want - e.g. +The value of pointer `pUserData` is copied to allocation's `pUserData`. +It is opaque, so you can use it however you want - e.g. as a pointer, ordinal number or some handle to you own data. */ VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData( - VmaAllocator allocator, - VmaAllocation allocation, - void* pUserData); + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + void* VMA_NULLABLE pUserData); -/** \brief Creates new allocation that is in lost state from the beginning. +/** \brief Sets pName in given allocation to new value. -It can be useful if you need a dummy, non-null allocation. +`pName` must be either null, or pointer to a null-terminated string. The function +makes local copy of the string and sets it as allocation's `pName`. String +passed as pName doesn't need to be valid for whole lifetime of the allocation - +you can free it after this call. String previously pointed by allocation's +`pName` is freed from memory. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationName( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + const char* VMA_NULLABLE pName); -You still need to destroy created object using vmaFreeMemory(). +/** +\brief Given an allocation, returns Property Flags of its memory type. -Returned allocation is not tied to any specific memory pool or memory type and -not bound to any image or buffer. It has size = 0. It cannot be turned into -a real, non-empty allocation. +This is just a convenience function. Same information can be obtained using +vmaGetAllocationInfo() + vmaGetMemoryProperties(). */ -VMA_CALL_PRE void VMA_CALL_POST vmaCreateLostAllocation( - VmaAllocator allocator, - VmaAllocation* pAllocation); +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationMemoryProperties( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkMemoryPropertyFlags* VMA_NOT_NULL pFlags); /** \brief Maps memory represented by given allocation and returns pointer to it. Maps memory represented by given allocation to make it accessible to CPU code. When succeeded, `*ppData` contains pointer to first byte of this memory. -If the allocation is part of bigger `VkDeviceMemory` block, the pointer is -correctly offseted to the beginning of region assigned to this particular -allocation. + +\warning +If the allocation is part of a bigger `VkDeviceMemory` block, returned pointer is +correctly offsetted to the beginning of region assigned to this particular allocation. +Unlike the result of `vkMapMemory`, it points to the allocation, not to the beginning of the whole block. +You should not add VmaAllocationInfo::offset to it! Mapping is internally reference-counted and synchronized, so despite raw Vulkan function `vkMapMemory()` cannot be used to map same block of `VkDeviceMemory` @@ -3015,18 +1989,14 @@ vmaMapMemory(). You must not call vmaUnmapMemory() additional time to free the This function fails when used on allocation made in memory type that is not `HOST_VISIBLE`. -This function always fails when called for allocation that was created with -#VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT flag. Such allocations cannot be -mapped. - This function doesn't automatically flush or invalidate caches. If the allocation is made from a memory types that is not `HOST_COHERENT`, you also need to use vmaInvalidateAllocation() / vmaFlushAllocation(), as required by Vulkan specification. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory( - VmaAllocator allocator, - VmaAllocation allocation, - void** ppData); + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + void* VMA_NULLABLE* VMA_NOT_NULL ppData); /** \brief Unmaps memory represented by given allocation, mapped previously using vmaMapMemory(). @@ -3037,8 +2007,8 @@ If the allocation is made from a memory types that is not `HOST_COHERENT`, you also need to use vmaInvalidateAllocation() / vmaFlushAllocation(), as required by Vulkan specification. */ VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory( - VmaAllocator allocator, - VmaAllocation allocation); + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation); /** \brief Flushes memory of given allocation. @@ -3057,8 +2027,15 @@ Unmap operation doesn't do that automatically. Warning! `offset` and `size` are relative to the contents of given `allocation`. If you mean whole allocation, you can pass 0 and `VK_WHOLE_SIZE`, respectively. Do not pass allocation's offset as `offset`!!! + +This function returns the `VkResult` from `vkFlushMappedMemoryRanges` if it is +called, otherwise `VK_SUCCESS`. */ -VMA_CALL_PRE void VMA_CALL_POST vmaFlushAllocation(VmaAllocator allocator, VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size); +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocation( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkDeviceSize offset, + VkDeviceSize size); /** \brief Invalidates memory of given allocation. @@ -3077,12 +2054,62 @@ Map operation doesn't do that automatically. Warning! `offset` and `size` are relative to the contents of given `allocation`. If you mean whole allocation, you can pass 0 and `VK_WHOLE_SIZE`, respectively. Do not pass allocation's offset as `offset`!!! + +This function returns the `VkResult` from `vkInvalidateMappedMemoryRanges` if +it is called, otherwise `VK_SUCCESS`. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocation( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkDeviceSize offset, + VkDeviceSize size); + +/** \brief Flushes memory of given set of allocations. + +Calls `vkFlushMappedMemoryRanges()` for memory associated with given ranges of given allocations. +For more information, see documentation of vmaFlushAllocation(). + +\param allocator +\param allocationCount +\param allocations +\param offsets If not null, it must point to an array of offsets of regions to flush, relative to the beginning of respective allocations. Null means all ofsets are zero. +\param sizes If not null, it must point to an array of sizes of regions to flush in respective allocations. Null means `VK_WHOLE_SIZE` for all allocations. + +This function returns the `VkResult` from `vkFlushMappedMemoryRanges` if it is +called, otherwise `VK_SUCCESS`. */ -VMA_CALL_PRE void VMA_CALL_POST vmaInvalidateAllocation(VmaAllocator allocator, VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size); +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocations( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t allocationCount, + const VmaAllocation VMA_NOT_NULL* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) allocations, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) offsets, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) sizes); + +/** \brief Invalidates memory of given set of allocations. + +Calls `vkInvalidateMappedMemoryRanges()` for memory associated with given ranges of given allocations. +For more information, see documentation of vmaInvalidateAllocation(). + +\param allocator +\param allocationCount +\param allocations +\param offsets If not null, it must point to an array of offsets of regions to flush, relative to the beginning of respective allocations. Null means all ofsets are zero. +\param sizes If not null, it must point to an array of sizes of regions to flush in respective allocations. Null means `VK_WHOLE_SIZE` for all allocations. + +This function returns the `VkResult` from `vkInvalidateMappedMemoryRanges` if it is +called, otherwise `VK_SUCCESS`. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocations( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t allocationCount, + const VmaAllocation VMA_NOT_NULL* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) allocations, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) offsets, + const VkDeviceSize* VMA_NULLABLE VMA_LEN_IF_NOT_NULL(allocationCount) sizes); /** \brief Checks magic number in margins around all allocations in given memory types (in both default and custom pools) in search for corruptions. -@param memoryTypeBits Bit mask, where each bit set means that a memory type with that index should be checked. +\param allocator +\param memoryTypeBits Bit mask, where each bit set means that a memory type with that index should be checked. Corruption detection is enabled only when `VMA_DEBUG_DETECT_CORRUPTION` macro is defined to nonzero, `VMA_DEBUG_MARGIN` is defined to nonzero and only for memory types that are @@ -3092,222 +2119,81 @@ Possible return values: - `VK_ERROR_FEATURE_NOT_PRESENT` - corruption detection is not enabled for any of specified memory types. - `VK_SUCCESS` - corruption detection has been performed and succeeded. -- `VK_ERROR_VALIDATION_FAILED_EXT` - corruption detection has been performed and found memory corruptions around one of the allocations. +- `VK_ERROR_UNKNOWN` - corruption detection has been performed and found memory corruptions around one of the allocations. `VMA_ASSERT` is also fired in that case. - Other value: Error returned by Vulkan, e.g. memory mapping failure. */ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption(VmaAllocator allocator, uint32_t memoryTypeBits); - -/** \struct VmaDefragmentationContext -\brief Represents Opaque object that represents started defragmentation process. - -Fill structure #VmaDefragmentationInfo2 and call function vmaDefragmentationBegin() to create it. -Call function vmaDefragmentationEnd() to destroy it. -*/ -VK_DEFINE_HANDLE(VmaDefragmentationContext) +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption( + VmaAllocator VMA_NOT_NULL allocator, + uint32_t memoryTypeBits); -/// Flags to be used in vmaDefragmentationBegin(). None at the moment. Reserved for future use. -typedef enum VmaDefragmentationFlagBits { - VMA_DEFRAGMENTATION_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF -} VmaDefragmentationFlagBits; -typedef VkFlags VmaDefragmentationFlags; +/** \brief Begins defragmentation process. -/** \brief Parameters for defragmentation. +\param allocator Allocator object. +\param pInfo Structure filled with parameters of defragmentation. +\param[out] pContext Context object that must be passed to vmaEndDefragmentation() to finish defragmentation. +\returns +- `VK_SUCCESS` if defragmentation can begin. +- `VK_ERROR_FEATURE_NOT_PRESENT` if defragmentation is not supported. -To be used with function vmaDefragmentationBegin(). +For more information about defragmentation, see documentation chapter: +[Defragmentation](@ref defragmentation). */ -typedef struct VmaDefragmentationInfo2 { - /** \brief Reserved for future use. Should be 0. - */ - VmaDefragmentationFlags flags; - /** \brief Number of allocations in `pAllocations` array. - */ - uint32_t allocationCount; - /** \brief Pointer to array of allocations that can be defragmented. - - The array should have `allocationCount` elements. - The array should not contain nulls. - Elements in the array should be unique - same allocation cannot occur twice. - It is safe to pass allocations that are in the lost state - they are ignored. - All allocations not present in this array are considered non-moveable during this defragmentation. - */ - VmaAllocation* pAllocations; - /** \brief Optional, output. Pointer to array that will be filled with information whether the allocation at certain index has been changed during defragmentation. - - The array should have `allocationCount` elements. - You can pass null if you are not interested in this information. - */ - VkBool32* pAllocationsChanged; - /** \brief Numer of pools in `pPools` array. - */ - uint32_t poolCount; - /** \brief Either null or pointer to array of pools to be defragmented. - - All the allocations in the specified pools can be moved during defragmentation - and there is no way to check if they were really moved as in `pAllocationsChanged`, - so you must query all the allocations in all these pools for new `VkDeviceMemory` - and offset using vmaGetAllocationInfo() if you might need to recreate buffers - and images bound to them. - - The array should have `poolCount` elements. - The array should not contain nulls. - Elements in the array should be unique - same pool cannot occur twice. - - Using this array is equivalent to specifying all allocations from the pools in `pAllocations`. - It might be more efficient. - */ - VmaPool* pPools; - /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places using transfers on CPU side, like `memcpy()`, `memmove()`. - - `VK_WHOLE_SIZE` means no limit. - */ - VkDeviceSize maxCpuBytesToMove; - /** \brief Maximum number of allocations that can be moved to a different place using transfers on CPU side, like `memcpy()`, `memmove()`. +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentation( + VmaAllocator VMA_NOT_NULL allocator, + const VmaDefragmentationInfo* VMA_NOT_NULL pInfo, + VmaDefragmentationContext VMA_NULLABLE* VMA_NOT_NULL pContext); - `UINT32_MAX` means no limit. - */ - uint32_t maxCpuAllocationsToMove; - /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places using transfers on GPU side, posted to `commandBuffer`. - - `VK_WHOLE_SIZE` means no limit. - */ - VkDeviceSize maxGpuBytesToMove; - /** \brief Maximum number of allocations that can be moved to a different place using transfers on GPU side, posted to `commandBuffer`. - - `UINT32_MAX` means no limit. - */ - uint32_t maxGpuAllocationsToMove; - /** \brief Optional. Command buffer where GPU copy commands will be posted. - - If not null, it must be a valid command buffer handle that supports Transfer queue type. - It must be in the recording state and outside of a render pass instance. - You need to submit it and make sure it finished execution before calling vmaDefragmentationEnd(). - - Passing null means that only CPU defragmentation will be performed. - */ - VkCommandBuffer commandBuffer; -} VmaDefragmentationInfo2; +/** \brief Ends defragmentation process. -/** \brief Deprecated. Optional configuration parameters to be passed to function vmaDefragment(). +\param allocator Allocator object. +\param context Context object that has been created by vmaBeginDefragmentation(). +\param[out] pStats Optional stats for the defragmentation. Can be null. -\deprecated This is a part of the old interface. It is recommended to use structure #VmaDefragmentationInfo2 and function vmaDefragmentationBegin() instead. +Use this function to finish defragmentation started by vmaBeginDefragmentation(). */ -typedef struct VmaDefragmentationInfo { - /** \brief Maximum total numbers of bytes that can be copied while moving allocations to different places. - - Default is `VK_WHOLE_SIZE`, which means no limit. - */ - VkDeviceSize maxBytesToMove; - /** \brief Maximum number of allocations that can be moved to different place. +VMA_CALL_PRE void VMA_CALL_POST vmaEndDefragmentation( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NOT_NULL context, + VmaDefragmentationStats* VMA_NULLABLE pStats); + +/** \brief Starts single defragmentation pass. + +\param allocator Allocator object. +\param context Context object that has been created by vmaBeginDefragmentation(). +\param[out] pPassInfo Computed informations for current pass. +\returns +- `VK_SUCCESS` if no more moves are possible. Then you can omit call to vmaEndDefragmentationPass() and simply end whole defragmentation. +- `VK_INCOMPLETE` if there are pending moves returned in `pPassInfo`. You need to perform them, call vmaEndDefragmentationPass(), + and then preferably try another pass with vmaBeginDefragmentationPass(). +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentationPass( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NOT_NULL context, + VmaDefragmentationPassMoveInfo* VMA_NOT_NULL pPassInfo); - Default is `UINT32_MAX`, which means no limit. - */ - uint32_t maxAllocationsToMove; -} VmaDefragmentationInfo; +/** \brief Ends single defragmentation pass. -/** \brief Statistics returned by function vmaDefragment(). */ -typedef struct VmaDefragmentationStats { - /// Total number of bytes that have been copied while moving allocations to different places. - VkDeviceSize bytesMoved; - /// Total number of bytes that have been released to the system by freeing empty `VkDeviceMemory` objects. - VkDeviceSize bytesFreed; - /// Number of allocations that have been moved to different places. - uint32_t allocationsMoved; - /// Number of empty `VkDeviceMemory` objects that have been released to the system. - uint32_t deviceMemoryBlocksFreed; -} VmaDefragmentationStats; +\param allocator Allocator object. +\param context Context object that has been created by vmaBeginDefragmentation(). +\param pPassInfo Computed informations for current pass filled by vmaBeginDefragmentationPass() and possibly modified by you. -/** \brief Begins defragmentation process. +Returns `VK_SUCCESS` if no more moves are possible or `VK_INCOMPLETE` if more defragmentations are possible. -@param allocator Allocator object. -@param pInfo Structure filled with parameters of defragmentation. -@param[out] pStats Optional. Statistics of defragmentation. You can pass null if you are not interested in this information. -@param[out] pContext Context object that must be passed to vmaDefragmentationEnd() to finish defragmentation. -@return `VK_SUCCESS` and `*pContext == null` if defragmentation finished within this function call. `VK_NOT_READY` and `*pContext != null` if defragmentation has been started and you need to call vmaDefragmentationEnd() to finish it. Negative value in case of error. - -Use this function instead of old, deprecated vmaDefragment(). - -Warning! Between the call to vmaDefragmentationBegin() and vmaDefragmentationEnd(): - -- You should not use any of allocations passed as `pInfo->pAllocations` or - any allocations that belong to pools passed as `pInfo->pPools`, - including calling vmaGetAllocationInfo(), vmaTouchAllocation(), or access - their data. -- Some mutexes protecting internal data structures may be locked, so trying to - make or free any allocations, bind buffers or images, map memory, or launch - another simultaneous defragmentation in between may cause stall (when done on - another thread) or deadlock (when done on the same thread), unless you are - 100% sure that defragmented allocations are in different pools. -- Information returned via `pStats` and `pInfo->pAllocationsChanged` are undefined. - They become valid after call to vmaDefragmentationEnd(). -- If `pInfo->commandBuffer` is not null, you must submit that command buffer - and make sure it finished execution before calling vmaDefragmentationEnd(). - -For more information and important limitations regarding defragmentation, see documentation chapter: -[Defragmentation](@ref defragmentation). -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationBegin( - VmaAllocator allocator, - const VmaDefragmentationInfo2* pInfo, - VmaDefragmentationStats* pStats, - VmaDefragmentationContext *pContext); +Ends incremental defragmentation pass and commits all defragmentation moves from `pPassInfo`. +After this call: -/** \brief Ends defragmentation process. +- Allocations at `pPassInfo[i].srcAllocation` that had `pPassInfo[i].operation ==` #VMA_DEFRAGMENTATION_MOVE_OPERATION_COPY + (which is the default) will be pointing to the new destination place. +- Allocation at `pPassInfo[i].srcAllocation` that had `pPassInfo[i].operation ==` #VMA_DEFRAGMENTATION_MOVE_OPERATION_DESTROY + will be freed. -Use this function to finish defragmentation started by vmaDefragmentationBegin(). -It is safe to pass `context == null`. The function then does nothing. -*/ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationEnd( - VmaAllocator allocator, - VmaDefragmentationContext context); - -/** \brief Deprecated. Compacts memory by moving allocations. - -@param pAllocations Array of allocations that can be moved during this compation. -@param allocationCount Number of elements in pAllocations and pAllocationsChanged arrays. -@param[out] pAllocationsChanged Array of boolean values that will indicate whether matching allocation in pAllocations array has been moved. This parameter is optional. Pass null if you don't need this information. -@param pDefragmentationInfo Configuration parameters. Optional - pass null to use default values. -@param[out] pDefragmentationStats Statistics returned by the function. Optional - pass null if you don't need this information. -@return `VK_SUCCESS` if completed, negative error code in case of error. - -\deprecated This is a part of the old interface. It is recommended to use structure #VmaDefragmentationInfo2 and function vmaDefragmentationBegin() instead. - -This function works by moving allocations to different places (different -`VkDeviceMemory` objects and/or different offsets) in order to optimize memory -usage. Only allocations that are in `pAllocations` array can be moved. All other -allocations are considered nonmovable in this call. Basic rules: - -- Only allocations made in memory types that have - `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` and `VK_MEMORY_PROPERTY_HOST_COHERENT_BIT` - flags can be compacted. You may pass other allocations but it makes no sense - - these will never be moved. -- Custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT or - #VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT flag are not defragmented. Allocations - passed to this function that come from such pools are ignored. -- Allocations created with #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT or - created as dedicated allocations for any other reason are also ignored. -- Both allocations made with or without #VMA_ALLOCATION_CREATE_MAPPED_BIT - flag can be compacted. If not persistently mapped, memory will be mapped - temporarily inside this function if needed. -- You must not pass same #VmaAllocation object multiple times in `pAllocations` array. - -The function also frees empty `VkDeviceMemory` blocks. - -Warning: This function may be time-consuming, so you shouldn't call it too often -(like after every resource creation/destruction). -You can call it on special occasions (like when reloading a game level or -when you just destroyed a lot of objects). Calling it every frame may be OK, but -you should measure that on your platform. - -For more information, see [Defragmentation](@ref defragmentation) chapter. +If no more moves are possible you can end whole defragmentation. */ -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragment( - VmaAllocator allocator, - VmaAllocation* pAllocations, - size_t allocationCount, - VkBool32* pAllocationsChanged, - const VmaDefragmentationInfo *pDefragmentationInfo, - VmaDefragmentationStats* pDefragmentationStats); +VMA_CALL_PRE VkResult VMA_CALL_POST vmaEndDefragmentationPass( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NOT_NULL context, + VmaDefragmentationPassMoveInfo* VMA_NOT_NULL pPassInfo); /** \brief Binds buffer to allocation. @@ -3322,26 +2208,29 @@ allocations, calls to `vkBind*Memory()` or `vkMapMemory()` won't happen from mul It is recommended to use function vmaCreateBuffer() instead of this one. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory( - VmaAllocator allocator, - VmaAllocation allocation, - VkBuffer buffer); + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer); /** \brief Binds buffer to allocation with additional parameters. -@param allocationLocalOffset Additional offset to be added while binding, relative to the beginnig of the `allocation`. Normally it should be 0. -@param pNext A chain of structures to be attached to `VkBindBufferMemoryInfoKHR` structure used internally. Normally it should be null. +\param allocator +\param allocation +\param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0. +\param buffer +\param pNext A chain of structures to be attached to `VkBindBufferMemoryInfoKHR` structure used internally. Normally it should be null. This function is similar to vmaBindBufferMemory(), but it provides additional parameters. If `pNext` is not null, #VmaAllocator object must have been created with #VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT flag -or with VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_1`. Otherwise the call fails. +or with VmaAllocatorCreateInfo::vulkanApiVersion `>= VK_API_VERSION_1_1`. Otherwise the call fails. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory2( - VmaAllocator allocator, - VmaAllocation allocation, + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, VkDeviceSize allocationLocalOffset, - VkBuffer buffer, - const void* pNext); + VkBuffer VMA_NOT_NULL_NON_DISPATCHABLE buffer, + const void* VMA_NULLABLE pNext); /** \brief Binds image to allocation. @@ -3356,31 +2245,38 @@ allocations, calls to `vkBind*Memory()` or `vkMapMemory()` won't happen from mul It is recommended to use function vmaCreateImage() instead of this one. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory( - VmaAllocator allocator, - VmaAllocation allocation, - VkImage image); + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkImage VMA_NOT_NULL_NON_DISPATCHABLE image); /** \brief Binds image to allocation with additional parameters. -@param allocationLocalOffset Additional offset to be added while binding, relative to the beginnig of the `allocation`. Normally it should be 0. -@param pNext A chain of structures to be attached to `VkBindImageMemoryInfoKHR` structure used internally. Normally it should be null. +\param allocator +\param allocation +\param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0. +\param image +\param pNext A chain of structures to be attached to `VkBindImageMemoryInfoKHR` structure used internally. Normally it should be null. This function is similar to vmaBindImageMemory(), but it provides additional parameters. If `pNext` is not null, #VmaAllocator object must have been created with #VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT flag -or with VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_1`. Otherwise the call fails. +or with VmaAllocatorCreateInfo::vulkanApiVersion `>= VK_API_VERSION_1_1`. Otherwise the call fails. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory2( - VmaAllocator allocator, - VmaAllocation allocation, + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, VkDeviceSize allocationLocalOffset, - VkImage image, - const void* pNext); + VkImage VMA_NOT_NULL_NON_DISPATCHABLE image, + const void* VMA_NULLABLE pNext); -/** -@param[out] pBuffer Buffer that was created. -@param[out] pAllocation Allocation that was created. -@param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). +/** \brief Creates a new `VkBuffer`, allocates and binds memory for it. + +\param allocator +\param pBufferCreateInfo +\param pAllocationCreateInfo +\param[out] pBuffer Buffer that was created. +\param[out] pAllocation Allocation that was created. +\param[out] pAllocationInfo Optional. Information about allocated memory. It can be later fetched using function vmaGetAllocationInfo(). This function automatically: @@ -3389,27 +2285,71 @@ This function automatically: -# Binds the buffer with the memory. If any of these operations fail, buffer and allocation are not created, -returned value is negative error code, *pBuffer and *pAllocation are null. +returned value is negative error code, `*pBuffer` and `*pAllocation` are null. If the function succeeded, you must destroy both buffer and allocation when you no longer need them using either convenience function vmaDestroyBuffer() or separately, using `vkDestroyBuffer()` and vmaFreeMemory(). -If VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT flag was used, +If #VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT flag was used, VK_KHR_dedicated_allocation extension is used internally to query driver whether it requires or prefers the new buffer to have dedicated allocation. If yes, -and if dedicated allocation is possible (VmaAllocationCreateInfo::pool is null -and VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT is not used), it creates dedicated +and if dedicated allocation is possible +(#VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT is not used), it creates dedicated allocation for this buffer, just like when using -VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. +#VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + +\note This function creates a new `VkBuffer`. Sub-allocation of parts of one large buffer, +although recommended as a good practice, is out of scope of this library and could be implemented +by the user as a higher-level logic on top of VMA. */ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( - VmaAllocator allocator, - const VkBufferCreateInfo* pBufferCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - VkBuffer* pBuffer, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo); + VmaAllocator VMA_NOT_NULL allocator, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pBuffer, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief Creates a buffer with additional minimum alignment. + +Similar to vmaCreateBuffer() but provides additional parameter `minAlignment` which allows to specify custom, +minimum alignment to be used when placing the buffer inside a larger memory block, which may be needed e.g. +for interop with OpenGL. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBufferWithAlignment( + VmaAllocator VMA_NOT_NULL allocator, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + VkDeviceSize minAlignment, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pBuffer, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/** \brief Creates a new `VkBuffer`, binds already created memory for it. + +\param allocator +\param allocation Allocation that provides memory to be used for binding new buffer to it. +\param pBufferCreateInfo +\param[out] pBuffer Buffer that was created. + +This function automatically: + +-# Creates buffer. +-# Binds the buffer with the supplied memory. + +If any of these operations fail, buffer is not created, +returned value is negative error code and `*pBuffer` is null. + +If the function succeeded, you must destroy the buffer when you +no longer need it using `vkDestroyBuffer()`. If you want to also destroy the corresponding +allocation you can use convenience function vmaDestroyBuffer(). +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAliasingBuffer( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pBuffer); /** \brief Destroys Vulkan buffer and frees allocated memory. @@ -3423,18 +2363,25 @@ vmaFreeMemory(allocator, allocation); It it safe to pass null as buffer and/or allocation. */ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer( - VmaAllocator allocator, - VkBuffer buffer, - VmaAllocation allocation); + VmaAllocator VMA_NOT_NULL allocator, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE buffer, + VmaAllocation VMA_NULLABLE allocation); /// Function similar to vmaCreateBuffer(). VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( - VmaAllocator allocator, - const VkImageCreateInfo* pImageCreateInfo, - const VmaAllocationCreateInfo* pAllocationCreateInfo, - VkImage* pImage, - VmaAllocation* pAllocation, - VmaAllocationInfo* pAllocationInfo); + VmaAllocator VMA_NOT_NULL allocator, + const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, + const VmaAllocationCreateInfo* VMA_NOT_NULL pAllocationCreateInfo, + VkImage VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pImage, + VmaAllocation VMA_NULLABLE* VMA_NOT_NULL pAllocation, + VmaAllocationInfo* VMA_NULLABLE pAllocationInfo); + +/// Function similar to vmaCreateAliasingBuffer(). +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAliasingImage( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, + VkImage VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pImage); /** \brief Destroys Vulkan image and frees allocated memory. @@ -3448,9 +2395,153 @@ vmaFreeMemory(allocator, allocation); It it safe to pass null as image and/or allocation. */ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( - VmaAllocator allocator, - VkImage image, - VmaAllocation allocation); + VmaAllocator VMA_NOT_NULL allocator, + VkImage VMA_NULLABLE_NON_DISPATCHABLE image, + VmaAllocation VMA_NULLABLE allocation); + +/** @} */ + +/** +\addtogroup group_virtual +@{ +*/ + +/** \brief Creates new #VmaVirtualBlock object. + +\param pCreateInfo Parameters for creation. +\param[out] pVirtualBlock Returned virtual block object or `VMA_NULL` if creation failed. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateVirtualBlock( + const VmaVirtualBlockCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaVirtualBlock VMA_NULLABLE* VMA_NOT_NULL pVirtualBlock); + +/** \brief Destroys #VmaVirtualBlock object. + +Please note that you should consciously handle virtual allocations that could remain unfreed in the block. +You should either free them individually using vmaVirtualFree() or call vmaClearVirtualBlock() +if you are sure this is what you want. If you do neither, an assert is called. + +If you keep pointers to some additional metadata associated with your virtual allocations in their `pUserData`, +don't forget to free them. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyVirtualBlock( + VmaVirtualBlock VMA_NULLABLE virtualBlock); + +/** \brief Returns true of the #VmaVirtualBlock is empty - contains 0 virtual allocations and has all its space available for new allocations. +*/ +VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaIsVirtualBlockEmpty( + VmaVirtualBlock VMA_NOT_NULL virtualBlock); + +/** \brief Returns information about a specific virtual allocation within a virtual block, like its size and `pUserData` pointer. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualAllocationInfo( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo); + +/** \brief Allocates new virtual allocation inside given #VmaVirtualBlock. + +If the allocation fails due to not enough free space available, `VK_ERROR_OUT_OF_DEVICE_MEMORY` is returned +(despite the function doesn't ever allocate actual GPU memory). +`pAllocation` is then set to `VK_NULL_HANDLE` and `pOffset`, if not null, it set to `UINT64_MAX`. + +\param virtualBlock Virtual block +\param pCreateInfo Parameters for the allocation +\param[out] pAllocation Returned handle of the new allocation +\param[out] pOffset Returned offset of the new allocation. Optional, can be null. +*/ +VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + const VmaVirtualAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pAllocation, + VkDeviceSize* VMA_NULLABLE pOffset); + +/** \brief Frees virtual allocation inside given #VmaVirtualBlock. + +It is correct to call this function with `allocation == VK_NULL_HANDLE` - it does nothing. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE allocation); + +/** \brief Frees all virtual allocations inside given #VmaVirtualBlock. + +You must either call this function or free each virtual allocation individually with vmaVirtualFree() +before destroying a virtual block. Otherwise, an assert is called. + +If you keep pointer to some additional metadata associated with your virtual allocation in its `pUserData`, +don't forget to free it as well. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaClearVirtualBlock( + VmaVirtualBlock VMA_NOT_NULL virtualBlock); + +/** \brief Changes custom pointer associated with given virtual allocation. +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaSetVirtualAllocationUserData( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, + void* VMA_NULLABLE pUserData); + +/** \brief Calculates and returns statistics about virtual allocations and memory usage in given #VmaVirtualBlock. + +This function is fast to call. For more detailed statistics, see vmaCalculateVirtualBlockStatistics(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualBlockStatistics( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaStatistics* VMA_NOT_NULL pStats); + +/** \brief Calculates and returns detailed statistics about virtual allocations and memory usage in given #VmaVirtualBlock. + +This function is slow to call. Use for debugging purposes. +For less detailed statistics, see vmaGetVirtualBlockStatistics(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateVirtualBlockStatistics( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaDetailedStatistics* VMA_NOT_NULL pStats); + +/** @} */ + +#if VMA_STATS_STRING_ENABLED +/** +\addtogroup group_stats +@{ +*/ + +/** \brief Builds and returns a null-terminated string in JSON format with information about given #VmaVirtualBlock. +\param virtualBlock Virtual block. +\param[out] ppStatsString Returned string. +\param detailedMap Pass `VK_FALSE` to only obtain statistics as returned by vmaCalculateVirtualBlockStatistics(). Pass `VK_TRUE` to also obtain full list of allocations and free spaces. + +Returned string must be freed using vmaFreeVirtualBlockStatsString(). +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaBuildVirtualBlockStatsString( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE* VMA_NOT_NULL ppStatsString, + VkBool32 detailedMap); + +/// Frees a string returned by vmaBuildVirtualBlockStatsString(). +VMA_CALL_PRE void VMA_CALL_POST vmaFreeVirtualBlockStatsString( + VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE pStatsString); + +/** \brief Builds and returns statistics as a null-terminated string in JSON format. +\param allocator +\param[out] ppStatsString Must be freed using vmaFreeStatsString() function. +\param detailedMap +*/ +VMA_CALL_PRE void VMA_CALL_POST vmaBuildStatsString( + VmaAllocator VMA_NOT_NULL allocator, + char* VMA_NULLABLE* VMA_NOT_NULL ppStatsString, + VkBool32 detailedMap); + +VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( + VmaAllocator VMA_NOT_NULL allocator, + char* VMA_NULLABLE pStatsString); + +/** @} */ + +#endif // VMA_STATS_STRING_ENABLED + +#endif // _VMA_FUNCTION_HEADERS #ifdef __cplusplus } @@ -3458,6 +2549,14 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( #endif // AMD_VULKAN_MEMORY_ALLOCATOR_H +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +// +// IMPLEMENTATION +// +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// + // For Visual Studio IntelliSense. #if defined(__cplusplus) && defined(__INTELLISENSE__) #define VMA_IMPLEMENTATION @@ -3466,9 +2565,35 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( #ifdef VMA_IMPLEMENTATION #undef VMA_IMPLEMENTATION +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-variable" +#pragma GCC diagnostic ignored "-Wunused-parameter" +#pragma GCC diagnostic ignored "-Wmissing-field-initializers" +#pragma GCC diagnostic ignored "-Wparentheses" +#pragma GCC diagnostic ignored "-Wimplicit-fallthrough" +#elif defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wunused-variable" +#pragma clang diagnostic ignored "-Wunused-parameter" +#pragma clang diagnostic ignored "-Wmissing-field-initializers" +#pragma clang diagnostic ignored "-Wparentheses" +#pragma clang diagnostic ignored "-Wimplicit-fallthrough" +#pragma clang diagnostic ignored "-Wnullability-completeness" +#endif + #include <cstdint> #include <cstdlib> #include <cstring> +#include <utility> +#include <type_traits> + +#ifdef _MSC_VER + #include <intrin.h> // For functions like __popcnt, _BitScanForward etc. +#endif +#if __cplusplus >= 202002L || _MSVC_LANG >= 202002L // C++20 + #include <bit> // For std::popcount +#endif /******************************************************************************* CONFIGURATION SECTION @@ -3476,33 +2601,30 @@ CONFIGURATION SECTION Define some of these macros before each #include of this header or change them here if you need other then default behavior depending on your environment. */ +#ifndef _VMA_CONFIGURATION /* Define this macro to 1 to make the library fetch pointers to Vulkan functions internally, like: vulkanFunctions.vkAllocateMemory = &vkAllocateMemory; - -Define to 0 if you are going to provide you own pointers to Vulkan functions via -VmaAllocatorCreateInfo::pVulkanFunctions. */ #if !defined(VMA_STATIC_VULKAN_FUNCTIONS) && !defined(VK_NO_PROTOTYPES) -#define VMA_STATIC_VULKAN_FUNCTIONS 1 + #define VMA_STATIC_VULKAN_FUNCTIONS 1 #endif -// Define this macro to 1 to make the library use STL containers instead of its own implementation. -//#define VMA_USE_STL_CONTAINERS 1 +/* +Define this macro to 1 to make the library fetch pointers to Vulkan functions +internally, like: -/* Set this macro to 1 to make the library including and using STL containers: -std::pair, std::vector, std::list, std::unordered_map. + vulkanFunctions.vkAllocateMemory = (PFN_vkAllocateMemory)vkGetDeviceProcAddr(device, "vkAllocateMemory"); -Set it to 0 or undefined to make the library using its own implementation of -the containers. +To use this feature in new versions of VMA you now have to pass +VmaVulkanFunctions::vkGetInstanceProcAddr and vkGetDeviceProcAddr as +VmaAllocatorCreateInfo::pVulkanFunctions. Other members can be null. */ -#if VMA_USE_STL_CONTAINERS - #define VMA_USE_STL_VECTOR 1 - #define VMA_USE_STL_UNORDERED_MAP 1 - #define VMA_USE_STL_LIST 1 +#if !defined(VMA_DYNAMIC_VULKAN_FUNCTIONS) + #define VMA_DYNAMIC_VULKAN_FUNCTIONS 1 #endif #ifndef VMA_USE_STL_SHARED_MUTEX @@ -3510,8 +2632,7 @@ the containers. #if __cplusplus >= 201703L #define VMA_USE_STL_SHARED_MUTEX 1 // Visual studio defines __cplusplus properly only when passed additional parameter: /Zc:__cplusplus - // Otherwise it's always 199711L, despite shared_mutex works since Visual Studio 2015 Update 2. - // See: https://blogs.msdn.microsoft.com/vcblog/2018/04/09/msvc-now-correctly-reports-__cplusplus/ + // Otherwise it is always 199711L, despite shared_mutex works since Visual Studio 2015 Update 2. #elif defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023918 && __cplusplus == 199711L && _MSVC_LANG >= 201703L #define VMA_USE_STL_SHARED_MUTEX 1 #else @@ -3520,28 +2641,33 @@ the containers. #endif /* -THESE INCLUDES ARE NOT ENABLED BY DEFAULT. -Library has its own container implementation. -*/ -#if VMA_USE_STL_VECTOR - #include <vector> -#endif +Define this macro to include custom header files without having to edit this file directly, e.g.: -#if VMA_USE_STL_UNORDERED_MAP - #include <unordered_map> -#endif + // Inside of "my_vma_configuration_user_includes.h": -#if VMA_USE_STL_LIST - #include <list> -#endif + #include "my_custom_assert.h" // for MY_CUSTOM_ASSERT + #include "my_custom_min.h" // for my_custom_min + #include <algorithm> + #include <mutex> -/* -Following headers are used in this CONFIGURATION section only, so feel free to + // Inside a different file, which includes "vk_mem_alloc.h": + + #define VMA_CONFIGURATION_USER_INCLUDES_H "my_vma_configuration_user_includes.h" + #define VMA_ASSERT(expr) MY_CUSTOM_ASSERT(expr) + #define VMA_MIN(v1, v2) (my_custom_min(v1, v2)) + #include "vk_mem_alloc.h" + ... + +The following headers are used in this CONFIGURATION section only, so feel free to remove them if not needed. */ -#include <cassert> // for assert -#include <algorithm> // for min, max -#include <mutex> +#if !defined(VMA_CONFIGURATION_USER_INCLUDES_H) + #include <cassert> // for assert + #include <algorithm> // for min, max + #include <mutex> +#else + #include VMA_CONFIGURATION_USER_INCLUDES_H +#endif #ifndef VMA_NULL // Value used as null pointer. Define it to e.g.: nullptr, NULL, 0, (void*)0. @@ -3550,7 +2676,7 @@ remove them if not needed. #if defined(__ANDROID_API__) && (__ANDROID_API__ < 16) #include <cstdlib> -void *aligned_alloc(size_t alignment, size_t size) +static void* vma_aligned_alloc(size_t alignment, size_t size) { // alignment must be >= sizeof(void*) if(alignment < sizeof(void*)) @@ -3560,12 +2686,30 @@ void *aligned_alloc(size_t alignment, size_t size) return memalign(alignment, size); } -#elif defined(__APPLE__) +#elif defined(__APPLE__) || defined(__ANDROID__) || (defined(__linux__) && defined(__GLIBCXX__) && !defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)) #include <cstdlib> -// aligned_alloc() is marked as macOS 10.15 only in the 10.15 SDK, -// avoid the mess by using a different name -void *vma_aligned_alloc(size_t alignment, size_t size) -{ + +#if defined(__APPLE__) +#include <AvailabilityMacros.h> +#endif + +static void* vma_aligned_alloc(size_t alignment, size_t size) +{ + // Unfortunately, aligned_alloc causes VMA to crash due to it returning null pointers. (At least under 11.4) + // Therefore, for now disable this specific exception until a proper solution is found. + //#if defined(__APPLE__) && (defined(MAC_OS_X_VERSION_10_16) || defined(__IPHONE_14_0)) + //#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_16 || __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_14_0 + // // For C++14, usr/include/malloc/_malloc.h declares aligned_alloc()) only + // // with the MacOSX11.0 SDK in Xcode 12 (which is what adds + // // MAC_OS_X_VERSION_10_16), even though the function is marked + // // availabe for 10.15. That is why the preprocessor checks for 10.16 but + // // the __builtin_available checks for 10.15. + // // People who use C++17 could call aligned_alloc with the 10.15 SDK already. + // if (__builtin_available(macOS 10.15, iOS 13, *)) + // return aligned_alloc(alignment, size); + //#endif + //#endif + // alignment must be >= sizeof(void*) if(alignment < sizeof(void*)) { @@ -3577,20 +2721,27 @@ void *vma_aligned_alloc(size_t alignment, size_t size) return pointer; return VMA_NULL; } -#elif defined(__ANDROID__) || (defined(__linux__) && defined(__GLIBCXX__) && !defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)) -#include <cstdlib> -void *aligned_alloc(size_t alignment, size_t size) +#elif defined(_WIN32) +static void* vma_aligned_alloc(size_t alignment, size_t size) { - // alignment must be >= sizeof(void*) - if(alignment < sizeof(void*)) - { - alignment = sizeof(void*); - } + return _aligned_malloc(size, alignment); +} +#else +static void* vma_aligned_alloc(size_t alignment, size_t size) +{ + return aligned_alloc(alignment, size); +} +#endif - void *pointer; - if(posix_memalign(&pointer, alignment, size) == 0) - return pointer; - return VMA_NULL; +#if defined(_WIN32) +static void vma_aligned_free(void* ptr) +{ + _aligned_free(ptr); +} +#else +static void vma_aligned_free(void* VMA_NULLABLE ptr) +{ + free(ptr); } #endif @@ -3601,20 +2752,20 @@ void *aligned_alloc(size_t alignment, size_t size) // Normal assert to check for programmer's errors, especially in Debug configuration. #ifndef VMA_ASSERT - #ifdef _DEBUG - #define VMA_ASSERT(expr) assert(expr) - #else + #ifdef NDEBUG #define VMA_ASSERT(expr) + #else + #define VMA_ASSERT(expr) assert(expr) #endif #endif // Assert that will be called very often, like inside data structures e.g. operator[]. // Making it non-empty can make program slow. #ifndef VMA_HEAVY_ASSERT - #ifdef _DEBUG - #define VMA_HEAVY_ASSERT(expr) //VMA_ASSERT(expr) - #else + #ifdef NDEBUG #define VMA_HEAVY_ASSERT(expr) + #else + #define VMA_HEAVY_ASSERT(expr) //VMA_ASSERT(expr) #endif #endif @@ -3623,29 +2774,39 @@ void *aligned_alloc(size_t alignment, size_t size) #endif #ifndef VMA_SYSTEM_ALIGNED_MALLOC - #if defined(_WIN32) - #define VMA_SYSTEM_ALIGNED_MALLOC(size, alignment) (_aligned_malloc((size), (alignment))) - #elif defined(__APPLE__) - #define VMA_SYSTEM_ALIGNED_MALLOC(size, alignment) (vma_aligned_alloc((alignment), (size) )) - #else - #define VMA_SYSTEM_ALIGNED_MALLOC(size, alignment) (aligned_alloc((alignment), (size) )) - #endif + #define VMA_SYSTEM_ALIGNED_MALLOC(size, alignment) vma_aligned_alloc((alignment), (size)) #endif -#ifndef VMA_SYSTEM_FREE - #if defined(_WIN32) - #define VMA_SYSTEM_FREE(ptr) _aligned_free(ptr) +#ifndef VMA_SYSTEM_ALIGNED_FREE + // VMA_SYSTEM_FREE is the old name, but might have been defined by the user + #if defined(VMA_SYSTEM_FREE) + #define VMA_SYSTEM_ALIGNED_FREE(ptr) VMA_SYSTEM_FREE(ptr) #else - #define VMA_SYSTEM_FREE(ptr) free(ptr) - #endif + #define VMA_SYSTEM_ALIGNED_FREE(ptr) vma_aligned_free(ptr) + #endif +#endif + +#ifndef VMA_COUNT_BITS_SET + // Returns number of bits set to 1 in (v) + #define VMA_COUNT_BITS_SET(v) VmaCountBitsSet(v) +#endif + +#ifndef VMA_BITSCAN_LSB + // Scans integer for index of first nonzero value from the Least Significant Bit (LSB). If mask is 0 then returns UINT8_MAX + #define VMA_BITSCAN_LSB(mask) VmaBitScanLSB(mask) +#endif + +#ifndef VMA_BITSCAN_MSB + // Scans integer for index of first nonzero value from the Most Significant Bit (MSB). If mask is 0 then returns UINT8_MAX + #define VMA_BITSCAN_MSB(mask) VmaBitScanMSB(mask) #endif #ifndef VMA_MIN - #define VMA_MIN(v1, v2) (std::min((v1), (v2))) + #define VMA_MIN(v1, v2) ((std::min)((v1), (v2))) #endif #ifndef VMA_MAX - #define VMA_MAX(v1, v2) (std::max((v1), (v2))) + #define VMA_MAX(v1, v2) ((std::max)((v1), (v2))) #endif #ifndef VMA_SWAP @@ -3668,15 +2829,15 @@ void *aligned_alloc(size_t alignment, size_t size) // Define this macro to 1 to enable functions: vmaBuildStatsString, vmaFreeStatsString. #if VMA_STATS_STRING_ENABLED - static inline void VmaUint32ToStr(char* outStr, size_t strLen, uint32_t num) + static inline void VmaUint32ToStr(char* VMA_NOT_NULL outStr, size_t strLen, uint32_t num) { snprintf(outStr, strLen, "%u", static_cast<unsigned int>(num)); } - static inline void VmaUint64ToStr(char* outStr, size_t strLen, uint64_t num) + static inline void VmaUint64ToStr(char* VMA_NOT_NULL outStr, size_t strLen, uint64_t num) { snprintf(outStr, strLen, "%llu", static_cast<unsigned long long>(num)); } - static inline void VmaPtrToStr(char* outStr, size_t strLen, const void* ptr) + static inline void VmaPtrToStr(char* VMA_NOT_NULL outStr, size_t strLen, const void* ptr) { snprintf(outStr, strLen, "%p", ptr); } @@ -3688,6 +2849,7 @@ void *aligned_alloc(size_t alignment, size_t size) public: void Lock() { m_Mutex.lock(); } void Unlock() { m_Mutex.unlock(); } + bool TryLock() { return m_Mutex.try_lock(); } private: std::mutex m_Mutex; }; @@ -3704,8 +2866,10 @@ void *aligned_alloc(size_t alignment, size_t size) public: void LockRead() { m_Mutex.lock_shared(); } void UnlockRead() { m_Mutex.unlock_shared(); } + bool TryLockRead() { return m_Mutex.try_lock_shared(); } void LockWrite() { m_Mutex.lock(); } void UnlockWrite() { m_Mutex.unlock(); } + bool TryLockWrite() { return m_Mutex.try_lock(); } private: std::shared_mutex m_Mutex; }; @@ -3719,8 +2883,10 @@ void *aligned_alloc(size_t alignment, size_t size) VmaRWMutex() { InitializeSRWLock(&m_Lock); } void LockRead() { AcquireSRWLockShared(&m_Lock); } void UnlockRead() { ReleaseSRWLockShared(&m_Lock); } + bool TryLockRead() { return TryAcquireSRWLockShared(&m_Lock) != FALSE; } void LockWrite() { AcquireSRWLockExclusive(&m_Lock); } void UnlockWrite() { ReleaseSRWLockExclusive(&m_Lock); } + bool TryLockWrite() { return TryAcquireSRWLockExclusive(&m_Lock) != FALSE; } private: SRWLOCK m_Lock; }; @@ -3732,8 +2898,10 @@ void *aligned_alloc(size_t alignment, size_t size) public: void LockRead() { m_Mutex.Lock(); } void UnlockRead() { m_Mutex.Unlock(); } + bool TryLockRead() { return m_Mutex.TryLock(); } void LockWrite() { m_Mutex.Lock(); } void UnlockWrite() { m_Mutex.Unlock(); } + bool TryLockWrite() { return m_Mutex.TryLock(); } private: VMA_MUTEX m_Mutex; }; @@ -3762,17 +2930,21 @@ If providing your own implementation, you need to implement a subset of std::ato #define VMA_DEBUG_ALWAYS_DEDICATED_MEMORY (0) #endif -#ifndef VMA_DEBUG_ALIGNMENT +#ifndef VMA_MIN_ALIGNMENT /** Minimum alignment of all allocations, in bytes. - Set to more than 1 for debugging purposes only. Must be power of two. + Set to more than 1 for debugging purposes. Must be power of two. */ - #define VMA_DEBUG_ALIGNMENT (1) + #ifdef VMA_DEBUG_ALIGNMENT // Old name + #define VMA_MIN_ALIGNMENT VMA_DEBUG_ALIGNMENT + #else + #define VMA_MIN_ALIGNMENT (1) + #endif #endif #ifndef VMA_DEBUG_MARGIN /** - Minimum margin before and after every allocation, in bytes. + Minimum margin after every allocation, in bytes. Set nonzero for debugging purposes only. */ #define VMA_DEBUG_MARGIN (0) @@ -3789,7 +2961,7 @@ If providing your own implementation, you need to implement a subset of std::ato #ifndef VMA_DEBUG_DETECT_CORRUPTION /** Define this macro to 1 together with non-zero value of VMA_DEBUG_MARGIN to - enable writing magic value to the margin before and after every allocation and + enable writing magic value to the margin after every allocation and validating it, so that memory corruptions (out-of-bounds writes) are detected. */ #define VMA_DEBUG_DETECT_CORRUPTION (0) @@ -3811,6 +2983,14 @@ If providing your own implementation, you need to implement a subset of std::ato #define VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY (1) #endif +#ifndef VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT + /* + Set this to 1 to make VMA never exceed VkPhysicalDeviceLimits::maxMemoryAllocationCount + and return error instead of leaving up to Vulkan implementation what to do in such cases. + */ + #define VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT (0) +#endif + #ifndef VMA_SMALL_HEAP_MAX_SIZE /// Maximum size of a memory heap in Vulkan to consider it "small". #define VMA_SMALL_HEAP_MAX_SIZE (1024ull * 1024 * 1024) @@ -3821,6 +3001,17 @@ If providing your own implementation, you need to implement a subset of std::ato #define VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE (256ull * 1024 * 1024) #endif +/* +Mapping hysteresis is a logic that launches when vmaMapMemory/vmaUnmapMemory is called +or a persistently mapped allocation is created and destroyed several times in a row. +It keeps additional +1 mapping of a device memory block to prevent calling actual +vkMapMemory/vkUnmapMemory too many times, which may improve performance and help +tools like RenderDOc. +*/ +#ifndef VMA_MAPPING_HYSTERESIS_ENABLED + #define VMA_MAPPING_HYSTERESIS_ENABLED 1 +#endif + #ifndef VMA_CLASS_NO_COPY #define VMA_CLASS_NO_COPY(className) \ private: \ @@ -3828,71 +3019,330 @@ If providing your own implementation, you need to implement a subset of std::ato className& operator=(const className&) = delete; #endif -static const uint32_t VMA_FRAME_INDEX_LOST = UINT32_MAX; - -// Decimal 2139416166, float NaN, little-endian binary 66 E6 84 7F. -static const uint32_t VMA_CORRUPTION_DETECTION_MAGIC_VALUE = 0x7F84E666; - -static const uint8_t VMA_ALLOCATION_FILL_PATTERN_CREATED = 0xDC; -static const uint8_t VMA_ALLOCATION_FILL_PATTERN_DESTROYED = 0xEF; +#define VMA_VALIDATE(cond) do { if(!(cond)) { \ + VMA_ASSERT(0 && "Validation failed: " #cond); \ + return false; \ + } } while(false) /******************************************************************************* END OF CONFIGURATION */ +#endif // _VMA_CONFIGURATION + +static const uint8_t VMA_ALLOCATION_FILL_PATTERN_CREATED = 0xDC; +static const uint8_t VMA_ALLOCATION_FILL_PATTERN_DESTROYED = 0xEF; +// Decimal 2139416166, float NaN, little-endian binary 66 E6 84 7F. +static const uint32_t VMA_CORRUPTION_DETECTION_MAGIC_VALUE = 0x7F84E666; + +// Copy of some Vulkan definitions so we don't need to check their existence just to handle few constants. +static const uint32_t VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY = 0x00000040; +static const uint32_t VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY = 0x00000080; +static const uint32_t VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY = 0x00020000; +static const uint32_t VK_IMAGE_CREATE_DISJOINT_BIT_COPY = 0x00000200; +static const int32_t VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT_COPY = 1000158000; static const uint32_t VMA_ALLOCATION_INTERNAL_STRATEGY_MIN_OFFSET = 0x10000000u; +static const uint32_t VMA_ALLOCATION_TRY_COUNT = 32; +static const uint32_t VMA_VENDOR_ID_AMD = 4098; + +// This one is tricky. Vulkan specification defines this code as available since +// Vulkan 1.0, but doesn't actually define it in Vulkan SDK earlier than 1.2.131. +// See pull request #207. +#define VK_ERROR_UNKNOWN_COPY ((VkResult)-13) + + +#if VMA_STATS_STRING_ENABLED +// Correspond to values of enum VmaSuballocationType. +static const char* VMA_SUBALLOCATION_TYPE_NAMES[] = +{ + "FREE", + "UNKNOWN", + "BUFFER", + "IMAGE_UNKNOWN", + "IMAGE_LINEAR", + "IMAGE_OPTIMAL", +}; +#endif + +static VkAllocationCallbacks VmaEmptyAllocationCallbacks = + { VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL }; -static VkAllocationCallbacks VmaEmptyAllocationCallbacks = { - VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL, VMA_NULL }; -// Returns number of bits set to 1 in (v). +#ifndef _VMA_ENUM_DECLARATIONS + +enum VmaSuballocationType +{ + VMA_SUBALLOCATION_TYPE_FREE = 0, + VMA_SUBALLOCATION_TYPE_UNKNOWN = 1, + VMA_SUBALLOCATION_TYPE_BUFFER = 2, + VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN = 3, + VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR = 4, + VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL = 5, + VMA_SUBALLOCATION_TYPE_MAX_ENUM = 0x7FFFFFFF +}; + +enum VMA_CACHE_OPERATION +{ + VMA_CACHE_FLUSH, + VMA_CACHE_INVALIDATE +}; + +enum class VmaAllocationRequestType +{ + Normal, + TLSF, + // Used by "Linear" algorithm. + UpperAddress, + EndOf1st, + EndOf2nd, +}; + +#endif // _VMA_ENUM_DECLARATIONS + +#ifndef _VMA_FORWARD_DECLARATIONS +// Opaque handle used by allocation algorithms to identify single allocation in any conforming way. +VK_DEFINE_NON_DISPATCHABLE_HANDLE(VmaAllocHandle); + +struct VmaMutexLock; +struct VmaMutexLockRead; +struct VmaMutexLockWrite; + +template<typename T> +struct AtomicTransactionalIncrement; + +template<typename T> +struct VmaStlAllocator; + +template<typename T, typename AllocatorT> +class VmaVector; + +template<typename T, typename AllocatorT, size_t N> +class VmaSmallVector; + +template<typename T> +class VmaPoolAllocator; + +template<typename T> +struct VmaListItem; + +template<typename T> +class VmaRawList; + +template<typename T, typename AllocatorT> +class VmaList; + +template<typename ItemTypeTraits> +class VmaIntrusiveLinkedList; + +// Unused in this version +#if 0 +template<typename T1, typename T2> +struct VmaPair; +template<typename FirstT, typename SecondT> +struct VmaPairFirstLess; + +template<typename KeyT, typename ValueT> +class VmaMap; +#endif + +#if VMA_STATS_STRING_ENABLED +class VmaStringBuilder; +class VmaJsonWriter; +#endif + +class VmaDeviceMemoryBlock; + +struct VmaDedicatedAllocationListItemTraits; +class VmaDedicatedAllocationList; + +struct VmaSuballocation; +struct VmaSuballocationOffsetLess; +struct VmaSuballocationOffsetGreater; +struct VmaSuballocationItemSizeLess; + +typedef VmaList<VmaSuballocation, VmaStlAllocator<VmaSuballocation>> VmaSuballocationList; + +struct VmaAllocationRequest; + +class VmaBlockMetadata; +class VmaBlockMetadata_Linear; +class VmaBlockMetadata_TLSF; + +class VmaBlockVector; + +struct VmaPoolListItemTraits; + +struct VmaCurrentBudgetData; + +class VmaAllocationObjectAllocator; + +#endif // _VMA_FORWARD_DECLARATIONS + + +#ifndef _VMA_FUNCTIONS + +/* +Returns number of bits set to 1 in (v). + +On specific platforms and compilers you can use instrinsics like: + +Visual Studio: + return __popcnt(v); +GCC, Clang: + return static_cast<uint32_t>(__builtin_popcount(v)); + +Define macro VMA_COUNT_BITS_SET to provide your optimized implementation. +But you need to check in runtime whether user's CPU supports these, as some old processors don't. +*/ static inline uint32_t VmaCountBitsSet(uint32_t v) { - uint32_t c = v - ((v >> 1) & 0x55555555); - c = ((c >> 2) & 0x33333333) + (c & 0x33333333); - c = ((c >> 4) + c) & 0x0F0F0F0F; - c = ((c >> 8) + c) & 0x00FF00FF; - c = ((c >> 16) + c) & 0x0000FFFF; - return c; +#if __cplusplus >= 202002L || _MSVC_LANG >= 202002L // C++20 + return std::popcount(v); +#else + uint32_t c = v - ((v >> 1) & 0x55555555); + c = ((c >> 2) & 0x33333333) + (c & 0x33333333); + c = ((c >> 4) + c) & 0x0F0F0F0F; + c = ((c >> 8) + c) & 0x00FF00FF; + c = ((c >> 16) + c) & 0x0000FFFF; + return c; +#endif +} + +static inline uint8_t VmaBitScanLSB(uint64_t mask) +{ +#if defined(_MSC_VER) && defined(_WIN64) + unsigned long pos; + if (_BitScanForward64(&pos, mask)) + return static_cast<uint8_t>(pos); + return UINT8_MAX; +#elif defined __GNUC__ || defined __clang__ + return static_cast<uint8_t>(__builtin_ffsll(mask)) - 1U; +#else + uint8_t pos = 0; + uint64_t bit = 1; + do + { + if (mask & bit) + return pos; + bit <<= 1; + } while (pos++ < 63); + return UINT8_MAX; +#endif +} + +static inline uint8_t VmaBitScanLSB(uint32_t mask) +{ +#ifdef _MSC_VER + unsigned long pos; + if (_BitScanForward(&pos, mask)) + return static_cast<uint8_t>(pos); + return UINT8_MAX; +#elif defined __GNUC__ || defined __clang__ + return static_cast<uint8_t>(__builtin_ffs(mask)) - 1U; +#else + uint8_t pos = 0; + uint32_t bit = 1; + do + { + if (mask & bit) + return pos; + bit <<= 1; + } while (pos++ < 31); + return UINT8_MAX; +#endif +} + +static inline uint8_t VmaBitScanMSB(uint64_t mask) +{ +#if defined(_MSC_VER) && defined(_WIN64) + unsigned long pos; + if (_BitScanReverse64(&pos, mask)) + return static_cast<uint8_t>(pos); +#elif defined __GNUC__ || defined __clang__ + if (mask) + return 63 - static_cast<uint8_t>(__builtin_clzll(mask)); +#else + uint8_t pos = 63; + uint64_t bit = 1ULL << 63; + do + { + if (mask & bit) + return pos; + bit >>= 1; + } while (pos-- > 0); +#endif + return UINT8_MAX; +} + +static inline uint8_t VmaBitScanMSB(uint32_t mask) +{ +#ifdef _MSC_VER + unsigned long pos; + if (_BitScanReverse(&pos, mask)) + return static_cast<uint8_t>(pos); +#elif defined __GNUC__ || defined __clang__ + if (mask) + return 31 - static_cast<uint8_t>(__builtin_clz(mask)); +#else + uint8_t pos = 31; + uint32_t bit = 1UL << 31; + do + { + if (mask & bit) + return pos; + bit >>= 1; + } while (pos-- > 0); +#endif + return UINT8_MAX; +} + +/* +Returns true if given number is a power of two. +T must be unsigned integer number or signed integer but always nonnegative. +For 0 returns true. +*/ +template <typename T> +inline bool VmaIsPow2(T x) +{ + return (x & (x - 1)) == 0; } // Aligns given value up to nearest multiply of align value. For example: VmaAlignUp(11, 8) = 16. // Use types like uint32_t, uint64_t as T. template <typename T> -static inline T VmaAlignUp(T val, T align) +static inline T VmaAlignUp(T val, T alignment) { - return (val + align - 1) / align * align; + VMA_HEAVY_ASSERT(VmaIsPow2(alignment)); + return (val + alignment - 1) & ~(alignment - 1); } + // Aligns given value down to nearest multiply of align value. For example: VmaAlignUp(11, 8) = 8. // Use types like uint32_t, uint64_t as T. template <typename T> -static inline T VmaAlignDown(T val, T align) +static inline T VmaAlignDown(T val, T alignment) { - return val / align * align; + VMA_HEAVY_ASSERT(VmaIsPow2(alignment)); + return val & ~(alignment - 1); } // Division with mathematical rounding to nearest number. template <typename T> static inline T VmaRoundDiv(T x, T y) { - return (x + (y / (T)2)) / y; + return (x + (y / (T)2)) / y; } -/* -Returns true if given number is a power of two. -T must be unsigned integer number or signed integer but always nonnegative. -For 0 returns true. -*/ +// Divide by 'y' and round up to nearest integer. template <typename T> -inline bool VmaIsPow2(T x) +static inline T VmaDivideRoundingUp(T x, T y) { - return (x & (x-1)) == 0; + return (x + y - (T)1) / y; } // Returns smallest power of 2 greater or equal to v. static inline uint32_t VmaNextPow2(uint32_t v) { - v--; + v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; @@ -3901,9 +3351,10 @@ static inline uint32_t VmaNextPow2(uint32_t v) v++; return v; } + static inline uint64_t VmaNextPow2(uint64_t v) { - v--; + v--; v |= v >> 1; v |= v >> 2; v |= v >> 4; @@ -3925,6 +3376,7 @@ static inline uint32_t VmaPrevPow2(uint32_t v) v = v ^ (v >> 1); return v; } + static inline uint64_t VmaPrevPow2(uint64_t v) { v |= v >> 1; @@ -3942,66 +3394,6 @@ static inline bool VmaStrIsEmpty(const char* pStr) return pStr == VMA_NULL || *pStr == '\0'; } -#if VMA_STATS_STRING_ENABLED - -static const char* VmaAlgorithmToStr(uint32_t algorithm) -{ - switch(algorithm) - { - case VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT: - return "Linear"; - case VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT: - return "Buddy"; - case 0: - return "Default"; - default: - VMA_ASSERT(0); - return ""; - } -} - -#endif // #if VMA_STATS_STRING_ENABLED - -#ifndef VMA_SORT - -template<typename Iterator, typename Compare> -Iterator VmaQuickSortPartition(Iterator beg, Iterator end, Compare cmp) -{ - Iterator centerValue = end; --centerValue; - Iterator insertIndex = beg; - for(Iterator memTypeIndex = beg; memTypeIndex < centerValue; ++memTypeIndex) - { - if(cmp(*memTypeIndex, *centerValue)) - { - if(insertIndex != memTypeIndex) - { - VMA_SWAP(*memTypeIndex, *insertIndex); - } - ++insertIndex; - } - } - if(insertIndex != centerValue) - { - VMA_SWAP(*insertIndex, *centerValue); - } - return insertIndex; -} - -template<typename Iterator, typename Compare> -void VmaQuickSort(Iterator beg, Iterator end, Compare cmp) -{ - if(beg < end) - { - Iterator it = VmaQuickSortPartition<Iterator, Compare>(beg, end, cmp); - VmaQuickSort<Iterator, Compare>(beg, it, cmp); - VmaQuickSort<Iterator, Compare>(it + 1, end, cmp); - } -} - -#define VMA_SORT(beg, end, cmp) VmaQuickSort(beg, end, cmp) - -#endif // #ifndef VMA_SORT - /* Returns true if two memory blocks occupy overlapping pages. ResourceA must be in less memory offset than ResourceB. @@ -4023,17 +3415,6 @@ static inline bool VmaBlocksOnSamePage( return resourceAEndPage == resourceBStartPage; } -enum VmaSuballocationType -{ - VMA_SUBALLOCATION_TYPE_FREE = 0, - VMA_SUBALLOCATION_TYPE_UNKNOWN = 1, - VMA_SUBALLOCATION_TYPE_BUFFER = 2, - VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN = 3, - VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR = 4, - VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL = 5, - VMA_SUBALLOCATION_TYPE_MAX_ENUM = 0x7FFFFFFF -}; - /* Returns true if given suballocation types could conflict and must respect VkPhysicalDeviceLimits::bufferImageGranularity. They conflict if one is buffer @@ -4044,12 +3425,12 @@ static inline bool VmaIsBufferImageGranularityConflict( VmaSuballocationType suballocType1, VmaSuballocationType suballocType2) { - if(suballocType1 > suballocType2) + if (suballocType1 > suballocType2) { VMA_SWAP(suballocType1, suballocType2); } - - switch(suballocType1) + + switch (suballocType1) { case VMA_SUBALLOCATION_TYPE_FREE: return false; @@ -4080,14 +3461,12 @@ static void VmaWriteMagicValue(void* pData, VkDeviceSize offset) #if VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_DETECT_CORRUPTION uint32_t* pDst = (uint32_t*)((char*)pData + offset); const size_t numberCount = VMA_DEBUG_MARGIN / sizeof(uint32_t); - for(size_t i = 0; i != numberCount; ++i, ++pDst) + for (size_t i = 0; i < numberCount; ++i, ++pDst) { *pDst = VMA_CORRUPTION_DETECTION_MAGIC_VALUE; } #else // no-op - (void) pData; - (void) offset; #endif } @@ -4096,16 +3475,13 @@ static bool VmaValidateMagicValue(const void* pData, VkDeviceSize offset) #if VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_DETECT_CORRUPTION const uint32_t* pSrc = (const uint32_t*)((const char*)pData + offset); const size_t numberCount = VMA_DEBUG_MARGIN / sizeof(uint32_t); - for(size_t i = 0; i != numberCount; ++i, ++pSrc) + for (size_t i = 0; i < numberCount; ++i, ++pSrc) { - if(*pSrc != VMA_CORRUPTION_DETECTION_MAGIC_VALUE) + if (*pSrc != VMA_CORRUPTION_DETECTION_MAGIC_VALUE) { return false; } } -#else - (void) pData; - (void) offset; #endif return true; } @@ -4122,55 +3498,6 @@ static void VmaFillGpuDefragmentationBufferCreateInfo(VkBufferCreateInfo& outBuf outBufCreateInfo.size = (VkDeviceSize)VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE; // Example size. } -// Helper RAII class to lock a mutex in constructor and unlock it in destructor (at the end of scope). -struct VmaMutexLock -{ - VMA_CLASS_NO_COPY(VmaMutexLock) -public: - VmaMutexLock(VMA_MUTEX& mutex, bool useMutex = true) : - m_pMutex(useMutex ? &mutex : VMA_NULL) - { if(m_pMutex) { m_pMutex->Lock(); } } - ~VmaMutexLock() - { if(m_pMutex) { m_pMutex->Unlock(); } } -private: - VMA_MUTEX* m_pMutex; -}; - -// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for reading. -struct VmaMutexLockRead -{ - VMA_CLASS_NO_COPY(VmaMutexLockRead) -public: - VmaMutexLockRead(VMA_RW_MUTEX& mutex, bool useMutex) : - m_pMutex(useMutex ? &mutex : VMA_NULL) - { if(m_pMutex) { m_pMutex->LockRead(); } } - ~VmaMutexLockRead() { if(m_pMutex) { m_pMutex->UnlockRead(); } } -private: - VMA_RW_MUTEX* m_pMutex; -}; - -// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for writing. -struct VmaMutexLockWrite -{ - VMA_CLASS_NO_COPY(VmaMutexLockWrite) -public: - VmaMutexLockWrite(VMA_RW_MUTEX& mutex, bool useMutex) : - m_pMutex(useMutex ? &mutex : VMA_NULL) - { if(m_pMutex) { m_pMutex->LockWrite(); } } - ~VmaMutexLockWrite() { if(m_pMutex) { m_pMutex->UnlockWrite(); } } -private: - VMA_RW_MUTEX* m_pMutex; -}; - -#if VMA_DEBUG_GLOBAL_MUTEX - static VMA_MUTEX gDebugGlobalMutex; - #define VMA_DEBUG_GLOBAL_MUTEX_LOCK VmaMutexLock debugGlobalMutexLock(gDebugGlobalMutex, true); -#else - #define VMA_DEBUG_GLOBAL_MUTEX_LOCK -#endif - -// Minimum size of a free suballocation to register it in the free suballocation collection. -static const VkDeviceSize VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER = 16; /* Performs binary search and returns iterator to first element that is greater or @@ -4182,13 +3509,13 @@ Returned value is the found element, if present in the collection or place where new element with value (key) should be inserted. */ template <typename CmpLess, typename IterT, typename KeyT> -static IterT VmaBinaryFindFirstNotLess(IterT beg, IterT end, const KeyT &key, const CmpLess& cmp) +static IterT VmaBinaryFindFirstNotLess(IterT beg, IterT end, const KeyT& key, const CmpLess& cmp) { size_t down = 0, up = (end - beg); - while(down < up) + while (down < up) { - const size_t mid = (down + up) / 2; - if(cmp(*(beg+mid), key)) + const size_t mid = down + (up - down) / 2; // Overflow-safe midpoint calculation + if (cmp(*(beg + mid), key)) { down = mid + 1; } @@ -4205,7 +3532,7 @@ IterT VmaBinaryFindSorted(const IterT& beg, const IterT& end, const KeyT& value, { IterT it = VmaBinaryFindFirstNotLess<CmpLess, IterT, KeyT>( beg, end, value, cmp); - if(it == end || + if (it == end || (!cmp(*it, value) && !cmp(value, *it))) { return it; @@ -4221,16 +3548,16 @@ T must be pointer type, e.g. VmaAllocation, VmaPool. template<typename T> static bool VmaValidatePointerArray(uint32_t count, const T* arr) { - for(uint32_t i = 0; i < count; ++i) + for (uint32_t i = 0; i < count; ++i) { const T iPtr = arr[i]; - if(iPtr == VMA_NULL) + if (iPtr == VMA_NULL) { return false; } - for(uint32_t j = i + 1; j < count; ++j) + for (uint32_t j = i + 1; j < count; ++j) { - if(iPtr == arr[j]) + if (iPtr == arr[j]) { return false; } @@ -4239,15 +3566,171 @@ static bool VmaValidatePointerArray(uint32_t count, const T* arr) return true; } +template<typename MainT, typename NewT> +static inline void VmaPnextChainPushFront(MainT* mainStruct, NewT* newStruct) +{ + newStruct->pNext = mainStruct->pNext; + mainStruct->pNext = newStruct; +} + +// This is the main algorithm that guides the selection of a memory type best for an allocation - +// converts usage to required/preferred/not preferred flags. +static bool FindMemoryPreferences( + bool isIntegratedGPU, + const VmaAllocationCreateInfo& allocCreateInfo, + VkFlags bufImgUsage, // VkBufferCreateInfo::usage or VkImageCreateInfo::usage. UINT32_MAX if unknown. + VkMemoryPropertyFlags& outRequiredFlags, + VkMemoryPropertyFlags& outPreferredFlags, + VkMemoryPropertyFlags& outNotPreferredFlags) +{ + outRequiredFlags = allocCreateInfo.requiredFlags; + outPreferredFlags = allocCreateInfo.preferredFlags; + outNotPreferredFlags = 0; + + switch(allocCreateInfo.usage) + { + case VMA_MEMORY_USAGE_UNKNOWN: + break; + case VMA_MEMORY_USAGE_GPU_ONLY: + if(!isIntegratedGPU || (outPreferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) + { + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + break; + case VMA_MEMORY_USAGE_CPU_ONLY: + outRequiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; + break; + case VMA_MEMORY_USAGE_CPU_TO_GPU: + outRequiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + if(!isIntegratedGPU || (outPreferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) + { + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + break; + case VMA_MEMORY_USAGE_GPU_TO_CPU: + outRequiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + outPreferredFlags |= VK_MEMORY_PROPERTY_HOST_CACHED_BIT; + break; + case VMA_MEMORY_USAGE_CPU_COPY: + outNotPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + break; + case VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED: + outRequiredFlags |= VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT; + break; + case VMA_MEMORY_USAGE_AUTO: + case VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE: + case VMA_MEMORY_USAGE_AUTO_PREFER_HOST: + { + if(bufImgUsage == UINT32_MAX) + { + VMA_ASSERT(0 && "VMA_MEMORY_USAGE_AUTO* values can only be used with functions like vmaCreateBuffer, vmaCreateImage so that the details of the created resource are known."); + return false; + } + // This relies on values of VK_IMAGE_USAGE_TRANSFER* being the same VK_BUFFER_IMAGE_TRANSFER*. + const bool deviceAccess = (bufImgUsage & ~(VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT)) != 0; + const bool hostAccessSequentialWrite = (allocCreateInfo.flags & VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT) != 0; + const bool hostAccessRandom = (allocCreateInfo.flags & VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT) != 0; + const bool hostAccessAllowTransferInstead = (allocCreateInfo.flags & VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT) != 0; + const bool preferDevice = allocCreateInfo.usage == VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE; + const bool preferHost = allocCreateInfo.usage == VMA_MEMORY_USAGE_AUTO_PREFER_HOST; + + // CPU random access - e.g. a buffer written to or transferred from GPU to read back on CPU. + if(hostAccessRandom) + { + if(!isIntegratedGPU && deviceAccess && hostAccessAllowTransferInstead && !preferHost) + { + // Nice if it will end up in HOST_VISIBLE, but more importantly prefer DEVICE_LOCAL. + // Omitting HOST_VISIBLE here is intentional. + // In case there is DEVICE_LOCAL | HOST_VISIBLE | HOST_CACHED, it will pick that one. + // Otherwise, this will give same weight to DEVICE_LOCAL as HOST_VISIBLE | HOST_CACHED and select the former if occurs first on the list. + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT; + } + else + { + // Always CPU memory, cached. + outRequiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT; + } + } + // CPU sequential write - may be CPU or host-visible GPU memory, uncached and write-combined. + else if(hostAccessSequentialWrite) + { + // Want uncached and write-combined. + outNotPreferredFlags |= VK_MEMORY_PROPERTY_HOST_CACHED_BIT; + + if(!isIntegratedGPU && deviceAccess && hostAccessAllowTransferInstead && !preferHost) + { + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + } + else + { + outRequiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + // Direct GPU access, CPU sequential write (e.g. a dynamic uniform buffer updated every frame) + if(deviceAccess) + { + // Could go to CPU memory or GPU BAR/unified. Up to the user to decide. If no preference, choose GPU memory. + if(preferHost) + outNotPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + else + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + // GPU no direct access, CPU sequential write (e.g. an upload buffer to be transferred to the GPU) + else + { + // Could go to CPU memory or GPU BAR/unified. Up to the user to decide. If no preference, choose CPU memory. + if(preferDevice) + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + else + outNotPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + } + } + // No CPU access + else + { + // GPU access, no CPU access (e.g. a color attachment image) - prefer GPU memory + if(deviceAccess) + { + // ...unless there is a clear preference from the user not to do so. + if(preferHost) + outNotPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + else + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + // No direct GPU access, no CPU access, just transfers. + // It may be staging copy intended for e.g. preserving image for next frame (then better GPU memory) or + // a "swap file" copy to free some GPU memory (then better CPU memory). + // Up to the user to decide. If no preferece, assume the former and choose GPU memory. + if(preferHost) + outNotPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + else + outPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + } + break; + } + default: + VMA_ASSERT(0); + } + + // Avoid DEVICE_COHERENT unless explicitly requested. + if(((allocCreateInfo.requiredFlags | allocCreateInfo.preferredFlags) & + (VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY | VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY)) == 0) + { + outNotPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY; + } + + return true; +} + //////////////////////////////////////////////////////////////////////////////// // Memory allocation static void* VmaMalloc(const VkAllocationCallbacks* pAllocationCallbacks, size_t size, size_t alignment) { - if((pAllocationCallbacks != VMA_NULL) && + void* result = VMA_NULL; + if ((pAllocationCallbacks != VMA_NULL) && (pAllocationCallbacks->pfnAllocation != VMA_NULL)) { - return (*pAllocationCallbacks->pfnAllocation)( + result = (*pAllocationCallbacks->pfnAllocation)( pAllocationCallbacks->pUserData, size, alignment, @@ -4255,20 +3738,22 @@ static void* VmaMalloc(const VkAllocationCallbacks* pAllocationCallbacks, size_t } else { - return VMA_SYSTEM_ALIGNED_MALLOC(size, alignment); + result = VMA_SYSTEM_ALIGNED_MALLOC(size, alignment); } + VMA_ASSERT(result != VMA_NULL && "CPU memory allocation failed."); + return result; } static void VmaFree(const VkAllocationCallbacks* pAllocationCallbacks, void* ptr) { - if((pAllocationCallbacks != VMA_NULL) && + if ((pAllocationCallbacks != VMA_NULL) && (pAllocationCallbacks->pfnFree != VMA_NULL)) { (*pAllocationCallbacks->pfnFree)(pAllocationCallbacks->pUserData, ptr); } else { - VMA_SYSTEM_FREE(ptr); + VMA_SYSTEM_ALIGNED_FREE(ptr); } } @@ -4298,9 +3783,9 @@ static void vma_delete(const VkAllocationCallbacks* pAllocationCallbacks, T* ptr template<typename T> static void vma_delete_array(const VkAllocationCallbacks* pAllocationCallbacks, T* ptr, size_t count) { - if(ptr != VMA_NULL) + if (ptr != VMA_NULL) { - for(size_t i = count; i--; ) + for (size_t i = count; i--; ) { ptr[i].~T(); } @@ -4310,41 +3795,224 @@ static void vma_delete_array(const VkAllocationCallbacks* pAllocationCallbacks, static char* VmaCreateStringCopy(const VkAllocationCallbacks* allocs, const char* srcStr) { - if(srcStr != VMA_NULL) + if (srcStr != VMA_NULL) { const size_t len = strlen(srcStr); char* const result = vma_new_array(allocs, char, len + 1); memcpy(result, srcStr, len + 1); return result; } - else + return VMA_NULL; +} + +#if VMA_STATS_STRING_ENABLED +static char* VmaCreateStringCopy(const VkAllocationCallbacks* allocs, const char* srcStr, size_t strLen) +{ + if (srcStr != VMA_NULL) { - return VMA_NULL; + char* const result = vma_new_array(allocs, char, strLen + 1); + memcpy(result, srcStr, strLen); + result[strLen] = '\0'; + return result; } + return VMA_NULL; } +#endif // VMA_STATS_STRING_ENABLED static void VmaFreeString(const VkAllocationCallbacks* allocs, char* str) { - if(str != VMA_NULL) + if (str != VMA_NULL) { const size_t len = strlen(str); vma_delete_array(allocs, str, len + 1); } } -// STL-compatible allocator. +template<typename CmpLess, typename VectorT> +size_t VmaVectorInsertSorted(VectorT& vector, const typename VectorT::value_type& value) +{ + const size_t indexToInsert = VmaBinaryFindFirstNotLess( + vector.data(), + vector.data() + vector.size(), + value, + CmpLess()) - vector.data(); + VmaVectorInsert(vector, indexToInsert, value); + return indexToInsert; +} + +template<typename CmpLess, typename VectorT> +bool VmaVectorRemoveSorted(VectorT& vector, const typename VectorT::value_type& value) +{ + CmpLess comparator; + typename VectorT::iterator it = VmaBinaryFindFirstNotLess( + vector.begin(), + vector.end(), + value, + comparator); + if ((it != vector.end()) && !comparator(*it, value) && !comparator(value, *it)) + { + size_t indexToRemove = it - vector.begin(); + VmaVectorRemove(vector, indexToRemove); + return true; + } + return false; +} +#endif // _VMA_FUNCTIONS + +#ifndef _VMA_STATISTICS_FUNCTIONS + +static void VmaClearStatistics(VmaStatistics& outStats) +{ + outStats.blockCount = 0; + outStats.allocationCount = 0; + outStats.blockBytes = 0; + outStats.allocationBytes = 0; +} + +static void VmaAddStatistics(VmaStatistics& inoutStats, const VmaStatistics& src) +{ + inoutStats.blockCount += src.blockCount; + inoutStats.allocationCount += src.allocationCount; + inoutStats.blockBytes += src.blockBytes; + inoutStats.allocationBytes += src.allocationBytes; +} + +static void VmaClearDetailedStatistics(VmaDetailedStatistics& outStats) +{ + VmaClearStatistics(outStats.statistics); + outStats.unusedRangeCount = 0; + outStats.allocationSizeMin = VK_WHOLE_SIZE; + outStats.allocationSizeMax = 0; + outStats.unusedRangeSizeMin = VK_WHOLE_SIZE; + outStats.unusedRangeSizeMax = 0; +} + +static void VmaAddDetailedStatisticsAllocation(VmaDetailedStatistics& inoutStats, VkDeviceSize size) +{ + inoutStats.statistics.allocationCount++; + inoutStats.statistics.allocationBytes += size; + inoutStats.allocationSizeMin = VMA_MIN(inoutStats.allocationSizeMin, size); + inoutStats.allocationSizeMax = VMA_MAX(inoutStats.allocationSizeMax, size); +} + +static void VmaAddDetailedStatisticsUnusedRange(VmaDetailedStatistics& inoutStats, VkDeviceSize size) +{ + inoutStats.unusedRangeCount++; + inoutStats.unusedRangeSizeMin = VMA_MIN(inoutStats.unusedRangeSizeMin, size); + inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, size); +} + +static void VmaAddDetailedStatistics(VmaDetailedStatistics& inoutStats, const VmaDetailedStatistics& src) +{ + VmaAddStatistics(inoutStats.statistics, src.statistics); + inoutStats.unusedRangeCount += src.unusedRangeCount; + inoutStats.allocationSizeMin = VMA_MIN(inoutStats.allocationSizeMin, src.allocationSizeMin); + inoutStats.allocationSizeMax = VMA_MAX(inoutStats.allocationSizeMax, src.allocationSizeMax); + inoutStats.unusedRangeSizeMin = VMA_MIN(inoutStats.unusedRangeSizeMin, src.unusedRangeSizeMin); + inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, src.unusedRangeSizeMax); +} + +#endif // _VMA_STATISTICS_FUNCTIONS + +#ifndef _VMA_MUTEX_LOCK +// Helper RAII class to lock a mutex in constructor and unlock it in destructor (at the end of scope). +struct VmaMutexLock +{ + VMA_CLASS_NO_COPY(VmaMutexLock) +public: + VmaMutexLock(VMA_MUTEX& mutex, bool useMutex = true) : + m_pMutex(useMutex ? &mutex : VMA_NULL) + { + if (m_pMutex) { m_pMutex->Lock(); } + } + ~VmaMutexLock() { if (m_pMutex) { m_pMutex->Unlock(); } } + +private: + VMA_MUTEX* m_pMutex; +}; + +// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for reading. +struct VmaMutexLockRead +{ + VMA_CLASS_NO_COPY(VmaMutexLockRead) +public: + VmaMutexLockRead(VMA_RW_MUTEX& mutex, bool useMutex) : + m_pMutex(useMutex ? &mutex : VMA_NULL) + { + if (m_pMutex) { m_pMutex->LockRead(); } + } + ~VmaMutexLockRead() { if (m_pMutex) { m_pMutex->UnlockRead(); } } + +private: + VMA_RW_MUTEX* m_pMutex; +}; + +// Helper RAII class to lock a RW mutex in constructor and unlock it in destructor (at the end of scope), for writing. +struct VmaMutexLockWrite +{ + VMA_CLASS_NO_COPY(VmaMutexLockWrite) +public: + VmaMutexLockWrite(VMA_RW_MUTEX& mutex, bool useMutex) + : m_pMutex(useMutex ? &mutex : VMA_NULL) + { + if (m_pMutex) { m_pMutex->LockWrite(); } + } + ~VmaMutexLockWrite() { if (m_pMutex) { m_pMutex->UnlockWrite(); } } + +private: + VMA_RW_MUTEX* m_pMutex; +}; + +#if VMA_DEBUG_GLOBAL_MUTEX + static VMA_MUTEX gDebugGlobalMutex; + #define VMA_DEBUG_GLOBAL_MUTEX_LOCK VmaMutexLock debugGlobalMutexLock(gDebugGlobalMutex, true); +#else + #define VMA_DEBUG_GLOBAL_MUTEX_LOCK +#endif +#endif // _VMA_MUTEX_LOCK + +#ifndef _VMA_ATOMIC_TRANSACTIONAL_INCREMENT +// An object that increments given atomic but decrements it back in the destructor unless Commit() is called. template<typename T> -class VmaStlAllocator +struct AtomicTransactionalIncrement { public: + typedef std::atomic<T> AtomicT; + + ~AtomicTransactionalIncrement() + { + if(m_Atomic) + --(*m_Atomic); + } + + void Commit() { m_Atomic = nullptr; } + T Increment(AtomicT* atomic) + { + m_Atomic = atomic; + return m_Atomic->fetch_add(1); + } + +private: + AtomicT* m_Atomic = nullptr; +}; +#endif // _VMA_ATOMIC_TRANSACTIONAL_INCREMENT + +#ifndef _VMA_STL_ALLOCATOR +// STL-compatible allocator. +template<typename T> +struct VmaStlAllocator +{ const VkAllocationCallbacks* const m_pCallbacks; typedef T value_type; - - VmaStlAllocator(const VkAllocationCallbacks* pCallbacks) : m_pCallbacks(pCallbacks) { } - template<typename U> VmaStlAllocator(const VmaStlAllocator<U>& src) : m_pCallbacks(src.m_pCallbacks) { } + + VmaStlAllocator(const VkAllocationCallbacks* pCallbacks) : m_pCallbacks(pCallbacks) {} + template<typename U> + VmaStlAllocator(const VmaStlAllocator<U>& src) : m_pCallbacks(src.m_pCallbacks) {} + VmaStlAllocator(const VmaStlAllocator&) = default; + VmaStlAllocator& operator=(const VmaStlAllocator&) = delete; T* allocate(size_t n) { return VmaAllocateArray<T>(m_pCallbacks, n); } - void deallocate(T* p, size_t /*n*/) { VmaFree(m_pCallbacks, p); } + void deallocate(T* p, size_t n) { VmaFree(m_pCallbacks, p); } template<typename U> bool operator==(const VmaStlAllocator<U>& rhs) const @@ -4356,28 +4024,10 @@ public: { return m_pCallbacks != rhs.m_pCallbacks; } - - VmaStlAllocator& operator=(const VmaStlAllocator& x) = delete; }; +#endif // _VMA_STL_ALLOCATOR -#if VMA_USE_STL_VECTOR - -#define VmaVector std::vector - -template<typename T, typename allocatorT> -static void VmaVectorInsert(std::vector<T, allocatorT>& vec, size_t index, const T& item) -{ - vec.insert(vec.begin() + index, item); -} - -template<typename T, typename allocatorT> -static void VmaVectorRemove(std::vector<T, allocatorT>& vec, size_t index) -{ - vec.erase(vec.begin() + index); -} - -#else // #if VMA_USE_STL_VECTOR - +#ifndef _VMA_VECTOR /* Class with interface compatible with subset of std::vector. T must be POD because constructors and destructors are not called and memcpy is used for these objects. */ @@ -4386,256 +4036,367 @@ class VmaVector { public: typedef T value_type; + typedef T* iterator; + typedef const T* const_iterator; - VmaVector(const AllocatorT& allocator) : - m_Allocator(allocator), - m_pArray(VMA_NULL), - m_Count(0), - m_Capacity(0) - { - } - - VmaVector(size_t count, const AllocatorT& allocator) : - m_Allocator(allocator), - m_pArray(count ? (T*)VmaAllocateArray<T>(allocator.m_pCallbacks, count) : VMA_NULL), - m_Count(count), - m_Capacity(count) - { - } - + VmaVector(const AllocatorT& allocator); + VmaVector(size_t count, const AllocatorT& allocator); // This version of the constructor is here for compatibility with pre-C++14 std::vector. // value is unused. - VmaVector(size_t count, const T& /*value*/, const AllocatorT& allocator) - : VmaVector(count, allocator) {} - - VmaVector(const VmaVector<T, AllocatorT>& src) : - m_Allocator(src.m_Allocator), - m_pArray(src.m_Count ? (T*)VmaAllocateArray<T>(src.m_Allocator.m_pCallbacks, src.m_Count) : VMA_NULL), - m_Count(src.m_Count), - m_Capacity(src.m_Count) - { - if(m_Count != 0) - { - memcpy(m_pArray, src.m_pArray, m_Count * sizeof(T)); - } - } - - ~VmaVector() - { - VmaFree(m_Allocator.m_pCallbacks, m_pArray); - } + VmaVector(size_t count, const T& value, const AllocatorT& allocator) : VmaVector(count, allocator) {} + VmaVector(const VmaVector<T, AllocatorT>& src); + VmaVector& operator=(const VmaVector& rhs); + ~VmaVector() { VmaFree(m_Allocator.m_pCallbacks, m_pArray); } - VmaVector& operator=(const VmaVector<T, AllocatorT>& rhs) - { - if(&rhs != this) - { - resize(rhs.m_Count); - if(m_Count != 0) - { - memcpy(m_pArray, rhs.m_pArray, m_Count * sizeof(T)); - } - } - return *this; - } - bool empty() const { return m_Count == 0; } size_t size() const { return m_Count; } T* data() { return m_pArray; } + T& front() { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[0]; } + T& back() { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[m_Count - 1]; } const T* data() const { return m_pArray; } - - T& operator[](size_t index) - { - VMA_HEAVY_ASSERT(index < m_Count); - return m_pArray[index]; - } - const T& operator[](size_t index) const - { - VMA_HEAVY_ASSERT(index < m_Count); - return m_pArray[index]; - } + const T& front() const { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[0]; } + const T& back() const { VMA_HEAVY_ASSERT(m_Count > 0); return m_pArray[m_Count - 1]; } - T& front() - { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[0]; - } - const T& front() const - { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[0]; - } - T& back() - { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[m_Count - 1]; - } - const T& back() const + iterator begin() { return m_pArray; } + iterator end() { return m_pArray + m_Count; } + const_iterator cbegin() const { return m_pArray; } + const_iterator cend() const { return m_pArray + m_Count; } + const_iterator begin() const { return cbegin(); } + const_iterator end() const { return cend(); } + + void pop_front() { VMA_HEAVY_ASSERT(m_Count > 0); remove(0); } + void pop_back() { VMA_HEAVY_ASSERT(m_Count > 0); resize(size() - 1); } + void push_front(const T& src) { insert(0, src); } + + void push_back(const T& src); + void reserve(size_t newCapacity, bool freeMemory = false); + void resize(size_t newCount); + void clear() { resize(0); } + void shrink_to_fit(); + void insert(size_t index, const T& src); + void remove(size_t index); + + T& operator[](size_t index) { VMA_HEAVY_ASSERT(index < m_Count); return m_pArray[index]; } + const T& operator[](size_t index) const { VMA_HEAVY_ASSERT(index < m_Count); return m_pArray[index]; } + +private: + AllocatorT m_Allocator; + T* m_pArray; + size_t m_Count; + size_t m_Capacity; +}; + +#ifndef _VMA_VECTOR_FUNCTIONS +template<typename T, typename AllocatorT> +VmaVector<T, AllocatorT>::VmaVector(const AllocatorT& allocator) + : m_Allocator(allocator), + m_pArray(VMA_NULL), + m_Count(0), + m_Capacity(0) {} + +template<typename T, typename AllocatorT> +VmaVector<T, AllocatorT>::VmaVector(size_t count, const AllocatorT& allocator) + : m_Allocator(allocator), + m_pArray(count ? (T*)VmaAllocateArray<T>(allocator.m_pCallbacks, count) : VMA_NULL), + m_Count(count), + m_Capacity(count) {} + +template<typename T, typename AllocatorT> +VmaVector<T, AllocatorT>::VmaVector(const VmaVector& src) + : m_Allocator(src.m_Allocator), + m_pArray(src.m_Count ? (T*)VmaAllocateArray<T>(src.m_Allocator.m_pCallbacks, src.m_Count) : VMA_NULL), + m_Count(src.m_Count), + m_Capacity(src.m_Count) +{ + if (m_Count != 0) { - VMA_HEAVY_ASSERT(m_Count > 0); - return m_pArray[m_Count - 1]; + memcpy(m_pArray, src.m_pArray, m_Count * sizeof(T)); } +} - void reserve(size_t newCapacity, bool freeMemory = false) +template<typename T, typename AllocatorT> +VmaVector<T, AllocatorT>& VmaVector<T, AllocatorT>::operator=(const VmaVector& rhs) +{ + if (&rhs != this) { - newCapacity = VMA_MAX(newCapacity, m_Count); - - if((newCapacity < m_Capacity) && !freeMemory) + resize(rhs.m_Count); + if (m_Count != 0) { - newCapacity = m_Capacity; - } - - if(newCapacity != m_Capacity) - { - T* const newArray = newCapacity ? VmaAllocateArray<T>(m_Allocator, newCapacity) : VMA_NULL; - if(m_Count != 0) - { - memcpy(newArray, m_pArray, m_Count * sizeof(T)); - } - VmaFree(m_Allocator.m_pCallbacks, m_pArray); - m_Capacity = newCapacity; - m_pArray = newArray; + memcpy(m_pArray, rhs.m_pArray, m_Count * sizeof(T)); } } + return *this; +} - void resize(size_t newCount, bool freeMemory = false) +template<typename T, typename AllocatorT> +void VmaVector<T, AllocatorT>::push_back(const T& src) +{ + const size_t newIndex = size(); + resize(newIndex + 1); + m_pArray[newIndex] = src; +} + +template<typename T, typename AllocatorT> +void VmaVector<T, AllocatorT>::reserve(size_t newCapacity, bool freeMemory) +{ + newCapacity = VMA_MAX(newCapacity, m_Count); + + if ((newCapacity < m_Capacity) && !freeMemory) { - size_t newCapacity = m_Capacity; - if(newCount > m_Capacity) - { - newCapacity = VMA_MAX(newCount, VMA_MAX(m_Capacity * 3 / 2, (size_t)8)); - } - else if(freeMemory) - { - newCapacity = newCount; - } + newCapacity = m_Capacity; + } - if(newCapacity != m_Capacity) + if (newCapacity != m_Capacity) + { + T* const newArray = newCapacity ? VmaAllocateArray<T>(m_Allocator, newCapacity) : VMA_NULL; + if (m_Count != 0) { - T* const newArray = newCapacity ? VmaAllocateArray<T>(m_Allocator.m_pCallbacks, newCapacity) : VMA_NULL; - const size_t elementsToCopy = VMA_MIN(m_Count, newCount); - if(elementsToCopy != 0) - { - memcpy(newArray, m_pArray, elementsToCopy * sizeof(T)); - } - VmaFree(m_Allocator.m_pCallbacks, m_pArray); - m_Capacity = newCapacity; - m_pArray = newArray; + memcpy(newArray, m_pArray, m_Count * sizeof(T)); } - - m_Count = newCount; + VmaFree(m_Allocator.m_pCallbacks, m_pArray); + m_Capacity = newCapacity; + m_pArray = newArray; } +} - void clear(bool freeMemory = false) +template<typename T, typename AllocatorT> +void VmaVector<T, AllocatorT>::resize(size_t newCount) +{ + size_t newCapacity = m_Capacity; + if (newCount > m_Capacity) { - resize(0, freeMemory); + newCapacity = VMA_MAX(newCount, VMA_MAX(m_Capacity * 3 / 2, (size_t)8)); } - void insert(size_t index, const T& src) + if (newCapacity != m_Capacity) { - VMA_HEAVY_ASSERT(index <= m_Count); - const size_t oldCount = size(); - resize(oldCount + 1); - if(index < oldCount) + T* const newArray = newCapacity ? VmaAllocateArray<T>(m_Allocator.m_pCallbacks, newCapacity) : VMA_NULL; + const size_t elementsToCopy = VMA_MIN(m_Count, newCount); + if (elementsToCopy != 0) { - memmove(m_pArray + (index + 1), m_pArray + index, (oldCount - index) * sizeof(T)); + memcpy(newArray, m_pArray, elementsToCopy * sizeof(T)); } - m_pArray[index] = src; + VmaFree(m_Allocator.m_pCallbacks, m_pArray); + m_Capacity = newCapacity; + m_pArray = newArray; } - void remove(size_t index) + m_Count = newCount; +} + +template<typename T, typename AllocatorT> +void VmaVector<T, AllocatorT>::shrink_to_fit() +{ + if (m_Capacity > m_Count) { - VMA_HEAVY_ASSERT(index < m_Count); - const size_t oldCount = size(); - if(index < oldCount - 1) + T* newArray = VMA_NULL; + if (m_Count > 0) { - memmove(m_pArray + index, m_pArray + (index + 1), (oldCount - index - 1) * sizeof(T)); + newArray = VmaAllocateArray<T>(m_Allocator.m_pCallbacks, m_Count); + memcpy(newArray, m_pArray, m_Count * sizeof(T)); } - resize(oldCount - 1); + VmaFree(m_Allocator.m_pCallbacks, m_pArray); + m_Capacity = m_Count; + m_pArray = newArray; } +} - void push_back(const T& src) +template<typename T, typename AllocatorT> +void VmaVector<T, AllocatorT>::insert(size_t index, const T& src) +{ + VMA_HEAVY_ASSERT(index <= m_Count); + const size_t oldCount = size(); + resize(oldCount + 1); + if (index < oldCount) { - const size_t newIndex = size(); - resize(newIndex + 1); - m_pArray[newIndex] = src; + memmove(m_pArray + (index + 1), m_pArray + index, (oldCount - index) * sizeof(T)); } + m_pArray[index] = src; +} - void pop_back() +template<typename T, typename AllocatorT> +void VmaVector<T, AllocatorT>::remove(size_t index) +{ + VMA_HEAVY_ASSERT(index < m_Count); + const size_t oldCount = size(); + if (index < oldCount - 1) { - VMA_HEAVY_ASSERT(m_Count > 0); - resize(size() - 1); + memmove(m_pArray + index, m_pArray + (index + 1), (oldCount - index - 1) * sizeof(T)); } + resize(oldCount - 1); +} +#endif // _VMA_VECTOR_FUNCTIONS - void push_front(const T& src) - { - insert(0, src); - } +template<typename T, typename allocatorT> +static void VmaVectorInsert(VmaVector<T, allocatorT>& vec, size_t index, const T& item) +{ + vec.insert(index, item); +} - void pop_front() - { - VMA_HEAVY_ASSERT(m_Count > 0); - remove(0); - } +template<typename T, typename allocatorT> +static void VmaVectorRemove(VmaVector<T, allocatorT>& vec, size_t index) +{ + vec.remove(index); +} +#endif // _VMA_VECTOR +#ifndef _VMA_SMALL_VECTOR +/* +This is a vector (a variable-sized array), optimized for the case when the array is small. + +It contains some number of elements in-place, which allows it to avoid heap allocation +when the actual number of elements is below that threshold. This allows normal "small" +cases to be fast without losing generality for large inputs. +*/ +template<typename T, typename AllocatorT, size_t N> +class VmaSmallVector +{ +public: + typedef T value_type; typedef T* iterator; - iterator begin() { return m_pArray; } - iterator end() { return m_pArray + m_Count; } + VmaSmallVector(const AllocatorT& allocator); + VmaSmallVector(size_t count, const AllocatorT& allocator); + template<typename SrcT, typename SrcAllocatorT, size_t SrcN> + VmaSmallVector(const VmaSmallVector<SrcT, SrcAllocatorT, SrcN>&) = delete; + template<typename SrcT, typename SrcAllocatorT, size_t SrcN> + VmaSmallVector<T, AllocatorT, N>& operator=(const VmaSmallVector<SrcT, SrcAllocatorT, SrcN>&) = delete; + ~VmaSmallVector() = default; + + bool empty() const { return m_Count == 0; } + size_t size() const { return m_Count; } + T* data() { return m_Count > N ? m_DynamicArray.data() : m_StaticArray; } + T& front() { VMA_HEAVY_ASSERT(m_Count > 0); return data()[0]; } + T& back() { VMA_HEAVY_ASSERT(m_Count > 0); return data()[m_Count - 1]; } + const T* data() const { return m_Count > N ? m_DynamicArray.data() : m_StaticArray; } + const T& front() const { VMA_HEAVY_ASSERT(m_Count > 0); return data()[0]; } + const T& back() const { VMA_HEAVY_ASSERT(m_Count > 0); return data()[m_Count - 1]; } + + iterator begin() { return data(); } + iterator end() { return data() + m_Count; } + + void pop_front() { VMA_HEAVY_ASSERT(m_Count > 0); remove(0); } + void pop_back() { VMA_HEAVY_ASSERT(m_Count > 0); resize(size() - 1); } + void push_front(const T& src) { insert(0, src); } + + void push_back(const T& src); + void resize(size_t newCount, bool freeMemory = false); + void clear(bool freeMemory = false); + void insert(size_t index, const T& src); + void remove(size_t index); + + T& operator[](size_t index) { VMA_HEAVY_ASSERT(index < m_Count); return data()[index]; } + const T& operator[](size_t index) const { VMA_HEAVY_ASSERT(index < m_Count); return data()[index]; } private: - AllocatorT m_Allocator; - T* m_pArray; size_t m_Count; - size_t m_Capacity; + T m_StaticArray[N]; // Used when m_Size <= N + VmaVector<T, AllocatorT> m_DynamicArray; // Used when m_Size > N }; -template<typename T, typename allocatorT> -static void VmaVectorInsert(VmaVector<T, allocatorT>& vec, size_t index, const T& item) +#ifndef _VMA_SMALL_VECTOR_FUNCTIONS +template<typename T, typename AllocatorT, size_t N> +VmaSmallVector<T, AllocatorT, N>::VmaSmallVector(const AllocatorT& allocator) + : m_Count(0), + m_DynamicArray(allocator) {} + +template<typename T, typename AllocatorT, size_t N> +VmaSmallVector<T, AllocatorT, N>::VmaSmallVector(size_t count, const AllocatorT& allocator) + : m_Count(count), + m_DynamicArray(count > N ? count : 0, allocator) {} + +template<typename T, typename AllocatorT, size_t N> +void VmaSmallVector<T, AllocatorT, N>::push_back(const T& src) { - vec.insert(index, item); + const size_t newIndex = size(); + resize(newIndex + 1); + data()[newIndex] = src; } -template<typename T, typename allocatorT> -static void VmaVectorRemove(VmaVector<T, allocatorT>& vec, size_t index) +template<typename T, typename AllocatorT, size_t N> +void VmaSmallVector<T, AllocatorT, N>::resize(size_t newCount, bool freeMemory) { - vec.remove(index); + if (newCount > N && m_Count > N) + { + // Any direction, staying in m_DynamicArray + m_DynamicArray.resize(newCount); + if (freeMemory) + { + m_DynamicArray.shrink_to_fit(); + } + } + else if (newCount > N && m_Count <= N) + { + // Growing, moving from m_StaticArray to m_DynamicArray + m_DynamicArray.resize(newCount); + if (m_Count > 0) + { + memcpy(m_DynamicArray.data(), m_StaticArray, m_Count * sizeof(T)); + } + } + else if (newCount <= N && m_Count > N) + { + // Shrinking, moving from m_DynamicArray to m_StaticArray + if (newCount > 0) + { + memcpy(m_StaticArray, m_DynamicArray.data(), newCount * sizeof(T)); + } + m_DynamicArray.resize(0); + if (freeMemory) + { + m_DynamicArray.shrink_to_fit(); + } + } + else + { + // Any direction, staying in m_StaticArray - nothing to do here + } + m_Count = newCount; } -#endif // #if VMA_USE_STL_VECTOR - -template<typename CmpLess, typename VectorT> -size_t VmaVectorInsertSorted(VectorT& vector, const typename VectorT::value_type& value) +template<typename T, typename AllocatorT, size_t N> +void VmaSmallVector<T, AllocatorT, N>::clear(bool freeMemory) { - const size_t indexToInsert = VmaBinaryFindFirstNotLess( - vector.data(), - vector.data() + vector.size(), - value, - CmpLess()) - vector.data(); - VmaVectorInsert(vector, indexToInsert, value); - return indexToInsert; + m_DynamicArray.clear(); + if (freeMemory) + { + m_DynamicArray.shrink_to_fit(); + } + m_Count = 0; } -template<typename CmpLess, typename VectorT> -bool VmaVectorRemoveSorted(VectorT& vector, const typename VectorT::value_type& value) +template<typename T, typename AllocatorT, size_t N> +void VmaSmallVector<T, AllocatorT, N>::insert(size_t index, const T& src) { - CmpLess comparator; - typename VectorT::iterator it = VmaBinaryFindFirstNotLess( - vector.begin(), - vector.end(), - value, - comparator); - if((it != vector.end()) && !comparator(*it, value) && !comparator(value, *it)) + VMA_HEAVY_ASSERT(index <= m_Count); + const size_t oldCount = size(); + resize(oldCount + 1); + T* const dataPtr = data(); + if (index < oldCount) { - size_t indexToRemove = it - vector.begin(); - VmaVectorRemove(vector, indexToRemove); - return true; + // I know, this could be more optimal for case where memmove can be memcpy directly from m_StaticArray to m_DynamicArray. + memmove(dataPtr + (index + 1), dataPtr + index, (oldCount - index) * sizeof(T)); } - return false; + dataPtr[index] = src; } -//////////////////////////////////////////////////////////////////////////////// -// class VmaPoolAllocator +template<typename T, typename AllocatorT, size_t N> +void VmaSmallVector<T, AllocatorT, N>::remove(size_t index) +{ + VMA_HEAVY_ASSERT(index < m_Count); + const size_t oldCount = size(); + if (index < oldCount - 1) + { + // I know, this could be more optimal for case where memmove can be memcpy directly from m_DynamicArray to m_StaticArray. + T* const dataPtr = data(); + memmove(dataPtr + index, dataPtr + (index + 1), (oldCount - index - 1) * sizeof(T)); + } + resize(oldCount - 1); +} +#endif // _VMA_SMALL_VECTOR_FUNCTIONS +#endif // _VMA_SMALL_VECTOR +#ifndef _VMA_POOL_ALLOCATOR /* Allocator for objects of type T using a list of arrays (pools) to speed up allocation. Number of elements that can be allocated is not bounded because @@ -4648,7 +4409,7 @@ class VmaPoolAllocator public: VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCallbacks, uint32_t firstBlockCapacity); ~VmaPoolAllocator(); - T* Alloc(); + template<typename... Types> T* Alloc(Types&&... args); void Free(T* ptr); private: @@ -4657,24 +4418,24 @@ private: uint32_t NextFreeIndex; alignas(T) char Value[sizeof(T)]; }; - struct ItemBlock { Item* pItems; uint32_t Capacity; uint32_t FirstFreeIndex; }; - + const VkAllocationCallbacks* m_pAllocationCallbacks; const uint32_t m_FirstBlockCapacity; - VmaVector< ItemBlock, VmaStlAllocator<ItemBlock> > m_ItemBlocks; + VmaVector<ItemBlock, VmaStlAllocator<ItemBlock>> m_ItemBlocks; ItemBlock& CreateNewBlock(); }; +#ifndef _VMA_POOL_ALLOCATOR_FUNCTIONS template<typename T> -VmaPoolAllocator<T>::VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCallbacks, uint32_t firstBlockCapacity) : - m_pAllocationCallbacks(pAllocationCallbacks), +VmaPoolAllocator<T>::VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCallbacks, uint32_t firstBlockCapacity) + : m_pAllocationCallbacks(pAllocationCallbacks), m_FirstBlockCapacity(firstBlockCapacity), m_ItemBlocks(VmaStlAllocator<ItemBlock>(pAllocationCallbacks)) { @@ -4684,24 +4445,24 @@ VmaPoolAllocator<T>::VmaPoolAllocator(const VkAllocationCallbacks* pAllocationCa template<typename T> VmaPoolAllocator<T>::~VmaPoolAllocator() { - for(size_t i = m_ItemBlocks.size(); i--; ) + for (size_t i = m_ItemBlocks.size(); i--;) vma_delete_array(m_pAllocationCallbacks, m_ItemBlocks[i].pItems, m_ItemBlocks[i].Capacity); m_ItemBlocks.clear(); } template<typename T> -T* VmaPoolAllocator<T>::Alloc() +template<typename... Types> T* VmaPoolAllocator<T>::Alloc(Types&&... args) { - for(size_t i = m_ItemBlocks.size(); i--; ) + for (size_t i = m_ItemBlocks.size(); i--; ) { ItemBlock& block = m_ItemBlocks[i]; // This block has some free items: Use first one. - if(block.FirstFreeIndex != UINT32_MAX) + if (block.FirstFreeIndex != UINT32_MAX) { Item* const pItem = &block.pItems[block.FirstFreeIndex]; block.FirstFreeIndex = pItem->NextFreeIndex; T* result = (T*)&pItem->Value; - new(result)T(); // Explicit constructor call. + new(result)T(std::forward<Types>(args)...); // Explicit constructor call. return result; } } @@ -4711,7 +4472,7 @@ T* VmaPoolAllocator<T>::Alloc() Item* const pItem = &newBlock.pItems[0]; newBlock.FirstFreeIndex = pItem->NextFreeIndex; T* result = (T*)&pItem->Value; - new(result)T(); // Explicit constructor call. + new(result) T(std::forward<Types>(args)...); // Explicit constructor call. return result; } @@ -4719,16 +4480,16 @@ template<typename T> void VmaPoolAllocator<T>::Free(T* ptr) { // Search all memory blocks to find ptr. - for(size_t i = m_ItemBlocks.size(); i--; ) + for (size_t i = m_ItemBlocks.size(); i--; ) { ItemBlock& block = m_ItemBlocks[i]; - + // Casting to union. Item* pItemPtr; memcpy(&pItemPtr, &ptr, sizeof(pItemPtr)); - + // Check if pItemPtr is in address range of this block. - if((pItemPtr >= block.pItems) && (pItemPtr < block.pItems + block.Capacity)) + if ((pItemPtr >= block.pItems) && (pItemPtr < block.pItems + block.Capacity)) { ptr->~T(); // Explicit destructor call. const uint32_t index = static_cast<uint32_t>(pItemPtr - block.pItems); @@ -4746,29 +4507,25 @@ typename VmaPoolAllocator<T>::ItemBlock& VmaPoolAllocator<T>::CreateNewBlock() const uint32_t newBlockCapacity = m_ItemBlocks.empty() ? m_FirstBlockCapacity : m_ItemBlocks.back().Capacity * 3 / 2; - const ItemBlock newBlock = { + const ItemBlock newBlock = + { vma_new_array(m_pAllocationCallbacks, Item, newBlockCapacity), newBlockCapacity, - 0 }; + 0 + }; m_ItemBlocks.push_back(newBlock); // Setup singly-linked list of all free items in this block. - for(uint32_t i = 0; i < newBlockCapacity - 1; ++i) + for (uint32_t i = 0; i < newBlockCapacity - 1; ++i) newBlock.pItems[i].NextFreeIndex = i + 1; newBlock.pItems[newBlockCapacity - 1].NextFreeIndex = UINT32_MAX; return m_ItemBlocks.back(); } +#endif // _VMA_POOL_ALLOCATOR_FUNCTIONS +#endif // _VMA_POOL_ALLOCATOR -//////////////////////////////////////////////////////////////////////////////// -// class VmaRawList, VmaList - -#if VMA_USE_STL_LIST - -#define VmaList std::list - -#else // #if VMA_USE_STL_LIST - +#ifndef _VMA_RAW_LIST template<typename T> struct VmaListItem { @@ -4786,32 +4543,33 @@ public: typedef VmaListItem<T> ItemType; VmaRawList(const VkAllocationCallbacks* pAllocationCallbacks); - ~VmaRawList(); - void Clear(); + // Intentionally not calling Clear, because that would be unnecessary + // computations to return all items to m_ItemAllocator as free. + ~VmaRawList() = default; size_t GetCount() const { return m_Count; } bool IsEmpty() const { return m_Count == 0; } ItemType* Front() { return m_pFront; } - const ItemType* Front() const { return m_pFront; } ItemType* Back() { return m_pBack; } + const ItemType* Front() const { return m_pFront; } const ItemType* Back() const { return m_pBack; } - ItemType* PushBack(); ItemType* PushFront(); - ItemType* PushBack(const T& value); + ItemType* PushBack(); ItemType* PushFront(const T& value); - void PopBack(); + ItemType* PushBack(const T& value); void PopFront(); - + void PopBack(); + // Item can be null - it means PushBack. ItemType* InsertBefore(ItemType* pItem); // Item can be null - it means PushFront. ItemType* InsertAfter(ItemType* pItem); - ItemType* InsertBefore(ItemType* pItem, const T& value); ItemType* InsertAfter(ItemType* pItem, const T& value); + void Clear(); void Remove(ItemType* pItem); private: @@ -4822,39 +4580,35 @@ private: size_t m_Count; }; +#ifndef _VMA_RAW_LIST_FUNCTIONS template<typename T> -VmaRawList<T>::VmaRawList(const VkAllocationCallbacks* pAllocationCallbacks) : - m_pAllocationCallbacks(pAllocationCallbacks), +VmaRawList<T>::VmaRawList(const VkAllocationCallbacks* pAllocationCallbacks) + : m_pAllocationCallbacks(pAllocationCallbacks), m_ItemAllocator(pAllocationCallbacks, 128), m_pFront(VMA_NULL), m_pBack(VMA_NULL), - m_Count(0) -{ -} + m_Count(0) {} template<typename T> -VmaRawList<T>::~VmaRawList() -{ - // Intentionally not calling Clear, because that would be unnecessary - // computations to return all items to m_ItemAllocator as free. -} - -template<typename T> -void VmaRawList<T>::Clear() +VmaListItem<T>* VmaRawList<T>::PushFront() { - if(IsEmpty() == false) + ItemType* const pNewItem = m_ItemAllocator.Alloc(); + pNewItem->pPrev = VMA_NULL; + if (IsEmpty()) { - ItemType* pItem = m_pBack; - while(pItem != VMA_NULL) - { - ItemType* const pPrevItem = pItem->pPrev; - m_ItemAllocator.Free(pItem); - pItem = pPrevItem; - } - m_pFront = VMA_NULL; - m_pBack = VMA_NULL; - m_Count = 0; + pNewItem->pNext = VMA_NULL; + m_pFront = pNewItem; + m_pBack = pNewItem; + m_Count = 1; + } + else + { + pNewItem->pNext = m_pFront; + m_pFront->pPrev = pNewItem; + m_pFront = pNewItem; + ++m_Count; } + return pNewItem; } template<typename T> @@ -4880,24 +4634,10 @@ VmaListItem<T>* VmaRawList<T>::PushBack() } template<typename T> -VmaListItem<T>* VmaRawList<T>::PushFront() +VmaListItem<T>* VmaRawList<T>::PushFront(const T& value) { - ItemType* const pNewItem = m_ItemAllocator.Alloc(); - pNewItem->pPrev = VMA_NULL; - if(IsEmpty()) - { - pNewItem->pNext = VMA_NULL; - m_pFront = pNewItem; - m_pBack = pNewItem; - m_Count = 1; - } - else - { - pNewItem->pNext = m_pFront; - m_pFront->pPrev = pNewItem; - m_pFront = pNewItem; - ++m_Count; - } + ItemType* const pNewItem = PushFront(); + pNewItem->Value = value; return pNewItem; } @@ -4910,11 +4650,18 @@ VmaListItem<T>* VmaRawList<T>::PushBack(const T& value) } template<typename T> -VmaListItem<T>* VmaRawList<T>::PushFront(const T& value) +void VmaRawList<T>::PopFront() { - ItemType* const pNewItem = PushFront(); - pNewItem->Value = value; - return pNewItem; + VMA_HEAVY_ASSERT(m_Count > 0); + ItemType* const pFrontItem = m_pFront; + ItemType* const pNextItem = pFrontItem->pNext; + if (pNextItem != VMA_NULL) + { + pNextItem->pPrev = VMA_NULL; + } + m_pFront = pNextItem; + m_ItemAllocator.Free(pFrontItem); + --m_Count; } template<typename T> @@ -4933,18 +4680,21 @@ void VmaRawList<T>::PopBack() } template<typename T> -void VmaRawList<T>::PopFront() +void VmaRawList<T>::Clear() { - VMA_HEAVY_ASSERT(m_Count > 0); - ItemType* const pFrontItem = m_pFront; - ItemType* const pNextItem = pFrontItem->pNext; - if(pNextItem != VMA_NULL) + if (IsEmpty() == false) { - pNextItem->pPrev = VMA_NULL; + ItemType* pItem = m_pBack; + while (pItem != VMA_NULL) + { + ItemType* const pPrevItem = pItem->pPrev; + m_ItemAllocator.Free(pItem); + pItem = pPrevItem; + } + m_pFront = VMA_NULL; + m_pBack = VMA_NULL; + m_Count = 0; } - m_pFront = pNextItem; - m_ItemAllocator.Free(pFrontItem); - --m_Count; } template<typename T> @@ -5044,2375 +4794,591 @@ VmaListItem<T>* VmaRawList<T>::InsertAfter(ItemType* pItem, const T& value) newItem->Value = value; return newItem; } +#endif // _VMA_RAW_LIST_FUNCTIONS +#endif // _VMA_RAW_LIST +#ifndef _VMA_LIST template<typename T, typename AllocatorT> class VmaList { VMA_CLASS_NO_COPY(VmaList) public: + class reverse_iterator; + class const_iterator; + class const_reverse_iterator; + class iterator { + friend class const_iterator; + friend class VmaList<T, AllocatorT>; public: - iterator() : - m_pList(VMA_NULL), - m_pItem(VMA_NULL) - { - } + iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + iterator(const reverse_iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} - T& operator*() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return m_pItem->Value; - } - T* operator->() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return &m_pItem->Value; - } + T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } - iterator& operator++() - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - m_pItem = m_pItem->pNext; - return *this; - } - iterator& operator--() - { - if(m_pItem != VMA_NULL) - { - m_pItem = m_pItem->pPrev; - } - else - { - VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); - m_pItem = m_pList->Back(); - } - return *this; - } + bool operator==(const iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } - iterator operator++(int) - { - iterator result = *this; - ++*this; - return result; - } - iterator operator--(int) - { - iterator result = *this; - --*this; - return result; - } + iterator operator++(int) { iterator result = *this; ++*this; return result; } + iterator operator--(int) { iterator result = *this; --*this; return result; } + + iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pNext; return *this; } + iterator& operator--(); - bool operator==(const iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem == rhs.m_pItem; - } - bool operator!=(const iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem != rhs.m_pItem; - } - private: VmaRawList<T>* m_pList; VmaListItem<T>* m_pItem; - iterator(VmaRawList<T>* pList, VmaListItem<T>* pItem) : - m_pList(pList), - m_pItem(pItem) - { - } - - friend class VmaList<T, AllocatorT>; + iterator(VmaRawList<T>* pList, VmaListItem<T>* pItem) : m_pList(pList), m_pItem(pItem) {} }; + class reverse_iterator + { + friend class const_reverse_iterator; + friend class VmaList<T, AllocatorT>; + public: + reverse_iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + reverse_iterator(const iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + + T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } + + bool operator==(const reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } + + reverse_iterator operator++(int) { reverse_iterator result = *this; ++* this; return result; } + reverse_iterator operator--(int) { reverse_iterator result = *this; --* this; return result; } + + reverse_iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pPrev; return *this; } + reverse_iterator& operator--(); + + private: + VmaRawList<T>* m_pList; + VmaListItem<T>* m_pItem; + reverse_iterator(VmaRawList<T>* pList, VmaListItem<T>* pItem) : m_pList(pList), m_pItem(pItem) {} + }; class const_iterator { + friend class VmaList<T, AllocatorT>; public: - const_iterator() : - m_pList(VMA_NULL), - m_pItem(VMA_NULL) - { - } + const_iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + const_iterator(const iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + const_iterator(const reverse_iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} - const_iterator(const iterator& src) : - m_pList(src.m_pList), - m_pItem(src.m_pItem) - { - } - - const T& operator*() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return m_pItem->Value; - } - const T* operator->() const - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - return &m_pItem->Value; - } + iterator drop_const() { return { const_cast<VmaRawList<T>*>(m_pList), const_cast<VmaListItem<T>*>(m_pItem) }; } - const_iterator& operator++() - { - VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); - m_pItem = m_pItem->pNext; - return *this; - } - const_iterator& operator--() - { - if(m_pItem != VMA_NULL) - { - m_pItem = m_pItem->pPrev; - } - else - { - VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); - m_pItem = m_pList->Back(); - } - return *this; - } + const T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + const T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } - const_iterator operator++(int) - { - const_iterator result = *this; - ++*this; - return result; - } - const_iterator operator--(int) - { - const_iterator result = *this; - --*this; - return result; - } + bool operator==(const const_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const const_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } - bool operator==(const const_iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem == rhs.m_pItem; - } - bool operator!=(const const_iterator& rhs) const - { - VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); - return m_pItem != rhs.m_pItem; - } - - private: - const_iterator(const VmaRawList<T>* pList, const VmaListItem<T>* pItem) : - m_pList(pList), - m_pItem(pItem) - { - } + const_iterator operator++(int) { const_iterator result = *this; ++* this; return result; } + const_iterator operator--(int) { const_iterator result = *this; --* this; return result; } + const_iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pNext; return *this; } + const_iterator& operator--(); + + private: const VmaRawList<T>* m_pList; const VmaListItem<T>* m_pItem; - friend class VmaList<T, AllocatorT>; + const_iterator(const VmaRawList<T>* pList, const VmaListItem<T>* pItem) : m_pList(pList), m_pItem(pItem) {} }; + class const_reverse_iterator + { + friend class VmaList<T, AllocatorT>; + public: + const_reverse_iterator() : m_pList(VMA_NULL), m_pItem(VMA_NULL) {} + const_reverse_iterator(const reverse_iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} + const_reverse_iterator(const iterator& src) : m_pList(src.m_pList), m_pItem(src.m_pItem) {} - VmaList(const AllocatorT& allocator) : m_RawList(allocator.m_pCallbacks) { } + reverse_iterator drop_const() { return { const_cast<VmaRawList<T>*>(m_pList), const_cast<VmaListItem<T>*>(m_pItem) }; } - bool empty() const { return m_RawList.IsEmpty(); } - size_t size() const { return m_RawList.GetCount(); } + const T& operator*() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return m_pItem->Value; } + const T* operator->() const { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); return &m_pItem->Value; } - iterator begin() { return iterator(&m_RawList, m_RawList.Front()); } - iterator end() { return iterator(&m_RawList, VMA_NULL); } + bool operator==(const const_reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem == rhs.m_pItem; } + bool operator!=(const const_reverse_iterator& rhs) const { VMA_HEAVY_ASSERT(m_pList == rhs.m_pList); return m_pItem != rhs.m_pItem; } - const_iterator cbegin() const { return const_iterator(&m_RawList, m_RawList.Front()); } - const_iterator cend() const { return const_iterator(&m_RawList, VMA_NULL); } + const_reverse_iterator operator++(int) { const_reverse_iterator result = *this; ++* this; return result; } + const_reverse_iterator operator--(int) { const_reverse_iterator result = *this; --* this; return result; } - void clear() { m_RawList.Clear(); } - void push_back(const T& value) { m_RawList.PushBack(value); } - void erase(iterator it) { m_RawList.Remove(it.m_pItem); } - iterator insert(iterator it, const T& value) { return iterator(&m_RawList, m_RawList.InsertBefore(it.m_pItem, value)); } + const_reverse_iterator& operator++() { VMA_HEAVY_ASSERT(m_pItem != VMA_NULL); m_pItem = m_pItem->pPrev; return *this; } + const_reverse_iterator& operator--(); -private: - VmaRawList<T> m_RawList; -}; + private: + const VmaRawList<T>* m_pList; + const VmaListItem<T>* m_pItem; -#endif // #if VMA_USE_STL_LIST + const_reverse_iterator(const VmaRawList<T>* pList, const VmaListItem<T>* pItem) : m_pList(pList), m_pItem(pItem) {} + }; -//////////////////////////////////////////////////////////////////////////////// -// class VmaMap + VmaList(const AllocatorT& allocator) : m_RawList(allocator.m_pCallbacks) {} -// Unused in this version. -#if 0 - -#if VMA_USE_STL_UNORDERED_MAP + bool empty() const { return m_RawList.IsEmpty(); } + size_t size() const { return m_RawList.GetCount(); } -#define VmaPair std::pair + iterator begin() { return iterator(&m_RawList, m_RawList.Front()); } + iterator end() { return iterator(&m_RawList, VMA_NULL); } -#define VMA_MAP_TYPE(KeyT, ValueT) \ - std::unordered_map< KeyT, ValueT, std::hash<KeyT>, std::equal_to<KeyT>, VmaStlAllocator< std::pair<KeyT, ValueT> > > + const_iterator cbegin() const { return const_iterator(&m_RawList, m_RawList.Front()); } + const_iterator cend() const { return const_iterator(&m_RawList, VMA_NULL); } -#else // #if VMA_USE_STL_UNORDERED_MAP + const_iterator begin() const { return cbegin(); } + const_iterator end() const { return cend(); } -template<typename T1, typename T2> -struct VmaPair -{ - T1 first; - T2 second; + reverse_iterator rbegin() { return reverse_iterator(&m_RawList, m_RawList.Back()); } + reverse_iterator rend() { return reverse_iterator(&m_RawList, VMA_NULL); } - VmaPair() : first(), second() { } - VmaPair(const T1& firstSrc, const T2& secondSrc) : first(firstSrc), second(secondSrc) { } -}; + const_reverse_iterator crbegin() const { return const_reverse_iterator(&m_RawList, m_RawList.Back()); } + const_reverse_iterator crend() const { return const_reverse_iterator(&m_RawList, VMA_NULL); } -/* Class compatible with subset of interface of std::unordered_map. -KeyT, ValueT must be POD because they will be stored in VmaVector. -*/ -template<typename KeyT, typename ValueT> -class VmaMap -{ -public: - typedef VmaPair<KeyT, ValueT> PairType; - typedef PairType* iterator; + const_reverse_iterator rbegin() const { return crbegin(); } + const_reverse_iterator rend() const { return crend(); } - VmaMap(const VmaStlAllocator<PairType>& allocator) : m_Vector(allocator) { } + void push_back(const T& value) { m_RawList.PushBack(value); } + iterator insert(iterator it, const T& value) { return iterator(&m_RawList, m_RawList.InsertBefore(it.m_pItem, value)); } - iterator begin() { return m_Vector.begin(); } - iterator end() { return m_Vector.end(); } + void clear() { m_RawList.Clear(); } + void erase(iterator it) { m_RawList.Remove(it.m_pItem); } - void insert(const PairType& pair); - iterator find(const KeyT& key); - void erase(iterator it); - private: - VmaVector< PairType, VmaStlAllocator<PairType> > m_Vector; + VmaRawList<T> m_RawList; }; -#define VMA_MAP_TYPE(KeyT, ValueT) VmaMap<KeyT, ValueT> - -template<typename FirstT, typename SecondT> -struct VmaPairFirstLess +#ifndef _VMA_LIST_FUNCTIONS +template<typename T, typename AllocatorT> +typename VmaList<T, AllocatorT>::iterator& VmaList<T, AllocatorT>::iterator::operator--() { - bool operator()(const VmaPair<FirstT, SecondT>& lhs, const VmaPair<FirstT, SecondT>& rhs) const + if (m_pItem != VMA_NULL) { - return lhs.first < rhs.first; + m_pItem = m_pItem->pPrev; } - bool operator()(const VmaPair<FirstT, SecondT>& lhs, const FirstT& rhsFirst) const + else { - return lhs.first < rhsFirst; + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Back(); } -}; - -template<typename KeyT, typename ValueT> -void VmaMap<KeyT, ValueT>::insert(const PairType& pair) -{ - const size_t indexToInsert = VmaBinaryFindFirstNotLess( - m_Vector.data(), - m_Vector.data() + m_Vector.size(), - pair, - VmaPairFirstLess<KeyT, ValueT>()) - m_Vector.data(); - VmaVectorInsert(m_Vector, indexToInsert, pair); + return *this; } -template<typename KeyT, typename ValueT> -VmaPair<KeyT, ValueT>* VmaMap<KeyT, ValueT>::find(const KeyT& key) +template<typename T, typename AllocatorT> +typename VmaList<T, AllocatorT>::reverse_iterator& VmaList<T, AllocatorT>::reverse_iterator::operator--() { - PairType* it = VmaBinaryFindFirstNotLess( - m_Vector.data(), - m_Vector.data() + m_Vector.size(), - key, - VmaPairFirstLess<KeyT, ValueT>()); - if((it != m_Vector.end()) && (it->first == key)) + if (m_pItem != VMA_NULL) { - return it; + m_pItem = m_pItem->pNext; } else { - return m_Vector.end(); + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Front(); } + return *this; } -template<typename KeyT, typename ValueT> -void VmaMap<KeyT, ValueT>::erase(iterator it) -{ - VmaVectorRemove(m_Vector, it - m_Vector.begin()); -} - -#endif // #if VMA_USE_STL_UNORDERED_MAP - -#endif // #if 0 - -//////////////////////////////////////////////////////////////////////////////// - -class VmaDeviceMemoryBlock; - -enum VMA_CACHE_OPERATION { VMA_CACHE_FLUSH, VMA_CACHE_INVALIDATE }; - -struct VmaAllocation_T +template<typename T, typename AllocatorT> +typename VmaList<T, AllocatorT>::const_iterator& VmaList<T, AllocatorT>::const_iterator::operator--() { -private: - static const uint8_t MAP_COUNT_FLAG_PERSISTENT_MAP = 0x80; - - enum FLAGS - { - FLAG_USER_DATA_STRING = 0x01, - }; - -public: - enum ALLOCATION_TYPE + if (m_pItem != VMA_NULL) { - ALLOCATION_TYPE_NONE, - ALLOCATION_TYPE_BLOCK, - ALLOCATION_TYPE_DEDICATED, - }; - - /* - This struct is allocated using VmaPoolAllocator. - */ - - void Ctor(uint32_t currentFrameIndex, bool userDataString) - { - m_Alignment = 1; - m_Size = 0; - m_MemoryTypeIndex = 0; - m_pUserData = VMA_NULL; - m_LastUseFrameIndex = currentFrameIndex; - m_Type = (uint8_t)ALLOCATION_TYPE_NONE; - m_SuballocationType = (uint8_t)VMA_SUBALLOCATION_TYPE_UNKNOWN; - m_MapCount = 0; - m_Flags = userDataString ? (uint8_t)FLAG_USER_DATA_STRING : 0; - -#if VMA_STATS_STRING_ENABLED - m_CreationFrameIndex = currentFrameIndex; - m_BufferImageUsage = 0; -#endif + m_pItem = m_pItem->pPrev; } - - void Dtor() - { - VMA_ASSERT((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) == 0 && "Allocation was not unmapped before destruction."); - - // Check if owned string was freed. - VMA_ASSERT(m_pUserData == VMA_NULL); - } - - void InitBlockAllocation( - VmaDeviceMemoryBlock* block, - VkDeviceSize offset, - VkDeviceSize alignment, - VkDeviceSize size, - uint32_t memoryTypeIndex, - VmaSuballocationType suballocationType, - bool mapped, - bool canBecomeLost) - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); - VMA_ASSERT(block != VMA_NULL); - m_Type = (uint8_t)ALLOCATION_TYPE_BLOCK; - m_Alignment = alignment; - m_Size = size; - m_MemoryTypeIndex = memoryTypeIndex; - m_MapCount = mapped ? MAP_COUNT_FLAG_PERSISTENT_MAP : 0; - m_SuballocationType = (uint8_t)suballocationType; - m_BlockAllocation.m_Block = block; - m_BlockAllocation.m_Offset = offset; - m_BlockAllocation.m_CanBecomeLost = canBecomeLost; - } - - void InitLost() - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); - VMA_ASSERT(m_LastUseFrameIndex.load() == VMA_FRAME_INDEX_LOST); - m_Type = (uint8_t)ALLOCATION_TYPE_BLOCK; - m_MemoryTypeIndex = 0; - m_BlockAllocation.m_Block = VMA_NULL; - m_BlockAllocation.m_Offset = 0; - m_BlockAllocation.m_CanBecomeLost = true; - } - - void ChangeBlockAllocation( - VmaAllocator hAllocator, - VmaDeviceMemoryBlock* block, - VkDeviceSize offset); - - void ChangeOffset(VkDeviceSize newOffset); - - // pMappedData not null means allocation is created with MAPPED flag. - void InitDedicatedAllocation( - uint32_t memoryTypeIndex, - VkDeviceMemory hMemory, - VmaSuballocationType suballocationType, - void* pMappedData, - VkDeviceSize size) - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); - VMA_ASSERT(hMemory != VK_NULL_HANDLE); - m_Type = (uint8_t)ALLOCATION_TYPE_DEDICATED; - m_Alignment = 0; - m_Size = size; - m_MemoryTypeIndex = memoryTypeIndex; - m_SuballocationType = (uint8_t)suballocationType; - m_MapCount = (pMappedData != VMA_NULL) ? MAP_COUNT_FLAG_PERSISTENT_MAP : 0; - m_DedicatedAllocation.m_hMemory = hMemory; - m_DedicatedAllocation.m_pMappedData = pMappedData; - } - - ALLOCATION_TYPE GetType() const { return (ALLOCATION_TYPE)m_Type; } - VkDeviceSize GetAlignment() const { return m_Alignment; } - VkDeviceSize GetSize() const { return m_Size; } - bool IsUserDataString() const { return (m_Flags & FLAG_USER_DATA_STRING) != 0; } - void* GetUserData() const { return m_pUserData; } - void SetUserData(VmaAllocator hAllocator, void* pUserData); - VmaSuballocationType GetSuballocationType() const { return (VmaSuballocationType)m_SuballocationType; } - - VmaDeviceMemoryBlock* GetBlock() const - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); - return m_BlockAllocation.m_Block; - } - VkDeviceSize GetOffset() const; - VkDeviceMemory GetMemory() const; - uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } - bool IsPersistentMap() const { return (m_MapCount & MAP_COUNT_FLAG_PERSISTENT_MAP) != 0; } - void* GetMappedData() const; - bool CanBecomeLost() const; - - uint32_t GetLastUseFrameIndex() const - { - return m_LastUseFrameIndex.load(); - } - bool CompareExchangeLastUseFrameIndex(uint32_t& expected, uint32_t desired) - { - return m_LastUseFrameIndex.compare_exchange_weak(expected, desired); - } - /* - - If hAllocation.LastUseFrameIndex + frameInUseCount < allocator.CurrentFrameIndex, - makes it lost by setting LastUseFrameIndex = VMA_FRAME_INDEX_LOST and returns true. - - Else, returns false. - - If hAllocation is already lost, assert - you should not call it then. - If hAllocation was not created with CAN_BECOME_LOST_BIT, assert. - */ - bool MakeLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - void DedicatedAllocCalcStatsInfo(VmaStatInfo& outInfo) - { - VMA_ASSERT(m_Type == ALLOCATION_TYPE_DEDICATED); - outInfo.blockCount = 1; - outInfo.allocationCount = 1; - outInfo.unusedRangeCount = 0; - outInfo.usedBytes = m_Size; - outInfo.unusedBytes = 0; - outInfo.allocationSizeMin = outInfo.allocationSizeMax = m_Size; - outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMax = 0; - } - - void BlockAllocMap(); - void BlockAllocUnmap(); - VkResult DedicatedAllocMap(VmaAllocator hAllocator, void** ppData); - void DedicatedAllocUnmap(VmaAllocator hAllocator); - -#if VMA_STATS_STRING_ENABLED - uint32_t GetCreationFrameIndex() const { return m_CreationFrameIndex; } - uint32_t GetBufferImageUsage() const { return m_BufferImageUsage; } - - void InitBufferImageUsage(uint32_t bufferImageUsage) + else { - VMA_ASSERT(m_BufferImageUsage == 0); - m_BufferImageUsage = bufferImageUsage; + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Back(); } + return *this; +} - void PrintParameters(class VmaJsonWriter& json) const; -#endif - -private: - VkDeviceSize m_Alignment; - VkDeviceSize m_Size; - void* m_pUserData; - VMA_ATOMIC_UINT32 m_LastUseFrameIndex; - uint32_t m_MemoryTypeIndex; - uint8_t m_Type; // ALLOCATION_TYPE - uint8_t m_SuballocationType; // VmaSuballocationType - // Bit 0x80 is set when allocation was created with VMA_ALLOCATION_CREATE_MAPPED_BIT. - // Bits with mask 0x7F are reference counter for vmaMapMemory()/vmaUnmapMemory(). - uint8_t m_MapCount; - uint8_t m_Flags; // enum FLAGS - - // Allocation out of VmaDeviceMemoryBlock. - struct BlockAllocation - { - VmaDeviceMemoryBlock* m_Block; - VkDeviceSize m_Offset; - bool m_CanBecomeLost; - }; - - // Allocation for an object that has its own private VkDeviceMemory. - struct DedicatedAllocation - { - VkDeviceMemory m_hMemory; - void* m_pMappedData; // Not null means memory is mapped. - }; - - union - { - // Allocation out of VmaDeviceMemoryBlock. - BlockAllocation m_BlockAllocation; - // Allocation for an object that has its own private VkDeviceMemory. - DedicatedAllocation m_DedicatedAllocation; - }; - -#if VMA_STATS_STRING_ENABLED - uint32_t m_CreationFrameIndex; - uint32_t m_BufferImageUsage; // 0 if unknown. -#endif - - void FreeUserDataString(VmaAllocator hAllocator); -}; - -/* -Represents a region of VmaDeviceMemoryBlock that is either assigned and returned as -allocated memory block or free. -*/ -struct VmaSuballocation -{ - VkDeviceSize offset; - VkDeviceSize size; - VmaAllocation hAllocation; - VmaSuballocationType type; -}; - -// Comparator for offsets. -struct VmaSuballocationOffsetLess +template<typename T, typename AllocatorT> +typename VmaList<T, AllocatorT>::const_reverse_iterator& VmaList<T, AllocatorT>::const_reverse_iterator::operator--() { - bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const + if (m_pItem != VMA_NULL) { - return lhs.offset < rhs.offset; + m_pItem = m_pItem->pNext; } -}; -struct VmaSuballocationOffsetGreater -{ - bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const + else { - return lhs.offset > rhs.offset; + VMA_HEAVY_ASSERT(!m_pList->IsEmpty()); + m_pItem = m_pList->Back(); } -}; - -typedef VmaList< VmaSuballocation, VmaStlAllocator<VmaSuballocation> > VmaSuballocationList; - -// Cost of one additional allocation lost, as equivalent in bytes. -static const VkDeviceSize VMA_LOST_ALLOCATION_COST = 1048576; - -enum class VmaAllocationRequestType -{ - Normal, - // Used by "Linear" algorithm. - UpperAddress, - EndOf1st, - EndOf2nd, -}; + return *this; +} +#endif // _VMA_LIST_FUNCTIONS +#endif // _VMA_LIST +#ifndef _VMA_INTRUSIVE_LINKED_LIST /* -Parameters of planned allocation inside a VmaDeviceMemoryBlock. - -If canMakeOtherLost was false: -- item points to a FREE suballocation. -- itemsToMakeLostCount is 0. - -If canMakeOtherLost was true: -- item points to first of sequence of suballocations, which are either FREE, - or point to VmaAllocations that can become lost. -- itemsToMakeLostCount is the number of VmaAllocations that need to be made lost for - the requested allocation to succeed. -*/ -struct VmaAllocationRequest -{ - VkDeviceSize offset; - VkDeviceSize sumFreeSize; // Sum size of free items that overlap with proposed allocation. - VkDeviceSize sumItemSize; // Sum size of items to make lost that overlap with proposed allocation. - VmaSuballocationList::iterator item; - size_t itemsToMakeLostCount; - void* customData; - VmaAllocationRequestType type; - - VkDeviceSize CalcCost() const - { - return sumItemSize + itemsToMakeLostCount * VMA_LOST_ALLOCATION_COST; - } +Expected interface of ItemTypeTraits: +struct MyItemTypeTraits +{ + typedef MyItem ItemType; + static ItemType* GetPrev(const ItemType* item) { return item->myPrevPtr; } + static ItemType* GetNext(const ItemType* item) { return item->myNextPtr; } + static ItemType*& AccessPrev(ItemType* item) { return item->myPrevPtr; } + static ItemType*& AccessNext(ItemType* item) { return item->myNextPtr; } }; - -/* -Data structure used for bookkeeping of allocations and unused ranges of memory -in a single VkDeviceMemory block. */ -class VmaBlockMetadata +template<typename ItemTypeTraits> +class VmaIntrusiveLinkedList { public: - VmaBlockMetadata(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata() { } - virtual void Init(VkDeviceSize size) { m_Size = size; } - - // Validates all data structures inside this object. If not valid, returns false. - virtual bool Validate() const = 0; - VkDeviceSize GetSize() const { return m_Size; } - virtual size_t GetAllocationCount() const = 0; - virtual VkDeviceSize GetSumFreeSize() const = 0; - virtual VkDeviceSize GetUnusedRangeSizeMax() const = 0; - // Returns true if this block is empty - contains only single free suballocation. - virtual bool IsEmpty() const = 0; - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const = 0; - // Shouldn't modify blockCount. - virtual void AddPoolStats(VmaPoolStats& inoutStats) const = 0; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const = 0; -#endif - - // Tries to find a place for suballocation with given parameters inside this block. - // If succeeded, fills pAllocationRequest and returns true. - // If failed, returns false. - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - // Always one of VMA_ALLOCATION_CREATE_STRATEGY_* or VMA_ALLOCATION_INTERNAL_STRATEGY_* flags. - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest) = 0; - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest) = 0; - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) = 0; - - virtual VkResult CheckCorruption(const void* pBlockData) = 0; - - // Makes actual allocation based on request. Request must already be checked and valid. - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation) = 0; - - // Frees suballocation assigned to given memory region. - virtual void Free(const VmaAllocation allocation) = 0; - virtual void FreeAtOffset(VkDeviceSize offset) = 0; - -protected: - const VkAllocationCallbacks* GetAllocationCallbacks() const { return m_pAllocationCallbacks; } - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMap_Begin(class VmaJsonWriter& json, - VkDeviceSize unusedBytes, - size_t allocationCount, - size_t unusedRangeCount) const; - void PrintDetailedMap_Allocation(class VmaJsonWriter& json, - VkDeviceSize offset, - VmaAllocation hAllocation) const; - void PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, - VkDeviceSize offset, - VkDeviceSize size) const; - void PrintDetailedMap_End(class VmaJsonWriter& json) const; -#endif - -private: - VkDeviceSize m_Size; - const VkAllocationCallbacks* m_pAllocationCallbacks; -}; - -#define VMA_VALIDATE(cond) do { if(!(cond)) { \ - VMA_ASSERT(0 && "Validation failed: " #cond); \ - return false; \ - } } while(false) - -class VmaBlockMetadata_Generic : public VmaBlockMetadata -{ - VMA_CLASS_NO_COPY(VmaBlockMetadata_Generic) -public: - VmaBlockMetadata_Generic(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata_Generic(); - virtual void Init(VkDeviceSize size); - - virtual bool Validate() const; - virtual size_t GetAllocationCount() const { return m_Suballocations.size() - m_FreeCount; } - virtual VkDeviceSize GetSumFreeSize() const { return m_SumFreeSize; } - virtual VkDeviceSize GetUnusedRangeSizeMax() const; - virtual bool IsEmpty() const; - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const; - virtual void AddPoolStats(VmaPoolStats& inoutStats) const; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const; -#endif - - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest); - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - virtual VkResult CheckCorruption(const void* pBlockData); - - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation); - - virtual void Free(const VmaAllocation allocation); - virtual void FreeAtOffset(VkDeviceSize offset); - - //////////////////////////////////////////////////////////////////////////////// - // For defragmentation + typedef typename ItemTypeTraits::ItemType ItemType; + static ItemType* GetPrev(const ItemType* item) { return ItemTypeTraits::GetPrev(item); } + static ItemType* GetNext(const ItemType* item) { return ItemTypeTraits::GetNext(item); } + + // Movable, not copyable. + VmaIntrusiveLinkedList() = default; + VmaIntrusiveLinkedList(VmaIntrusiveLinkedList && src); + VmaIntrusiveLinkedList(const VmaIntrusiveLinkedList&) = delete; + VmaIntrusiveLinkedList& operator=(VmaIntrusiveLinkedList&& src); + VmaIntrusiveLinkedList& operator=(const VmaIntrusiveLinkedList&) = delete; + ~VmaIntrusiveLinkedList() { VMA_HEAVY_ASSERT(IsEmpty()); } - bool IsBufferImageGranularityConflictPossible( - VkDeviceSize bufferImageGranularity, - VmaSuballocationType& inOutPrevSuballocType) const; + size_t GetCount() const { return m_Count; } + bool IsEmpty() const { return m_Count == 0; } + ItemType* Front() { return m_Front; } + ItemType* Back() { return m_Back; } + const ItemType* Front() const { return m_Front; } + const ItemType* Back() const { return m_Back; } + + void PushBack(ItemType* item); + void PushFront(ItemType* item); + ItemType* PopBack(); + ItemType* PopFront(); + + // MyItem can be null - it means PushBack. + void InsertBefore(ItemType* existingItem, ItemType* newItem); + // MyItem can be null - it means PushFront. + void InsertAfter(ItemType* existingItem, ItemType* newItem); + void Remove(ItemType* item); + void RemoveAll(); private: - friend class VmaDefragmentationAlgorithm_Generic; - friend class VmaDefragmentationAlgorithm_Fast; - - uint32_t m_FreeCount; - VkDeviceSize m_SumFreeSize; - VmaSuballocationList m_Suballocations; - // Suballocations that are free and have size greater than certain threshold. - // Sorted by size, ascending. - VmaVector< VmaSuballocationList::iterator, VmaStlAllocator< VmaSuballocationList::iterator > > m_FreeSuballocationsBySize; - - bool ValidateFreeSuballocationList() const; - - // Checks if requested suballocation with given parameters can be placed in given pFreeSuballocItem. - // If yes, fills pOffset and returns true. If no, returns false. - bool CheckAllocation( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - VmaSuballocationList::const_iterator suballocItem, - bool canMakeOtherLost, - VkDeviceSize* pOffset, - size_t* itemsToMakeLostCount, - VkDeviceSize* pSumFreeSize, - VkDeviceSize* pSumItemSize) const; - // Given free suballocation, it merges it with following one, which must also be free. - void MergeFreeWithNext(VmaSuballocationList::iterator item); - // Releases given suballocation, making it free. - // Merges it with adjacent free suballocations if applicable. - // Returns iterator to new free suballocation at this place. - VmaSuballocationList::iterator FreeSuballocation(VmaSuballocationList::iterator suballocItem); - // Given free suballocation, it inserts it into sorted list of - // m_FreeSuballocationsBySize if it's suitable. - void RegisterFreeSuballocation(VmaSuballocationList::iterator item); - // Given free suballocation, it removes it from sorted list of - // m_FreeSuballocationsBySize if it's suitable. - void UnregisterFreeSuballocation(VmaSuballocationList::iterator item); + ItemType* m_Front = VMA_NULL; + ItemType* m_Back = VMA_NULL; + size_t m_Count = 0; }; -/* -Allocations and their references in internal data structure look like this: - -if(m_2ndVectorMode == SECOND_VECTOR_EMPTY): - - 0 +-------+ - | | - | | - | | - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount] - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount + 1] - +-------+ - | ... | - +-------+ - | Alloc | 1st[1st.size() - 1] - +-------+ - | | - | | - | | -GetSize() +-------+ - -if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER): - - 0 +-------+ - | Alloc | 2nd[0] - +-------+ - | Alloc | 2nd[1] - +-------+ - | ... | - +-------+ - | Alloc | 2nd[2nd.size() - 1] - +-------+ - | | - | | - | | - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount] - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount + 1] - +-------+ - | ... | - +-------+ - | Alloc | 1st[1st.size() - 1] - +-------+ - | | -GetSize() +-------+ - -if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK): - - 0 +-------+ - | | - | | - | | - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount] - +-------+ - | Alloc | 1st[m_1stNullItemsBeginCount + 1] - +-------+ - | ... | - +-------+ - | Alloc | 1st[1st.size() - 1] - +-------+ - | | - | | - | | - +-------+ - | Alloc | 2nd[2nd.size() - 1] - +-------+ - | ... | - +-------+ - | Alloc | 2nd[1] - +-------+ - | Alloc | 2nd[0] -GetSize() +-------+ - -*/ -class VmaBlockMetadata_Linear : public VmaBlockMetadata +#ifndef _VMA_INTRUSIVE_LINKED_LIST_FUNCTIONS +template<typename ItemTypeTraits> +VmaIntrusiveLinkedList<ItemTypeTraits>::VmaIntrusiveLinkedList(VmaIntrusiveLinkedList&& src) + : m_Front(src.m_Front), m_Back(src.m_Back), m_Count(src.m_Count) { - VMA_CLASS_NO_COPY(VmaBlockMetadata_Linear) -public: - VmaBlockMetadata_Linear(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata_Linear(); - virtual void Init(VkDeviceSize size); - - virtual bool Validate() const; - virtual size_t GetAllocationCount() const; - virtual VkDeviceSize GetSumFreeSize() const { return m_SumFreeSize; } - virtual VkDeviceSize GetUnusedRangeSizeMax() const; - virtual bool IsEmpty() const { return GetAllocationCount() == 0; } - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const; - virtual void AddPoolStats(VmaPoolStats& inoutStats) const; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const; -#endif - - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest); - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - virtual VkResult CheckCorruption(const void* pBlockData); - - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation); - - virtual void Free(const VmaAllocation allocation); - virtual void FreeAtOffset(VkDeviceSize offset); - -private: - /* - There are two suballocation vectors, used in ping-pong way. - The one with index m_1stVectorIndex is called 1st. - The one with index (m_1stVectorIndex ^ 1) is called 2nd. - 2nd can be non-empty only when 1st is not empty. - When 2nd is not empty, m_2ndVectorMode indicates its mode of operation. - */ - typedef VmaVector< VmaSuballocation, VmaStlAllocator<VmaSuballocation> > SuballocationVectorType; - - enum SECOND_VECTOR_MODE - { - SECOND_VECTOR_EMPTY, - /* - Suballocations in 2nd vector are created later than the ones in 1st, but they - all have smaller offset. - */ - SECOND_VECTOR_RING_BUFFER, - /* - Suballocations in 2nd vector are upper side of double stack. - They all have offsets higher than those in 1st vector. - Top of this stack means smaller offsets, but higher indices in this vector. - */ - SECOND_VECTOR_DOUBLE_STACK, - }; - - VkDeviceSize m_SumFreeSize; - SuballocationVectorType m_Suballocations0, m_Suballocations1; - uint32_t m_1stVectorIndex; - SECOND_VECTOR_MODE m_2ndVectorMode; - - SuballocationVectorType& AccessSuballocations1st() { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } - SuballocationVectorType& AccessSuballocations2nd() { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } - const SuballocationVectorType& AccessSuballocations1st() const { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } - const SuballocationVectorType& AccessSuballocations2nd() const { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } - - // Number of items in 1st vector with hAllocation = null at the beginning. - size_t m_1stNullItemsBeginCount; - // Number of other items in 1st vector with hAllocation = null somewhere in the middle. - size_t m_1stNullItemsMiddleCount; - // Number of items in 2nd vector with hAllocation = null. - size_t m_2ndNullItemsCount; - - bool ShouldCompact1st() const; - void CleanupAfterFree(); - - bool CreateAllocationRequest_LowerAddress( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t /*strategy*/, - VmaAllocationRequest* pAllocationRequest); - bool CreateAllocationRequest_UpperAddress( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); -}; - -/* -- GetSize() is the original size of allocated memory block. -- m_UsableSize is this size aligned down to a power of two. - All allocations and calculations happen relative to m_UsableSize. -- GetUnusableSize() is the difference between them. - It is repoted as separate, unused range, not available for allocations. + src.m_Front = src.m_Back = VMA_NULL; + src.m_Count = 0; +} -Node at level 0 has size = m_UsableSize. -Each next level contains nodes with size 2 times smaller than current level. -m_LevelCount is the maximum number of levels to use in the current object. -*/ -class VmaBlockMetadata_Buddy : public VmaBlockMetadata +template<typename ItemTypeTraits> +VmaIntrusiveLinkedList<ItemTypeTraits>& VmaIntrusiveLinkedList<ItemTypeTraits>::operator=(VmaIntrusiveLinkedList&& src) { - VMA_CLASS_NO_COPY(VmaBlockMetadata_Buddy) -public: - VmaBlockMetadata_Buddy(VmaAllocator hAllocator); - virtual ~VmaBlockMetadata_Buddy(); - virtual void Init(VkDeviceSize size); - - virtual bool Validate() const; - virtual size_t GetAllocationCount() const { return m_AllocationCount; } - virtual VkDeviceSize GetSumFreeSize() const { return m_SumFreeSize + GetUnusableSize(); } - virtual VkDeviceSize GetUnusedRangeSizeMax() const; - virtual bool IsEmpty() const { return m_Root->type == Node::TYPE_FREE; } - - virtual void CalcAllocationStatInfo(VmaStatInfo& outInfo) const; - virtual void AddPoolStats(VmaPoolStats& inoutStats) const; - -#if VMA_STATS_STRING_ENABLED - virtual void PrintDetailedMap(class VmaJsonWriter& json) const; -#endif - - virtual bool CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - bool upperAddress, - VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t strategy, - VmaAllocationRequest* pAllocationRequest); - - virtual bool MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest); - - virtual uint32_t MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount); - - virtual VkResult CheckCorruption(const void* /*pBlockData*/) { return VK_ERROR_FEATURE_NOT_PRESENT; } - - virtual void Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation); - - virtual void Free(const VmaAllocation allocation) { FreeAtOffset(allocation, allocation->GetOffset()); } - virtual void FreeAtOffset(VkDeviceSize offset) { FreeAtOffset(VMA_NULL, offset); } - -private: - static const VkDeviceSize MIN_NODE_SIZE = 32; - static const size_t MAX_LEVELS = 30; - - struct ValidationContext - { - size_t calculatedAllocationCount; - size_t calculatedFreeCount; - VkDeviceSize calculatedSumFreeSize; - - ValidationContext() : - calculatedAllocationCount(0), - calculatedFreeCount(0), - calculatedSumFreeSize(0) { } - }; - - struct Node + if (&src != this) { - VkDeviceSize offset; - enum TYPE - { - TYPE_FREE, - TYPE_ALLOCATION, - TYPE_SPLIT, - TYPE_COUNT - } type; - Node* parent; - Node* buddy; - - union - { - struct - { - Node* prev; - Node* next; - } free; - struct - { - VmaAllocation alloc; - } allocation; - struct - { - Node* leftChild; - } split; - }; - }; - - // Size of the memory block aligned down to a power of two. - VkDeviceSize m_UsableSize; - uint32_t m_LevelCount; - - Node* m_Root; - struct { - Node* front; - Node* back; - } m_FreeList[MAX_LEVELS]; - // Number of nodes in the tree with type == TYPE_ALLOCATION. - size_t m_AllocationCount; - // Number of nodes in the tree with type == TYPE_FREE. - size_t m_FreeCount; - // This includes space wasted due to internal fragmentation. Doesn't include unusable size. - VkDeviceSize m_SumFreeSize; - - VkDeviceSize GetUnusableSize() const { return GetSize() - m_UsableSize; } - void DeleteNode(Node* node); - bool ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const; - uint32_t AllocSizeToLevel(VkDeviceSize allocSize) const; - inline VkDeviceSize LevelToNodeSize(uint32_t level) const { return m_UsableSize >> level; } - // Alloc passed just for validation. Can be null. - void FreeAtOffset(VmaAllocation alloc, VkDeviceSize offset); - void CalcAllocationStatInfoNode(VmaStatInfo& outInfo, const Node* node, VkDeviceSize levelNodeSize) const; - // Adds node to the front of FreeList at given level. - // node->type must be FREE. - // node->free.prev, next can be undefined. - void AddToFreeListFront(uint32_t level, Node* node); - // Removes node from FreeList at given level. - // node->type must be FREE. - // node->free.prev, next stay untouched. - void RemoveFromFreeList(uint32_t level, Node* node); - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMapNode(class VmaJsonWriter& json, const Node* node, VkDeviceSize levelNodeSize) const; -#endif -}; - -/* -Represents a single block of device memory (`VkDeviceMemory`) with all the -data about its regions (aka suballocations, #VmaAllocation), assigned and free. + VMA_HEAVY_ASSERT(IsEmpty()); + m_Front = src.m_Front; + m_Back = src.m_Back; + m_Count = src.m_Count; + src.m_Front = src.m_Back = VMA_NULL; + src.m_Count = 0; + } + return *this; +} -Thread-safety: This class must be externally synchronized. -*/ -class VmaDeviceMemoryBlock +template<typename ItemTypeTraits> +void VmaIntrusiveLinkedList<ItemTypeTraits>::PushBack(ItemType* item) { - VMA_CLASS_NO_COPY(VmaDeviceMemoryBlock) -public: - VmaBlockMetadata* m_pMetadata; - - VmaDeviceMemoryBlock(VmaAllocator hAllocator); - - ~VmaDeviceMemoryBlock() + VMA_HEAVY_ASSERT(ItemTypeTraits::GetPrev(item) == VMA_NULL && ItemTypeTraits::GetNext(item) == VMA_NULL); + if (IsEmpty()) { - VMA_ASSERT(m_MapCount == 0 && "VkDeviceMemory block is being destroyed while it is still mapped."); - VMA_ASSERT(m_hMemory == VK_NULL_HANDLE); + m_Front = item; + m_Back = item; + m_Count = 1; } - - // Always call after construction. - void Init( - VmaAllocator hAllocator, - VmaPool hParentPool, - uint32_t newMemoryTypeIndex, - VkDeviceMemory newMemory, - VkDeviceSize newSize, - uint32_t id, - uint32_t algorithm); - // Always call before destruction. - void Destroy(VmaAllocator allocator); - - VmaPool GetParentPool() const { return m_hParentPool; } - VkDeviceMemory GetDeviceMemory() const { return m_hMemory; } - uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } - uint32_t GetId() const { return m_Id; } - void* GetMappedData() const { return m_pMappedData; } - - // Validates all data structures inside this object. If not valid, returns false. - bool Validate() const; - - VkResult CheckCorruption(VmaAllocator hAllocator); - - // ppData can be null. - VkResult Map(VmaAllocator hAllocator, uint32_t count, void** ppData); - void Unmap(VmaAllocator hAllocator, uint32_t count); - - VkResult WriteMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); - VkResult ValidateMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); - - VkResult BindBufferMemory( - const VmaAllocator hAllocator, - const VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkBuffer hBuffer, - const void* pNext); - VkResult BindImageMemory( - const VmaAllocator hAllocator, - const VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkImage hImage, - const void* pNext); - -private: - VmaPool m_hParentPool; // VK_NULL_HANDLE if not belongs to custom pool. - uint32_t m_MemoryTypeIndex; - uint32_t m_Id; - VkDeviceMemory m_hMemory; - - /* - Protects access to m_hMemory so it's not used by multiple threads simultaneously, e.g. vkMapMemory, vkBindBufferMemory. - Also protects m_MapCount, m_pMappedData. - Allocations, deallocations, any change in m_pMetadata is protected by parent's VmaBlockVector::m_Mutex. - */ - VMA_MUTEX m_Mutex; - uint32_t m_MapCount; - void* m_pMappedData; -}; - -struct VmaPointerLess -{ - bool operator()(const void* lhs, const void* rhs) const + else { - return lhs < rhs; + ItemTypeTraits::AccessPrev(item) = m_Back; + ItemTypeTraits::AccessNext(m_Back) = item; + m_Back = item; + ++m_Count; } -}; - -struct VmaDefragmentationMove -{ - size_t srcBlockIndex; - size_t dstBlockIndex; - VkDeviceSize srcOffset; - VkDeviceSize dstOffset; - VkDeviceSize size; -}; - -class VmaDefragmentationAlgorithm; - -/* -Sequence of VmaDeviceMemoryBlock. Represents memory blocks allocated for a specific -Vulkan memory type. - -Synchronized internally with a mutex. -*/ -struct VmaBlockVector -{ - VMA_CLASS_NO_COPY(VmaBlockVector) -public: - VmaBlockVector( - VmaAllocator hAllocator, - VmaPool hParentPool, - uint32_t memoryTypeIndex, - VkDeviceSize preferredBlockSize, - size_t minBlockCount, - size_t maxBlockCount, - VkDeviceSize bufferImageGranularity, - uint32_t frameInUseCount, - bool explicitBlockSize, - uint32_t algorithm); - ~VmaBlockVector(); - - VkResult CreateMinBlocks(); - - VmaAllocator GetAllocator() const { return m_hAllocator; } - VmaPool GetParentPool() const { return m_hParentPool; } - bool IsCustomPool() const { return m_hParentPool != VMA_NULL; } - uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } - VkDeviceSize GetPreferredBlockSize() const { return m_PreferredBlockSize; } - VkDeviceSize GetBufferImageGranularity() const { return m_BufferImageGranularity; } - uint32_t GetFrameInUseCount() const { return m_FrameInUseCount; } - uint32_t GetAlgorithm() const { return m_Algorithm; } - - void GetPoolStats(VmaPoolStats* pStats); - - bool IsEmpty(); - bool IsCorruptionDetectionEnabled() const; - - VkResult Allocate( - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations); - - void Free(const VmaAllocation hAllocation); - - // Adds statistics of this BlockVector to pStats. - void AddStats(VmaStats* pStats); - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMap(class VmaJsonWriter& json); -#endif - - void MakePoolAllocationsLost( - uint32_t currentFrameIndex, - size_t* pLostAllocationCount); - VkResult CheckCorruption(); - - // Saves results in pCtx->res. - void Defragment( - class VmaBlockVectorDefragmentationContext* pCtx, - VmaDefragmentationStats* pStats, - VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove, - VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer); - void DefragmentationEnd( - class VmaBlockVectorDefragmentationContext* pCtx, - VmaDefragmentationStats* pStats); - - //////////////////////////////////////////////////////////////////////////////// - // To be used only while the m_Mutex is locked. Used during defragmentation. - - size_t GetBlockCount() const { return m_Blocks.size(); } - VmaDeviceMemoryBlock* GetBlock(size_t index) const { return m_Blocks[index]; } - size_t CalcAllocationCount() const; - bool IsBufferImageGranularityConflictPossible() const; - -private: - friend class VmaDefragmentationAlgorithm_Generic; - - const VmaAllocator m_hAllocator; - const VmaPool m_hParentPool; - const uint32_t m_MemoryTypeIndex; - const VkDeviceSize m_PreferredBlockSize; - const size_t m_MinBlockCount; - const size_t m_MaxBlockCount; - const VkDeviceSize m_BufferImageGranularity; - const uint32_t m_FrameInUseCount; - const bool m_ExplicitBlockSize; - const uint32_t m_Algorithm; - VMA_RW_MUTEX m_Mutex; - - /* There can be at most one allocation that is completely empty (except when minBlockCount > 0) - - a hysteresis to avoid pessimistic case of alternating creation and destruction of a VkDeviceMemory. */ - bool m_HasEmptyBlock; - // Incrementally sorted by sumFreeSize, ascending. - VmaVector< VmaDeviceMemoryBlock*, VmaStlAllocator<VmaDeviceMemoryBlock*> > m_Blocks; - uint32_t m_NextBlockId; - - VkDeviceSize CalcMaxBlockSize() const; - - // Finds and removes given block from vector. - void Remove(VmaDeviceMemoryBlock* pBlock); - - // Performs single step in sorting m_Blocks. They may not be fully sorted - // after this call. - void IncrementallySortBlocks(); - - VkResult AllocatePage( - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - VmaAllocation* pAllocation); - - // To be used only without CAN_MAKE_OTHER_LOST flag. - VkResult AllocateFromBlock( - VmaDeviceMemoryBlock* pBlock, - uint32_t currentFrameIndex, - VkDeviceSize size, - VkDeviceSize alignment, - VmaAllocationCreateFlags allocFlags, - void* pUserData, - VmaSuballocationType suballocType, - uint32_t strategy, - VmaAllocation* pAllocation); - - VkResult CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex); - - // Saves result to pCtx->res. - void ApplyDefragmentationMovesCpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves); - // Saves result to pCtx->res. - void ApplyDefragmentationMovesGpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkCommandBuffer commandBuffer); - - /* - Used during defragmentation. pDefragmentationStats is optional. It's in/out - - updated with new data. - */ - void FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats); - - void UpdateHasEmptyBlock(); -}; - -struct VmaPool_T -{ - VMA_CLASS_NO_COPY(VmaPool_T) -public: - VmaBlockVector m_BlockVector; - - VmaPool_T( - VmaAllocator hAllocator, - const VmaPoolCreateInfo& createInfo, - VkDeviceSize preferredBlockSize); - ~VmaPool_T(); - - uint32_t GetId() const { return m_Id; } - void SetId(uint32_t id) { VMA_ASSERT(m_Id == 0); m_Id = id; } - - const char* GetName() const { return m_Name; } - void SetName(const char* pName); - -#if VMA_STATS_STRING_ENABLED - //void PrintDetailedMap(class VmaStringBuilder& sb); -#endif - -private: - uint32_t m_Id; - char* m_Name; -}; - -/* -Performs defragmentation: +} -- Updates `pBlockVector->m_pMetadata`. -- Updates allocations by calling ChangeBlockAllocation() or ChangeOffset(). -- Does not move actual data, only returns requested moves as `moves`. -*/ -class VmaDefragmentationAlgorithm +template<typename ItemTypeTraits> +void VmaIntrusiveLinkedList<ItemTypeTraits>::PushFront(ItemType* item) { - VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm) -public: - VmaDefragmentationAlgorithm( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex) : - m_hAllocator(hAllocator), - m_pBlockVector(pBlockVector), - m_CurrentFrameIndex(currentFrameIndex) + VMA_HEAVY_ASSERT(ItemTypeTraits::GetPrev(item) == VMA_NULL && ItemTypeTraits::GetNext(item) == VMA_NULL); + if (IsEmpty()) { + m_Front = item; + m_Back = item; + m_Count = 1; } - virtual ~VmaDefragmentationAlgorithm() + else { + ItemTypeTraits::AccessNext(item) = m_Front; + ItemTypeTraits::AccessPrev(m_Front) = item; + m_Front = item; + ++m_Count; } +} - virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) = 0; - virtual void AddAll() = 0; - - virtual VkResult Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove) = 0; - - virtual VkDeviceSize GetBytesMoved() const = 0; - virtual uint32_t GetAllocationsMoved() const = 0; - -protected: - VmaAllocator const m_hAllocator; - VmaBlockVector* const m_pBlockVector; - const uint32_t m_CurrentFrameIndex; - - struct AllocationInfo - { - VmaAllocation m_hAllocation; - VkBool32* m_pChanged; - - AllocationInfo() : - m_hAllocation(VK_NULL_HANDLE), - m_pChanged(VMA_NULL) - { - } - AllocationInfo(VmaAllocation hAlloc, VkBool32* pChanged) : - m_hAllocation(hAlloc), - m_pChanged(pChanged) - { - } - }; -}; - -class VmaDefragmentationAlgorithm_Generic : public VmaDefragmentationAlgorithm +template<typename ItemTypeTraits> +typename VmaIntrusiveLinkedList<ItemTypeTraits>::ItemType* VmaIntrusiveLinkedList<ItemTypeTraits>::PopBack() { - VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm_Generic) -public: - VmaDefragmentationAlgorithm_Generic( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool overlappingMoveSupported); - virtual ~VmaDefragmentationAlgorithm_Generic(); - - virtual void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged); - virtual void AddAll() { m_AllAllocations = true; } - - virtual VkResult Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove); - - virtual VkDeviceSize GetBytesMoved() const { return m_BytesMoved; } - virtual uint32_t GetAllocationsMoved() const { return m_AllocationsMoved; } - -private: - uint32_t m_AllocationCount; - bool m_AllAllocations; - - VkDeviceSize m_BytesMoved; - uint32_t m_AllocationsMoved; - - struct AllocationInfoSizeGreater - { - bool operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const - { - return lhs.m_hAllocation->GetSize() > rhs.m_hAllocation->GetSize(); - } - }; - - struct AllocationInfoOffsetGreater + VMA_HEAVY_ASSERT(m_Count > 0); + ItemType* const backItem = m_Back; + ItemType* const prevItem = ItemTypeTraits::GetPrev(backItem); + if (prevItem != VMA_NULL) { - bool operator()(const AllocationInfo& lhs, const AllocationInfo& rhs) const - { - return lhs.m_hAllocation->GetOffset() > rhs.m_hAllocation->GetOffset(); - } - }; + ItemTypeTraits::AccessNext(prevItem) = VMA_NULL; + } + m_Back = prevItem; + --m_Count; + ItemTypeTraits::AccessPrev(backItem) = VMA_NULL; + ItemTypeTraits::AccessNext(backItem) = VMA_NULL; + return backItem; +} - struct BlockInfo +template<typename ItemTypeTraits> +typename VmaIntrusiveLinkedList<ItemTypeTraits>::ItemType* VmaIntrusiveLinkedList<ItemTypeTraits>::PopFront() +{ + VMA_HEAVY_ASSERT(m_Count > 0); + ItemType* const frontItem = m_Front; + ItemType* const nextItem = ItemTypeTraits::GetNext(frontItem); + if (nextItem != VMA_NULL) { - size_t m_OriginalBlockIndex; - VmaDeviceMemoryBlock* m_pBlock; - bool m_HasNonMovableAllocations; - VmaVector< AllocationInfo, VmaStlAllocator<AllocationInfo> > m_Allocations; - - BlockInfo(const VkAllocationCallbacks* pAllocationCallbacks) : - m_OriginalBlockIndex(SIZE_MAX), - m_pBlock(VMA_NULL), - m_HasNonMovableAllocations(true), - m_Allocations(pAllocationCallbacks) - { - } - - void CalcHasNonMovableAllocations() - { - const size_t blockAllocCount = m_pBlock->m_pMetadata->GetAllocationCount(); - const size_t defragmentAllocCount = m_Allocations.size(); - m_HasNonMovableAllocations = blockAllocCount != defragmentAllocCount; - } - - void SortAllocationsBySizeDescending() - { - VMA_SORT(m_Allocations.begin(), m_Allocations.end(), AllocationInfoSizeGreater()); - } - - void SortAllocationsByOffsetDescending() - { - VMA_SORT(m_Allocations.begin(), m_Allocations.end(), AllocationInfoOffsetGreater()); - } - }; + ItemTypeTraits::AccessPrev(nextItem) = VMA_NULL; + } + m_Front = nextItem; + --m_Count; + ItemTypeTraits::AccessPrev(frontItem) = VMA_NULL; + ItemTypeTraits::AccessNext(frontItem) = VMA_NULL; + return frontItem; +} - struct BlockPointerLess +template<typename ItemTypeTraits> +void VmaIntrusiveLinkedList<ItemTypeTraits>::InsertBefore(ItemType* existingItem, ItemType* newItem) +{ + VMA_HEAVY_ASSERT(newItem != VMA_NULL && ItemTypeTraits::GetPrev(newItem) == VMA_NULL && ItemTypeTraits::GetNext(newItem) == VMA_NULL); + if (existingItem != VMA_NULL) { - bool operator()(const BlockInfo* pLhsBlockInfo, const VmaDeviceMemoryBlock* pRhsBlock) const - { - return pLhsBlockInfo->m_pBlock < pRhsBlock; - } - bool operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const + ItemType* const prevItem = ItemTypeTraits::GetPrev(existingItem); + ItemTypeTraits::AccessPrev(newItem) = prevItem; + ItemTypeTraits::AccessNext(newItem) = existingItem; + ItemTypeTraits::AccessPrev(existingItem) = newItem; + if (prevItem != VMA_NULL) { - return pLhsBlockInfo->m_pBlock < pRhsBlockInfo->m_pBlock; + ItemTypeTraits::AccessNext(prevItem) = newItem; } - }; - - // 1. Blocks with some non-movable allocations go first. - // 2. Blocks with smaller sumFreeSize go first. - struct BlockInfoCompareMoveDestination - { - bool operator()(const BlockInfo* pLhsBlockInfo, const BlockInfo* pRhsBlockInfo) const + else { - if(pLhsBlockInfo->m_HasNonMovableAllocations && !pRhsBlockInfo->m_HasNonMovableAllocations) - { - return true; - } - if(!pLhsBlockInfo->m_HasNonMovableAllocations && pRhsBlockInfo->m_HasNonMovableAllocations) - { - return false; - } - if(pLhsBlockInfo->m_pBlock->m_pMetadata->GetSumFreeSize() < pRhsBlockInfo->m_pBlock->m_pMetadata->GetSumFreeSize()) - { - return true; - } - return false; + VMA_HEAVY_ASSERT(m_Front == existingItem); + m_Front = newItem; } - }; - - typedef VmaVector< BlockInfo*, VmaStlAllocator<BlockInfo*> > BlockInfoVector; - BlockInfoVector m_Blocks; - - VkResult DefragmentRound( - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove); - - size_t CalcBlocksWithNonMovableCount() const; - - static bool MoveMakesSense( - size_t dstBlockIndex, VkDeviceSize dstOffset, - size_t srcBlockIndex, VkDeviceSize srcOffset); -}; + ++m_Count; + } + else + PushBack(newItem); +} -class VmaDefragmentationAlgorithm_Fast : public VmaDefragmentationAlgorithm +template<typename ItemTypeTraits> +void VmaIntrusiveLinkedList<ItemTypeTraits>::InsertAfter(ItemType* existingItem, ItemType* newItem) { - VMA_CLASS_NO_COPY(VmaDefragmentationAlgorithm_Fast) -public: - VmaDefragmentationAlgorithm_Fast( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool overlappingMoveSupported); - virtual ~VmaDefragmentationAlgorithm_Fast(); - - virtual void AddAllocation(VmaAllocation /*hAlloc*/, VkBool32* /*pChanged*/) { ++m_AllocationCount; } - virtual void AddAll() { m_AllAllocations = true; } - - virtual VkResult Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove); - - virtual VkDeviceSize GetBytesMoved() const { return m_BytesMoved; } - virtual uint32_t GetAllocationsMoved() const { return m_AllocationsMoved; } - -private: - struct BlockInfo + VMA_HEAVY_ASSERT(newItem != VMA_NULL && ItemTypeTraits::GetPrev(newItem) == VMA_NULL && ItemTypeTraits::GetNext(newItem) == VMA_NULL); + if (existingItem != VMA_NULL) { - size_t origBlockIndex; - }; - - class FreeSpaceDatabase - { - public: - FreeSpaceDatabase() + ItemType* const nextItem = ItemTypeTraits::GetNext(existingItem); + ItemTypeTraits::AccessNext(newItem) = nextItem; + ItemTypeTraits::AccessPrev(newItem) = existingItem; + ItemTypeTraits::AccessNext(existingItem) = newItem; + if (nextItem != VMA_NULL) { - FreeSpace s = {}; - s.blockInfoIndex = SIZE_MAX; - for(size_t i = 0; i < MAX_COUNT; ++i) - { - m_FreeSpaces[i] = s; - } - } - - void Register(size_t blockInfoIndex, VkDeviceSize offset, VkDeviceSize size) - { - if(size < VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - return; - } - - // Find first invalid or the smallest structure. - size_t bestIndex = SIZE_MAX; - for(size_t i = 0; i < MAX_COUNT; ++i) - { - // Empty structure. - if(m_FreeSpaces[i].blockInfoIndex == SIZE_MAX) - { - bestIndex = i; - break; - } - if(m_FreeSpaces[i].size < size && - (bestIndex == SIZE_MAX || m_FreeSpaces[bestIndex].size > m_FreeSpaces[i].size)) - { - bestIndex = i; - } - } - - if(bestIndex != SIZE_MAX) - { - m_FreeSpaces[bestIndex].blockInfoIndex = blockInfoIndex; - m_FreeSpaces[bestIndex].offset = offset; - m_FreeSpaces[bestIndex].size = size; - } + ItemTypeTraits::AccessPrev(nextItem) = newItem; } - - bool Fetch(VkDeviceSize alignment, VkDeviceSize size, - size_t& outBlockInfoIndex, VkDeviceSize& outDstOffset) + else { - size_t bestIndex = SIZE_MAX; - VkDeviceSize bestFreeSpaceAfter = 0; - for(size_t i = 0; i < MAX_COUNT; ++i) - { - // Structure is valid. - if(m_FreeSpaces[i].blockInfoIndex != SIZE_MAX) - { - const VkDeviceSize dstOffset = VmaAlignUp(m_FreeSpaces[i].offset, alignment); - // Allocation fits into this structure. - if(dstOffset + size <= m_FreeSpaces[i].offset + m_FreeSpaces[i].size) - { - const VkDeviceSize freeSpaceAfter = (m_FreeSpaces[i].offset + m_FreeSpaces[i].size) - - (dstOffset + size); - if(bestIndex == SIZE_MAX || freeSpaceAfter > bestFreeSpaceAfter) - { - bestIndex = i; - bestFreeSpaceAfter = freeSpaceAfter; - } - } - } - } - - if(bestIndex != SIZE_MAX) - { - outBlockInfoIndex = m_FreeSpaces[bestIndex].blockInfoIndex; - outDstOffset = VmaAlignUp(m_FreeSpaces[bestIndex].offset, alignment); - - if(bestFreeSpaceAfter >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - // Leave this structure for remaining empty space. - const VkDeviceSize alignmentPlusSize = (outDstOffset - m_FreeSpaces[bestIndex].offset) + size; - m_FreeSpaces[bestIndex].offset += alignmentPlusSize; - m_FreeSpaces[bestIndex].size -= alignmentPlusSize; - } - else - { - // This structure becomes invalid. - m_FreeSpaces[bestIndex].blockInfoIndex = SIZE_MAX; - } - - return true; - } - - return false; + VMA_HEAVY_ASSERT(m_Back == existingItem); + m_Back = newItem; } + ++m_Count; + } + else + return PushFront(newItem); +} - private: - static const size_t MAX_COUNT = 4; - - struct FreeSpace - { - size_t blockInfoIndex; // SIZE_MAX means this structure is invalid. - VkDeviceSize offset; - VkDeviceSize size; - } m_FreeSpaces[MAX_COUNT]; - }; - - const bool m_OverlappingMoveSupported; - - uint32_t m_AllocationCount; - bool m_AllAllocations; - - VkDeviceSize m_BytesMoved; - uint32_t m_AllocationsMoved; - - VmaVector< BlockInfo, VmaStlAllocator<BlockInfo> > m_BlockInfos; - - void PreprocessMetadata(); - void PostprocessMetadata(); - void InsertSuballoc(VmaBlockMetadata_Generic* pMetadata, const VmaSuballocation& suballoc); -}; - -struct VmaBlockDefragmentationContext +template<typename ItemTypeTraits> +void VmaIntrusiveLinkedList<ItemTypeTraits>::Remove(ItemType* item) { - enum BLOCK_FLAG + VMA_HEAVY_ASSERT(item != VMA_NULL && m_Count > 0); + if (ItemTypeTraits::GetPrev(item) != VMA_NULL) { - BLOCK_FLAG_USED = 0x00000001, - }; - uint32_t flags; - VkBuffer hBuffer; -}; - -class VmaBlockVectorDefragmentationContext -{ - VMA_CLASS_NO_COPY(VmaBlockVectorDefragmentationContext) -public: - VkResult res; - bool mutexLocked; - VmaVector< VmaBlockDefragmentationContext, VmaStlAllocator<VmaBlockDefragmentationContext> > blockContexts; - - VmaBlockVectorDefragmentationContext( - VmaAllocator hAllocator, - VmaPool hCustomPool, // Optional. - VmaBlockVector* pBlockVector, - uint32_t currFrameIndex); - ~VmaBlockVectorDefragmentationContext(); - - VmaPool GetCustomPool() const { return m_hCustomPool; } - VmaBlockVector* GetBlockVector() const { return m_pBlockVector; } - VmaDefragmentationAlgorithm* GetAlgorithm() const { return m_pAlgorithm; } - - void AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged); - void AddAll() { m_AllAllocations = true; } - - void Begin(bool overlappingMoveSupported); - -private: - const VmaAllocator m_hAllocator; - // Null if not from custom pool. - const VmaPool m_hCustomPool; - // Redundant, for convenience not to fetch from m_hCustomPool->m_BlockVector or m_hAllocator->m_pBlockVectors. - VmaBlockVector* const m_pBlockVector; - const uint32_t m_CurrFrameIndex; - // Owner of this object. - VmaDefragmentationAlgorithm* m_pAlgorithm; - - struct AllocInfo - { - VmaAllocation hAlloc; - VkBool32* pChanged; - }; - // Used between constructor and Begin. - VmaVector< AllocInfo, VmaStlAllocator<AllocInfo> > m_Allocations; - bool m_AllAllocations; -}; - -struct VmaDefragmentationContext_T -{ -private: - VMA_CLASS_NO_COPY(VmaDefragmentationContext_T) -public: - VmaDefragmentationContext_T( - VmaAllocator hAllocator, - uint32_t currFrameIndex, - uint32_t flags, - VmaDefragmentationStats* pStats); - ~VmaDefragmentationContext_T(); - - void AddPools(uint32_t poolCount, VmaPool* pPools); - void AddAllocations( - uint32_t allocationCount, - VmaAllocation* pAllocations, - VkBool32* pAllocationsChanged); - - /* - Returns: - - `VK_SUCCESS` if succeeded and object can be destroyed immediately. - - `VK_NOT_READY` if succeeded but the object must remain alive until vmaDefragmentationEnd(). - - Negative value if error occured and object can be destroyed immediately. - */ - VkResult Defragment( - VkDeviceSize maxCpuBytesToMove, uint32_t maxCpuAllocationsToMove, - VkDeviceSize maxGpuBytesToMove, uint32_t maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer, VmaDefragmentationStats* pStats); - -private: - const VmaAllocator m_hAllocator; - const uint32_t m_CurrFrameIndex; - //const uint32_t m_Flags; - VmaDefragmentationStats* const m_pStats; - // Owner of these objects. - VmaBlockVectorDefragmentationContext* m_DefaultPoolContexts[VK_MAX_MEMORY_TYPES]; - // Owner of these objects. - VmaVector< VmaBlockVectorDefragmentationContext*, VmaStlAllocator<VmaBlockVectorDefragmentationContext*> > m_CustomPoolContexts; -}; - -#if VMA_RECORDING_ENABLED - -class VmaRecorder -{ -public: - VmaRecorder(); - VkResult Init(const VmaRecordSettings& settings, bool useMutex); - void WriteConfiguration( - const VkPhysicalDeviceProperties& devProps, - const VkPhysicalDeviceMemoryProperties& memProps, - uint32_t vulkanApiVersion, - bool dedicatedAllocationExtensionEnabled, - bool bindMemory2ExtensionEnabled, - bool memoryBudgetExtensionEnabled); - ~VmaRecorder(); - - void RecordCreateAllocator(uint32_t frameIndex); - void RecordDestroyAllocator(uint32_t frameIndex); - void RecordCreatePool(uint32_t frameIndex, - const VmaPoolCreateInfo& createInfo, - VmaPool pool); - void RecordDestroyPool(uint32_t frameIndex, VmaPool pool); - void RecordAllocateMemory(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation); - void RecordAllocateMemoryPages(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - uint64_t allocationCount, - const VmaAllocation* pAllocations); - void RecordAllocateMemoryForBuffer(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation); - void RecordAllocateMemoryForImage(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation); - void RecordFreeMemory(uint32_t frameIndex, - VmaAllocation allocation); - void RecordFreeMemoryPages(uint32_t frameIndex, - uint64_t allocationCount, - const VmaAllocation* pAllocations); - void RecordSetAllocationUserData(uint32_t frameIndex, - VmaAllocation allocation, - const void* pUserData); - void RecordCreateLostAllocation(uint32_t frameIndex, - VmaAllocation allocation); - void RecordMapMemory(uint32_t frameIndex, - VmaAllocation allocation); - void RecordUnmapMemory(uint32_t frameIndex, - VmaAllocation allocation); - void RecordFlushAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size); - void RecordInvalidateAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size); - void RecordCreateBuffer(uint32_t frameIndex, - const VkBufferCreateInfo& bufCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation); - void RecordCreateImage(uint32_t frameIndex, - const VkImageCreateInfo& imageCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation); - void RecordDestroyBuffer(uint32_t frameIndex, - VmaAllocation allocation); - void RecordDestroyImage(uint32_t frameIndex, - VmaAllocation allocation); - void RecordTouchAllocation(uint32_t frameIndex, - VmaAllocation allocation); - void RecordGetAllocationInfo(uint32_t frameIndex, - VmaAllocation allocation); - void RecordMakePoolAllocationsLost(uint32_t frameIndex, - VmaPool pool); - void RecordDefragmentationBegin(uint32_t frameIndex, - const VmaDefragmentationInfo2& info, - VmaDefragmentationContext ctx); - void RecordDefragmentationEnd(uint32_t frameIndex, - VmaDefragmentationContext ctx); - void RecordSetPoolName(uint32_t frameIndex, - VmaPool pool, - const char* name); - -private: - struct CallParams + ItemTypeTraits::AccessNext(ItemTypeTraits::AccessPrev(item)) = ItemTypeTraits::GetNext(item); + } + else { - uint32_t threadId; - double time; - }; + VMA_HEAVY_ASSERT(m_Front == item); + m_Front = ItemTypeTraits::GetNext(item); + } - class UserDataString + if (ItemTypeTraits::GetNext(item) != VMA_NULL) { - public: - UserDataString(VmaAllocationCreateFlags allocFlags, const void* pUserData); - const char* GetString() const { return m_Str; } - - private: - char m_PtrStr[17]; - const char* m_Str; - }; - - bool m_UseMutex; - VmaRecordFlags m_Flags; - FILE* m_File; - VMA_MUTEX m_FileMutex; - int64_t m_Freq; - int64_t m_StartCounter; - - void GetBasicParams(CallParams& outParams); + ItemTypeTraits::AccessPrev(ItemTypeTraits::AccessNext(item)) = ItemTypeTraits::GetPrev(item); + } + else + { + VMA_HEAVY_ASSERT(m_Back == item); + m_Back = ItemTypeTraits::GetPrev(item); + } + ItemTypeTraits::AccessPrev(item) = VMA_NULL; + ItemTypeTraits::AccessNext(item) = VMA_NULL; + --m_Count; +} - // T must be a pointer type, e.g. VmaAllocation, VmaPool. - template<typename T> - void PrintPointerList(uint64_t count, const T* pItems) +template<typename ItemTypeTraits> +void VmaIntrusiveLinkedList<ItemTypeTraits>::RemoveAll() +{ + if (!IsEmpty()) { - if(count) + ItemType* item = m_Back; + while (item != VMA_NULL) { - fprintf(m_File, "%p", pItems[0]); - for(uint64_t i = 1; i < count; ++i) - { - fprintf(m_File, " %p", pItems[i]); - } + ItemType* const prevItem = ItemTypeTraits::AccessPrev(item); + ItemTypeTraits::AccessPrev(item) = VMA_NULL; + ItemTypeTraits::AccessNext(item) = VMA_NULL; + item = prevItem; } + m_Front = VMA_NULL; + m_Back = VMA_NULL; + m_Count = 0; } +} +#endif // _VMA_INTRUSIVE_LINKED_LIST_FUNCTIONS +#endif // _VMA_INTRUSIVE_LINKED_LIST - void PrintPointerList(uint64_t count, const VmaAllocation* pItems); - void Flush(); -}; - -#endif // #if VMA_RECORDING_ENABLED +// Unused in this version. +#if 0 -/* -Thread-safe wrapper over VmaPoolAllocator free list, for allocation of VmaAllocation_T objects. -*/ -class VmaAllocationObjectAllocator +#ifndef _VMA_PAIR +template<typename T1, typename T2> +struct VmaPair { - VMA_CLASS_NO_COPY(VmaAllocationObjectAllocator) -public: - VmaAllocationObjectAllocator(const VkAllocationCallbacks* pAllocationCallbacks); - - VmaAllocation Allocate(); - void Free(VmaAllocation hAlloc); + T1 first; + T2 second; -private: - VMA_MUTEX m_Mutex; - VmaPoolAllocator<VmaAllocation_T> m_Allocator; + VmaPair() : first(), second() {} + VmaPair(const T1& firstSrc, const T2& secondSrc) : first(firstSrc), second(secondSrc) {} }; -struct VmaCurrentBudgetData +template<typename FirstT, typename SecondT> +struct VmaPairFirstLess { - VMA_ATOMIC_UINT64 m_BlockBytes[VK_MAX_MEMORY_HEAPS]; - VMA_ATOMIC_UINT64 m_AllocationBytes[VK_MAX_MEMORY_HEAPS]; - -#if VMA_MEMORY_BUDGET - VMA_ATOMIC_UINT32 m_OperationsSinceBudgetFetch; - VMA_RW_MUTEX m_BudgetMutex; - uint64_t m_VulkanUsage[VK_MAX_MEMORY_HEAPS]; - uint64_t m_VulkanBudget[VK_MAX_MEMORY_HEAPS]; - uint64_t m_BlockBytesAtBudgetFetch[VK_MAX_MEMORY_HEAPS]; -#endif // #if VMA_MEMORY_BUDGET - - VmaCurrentBudgetData() - { - for(uint32_t heapIndex = 0; heapIndex < VK_MAX_MEMORY_HEAPS; ++heapIndex) - { - m_BlockBytes[heapIndex] = 0; - m_AllocationBytes[heapIndex] = 0; -#if VMA_MEMORY_BUDGET - m_VulkanUsage[heapIndex] = 0; - m_VulkanBudget[heapIndex] = 0; - m_BlockBytesAtBudgetFetch[heapIndex] = 0; -#endif - } - -#if VMA_MEMORY_BUDGET - m_OperationsSinceBudgetFetch = 0; -#endif - } - - void AddAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) + bool operator()(const VmaPair<FirstT, SecondT>& lhs, const VmaPair<FirstT, SecondT>& rhs) const { - m_AllocationBytes[heapIndex] += allocationSize; -#if VMA_MEMORY_BUDGET - ++m_OperationsSinceBudgetFetch; -#endif + return lhs.first < rhs.first; } - - void RemoveAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) + bool operator()(const VmaPair<FirstT, SecondT>& lhs, const FirstT& rhsFirst) const { - VMA_ASSERT(m_AllocationBytes[heapIndex] >= allocationSize); // DELME - m_AllocationBytes[heapIndex] -= allocationSize; -#if VMA_MEMORY_BUDGET - ++m_OperationsSinceBudgetFetch; -#endif + return lhs.first < rhsFirst; } }; +#endif // _VMA_PAIR -// Main allocator object. -struct VmaAllocator_T +#ifndef _VMA_MAP +/* Class compatible with subset of interface of std::unordered_map. +KeyT, ValueT must be POD because they will be stored in VmaVector. +*/ +template<typename KeyT, typename ValueT> +class VmaMap { - VMA_CLASS_NO_COPY(VmaAllocator_T) public: - bool m_UseMutex; - uint32_t m_VulkanApiVersion; - bool m_UseKhrDedicatedAllocation; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). - bool m_UseKhrBindMemory2; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). - bool m_UseExtMemoryBudget; - VkDevice m_hDevice; - VkInstance m_hInstance; - bool m_AllocationCallbacksSpecified; - VkAllocationCallbacks m_AllocationCallbacks; - VmaDeviceMemoryCallbacks m_DeviceMemoryCallbacks; - VmaAllocationObjectAllocator m_AllocationObjectAllocator; - - // Each bit (1 << i) is set if HeapSizeLimit is enabled for that heap, so cannot allocate more than the heap size. - uint32_t m_HeapSizeLimitMask; - - VkPhysicalDeviceProperties m_PhysicalDeviceProperties; - VkPhysicalDeviceMemoryProperties m_MemProps; - - // Default pools. - VmaBlockVector* m_pBlockVectors[VK_MAX_MEMORY_TYPES]; - - // Each vector is sorted by memory (handle value). - typedef VmaVector< VmaAllocation, VmaStlAllocator<VmaAllocation> > AllocationVectorType; - AllocationVectorType* m_pDedicatedAllocations[VK_MAX_MEMORY_TYPES]; - VMA_RW_MUTEX m_DedicatedAllocationsMutex[VK_MAX_MEMORY_TYPES]; - - VmaCurrentBudgetData m_Budget; - - VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo); - VkResult Init(const VmaAllocatorCreateInfo* pCreateInfo); - ~VmaAllocator_T(); - - const VkAllocationCallbacks* GetAllocationCallbacks() const - { - return m_AllocationCallbacksSpecified ? &m_AllocationCallbacks : 0; - } - const VmaVulkanFunctions& GetVulkanFunctions() const - { - return m_VulkanFunctions; - } - - VkDeviceSize GetBufferImageGranularity() const - { - return VMA_MAX( - static_cast<VkDeviceSize>(VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY), - m_PhysicalDeviceProperties.limits.bufferImageGranularity); - } - - uint32_t GetMemoryHeapCount() const { return m_MemProps.memoryHeapCount; } - uint32_t GetMemoryTypeCount() const { return m_MemProps.memoryTypeCount; } - - uint32_t MemoryTypeIndexToHeapIndex(uint32_t memTypeIndex) const - { - VMA_ASSERT(memTypeIndex < m_MemProps.memoryTypeCount); - return m_MemProps.memoryTypes[memTypeIndex].heapIndex; - } - // True when specific memory type is HOST_VISIBLE but not HOST_COHERENT. - bool IsMemoryTypeNonCoherent(uint32_t memTypeIndex) const - { - return (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) == - VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; - } - // Minimum alignment for all allocations in specific memory type. - VkDeviceSize GetMemoryTypeMinAlignment(uint32_t memTypeIndex) const - { - return IsMemoryTypeNonCoherent(memTypeIndex) ? - VMA_MAX((VkDeviceSize)VMA_DEBUG_ALIGNMENT, m_PhysicalDeviceProperties.limits.nonCoherentAtomSize) : - (VkDeviceSize)VMA_DEBUG_ALIGNMENT; - } - - bool IsIntegratedGpu() const - { - return m_PhysicalDeviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU; - } - -#if VMA_RECORDING_ENABLED - VmaRecorder* GetRecorder() const { return m_pRecorder; } -#endif - - void GetBufferMemoryRequirements( - VkBuffer hBuffer, - VkMemoryRequirements& memReq, - bool& requiresDedicatedAllocation, - bool& prefersDedicatedAllocation) const; - void GetImageMemoryRequirements( - VkImage hImage, - VkMemoryRequirements& memReq, - bool& requiresDedicatedAllocation, - bool& prefersDedicatedAllocation) const; - - // Main allocation function. - VkResult AllocateMemory( - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - VkBuffer dedicatedBuffer, - VkImage dedicatedImage, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations); - - // Main deallocation function. - void FreeMemory( - size_t allocationCount, - const VmaAllocation* pAllocations); - - VkResult ResizeAllocation( - const VmaAllocation alloc, - VkDeviceSize newSize); - - void CalculateStats(VmaStats* pStats); - - void GetBudget( - VmaBudget* outBudget, uint32_t firstHeap, uint32_t heapCount); - -#if VMA_STATS_STRING_ENABLED - void PrintDetailedMap(class VmaJsonWriter& json); -#endif - - VkResult DefragmentationBegin( - const VmaDefragmentationInfo2& info, - VmaDefragmentationStats* pStats, - VmaDefragmentationContext* pContext); - VkResult DefragmentationEnd( - VmaDefragmentationContext context); - - void GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationInfo* pAllocationInfo); - bool TouchAllocation(VmaAllocation hAllocation); - - VkResult CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool); - void DestroyPool(VmaPool pool); - void GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats); - - void SetCurrentFrameIndex(uint32_t frameIndex); - uint32_t GetCurrentFrameIndex() const { return m_CurrentFrameIndex.load(); } - - void MakePoolAllocationsLost( - VmaPool hPool, - size_t* pLostAllocationCount); - VkResult CheckPoolCorruption(VmaPool hPool); - VkResult CheckCorruption(uint32_t memoryTypeBits); - - void CreateLostAllocation(VmaAllocation* pAllocation); - - // Call to Vulkan function vkAllocateMemory with accompanying bookkeeping. - VkResult AllocateVulkanMemory(const VkMemoryAllocateInfo* pAllocateInfo, VkDeviceMemory* pMemory); - // Call to Vulkan function vkFreeMemory with accompanying bookkeeping. - void FreeVulkanMemory(uint32_t memoryType, VkDeviceSize size, VkDeviceMemory hMemory); - // Call to Vulkan function vkBindBufferMemory or vkBindBufferMemory2KHR. - VkResult BindVulkanBuffer( - VkDeviceMemory memory, - VkDeviceSize memoryOffset, - VkBuffer buffer, - const void* pNext); - // Call to Vulkan function vkBindImageMemory or vkBindImageMemory2KHR. - VkResult BindVulkanImage( - VkDeviceMemory memory, - VkDeviceSize memoryOffset, - VkImage image, - const void* pNext); - - VkResult Map(VmaAllocation hAllocation, void** ppData); - void Unmap(VmaAllocation hAllocation); - - VkResult BindBufferMemory( - VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkBuffer hBuffer, - const void* pNext); - VkResult BindImageMemory( - VmaAllocation hAllocation, - VkDeviceSize allocationLocalOffset, - VkImage hImage, - const void* pNext); + typedef VmaPair<KeyT, ValueT> PairType; + typedef PairType* iterator; - void FlushOrInvalidateAllocation( - VmaAllocation hAllocation, - VkDeviceSize offset, VkDeviceSize size, - VMA_CACHE_OPERATION op); + VmaMap(const VmaStlAllocator<PairType>& allocator) : m_Vector(allocator) {} - void FillAllocation(const VmaAllocation hAllocation, uint8_t pattern); + iterator begin() { return m_Vector.begin(); } + iterator end() { return m_Vector.end(); } + size_t size() { return m_Vector.size(); } - /* - Returns bit mask of memory types that can support defragmentation on GPU as - they support creation of required buffer for copy operations. - */ - uint32_t GetGpuDefragmentationMemoryTypeBits(); + void insert(const PairType& pair); + iterator find(const KeyT& key); + void erase(iterator it); private: - VkDeviceSize m_PreferredLargeHeapBlockSize; - - VkPhysicalDevice m_PhysicalDevice; - VMA_ATOMIC_UINT32 m_CurrentFrameIndex; - VMA_ATOMIC_UINT32 m_GpuDefragmentationMemoryTypeBits; // UINT32_MAX means uninitialized. - - VMA_RW_MUTEX m_PoolsMutex; - // Protected by m_PoolsMutex. Sorted by pointer value. - VmaVector<VmaPool, VmaStlAllocator<VmaPool> > m_Pools; - uint32_t m_NextPoolId; - - VmaVulkanFunctions m_VulkanFunctions; - -#if VMA_RECORDING_ENABLED - VmaRecorder* m_pRecorder; -#endif - - void ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions); - - VkDeviceSize CalcPreferredBlockSize(uint32_t memTypeIndex); - - VkResult AllocateMemoryOfType( - VkDeviceSize size, - VkDeviceSize alignment, - bool dedicatedAllocation, - VkBuffer dedicatedBuffer, - VkImage dedicatedImage, - const VmaAllocationCreateInfo& createInfo, - uint32_t memTypeIndex, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations); - - // Helper function only to be used inside AllocateDedicatedMemory. - VkResult AllocateDedicatedMemoryPage( - VkDeviceSize size, - VmaSuballocationType suballocType, - uint32_t memTypeIndex, - const VkMemoryAllocateInfo& allocInfo, - bool map, - bool isUserDataString, - void* pUserData, - VmaAllocation* pAllocation); - - // Allocates and registers new VkDeviceMemory specifically for dedicated allocations. - VkResult AllocateDedicatedMemory( - VkDeviceSize size, - VmaSuballocationType suballocType, - uint32_t memTypeIndex, - bool withinBudget, - bool map, - bool isUserDataString, - void* pUserData, - VkBuffer dedicatedBuffer, - VkImage dedicatedImage, - size_t allocationCount, - VmaAllocation* pAllocations); - - void FreeDedicatedMemory(const VmaAllocation allocation); - - /* - Calculates and returns bit mask of memory types that can support defragmentation - on GPU as they support creation of required buffer for copy operations. - */ - uint32_t CalculateGpuDefragmentationMemoryTypeBits() const; - -#if VMA_MEMORY_BUDGET - void UpdateVulkanBudget(); -#endif // #if VMA_MEMORY_BUDGET + VmaVector< PairType, VmaStlAllocator<PairType>> m_Vector; }; -//////////////////////////////////////////////////////////////////////////////// -// Memory allocation #2 after VmaAllocator_T definition - -static void* VmaMalloc(VmaAllocator hAllocator, size_t size, size_t alignment) -{ - return VmaMalloc(&hAllocator->m_AllocationCallbacks, size, alignment); -} - -static void VmaFree(VmaAllocator hAllocator, void* ptr) -{ - VmaFree(&hAllocator->m_AllocationCallbacks, ptr); -} - -template<typename T> -static T* VmaAllocate(VmaAllocator hAllocator) -{ - return (T*)VmaMalloc(hAllocator, sizeof(T), VMA_ALIGN_OF(T)); -} - -template<typename T> -static T* VmaAllocateArray(VmaAllocator hAllocator, size_t count) +#ifndef _VMA_MAP_FUNCTIONS +template<typename KeyT, typename ValueT> +void VmaMap<KeyT, ValueT>::insert(const PairType& pair) { - return (T*)VmaMalloc(hAllocator, sizeof(T) * count, VMA_ALIGN_OF(T)); + const size_t indexToInsert = VmaBinaryFindFirstNotLess( + m_Vector.data(), + m_Vector.data() + m_Vector.size(), + pair, + VmaPairFirstLess<KeyT, ValueT>()) - m_Vector.data(); + VmaVectorInsert(m_Vector, indexToInsert, pair); } -template<typename T> -static void vma_delete(VmaAllocator hAllocator, T* ptr) +template<typename KeyT, typename ValueT> +VmaPair<KeyT, ValueT>* VmaMap<KeyT, ValueT>::find(const KeyT& key) { - if(ptr != VMA_NULL) + PairType* it = VmaBinaryFindFirstNotLess( + m_Vector.data(), + m_Vector.data() + m_Vector.size(), + key, + VmaPairFirstLess<KeyT, ValueT>()); + if ((it != m_Vector.end()) && (it->first == key)) { - ptr->~T(); - VmaFree(hAllocator, ptr); + return it; } -} - -template<typename T> -static void vma_delete_array(VmaAllocator hAllocator, T* ptr, size_t count) -{ - if(ptr != VMA_NULL) + else { - for(size_t i = count; i--; ) - ptr[i].~T(); - VmaFree(hAllocator, ptr); + return m_Vector.end(); } } -//////////////////////////////////////////////////////////////////////////////// -// VmaStringBuilder +template<typename KeyT, typename ValueT> +void VmaMap<KeyT, ValueT>::erase(iterator it) +{ + VmaVectorRemove(m_Vector, it - m_Vector.begin()); +} +#endif // _VMA_MAP_FUNCTIONS +#endif // _VMA_MAP -#if VMA_STATS_STRING_ENABLED +#endif // #if 0 +#if !defined(_VMA_STRING_BUILDER) && VMA_STATS_STRING_ENABLED class VmaStringBuilder { public: - VmaStringBuilder(VmaAllocator alloc) : m_Data(VmaStlAllocator<char>(alloc->GetAllocationCallbacks())) { } + VmaStringBuilder(const VkAllocationCallbacks* allocationCallbacks) : m_Data(VmaStlAllocator<char>(allocationCallbacks)) {} + ~VmaStringBuilder() = default; + size_t GetLength() const { return m_Data.size(); } const char* GetData() const { return m_Data.data(); } - + void AddNewLine() { Add('\n'); } void Add(char ch) { m_Data.push_back(ch); } + void Add(const char* pStr); - void AddNewLine() { Add('\n'); } void AddNumber(uint32_t num); void AddNumber(uint64_t num); void AddPointer(const void* ptr); private: - VmaVector< char, VmaStlAllocator<char> > m_Data; + VmaVector<char, VmaStlAllocator<char>> m_Data; }; +#ifndef _VMA_STRING_BUILDER_FUNCTIONS void VmaStringBuilder::Add(const char* pStr) { const size_t strLen = strlen(pStr); - if(strLen > 0) + if (strLen > 0) { const size_t oldCount = m_Data.size(); m_Data.resize(oldCount + strLen); @@ -7424,13 +5390,12 @@ void VmaStringBuilder::AddNumber(uint32_t num) { char buf[11]; buf[10] = '\0'; - char *p = &buf[10]; + char* p = &buf[10]; do { *--p = '0' + (num % 10); num /= 10; - } - while(num); + } while (num); Add(p); } @@ -7438,13 +5403,12 @@ void VmaStringBuilder::AddNumber(uint64_t num) { char buf[21]; buf[20] = '\0'; - char *p = &buf[20]; + char* p = &buf[20]; do { *--p = '0' + (num % 10); num /= 10; - } - while(num); + } while (num); Add(p); } @@ -7454,43 +5418,67 @@ void VmaStringBuilder::AddPointer(const void* ptr) VmaPtrToStr(buf, sizeof(buf), ptr); Add(buf); } +#endif //_VMA_STRING_BUILDER_FUNCTIONS +#endif // _VMA_STRING_BUILDER -#endif // #if VMA_STATS_STRING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// -// VmaJsonWriter - -#if VMA_STATS_STRING_ENABLED - +#if !defined(_VMA_JSON_WRITER) && VMA_STATS_STRING_ENABLED +/* +Allows to conveniently build a correct JSON document to be written to the +VmaStringBuilder passed to the constructor. +*/ class VmaJsonWriter { VMA_CLASS_NO_COPY(VmaJsonWriter) public: + // sb - string builder to write the document to. Must remain alive for the whole lifetime of this object. VmaJsonWriter(const VkAllocationCallbacks* pAllocationCallbacks, VmaStringBuilder& sb); ~VmaJsonWriter(); + // Begins object by writing "{". + // Inside an object, you must call pairs of WriteString and a value, e.g.: + // j.BeginObject(true); j.WriteString("A"); j.WriteNumber(1); j.WriteString("B"); j.WriteNumber(2); j.EndObject(); + // Will write: { "A": 1, "B": 2 } void BeginObject(bool singleLine = false); + // Ends object by writing "}". void EndObject(); - + + // Begins array by writing "[". + // Inside an array, you can write a sequence of any values. void BeginArray(bool singleLine = false); + // Ends array by writing "[". void EndArray(); - + + // Writes a string value inside "". + // pStr can contain any ANSI characters, including '"', new line etc. - they will be properly escaped. void WriteString(const char* pStr); + + // Begins writing a string value. + // Call BeginString, ContinueString, ContinueString, ..., EndString instead of + // WriteString to conveniently build the string content incrementally, made of + // parts including numbers. void BeginString(const char* pStr = VMA_NULL); + // Posts next part of an open string. void ContinueString(const char* pStr); + // Posts next part of an open string. The number is converted to decimal characters. void ContinueString(uint32_t n); void ContinueString(uint64_t n); + void ContinueString_Size(size_t n); + // Posts next part of an open string. Pointer value is converted to characters + // using "%p" formatting - shown as hexadecimal number, e.g.: 000000081276Ad00 void ContinueString_Pointer(const void* ptr); + // Ends writing a string value by writing '"'. void EndString(const char* pStr = VMA_NULL); - + + // Writes a number value. void WriteNumber(uint32_t n); void WriteNumber(uint64_t n); + void WriteSize(size_t n); + // Writes a boolean value - false or true. void WriteBool(bool b); + // Writes a null value. void WriteNull(); private: - static const char* const INDENT; - enum COLLECTION_TYPE { COLLECTION_TYPE_OBJECT, @@ -7503,22 +5491,27 @@ private: bool singleLineMode; }; + static const char* const INDENT; + VmaStringBuilder& m_SB; VmaVector< StackItem, VmaStlAllocator<StackItem> > m_Stack; bool m_InsideString; + // Write size_t for less than 64bits + void WriteSize(size_t n, std::integral_constant<bool, false>) { m_SB.AddNumber(static_cast<uint32_t>(n)); } + // Write size_t for 64bits + void WriteSize(size_t n, std::integral_constant<bool, true>) { m_SB.AddNumber(static_cast<uint64_t>(n)); } + void BeginValue(bool isString); void WriteIndent(bool oneLess = false); }; - const char* const VmaJsonWriter::INDENT = " "; -VmaJsonWriter::VmaJsonWriter(const VkAllocationCallbacks* pAllocationCallbacks, VmaStringBuilder& sb) : - m_SB(sb), +#ifndef _VMA_JSON_WRITER_FUNCTIONS +VmaJsonWriter::VmaJsonWriter(const VkAllocationCallbacks* pAllocationCallbacks, VmaStringBuilder& sb) + : m_SB(sb), m_Stack(VmaStlAllocator<StackItem>(pAllocationCallbacks)), - m_InsideString(false) -{ -} + m_InsideString(false) {} VmaJsonWriter::~VmaJsonWriter() { @@ -7589,7 +5582,7 @@ void VmaJsonWriter::BeginString(const char* pStr) BeginValue(true); m_SB.Add('"'); m_InsideString = true; - if(pStr != VMA_NULL && pStr[0] != '\0') + if (pStr != VMA_NULL && pStr[0] != '\0') { ContinueString(pStr); } @@ -7600,22 +5593,22 @@ void VmaJsonWriter::ContinueString(const char* pStr) VMA_ASSERT(m_InsideString); const size_t strLen = strlen(pStr); - for(size_t i = 0; i < strLen; ++i) + for (size_t i = 0; i < strLen; ++i) { char ch = pStr[i]; - if(ch == '\\') + if (ch == '\\') { m_SB.Add("\\\\"); } - else if(ch == '"') + else if (ch == '"') { m_SB.Add("\\\""); } - else if(ch >= 32) + else if (ch >= 32) { m_SB.Add(ch); } - else switch(ch) + else switch (ch) { case '\b': m_SB.Add("\\b"); @@ -7651,6 +5644,14 @@ void VmaJsonWriter::ContinueString(uint64_t n) m_SB.AddNumber(n); } +void VmaJsonWriter::ContinueString_Size(size_t n) +{ + VMA_ASSERT(m_InsideString); + // Fix for AppleClang incorrect type casting + // TODO: Change to if constexpr when C++17 used as minimal standard + WriteSize(n, std::is_same<size_t, uint64_t>{}); +} + void VmaJsonWriter::ContinueString_Pointer(const void* ptr) { VMA_ASSERT(m_InsideString); @@ -7660,7 +5661,7 @@ void VmaJsonWriter::ContinueString_Pointer(const void* ptr) void VmaJsonWriter::EndString(const char* pStr) { VMA_ASSERT(m_InsideString); - if(pStr != VMA_NULL && pStr[0] != '\0') + if (pStr != VMA_NULL && pStr[0] != '\0') { ContinueString(pStr); } @@ -7682,6 +5683,15 @@ void VmaJsonWriter::WriteNumber(uint64_t n) m_SB.AddNumber(n); } +void VmaJsonWriter::WriteSize(size_t n) +{ + VMA_ASSERT(!m_InsideString); + BeginValue(false); + // Fix for AppleClang incorrect type casting + // TODO: Change to if constexpr when C++17 used as minimal standard + WriteSize(n, std::is_same<size_t, uint64_t>{}); +} + void VmaJsonWriter::WriteBool(bool b) { VMA_ASSERT(!m_InsideString); @@ -7698,22 +5708,21 @@ void VmaJsonWriter::WriteNull() void VmaJsonWriter::BeginValue(bool isString) { - if(!m_Stack.empty()) + if (!m_Stack.empty()) { StackItem& currItem = m_Stack.back(); - if(currItem.type == COLLECTION_TYPE_OBJECT && + if (currItem.type == COLLECTION_TYPE_OBJECT && currItem.valueCount % 2 == 0) { - (void) isString; VMA_ASSERT(isString); } - if(currItem.type == COLLECTION_TYPE_OBJECT && + if (currItem.type == COLLECTION_TYPE_OBJECT && currItem.valueCount % 2 != 0) { m_SB.Add(": "); } - else if(currItem.valueCount > 0) + else if (currItem.valueCount > 0) { m_SB.Add(", "); WriteIndent(); @@ -7728,438 +5737,754 @@ void VmaJsonWriter::BeginValue(bool isString) void VmaJsonWriter::WriteIndent(bool oneLess) { - if(!m_Stack.empty() && !m_Stack.back().singleLineMode) + if (!m_Stack.empty() && !m_Stack.back().singleLineMode) { m_SB.AddNewLine(); - + size_t count = m_Stack.size(); - if(count > 0 && oneLess) + if (count > 0 && oneLess) { --count; } - for(size_t i = 0; i < count; ++i) + for (size_t i = 0; i < count; ++i) { m_SB.Add(INDENT); } } } +#endif // _VMA_JSON_WRITER_FUNCTIONS -#endif // #if VMA_STATS_STRING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// - -void VmaAllocation_T::SetUserData(VmaAllocator hAllocator, void* pUserData) +static void VmaPrintDetailedStatistics(VmaJsonWriter& json, const VmaDetailedStatistics& stat) { - if(IsUserDataString()) - { - VMA_ASSERT(pUserData == VMA_NULL || pUserData != m_pUserData); + json.BeginObject(); - FreeUserDataString(hAllocator); + json.WriteString("BlockCount"); + json.WriteNumber(stat.statistics.blockCount); + json.WriteString("BlockBytes"); + json.WriteNumber(stat.statistics.blockBytes); + json.WriteString("AllocationCount"); + json.WriteNumber(stat.statistics.allocationCount); + json.WriteString("AllocationBytes"); + json.WriteNumber(stat.statistics.allocationBytes); + json.WriteString("UnusedRangeCount"); + json.WriteNumber(stat.unusedRangeCount); - if(pUserData != VMA_NULL) - { - m_pUserData = VmaCreateStringCopy(hAllocator->GetAllocationCallbacks(), (const char*)pUserData); - } + if (stat.statistics.allocationCount > 1) + { + json.WriteString("AllocationSizeMin"); + json.WriteNumber(stat.allocationSizeMin); + json.WriteString("AllocationSizeMax"); + json.WriteNumber(stat.allocationSizeMax); } - else + if (stat.unusedRangeCount > 1) { - m_pUserData = pUserData; + json.WriteString("UnusedRangeSizeMin"); + json.WriteNumber(stat.unusedRangeSizeMin); + json.WriteString("UnusedRangeSizeMax"); + json.WriteNumber(stat.unusedRangeSizeMax); } + json.EndObject(); } +#endif // _VMA_JSON_WRITER -void VmaAllocation_T::ChangeBlockAllocation( - VmaAllocator hAllocator, - VmaDeviceMemoryBlock* block, - VkDeviceSize offset) +#ifndef _VMA_MAPPING_HYSTERESIS + +class VmaMappingHysteresis { - VMA_ASSERT(block != VMA_NULL); - VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); + VMA_CLASS_NO_COPY(VmaMappingHysteresis) +public: + VmaMappingHysteresis() = default; + + uint32_t GetExtraMapping() const { return m_ExtraMapping; } - // Move mapping reference counter from old block to new block. - if(block != m_BlockAllocation.m_Block) + // Call when Map was called. + // Returns true if switched to extra +1 mapping reference count. + bool PostMap() { - uint32_t mapRefCount = m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP; - if(IsPersistentMap()) - ++mapRefCount; - m_BlockAllocation.m_Block->Unmap(hAllocator, mapRefCount); - block->Map(hAllocator, mapRefCount, VMA_NULL); +#if VMA_MAPPING_HYSTERESIS_ENABLED + if(m_ExtraMapping == 0) + { + ++m_MajorCounter; + if(m_MajorCounter >= COUNTER_MIN_EXTRA_MAPPING) + { + m_ExtraMapping = 1; + m_MajorCounter = 0; + m_MinorCounter = 0; + return true; + } + } + else // m_ExtraMapping == 1 + PostMinorCounter(); +#endif // #if VMA_MAPPING_HYSTERESIS_ENABLED + return false; } - m_BlockAllocation.m_Block = block; - m_BlockAllocation.m_Offset = offset; -} - -void VmaAllocation_T::ChangeOffset(VkDeviceSize newOffset) -{ - VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); - m_BlockAllocation.m_Offset = newOffset; -} - -VkDeviceSize VmaAllocation_T::GetOffset() const -{ - switch(m_Type) + // Call when Unmap was called. + void PostUnmap() { - case ALLOCATION_TYPE_BLOCK: - return m_BlockAllocation.m_Offset; - case ALLOCATION_TYPE_DEDICATED: - return 0; - default: - VMA_ASSERT(0); - return 0; +#if VMA_MAPPING_HYSTERESIS_ENABLED + if(m_ExtraMapping == 0) + ++m_MajorCounter; + else // m_ExtraMapping == 1 + PostMinorCounter(); +#endif // #if VMA_MAPPING_HYSTERESIS_ENABLED } -} -VkDeviceMemory VmaAllocation_T::GetMemory() const -{ - switch(m_Type) + // Call when allocation was made from the memory block. + void PostAlloc() { - case ALLOCATION_TYPE_BLOCK: - return m_BlockAllocation.m_Block->GetDeviceMemory(); - case ALLOCATION_TYPE_DEDICATED: - return m_DedicatedAllocation.m_hMemory; - default: - VMA_ASSERT(0); - return VK_NULL_HANDLE; +#if VMA_MAPPING_HYSTERESIS_ENABLED + if(m_ExtraMapping == 1) + ++m_MajorCounter; + else // m_ExtraMapping == 0 + PostMinorCounter(); +#endif // #if VMA_MAPPING_HYSTERESIS_ENABLED } -} -void* VmaAllocation_T::GetMappedData() const -{ - switch(m_Type) + // Call when allocation was freed from the memory block. + // Returns true if switched to extra -1 mapping reference count. + bool PostFree() { - case ALLOCATION_TYPE_BLOCK: - if(m_MapCount != 0) - { - void* pBlockData = m_BlockAllocation.m_Block->GetMappedData(); - VMA_ASSERT(pBlockData != VMA_NULL); - return (char*)pBlockData + m_BlockAllocation.m_Offset; - } - else +#if VMA_MAPPING_HYSTERESIS_ENABLED + if(m_ExtraMapping == 1) { - return VMA_NULL; + ++m_MajorCounter; + if(m_MajorCounter >= COUNTER_MIN_EXTRA_MAPPING && + m_MajorCounter > m_MinorCounter + 1) + { + m_ExtraMapping = 0; + m_MajorCounter = 0; + m_MinorCounter = 0; + return true; + } } - break; - case ALLOCATION_TYPE_DEDICATED: - VMA_ASSERT((m_DedicatedAllocation.m_pMappedData != VMA_NULL) == (m_MapCount != 0)); - return m_DedicatedAllocation.m_pMappedData; - default: - VMA_ASSERT(0); - return VMA_NULL; - } -} - -bool VmaAllocation_T::CanBecomeLost() const -{ - switch(m_Type) - { - case ALLOCATION_TYPE_BLOCK: - return m_BlockAllocation.m_CanBecomeLost; - case ALLOCATION_TYPE_DEDICATED: - return false; - default: - VMA_ASSERT(0); + else // m_ExtraMapping == 0 + PostMinorCounter(); +#endif // #if VMA_MAPPING_HYSTERESIS_ENABLED return false; } -} -bool VmaAllocation_T::MakeLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) -{ - VMA_ASSERT(CanBecomeLost()); +private: + static const int32_t COUNTER_MIN_EXTRA_MAPPING = 7; - /* - Warning: This is a carefully designed algorithm. - Do not modify unless you really know what you're doing :) - */ - uint32_t localLastUseFrameIndex = GetLastUseFrameIndex(); - for(;;) + uint32_t m_MinorCounter = 0; + uint32_t m_MajorCounter = 0; + uint32_t m_ExtraMapping = 0; // 0 or 1. + + void PostMinorCounter() { - if(localLastUseFrameIndex == VMA_FRAME_INDEX_LOST) + if(m_MinorCounter < m_MajorCounter) { - VMA_ASSERT(0); - return false; + ++m_MinorCounter; } - else if(localLastUseFrameIndex + frameInUseCount >= currentFrameIndex) + else if(m_MajorCounter > 0) { - return false; - } - else // Last use time earlier than current time. - { - if(CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, VMA_FRAME_INDEX_LOST)) - { - // Setting hAllocation.LastUseFrameIndex atomic to VMA_FRAME_INDEX_LOST is enough to mark it as LOST. - // Calling code just needs to unregister this allocation in owning VmaDeviceMemoryBlock. - return true; - } + --m_MajorCounter; + --m_MinorCounter; } } -} +}; -#if VMA_STATS_STRING_ENABLED +#endif // _VMA_MAPPING_HYSTERESIS -// Correspond to values of enum VmaSuballocationType. -static const char* VMA_SUBALLOCATION_TYPE_NAMES[] = { - "FREE", - "UNKNOWN", - "BUFFER", - "IMAGE_UNKNOWN", - "IMAGE_LINEAR", - "IMAGE_OPTIMAL", +#ifndef _VMA_DEVICE_MEMORY_BLOCK +/* +Represents a single block of device memory (`VkDeviceMemory`) with all the +data about its regions (aka suballocations, #VmaAllocation), assigned and free. + +Thread-safety: +- Access to m_pMetadata must be externally synchronized. +- Map, Unmap, Bind* are synchronized internally. +*/ +class VmaDeviceMemoryBlock +{ + VMA_CLASS_NO_COPY(VmaDeviceMemoryBlock) +public: + VmaBlockMetadata* m_pMetadata; + + VmaDeviceMemoryBlock(VmaAllocator hAllocator); + ~VmaDeviceMemoryBlock(); + + // Always call after construction. + void Init( + VmaAllocator hAllocator, + VmaPool hParentPool, + uint32_t newMemoryTypeIndex, + VkDeviceMemory newMemory, + VkDeviceSize newSize, + uint32_t id, + uint32_t algorithm, + VkDeviceSize bufferImageGranularity); + // Always call before destruction. + void Destroy(VmaAllocator allocator); + + VmaPool GetParentPool() const { return m_hParentPool; } + VkDeviceMemory GetDeviceMemory() const { return m_hMemory; } + uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } + uint32_t GetId() const { return m_Id; } + void* GetMappedData() const { return m_pMappedData; } + uint32_t GetMapRefCount() const { return m_MapCount; } + + // Call when allocation/free was made from m_pMetadata. + // Used for m_MappingHysteresis. + void PostAlloc() { m_MappingHysteresis.PostAlloc(); } + void PostFree(VmaAllocator hAllocator); + + // Validates all data structures inside this object. If not valid, returns false. + bool Validate() const; + VkResult CheckCorruption(VmaAllocator hAllocator); + + // ppData can be null. + VkResult Map(VmaAllocator hAllocator, uint32_t count, void** ppData); + void Unmap(VmaAllocator hAllocator, uint32_t count); + + VkResult WriteMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); + VkResult ValidateMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize); + + VkResult BindBufferMemory( + const VmaAllocator hAllocator, + const VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkBuffer hBuffer, + const void* pNext); + VkResult BindImageMemory( + const VmaAllocator hAllocator, + const VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkImage hImage, + const void* pNext); + +private: + VmaPool m_hParentPool; // VK_NULL_HANDLE if not belongs to custom pool. + uint32_t m_MemoryTypeIndex; + uint32_t m_Id; + VkDeviceMemory m_hMemory; + + /* + Protects access to m_hMemory so it is not used by multiple threads simultaneously, e.g. vkMapMemory, vkBindBufferMemory. + Also protects m_MapCount, m_pMappedData. + Allocations, deallocations, any change in m_pMetadata is protected by parent's VmaBlockVector::m_Mutex. + */ + VMA_MUTEX m_MapAndBindMutex; + VmaMappingHysteresis m_MappingHysteresis; + uint32_t m_MapCount; + void* m_pMappedData; }; +#endif // _VMA_DEVICE_MEMORY_BLOCK -void VmaAllocation_T::PrintParameters(class VmaJsonWriter& json) const +#ifndef _VMA_ALLOCATION_T +struct VmaAllocation_T { - json.WriteString("Type"); - json.WriteString(VMA_SUBALLOCATION_TYPE_NAMES[m_SuballocationType]); + friend struct VmaDedicatedAllocationListItemTraits; - json.WriteString("Size"); - json.WriteNumber(m_Size); + enum FLAGS + { + FLAG_PERSISTENT_MAP = 0x01, + FLAG_MAPPING_ALLOWED = 0x02, + }; - if(m_pUserData != VMA_NULL) +public: + enum ALLOCATION_TYPE { - json.WriteString("UserData"); - if(IsUserDataString()) - { - json.WriteString((const char*)m_pUserData); - } - else - { - json.BeginString(); - json.ContinueString_Pointer(m_pUserData); - json.EndString(); - } - } + ALLOCATION_TYPE_NONE, + ALLOCATION_TYPE_BLOCK, + ALLOCATION_TYPE_DEDICATED, + }; + + // This struct is allocated using VmaPoolAllocator. + VmaAllocation_T(bool mappingAllowed); + ~VmaAllocation_T(); + + void InitBlockAllocation( + VmaDeviceMemoryBlock* block, + VmaAllocHandle allocHandle, + VkDeviceSize alignment, + VkDeviceSize size, + uint32_t memoryTypeIndex, + VmaSuballocationType suballocationType, + bool mapped); + // pMappedData not null means allocation is created with MAPPED flag. + void InitDedicatedAllocation( + VmaPool hParentPool, + uint32_t memoryTypeIndex, + VkDeviceMemory hMemory, + VmaSuballocationType suballocationType, + void* pMappedData, + VkDeviceSize size); - json.WriteString("CreationFrameIndex"); - json.WriteNumber(m_CreationFrameIndex); + ALLOCATION_TYPE GetType() const { return (ALLOCATION_TYPE)m_Type; } + VkDeviceSize GetAlignment() const { return m_Alignment; } + VkDeviceSize GetSize() const { return m_Size; } + void* GetUserData() const { return m_pUserData; } + const char* GetName() const { return m_pName; } + VmaSuballocationType GetSuballocationType() const { return (VmaSuballocationType)m_SuballocationType; } - json.WriteString("LastUseFrameIndex"); - json.WriteNumber(GetLastUseFrameIndex()); + VmaDeviceMemoryBlock* GetBlock() const { VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); return m_BlockAllocation.m_Block; } + uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } + bool IsPersistentMap() const { return (m_Flags & FLAG_PERSISTENT_MAP) != 0; } + bool IsMappingAllowed() const { return (m_Flags & FLAG_MAPPING_ALLOWED) != 0; } + + void SetUserData(VmaAllocator hAllocator, void* pUserData) { m_pUserData = pUserData; } + void SetName(VmaAllocator hAllocator, const char* pName); + void FreeName(VmaAllocator hAllocator); + uint8_t SwapBlockAllocation(VmaAllocator hAllocator, VmaAllocation allocation); + VmaAllocHandle GetAllocHandle() const; + VkDeviceSize GetOffset() const; + VmaPool GetParentPool() const; + VkDeviceMemory GetMemory() const; + void* GetMappedData() const; - if(m_BufferImageUsage != 0) - { - json.WriteString("Usage"); - json.WriteNumber(m_BufferImageUsage); - } -} + void BlockAllocMap(); + void BlockAllocUnmap(); + VkResult DedicatedAllocMap(VmaAllocator hAllocator, void** ppData); + void DedicatedAllocUnmap(VmaAllocator hAllocator); +#if VMA_STATS_STRING_ENABLED + uint32_t GetBufferImageUsage() const { return m_BufferImageUsage; } + + void InitBufferImageUsage(uint32_t bufferImageUsage); + void PrintParameters(class VmaJsonWriter& json) const; #endif -void VmaAllocation_T::FreeUserDataString(VmaAllocator hAllocator) -{ - VMA_ASSERT(IsUserDataString()); - VmaFreeString(hAllocator->GetAllocationCallbacks(), (char*)m_pUserData); - m_pUserData = VMA_NULL; -} +private: + // Allocation out of VmaDeviceMemoryBlock. + struct BlockAllocation + { + VmaDeviceMemoryBlock* m_Block; + VmaAllocHandle m_AllocHandle; + }; + // Allocation for an object that has its own private VkDeviceMemory. + struct DedicatedAllocation + { + VmaPool m_hParentPool; // VK_NULL_HANDLE if not belongs to custom pool. + VkDeviceMemory m_hMemory; + void* m_pMappedData; // Not null means memory is mapped. + VmaAllocation_T* m_Prev; + VmaAllocation_T* m_Next; + }; + union + { + // Allocation out of VmaDeviceMemoryBlock. + BlockAllocation m_BlockAllocation; + // Allocation for an object that has its own private VkDeviceMemory. + DedicatedAllocation m_DedicatedAllocation; + }; -void VmaAllocation_T::BlockAllocMap() + VkDeviceSize m_Alignment; + VkDeviceSize m_Size; + void* m_pUserData; + char* m_pName; + uint32_t m_MemoryTypeIndex; + uint8_t m_Type; // ALLOCATION_TYPE + uint8_t m_SuballocationType; // VmaSuballocationType + // Reference counter for vmaMapMemory()/vmaUnmapMemory(). + uint8_t m_MapCount; + uint8_t m_Flags; // enum FLAGS +#if VMA_STATS_STRING_ENABLED + uint32_t m_BufferImageUsage; // 0 if unknown. +#endif +}; +#endif // _VMA_ALLOCATION_T + +#ifndef _VMA_DEDICATED_ALLOCATION_LIST_ITEM_TRAITS +struct VmaDedicatedAllocationListItemTraits { - VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); + typedef VmaAllocation_T ItemType; - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) < 0x7F) + static ItemType* GetPrev(const ItemType* item) { - ++m_MapCount; + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Prev; } - else + static ItemType* GetNext(const ItemType* item) { - VMA_ASSERT(0 && "Allocation mapped too many times simultaneously."); + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Next; } -} - -void VmaAllocation_T::BlockAllocUnmap() -{ - VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); - - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) != 0) + static ItemType*& AccessPrev(ItemType* item) { - --m_MapCount; + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Prev; } - else + static ItemType*& AccessNext(ItemType* item) { - VMA_ASSERT(0 && "Unmapping allocation not previously mapped."); + VMA_HEAVY_ASSERT(item->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); + return item->m_DedicatedAllocation.m_Next; } -} +}; +#endif // _VMA_DEDICATED_ALLOCATION_LIST_ITEM_TRAITS -VkResult VmaAllocation_T::DedicatedAllocMap(VmaAllocator hAllocator, void** ppData) +#ifndef _VMA_DEDICATED_ALLOCATION_LIST +/* +Stores linked list of VmaAllocation_T objects. +Thread-safe, synchronized internally. +*/ +class VmaDedicatedAllocationList { - VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); +public: + VmaDedicatedAllocationList() {} + ~VmaDedicatedAllocationList(); + + void Init(bool useMutex) { m_UseMutex = useMutex; } + bool Validate(); + + void AddDetailedStatistics(VmaDetailedStatistics& inoutStats); + void AddStatistics(VmaStatistics& inoutStats); +#if VMA_STATS_STRING_ENABLED + // Writes JSON array with the list of allocations. + void BuildStatsString(VmaJsonWriter& json); +#endif + + bool IsEmpty(); + void Register(VmaAllocation alloc); + void Unregister(VmaAllocation alloc); + +private: + typedef VmaIntrusiveLinkedList<VmaDedicatedAllocationListItemTraits> DedicatedAllocationLinkedList; + + bool m_UseMutex = true; + VMA_RW_MUTEX m_Mutex; + DedicatedAllocationLinkedList m_AllocationList; +}; + +#ifndef _VMA_DEDICATED_ALLOCATION_LIST_FUNCTIONS - if(m_MapCount != 0) +VmaDedicatedAllocationList::~VmaDedicatedAllocationList() +{ + VMA_HEAVY_ASSERT(Validate()); + + if (!m_AllocationList.IsEmpty()) { - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) < 0x7F) - { - VMA_ASSERT(m_DedicatedAllocation.m_pMappedData != VMA_NULL); - *ppData = m_DedicatedAllocation.m_pMappedData; - ++m_MapCount; - return VK_SUCCESS; - } - else - { - VMA_ASSERT(0 && "Dedicated allocation mapped too many times simultaneously."); - return VK_ERROR_MEMORY_MAP_FAILED; - } + VMA_ASSERT(false && "Unfreed dedicated allocations found!"); } - else +} + +bool VmaDedicatedAllocationList::Validate() +{ + const size_t declaredCount = m_AllocationList.GetCount(); + size_t actualCount = 0; + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + for (VmaAllocation alloc = m_AllocationList.Front(); + alloc != VMA_NULL; alloc = m_AllocationList.GetNext(alloc)) { - VkResult result = (*hAllocator->GetVulkanFunctions().vkMapMemory)( - hAllocator->m_hDevice, - m_DedicatedAllocation.m_hMemory, - 0, // offset - VK_WHOLE_SIZE, - 0, // flags - ppData); - if(result == VK_SUCCESS) - { - m_DedicatedAllocation.m_pMappedData = *ppData; - m_MapCount = 1; - } - return result; + ++actualCount; } + VMA_VALIDATE(actualCount == declaredCount); + + return true; } -void VmaAllocation_T::DedicatedAllocUnmap(VmaAllocator hAllocator) +void VmaDedicatedAllocationList::AddDetailedStatistics(VmaDetailedStatistics& inoutStats) { - VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); - - if((m_MapCount & ~MAP_COUNT_FLAG_PERSISTENT_MAP) != 0) + for(auto* item = m_AllocationList.Front(); item != nullptr; item = DedicatedAllocationLinkedList::GetNext(item)) { - --m_MapCount; - if(m_MapCount == 0) - { - m_DedicatedAllocation.m_pMappedData = VMA_NULL; - (*hAllocator->GetVulkanFunctions().vkUnmapMemory)( - hAllocator->m_hDevice, - m_DedicatedAllocation.m_hMemory); - } + const VkDeviceSize size = item->GetSize(); + inoutStats.statistics.blockCount++; + inoutStats.statistics.blockBytes += size; + VmaAddDetailedStatisticsAllocation(inoutStats, item->GetSize()); } - else +} + +void VmaDedicatedAllocationList::AddStatistics(VmaStatistics& inoutStats) +{ + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + + const uint32_t allocCount = (uint32_t)m_AllocationList.GetCount(); + inoutStats.blockCount += allocCount; + inoutStats.allocationCount += allocCount; + + for(auto* item = m_AllocationList.Front(); item != nullptr; item = DedicatedAllocationLinkedList::GetNext(item)) { - VMA_ASSERT(0 && "Unmapping dedicated allocation not previously mapped."); + const VkDeviceSize size = item->GetSize(); + inoutStats.blockBytes += size; + inoutStats.allocationBytes += size; } } #if VMA_STATS_STRING_ENABLED - -static void VmaPrintStatInfo(VmaJsonWriter& json, const VmaStatInfo& stat) +void VmaDedicatedAllocationList::BuildStatsString(VmaJsonWriter& json) { - json.BeginObject(); - - json.WriteString("Blocks"); - json.WriteNumber(stat.blockCount); + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + json.BeginArray(); + for (VmaAllocation alloc = m_AllocationList.Front(); + alloc != VMA_NULL; alloc = m_AllocationList.GetNext(alloc)) + { + json.BeginObject(true); + alloc->PrintParameters(json); + json.EndObject(); + } + json.EndArray(); +} +#endif // VMA_STATS_STRING_ENABLED - json.WriteString("Allocations"); - json.WriteNumber(stat.allocationCount); +bool VmaDedicatedAllocationList::IsEmpty() +{ + VmaMutexLockRead lock(m_Mutex, m_UseMutex); + return m_AllocationList.IsEmpty(); +} - json.WriteString("UnusedRanges"); - json.WriteNumber(stat.unusedRangeCount); +void VmaDedicatedAllocationList::Register(VmaAllocation alloc) +{ + VmaMutexLockWrite lock(m_Mutex, m_UseMutex); + m_AllocationList.PushBack(alloc); +} - json.WriteString("UsedBytes"); - json.WriteNumber(stat.usedBytes); +void VmaDedicatedAllocationList::Unregister(VmaAllocation alloc) +{ + VmaMutexLockWrite lock(m_Mutex, m_UseMutex); + m_AllocationList.Remove(alloc); +} +#endif // _VMA_DEDICATED_ALLOCATION_LIST_FUNCTIONS +#endif // _VMA_DEDICATED_ALLOCATION_LIST - json.WriteString("UnusedBytes"); - json.WriteNumber(stat.unusedBytes); +#ifndef _VMA_SUBALLOCATION +/* +Represents a region of VmaDeviceMemoryBlock that is either assigned and returned as +allocated memory block or free. +*/ +struct VmaSuballocation +{ + VkDeviceSize offset; + VkDeviceSize size; + void* userData; + VmaSuballocationType type; +}; - if(stat.allocationCount > 1) +// Comparator for offsets. +struct VmaSuballocationOffsetLess +{ + bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const { - json.WriteString("AllocationSize"); - json.BeginObject(true); - json.WriteString("Min"); - json.WriteNumber(stat.allocationSizeMin); - json.WriteString("Avg"); - json.WriteNumber(stat.allocationSizeAvg); - json.WriteString("Max"); - json.WriteNumber(stat.allocationSizeMax); - json.EndObject(); + return lhs.offset < rhs.offset; } +}; - if(stat.unusedRangeCount > 1) +struct VmaSuballocationOffsetGreater +{ + bool operator()(const VmaSuballocation& lhs, const VmaSuballocation& rhs) const { - json.WriteString("UnusedRangeSize"); - json.BeginObject(true); - json.WriteString("Min"); - json.WriteNumber(stat.unusedRangeSizeMin); - json.WriteString("Avg"); - json.WriteNumber(stat.unusedRangeSizeAvg); - json.WriteString("Max"); - json.WriteNumber(stat.unusedRangeSizeMax); - json.EndObject(); + return lhs.offset > rhs.offset; } - - json.EndObject(); -} - -#endif // #if VMA_STATS_STRING_ENABLED +}; struct VmaSuballocationItemSizeLess { - bool operator()( - const VmaSuballocationList::iterator lhs, + bool operator()(const VmaSuballocationList::iterator lhs, const VmaSuballocationList::iterator rhs) const { return lhs->size < rhs->size; } - bool operator()( - const VmaSuballocationList::iterator lhs, + + bool operator()(const VmaSuballocationList::iterator lhs, VkDeviceSize rhsSize) const { return lhs->size < rhsSize; } }; +#endif // _VMA_SUBALLOCATION +#ifndef _VMA_ALLOCATION_REQUEST +/* +Parameters of planned allocation inside a VmaDeviceMemoryBlock. +item points to a FREE suballocation. +*/ +struct VmaAllocationRequest +{ + VmaAllocHandle allocHandle; + VkDeviceSize size; + VmaSuballocationList::iterator item; + void* customData; + uint64_t algorithmData; + VmaAllocationRequestType type; +}; +#endif // _VMA_ALLOCATION_REQUEST -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata +#ifndef _VMA_BLOCK_METADATA +/* +Data structure used for bookkeeping of allocations and unused ranges of memory +in a single VkDeviceMemory block. +*/ +class VmaBlockMetadata +{ +public: + // pAllocationCallbacks, if not null, must be owned externally - alive and unchanged for the whole lifetime of this object. + VmaBlockMetadata(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata() = default; + + virtual void Init(VkDeviceSize size) { m_Size = size; } + bool IsVirtual() const { return m_IsVirtual; } + VkDeviceSize GetSize() const { return m_Size; } + + // Validates all data structures inside this object. If not valid, returns false. + virtual bool Validate() const = 0; + virtual size_t GetAllocationCount() const = 0; + virtual size_t GetFreeRegionsCount() const = 0; + virtual VkDeviceSize GetSumFreeSize() const = 0; + // Returns true if this block is empty - contains only single free suballocation. + virtual bool IsEmpty() const = 0; + virtual void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) = 0; + virtual VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const = 0; + virtual void* GetAllocationUserData(VmaAllocHandle allocHandle) const = 0; + + virtual VmaAllocHandle GetAllocationListBegin() const = 0; + virtual VmaAllocHandle GetNextAllocation(VmaAllocHandle prevAlloc) const = 0; + virtual VkDeviceSize GetNextFreeRegionSize(VmaAllocHandle alloc) const = 0; + + // Shouldn't modify blockCount. + virtual void AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const = 0; + virtual void AddStatistics(VmaStatistics& inoutStats) const = 0; + +#if VMA_STATS_STRING_ENABLED + virtual void PrintDetailedMap(class VmaJsonWriter& json) const = 0; +#endif + + // Tries to find a place for suballocation with given parameters inside this block. + // If succeeded, fills pAllocationRequest and returns true. + // If failed, returns false. + virtual bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + // Always one of VMA_ALLOCATION_CREATE_STRATEGY_* or VMA_ALLOCATION_INTERNAL_STRATEGY_* flags. + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) = 0; -VmaBlockMetadata::VmaBlockMetadata(VmaAllocator hAllocator) : - m_Size(0), - m_pAllocationCallbacks(hAllocator->GetAllocationCallbacks()) + virtual VkResult CheckCorruption(const void* pBlockData) = 0; + + // Makes actual allocation based on request. Request must already be checked and valid. + virtual void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) = 0; + + // Frees suballocation assigned to given memory region. + virtual void Free(VmaAllocHandle allocHandle) = 0; + + // Frees all allocations. + // Careful! Don't call it if there are VmaAllocation objects owned by userData of cleared allocations! + virtual void Clear() = 0; + + virtual void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) = 0; + virtual void DebugLogAllAllocations() const = 0; + +protected: + const VkAllocationCallbacks* GetAllocationCallbacks() const { return m_pAllocationCallbacks; } + VkDeviceSize GetBufferImageGranularity() const { return m_BufferImageGranularity; } + VkDeviceSize GetDebugMargin() const { return IsVirtual() ? 0 : VMA_DEBUG_MARGIN; } + + void DebugLogAllocation(VkDeviceSize offset, VkDeviceSize size, void* userData) const; +#if VMA_STATS_STRING_ENABLED + // mapRefCount == UINT32_MAX means unspecified. + void PrintDetailedMap_Begin(class VmaJsonWriter& json, + VkDeviceSize unusedBytes, + size_t allocationCount, + size_t unusedRangeCount) const; + void PrintDetailedMap_Allocation(class VmaJsonWriter& json, + VkDeviceSize offset, VkDeviceSize size, void* userData) const; + void PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, + VkDeviceSize offset, + VkDeviceSize size) const; + void PrintDetailedMap_End(class VmaJsonWriter& json) const; +#endif + +private: + VkDeviceSize m_Size; + const VkAllocationCallbacks* m_pAllocationCallbacks; + const VkDeviceSize m_BufferImageGranularity; + const bool m_IsVirtual; +}; + +#ifndef _VMA_BLOCK_METADATA_FUNCTIONS +VmaBlockMetadata::VmaBlockMetadata(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : m_Size(0), + m_pAllocationCallbacks(pAllocationCallbacks), + m_BufferImageGranularity(bufferImageGranularity), + m_IsVirtual(isVirtual) {} + +void VmaBlockMetadata::DebugLogAllocation(VkDeviceSize offset, VkDeviceSize size, void* userData) const { -} + if (IsVirtual()) + { + VMA_DEBUG_LOG("UNFREED VIRTUAL ALLOCATION; Offset: %llu; Size: %llu; UserData: %p", offset, size, userData); + } + else + { + VMA_ASSERT(userData != VMA_NULL); + VmaAllocation allocation = reinterpret_cast<VmaAllocation>(userData); + + userData = allocation->GetUserData(); + const char* name = allocation->GetName(); #if VMA_STATS_STRING_ENABLED + VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Name: %s; Type: %s; Usage: %u", + offset, size, userData, name ? name : "vma_empty", + VMA_SUBALLOCATION_TYPE_NAMES[allocation->GetSuballocationType()], + allocation->GetBufferImageUsage()); +#else + VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Name: %s; Type: %u", + offset, size, userData, name ? name : "vma_empty", + (uint32_t)allocation->GetSuballocationType()); +#endif // VMA_STATS_STRING_ENABLED + } + +} +#if VMA_STATS_STRING_ENABLED void VmaBlockMetadata::PrintDetailedMap_Begin(class VmaJsonWriter& json, - VkDeviceSize unusedBytes, - size_t allocationCount, - size_t unusedRangeCount) const + VkDeviceSize unusedBytes, size_t allocationCount, size_t unusedRangeCount) const { - json.BeginObject(); - json.WriteString("TotalBytes"); json.WriteNumber(GetSize()); json.WriteString("UnusedBytes"); - json.WriteNumber(unusedBytes); + json.WriteSize(unusedBytes); json.WriteString("Allocations"); - json.WriteNumber((uint64_t)allocationCount); + json.WriteSize(allocationCount); json.WriteString("UnusedRanges"); - json.WriteNumber((uint64_t)unusedRangeCount); + json.WriteSize(unusedRangeCount); json.WriteString("Suballocations"); json.BeginArray(); } void VmaBlockMetadata::PrintDetailedMap_Allocation(class VmaJsonWriter& json, - VkDeviceSize offset, - VmaAllocation hAllocation) const + VkDeviceSize offset, VkDeviceSize size, void* userData) const { json.BeginObject(true); - + json.WriteString("Offset"); json.WriteNumber(offset); - hAllocation->PrintParameters(json); + if (IsVirtual()) + { + json.WriteString("Size"); + json.WriteNumber(size); + if (userData) + { + json.WriteString("CustomData"); + json.BeginString(); + json.ContinueString_Pointer(userData); + json.EndString(); + } + } + else + { + ((VmaAllocation)userData)->PrintParameters(json); + } json.EndObject(); } void VmaBlockMetadata::PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, - VkDeviceSize offset, - VkDeviceSize size) const + VkDeviceSize offset, VkDeviceSize size) const { json.BeginObject(true); - + json.WriteString("Offset"); json.WriteNumber(offset); @@ -8175,26 +6500,340 @@ void VmaBlockMetadata::PrintDetailedMap_UnusedRange(class VmaJsonWriter& json, void VmaBlockMetadata::PrintDetailedMap_End(class VmaJsonWriter& json) const { json.EndArray(); - json.EndObject(); } +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_BLOCK_METADATA_FUNCTIONS +#endif // _VMA_BLOCK_METADATA -#endif // #if VMA_STATS_STRING_ENABLED +#ifndef _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY +// Before deleting object of this class remember to call 'Destroy()' +class VmaBlockBufferImageGranularity final +{ +public: + struct ValidationContext + { + const VkAllocationCallbacks* allocCallbacks; + uint16_t* pageAllocs; + }; -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata_Generic + VmaBlockBufferImageGranularity(VkDeviceSize bufferImageGranularity); + ~VmaBlockBufferImageGranularity(); -VmaBlockMetadata_Generic::VmaBlockMetadata_Generic(VmaAllocator hAllocator) : - VmaBlockMetadata(hAllocator), - m_FreeCount(0), - m_SumFreeSize(0), - m_Suballocations(VmaStlAllocator<VmaSuballocation>(hAllocator->GetAllocationCallbacks())), - m_FreeSuballocationsBySize(VmaStlAllocator<VmaSuballocationList::iterator>(hAllocator->GetAllocationCallbacks())) + bool IsEnabled() const { return m_BufferImageGranularity > MAX_LOW_BUFFER_IMAGE_GRANULARITY; } + + void Init(const VkAllocationCallbacks* pAllocationCallbacks, VkDeviceSize size); + // Before destroying object you must call free it's memory + void Destroy(const VkAllocationCallbacks* pAllocationCallbacks); + + void RoundupAllocRequest(VmaSuballocationType allocType, + VkDeviceSize& inOutAllocSize, + VkDeviceSize& inOutAllocAlignment) const; + + bool CheckConflictAndAlignUp(VkDeviceSize& inOutAllocOffset, + VkDeviceSize allocSize, + VkDeviceSize blockOffset, + VkDeviceSize blockSize, + VmaSuballocationType allocType) const; + + void AllocPages(uint8_t allocType, VkDeviceSize offset, VkDeviceSize size); + void FreePages(VkDeviceSize offset, VkDeviceSize size); + void Clear(); + + ValidationContext StartValidation(const VkAllocationCallbacks* pAllocationCallbacks, + bool isVirutal) const; + bool Validate(ValidationContext& ctx, VkDeviceSize offset, VkDeviceSize size) const; + bool FinishValidation(ValidationContext& ctx) const; + +private: + static const uint16_t MAX_LOW_BUFFER_IMAGE_GRANULARITY = 256; + + struct RegionInfo + { + uint8_t allocType; + uint16_t allocCount; + }; + + VkDeviceSize m_BufferImageGranularity; + uint32_t m_RegionCount; + RegionInfo* m_RegionInfo; + + uint32_t GetStartPage(VkDeviceSize offset) const { return OffsetToPageIndex(offset & ~(m_BufferImageGranularity - 1)); } + uint32_t GetEndPage(VkDeviceSize offset, VkDeviceSize size) const { return OffsetToPageIndex((offset + size - 1) & ~(m_BufferImageGranularity - 1)); } + + uint32_t OffsetToPageIndex(VkDeviceSize offset) const; + void AllocPage(RegionInfo& page, uint8_t allocType); +}; + +#ifndef _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY_FUNCTIONS +VmaBlockBufferImageGranularity::VmaBlockBufferImageGranularity(VkDeviceSize bufferImageGranularity) + : m_BufferImageGranularity(bufferImageGranularity), + m_RegionCount(0), + m_RegionInfo(VMA_NULL) {} + +VmaBlockBufferImageGranularity::~VmaBlockBufferImageGranularity() +{ + VMA_ASSERT(m_RegionInfo == VMA_NULL && "Free not called before destroying object!"); +} + +void VmaBlockBufferImageGranularity::Init(const VkAllocationCallbacks* pAllocationCallbacks, VkDeviceSize size) +{ + if (IsEnabled()) + { + m_RegionCount = static_cast<uint32_t>(VmaDivideRoundingUp(size, m_BufferImageGranularity)); + m_RegionInfo = vma_new_array(pAllocationCallbacks, RegionInfo, m_RegionCount); + memset(m_RegionInfo, 0, m_RegionCount * sizeof(RegionInfo)); + } +} + +void VmaBlockBufferImageGranularity::Destroy(const VkAllocationCallbacks* pAllocationCallbacks) +{ + if (m_RegionInfo) + { + vma_delete_array(pAllocationCallbacks, m_RegionInfo, m_RegionCount); + m_RegionInfo = VMA_NULL; + } +} + +void VmaBlockBufferImageGranularity::RoundupAllocRequest(VmaSuballocationType allocType, + VkDeviceSize& inOutAllocSize, + VkDeviceSize& inOutAllocAlignment) const +{ + if (m_BufferImageGranularity > 1 && + m_BufferImageGranularity <= MAX_LOW_BUFFER_IMAGE_GRANULARITY) + { + if (allocType == VMA_SUBALLOCATION_TYPE_UNKNOWN || + allocType == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || + allocType == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL) + { + inOutAllocAlignment = VMA_MAX(inOutAllocAlignment, m_BufferImageGranularity); + inOutAllocSize = VmaAlignUp(inOutAllocSize, m_BufferImageGranularity); + } + } +} + +bool VmaBlockBufferImageGranularity::CheckConflictAndAlignUp(VkDeviceSize& inOutAllocOffset, + VkDeviceSize allocSize, + VkDeviceSize blockOffset, + VkDeviceSize blockSize, + VmaSuballocationType allocType) const +{ + if (IsEnabled()) + { + uint32_t startPage = GetStartPage(inOutAllocOffset); + if (m_RegionInfo[startPage].allocCount > 0 && + VmaIsBufferImageGranularityConflict(static_cast<VmaSuballocationType>(m_RegionInfo[startPage].allocType), allocType)) + { + inOutAllocOffset = VmaAlignUp(inOutAllocOffset, m_BufferImageGranularity); + if (blockSize < allocSize + inOutAllocOffset - blockOffset) + return true; + ++startPage; + } + uint32_t endPage = GetEndPage(inOutAllocOffset, allocSize); + if (endPage != startPage && + m_RegionInfo[endPage].allocCount > 0 && + VmaIsBufferImageGranularityConflict(static_cast<VmaSuballocationType>(m_RegionInfo[endPage].allocType), allocType)) + { + return true; + } + } + return false; +} + +void VmaBlockBufferImageGranularity::AllocPages(uint8_t allocType, VkDeviceSize offset, VkDeviceSize size) +{ + if (IsEnabled()) + { + uint32_t startPage = GetStartPage(offset); + AllocPage(m_RegionInfo[startPage], allocType); + + uint32_t endPage = GetEndPage(offset, size); + if (startPage != endPage) + AllocPage(m_RegionInfo[endPage], allocType); + } +} + +void VmaBlockBufferImageGranularity::FreePages(VkDeviceSize offset, VkDeviceSize size) +{ + if (IsEnabled()) + { + uint32_t startPage = GetStartPage(offset); + --m_RegionInfo[startPage].allocCount; + if (m_RegionInfo[startPage].allocCount == 0) + m_RegionInfo[startPage].allocType = VMA_SUBALLOCATION_TYPE_FREE; + uint32_t endPage = GetEndPage(offset, size); + if (startPage != endPage) + { + --m_RegionInfo[endPage].allocCount; + if (m_RegionInfo[endPage].allocCount == 0) + m_RegionInfo[endPage].allocType = VMA_SUBALLOCATION_TYPE_FREE; + } + } +} + +void VmaBlockBufferImageGranularity::Clear() +{ + if (m_RegionInfo) + memset(m_RegionInfo, 0, m_RegionCount * sizeof(RegionInfo)); +} + +VmaBlockBufferImageGranularity::ValidationContext VmaBlockBufferImageGranularity::StartValidation( + const VkAllocationCallbacks* pAllocationCallbacks, bool isVirutal) const +{ + ValidationContext ctx{ pAllocationCallbacks, VMA_NULL }; + if (!isVirutal && IsEnabled()) + { + ctx.pageAllocs = vma_new_array(pAllocationCallbacks, uint16_t, m_RegionCount); + memset(ctx.pageAllocs, 0, m_RegionCount * sizeof(uint16_t)); + } + return ctx; +} + +bool VmaBlockBufferImageGranularity::Validate(ValidationContext& ctx, + VkDeviceSize offset, VkDeviceSize size) const +{ + if (IsEnabled()) + { + uint32_t start = GetStartPage(offset); + ++ctx.pageAllocs[start]; + VMA_VALIDATE(m_RegionInfo[start].allocCount > 0); + + uint32_t end = GetEndPage(offset, size); + if (start != end) + { + ++ctx.pageAllocs[end]; + VMA_VALIDATE(m_RegionInfo[end].allocCount > 0); + } + } + return true; +} + +bool VmaBlockBufferImageGranularity::FinishValidation(ValidationContext& ctx) const { + // Check proper page structure + if (IsEnabled()) + { + VMA_ASSERT(ctx.pageAllocs != VMA_NULL && "Validation context not initialized!"); + + for (uint32_t page = 0; page < m_RegionCount; ++page) + { + VMA_VALIDATE(ctx.pageAllocs[page] == m_RegionInfo[page].allocCount); + } + vma_delete_array(ctx.allocCallbacks, ctx.pageAllocs, m_RegionCount); + ctx.pageAllocs = VMA_NULL; + } + return true; } -VmaBlockMetadata_Generic::~VmaBlockMetadata_Generic() +uint32_t VmaBlockBufferImageGranularity::OffsetToPageIndex(VkDeviceSize offset) const { + return static_cast<uint32_t>(offset >> VMA_BITSCAN_MSB(m_BufferImageGranularity)); +} + +void VmaBlockBufferImageGranularity::AllocPage(RegionInfo& page, uint8_t allocType) +{ + // When current alloc type is free then it can be overriden by new type + if (page.allocCount == 0 || (page.allocCount > 0 && page.allocType == VMA_SUBALLOCATION_TYPE_FREE)) + page.allocType = allocType; + + ++page.allocCount; } +#endif // _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY_FUNCTIONS +#endif // _VMA_BLOCK_BUFFER_IMAGE_GRANULARITY + +#if 0 +#ifndef _VMA_BLOCK_METADATA_GENERIC +class VmaBlockMetadata_Generic : public VmaBlockMetadata +{ + friend class VmaDefragmentationAlgorithm_Generic; + friend class VmaDefragmentationAlgorithm_Fast; + VMA_CLASS_NO_COPY(VmaBlockMetadata_Generic) +public: + VmaBlockMetadata_Generic(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_Generic() = default; + + size_t GetAllocationCount() const override { return m_Suballocations.size() - m_FreeCount; } + VkDeviceSize GetSumFreeSize() const override { return m_SumFreeSize; } + bool IsEmpty() const override { return (m_Suballocations.size() == 1) && (m_FreeCount == 1); } + void Free(VmaAllocHandle allocHandle) override { FreeSuballocation(FindAtOffset((VkDeviceSize)allocHandle - 1)); } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return (VkDeviceSize)allocHandle - 1; }; + + void Init(VkDeviceSize size) override; + bool Validate() const override; + + void AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const override; + void AddStatistics(VmaStatistics& inoutStats) const override; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json, uint32_t mapRefCount) const override; +#endif + + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; + + VkResult CheckCorruption(const void* pBlockData) override; + + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; + + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void* GetAllocationUserData(VmaAllocHandle allocHandle) const override; + VmaAllocHandle GetAllocationListBegin() const override; + VmaAllocHandle GetNextAllocation(VmaAllocHandle prevAlloc) const override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; + void DebugLogAllAllocations() const override; + +private: + uint32_t m_FreeCount; + VkDeviceSize m_SumFreeSize; + VmaSuballocationList m_Suballocations; + // Suballocations that are free. Sorted by size, ascending. + VmaVector<VmaSuballocationList::iterator, VmaStlAllocator<VmaSuballocationList::iterator>> m_FreeSuballocationsBySize; + + VkDeviceSize AlignAllocationSize(VkDeviceSize size) const { return IsVirtual() ? size : VmaAlignUp(size, (VkDeviceSize)16); } + + VmaSuballocationList::iterator FindAtOffset(VkDeviceSize offset) const; + bool ValidateFreeSuballocationList() const; + + // Checks if requested suballocation with given parameters can be placed in given pFreeSuballocItem. + // If yes, fills pOffset and returns true. If no, returns false. + bool CheckAllocation( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + VmaSuballocationList::const_iterator suballocItem, + VmaAllocHandle* pAllocHandle) const; + + // Given free suballocation, it merges it with following one, which must also be free. + void MergeFreeWithNext(VmaSuballocationList::iterator item); + // Releases given suballocation, making it free. + // Merges it with adjacent free suballocations if applicable. + // Returns iterator to new free suballocation at this place. + VmaSuballocationList::iterator FreeSuballocation(VmaSuballocationList::iterator suballocItem); + // Given free suballocation, it inserts it into sorted list of + // m_FreeSuballocationsBySize if it is suitable. + void RegisterFreeSuballocation(VmaSuballocationList::iterator item); + // Given free suballocation, it removes it from sorted list of + // m_FreeSuballocationsBySize if it is suitable. + void UnregisterFreeSuballocation(VmaSuballocationList::iterator item); +}; + +#ifndef _VMA_BLOCK_METADATA_GENERIC_FUNCTIONS +VmaBlockMetadata_Generic::VmaBlockMetadata_Generic(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), + m_FreeCount(0), + m_SumFreeSize(0), + m_Suballocations(VmaStlAllocator<VmaSuballocation>(pAllocationCallbacks)), + m_FreeSuballocationsBySize(VmaStlAllocator<VmaSuballocationList::iterator>(pAllocationCallbacks)) {} void VmaBlockMetadata_Generic::Init(VkDeviceSize size) { @@ -8207,19 +6846,15 @@ void VmaBlockMetadata_Generic::Init(VkDeviceSize size) suballoc.offset = 0; suballoc.size = size; suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - VMA_ASSERT(size > VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER); m_Suballocations.push_back(suballoc); - VmaSuballocationList::iterator suballocItem = m_Suballocations.end(); - --suballocItem; - m_FreeSuballocationsBySize.push_back(suballocItem); + m_FreeSuballocationsBySize.push_back(m_Suballocations.begin()); } bool VmaBlockMetadata_Generic::Validate() const { VMA_VALIDATE(!m_Suballocations.empty()); - + // Expected offset of new suballocation as calculated from previous ones. VkDeviceSize calculatedOffset = 0; // Expected number of free suballocations as calculated from traversing their list. @@ -8232,12 +6867,10 @@ bool VmaBlockMetadata_Generic::Validate() const // True if previous visited suballocation was free. bool prevFree = false; - for(VmaSuballocationList::const_iterator suballocItem = m_Suballocations.cbegin(); - suballocItem != m_Suballocations.cend(); - ++suballocItem) + const VkDeviceSize debugMargin = GetDebugMargin(); + + for (const auto& subAlloc : m_Suballocations) { - const VmaSuballocation& subAlloc = *suballocItem; - // Actual offset of this suballocation doesn't match expected one. VMA_VALIDATE(subAlloc.offset == calculatedOffset); @@ -8245,29 +6878,31 @@ bool VmaBlockMetadata_Generic::Validate() const // Two adjacent free suballocations are invalid. They should be merged. VMA_VALIDATE(!prevFree || !currFree); - VMA_VALIDATE(currFree == (subAlloc.hAllocation == VK_NULL_HANDLE)); + VmaAllocation alloc = (VmaAllocation)subAlloc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } - if(currFree) + if (currFree) { calculatedSumFreeSize += subAlloc.size; ++calculatedFreeCount; - if(subAlloc.size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - ++freeSuballocationsToRegister; - } + ++freeSuballocationsToRegister; // Margin required between allocations - every free space must be at least that large. -#if VMA_DEBUG_MARGIN - VMA_VALIDATE(subAlloc.size >= VMA_DEBUG_MARGIN); -#endif + VMA_VALIDATE(subAlloc.size >= debugMargin); } else { - VMA_VALIDATE(subAlloc.hAllocation->GetOffset() == subAlloc.offset); - VMA_VALIDATE(subAlloc.hAllocation->GetSize() == subAlloc.size); + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == subAlloc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == subAlloc.size); + } // Margin required between allocations - previous allocation must be free. - VMA_VALIDATE(VMA_DEBUG_MARGIN == 0 || prevFree); + VMA_VALIDATE(debugMargin == 0 || prevFree); } calculatedOffset += subAlloc.size; @@ -8279,10 +6914,10 @@ bool VmaBlockMetadata_Generic::Validate() const VMA_VALIDATE(m_FreeSuballocationsBySize.size() == freeSuballocationsToRegister); VkDeviceSize lastSize = 0; - for(size_t i = 0; i < m_FreeSuballocationsBySize.size(); ++i) + for (size_t i = 0; i < m_FreeSuballocationsBySize.size(); ++i) { VmaSuballocationList::iterator suballocItem = m_FreeSuballocationsBySize[i]; - + // Only free suballocations can be registered in m_FreeSuballocationsBySize. VMA_VALIDATE(suballocItem->type == VMA_SUBALLOCATION_TYPE_FREE); // They must be sorted by size ascending. @@ -8291,7 +6926,7 @@ bool VmaBlockMetadata_Generic::Validate() const lastSize = suballocItem->size; } - // Check if totals match calculacted values. + // Check if totals match calculated values. VMA_VALIDATE(ValidateFreeSuballocationList()); VMA_VALIDATE(calculatedOffset == GetSize()); VMA_VALIDATE(calculatedSumFreeSize == m_SumFreeSize); @@ -8300,202 +6935,139 @@ bool VmaBlockMetadata_Generic::Validate() const return true; } -VkDeviceSize VmaBlockMetadata_Generic::GetUnusedRangeSizeMax() const -{ - if(!m_FreeSuballocationsBySize.empty()) - { - return m_FreeSuballocationsBySize.back()->size; - } - else - { - return 0; - } -} - -bool VmaBlockMetadata_Generic::IsEmpty() const -{ - return (m_Suballocations.size() == 1) && (m_FreeCount == 1); -} - -void VmaBlockMetadata_Generic::CalcAllocationStatInfo(VmaStatInfo& outInfo) const +void VmaBlockMetadata_Generic::AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const { - outInfo.blockCount = 1; - const uint32_t rangeCount = (uint32_t)m_Suballocations.size(); - outInfo.allocationCount = rangeCount - m_FreeCount; - outInfo.unusedRangeCount = m_FreeCount; - - outInfo.unusedBytes = m_SumFreeSize; - outInfo.usedBytes = GetSize() - outInfo.unusedBytes; + inoutStats.statistics.blockCount++; + inoutStats.statistics.blockBytes += GetSize(); - outInfo.allocationSizeMin = UINT64_MAX; - outInfo.allocationSizeMax = 0; - outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMax = 0; - - for(VmaSuballocationList::const_iterator suballocItem = m_Suballocations.cbegin(); - suballocItem != m_Suballocations.cend(); - ++suballocItem) + for (const auto& suballoc : m_Suballocations) { - const VmaSuballocation& suballoc = *suballocItem; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) - { - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MAX(outInfo.allocationSizeMax, suballoc.size); - } + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + VmaAddDetailedStatisticsAllocation(inoutStats, suballoc.size); else - { - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, suballoc.size); - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, suballoc.size); - } + VmaAddDetailedStatisticsUnusedRange(inoutStats, suballoc.size); } } -void VmaBlockMetadata_Generic::AddPoolStats(VmaPoolStats& inoutStats) const +void VmaBlockMetadata_Generic::AddStatistics(VmaStatistics& inoutStats) const { - const uint32_t rangeCount = (uint32_t)m_Suballocations.size(); - - inoutStats.size += GetSize(); - inoutStats.unusedSize += m_SumFreeSize; - inoutStats.allocationCount += rangeCount - m_FreeCount; - inoutStats.unusedRangeCount += m_FreeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, GetUnusedRangeSizeMax()); + inoutStats.blockCount++; + inoutStats.allocationCount += (uint32_t)m_Suballocations.size() - m_FreeCount; + inoutStats.blockBytes += GetSize(); + inoutStats.allocationBytes += GetSize() - m_SumFreeSize; } #if VMA_STATS_STRING_ENABLED - -void VmaBlockMetadata_Generic::PrintDetailedMap(class VmaJsonWriter& json) const +void VmaBlockMetadata_Generic::PrintDetailedMap(class VmaJsonWriter& json, uint32_t mapRefCount) const { PrintDetailedMap_Begin(json, m_SumFreeSize, // unusedBytes m_Suballocations.size() - (size_t)m_FreeCount, // allocationCount - m_FreeCount); // unusedRangeCount + m_FreeCount, // unusedRangeCount + mapRefCount); - size_t i = 0; - for(VmaSuballocationList::const_iterator suballocItem = m_Suballocations.cbegin(); - suballocItem != m_Suballocations.cend(); - ++suballocItem, ++i) + for (const auto& suballoc : m_Suballocations) { - if(suballocItem->type == VMA_SUBALLOCATION_TYPE_FREE) + if (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE) { - PrintDetailedMap_UnusedRange(json, suballocItem->offset, suballocItem->size); + PrintDetailedMap_UnusedRange(json, suballoc.offset, suballoc.size); } else { - PrintDetailedMap_Allocation(json, suballocItem->offset, suballocItem->hAllocation); + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); } } PrintDetailedMap_End(json); } - -#endif // #if VMA_STATS_STRING_ENABLED +#endif // VMA_STATS_STRING_ENABLED bool VmaBlockMetadata_Generic::CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, VkDeviceSize allocSize, VkDeviceSize allocAlignment, bool upperAddress, VmaSuballocationType allocType, - bool canMakeOtherLost, uint32_t strategy, VmaAllocationRequest* pAllocationRequest) { VMA_ASSERT(allocSize > 0); VMA_ASSERT(!upperAddress); - (void) upperAddress; VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); VMA_ASSERT(pAllocationRequest != VMA_NULL); VMA_HEAVY_ASSERT(Validate()); + allocSize = AlignAllocationSize(allocSize); + pAllocationRequest->type = VmaAllocationRequestType::Normal; + pAllocationRequest->size = allocSize; - // There is not enough total free space in this block to fullfill the request: Early return. - if(canMakeOtherLost == false && - m_SumFreeSize < allocSize + 2 * VMA_DEBUG_MARGIN) + const VkDeviceSize debugMargin = GetDebugMargin(); + + // There is not enough total free space in this block to fulfill the request: Early return. + if (m_SumFreeSize < allocSize + debugMargin) { return false; } // New algorithm, efficiently searching freeSuballocationsBySize. const size_t freeSuballocCount = m_FreeSuballocationsBySize.size(); - if(freeSuballocCount > 0) + if (freeSuballocCount > 0) { - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT) + if (strategy == 0 || + strategy == VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT) { - // Find first free suballocation with size not less than allocSize + 2 * VMA_DEBUG_MARGIN. + // Find first free suballocation with size not less than allocSize + debugMargin. VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess( m_FreeSuballocationsBySize.data(), m_FreeSuballocationsBySize.data() + freeSuballocCount, - allocSize + 2 * VMA_DEBUG_MARGIN, + allocSize + debugMargin, VmaSuballocationItemSizeLess()); size_t index = it - m_FreeSuballocationsBySize.data(); - for(; index < freeSuballocCount; ++index) + for (; index < freeSuballocCount; ++index) { - if(CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, + if (CheckAllocation( allocSize, allocAlignment, allocType, m_FreeSuballocationsBySize[index], - false, // canMakeOtherLost - &pAllocationRequest->offset, - &pAllocationRequest->itemsToMakeLostCount, - &pAllocationRequest->sumFreeSize, - &pAllocationRequest->sumItemSize)) + &pAllocationRequest->allocHandle)) { pAllocationRequest->item = m_FreeSuballocationsBySize[index]; return true; } } } - else if(strategy == VMA_ALLOCATION_INTERNAL_STRATEGY_MIN_OFFSET) + else if (strategy == VMA_ALLOCATION_INTERNAL_STRATEGY_MIN_OFFSET) { - for(VmaSuballocationList::iterator it = m_Suballocations.begin(); + for (VmaSuballocationList::iterator it = m_Suballocations.begin(); it != m_Suballocations.end(); ++it) { - if(it->type == VMA_SUBALLOCATION_TYPE_FREE && CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, + if (it->type == VMA_SUBALLOCATION_TYPE_FREE && CheckAllocation( allocSize, allocAlignment, allocType, it, - false, // canMakeOtherLost - &pAllocationRequest->offset, - &pAllocationRequest->itemsToMakeLostCount, - &pAllocationRequest->sumFreeSize, - &pAllocationRequest->sumItemSize)) + &pAllocationRequest->allocHandle)) { pAllocationRequest->item = it; return true; } } } - else // WORST_FIT, FIRST_FIT + else { + VMA_ASSERT(strategy & (VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT | VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT )); // Search staring from biggest suballocations. - for(size_t index = freeSuballocCount; index--; ) + for (size_t index = freeSuballocCount; index--; ) { - if(CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, + if (CheckAllocation( allocSize, allocAlignment, allocType, m_FreeSuballocationsBySize[index], - false, // canMakeOtherLost - &pAllocationRequest->offset, - &pAllocationRequest->itemsToMakeLostCount, - &pAllocationRequest->sumFreeSize, - &pAllocationRequest->sumItemSize)) + &pAllocationRequest->allocHandle)) { pAllocationRequest->item = m_FreeSuballocationsBySize[index]; return true; @@ -8504,125 +7076,19 @@ bool VmaBlockMetadata_Generic::CreateAllocationRequest( } } - if(canMakeOtherLost) - { - // Brute-force algorithm. TODO: Come up with something better. - - bool found = false; - VmaAllocationRequest tmpAllocRequest = {}; - tmpAllocRequest.type = VmaAllocationRequestType::Normal; - for(VmaSuballocationList::iterator suballocIt = m_Suballocations.begin(); - suballocIt != m_Suballocations.end(); - ++suballocIt) - { - if(suballocIt->type == VMA_SUBALLOCATION_TYPE_FREE || - suballocIt->hAllocation->CanBecomeLost()) - { - if(CheckAllocation( - currentFrameIndex, - frameInUseCount, - bufferImageGranularity, - allocSize, - allocAlignment, - allocType, - suballocIt, - canMakeOtherLost, - &tmpAllocRequest.offset, - &tmpAllocRequest.itemsToMakeLostCount, - &tmpAllocRequest.sumFreeSize, - &tmpAllocRequest.sumItemSize)) - { - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT) - { - *pAllocationRequest = tmpAllocRequest; - pAllocationRequest->item = suballocIt; - break; - } - if(!found || tmpAllocRequest.CalcCost() < pAllocationRequest->CalcCost()) - { - *pAllocationRequest = tmpAllocRequest; - pAllocationRequest->item = suballocIt; - found = true; - } - } - } - } - - return found; - } - return false; } -bool VmaBlockMetadata_Generic::MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VmaAllocationRequest* pAllocationRequest) -{ - VMA_ASSERT(pAllocationRequest && pAllocationRequest->type == VmaAllocationRequestType::Normal); - - while(pAllocationRequest->itemsToMakeLostCount > 0) - { - if(pAllocationRequest->item->type == VMA_SUBALLOCATION_TYPE_FREE) - { - ++pAllocationRequest->item; - } - VMA_ASSERT(pAllocationRequest->item != m_Suballocations.end()); - VMA_ASSERT(pAllocationRequest->item->hAllocation != VK_NULL_HANDLE); - VMA_ASSERT(pAllocationRequest->item->hAllocation->CanBecomeLost()); - if(pAllocationRequest->item->hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - pAllocationRequest->item = FreeSuballocation(pAllocationRequest->item); - --pAllocationRequest->itemsToMakeLostCount; - } - else - { - return false; - } - } - - VMA_HEAVY_ASSERT(Validate()); - VMA_ASSERT(pAllocationRequest->item != m_Suballocations.end()); - VMA_ASSERT(pAllocationRequest->item->type == VMA_SUBALLOCATION_TYPE_FREE); - - return true; -} - -uint32_t VmaBlockMetadata_Generic::MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) -{ - uint32_t lostAllocationCount = 0; - for(VmaSuballocationList::iterator it = m_Suballocations.begin(); - it != m_Suballocations.end(); - ++it) - { - if(it->type != VMA_SUBALLOCATION_TYPE_FREE && - it->hAllocation->CanBecomeLost() && - it->hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - it = FreeSuballocation(it); - ++lostAllocationCount; - } - } - return lostAllocationCount; -} - VkResult VmaBlockMetadata_Generic::CheckCorruption(const void* pBlockData) { - for(VmaSuballocationList::iterator it = m_Suballocations.begin(); - it != m_Suballocations.end(); - ++it) + for (auto& suballoc : m_Suballocations) { - if(it->type != VMA_SUBALLOCATION_TYPE_FREE) + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) { - if(!VmaValidateMagicValue(pBlockData, it->offset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if(!VmaValidateMagicValue(pBlockData, it->offset + it->size)) + if (!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) { VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; + return VK_ERROR_UNKNOWN_COPY; } } } @@ -8633,34 +7099,34 @@ VkResult VmaBlockMetadata_Generic::CheckCorruption(const void* pBlockData) void VmaBlockMetadata_Generic::Alloc( const VmaAllocationRequest& request, VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation) + void* userData) { VMA_ASSERT(request.type == VmaAllocationRequestType::Normal); VMA_ASSERT(request.item != m_Suballocations.end()); VmaSuballocation& suballoc = *request.item; // Given suballocation is a free block. VMA_ASSERT(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); + // Given offset is inside this suballocation. - VMA_ASSERT(request.offset >= suballoc.offset); - const VkDeviceSize paddingBegin = request.offset - suballoc.offset; - VMA_ASSERT(suballoc.size >= paddingBegin + allocSize); - const VkDeviceSize paddingEnd = suballoc.size - paddingBegin - allocSize; + VMA_ASSERT((VkDeviceSize)request.allocHandle - 1 >= suballoc.offset); + const VkDeviceSize paddingBegin = (VkDeviceSize)request.allocHandle - suballoc.offset - 1; + VMA_ASSERT(suballoc.size >= paddingBegin + request.size); + const VkDeviceSize paddingEnd = suballoc.size - paddingBegin - request.size; // Unregister this free suballocation from m_FreeSuballocationsBySize and update // it to become used. UnregisterFreeSuballocation(request.item); - suballoc.offset = request.offset; - suballoc.size = allocSize; + suballoc.offset = (VkDeviceSize)request.allocHandle - 1; + suballoc.size = request.size; suballoc.type = type; - suballoc.hAllocation = hAllocation; + suballoc.userData = userData; // If there are any free bytes remaining at the end, insert new free suballocation after current one. - if(paddingEnd) + if (paddingEnd) { VmaSuballocation paddingSuballoc = {}; - paddingSuballoc.offset = request.offset + allocSize; + paddingSuballoc.offset = suballoc.offset + suballoc.size; paddingSuballoc.size = paddingEnd; paddingSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; VmaSuballocationList::iterator next = request.item; @@ -8671,10 +7137,10 @@ void VmaBlockMetadata_Generic::Alloc( } // If there are any free bytes remaining at the beginning, insert new free suballocation before current one. - if(paddingBegin) + if (paddingBegin) { VmaSuballocation paddingSuballoc = {}; - paddingSuballoc.offset = request.offset - paddingBegin; + paddingSuballoc.offset = suballoc.offset - paddingBegin; paddingSuballoc.size = paddingBegin; paddingSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; const VmaSuballocationList::iterator paddingBeginItem = @@ -8684,59 +7150,130 @@ void VmaBlockMetadata_Generic::Alloc( // Update totals. m_FreeCount = m_FreeCount - 1; - if(paddingBegin > 0) + if (paddingBegin > 0) { ++m_FreeCount; } - if(paddingEnd > 0) + if (paddingEnd > 0) { ++m_FreeCount; } - m_SumFreeSize -= allocSize; + m_SumFreeSize -= request.size; +} + +void VmaBlockMetadata_Generic::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + outInfo.offset = (VkDeviceSize)allocHandle - 1; + const VmaSuballocation& suballoc = *FindAtOffset(outInfo.offset); + outInfo.size = suballoc.size; + outInfo.pUserData = suballoc.userData; } -void VmaBlockMetadata_Generic::Free(const VmaAllocation allocation) +void* VmaBlockMetadata_Generic::GetAllocationUserData(VmaAllocHandle allocHandle) const { - for(VmaSuballocationList::iterator suballocItem = m_Suballocations.begin(); - suballocItem != m_Suballocations.end(); - ++suballocItem) + return FindAtOffset((VkDeviceSize)allocHandle - 1)->userData; +} + +VmaAllocHandle VmaBlockMetadata_Generic::GetAllocationListBegin() const +{ + if (IsEmpty()) + return VK_NULL_HANDLE; + + for (const auto& suballoc : m_Suballocations) { - VmaSuballocation& suballoc = *suballocItem; - if(suballoc.hAllocation == allocation) - { - FreeSuballocation(suballocItem); - VMA_HEAVY_ASSERT(Validate()); - return; - } + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + return (VmaAllocHandle)(suballoc.offset + 1); + } + VMA_ASSERT(false && "Should contain at least 1 allocation!"); + return VK_NULL_HANDLE; +} + +VmaAllocHandle VmaBlockMetadata_Generic::GetNextAllocation(VmaAllocHandle prevAlloc) const +{ + VmaSuballocationList::const_iterator prev = FindAtOffset((VkDeviceSize)prevAlloc - 1); + + for (VmaSuballocationList::const_iterator it = ++prev; it != m_Suballocations.end(); ++it) + { + if (it->type != VMA_SUBALLOCATION_TYPE_FREE) + return (VmaAllocHandle)(it->offset + 1); + } + return VK_NULL_HANDLE; +} + +void VmaBlockMetadata_Generic::Clear() +{ + const VkDeviceSize size = GetSize(); + + VMA_ASSERT(IsVirtual()); + m_FreeCount = 1; + m_SumFreeSize = size; + m_Suballocations.clear(); + m_FreeSuballocationsBySize.clear(); + + VmaSuballocation suballoc = {}; + suballoc.offset = 0; + suballoc.size = size; + suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + m_Suballocations.push_back(suballoc); + + m_FreeSuballocationsBySize.push_back(m_Suballocations.begin()); +} + +void VmaBlockMetadata_Generic::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + VmaSuballocation& suballoc = *FindAtOffset((VkDeviceSize)allocHandle - 1); + suballoc.userData = userData; +} + +void VmaBlockMetadata_Generic::DebugLogAllAllocations() const +{ + for (const auto& suballoc : m_Suballocations) + { + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + DebugLogAllocation(suballoc.offset, suballoc.size, suballoc.userData); } - VMA_ASSERT(0 && "Not found!"); } -void VmaBlockMetadata_Generic::FreeAtOffset(VkDeviceSize offset) +VmaSuballocationList::iterator VmaBlockMetadata_Generic::FindAtOffset(VkDeviceSize offset) const { - for(VmaSuballocationList::iterator suballocItem = m_Suballocations.begin(); - suballocItem != m_Suballocations.end(); - ++suballocItem) + VMA_HEAVY_ASSERT(!m_Suballocations.empty()); + const VkDeviceSize last = m_Suballocations.rbegin()->offset; + if (last == offset) + return m_Suballocations.rbegin().drop_const(); + const VkDeviceSize first = m_Suballocations.begin()->offset; + if (first == offset) + return m_Suballocations.begin().drop_const(); + + const size_t suballocCount = m_Suballocations.size(); + const VkDeviceSize step = (last - first + m_Suballocations.begin()->size) / suballocCount; + auto findSuballocation = [&](auto begin, auto end) -> VmaSuballocationList::iterator { - VmaSuballocation& suballoc = *suballocItem; - if(suballoc.offset == offset) + for (auto suballocItem = begin; + suballocItem != end; + ++suballocItem) { - FreeSuballocation(suballocItem); - return; + if (suballocItem->offset == offset) + return suballocItem.drop_const(); } + VMA_ASSERT(false && "Not found!"); + return m_Suballocations.end().drop_const(); + }; + // If requested offset is closer to the end of range, search from the end + if (offset - first > suballocCount * step / 2) + { + return findSuballocation(m_Suballocations.rbegin(), m_Suballocations.rend()); } - VMA_ASSERT(0 && "Not found!"); + return findSuballocation(m_Suballocations.begin(), m_Suballocations.end()); } bool VmaBlockMetadata_Generic::ValidateFreeSuballocationList() const { VkDeviceSize lastSize = 0; - for(size_t i = 0, count = m_FreeSuballocationsBySize.size(); i < count; ++i) + for (size_t i = 0, count = m_FreeSuballocationsBySize.size(); i < count; ++i) { const VmaSuballocationList::iterator it = m_FreeSuballocationsBySize[i]; VMA_VALIDATE(it->type == VMA_SUBALLOCATION_TYPE_FREE); - VMA_VALIDATE(it->size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER); VMA_VALIDATE(it->size >= lastSize); lastSize = it->size; } @@ -8744,276 +7281,105 @@ bool VmaBlockMetadata_Generic::ValidateFreeSuballocationList() const } bool VmaBlockMetadata_Generic::CheckAllocation( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, VkDeviceSize allocSize, VkDeviceSize allocAlignment, VmaSuballocationType allocType, VmaSuballocationList::const_iterator suballocItem, - bool canMakeOtherLost, - VkDeviceSize* pOffset, - size_t* itemsToMakeLostCount, - VkDeviceSize* pSumFreeSize, - VkDeviceSize* pSumItemSize) const + VmaAllocHandle* pAllocHandle) const { VMA_ASSERT(allocSize > 0); VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); VMA_ASSERT(suballocItem != m_Suballocations.cend()); - VMA_ASSERT(pOffset != VMA_NULL); - - *itemsToMakeLostCount = 0; - *pSumFreeSize = 0; - *pSumItemSize = 0; + VMA_ASSERT(pAllocHandle != VMA_NULL); - if(canMakeOtherLost) - { - if(suballocItem->type == VMA_SUBALLOCATION_TYPE_FREE) - { - *pSumFreeSize = suballocItem->size; - } - else - { - if(suballocItem->hAllocation->CanBecomeLost() && - suballocItem->hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++*itemsToMakeLostCount; - *pSumItemSize = suballocItem->size; - } - else - { - return false; - } - } + const VkDeviceSize debugMargin = GetDebugMargin(); + const VkDeviceSize bufferImageGranularity = GetBufferImageGranularity(); - // Remaining size is too small for this request: Early return. - if(GetSize() - suballocItem->offset < allocSize) - { - return false; - } + const VmaSuballocation& suballoc = *suballocItem; + VMA_ASSERT(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - // Start from offset equal to beginning of this suballocation. - *pOffset = suballocItem->offset; - - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - *pOffset += VMA_DEBUG_MARGIN; - } - - // Apply alignment. - *pOffset = VmaAlignUp(*pOffset, allocAlignment); + // Size of this suballocation is too small for this request: Early return. + if (suballoc.size < allocSize) + { + return false; + } - // Check previous suballocations for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1) - { - bool bufferImageGranularityConflict = false; - VmaSuballocationList::const_iterator prevSuballocItem = suballocItem; - while(prevSuballocItem != m_Suballocations.cbegin()) - { - --prevSuballocItem; - const VmaSuballocation& prevSuballoc = *prevSuballocItem; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, *pOffset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } - } - else - // Already on previous page. - break; - } - if(bufferImageGranularityConflict) - { - *pOffset = VmaAlignUp(*pOffset, bufferImageGranularity); - } - } - - // Now that we have final *pOffset, check if we are past suballocItem. - // If yes, return false - this function should be called for another suballocItem as starting point. - if(*pOffset >= suballocItem->offset + suballocItem->size) - { - return false; - } - - // Calculate padding at the beginning based on current offset. - const VkDeviceSize paddingBegin = *pOffset - suballocItem->offset; + // Start from offset equal to beginning of this suballocation. + VkDeviceSize offset = suballoc.offset + (suballocItem == m_Suballocations.cbegin() ? 0 : GetDebugMargin()); - // Calculate required margin at the end. - const VkDeviceSize requiredEndMargin = VMA_DEBUG_MARGIN; + // Apply debugMargin from the end of previous alloc. + if (debugMargin > 0) + { + offset += debugMargin; + } - const VkDeviceSize totalSize = paddingBegin + allocSize + requiredEndMargin; - // Another early return check. - if(suballocItem->offset + totalSize > GetSize()) - { - return false; - } + // Apply alignment. + offset = VmaAlignUp(offset, allocAlignment); - // Advance lastSuballocItem until desired size is reached. - // Update itemsToMakeLostCount. - VmaSuballocationList::const_iterator lastSuballocItem = suballocItem; - if(totalSize > suballocItem->size) + // Check previous suballocations for BufferImageGranularity conflicts. + // Make bigger alignment if necessary. + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment) + { + bool bufferImageGranularityConflict = false; + VmaSuballocationList::const_iterator prevSuballocItem = suballocItem; + while (prevSuballocItem != m_Suballocations.cbegin()) { - VkDeviceSize remainingSize = totalSize - suballocItem->size; - while(remainingSize > 0) + --prevSuballocItem; + const VmaSuballocation& prevSuballoc = *prevSuballocItem; + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, offset, bufferImageGranularity)) { - ++lastSuballocItem; - if(lastSuballocItem == m_Suballocations.cend()) - { - return false; - } - if(lastSuballocItem->type == VMA_SUBALLOCATION_TYPE_FREE) + if (VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) { - *pSumFreeSize += lastSuballocItem->size; - } - else - { - VMA_ASSERT(lastSuballocItem->hAllocation != VK_NULL_HANDLE); - if(lastSuballocItem->hAllocation->CanBecomeLost() && - lastSuballocItem->hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++*itemsToMakeLostCount; - *pSumItemSize += lastSuballocItem->size; - } - else - { - return false; - } + bufferImageGranularityConflict = true; + break; } - remainingSize = (lastSuballocItem->size < remainingSize) ? - remainingSize - lastSuballocItem->size : 0; } + else + // Already on previous page. + break; } - - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, we must mark more allocations lost or fail. - if(bufferImageGranularity > 1) + if (bufferImageGranularityConflict) { - VmaSuballocationList::const_iterator nextSuballocItem = lastSuballocItem; - ++nextSuballocItem; - while(nextSuballocItem != m_Suballocations.cend()) - { - const VmaSuballocation& nextSuballoc = *nextSuballocItem; - if(VmaBlocksOnSamePage(*pOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) - { - VMA_ASSERT(nextSuballoc.hAllocation != VK_NULL_HANDLE); - if(nextSuballoc.hAllocation->CanBecomeLost() && - nextSuballoc.hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++*itemsToMakeLostCount; - } - else - { - return false; - } - } - } - else - { - // Already on next page. - break; - } - ++nextSuballocItem; - } + offset = VmaAlignUp(offset, bufferImageGranularity); } } - else - { - const VmaSuballocation& suballoc = *suballocItem; - VMA_ASSERT(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - *pSumFreeSize = suballoc.size; + // Calculate padding at the beginning based on current offset. + const VkDeviceSize paddingBegin = offset - suballoc.offset; - // Size of this suballocation is too small for this request: Early return. - if(suballoc.size < allocSize) - { - return false; - } + // Fail if requested size plus margin after is bigger than size of this suballocation. + if (paddingBegin + allocSize + debugMargin > suballoc.size) + { + return false; + } - // Start from offset equal to beginning of this suballocation. - *pOffset = suballoc.offset; - - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - *pOffset += VMA_DEBUG_MARGIN; - } - - // Apply alignment. - *pOffset = VmaAlignUp(*pOffset, allocAlignment); - - // Check previous suballocations for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1) + // Check next suballocations for BufferImageGranularity conflicts. + // If conflict exists, allocation cannot be made here. + if (allocSize % bufferImageGranularity || offset % bufferImageGranularity) + { + VmaSuballocationList::const_iterator nextSuballocItem = suballocItem; + ++nextSuballocItem; + while (nextSuballocItem != m_Suballocations.cend()) { - bool bufferImageGranularityConflict = false; - VmaSuballocationList::const_iterator prevSuballocItem = suballocItem; - while(prevSuballocItem != m_Suballocations.cbegin()) + const VmaSuballocation& nextSuballoc = *nextSuballocItem; + if (VmaBlocksOnSamePage(offset, allocSize, nextSuballoc.offset, bufferImageGranularity)) { - --prevSuballocItem; - const VmaSuballocation& prevSuballoc = *prevSuballocItem; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, *pOffset, bufferImageGranularity)) + if (VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } + return false; } - else - // Already on previous page. - break; } - if(bufferImageGranularityConflict) + else { - *pOffset = VmaAlignUp(*pOffset, bufferImageGranularity); + // Already on next page. + break; } - } - - // Calculate padding at the beginning based on current offset. - const VkDeviceSize paddingBegin = *pOffset - suballoc.offset; - - // Calculate required margin at the end. - const VkDeviceSize requiredEndMargin = VMA_DEBUG_MARGIN; - - // Fail if requested size plus margin before and after is bigger than size of this suballocation. - if(paddingBegin + allocSize + requiredEndMargin > suballoc.size) - { - return false; - } - - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, allocation cannot be made here. - if(bufferImageGranularity > 1) - { - VmaSuballocationList::const_iterator nextSuballocItem = suballocItem; ++nextSuballocItem; - while(nextSuballocItem != m_Suballocations.cend()) - { - const VmaSuballocation& nextSuballoc = *nextSuballocItem; - if(VmaBlocksOnSamePage(*pOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) - { - return false; - } - } - else - { - // Already on next page. - break; - } - ++nextSuballocItem; - } } } - // All tests passed: Success. pOffset is already filled. + *pAllocHandle = (VmaAllocHandle)(offset + 1); + // All tests passed: Success. pAllocHandle is already filled. return true; } @@ -9021,7 +7387,7 @@ void VmaBlockMetadata_Generic::MergeFreeWithNext(VmaSuballocationList::iterator { VMA_ASSERT(item != m_Suballocations.end()); VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); - + VmaSuballocationList::iterator nextItem = item; ++nextItem; VMA_ASSERT(nextItem != m_Suballocations.end()); @@ -9037,8 +7403,8 @@ VmaSuballocationList::iterator VmaBlockMetadata_Generic::FreeSuballocation(VmaSu // Change this suballocation to be marked as free. VmaSuballocation& suballoc = *suballocItem; suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - + suballoc.userData = VMA_NULL; + // Update totals. ++m_FreeCount; m_SumFreeSize += suballoc.size; @@ -9046,31 +7412,31 @@ VmaSuballocationList::iterator VmaBlockMetadata_Generic::FreeSuballocation(VmaSu // Merge with previous and/or next suballocation if it's also free. bool mergeWithNext = false; bool mergeWithPrev = false; - + VmaSuballocationList::iterator nextItem = suballocItem; ++nextItem; - if((nextItem != m_Suballocations.end()) && (nextItem->type == VMA_SUBALLOCATION_TYPE_FREE)) + if ((nextItem != m_Suballocations.end()) && (nextItem->type == VMA_SUBALLOCATION_TYPE_FREE)) { mergeWithNext = true; } VmaSuballocationList::iterator prevItem = suballocItem; - if(suballocItem != m_Suballocations.begin()) + if (suballocItem != m_Suballocations.begin()) { --prevItem; - if(prevItem->type == VMA_SUBALLOCATION_TYPE_FREE) + if (prevItem->type == VMA_SUBALLOCATION_TYPE_FREE) { mergeWithPrev = true; } } - if(mergeWithNext) + if (mergeWithNext) { UnregisterFreeSuballocation(nextItem); MergeFreeWithNext(suballocItem); } - if(mergeWithPrev) + if (mergeWithPrev) { UnregisterFreeSuballocation(prevItem); MergeFreeWithNext(prevItem); @@ -9093,22 +7459,18 @@ void VmaBlockMetadata_Generic::RegisterFreeSuballocation(VmaSuballocationList::i // this function, depending on what do you want to check. VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); - if(item->size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) + if (m_FreeSuballocationsBySize.empty()) { - if(m_FreeSuballocationsBySize.empty()) - { - m_FreeSuballocationsBySize.push_back(item); - } - else - { - VmaVectorInsertSorted<VmaSuballocationItemSizeLess>(m_FreeSuballocationsBySize, item); - } + m_FreeSuballocationsBySize.push_back(item); + } + else + { + VmaVectorInsertSorted<VmaSuballocationItemSizeLess>(m_FreeSuballocationsBySize, item); } //VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); } - void VmaBlockMetadata_Generic::UnregisterFreeSuballocation(VmaSuballocationList::iterator item) { VMA_ASSERT(item->type == VMA_SUBALLOCATION_TYPE_FREE); @@ -9118,79 +7480,230 @@ void VmaBlockMetadata_Generic::UnregisterFreeSuballocation(VmaSuballocationList: // this function, depending on what do you want to check. VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); - if(item->size >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) + VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess( + m_FreeSuballocationsBySize.data(), + m_FreeSuballocationsBySize.data() + m_FreeSuballocationsBySize.size(), + item, + VmaSuballocationItemSizeLess()); + for (size_t index = it - m_FreeSuballocationsBySize.data(); + index < m_FreeSuballocationsBySize.size(); + ++index) { - VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess( - m_FreeSuballocationsBySize.data(), - m_FreeSuballocationsBySize.data() + m_FreeSuballocationsBySize.size(), - item, - VmaSuballocationItemSizeLess()); - for(size_t index = it - m_FreeSuballocationsBySize.data(); - index < m_FreeSuballocationsBySize.size(); - ++index) + if (m_FreeSuballocationsBySize[index] == item) { - if(m_FreeSuballocationsBySize[index] == item) - { - VmaVectorRemove(m_FreeSuballocationsBySize, index); - return; - } - VMA_ASSERT((m_FreeSuballocationsBySize[index]->size == item->size) && "Not found."); + VmaVectorRemove(m_FreeSuballocationsBySize, index); + return; } - VMA_ASSERT(0 && "Not found."); + VMA_ASSERT((m_FreeSuballocationsBySize[index]->size == item->size) && "Not found."); } + VMA_ASSERT(0 && "Not found."); //VMA_HEAVY_ASSERT(ValidateFreeSuballocationList()); } +#endif // _VMA_BLOCK_METADATA_GENERIC_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_GENERIC +#endif // #if 0 -bool VmaBlockMetadata_Generic::IsBufferImageGranularityConflictPossible( - VkDeviceSize bufferImageGranularity, - VmaSuballocationType& inOutPrevSuballocType) const +#ifndef _VMA_BLOCK_METADATA_LINEAR +/* +Allocations and their references in internal data structure look like this: + +if(m_2ndVectorMode == SECOND_VECTOR_EMPTY): + + 0 +-------+ + | | + | | + | | + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount] + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount + 1] + +-------+ + | ... | + +-------+ + | Alloc | 1st[1st.size() - 1] + +-------+ + | | + | | + | | +GetSize() +-------+ + +if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER): + + 0 +-------+ + | Alloc | 2nd[0] + +-------+ + | Alloc | 2nd[1] + +-------+ + | ... | + +-------+ + | Alloc | 2nd[2nd.size() - 1] + +-------+ + | | + | | + | | + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount] + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount + 1] + +-------+ + | ... | + +-------+ + | Alloc | 1st[1st.size() - 1] + +-------+ + | | +GetSize() +-------+ + +if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK): + + 0 +-------+ + | | + | | + | | + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount] + +-------+ + | Alloc | 1st[m_1stNullItemsBeginCount + 1] + +-------+ + | ... | + +-------+ + | Alloc | 1st[1st.size() - 1] + +-------+ + | | + | | + | | + +-------+ + | Alloc | 2nd[2nd.size() - 1] + +-------+ + | ... | + +-------+ + | Alloc | 2nd[1] + +-------+ + | Alloc | 2nd[0] +GetSize() +-------+ + +*/ +class VmaBlockMetadata_Linear : public VmaBlockMetadata { - if(bufferImageGranularity == 1 || IsEmpty()) - { - return false; - } + VMA_CLASS_NO_COPY(VmaBlockMetadata_Linear) +public: + VmaBlockMetadata_Linear(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_Linear() = default; + + VkDeviceSize GetSumFreeSize() const override { return m_SumFreeSize; } + bool IsEmpty() const override { return GetAllocationCount() == 0; } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return (VkDeviceSize)allocHandle - 1; }; + + void Init(VkDeviceSize size) override; + bool Validate() const override; + size_t GetAllocationCount() const override; + size_t GetFreeRegionsCount() const override; + + void AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const override; + void AddStatistics(VmaStatistics& inoutStats) const override; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json) const override; +#endif + + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; + + VkResult CheckCorruption(const void* pBlockData) override; + + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; + + void Free(VmaAllocHandle allocHandle) override; + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void* GetAllocationUserData(VmaAllocHandle allocHandle) const override; + VmaAllocHandle GetAllocationListBegin() const override; + VmaAllocHandle GetNextAllocation(VmaAllocHandle prevAlloc) const override; + VkDeviceSize GetNextFreeRegionSize(VmaAllocHandle alloc) const override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; + void DebugLogAllAllocations() const override; - VkDeviceSize minAlignment = VK_WHOLE_SIZE; - bool typeConflictFound = false; - for(VmaSuballocationList::const_iterator it = m_Suballocations.cbegin(); - it != m_Suballocations.cend(); - ++it) +private: + /* + There are two suballocation vectors, used in ping-pong way. + The one with index m_1stVectorIndex is called 1st. + The one with index (m_1stVectorIndex ^ 1) is called 2nd. + 2nd can be non-empty only when 1st is not empty. + When 2nd is not empty, m_2ndVectorMode indicates its mode of operation. + */ + typedef VmaVector<VmaSuballocation, VmaStlAllocator<VmaSuballocation>> SuballocationVectorType; + + enum SECOND_VECTOR_MODE { - const VmaSuballocationType suballocType = it->type; - if(suballocType != VMA_SUBALLOCATION_TYPE_FREE) - { - minAlignment = VMA_MIN(minAlignment, it->hAllocation->GetAlignment()); - if(VmaIsBufferImageGranularityConflict(inOutPrevSuballocType, suballocType)) - { - typeConflictFound = true; - } - inOutPrevSuballocType = suballocType; - } - } + SECOND_VECTOR_EMPTY, + /* + Suballocations in 2nd vector are created later than the ones in 1st, but they + all have smaller offset. + */ + SECOND_VECTOR_RING_BUFFER, + /* + Suballocations in 2nd vector are upper side of double stack. + They all have offsets higher than those in 1st vector. + Top of this stack means smaller offsets, but higher indices in this vector. + */ + SECOND_VECTOR_DOUBLE_STACK, + }; - return typeConflictFound || minAlignment >= bufferImageGranularity; -} + VkDeviceSize m_SumFreeSize; + SuballocationVectorType m_Suballocations0, m_Suballocations1; + uint32_t m_1stVectorIndex; + SECOND_VECTOR_MODE m_2ndVectorMode; + // Number of items in 1st vector with hAllocation = null at the beginning. + size_t m_1stNullItemsBeginCount; + // Number of other items in 1st vector with hAllocation = null somewhere in the middle. + size_t m_1stNullItemsMiddleCount; + // Number of items in 2nd vector with hAllocation = null. + size_t m_2ndNullItemsCount; -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata_Linear + SuballocationVectorType& AccessSuballocations1st() { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } + SuballocationVectorType& AccessSuballocations2nd() { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } + const SuballocationVectorType& AccessSuballocations1st() const { return m_1stVectorIndex ? m_Suballocations1 : m_Suballocations0; } + const SuballocationVectorType& AccessSuballocations2nd() const { return m_1stVectorIndex ? m_Suballocations0 : m_Suballocations1; } -VmaBlockMetadata_Linear::VmaBlockMetadata_Linear(VmaAllocator hAllocator) : - VmaBlockMetadata(hAllocator), + VmaSuballocation& FindSuballocation(VkDeviceSize offset) const; + bool ShouldCompact1st() const; + void CleanupAfterFree(); + + bool CreateAllocationRequest_LowerAddress( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest); + bool CreateAllocationRequest_UpperAddress( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest); +}; + +#ifndef _VMA_BLOCK_METADATA_LINEAR_FUNCTIONS +VmaBlockMetadata_Linear::VmaBlockMetadata_Linear(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), m_SumFreeSize(0), - m_Suballocations0(VmaStlAllocator<VmaSuballocation>(hAllocator->GetAllocationCallbacks())), - m_Suballocations1(VmaStlAllocator<VmaSuballocation>(hAllocator->GetAllocationCallbacks())), + m_Suballocations0(VmaStlAllocator<VmaSuballocation>(pAllocationCallbacks)), + m_Suballocations1(VmaStlAllocator<VmaSuballocation>(pAllocationCallbacks)), m_1stVectorIndex(0), m_2ndVectorMode(SECOND_VECTOR_EMPTY), m_1stNullItemsBeginCount(0), m_1stNullItemsMiddleCount(0), - m_2ndNullItemsCount(0) -{ -} - -VmaBlockMetadata_Linear::~VmaBlockMetadata_Linear() -{ -} + m_2ndNullItemsCount(0) {} void VmaBlockMetadata_Linear::Init(VkDeviceSize size) { @@ -9208,17 +7721,17 @@ bool VmaBlockMetadata_Linear::Validate() const suballocations2nd.empty() || m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER); - if(!suballocations1st.empty()) + if (!suballocations1st.empty()) { // Null item at the beginning should be accounted into m_1stNullItemsBeginCount. - VMA_VALIDATE(suballocations1st[m_1stNullItemsBeginCount].hAllocation != VK_NULL_HANDLE); + VMA_VALIDATE(suballocations1st[m_1stNullItemsBeginCount].type != VMA_SUBALLOCATION_TYPE_FREE); // Null item at the end should be just pop_back(). - VMA_VALIDATE(suballocations1st.back().hAllocation != VK_NULL_HANDLE); + VMA_VALIDATE(suballocations1st.back().type != VMA_SUBALLOCATION_TYPE_FREE); } - if(!suballocations2nd.empty()) + if (!suballocations2nd.empty()) { // Null item at the end should be just pop_back(). - VMA_VALIDATE(suballocations2nd.back().hAllocation != VK_NULL_HANDLE); + VMA_VALIDATE(suballocations2nd.back().type != VMA_SUBALLOCATION_TYPE_FREE); } VMA_VALIDATE(m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount <= suballocations1st.size()); @@ -9226,24 +7739,32 @@ bool VmaBlockMetadata_Linear::Validate() const VkDeviceSize sumUsedSize = 0; const size_t suballoc1stCount = suballocations1st.size(); - VkDeviceSize offset = VMA_DEBUG_MARGIN; + const VkDeviceSize debugMargin = GetDebugMargin(); + VkDeviceSize offset = 0; - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) { const size_t suballoc2ndCount = suballocations2nd.size(); size_t nullItem2ndCount = 0; - for(size_t i = 0; i < suballoc2ndCount; ++i) + for (size_t i = 0; i < suballoc2ndCount; ++i) { const VmaSuballocation& suballoc = suballocations2nd[i]; const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - VMA_VALIDATE(currFree == (suballoc.hAllocation == VK_NULL_HANDLE)); + VmaAllocation const alloc = (VmaAllocation)suballoc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } VMA_VALIDATE(suballoc.offset >= offset); - if(!currFree) + if (!currFree) { - VMA_VALIDATE(suballoc.hAllocation->GetOffset() == suballoc.offset); - VMA_VALIDATE(suballoc.hAllocation->GetSize() == suballoc.size); + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == suballoc.size); + } sumUsedSize += suballoc.size; } else @@ -9251,34 +7772,41 @@ bool VmaBlockMetadata_Linear::Validate() const ++nullItem2ndCount; } - offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN; + offset = suballoc.offset + suballoc.size + debugMargin; } VMA_VALIDATE(nullItem2ndCount == m_2ndNullItemsCount); } - for(size_t i = 0; i < m_1stNullItemsBeginCount; ++i) + for (size_t i = 0; i < m_1stNullItemsBeginCount; ++i) { const VmaSuballocation& suballoc = suballocations1st[i]; VMA_VALIDATE(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE && - suballoc.hAllocation == VK_NULL_HANDLE); + suballoc.userData == VMA_NULL); } size_t nullItem1stCount = m_1stNullItemsBeginCount; - for(size_t i = m_1stNullItemsBeginCount; i < suballoc1stCount; ++i) + for (size_t i = m_1stNullItemsBeginCount; i < suballoc1stCount; ++i) { const VmaSuballocation& suballoc = suballocations1st[i]; const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - VMA_VALIDATE(currFree == (suballoc.hAllocation == VK_NULL_HANDLE)); + VmaAllocation const alloc = (VmaAllocation)suballoc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } VMA_VALIDATE(suballoc.offset >= offset); VMA_VALIDATE(i >= m_1stNullItemsBeginCount || currFree); - if(!currFree) + if (!currFree) { - VMA_VALIDATE(suballoc.hAllocation->GetOffset() == suballoc.offset); - VMA_VALIDATE(suballoc.hAllocation->GetSize() == suballoc.size); + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == suballoc.size); + } sumUsedSize += suballoc.size; } else @@ -9286,26 +7814,33 @@ bool VmaBlockMetadata_Linear::Validate() const ++nullItem1stCount; } - offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN; + offset = suballoc.offset + suballoc.size + debugMargin; } VMA_VALIDATE(nullItem1stCount == m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount); - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) { const size_t suballoc2ndCount = suballocations2nd.size(); size_t nullItem2ndCount = 0; - for(size_t i = suballoc2ndCount; i--; ) + for (size_t i = suballoc2ndCount; i--; ) { const VmaSuballocation& suballoc = suballocations2nd[i]; const bool currFree = (suballoc.type == VMA_SUBALLOCATION_TYPE_FREE); - VMA_VALIDATE(currFree == (suballoc.hAllocation == VK_NULL_HANDLE)); + VmaAllocation const alloc = (VmaAllocation)suballoc.userData; + if (!IsVirtual()) + { + VMA_VALIDATE(currFree == (alloc == VK_NULL_HANDLE)); + } VMA_VALIDATE(suballoc.offset >= offset); - if(!currFree) + if (!currFree) { - VMA_VALIDATE(suballoc.hAllocation->GetOffset() == suballoc.offset); - VMA_VALIDATE(suballoc.hAllocation->GetSize() == suballoc.size); + if (!IsVirtual()) + { + VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1); + VMA_VALIDATE(alloc->GetSize() == suballoc.size); + } sumUsedSize += suballoc.size; } else @@ -9313,7 +7848,7 @@ bool VmaBlockMetadata_Linear::Validate() const ++nullItem2ndCount; } - offset = suballoc.offset + suballoc.size + VMA_DEBUG_MARGIN; + offset = suballoc.offset + suballoc.size + debugMargin; } VMA_VALIDATE(nullItem2ndCount == m_2ndNullItemsCount); @@ -9327,75 +7862,18 @@ bool VmaBlockMetadata_Linear::Validate() const size_t VmaBlockMetadata_Linear::GetAllocationCount() const { - return AccessSuballocations1st().size() - (m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount) + + return AccessSuballocations1st().size() - m_1stNullItemsBeginCount - m_1stNullItemsMiddleCount + AccessSuballocations2nd().size() - m_2ndNullItemsCount; } -VkDeviceSize VmaBlockMetadata_Linear::GetUnusedRangeSizeMax() const +size_t VmaBlockMetadata_Linear::GetFreeRegionsCount() const { - const VkDeviceSize size = GetSize(); - - /* - We don't consider gaps inside allocation vectors with freed allocations because - they are not suitable for reuse in linear allocator. We consider only space that - is available for new allocations. - */ - if(IsEmpty()) - { - return size; - } - - const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - - switch(m_2ndVectorMode) - { - case SECOND_VECTOR_EMPTY: - /* - Available space is after end of 1st, as well as before beginning of 1st (which - whould make it a ring buffer). - */ - { - const size_t suballocations1stCount = suballocations1st.size(); - VMA_ASSERT(suballocations1stCount > m_1stNullItemsBeginCount); - const VmaSuballocation& firstSuballoc = suballocations1st[m_1stNullItemsBeginCount]; - const VmaSuballocation& lastSuballoc = suballocations1st[suballocations1stCount - 1]; - return VMA_MAX( - firstSuballoc.offset, - size - (lastSuballoc.offset + lastSuballoc.size)); - } - break; - - case SECOND_VECTOR_RING_BUFFER: - /* - Available space is only between end of 2nd and beginning of 1st. - */ - { - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - const VmaSuballocation& lastSuballoc2nd = suballocations2nd.back(); - const VmaSuballocation& firstSuballoc1st = suballocations1st[m_1stNullItemsBeginCount]; - return firstSuballoc1st.offset - (lastSuballoc2nd.offset + lastSuballoc2nd.size); - } - break; - - case SECOND_VECTOR_DOUBLE_STACK: - /* - Available space is only between end of 1st and top of 2nd. - */ - { - const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - const VmaSuballocation& topSuballoc2nd = suballocations2nd.back(); - const VmaSuballocation& lastSuballoc1st = suballocations1st.back(); - return topSuballoc2nd.offset - (lastSuballoc1st.offset + lastSuballoc1st.size); - } - break; - - default: - VMA_ASSERT(0); - return 0; - } + // Function only used for defragmentation, which is disabled for this algorithm + VMA_ASSERT(0); + return SIZE_MAX; } -void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const +void VmaBlockMetadata_Linear::AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const { const VkDeviceSize size = GetSize(); const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); @@ -9403,52 +7881,41 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const const size_t suballoc1stCount = suballocations1st.size(); const size_t suballoc2ndCount = suballocations2nd.size(); - outInfo.blockCount = 1; - outInfo.allocationCount = (uint32_t)GetAllocationCount(); - outInfo.unusedRangeCount = 0; - outInfo.usedBytes = 0; - outInfo.allocationSizeMin = UINT64_MAX; - outInfo.allocationSizeMax = 0; - outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMax = 0; + inoutStats.statistics.blockCount++; + inoutStats.statistics.blockBytes += size; VkDeviceSize lastOffset = 0; - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) { const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; size_t nextAlloc2ndIndex = 0; - while(lastOffset < freeSpace2ndTo1stEnd) + while (lastOffset < freeSpace2ndTo1stEnd) { // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { ++nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) + if (nextAlloc2ndIndex < suballoc2ndCount) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); + VmaAddDetailedStatisticsUnusedRange(inoutStats, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. - outInfo.usedBytes += suballoc.size; - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MIN(outInfo.allocationSizeMax, suballoc.size); - + VmaAddDetailedStatisticsAllocation(inoutStats, suballoc.size); + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc2ndIndex; @@ -9457,14 +7924,11 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const else { // There is free space from lastOffset to freeSpace2ndTo1stEnd. - if(lastOffset < freeSpace2ndTo1stEnd) + if (lastOffset < freeSpace2ndTo1stEnd) { const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } + VmaAddDetailedStatisticsUnusedRange(inoutStats, unusedRangeSize); + } // End of loop. lastOffset = freeSpace2ndTo1stEnd; @@ -9475,37 +7939,32 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; const VkDeviceSize freeSpace1stTo2ndEnd = m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; - while(lastOffset < freeSpace1stTo2ndEnd) + while (lastOffset < freeSpace1stTo2ndEnd) { // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) { ++nextAlloc1stIndex; } // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) + if (nextAlloc1stIndex < suballoc1stCount) { const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); + VmaAddDetailedStatisticsUnusedRange(inoutStats, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. - outInfo.usedBytes += suballoc.size; - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MIN(outInfo.allocationSizeMax, suballoc.size); - + VmaAddDetailedStatisticsAllocation(inoutStats, suballoc.size); + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc1stIndex; @@ -9514,54 +7973,46 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const else { // There is free space from lastOffset to freeSpace1stTo2ndEnd. - if(lastOffset < freeSpace1stTo2ndEnd) + if (lastOffset < freeSpace1stTo2ndEnd) { const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } + VmaAddDetailedStatisticsUnusedRange(inoutStats, unusedRangeSize); + } // End of loop. lastOffset = freeSpace1stTo2ndEnd; } } - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) { size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) + while (lastOffset < size) { // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { --nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) + if (nextAlloc2ndIndex != SIZE_MAX) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); + VmaAddDetailedStatisticsUnusedRange(inoutStats, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. - outInfo.usedBytes += suballoc.size; - outInfo.allocationSizeMin = VMA_MIN(outInfo.allocationSizeMin, suballoc.size); - outInfo.allocationSizeMax = VMA_MIN(outInfo.allocationSizeMax, suballoc.size); - + VmaAddDetailedStatisticsAllocation(inoutStats, suballoc.size); + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; --nextAlloc2ndIndex; @@ -9570,25 +8021,20 @@ void VmaBlockMetadata_Linear::CalcAllocationStatInfo(VmaStatInfo& outInfo) const else { // There is free space from lastOffset to size. - if(lastOffset < size) + if (lastOffset < size) { const VkDeviceSize unusedRangeSize = size - lastOffset; - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusedRangeSize); - outInfo.unusedRangeSizeMax = VMA_MIN(outInfo.unusedRangeSizeMax, unusedRangeSize); - } + VmaAddDetailedStatisticsUnusedRange(inoutStats, unusedRangeSize); + } // End of loop. lastOffset = size; } } } - - outInfo.unusedBytes = size - outInfo.usedBytes; } -void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const +void VmaBlockMetadata_Linear::AddStatistics(VmaStatistics& inoutStats) const { const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); @@ -9596,42 +8042,41 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const const size_t suballoc1stCount = suballocations1st.size(); const size_t suballoc2ndCount = suballocations2nd.size(); - inoutStats.size += size; + inoutStats.blockCount++; + inoutStats.blockBytes += size; + inoutStats.allocationBytes += size - m_SumFreeSize; VkDeviceSize lastOffset = 0; - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) { const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; size_t nextAlloc2ndIndex = m_1stNullItemsBeginCount; - while(lastOffset < freeSpace2ndTo1stEnd) + while (lastOffset < freeSpace2ndTo1stEnd) { // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { ++nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) + if (nextAlloc2ndIndex < suballoc2ndCount) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. ++inoutStats.allocationCount; - + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc2ndIndex; @@ -9639,13 +8084,10 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const // We are at the end. else { - if(lastOffset < freeSpace2ndTo1stEnd) + if (lastOffset < freeSpace2ndTo1stEnd) { // There is free space from lastOffset to freeSpace2ndTo1stEnd. const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); } // End of loop. @@ -9657,34 +8099,31 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const size_t nextAlloc1stIndex = m_1stNullItemsBeginCount; const VkDeviceSize freeSpace1stTo2ndEnd = m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; - while(lastOffset < freeSpace1stTo2ndEnd) + while (lastOffset < freeSpace1stTo2ndEnd) { // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) { ++nextAlloc1stIndex; } // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) + if (nextAlloc1stIndex < suballoc1stCount) { const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. ++inoutStats.allocationCount; - + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc1stIndex; @@ -9692,13 +8131,10 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const // We are at the end. else { - if(lastOffset < freeSpace1stTo2ndEnd) + if (lastOffset < freeSpace1stTo2ndEnd) { // There is free space from lastOffset to freeSpace1stTo2ndEnd. const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); } // End of loop. @@ -9706,37 +8142,34 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const } } - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) { size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) + while (lastOffset < size) { // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { --nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) + if (nextAlloc2ndIndex != SIZE_MAX) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. ++inoutStats.allocationCount; - + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; --nextAlloc2ndIndex; @@ -9744,13 +8177,10 @@ void VmaBlockMetadata_Linear::AddPoolStats(VmaPoolStats& inoutStats) const // We are at the end. else { - if(lastOffset < size) + if (lastOffset < size) { // There is free space from lastOffset to size. const VkDeviceSize unusedRangeSize = size - lastOffset; - inoutStats.unusedSize += unusedRangeSize; - ++inoutStats.unusedRangeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, unusedRangeSize); } // End of loop. @@ -9777,36 +8207,36 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const VkDeviceSize lastOffset = 0; size_t alloc2ndCount = 0; - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) { const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; size_t nextAlloc2ndIndex = 0; - while(lastOffset < freeSpace2ndTo1stEnd) + while (lastOffset < freeSpace2ndTo1stEnd) { // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { ++nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) + if (nextAlloc2ndIndex < suballoc2ndCount) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. ++unusedRangeCount; } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. ++alloc2ndCount; usedBytes += suballoc.size; - + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc2ndIndex; @@ -9814,7 +8244,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const // We are at the end. else { - if(lastOffset < freeSpace2ndTo1stEnd) + if (lastOffset < freeSpace2ndTo1stEnd) { // There is free space from lastOffset to freeSpace2ndTo1stEnd. ++unusedRangeCount; @@ -9830,32 +8260,32 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const size_t alloc1stCount = 0; const VkDeviceSize freeSpace1stTo2ndEnd = m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? suballocations2nd.back().offset : size; - while(lastOffset < freeSpace1stTo2ndEnd) + while (lastOffset < freeSpace1stTo2ndEnd) { // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) { ++nextAlloc1stIndex; } // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) + if (nextAlloc1stIndex < suballoc1stCount) { const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. ++unusedRangeCount; } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. ++alloc1stCount; usedBytes += suballoc.size; - + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc1stIndex; @@ -9863,7 +8293,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const // We are at the end. else { - if(lastOffset < size) + if (lastOffset < size) { // There is free space from lastOffset to freeSpace1stTo2ndEnd. ++unusedRangeCount; @@ -9874,35 +8304,35 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const } } - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) { size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) + while (lastOffset < size) { // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { --nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) + if (nextAlloc2ndIndex != SIZE_MAX) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. ++unusedRangeCount; } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. ++alloc2ndCount; usedBytes += suballoc.size; - + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; --nextAlloc2ndIndex; @@ -9910,7 +8340,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const // We are at the end. else { - if(lastOffset < size) + if (lastOffset < size) { // There is free space from lastOffset to size. ++unusedRangeCount; @@ -9928,36 +8358,36 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const // SECOND PASS lastOffset = 0; - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) { const VkDeviceSize freeSpace2ndTo1stEnd = suballocations1st[m_1stNullItemsBeginCount].offset; size_t nextAlloc2ndIndex = 0; - while(lastOffset < freeSpace2ndTo1stEnd) + while (lastOffset < freeSpace2ndTo1stEnd) { // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex < suballoc2ndCount && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex < suballoc2ndCount && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { ++nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex < suballoc2ndCount) + if (nextAlloc2ndIndex < suballoc2ndCount) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. - PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation); - + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc2ndIndex; @@ -9965,7 +8395,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const // We are at the end. else { - if(lastOffset < freeSpace2ndTo1stEnd) + if (lastOffset < freeSpace2ndTo1stEnd) { // There is free space from lastOffset to freeSpace2ndTo1stEnd. const VkDeviceSize unusedRangeSize = freeSpace2ndTo1stEnd - lastOffset; @@ -9979,32 +8409,32 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const } nextAlloc1stIndex = m_1stNullItemsBeginCount; - while(lastOffset < freeSpace1stTo2ndEnd) + while (lastOffset < freeSpace1stTo2ndEnd) { // Find next non-null allocation or move nextAllocIndex to the end. - while(nextAlloc1stIndex < suballoc1stCount && - suballocations1st[nextAlloc1stIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc1stIndex < suballoc1stCount && + suballocations1st[nextAlloc1stIndex].userData == VMA_NULL) { ++nextAlloc1stIndex; } // Found non-null allocation. - if(nextAlloc1stIndex < suballoc1stCount) + if (nextAlloc1stIndex < suballoc1stCount) { const VmaSuballocation& suballoc = suballocations1st[nextAlloc1stIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. - PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation); - + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; ++nextAlloc1stIndex; @@ -10012,7 +8442,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const // We are at the end. else { - if(lastOffset < freeSpace1stTo2ndEnd) + if (lastOffset < freeSpace1stTo2ndEnd) { // There is free space from lastOffset to freeSpace1stTo2ndEnd. const VkDeviceSize unusedRangeSize = freeSpace1stTo2ndEnd - lastOffset; @@ -10024,35 +8454,35 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const } } - if(m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + if (m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) { size_t nextAlloc2ndIndex = suballocations2nd.size() - 1; - while(lastOffset < size) + while (lastOffset < size) { // Find next non-null allocation or move nextAlloc2ndIndex to the end. - while(nextAlloc2ndIndex != SIZE_MAX && - suballocations2nd[nextAlloc2ndIndex].hAllocation == VK_NULL_HANDLE) + while (nextAlloc2ndIndex != SIZE_MAX && + suballocations2nd[nextAlloc2ndIndex].userData == VMA_NULL) { --nextAlloc2ndIndex; } // Found non-null allocation. - if(nextAlloc2ndIndex != SIZE_MAX) + if (nextAlloc2ndIndex != SIZE_MAX) { const VmaSuballocation& suballoc = suballocations2nd[nextAlloc2ndIndex]; - + // 1. Process free space before this allocation. - if(lastOffset < suballoc.offset) + if (lastOffset < suballoc.offset) { // There is free space from lastOffset to suballoc.offset. const VkDeviceSize unusedRangeSize = suballoc.offset - lastOffset; PrintDetailedMap_UnusedRange(json, lastOffset, unusedRangeSize); } - + // 2. Process this allocation. // There is allocation with suballoc.offset, suballoc.size. - PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.hAllocation); - + PrintDetailedMap_Allocation(json, suballoc.offset, suballoc.size, suballoc.userData); + // 3. Prepare for next iteration. lastOffset = suballoc.offset + suballoc.size; --nextAlloc2ndIndex; @@ -10060,7 +8490,7 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const // We are at the end. else { - if(lastOffset < size) + if (lastOffset < size) { // There is free space from lastOffset to size. const VkDeviceSize unusedRangeSize = size - lastOffset; @@ -10075,17 +8505,13 @@ void VmaBlockMetadata_Linear::PrintDetailedMap(class VmaJsonWriter& json) const PrintDetailedMap_End(json); } -#endif // #if VMA_STATS_STRING_ENABLED +#endif // VMA_STATS_STRING_ENABLED bool VmaBlockMetadata_Linear::CreateAllocationRequest( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, VkDeviceSize allocSize, VkDeviceSize allocAlignment, bool upperAddress, VmaSuballocationType allocType, - bool canMakeOtherLost, uint32_t strategy, VmaAllocationRequest* pAllocationRequest) { @@ -10093,186 +8519,460 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest( VMA_ASSERT(allocType != VMA_SUBALLOCATION_TYPE_FREE); VMA_ASSERT(pAllocationRequest != VMA_NULL); VMA_HEAVY_ASSERT(Validate()); + pAllocationRequest->size = allocSize; return upperAddress ? CreateAllocationRequest_UpperAddress( - currentFrameIndex, frameInUseCount, bufferImageGranularity, - allocSize, allocAlignment, allocType, canMakeOtherLost, strategy, pAllocationRequest) : + allocSize, allocAlignment, allocType, strategy, pAllocationRequest) : CreateAllocationRequest_LowerAddress( - currentFrameIndex, frameInUseCount, bufferImageGranularity, - allocSize, allocAlignment, allocType, canMakeOtherLost, strategy, pAllocationRequest); + allocSize, allocAlignment, allocType, strategy, pAllocationRequest); } -bool VmaBlockMetadata_Linear::CreateAllocationRequest_UpperAddress( - uint32_t /*currentFrameIndex*/, - uint32_t /*frameInUseCount*/, - VkDeviceSize bufferImageGranularity, - VkDeviceSize allocSize, - VkDeviceSize allocAlignment, - VmaSuballocationType allocType, - bool /*canMakeOtherLost*/, - uint32_t /*strategy*/, - VmaAllocationRequest* pAllocationRequest) +VkResult VmaBlockMetadata_Linear::CheckCorruption(const void* pBlockData) { - const VkDeviceSize size = GetSize(); + VMA_ASSERT(!IsVirtual()); SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + for (size_t i = m_1stNullItemsBeginCount, count = suballocations1st.size(); i < count; ++i) + { + const VmaSuballocation& suballoc = suballocations1st[i]; + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + { + if (!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); + return VK_ERROR_UNKNOWN_COPY; + } + } + } + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + for (size_t i = 0, count = suballocations2nd.size(); i < count; ++i) + { + const VmaSuballocation& suballoc = suballocations2nd[i]; + if (suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + { + if (!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); + return VK_ERROR_UNKNOWN_COPY; + } + } + } + + return VK_SUCCESS; +} + +void VmaBlockMetadata_Linear::Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) +{ + const VkDeviceSize offset = (VkDeviceSize)request.allocHandle - 1; + const VmaSuballocation newSuballoc = { offset, request.size, userData, type }; - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + switch (request.type) { - VMA_ASSERT(0 && "Trying to use pool with linear algorithm as double stack, while it is already being used as ring buffer."); - return false; + case VmaAllocationRequestType::UpperAddress: + { + VMA_ASSERT(m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER && + "CRITICAL ERROR: Trying to use linear allocator as double stack while it was already used as ring buffer."); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + suballocations2nd.push_back(newSuballoc); + m_2ndVectorMode = SECOND_VECTOR_DOUBLE_STACK; } + break; + case VmaAllocationRequestType::EndOf1st: + { + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - // Try to allocate before 2nd.back(), or end of block if 2nd.empty(). - if(allocSize > size) + VMA_ASSERT(suballocations1st.empty() || + offset >= suballocations1st.back().offset + suballocations1st.back().size); + // Check if it fits before the end of the block. + VMA_ASSERT(offset + request.size <= GetSize()); + + suballocations1st.push_back(newSuballoc); + } + break; + case VmaAllocationRequestType::EndOf2nd: { - return false; + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + // New allocation at the end of 2-part ring buffer, so before first allocation from 1st vector. + VMA_ASSERT(!suballocations1st.empty() && + offset + request.size <= suballocations1st[m_1stNullItemsBeginCount].offset); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + switch (m_2ndVectorMode) + { + case SECOND_VECTOR_EMPTY: + // First allocation from second part ring buffer. + VMA_ASSERT(suballocations2nd.empty()); + m_2ndVectorMode = SECOND_VECTOR_RING_BUFFER; + break; + case SECOND_VECTOR_RING_BUFFER: + // 2-part ring buffer is already started. + VMA_ASSERT(!suballocations2nd.empty()); + break; + case SECOND_VECTOR_DOUBLE_STACK: + VMA_ASSERT(0 && "CRITICAL ERROR: Trying to use linear allocator as ring buffer while it was already used as double stack."); + break; + default: + VMA_ASSERT(0); + } + + suballocations2nd.push_back(newSuballoc); + } + break; + default: + VMA_ASSERT(0 && "CRITICAL INTERNAL ERROR."); } - VkDeviceSize resultBaseOffset = size - allocSize; - if(!suballocations2nd.empty()) + + m_SumFreeSize -= newSuballoc.size; +} + +void VmaBlockMetadata_Linear::Free(VmaAllocHandle allocHandle) +{ + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + VkDeviceSize offset = (VkDeviceSize)allocHandle - 1; + + if (!suballocations1st.empty()) { - const VmaSuballocation& lastSuballoc = suballocations2nd.back(); - resultBaseOffset = lastSuballoc.offset - allocSize; - if(allocSize > lastSuballoc.offset) + // First allocation: Mark it as next empty at the beginning. + VmaSuballocation& firstSuballoc = suballocations1st[m_1stNullItemsBeginCount]; + if (firstSuballoc.offset == offset) { - return false; + firstSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; + firstSuballoc.userData = VMA_NULL; + m_SumFreeSize += firstSuballoc.size; + ++m_1stNullItemsBeginCount; + CleanupAfterFree(); + return; } } - // Start from offset equal to end of free space. - VkDeviceSize resultOffset = resultBaseOffset; + // Last allocation in 2-part ring buffer or top of upper stack (same logic). + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER || + m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + { + VmaSuballocation& lastSuballoc = suballocations2nd.back(); + if (lastSuballoc.offset == offset) + { + m_SumFreeSize += lastSuballoc.size; + suballocations2nd.pop_back(); + CleanupAfterFree(); + return; + } + } + // Last allocation in 1st vector. + else if (m_2ndVectorMode == SECOND_VECTOR_EMPTY) + { + VmaSuballocation& lastSuballoc = suballocations1st.back(); + if (lastSuballoc.offset == offset) + { + m_SumFreeSize += lastSuballoc.size; + suballocations1st.pop_back(); + CleanupAfterFree(); + return; + } + } - // Apply VMA_DEBUG_MARGIN at the end. - if(VMA_DEBUG_MARGIN > 0) + VmaSuballocation refSuballoc; + refSuballoc.offset = offset; + // Rest of members stays uninitialized intentionally for better performance. + + // Item from the middle of 1st vector. { -#if VMA_DEBUG_MARGIN - if(resultOffset < VMA_DEBUG_MARGIN) + const SuballocationVectorType::iterator it = VmaBinaryFindSorted( + suballocations1st.begin() + m_1stNullItemsBeginCount, + suballocations1st.end(), + refSuballoc, + VmaSuballocationOffsetLess()); + if (it != suballocations1st.end()) { - return false; + it->type = VMA_SUBALLOCATION_TYPE_FREE; + it->userData = VMA_NULL; + ++m_1stNullItemsMiddleCount; + m_SumFreeSize += it->size; + CleanupAfterFree(); + return; } -#endif - resultOffset -= VMA_DEBUG_MARGIN; } - // Apply alignment. - resultOffset = VmaAlignDown(resultOffset, allocAlignment); + if (m_2ndVectorMode != SECOND_VECTOR_EMPTY) + { + // Item from the middle of 2nd vector. + const SuballocationVectorType::iterator it = m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER ? + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetLess()) : + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetGreater()); + if (it != suballocations2nd.end()) + { + it->type = VMA_SUBALLOCATION_TYPE_FREE; + it->userData = VMA_NULL; + ++m_2ndNullItemsCount; + m_SumFreeSize += it->size; + CleanupAfterFree(); + return; + } + } - // Check next suballocations from 2nd for BufferImageGranularity conflicts. - // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && !suballocations2nd.empty()) + VMA_ASSERT(0 && "Allocation to free not found in linear allocator!"); +} + +void VmaBlockMetadata_Linear::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + outInfo.offset = (VkDeviceSize)allocHandle - 1; + VmaSuballocation& suballoc = FindSuballocation(outInfo.offset); + outInfo.size = suballoc.size; + outInfo.pUserData = suballoc.userData; +} + +void* VmaBlockMetadata_Linear::GetAllocationUserData(VmaAllocHandle allocHandle) const +{ + return FindSuballocation((VkDeviceSize)allocHandle - 1).userData; +} + +VmaAllocHandle VmaBlockMetadata_Linear::GetAllocationListBegin() const +{ + // Function only used for defragmentation, which is disabled for this algorithm + VMA_ASSERT(0); + return VK_NULL_HANDLE; +} + +VmaAllocHandle VmaBlockMetadata_Linear::GetNextAllocation(VmaAllocHandle prevAlloc) const +{ + // Function only used for defragmentation, which is disabled for this algorithm + VMA_ASSERT(0); + return VK_NULL_HANDLE; +} + +VkDeviceSize VmaBlockMetadata_Linear::GetNextFreeRegionSize(VmaAllocHandle alloc) const +{ + // Function only used for defragmentation, which is disabled for this algorithm + VMA_ASSERT(0); + return 0; +} + +void VmaBlockMetadata_Linear::Clear() +{ + m_SumFreeSize = GetSize(); + m_Suballocations0.clear(); + m_Suballocations1.clear(); + // Leaving m_1stVectorIndex unchanged - it doesn't matter. + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + m_1stNullItemsBeginCount = 0; + m_1stNullItemsMiddleCount = 0; + m_2ndNullItemsCount = 0; +} + +void VmaBlockMetadata_Linear::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + VmaSuballocation& suballoc = FindSuballocation((VkDeviceSize)allocHandle - 1); + suballoc.userData = userData; +} + +void VmaBlockMetadata_Linear::DebugLogAllAllocations() const +{ + const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + for (auto it = suballocations1st.begin() + m_1stNullItemsBeginCount; it != suballocations1st.end(); ++it) + if (it->type != VMA_SUBALLOCATION_TYPE_FREE) + DebugLogAllocation(it->offset, it->size, it->userData); + + const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + for (auto it = suballocations2nd.begin(); it != suballocations2nd.end(); ++it) + if (it->type != VMA_SUBALLOCATION_TYPE_FREE) + DebugLogAllocation(it->offset, it->size, it->userData); +} + +VmaSuballocation& VmaBlockMetadata_Linear::FindSuballocation(VkDeviceSize offset) const +{ + const SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + const SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + VmaSuballocation refSuballoc; + refSuballoc.offset = offset; + // Rest of members stays uninitialized intentionally for better performance. + + // Item from the 1st vector. { - bool bufferImageGranularityConflict = false; - for(size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) + SuballocationVectorType::const_iterator it = VmaBinaryFindSorted( + suballocations1st.begin() + m_1stNullItemsBeginCount, + suballocations1st.end(), + refSuballoc, + VmaSuballocationOffsetLess()); + if (it != suballocations1st.end()) { - const VmaSuballocation& nextSuballoc = suballocations2nd[nextSuballocIndex]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) - { - if(VmaIsBufferImageGranularityConflict(nextSuballoc.type, allocType)) - { - bufferImageGranularityConflict = true; - break; - } - } - else - // Already on previous page. - break; + return const_cast<VmaSuballocation&>(*it); } - if(bufferImageGranularityConflict) + } + + if (m_2ndVectorMode != SECOND_VECTOR_EMPTY) + { + // Rest of members stays uninitialized intentionally for better performance. + SuballocationVectorType::const_iterator it = m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER ? + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetLess()) : + VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetGreater()); + if (it != suballocations2nd.end()) { - resultOffset = VmaAlignDown(resultOffset, bufferImageGranularity); + return const_cast<VmaSuballocation&>(*it); } } - // There is enough free space. - const VkDeviceSize endOf1st = !suballocations1st.empty() ? - suballocations1st.back().offset + suballocations1st.back().size : - 0; - if(endOf1st + VMA_DEBUG_MARGIN <= resultOffset) + VMA_ASSERT(0 && "Allocation not found in linear allocator!"); + return const_cast<VmaSuballocation&>(suballocations1st.back()); // Should never occur. +} + +bool VmaBlockMetadata_Linear::ShouldCompact1st() const +{ + const size_t nullItemCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; + const size_t suballocCount = AccessSuballocations1st().size(); + return suballocCount > 32 && nullItemCount * 2 >= (suballocCount - nullItemCount) * 3; +} + +void VmaBlockMetadata_Linear::CleanupAfterFree() +{ + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + + if (IsEmpty()) { - // Check previous suballocations for BufferImageGranularity conflicts. - // If conflict exists, allocation cannot be made here. - if(bufferImageGranularity > 1) + suballocations1st.clear(); + suballocations2nd.clear(); + m_1stNullItemsBeginCount = 0; + m_1stNullItemsMiddleCount = 0; + m_2ndNullItemsCount = 0; + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + } + else + { + const size_t suballoc1stCount = suballocations1st.size(); + const size_t nullItem1stCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; + VMA_ASSERT(nullItem1stCount <= suballoc1stCount); + + // Find more null items at the beginning of 1st vector. + while (m_1stNullItemsBeginCount < suballoc1stCount && + suballocations1st[m_1stNullItemsBeginCount].type == VMA_SUBALLOCATION_TYPE_FREE) + { + ++m_1stNullItemsBeginCount; + --m_1stNullItemsMiddleCount; + } + + // Find more null items at the end of 1st vector. + while (m_1stNullItemsMiddleCount > 0 && + suballocations1st.back().type == VMA_SUBALLOCATION_TYPE_FREE) + { + --m_1stNullItemsMiddleCount; + suballocations1st.pop_back(); + } + + // Find more null items at the end of 2nd vector. + while (m_2ndNullItemsCount > 0 && + suballocations2nd.back().type == VMA_SUBALLOCATION_TYPE_FREE) + { + --m_2ndNullItemsCount; + suballocations2nd.pop_back(); + } + + // Find more null items at the beginning of 2nd vector. + while (m_2ndNullItemsCount > 0 && + suballocations2nd[0].type == VMA_SUBALLOCATION_TYPE_FREE) + { + --m_2ndNullItemsCount; + VmaVectorRemove(suballocations2nd, 0); + } + + if (ShouldCompact1st()) { - for(size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) + const size_t nonNullItemCount = suballoc1stCount - nullItem1stCount; + size_t srcIndex = m_1stNullItemsBeginCount; + for (size_t dstIndex = 0; dstIndex < nonNullItemCount; ++dstIndex) { - const VmaSuballocation& prevSuballoc = suballocations1st[prevSuballocIndex]; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) + while (suballocations1st[srcIndex].type == VMA_SUBALLOCATION_TYPE_FREE) { - if(VmaIsBufferImageGranularityConflict(allocType, prevSuballoc.type)) - { - return false; - } + ++srcIndex; } - else + if (dstIndex != srcIndex) { - // Already on next page. - break; + suballocations1st[dstIndex] = suballocations1st[srcIndex]; } + ++srcIndex; } + suballocations1st.resize(nonNullItemCount); + m_1stNullItemsBeginCount = 0; + m_1stNullItemsMiddleCount = 0; } - // All tests passed: Success. - pAllocationRequest->offset = resultOffset; - pAllocationRequest->sumFreeSize = resultBaseOffset + allocSize - endOf1st; - pAllocationRequest->sumItemSize = 0; - // pAllocationRequest->item unused. - pAllocationRequest->itemsToMakeLostCount = 0; - pAllocationRequest->type = VmaAllocationRequestType::UpperAddress; - return true; + // 2nd vector became empty. + if (suballocations2nd.empty()) + { + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + } + + // 1st vector became empty. + if (suballocations1st.size() - m_1stNullItemsBeginCount == 0) + { + suballocations1st.clear(); + m_1stNullItemsBeginCount = 0; + + if (!suballocations2nd.empty() && m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + { + // Swap 1st with 2nd. Now 2nd is empty. + m_2ndVectorMode = SECOND_VECTOR_EMPTY; + m_1stNullItemsMiddleCount = m_2ndNullItemsCount; + while (m_1stNullItemsBeginCount < suballocations2nd.size() && + suballocations2nd[m_1stNullItemsBeginCount].type == VMA_SUBALLOCATION_TYPE_FREE) + { + ++m_1stNullItemsBeginCount; + --m_1stNullItemsMiddleCount; + } + m_2ndNullItemsCount = 0; + m_1stVectorIndex ^= 1; + } + } } - return false; + VMA_HEAVY_ASSERT(Validate()); } bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, - VkDeviceSize bufferImageGranularity, VkDeviceSize allocSize, VkDeviceSize allocAlignment, VmaSuballocationType allocType, - bool canMakeOtherLost, - uint32_t /*strategy*/, + uint32_t strategy, VmaAllocationRequest* pAllocationRequest) { - const VkDeviceSize size = GetSize(); + const VkDeviceSize blockSize = GetSize(); + const VkDeviceSize debugMargin = GetDebugMargin(); + const VkDeviceSize bufferImageGranularity = GetBufferImageGranularity(); SuballocationVectorType& suballocations1st = AccessSuballocations1st(); SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - if(m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + if (m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) { // Try to allocate at the end of 1st vector. VkDeviceSize resultBaseOffset = 0; - if(!suballocations1st.empty()) + if (!suballocations1st.empty()) { const VmaSuballocation& lastSuballoc = suballocations1st.back(); - resultBaseOffset = lastSuballoc.offset + lastSuballoc.size; + resultBaseOffset = lastSuballoc.offset + lastSuballoc.size + debugMargin; } // Start from offset equal to beginning of free space. VkDeviceSize resultOffset = resultBaseOffset; - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - resultOffset += VMA_DEBUG_MARGIN; - } - // Apply alignment. resultOffset = VmaAlignUp(resultOffset, allocAlignment); // Check previous suballocations for BufferImageGranularity conflicts. // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && !suballocations1st.empty()) + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations1st.empty()) { bool bufferImageGranularityConflict = false; - for(size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) + for (size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) { const VmaSuballocation& prevSuballoc = suballocations1st[prevSuballocIndex]; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) + if (VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) { bufferImageGranularityConflict = true; break; @@ -10282,28 +8982,28 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( // Already on previous page. break; } - if(bufferImageGranularityConflict) + if (bufferImageGranularityConflict) { resultOffset = VmaAlignUp(resultOffset, bufferImageGranularity); } } const VkDeviceSize freeSpaceEnd = m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK ? - suballocations2nd.back().offset : size; + suballocations2nd.back().offset : blockSize; // There is enough free space at the end after alignment. - if(resultOffset + allocSize + VMA_DEBUG_MARGIN <= freeSpaceEnd) + if (resultOffset + allocSize + debugMargin <= freeSpaceEnd) { // Check next suballocations for BufferImageGranularity conflicts. // If conflict exists, allocation cannot be made here. - if(bufferImageGranularity > 1 && m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) + if ((allocSize % bufferImageGranularity || resultOffset % bufferImageGranularity) && m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) { - for(size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) + for (size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) { const VmaSuballocation& nextSuballoc = suballocations2nd[nextSuballocIndex]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) + if (VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) + if (VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) { return false; } @@ -10317,52 +9017,43 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( } // All tests passed: Success. - pAllocationRequest->offset = resultOffset; - pAllocationRequest->sumFreeSize = freeSpaceEnd - resultBaseOffset; - pAllocationRequest->sumItemSize = 0; + pAllocationRequest->allocHandle = (VmaAllocHandle)(resultOffset + 1); // pAllocationRequest->item, customData unused. pAllocationRequest->type = VmaAllocationRequestType::EndOf1st; - pAllocationRequest->itemsToMakeLostCount = 0; return true; } } // Wrap-around to end of 2nd vector. Try to allocate there, watching for the // beginning of 1st vector as the end of free space. - if(m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) + if (m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) { VMA_ASSERT(!suballocations1st.empty()); VkDeviceSize resultBaseOffset = 0; - if(!suballocations2nd.empty()) + if (!suballocations2nd.empty()) { const VmaSuballocation& lastSuballoc = suballocations2nd.back(); - resultBaseOffset = lastSuballoc.offset + lastSuballoc.size; + resultBaseOffset = lastSuballoc.offset + lastSuballoc.size + debugMargin; } // Start from offset equal to beginning of free space. VkDeviceSize resultOffset = resultBaseOffset; - // Apply VMA_DEBUG_MARGIN at the beginning. - if(VMA_DEBUG_MARGIN > 0) - { - resultOffset += VMA_DEBUG_MARGIN; - } - // Apply alignment. resultOffset = VmaAlignUp(resultOffset, allocAlignment); // Check previous suballocations for BufferImageGranularity conflicts. // Make bigger alignment if necessary. - if(bufferImageGranularity > 1 && !suballocations2nd.empty()) + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations2nd.empty()) { bool bufferImageGranularityConflict = false; - for(size_t prevSuballocIndex = suballocations2nd.size(); prevSuballocIndex--; ) + for (size_t prevSuballocIndex = suballocations2nd.size(); prevSuballocIndex--; ) { const VmaSuballocation& prevSuballoc = suballocations2nd[prevSuballocIndex]; - if(VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) { - if(VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) + if (VmaIsBufferImageGranularityConflict(prevSuballoc.type, allocType)) { bufferImageGranularityConflict = true; break; @@ -10372,102 +9063,30 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( // Already on previous page. break; } - if(bufferImageGranularityConflict) + if (bufferImageGranularityConflict) { resultOffset = VmaAlignUp(resultOffset, bufferImageGranularity); } } - pAllocationRequest->itemsToMakeLostCount = 0; - pAllocationRequest->sumItemSize = 0; size_t index1st = m_1stNullItemsBeginCount; - if(canMakeOtherLost) - { - while(index1st < suballocations1st.size() && - resultOffset + allocSize + VMA_DEBUG_MARGIN > suballocations1st[index1st].offset) - { - // Next colliding allocation at the beginning of 1st vector found. Try to make it lost. - const VmaSuballocation& suballoc = suballocations1st[index1st]; - if(suballoc.type == VMA_SUBALLOCATION_TYPE_FREE) - { - // No problem. - } - else - { - VMA_ASSERT(suballoc.hAllocation != VK_NULL_HANDLE); - if(suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++pAllocationRequest->itemsToMakeLostCount; - pAllocationRequest->sumItemSize += suballoc.size; - } - else - { - return false; - } - } - ++index1st; - } - - // Check next suballocations for BufferImageGranularity conflicts. - // If conflict exists, we must mark more allocations lost or fail. - if(bufferImageGranularity > 1) - { - while(index1st < suballocations1st.size()) - { - const VmaSuballocation& suballoc = suballocations1st[index1st]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, suballoc.offset, bufferImageGranularity)) - { - if(suballoc.hAllocation != VK_NULL_HANDLE) - { - // Not checking actual VmaIsBufferImageGranularityConflict(allocType, suballoc.type). - if(suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->GetLastUseFrameIndex() + frameInUseCount < currentFrameIndex) - { - ++pAllocationRequest->itemsToMakeLostCount; - pAllocationRequest->sumItemSize += suballoc.size; - } - else - { - return false; - } - } - } - else - { - // Already on next page. - break; - } - ++index1st; - } - } - - // Special case: There is not enough room at the end for this allocation, even after making all from the 1st lost. - if(index1st == suballocations1st.size() && - resultOffset + allocSize + VMA_DEBUG_MARGIN > size) - { - // TODO: This is a known bug that it's not yet implemented and the allocation is failing. - VMA_DEBUG_LOG("Unsupported special case in custom pool with linear allocation algorithm used as ring buffer with allocations that can be lost."); - } - } - // There is enough free space at the end after alignment. - if((index1st == suballocations1st.size() && resultOffset + allocSize + VMA_DEBUG_MARGIN <= size) || - (index1st < suballocations1st.size() && resultOffset + allocSize + VMA_DEBUG_MARGIN <= suballocations1st[index1st].offset)) + if ((index1st == suballocations1st.size() && resultOffset + allocSize + debugMargin <= blockSize) || + (index1st < suballocations1st.size() && resultOffset + allocSize + debugMargin <= suballocations1st[index1st].offset)) { // Check next suballocations for BufferImageGranularity conflicts. // If conflict exists, allocation cannot be made here. - if(bufferImageGranularity > 1) + if (allocSize % bufferImageGranularity || resultOffset % bufferImageGranularity) { - for(size_t nextSuballocIndex = index1st; + for (size_t nextSuballocIndex = index1st; nextSuballocIndex < suballocations1st.size(); nextSuballocIndex++) { const VmaSuballocation& nextSuballoc = suballocations1st[nextSuballocIndex]; - if(VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) + if (VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) { - if(VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) + if (VmaIsBufferImageGranularityConflict(allocType, nextSuballoc.type)) { return false; } @@ -10481,11 +9100,7 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( } // All tests passed: Success. - pAllocationRequest->offset = resultOffset; - pAllocationRequest->sumFreeSize = - (index1st < suballocations1st.size() ? suballocations1st[index1st].offset : size) - - resultBaseOffset - - pAllocationRequest->sumItemSize; + pAllocationRequest->allocHandle = (VmaAllocHandle)(resultOffset + 1); pAllocationRequest->type = VmaAllocationRequestType::EndOf2nd; // pAllocationRequest->item, customData unused. return true; @@ -10495,438 +9110,278 @@ bool VmaBlockMetadata_Linear::CreateAllocationRequest_LowerAddress( return false; } -bool VmaBlockMetadata_Linear::MakeRequestedAllocationsLost( - uint32_t currentFrameIndex, - uint32_t frameInUseCount, +bool VmaBlockMetadata_Linear::CreateAllocationRequest_UpperAddress( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + uint32_t strategy, VmaAllocationRequest* pAllocationRequest) { - if(pAllocationRequest->itemsToMakeLostCount == 0) - { - return true; - } + const VkDeviceSize blockSize = GetSize(); + const VkDeviceSize bufferImageGranularity = GetBufferImageGranularity(); + SuballocationVectorType& suballocations1st = AccessSuballocations1st(); + SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - VMA_ASSERT(m_2ndVectorMode == SECOND_VECTOR_EMPTY || m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER); - - // We always start from 1st. - SuballocationVectorType* suballocations = &AccessSuballocations1st(); - size_t index = m_1stNullItemsBeginCount; - size_t madeLostCount = 0; - while(madeLostCount < pAllocationRequest->itemsToMakeLostCount) + if (m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) { - if(index == suballocations->size()) - { - index = 0; - // If we get to the end of 1st, we wrap around to beginning of 2nd of 1st. - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - suballocations = &AccessSuballocations2nd(); - } - // else: m_2ndVectorMode == SECOND_VECTOR_EMPTY: - // suballocations continues pointing at AccessSuballocations1st(). - VMA_ASSERT(!suballocations->empty()); - } - VmaSuballocation& suballoc = (*suballocations)[index]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) - { - VMA_ASSERT(suballoc.hAllocation != VK_NULL_HANDLE); - VMA_ASSERT(suballoc.hAllocation->CanBecomeLost()); - if(suballoc.hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - m_SumFreeSize += suballoc.size; - if(suballocations == &AccessSuballocations1st()) - { - ++m_1stNullItemsMiddleCount; - } - else - { - ++m_2ndNullItemsCount; - } - ++madeLostCount; - } - else - { - return false; - } - } - ++index; + VMA_ASSERT(0 && "Trying to use pool with linear algorithm as double stack, while it is already being used as ring buffer."); + return false; } - CleanupAfterFree(); - //VMA_HEAVY_ASSERT(Validate()); // Already called by ClanupAfterFree(). - - return true; -} - -uint32_t VmaBlockMetadata_Linear::MakeAllocationsLost(uint32_t currentFrameIndex, uint32_t frameInUseCount) -{ - uint32_t lostAllocationCount = 0; - - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - for(size_t i = m_1stNullItemsBeginCount, count = suballocations1st.size(); i < count; ++i) + // Try to allocate before 2nd.back(), or end of block if 2nd.empty(). + if (allocSize > blockSize) { - VmaSuballocation& suballoc = suballocations1st[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE && - suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) - { - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - ++m_1stNullItemsMiddleCount; - m_SumFreeSize += suballoc.size; - ++lostAllocationCount; - } + return false; } - - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - for(size_t i = 0, count = suballocations2nd.size(); i < count; ++i) + VkDeviceSize resultBaseOffset = blockSize - allocSize; + if (!suballocations2nd.empty()) { - VmaSuballocation& suballoc = suballocations2nd[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE && - suballoc.hAllocation->CanBecomeLost() && - suballoc.hAllocation->MakeLost(currentFrameIndex, frameInUseCount)) + const VmaSuballocation& lastSuballoc = suballocations2nd.back(); + resultBaseOffset = lastSuballoc.offset - allocSize; + if (allocSize > lastSuballoc.offset) { - suballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - suballoc.hAllocation = VK_NULL_HANDLE; - ++m_2ndNullItemsCount; - m_SumFreeSize += suballoc.size; - ++lostAllocationCount; + return false; } } - if(lostAllocationCount) - { - CleanupAfterFree(); - } + // Start from offset equal to end of free space. + VkDeviceSize resultOffset = resultBaseOffset; - return lostAllocationCount; -} + const VkDeviceSize debugMargin = GetDebugMargin(); -VkResult VmaBlockMetadata_Linear::CheckCorruption(const void* pBlockData) -{ - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - for(size_t i = m_1stNullItemsBeginCount, count = suballocations1st.size(); i < count; ++i) + // Apply debugMargin at the end. + if (debugMargin > 0) { - const VmaSuballocation& suballoc = suballocations1st[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + if (resultOffset < debugMargin) { - if(!VmaValidateMagicValue(pBlockData, suballoc.offset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if(!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } + return false; } + resultOffset -= debugMargin; } - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - for(size_t i = 0, count = suballocations2nd.size(); i < count; ++i) + // Apply alignment. + resultOffset = VmaAlignDown(resultOffset, allocAlignment); + + // Check next suballocations from 2nd for BufferImageGranularity conflicts. + // Make bigger alignment if necessary. + if (bufferImageGranularity > 1 && bufferImageGranularity != allocAlignment && !suballocations2nd.empty()) { - const VmaSuballocation& suballoc = suballocations2nd[i]; - if(suballoc.type != VMA_SUBALLOCATION_TYPE_FREE) + bool bufferImageGranularityConflict = false; + for (size_t nextSuballocIndex = suballocations2nd.size(); nextSuballocIndex--; ) { - if(!VmaValidateMagicValue(pBlockData, suballoc.offset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; - } - if(!VmaValidateMagicValue(pBlockData, suballoc.offset + suballoc.size)) + const VmaSuballocation& nextSuballoc = suballocations2nd[nextSuballocIndex]; + if (VmaBlocksOnSamePage(resultOffset, allocSize, nextSuballoc.offset, bufferImageGranularity)) { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); - return VK_ERROR_VALIDATION_FAILED_EXT; + if (VmaIsBufferImageGranularityConflict(nextSuballoc.type, allocType)) + { + bufferImageGranularityConflict = true; + break; + } } + else + // Already on previous page. + break; } - } - - return VK_SUCCESS; -} - -void VmaBlockMetadata_Linear::Alloc( - const VmaAllocationRequest& request, - VmaSuballocationType type, - VkDeviceSize allocSize, - VmaAllocation hAllocation) -{ - const VmaSuballocation newSuballoc = { request.offset, allocSize, hAllocation, type }; - - switch(request.type) - { - case VmaAllocationRequestType::UpperAddress: + if (bufferImageGranularityConflict) { - VMA_ASSERT(m_2ndVectorMode != SECOND_VECTOR_RING_BUFFER && - "CRITICAL ERROR: Trying to use linear allocator as double stack while it was already used as ring buffer."); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - suballocations2nd.push_back(newSuballoc); - m_2ndVectorMode = SECOND_VECTOR_DOUBLE_STACK; + resultOffset = VmaAlignDown(resultOffset, bufferImageGranularity); } - break; - case VmaAllocationRequestType::EndOf1st: - { - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - - VMA_ASSERT(suballocations1st.empty() || - request.offset >= suballocations1st.back().offset + suballocations1st.back().size); - // Check if it fits before the end of the block. - VMA_ASSERT(request.offset + allocSize <= GetSize()); + } - suballocations1st.push_back(newSuballoc); - } - break; - case VmaAllocationRequestType::EndOf2nd: + // There is enough free space. + const VkDeviceSize endOf1st = !suballocations1st.empty() ? + suballocations1st.back().offset + suballocations1st.back().size : + 0; + if (endOf1st + debugMargin <= resultOffset) + { + // Check previous suballocations for BufferImageGranularity conflicts. + // If conflict exists, allocation cannot be made here. + if (bufferImageGranularity > 1) { - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - // New allocation at the end of 2-part ring buffer, so before first allocation from 1st vector. - VMA_ASSERT(!suballocations1st.empty() && - request.offset + allocSize <= suballocations1st[m_1stNullItemsBeginCount].offset); - (void) suballocations1st; - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); - - switch(m_2ndVectorMode) + for (size_t prevSuballocIndex = suballocations1st.size(); prevSuballocIndex--; ) { - case SECOND_VECTOR_EMPTY: - // First allocation from second part ring buffer. - VMA_ASSERT(suballocations2nd.empty()); - m_2ndVectorMode = SECOND_VECTOR_RING_BUFFER; - break; - case SECOND_VECTOR_RING_BUFFER: - // 2-part ring buffer is already started. - VMA_ASSERT(!suballocations2nd.empty()); - break; - case SECOND_VECTOR_DOUBLE_STACK: - VMA_ASSERT(0 && "CRITICAL ERROR: Trying to use linear allocator as ring buffer while it was already used as double stack."); - break; - default: - VMA_ASSERT(0); + const VmaSuballocation& prevSuballoc = suballocations1st[prevSuballocIndex]; + if (VmaBlocksOnSamePage(prevSuballoc.offset, prevSuballoc.size, resultOffset, bufferImageGranularity)) + { + if (VmaIsBufferImageGranularityConflict(allocType, prevSuballoc.type)) + { + return false; + } + } + else + { + // Already on next page. + break; + } } - - suballocations2nd.push_back(newSuballoc); } - break; - default: - VMA_ASSERT(0 && "CRITICAL INTERNAL ERROR."); + + // All tests passed: Success. + pAllocationRequest->allocHandle = (VmaAllocHandle)(resultOffset + 1); + // pAllocationRequest->item unused. + pAllocationRequest->type = VmaAllocationRequestType::UpperAddress; + return true; } - m_SumFreeSize -= newSuballoc.size; + return false; } +#endif // _VMA_BLOCK_METADATA_LINEAR_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_LINEAR -void VmaBlockMetadata_Linear::Free(const VmaAllocation allocation) -{ - FreeAtOffset(allocation->GetOffset()); -} +#if 0 +#ifndef _VMA_BLOCK_METADATA_BUDDY +/* +- GetSize() is the original size of allocated memory block. +- m_UsableSize is this size aligned down to a power of two. + All allocations and calculations happen relative to m_UsableSize. +- GetUnusableSize() is the difference between them. + It is reported as separate, unused range, not available for allocations. -void VmaBlockMetadata_Linear::FreeAtOffset(VkDeviceSize offset) +Node at level 0 has size = m_UsableSize. +Each next level contains nodes with size 2 times smaller than current level. +m_LevelCount is the maximum number of levels to use in the current object. +*/ +class VmaBlockMetadata_Buddy : public VmaBlockMetadata { - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + VMA_CLASS_NO_COPY(VmaBlockMetadata_Buddy) +public: + VmaBlockMetadata_Buddy(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_Buddy(); - if(!suballocations1st.empty()) - { - // First allocation: Mark it as next empty at the beginning. - VmaSuballocation& firstSuballoc = suballocations1st[m_1stNullItemsBeginCount]; - if(firstSuballoc.offset == offset) - { - firstSuballoc.type = VMA_SUBALLOCATION_TYPE_FREE; - firstSuballoc.hAllocation = VK_NULL_HANDLE; - m_SumFreeSize += firstSuballoc.size; - ++m_1stNullItemsBeginCount; - CleanupAfterFree(); - return; - } - } + size_t GetAllocationCount() const override { return m_AllocationCount; } + VkDeviceSize GetSumFreeSize() const override { return m_SumFreeSize + GetUnusableSize(); } + bool IsEmpty() const override { return m_Root->type == Node::TYPE_FREE; } + VkResult CheckCorruption(const void* pBlockData) override { return VK_ERROR_FEATURE_NOT_PRESENT; } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return (VkDeviceSize)allocHandle - 1; }; + void DebugLogAllAllocations() const override { DebugLogAllAllocationNode(m_Root, 0); } - // Last allocation in 2-part ring buffer or top of upper stack (same logic). - if(m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER || - m_2ndVectorMode == SECOND_VECTOR_DOUBLE_STACK) - { - VmaSuballocation& lastSuballoc = suballocations2nd.back(); - if(lastSuballoc.offset == offset) - { - m_SumFreeSize += lastSuballoc.size; - suballocations2nd.pop_back(); - CleanupAfterFree(); - return; - } - } - // Last allocation in 1st vector. - else if(m_2ndVectorMode == SECOND_VECTOR_EMPTY) - { - VmaSuballocation& lastSuballoc = suballocations1st.back(); - if(lastSuballoc.offset == offset) - { - m_SumFreeSize += lastSuballoc.size; - suballocations1st.pop_back(); - CleanupAfterFree(); - return; - } - } + void Init(VkDeviceSize size) override; + bool Validate() const override; - // Item from the middle of 1st vector. - { - VmaSuballocation refSuballoc; - refSuballoc.offset = offset; - // Rest of members stays uninitialized intentionally for better performance. - SuballocationVectorType::iterator it = VmaBinaryFindSorted( - suballocations1st.begin() + m_1stNullItemsBeginCount, - suballocations1st.end(), - refSuballoc, - VmaSuballocationOffsetLess()); - if(it != suballocations1st.end()) - { - it->type = VMA_SUBALLOCATION_TYPE_FREE; - it->hAllocation = VK_NULL_HANDLE; - ++m_1stNullItemsMiddleCount; - m_SumFreeSize += it->size; - CleanupAfterFree(); - return; - } - } + void AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const override; + void AddStatistics(VmaStatistics& inoutStats) const override; - if(m_2ndVectorMode != SECOND_VECTOR_EMPTY) - { - // Item from the middle of 2nd vector. - VmaSuballocation refSuballoc; - refSuballoc.offset = offset; - // Rest of members stays uninitialized intentionally for better performance. - SuballocationVectorType::iterator it = m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER ? - VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetLess()) : - VmaBinaryFindSorted(suballocations2nd.begin(), suballocations2nd.end(), refSuballoc, VmaSuballocationOffsetGreater()); - if(it != suballocations2nd.end()) - { - it->type = VMA_SUBALLOCATION_TYPE_FREE; - it->hAllocation = VK_NULL_HANDLE; - ++m_2ndNullItemsCount; - m_SumFreeSize += it->size; - CleanupAfterFree(); - return; - } - } +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json, uint32_t mapRefCount) const override; +#endif - VMA_ASSERT(0 && "Allocation to free not found in linear allocator!"); -} + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; -bool VmaBlockMetadata_Linear::ShouldCompact1st() const -{ - const size_t nullItemCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; - const size_t suballocCount = AccessSuballocations1st().size(); - return suballocCount > 32 && nullItemCount * 2 >= (suballocCount - nullItemCount) * 3; -} + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; -void VmaBlockMetadata_Linear::CleanupAfterFree() -{ - SuballocationVectorType& suballocations1st = AccessSuballocations1st(); - SuballocationVectorType& suballocations2nd = AccessSuballocations2nd(); + void Free(VmaAllocHandle allocHandle) override; + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void* GetAllocationUserData(VmaAllocHandle allocHandle) const override; + VmaAllocHandle GetAllocationListBegin() const override; + VmaAllocHandle GetNextAllocation(VmaAllocHandle prevAlloc) const override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; - if(IsEmpty()) +private: + static const size_t MAX_LEVELS = 48; + + struct ValidationContext { - suballocations1st.clear(); - suballocations2nd.clear(); - m_1stNullItemsBeginCount = 0; - m_1stNullItemsMiddleCount = 0; - m_2ndNullItemsCount = 0; - m_2ndVectorMode = SECOND_VECTOR_EMPTY; - } - else + size_t calculatedAllocationCount = 0; + size_t calculatedFreeCount = 0; + VkDeviceSize calculatedSumFreeSize = 0; + }; + struct Node { - const size_t suballoc1stCount = suballocations1st.size(); - const size_t nullItem1stCount = m_1stNullItemsBeginCount + m_1stNullItemsMiddleCount; - VMA_ASSERT(nullItem1stCount <= suballoc1stCount); - - // Find more null items at the beginning of 1st vector. - while(m_1stNullItemsBeginCount < suballoc1stCount && - suballocations1st[m_1stNullItemsBeginCount].hAllocation == VK_NULL_HANDLE) - { - ++m_1stNullItemsBeginCount; - --m_1stNullItemsMiddleCount; - } - - // Find more null items at the end of 1st vector. - while(m_1stNullItemsMiddleCount > 0 && - suballocations1st.back().hAllocation == VK_NULL_HANDLE) + VkDeviceSize offset; + enum TYPE { - --m_1stNullItemsMiddleCount; - suballocations1st.pop_back(); - } + TYPE_FREE, + TYPE_ALLOCATION, + TYPE_SPLIT, + TYPE_COUNT + } type; + Node* parent; + Node* buddy; - // Find more null items at the end of 2nd vector. - while(m_2ndNullItemsCount > 0 && - suballocations2nd.back().hAllocation == VK_NULL_HANDLE) + union { - --m_2ndNullItemsCount; - suballocations2nd.pop_back(); - } + struct + { + Node* prev; + Node* next; + } free; + struct + { + void* userData; + } allocation; + struct + { + Node* leftChild; + } split; + }; + }; - // Find more null items at the beginning of 2nd vector. - while(m_2ndNullItemsCount > 0 && - suballocations2nd[0].hAllocation == VK_NULL_HANDLE) - { - --m_2ndNullItemsCount; - VmaVectorRemove(suballocations2nd, 0); - } + // Size of the memory block aligned down to a power of two. + VkDeviceSize m_UsableSize; + uint32_t m_LevelCount; + VmaPoolAllocator<Node> m_NodeAllocator; + Node* m_Root; + struct + { + Node* front; + Node* back; + } m_FreeList[MAX_LEVELS]; - if(ShouldCompact1st()) - { - const size_t nonNullItemCount = suballoc1stCount - nullItem1stCount; - size_t srcIndex = m_1stNullItemsBeginCount; - for(size_t dstIndex = 0; dstIndex < nonNullItemCount; ++dstIndex) - { - while(suballocations1st[srcIndex].hAllocation == VK_NULL_HANDLE) - { - ++srcIndex; - } - if(dstIndex != srcIndex) - { - suballocations1st[dstIndex] = suballocations1st[srcIndex]; - } - ++srcIndex; - } - suballocations1st.resize(nonNullItemCount); - m_1stNullItemsBeginCount = 0; - m_1stNullItemsMiddleCount = 0; - } + // Number of nodes in the tree with type == TYPE_ALLOCATION. + size_t m_AllocationCount; + // Number of nodes in the tree with type == TYPE_FREE. + size_t m_FreeCount; + // Doesn't include space wasted due to internal fragmentation - allocation sizes are just aligned up to node sizes. + // Doesn't include unusable size. + VkDeviceSize m_SumFreeSize; - // 2nd vector became empty. - if(suballocations2nd.empty()) - { - m_2ndVectorMode = SECOND_VECTOR_EMPTY; - } + VkDeviceSize GetUnusableSize() const { return GetSize() - m_UsableSize; } + VkDeviceSize LevelToNodeSize(uint32_t level) const { return m_UsableSize >> level; } - // 1st vector became empty. - if(suballocations1st.size() - m_1stNullItemsBeginCount == 0) + VkDeviceSize AlignAllocationSize(VkDeviceSize size) const + { + if (!IsVirtual()) { - suballocations1st.clear(); - m_1stNullItemsBeginCount = 0; - - if(!suballocations2nd.empty() && m_2ndVectorMode == SECOND_VECTOR_RING_BUFFER) - { - // Swap 1st with 2nd. Now 2nd is empty. - m_2ndVectorMode = SECOND_VECTOR_EMPTY; - m_1stNullItemsMiddleCount = m_2ndNullItemsCount; - while(m_1stNullItemsBeginCount < suballocations2nd.size() && - suballocations2nd[m_1stNullItemsBeginCount].hAllocation == VK_NULL_HANDLE) - { - ++m_1stNullItemsBeginCount; - --m_1stNullItemsMiddleCount; - } - m_2ndNullItemsCount = 0; - m_1stVectorIndex ^= 1; - } + size = VmaAlignUp(size, (VkDeviceSize)16); } + return VmaNextPow2(size); } + Node* FindAllocationNode(VkDeviceSize offset, uint32_t& outLevel) const; + void DeleteNodeChildren(Node* node); + bool ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const; + uint32_t AllocSizeToLevel(VkDeviceSize allocSize) const; + void AddNodeToDetailedStatistics(VmaDetailedStatistics& inoutStats, const Node* node, VkDeviceSize levelNodeSize) const; + // Adds node to the front of FreeList at given level. + // node->type must be FREE. + // node->free.prev, next can be undefined. + void AddToFreeListFront(uint32_t level, Node* node); + // Removes node from FreeList at given level. + // node->type must be FREE. + // node->free.prev, next stay untouched. + void RemoveFromFreeList(uint32_t level, Node* node); + void DebugLogAllAllocationNode(Node* node, uint32_t level) const; - VMA_HEAVY_ASSERT(Validate()); -} - - -//////////////////////////////////////////////////////////////////////////////// -// class VmaBlockMetadata_Buddy +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMapNode(class VmaJsonWriter& json, const Node* node, VkDeviceSize levelNodeSize) const; +#endif +}; -VmaBlockMetadata_Buddy::VmaBlockMetadata_Buddy(VmaAllocator hAllocator) : - VmaBlockMetadata(hAllocator), +#ifndef _VMA_BLOCK_METADATA_BUDDY_FUNCTIONS +VmaBlockMetadata_Buddy::VmaBlockMetadata_Buddy(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), + m_NodeAllocator(pAllocationCallbacks, 32), // firstBlockCapacity m_Root(VMA_NULL), m_AllocationCount(0), m_FreeCount(1), @@ -10937,7 +9392,8 @@ VmaBlockMetadata_Buddy::VmaBlockMetadata_Buddy(VmaAllocator hAllocator) : VmaBlockMetadata_Buddy::~VmaBlockMetadata_Buddy() { - DeleteNode(m_Root); + DeleteNodeChildren(m_Root); + m_NodeAllocator.Free(m_Root); } void VmaBlockMetadata_Buddy::Init(VkDeviceSize size) @@ -10948,14 +9404,15 @@ void VmaBlockMetadata_Buddy::Init(VkDeviceSize size) m_SumFreeSize = m_UsableSize; // Calculate m_LevelCount. + const VkDeviceSize minNodeSize = IsVirtual() ? 1 : 16; m_LevelCount = 1; - while(m_LevelCount < MAX_LEVELS && - LevelToNodeSize(m_LevelCount) >= MIN_NODE_SIZE) + while (m_LevelCount < MAX_LEVELS && + LevelToNodeSize(m_LevelCount) >= minNodeSize) { ++m_LevelCount; } - Node* rootNode = vma_new(GetAllocationCallbacks(), Node)(); + Node* rootNode = m_NodeAllocator.Alloc(); rootNode->offset = 0; rootNode->type = Node::TYPE_FREE; rootNode->parent = VMA_NULL; @@ -10969,7 +9426,7 @@ bool VmaBlockMetadata_Buddy::Validate() const { // Validate tree. ValidationContext ctx; - if(!ValidateNode(ctx, VMA_NULL, m_Root, 0, LevelToNodeSize(0))) + if (!ValidateNode(ctx, VMA_NULL, m_Root, 0, LevelToNodeSize(0))) { VMA_VALIDATE(false && "ValidateNode failed."); } @@ -10977,18 +9434,18 @@ bool VmaBlockMetadata_Buddy::Validate() const VMA_VALIDATE(m_SumFreeSize == ctx.calculatedSumFreeSize); // Validate free node lists. - for(uint32_t level = 0; level < m_LevelCount; ++level) + for (uint32_t level = 0; level < m_LevelCount; ++level) { VMA_VALIDATE(m_FreeList[level].front == VMA_NULL || m_FreeList[level].front->free.prev == VMA_NULL); - for(Node* node = m_FreeList[level].front; + for (Node* node = m_FreeList[level].front; node != VMA_NULL; node = node->free.next) { VMA_VALIDATE(node->type == Node::TYPE_FREE); - - if(node->free.next == VMA_NULL) + + if (node->free.next == VMA_NULL) { VMA_VALIDATE(m_FreeList[level].back == node); } @@ -11000,7 +9457,7 @@ bool VmaBlockMetadata_Buddy::Validate() const } // Validate that free lists ar higher levels are empty. - for(uint32_t level = m_LevelCount; level < MAX_LEVELS; ++level) + for (uint32_t level = m_LevelCount; level < MAX_LEVELS; ++level) { VMA_VALIDATE(m_FreeList[level].front == VMA_NULL && m_FreeList[level].back == VMA_NULL); } @@ -11008,77 +9465,44 @@ bool VmaBlockMetadata_Buddy::Validate() const return true; } -VkDeviceSize VmaBlockMetadata_Buddy::GetUnusedRangeSizeMax() const -{ - for(uint32_t level = 0; level < m_LevelCount; ++level) - { - if(m_FreeList[level].front != VMA_NULL) - { - return LevelToNodeSize(level); - } - } - return 0; -} - -void VmaBlockMetadata_Buddy::CalcAllocationStatInfo(VmaStatInfo& outInfo) const +void VmaBlockMetadata_Buddy::AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const { - const VkDeviceSize unusableSize = GetUnusableSize(); - - outInfo.blockCount = 1; - - outInfo.allocationCount = outInfo.unusedRangeCount = 0; - outInfo.usedBytes = outInfo.unusedBytes = 0; + inoutStats.statistics.blockCount++; + inoutStats.statistics.blockBytes += GetSize(); - outInfo.allocationSizeMax = outInfo.unusedRangeSizeMax = 0; - outInfo.allocationSizeMin = outInfo.unusedRangeSizeMin = UINT64_MAX; - outInfo.allocationSizeAvg = outInfo.unusedRangeSizeAvg = 0; // Unused. + AddNodeToDetailedStatistics(inoutStats, m_Root, LevelToNodeSize(0)); - CalcAllocationStatInfoNode(outInfo, m_Root, LevelToNodeSize(0)); - - if(unusableSize > 0) - { - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusableSize; - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, unusableSize); - outInfo.unusedRangeSizeMin = VMA_MIN(outInfo.unusedRangeSizeMin, unusableSize); - } + const VkDeviceSize unusableSize = GetUnusableSize(); + if (unusableSize > 0) + VmaAddDetailedStatisticsUnusedRange(inoutStats, unusableSize); } -void VmaBlockMetadata_Buddy::AddPoolStats(VmaPoolStats& inoutStats) const +void VmaBlockMetadata_Buddy::AddStatistics(VmaStatistics& inoutStats) const { - const VkDeviceSize unusableSize = GetUnusableSize(); - - inoutStats.size += GetSize(); - inoutStats.unusedSize += m_SumFreeSize + unusableSize; - inoutStats.allocationCount += m_AllocationCount; - inoutStats.unusedRangeCount += m_FreeCount; - inoutStats.unusedRangeSizeMax = VMA_MAX(inoutStats.unusedRangeSizeMax, GetUnusedRangeSizeMax()); - - if(unusableSize > 0) - { - ++inoutStats.unusedRangeCount; - // Not updating inoutStats.unusedRangeSizeMax with unusableSize because this space is not available for allocations. - } + inoutStats.blockCount++; + inoutStats.allocationCount += (uint32_t)m_AllocationCount; + inoutStats.blockBytes += GetSize(); + inoutStats.allocationBytes += GetSize() - m_SumFreeSize; } #if VMA_STATS_STRING_ENABLED - -void VmaBlockMetadata_Buddy::PrintDetailedMap(class VmaJsonWriter& json) const +void VmaBlockMetadata_Buddy::PrintDetailedMap(class VmaJsonWriter& json, uint32_t mapRefCount) const { - // TODO optimize - VmaStatInfo stat; - CalcAllocationStatInfo(stat); + VmaDetailedStatistics stats; + VmaClearDetailedStatistics(stats); + AddDetailedStatistics(stats); PrintDetailedMap_Begin( json, - stat.unusedBytes, - stat.allocationCount, - stat.unusedRangeCount); + stats.statistics.blockBytes - stats.statistics.allocationBytes, + stats.statistics.allocationCount, + stats.unusedRangeCount, + mapRefCount); PrintDetailedMapNode(json, m_Root, LevelToNodeSize(0)); const VkDeviceSize unusableSize = GetUnusableSize(); - if(unusableSize > 0) + if (unusableSize > 0) { PrintDetailedMap_UnusedRange(json, m_UsableSize, // offset @@ -11087,53 +9511,47 @@ void VmaBlockMetadata_Buddy::PrintDetailedMap(class VmaJsonWriter& json) const PrintDetailedMap_End(json); } - -#endif // #if VMA_STATS_STRING_ENABLED +#endif // VMA_STATS_STRING_ENABLED bool VmaBlockMetadata_Buddy::CreateAllocationRequest( - uint32_t /*currentFrameIndex*/, - uint32_t /*frameInUseCount*/, - VkDeviceSize bufferImageGranularity, VkDeviceSize allocSize, VkDeviceSize allocAlignment, bool upperAddress, VmaSuballocationType allocType, - bool /*canMakeOtherLost*/, - uint32_t /*strategy*/, + uint32_t strategy, VmaAllocationRequest* pAllocationRequest) { VMA_ASSERT(!upperAddress && "VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT can be used only with linear algorithm."); - (void) upperAddress; + + allocSize = AlignAllocationSize(allocSize); // Simple way to respect bufferImageGranularity. May be optimized some day. // Whenever it might be an OPTIMAL image... - if(allocType == VMA_SUBALLOCATION_TYPE_UNKNOWN || + if (allocType == VMA_SUBALLOCATION_TYPE_UNKNOWN || allocType == VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN || allocType == VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL) { - allocAlignment = VMA_MAX(allocAlignment, bufferImageGranularity); - allocSize = VMA_MAX(allocSize, bufferImageGranularity); + allocAlignment = VMA_MAX(allocAlignment, GetBufferImageGranularity()); + allocSize = VmaAlignUp(allocSize, GetBufferImageGranularity()); } - if(allocSize > m_UsableSize) + if (allocSize > m_UsableSize) { return false; } const uint32_t targetLevel = AllocSizeToLevel(allocSize); - for(uint32_t level = targetLevel + 1; level--; ) + for (uint32_t level = targetLevel; level--; ) { - for(Node* freeNode = m_FreeList[level].front; + for (Node* freeNode = m_FreeList[level].front; freeNode != VMA_NULL; freeNode = freeNode->free.next) { - if(freeNode->offset % allocAlignment == 0) + if (freeNode->offset % allocAlignment == 0) { pAllocationRequest->type = VmaAllocationRequestType::Normal; - pAllocationRequest->offset = freeNode->offset; - pAllocationRequest->sumFreeSize = LevelToNodeSize(level); - pAllocationRequest->sumItemSize = 0; - pAllocationRequest->itemsToMakeLostCount = 0; + pAllocationRequest->allocHandle = (VmaAllocHandle)(freeNode->offset + 1); + pAllocationRequest->size = allocSize; pAllocationRequest->customData = (void*)(uintptr_t)level; return true; } @@ -11143,58 +9561,37 @@ bool VmaBlockMetadata_Buddy::CreateAllocationRequest( return false; } -bool VmaBlockMetadata_Buddy::MakeRequestedAllocationsLost( - uint32_t /*currentFrameIndex*/, - uint32_t /*frameInUseCount*/, - VmaAllocationRequest* pAllocationRequest) -{ - /* - Lost allocations are not supported in buddy allocator at the moment. - Support might be added in the future. - */ - return pAllocationRequest->itemsToMakeLostCount == 0; -} - -uint32_t VmaBlockMetadata_Buddy::MakeAllocationsLost(uint32_t /*currentFrameIndex*/, uint32_t /*frameInUseCount*/) -{ - /* - Lost allocations are not supported in buddy allocator at the moment. - Support might be added in the future. - */ - return 0; -} - void VmaBlockMetadata_Buddy::Alloc( const VmaAllocationRequest& request, - VmaSuballocationType /*type*/, - VkDeviceSize allocSize, - VmaAllocation hAllocation) + VmaSuballocationType type, + void* userData) { VMA_ASSERT(request.type == VmaAllocationRequestType::Normal); - const uint32_t targetLevel = AllocSizeToLevel(allocSize); + const uint32_t targetLevel = AllocSizeToLevel(request.size); uint32_t currLevel = (uint32_t)(uintptr_t)request.customData; - + Node* currNode = m_FreeList[currLevel].front; VMA_ASSERT(currNode != VMA_NULL && currNode->type == Node::TYPE_FREE); - while(currNode->offset != request.offset) + const VkDeviceSize offset = (VkDeviceSize)request.allocHandle - 1; + while (currNode->offset != offset) { currNode = currNode->free.next; VMA_ASSERT(currNode != VMA_NULL && currNode->type == Node::TYPE_FREE); } - + // Go down, splitting free nodes. - while(currLevel < targetLevel) + while (currLevel < targetLevel) { // currNode is already first free node at currLevel. // Remove it from list of free nodes at this currLevel. RemoveFromFreeList(currLevel, currNode); - + const uint32_t childrenLevel = currLevel + 1; // Create two free sub-nodes. - Node* leftChild = vma_new(GetAllocationCallbacks(), Node)(); - Node* rightChild = vma_new(GetAllocationCallbacks(), Node)(); + Node* leftChild = m_NodeAllocator.Alloc(); + Node* rightChild = m_NodeAllocator.Alloc(); leftChild->offset = currNode->offset; leftChild->type = Node::TYPE_FREE; @@ -11215,13 +9612,12 @@ void VmaBlockMetadata_Buddy::Alloc( AddToFreeListFront(childrenLevel, leftChild); ++m_FreeCount; - //m_SumFreeSize -= LevelToNodeSize(currLevel) % 2; // Useful only when level node sizes can be non power of 2. ++currLevel; currNode = m_FreeList[currLevel].front; /* We can be sure that currNode, as left child of node previously split, - also fullfills the alignment requirement. + also fulfills the alignment requirement. */ } @@ -11233,22 +9629,93 @@ void VmaBlockMetadata_Buddy::Alloc( // Convert to allocation node. currNode->type = Node::TYPE_ALLOCATION; - currNode->allocation.alloc = hAllocation; + currNode->allocation.userData = userData; ++m_AllocationCount; --m_FreeCount; - m_SumFreeSize -= allocSize; + m_SumFreeSize -= request.size; +} + +void VmaBlockMetadata_Buddy::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + uint32_t level = 0; + outInfo.offset = (VkDeviceSize)allocHandle - 1; + const Node* const node = FindAllocationNode(outInfo.offset, level); + outInfo.size = LevelToNodeSize(level); + outInfo.pUserData = node->allocation.userData; +} + +void* VmaBlockMetadata_Buddy::GetAllocationUserData(VmaAllocHandle allocHandle) const +{ + uint32_t level = 0; + const Node* const node = FindAllocationNode((VkDeviceSize)allocHandle - 1, level); + return node->allocation.userData; +} + +VmaAllocHandle VmaBlockMetadata_Buddy::GetAllocationListBegin() const +{ + // Function only used for defragmentation, which is disabled for this algorithm + return VK_NULL_HANDLE; +} + +VmaAllocHandle VmaBlockMetadata_Buddy::GetNextAllocation(VmaAllocHandle prevAlloc) const +{ + // Function only used for defragmentation, which is disabled for this algorithm + return VK_NULL_HANDLE; +} + +void VmaBlockMetadata_Buddy::DeleteNodeChildren(Node* node) +{ + if (node->type == Node::TYPE_SPLIT) + { + DeleteNodeChildren(node->split.leftChild->buddy); + DeleteNodeChildren(node->split.leftChild); + const VkAllocationCallbacks* allocationCallbacks = GetAllocationCallbacks(); + m_NodeAllocator.Free(node->split.leftChild->buddy); + m_NodeAllocator.Free(node->split.leftChild); + } +} + +void VmaBlockMetadata_Buddy::Clear() +{ + DeleteNodeChildren(m_Root); + m_Root->type = Node::TYPE_FREE; + m_AllocationCount = 0; + m_FreeCount = 1; + m_SumFreeSize = m_UsableSize; +} + +void VmaBlockMetadata_Buddy::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + uint32_t level = 0; + Node* const node = FindAllocationNode((VkDeviceSize)allocHandle - 1, level); + node->allocation.userData = userData; } -void VmaBlockMetadata_Buddy::DeleteNode(Node* node) +VmaBlockMetadata_Buddy::Node* VmaBlockMetadata_Buddy::FindAllocationNode(VkDeviceSize offset, uint32_t& outLevel) const { - if(node->type == Node::TYPE_SPLIT) + Node* node = m_Root; + VkDeviceSize nodeOffset = 0; + outLevel = 0; + VkDeviceSize levelNodeSize = LevelToNodeSize(0); + while (node->type == Node::TYPE_SPLIT) { - DeleteNode(node->split.leftChild->buddy); - DeleteNode(node->split.leftChild); + const VkDeviceSize nextLevelNodeSize = levelNodeSize >> 1; + if (offset < nodeOffset + nextLevelNodeSize) + { + node = node->split.leftChild; + } + else + { + node = node->split.leftChild->buddy; + nodeOffset += nextLevelNodeSize; + } + ++outLevel; + levelNodeSize = nextLevelNodeSize; } - vma_delete(GetAllocationCallbacks(), node); + VMA_ASSERT(node != VMA_NULL && node->type == Node::TYPE_ALLOCATION); + return node; } bool VmaBlockMetadata_Buddy::ValidateNode(ValidationContext& ctx, const Node* parent, const Node* curr, uint32_t level, VkDeviceSize levelNodeSize) const @@ -11257,7 +9724,7 @@ bool VmaBlockMetadata_Buddy::ValidateNode(ValidationContext& ctx, const Node* pa VMA_VALIDATE(curr->parent == parent); VMA_VALIDATE((curr->buddy == VMA_NULL) == (parent == VMA_NULL)); VMA_VALIDATE(curr->buddy == VMA_NULL || curr->buddy->buddy == curr); - switch(curr->type) + switch (curr->type) { case Node::TYPE_FREE: // curr->free.prev, next are validated separately. @@ -11266,28 +9733,30 @@ bool VmaBlockMetadata_Buddy::ValidateNode(ValidationContext& ctx, const Node* pa break; case Node::TYPE_ALLOCATION: ++ctx.calculatedAllocationCount; - ctx.calculatedSumFreeSize += levelNodeSize - curr->allocation.alloc->GetSize(); - VMA_VALIDATE(curr->allocation.alloc != VK_NULL_HANDLE); + if (!IsVirtual()) + { + VMA_VALIDATE(curr->allocation.userData != VMA_NULL); + } break; case Node::TYPE_SPLIT: + { + const uint32_t childrenLevel = level + 1; + const VkDeviceSize childrenLevelNodeSize = levelNodeSize >> 1; + const Node* const leftChild = curr->split.leftChild; + VMA_VALIDATE(leftChild != VMA_NULL); + VMA_VALIDATE(leftChild->offset == curr->offset); + if (!ValidateNode(ctx, curr, leftChild, childrenLevel, childrenLevelNodeSize)) { - const uint32_t childrenLevel = level + 1; - const VkDeviceSize childrenLevelNodeSize = levelNodeSize / 2; - const Node* const leftChild = curr->split.leftChild; - VMA_VALIDATE(leftChild != VMA_NULL); - VMA_VALIDATE(leftChild->offset == curr->offset); - if(!ValidateNode(ctx, curr, leftChild, childrenLevel, childrenLevelNodeSize)) - { - VMA_VALIDATE(false && "ValidateNode for left child failed."); - } - const Node* const rightChild = leftChild->buddy; - VMA_VALIDATE(rightChild->offset == curr->offset + childrenLevelNodeSize); - if(!ValidateNode(ctx, curr, rightChild, childrenLevel, childrenLevelNodeSize)) - { - VMA_VALIDATE(false && "ValidateNode for right child failed."); - } + VMA_VALIDATE(false && "ValidateNode for left child failed."); } - break; + const Node* const rightChild = leftChild->buddy; + VMA_VALIDATE(rightChild->offset == curr->offset + childrenLevelNodeSize); + if (!ValidateNode(ctx, curr, rightChild, childrenLevel, childrenLevelNodeSize)) + { + VMA_VALIDATE(false && "ValidateNode for right child failed."); + } + } + break; default: return false; } @@ -11301,103 +9770,63 @@ uint32_t VmaBlockMetadata_Buddy::AllocSizeToLevel(VkDeviceSize allocSize) const uint32_t level = 0; VkDeviceSize currLevelNodeSize = m_UsableSize; VkDeviceSize nextLevelNodeSize = currLevelNodeSize >> 1; - while(allocSize <= nextLevelNodeSize && level + 1 < m_LevelCount) + while (allocSize <= nextLevelNodeSize && level + 1 < m_LevelCount) { ++level; - currLevelNodeSize = nextLevelNodeSize; - nextLevelNodeSize = currLevelNodeSize >> 1; + currLevelNodeSize >>= 1; + nextLevelNodeSize >>= 1; } return level; } -void VmaBlockMetadata_Buddy::FreeAtOffset(VmaAllocation alloc, VkDeviceSize offset) +void VmaBlockMetadata_Buddy::Free(VmaAllocHandle allocHandle) { - // Find node and level. - Node* node = m_Root; - VkDeviceSize nodeOffset = 0; uint32_t level = 0; - VkDeviceSize levelNodeSize = LevelToNodeSize(0); - while(node->type == Node::TYPE_SPLIT) - { - const VkDeviceSize nextLevelSize = levelNodeSize >> 1; - if(offset < nodeOffset + nextLevelSize) - { - node = node->split.leftChild; - } - else - { - node = node->split.leftChild->buddy; - nodeOffset += nextLevelSize; - } - ++level; - levelNodeSize = nextLevelSize; - } - - VMA_ASSERT(node != VMA_NULL && node->type == Node::TYPE_ALLOCATION); - VMA_ASSERT(alloc == VK_NULL_HANDLE || node->allocation.alloc == alloc); + Node* node = FindAllocationNode((VkDeviceSize)allocHandle - 1, level); ++m_FreeCount; --m_AllocationCount; - m_SumFreeSize += alloc->GetSize(); + m_SumFreeSize += LevelToNodeSize(level); node->type = Node::TYPE_FREE; // Join free nodes if possible. - while(level > 0 && node->buddy->type == Node::TYPE_FREE) + while (level > 0 && node->buddy->type == Node::TYPE_FREE) { RemoveFromFreeList(level, node->buddy); Node* const parent = node->parent; - vma_delete(GetAllocationCallbacks(), node->buddy); - vma_delete(GetAllocationCallbacks(), node); + m_NodeAllocator.Free(node->buddy); + m_NodeAllocator.Free(node); parent->type = Node::TYPE_FREE; - + node = parent; --level; - //m_SumFreeSize += LevelToNodeSize(level) % 2; // Useful only when level node sizes can be non power of 2. --m_FreeCount; } AddToFreeListFront(level, node); } -void VmaBlockMetadata_Buddy::CalcAllocationStatInfoNode(VmaStatInfo& outInfo, const Node* node, VkDeviceSize levelNodeSize) const +void VmaBlockMetadata_Buddy::AddNodeToDetailedStatistics(VmaDetailedStatistics& inoutStats, const Node* node, VkDeviceSize levelNodeSize) const { - switch(node->type) + switch (node->type) { case Node::TYPE_FREE: - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += levelNodeSize; - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, levelNodeSize); - outInfo.unusedRangeSizeMin = VMA_MAX(outInfo.unusedRangeSizeMin, levelNodeSize); + VmaAddDetailedStatisticsUnusedRange(inoutStats, levelNodeSize); break; case Node::TYPE_ALLOCATION: - { - const VkDeviceSize allocSize = node->allocation.alloc->GetSize(); - ++outInfo.allocationCount; - outInfo.usedBytes += allocSize; - outInfo.allocationSizeMax = VMA_MAX(outInfo.allocationSizeMax, allocSize); - outInfo.allocationSizeMin = VMA_MAX(outInfo.allocationSizeMin, allocSize); - - const VkDeviceSize unusedRangeSize = levelNodeSize - allocSize; - if(unusedRangeSize > 0) - { - ++outInfo.unusedRangeCount; - outInfo.unusedBytes += unusedRangeSize; - outInfo.unusedRangeSizeMax = VMA_MAX(outInfo.unusedRangeSizeMax, unusedRangeSize); - outInfo.unusedRangeSizeMin = VMA_MAX(outInfo.unusedRangeSizeMin, unusedRangeSize); - } - } + VmaAddDetailedStatisticsAllocation(inoutStats, levelNodeSize); break; case Node::TYPE_SPLIT: - { - const VkDeviceSize childrenNodeSize = levelNodeSize / 2; - const Node* const leftChild = node->split.leftChild; - CalcAllocationStatInfoNode(outInfo, leftChild, childrenNodeSize); - const Node* const rightChild = leftChild->buddy; - CalcAllocationStatInfoNode(outInfo, rightChild, childrenNodeSize); - } - break; + { + const VkDeviceSize childrenNodeSize = levelNodeSize / 2; + const Node* const leftChild = node->split.leftChild; + AddNodeToDetailedStatistics(inoutStats, leftChild, childrenNodeSize); + const Node* const rightChild = leftChild->buddy; + AddNodeToDetailedStatistics(inoutStats, rightChild, childrenNodeSize); + } + break; default: VMA_ASSERT(0); } @@ -11409,7 +9838,7 @@ void VmaBlockMetadata_Buddy::AddToFreeListFront(uint32_t level, Node* node) // List is empty. Node* const frontNode = m_FreeList[level].front; - if(frontNode == VMA_NULL) + if (frontNode == VMA_NULL) { VMA_ASSERT(m_FreeList[level].back == VMA_NULL); node->free.prev = node->free.next = VMA_NULL; @@ -11430,7 +9859,7 @@ void VmaBlockMetadata_Buddy::RemoveFromFreeList(uint32_t level, Node* node) VMA_ASSERT(m_FreeList[level].front != VMA_NULL); // It is at the front. - if(node->free.prev == VMA_NULL) + if (node->free.prev == VMA_NULL) { VMA_ASSERT(m_FreeList[level].front == node); m_FreeList[level].front = node->free.next; @@ -11443,7 +9872,7 @@ void VmaBlockMetadata_Buddy::RemoveFromFreeList(uint32_t level, Node* node) } // It is at the back. - if(node->free.next == VMA_NULL) + if (node->free.next == VMA_NULL) { VMA_ASSERT(m_FreeList[level].back == node); m_FreeList[level].back = node->free.prev; @@ -11456,51 +9885,1854 @@ void VmaBlockMetadata_Buddy::RemoveFromFreeList(uint32_t level, Node* node) } } +void VmaBlockMetadata_Buddy::DebugLogAllAllocationNode(Node* node, uint32_t level) const +{ + switch (node->type) + { + case Node::TYPE_FREE: + break; + case Node::TYPE_ALLOCATION: + DebugLogAllocation(node->offset, LevelToNodeSize(level), node->allocation.userData); + break; + case Node::TYPE_SPLIT: + { + ++level; + DebugLogAllAllocationNode(node->split.leftChild, level); + DebugLogAllAllocationNode(node->split.leftChild->buddy, level); + } + break; + default: + VMA_ASSERT(0); + } +} + #if VMA_STATS_STRING_ENABLED void VmaBlockMetadata_Buddy::PrintDetailedMapNode(class VmaJsonWriter& json, const Node* node, VkDeviceSize levelNodeSize) const { - switch(node->type) + switch (node->type) { case Node::TYPE_FREE: PrintDetailedMap_UnusedRange(json, node->offset, levelNodeSize); break; case Node::TYPE_ALLOCATION: - { - PrintDetailedMap_Allocation(json, node->offset, node->allocation.alloc); - const VkDeviceSize allocSize = node->allocation.alloc->GetSize(); - if(allocSize < levelNodeSize) + PrintDetailedMap_Allocation(json, node->offset, levelNodeSize, node->allocation.userData); + break; + case Node::TYPE_SPLIT: + { + const VkDeviceSize childrenNodeSize = levelNodeSize / 2; + const Node* const leftChild = node->split.leftChild; + PrintDetailedMapNode(json, leftChild, childrenNodeSize); + const Node* const rightChild = leftChild->buddy; + PrintDetailedMapNode(json, rightChild, childrenNodeSize); + } + break; + default: + VMA_ASSERT(0); + } +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_BLOCK_METADATA_BUDDY_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_BUDDY +#endif // #if 0 + +#ifndef _VMA_BLOCK_METADATA_TLSF +// To not search current larger region if first allocation won't succeed and skip to smaller range +// use with VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT as strategy in CreateAllocationRequest(). +// When fragmentation and reusal of previous blocks doesn't matter then use with +// VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT for fastest alloc time possible. +class VmaBlockMetadata_TLSF : public VmaBlockMetadata +{ + VMA_CLASS_NO_COPY(VmaBlockMetadata_TLSF) +public: + VmaBlockMetadata_TLSF(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual); + virtual ~VmaBlockMetadata_TLSF(); + + size_t GetAllocationCount() const override { return m_AllocCount; } + size_t GetFreeRegionsCount() const override { return m_BlocksFreeCount + 1; } + VkDeviceSize GetSumFreeSize() const override { return m_BlocksFreeSize + m_NullBlock->size; } + bool IsEmpty() const override { return m_NullBlock->offset == 0; } + VkDeviceSize GetAllocationOffset(VmaAllocHandle allocHandle) const override { return ((Block*)allocHandle)->offset; }; + + void Init(VkDeviceSize size) override; + bool Validate() const override; + + void AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const override; + void AddStatistics(VmaStatistics& inoutStats) const override; + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json) const override; +#endif + + bool CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) override; + + VkResult CheckCorruption(const void* pBlockData) override; + void Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) override; + + void Free(VmaAllocHandle allocHandle) override; + void GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) override; + void* GetAllocationUserData(VmaAllocHandle allocHandle) const override; + VmaAllocHandle GetAllocationListBegin() const override; + VmaAllocHandle GetNextAllocation(VmaAllocHandle prevAlloc) const override; + VkDeviceSize GetNextFreeRegionSize(VmaAllocHandle alloc) const override; + void Clear() override; + void SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) override; + void DebugLogAllAllocations() const override; + +private: + // According to original paper it should be preferable 4 or 5: + // M. Masmano, I. Ripoll, A. Crespo, and J. Real "TLSF: a New Dynamic Memory Allocator for Real-Time Systems" + // http://www.gii.upv.es/tlsf/files/ecrts04_tlsf.pdf + static const uint8_t SECOND_LEVEL_INDEX = 5; + static const uint16_t SMALL_BUFFER_SIZE = 256; + static const uint32_t INITIAL_BLOCK_ALLOC_COUNT = 16; + static const uint8_t MEMORY_CLASS_SHIFT = 7; + static const uint8_t MAX_MEMORY_CLASSES = 65 - MEMORY_CLASS_SHIFT; + + class Block + { + public: + VkDeviceSize offset; + VkDeviceSize size; + Block* prevPhysical; + Block* nextPhysical; + + void MarkFree() { prevFree = VMA_NULL; } + void MarkTaken() { prevFree = this; } + bool IsFree() const { return prevFree != this; } + void*& UserData() { VMA_HEAVY_ASSERT(!IsFree()); return userData; } + Block*& PrevFree() { return prevFree; } + Block*& NextFree() { VMA_HEAVY_ASSERT(IsFree()); return nextFree; } + + private: + Block* prevFree; // Address of the same block here indicates that block is taken + union + { + Block* nextFree; + void* userData; + }; + }; + + size_t m_AllocCount; + // Total number of free blocks besides null block + size_t m_BlocksFreeCount; + // Total size of free blocks excluding null block + VkDeviceSize m_BlocksFreeSize; + uint32_t m_IsFreeBitmap; + uint8_t m_MemoryClasses; + uint32_t m_InnerIsFreeBitmap[MAX_MEMORY_CLASSES]; + uint32_t m_ListsCount; + /* + * 0: 0-3 lists for small buffers + * 1+: 0-(2^SLI-1) lists for normal buffers + */ + Block** m_FreeList; + VmaPoolAllocator<Block> m_BlockAllocator; + Block* m_NullBlock; + VmaBlockBufferImageGranularity m_GranularityHandler; + + uint8_t SizeToMemoryClass(VkDeviceSize size) const; + uint16_t SizeToSecondIndex(VkDeviceSize size, uint8_t memoryClass) const; + uint32_t GetListIndex(uint8_t memoryClass, uint16_t secondIndex) const; + uint32_t GetListIndex(VkDeviceSize size) const; + + void RemoveFreeBlock(Block* block); + void InsertFreeBlock(Block* block); + void MergeBlock(Block* block, Block* prev); + + Block* FindFreeBlock(VkDeviceSize size, uint32_t& listIndex) const; + bool CheckBlock( + Block& block, + uint32_t listIndex, + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + VmaAllocationRequest* pAllocationRequest); +}; + +#ifndef _VMA_BLOCK_METADATA_TLSF_FUNCTIONS +VmaBlockMetadata_TLSF::VmaBlockMetadata_TLSF(const VkAllocationCallbacks* pAllocationCallbacks, + VkDeviceSize bufferImageGranularity, bool isVirtual) + : VmaBlockMetadata(pAllocationCallbacks, bufferImageGranularity, isVirtual), + m_AllocCount(0), + m_BlocksFreeCount(0), + m_BlocksFreeSize(0), + m_IsFreeBitmap(0), + m_MemoryClasses(0), + m_ListsCount(0), + m_FreeList(VMA_NULL), + m_BlockAllocator(pAllocationCallbacks, INITIAL_BLOCK_ALLOC_COUNT), + m_NullBlock(VMA_NULL), + m_GranularityHandler(bufferImageGranularity) {} + +VmaBlockMetadata_TLSF::~VmaBlockMetadata_TLSF() +{ + if (m_FreeList) + vma_delete_array(GetAllocationCallbacks(), m_FreeList, m_ListsCount); + m_GranularityHandler.Destroy(GetAllocationCallbacks()); +} + +void VmaBlockMetadata_TLSF::Init(VkDeviceSize size) +{ + VmaBlockMetadata::Init(size); + + if (!IsVirtual()) + m_GranularityHandler.Init(GetAllocationCallbacks(), size); + + m_NullBlock = m_BlockAllocator.Alloc(); + m_NullBlock->size = size; + m_NullBlock->offset = 0; + m_NullBlock->prevPhysical = VMA_NULL; + m_NullBlock->nextPhysical = VMA_NULL; + m_NullBlock->MarkFree(); + m_NullBlock->NextFree() = VMA_NULL; + m_NullBlock->PrevFree() = VMA_NULL; + uint8_t memoryClass = SizeToMemoryClass(size); + uint16_t sli = SizeToSecondIndex(size, memoryClass); + m_ListsCount = (memoryClass == 0 ? 0 : (memoryClass - 1) * (1UL << SECOND_LEVEL_INDEX) + sli) + 1; + if (IsVirtual()) + m_ListsCount += 1UL << SECOND_LEVEL_INDEX; + else + m_ListsCount += 4; + + m_MemoryClasses = memoryClass + 2; + memset(m_InnerIsFreeBitmap, 0, MAX_MEMORY_CLASSES * sizeof(uint32_t)); + + m_FreeList = vma_new_array(GetAllocationCallbacks(), Block*, m_ListsCount); + memset(m_FreeList, 0, m_ListsCount * sizeof(Block*)); +} + +bool VmaBlockMetadata_TLSF::Validate() const +{ + VMA_VALIDATE(GetSumFreeSize() <= GetSize()); + + VkDeviceSize calculatedSize = m_NullBlock->size; + VkDeviceSize calculatedFreeSize = m_NullBlock->size; + size_t allocCount = 0; + size_t freeCount = 0; + + // Check integrity of free lists + for (uint32_t list = 0; list < m_ListsCount; ++list) + { + Block* block = m_FreeList[list]; + if (block != VMA_NULL) + { + VMA_VALIDATE(block->IsFree()); + VMA_VALIDATE(block->PrevFree() == VMA_NULL); + while (block->NextFree()) { - PrintDetailedMap_UnusedRange(json, node->offset + allocSize, levelNodeSize - allocSize); + VMA_VALIDATE(block->NextFree()->IsFree()); + VMA_VALIDATE(block->NextFree()->PrevFree() == block); + block = block->NextFree(); } } - break; - case Node::TYPE_SPLIT: + } + + VkDeviceSize nextOffset = m_NullBlock->offset; + auto validateCtx = m_GranularityHandler.StartValidation(GetAllocationCallbacks(), IsVirtual()); + + VMA_VALIDATE(m_NullBlock->nextPhysical == VMA_NULL); + if (m_NullBlock->prevPhysical) + { + VMA_VALIDATE(m_NullBlock->prevPhysical->nextPhysical == m_NullBlock); + } + // Check all blocks + for (Block* prev = m_NullBlock->prevPhysical; prev != VMA_NULL; prev = prev->prevPhysical) + { + VMA_VALIDATE(prev->offset + prev->size == nextOffset); + nextOffset = prev->offset; + calculatedSize += prev->size; + + uint32_t listIndex = GetListIndex(prev->size); + if (prev->IsFree()) { - const VkDeviceSize childrenNodeSize = levelNodeSize / 2; - const Node* const leftChild = node->split.leftChild; - PrintDetailedMapNode(json, leftChild, childrenNodeSize); - const Node* const rightChild = leftChild->buddy; - PrintDetailedMapNode(json, rightChild, childrenNodeSize); + ++freeCount; + // Check if free block belongs to free list + Block* freeBlock = m_FreeList[listIndex]; + VMA_VALIDATE(freeBlock != VMA_NULL); + + bool found = false; + do + { + if (freeBlock == prev) + found = true; + + freeBlock = freeBlock->NextFree(); + } while (!found && freeBlock != VMA_NULL); + + VMA_VALIDATE(found); + calculatedFreeSize += prev->size; } - break; + else + { + ++allocCount; + // Check if taken block is not on a free list + Block* freeBlock = m_FreeList[listIndex]; + while (freeBlock) + { + VMA_VALIDATE(freeBlock != prev); + freeBlock = freeBlock->NextFree(); + } + + if (!IsVirtual()) + { + VMA_VALIDATE(m_GranularityHandler.Validate(validateCtx, prev->offset, prev->size)); + } + } + + if (prev->prevPhysical) + { + VMA_VALIDATE(prev->prevPhysical->nextPhysical == prev); + } + } + + if (!IsVirtual()) + { + VMA_VALIDATE(m_GranularityHandler.FinishValidation(validateCtx)); + } + + VMA_VALIDATE(nextOffset == 0); + VMA_VALIDATE(calculatedSize == GetSize()); + VMA_VALIDATE(calculatedFreeSize == GetSumFreeSize()); + VMA_VALIDATE(allocCount == m_AllocCount); + VMA_VALIDATE(freeCount == m_BlocksFreeCount); + + return true; +} + +void VmaBlockMetadata_TLSF::AddDetailedStatistics(VmaDetailedStatistics& inoutStats) const +{ + inoutStats.statistics.blockCount++; + inoutStats.statistics.blockBytes += GetSize(); + if (m_NullBlock->size > 0) + VmaAddDetailedStatisticsUnusedRange(inoutStats, m_NullBlock->size); + + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + { + if (block->IsFree()) + VmaAddDetailedStatisticsUnusedRange(inoutStats, block->size); + else + VmaAddDetailedStatisticsAllocation(inoutStats, block->size); + } +} + +void VmaBlockMetadata_TLSF::AddStatistics(VmaStatistics& inoutStats) const +{ + inoutStats.blockCount++; + inoutStats.allocationCount += (uint32_t)m_AllocCount; + inoutStats.blockBytes += GetSize(); + inoutStats.allocationBytes += GetSize() - GetSumFreeSize(); +} + +#if VMA_STATS_STRING_ENABLED +void VmaBlockMetadata_TLSF::PrintDetailedMap(class VmaJsonWriter& json) const +{ + size_t blockCount = m_AllocCount + m_BlocksFreeCount; + VmaStlAllocator<Block*> allocator(GetAllocationCallbacks()); + VmaVector<Block*, VmaStlAllocator<Block*>> blockList(blockCount, allocator); + + size_t i = blockCount; + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + { + blockList[--i] = block; + } + VMA_ASSERT(i == 0); + + VmaDetailedStatistics stats; + VmaClearDetailedStatistics(stats); + AddDetailedStatistics(stats); + + PrintDetailedMap_Begin(json, + stats.statistics.blockBytes - stats.statistics.allocationBytes, + stats.statistics.allocationCount, + stats.unusedRangeCount); + + for (; i < blockCount; ++i) + { + Block* block = blockList[i]; + if (block->IsFree()) + PrintDetailedMap_UnusedRange(json, block->offset, block->size); + else + PrintDetailedMap_Allocation(json, block->offset, block->size, block->UserData()); + } + if (m_NullBlock->size > 0) + PrintDetailedMap_UnusedRange(json, m_NullBlock->offset, m_NullBlock->size); + + PrintDetailedMap_End(json); +} +#endif + +bool VmaBlockMetadata_TLSF::CreateAllocationRequest( + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + bool upperAddress, + VmaSuballocationType allocType, + uint32_t strategy, + VmaAllocationRequest* pAllocationRequest) +{ + VMA_ASSERT(allocSize > 0 && "Cannot allocate empty block!"); + VMA_ASSERT(!upperAddress && "VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT can be used only with linear algorithm."); + + // For small granularity round up + if (!IsVirtual()) + m_GranularityHandler.RoundupAllocRequest(allocType, allocSize, allocAlignment); + + allocSize += GetDebugMargin(); + // Quick check for too small pool + if (allocSize > GetSumFreeSize()) + return false; + + // If no free blocks in pool then check only null block + if (m_BlocksFreeCount == 0) + return CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest); + + // Round up to the next block + VkDeviceSize sizeForNextList = allocSize; + VkDeviceSize smallSizeStep = SMALL_BUFFER_SIZE / (IsVirtual() ? 1 << SECOND_LEVEL_INDEX : 4); + if (allocSize > SMALL_BUFFER_SIZE) + { + sizeForNextList += (1ULL << (VMA_BITSCAN_MSB(allocSize) - SECOND_LEVEL_INDEX)); + } + else if (allocSize > SMALL_BUFFER_SIZE - smallSizeStep) + sizeForNextList = SMALL_BUFFER_SIZE + 1; + else + sizeForNextList += smallSizeStep; + + uint32_t nextListIndex = 0; + uint32_t prevListIndex = 0; + Block* nextListBlock = VMA_NULL; + Block* prevListBlock = VMA_NULL; + + // Check blocks according to strategies + if (strategy & VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT) + { + // Quick check for larger block first + nextListBlock = FindFreeBlock(sizeForNextList, nextListIndex); + if (nextListBlock != VMA_NULL && CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // If not fitted then null block + if (CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // Null block failed, search larger bucket + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + + // Failed again, check best fit bucket + prevListBlock = FindFreeBlock(allocSize, prevListIndex); + while (prevListBlock) + { + if (CheckBlock(*prevListBlock, prevListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + prevListBlock = prevListBlock->NextFree(); + } + } + else if (strategy & VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT) + { + // Check best fit bucket + prevListBlock = FindFreeBlock(allocSize, prevListIndex); + while (prevListBlock) + { + if (CheckBlock(*prevListBlock, prevListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + prevListBlock = prevListBlock->NextFree(); + } + + // If failed check null block + if (CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // Check larger bucket + nextListBlock = FindFreeBlock(sizeForNextList, nextListIndex); + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + } + else if (strategy & VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT ) + { + // Perform search from the start + VmaStlAllocator<Block*> allocator(GetAllocationCallbacks()); + VmaVector<Block*, VmaStlAllocator<Block*>> blockList(m_BlocksFreeCount, allocator); + + size_t i = m_BlocksFreeCount; + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + { + if (block->IsFree() && block->size >= allocSize) + blockList[--i] = block; + } + + for (; i < m_BlocksFreeCount; ++i) + { + Block& block = *blockList[i]; + if (CheckBlock(block, GetListIndex(block.size), allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + } + + // If failed check null block + if (CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // Whole range searched, no more memory + return false; + } + else + { + // Check larger bucket + nextListBlock = FindFreeBlock(sizeForNextList, nextListIndex); + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + + // If failed check null block + if (CheckBlock(*m_NullBlock, m_ListsCount, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + + // Check best fit bucket + prevListBlock = FindFreeBlock(allocSize, prevListIndex); + while (prevListBlock) + { + if (CheckBlock(*prevListBlock, prevListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + prevListBlock = prevListBlock->NextFree(); + } + } + + // Worst case, full search has to be done + while (++nextListIndex < m_ListsCount) + { + nextListBlock = m_FreeList[nextListIndex]; + while (nextListBlock) + { + if (CheckBlock(*nextListBlock, nextListIndex, allocSize, allocAlignment, allocType, pAllocationRequest)) + return true; + nextListBlock = nextListBlock->NextFree(); + } + } + + // No more memory sadly + return false; +} + +VkResult VmaBlockMetadata_TLSF::CheckCorruption(const void* pBlockData) +{ + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + { + if (!block->IsFree()) + { + if (!VmaValidateMagicValue(pBlockData, block->offset + block->size)) + { + VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER VALIDATED ALLOCATION!"); + return VK_ERROR_UNKNOWN_COPY; + } + } + } + + return VK_SUCCESS; +} + +void VmaBlockMetadata_TLSF::Alloc( + const VmaAllocationRequest& request, + VmaSuballocationType type, + void* userData) +{ + VMA_ASSERT(request.type == VmaAllocationRequestType::TLSF); + + // Get block and pop it from the free list + Block* currentBlock = (Block*)request.allocHandle; + VkDeviceSize offset = request.algorithmData; + VMA_ASSERT(currentBlock != VMA_NULL); + VMA_ASSERT(currentBlock->offset <= offset); + + if (currentBlock != m_NullBlock) + RemoveFreeBlock(currentBlock); + + VkDeviceSize debugMargin = GetDebugMargin(); + VkDeviceSize misssingAlignment = offset - currentBlock->offset; + + // Append missing alignment to prev block or create new one + if (misssingAlignment) + { + Block* prevBlock = currentBlock->prevPhysical; + VMA_ASSERT(prevBlock != VMA_NULL && "There should be no missing alignment at offset 0!"); + + if (prevBlock->IsFree() && prevBlock->size != debugMargin) + { + uint32_t oldList = GetListIndex(prevBlock->size); + prevBlock->size += misssingAlignment; + // Check if new size crosses list bucket + if (oldList != GetListIndex(prevBlock->size)) + { + prevBlock->size -= misssingAlignment; + RemoveFreeBlock(prevBlock); + prevBlock->size += misssingAlignment; + InsertFreeBlock(prevBlock); + } + else + m_BlocksFreeSize += misssingAlignment; + } + else + { + Block* newBlock = m_BlockAllocator.Alloc(); + currentBlock->prevPhysical = newBlock; + prevBlock->nextPhysical = newBlock; + newBlock->prevPhysical = prevBlock; + newBlock->nextPhysical = currentBlock; + newBlock->size = misssingAlignment; + newBlock->offset = currentBlock->offset; + newBlock->MarkTaken(); + + InsertFreeBlock(newBlock); + } + + currentBlock->size -= misssingAlignment; + currentBlock->offset += misssingAlignment; + } + + VkDeviceSize size = request.size + debugMargin; + if (currentBlock->size == size) + { + if (currentBlock == m_NullBlock) + { + // Setup new null block + m_NullBlock = m_BlockAllocator.Alloc(); + m_NullBlock->size = 0; + m_NullBlock->offset = currentBlock->offset + size; + m_NullBlock->prevPhysical = currentBlock; + m_NullBlock->nextPhysical = VMA_NULL; + m_NullBlock->MarkFree(); + m_NullBlock->PrevFree() = VMA_NULL; + m_NullBlock->NextFree() = VMA_NULL; + currentBlock->nextPhysical = m_NullBlock; + currentBlock->MarkTaken(); + } + } + else + { + VMA_ASSERT(currentBlock->size > size && "Proper block already found, shouldn't find smaller one!"); + + // Create new free block + Block* newBlock = m_BlockAllocator.Alloc(); + newBlock->size = currentBlock->size - size; + newBlock->offset = currentBlock->offset + size; + newBlock->prevPhysical = currentBlock; + newBlock->nextPhysical = currentBlock->nextPhysical; + currentBlock->nextPhysical = newBlock; + currentBlock->size = size; + + if (currentBlock == m_NullBlock) + { + m_NullBlock = newBlock; + m_NullBlock->MarkFree(); + m_NullBlock->NextFree() = VMA_NULL; + m_NullBlock->PrevFree() = VMA_NULL; + currentBlock->MarkTaken(); + } + else + { + newBlock->nextPhysical->prevPhysical = newBlock; + newBlock->MarkTaken(); + InsertFreeBlock(newBlock); + } + } + currentBlock->UserData() = userData; + + if (debugMargin > 0) + { + currentBlock->size -= debugMargin; + Block* newBlock = m_BlockAllocator.Alloc(); + newBlock->size = debugMargin; + newBlock->offset = currentBlock->offset + currentBlock->size; + newBlock->prevPhysical = currentBlock; + newBlock->nextPhysical = currentBlock->nextPhysical; + newBlock->MarkTaken(); + currentBlock->nextPhysical->prevPhysical = newBlock; + currentBlock->nextPhysical = newBlock; + InsertFreeBlock(newBlock); + } + + if (!IsVirtual()) + m_GranularityHandler.AllocPages((uint8_t)(uintptr_t)request.customData, + currentBlock->offset, currentBlock->size); + ++m_AllocCount; +} + +void VmaBlockMetadata_TLSF::Free(VmaAllocHandle allocHandle) +{ + Block* block = (Block*)allocHandle; + Block* next = block->nextPhysical; + VMA_ASSERT(!block->IsFree() && "Block is already free!"); + + if (!IsVirtual()) + m_GranularityHandler.FreePages(block->offset, block->size); + --m_AllocCount; + + VkDeviceSize debugMargin = GetDebugMargin(); + if (debugMargin > 0) + { + RemoveFreeBlock(next); + MergeBlock(next, block); + block = next; + next = next->nextPhysical; + } + + // Try merging + Block* prev = block->prevPhysical; + if (prev != VMA_NULL && prev->IsFree() && prev->size != debugMargin) + { + RemoveFreeBlock(prev); + MergeBlock(block, prev); + } + + if (!next->IsFree()) + InsertFreeBlock(block); + else if (next == m_NullBlock) + MergeBlock(m_NullBlock, block); + else + { + RemoveFreeBlock(next); + MergeBlock(next, block); + InsertFreeBlock(next); + } +} + +void VmaBlockMetadata_TLSF::GetAllocationInfo(VmaAllocHandle allocHandle, VmaVirtualAllocationInfo& outInfo) +{ + Block* block = (Block*)allocHandle; + VMA_ASSERT(!block->IsFree() && "Cannot get allocation info for free block!"); + outInfo.offset = block->offset; + outInfo.size = block->size; + outInfo.pUserData = block->UserData(); +} + +void* VmaBlockMetadata_TLSF::GetAllocationUserData(VmaAllocHandle allocHandle) const +{ + Block* block = (Block*)allocHandle; + VMA_ASSERT(!block->IsFree() && "Cannot get user data for free block!"); + return block->UserData(); +} + +VmaAllocHandle VmaBlockMetadata_TLSF::GetAllocationListBegin() const +{ + if (m_AllocCount == 0) + return VK_NULL_HANDLE; + + for (Block* block = m_NullBlock->prevPhysical; block; block = block->prevPhysical) + { + if (!block->IsFree()) + return (VmaAllocHandle)block; + } + VMA_ASSERT(false && "If m_AllocCount > 0 then should find any allocation!"); + return VK_NULL_HANDLE; +} + +VmaAllocHandle VmaBlockMetadata_TLSF::GetNextAllocation(VmaAllocHandle prevAlloc) const +{ + Block* startBlock = (Block*)prevAlloc; + VMA_ASSERT(!startBlock->IsFree() && "Incorrect block!"); + + for (Block* block = startBlock->prevPhysical; block; block = block->prevPhysical) + { + if (!block->IsFree()) + return (VmaAllocHandle)block; + } + return VK_NULL_HANDLE; +} + +VkDeviceSize VmaBlockMetadata_TLSF::GetNextFreeRegionSize(VmaAllocHandle alloc) const +{ + Block* block = (Block*)alloc; + VMA_ASSERT(!block->IsFree() && "Incorrect block!"); + + if (block->prevPhysical) + return block->prevPhysical->IsFree() ? block->prevPhysical->size : 0; + return 0; +} + +void VmaBlockMetadata_TLSF::Clear() +{ + m_AllocCount = 0; + m_BlocksFreeCount = 0; + m_BlocksFreeSize = 0; + m_IsFreeBitmap = 0; + m_NullBlock->offset = 0; + m_NullBlock->size = GetSize(); + Block* block = m_NullBlock->prevPhysical; + m_NullBlock->prevPhysical = VMA_NULL; + while (block) + { + Block* prev = block->prevPhysical; + m_BlockAllocator.Free(block); + block = prev; + } + memset(m_FreeList, 0, m_ListsCount * sizeof(Block*)); + memset(m_InnerIsFreeBitmap, 0, m_MemoryClasses * sizeof(uint32_t)); + m_GranularityHandler.Clear(); +} + +void VmaBlockMetadata_TLSF::SetAllocationUserData(VmaAllocHandle allocHandle, void* userData) +{ + Block* block = (Block*)allocHandle; + VMA_ASSERT(!block->IsFree() && "Trying to set user data for not allocated block!"); + block->UserData() = userData; +} + +void VmaBlockMetadata_TLSF::DebugLogAllAllocations() const +{ + for (Block* block = m_NullBlock->prevPhysical; block != VMA_NULL; block = block->prevPhysical) + if (!block->IsFree()) + DebugLogAllocation(block->offset, block->size, block->UserData()); +} + +uint8_t VmaBlockMetadata_TLSF::SizeToMemoryClass(VkDeviceSize size) const +{ + if (size > SMALL_BUFFER_SIZE) + return VMA_BITSCAN_MSB(size) - MEMORY_CLASS_SHIFT; + return 0; +} + +uint16_t VmaBlockMetadata_TLSF::SizeToSecondIndex(VkDeviceSize size, uint8_t memoryClass) const +{ + if (memoryClass == 0) + { + if (IsVirtual()) + return static_cast<uint16_t>((size - 1) / 8); + else + return static_cast<uint16_t>((size - 1) / 64); + } + return static_cast<uint16_t>((size >> (memoryClass + MEMORY_CLASS_SHIFT - SECOND_LEVEL_INDEX)) ^ (1U << SECOND_LEVEL_INDEX)); +} + +uint32_t VmaBlockMetadata_TLSF::GetListIndex(uint8_t memoryClass, uint16_t secondIndex) const +{ + if (memoryClass == 0) + return secondIndex; + + const uint32_t index = static_cast<uint32_t>(memoryClass - 1) * (1 << SECOND_LEVEL_INDEX) + secondIndex; + if (IsVirtual()) + return index + (1 << SECOND_LEVEL_INDEX); + else + return index + 4; +} + +uint32_t VmaBlockMetadata_TLSF::GetListIndex(VkDeviceSize size) const +{ + uint8_t memoryClass = SizeToMemoryClass(size); + return GetListIndex(memoryClass, SizeToSecondIndex(size, memoryClass)); +} + +void VmaBlockMetadata_TLSF::RemoveFreeBlock(Block* block) +{ + VMA_ASSERT(block != m_NullBlock); + VMA_ASSERT(block->IsFree()); + + if (block->NextFree() != VMA_NULL) + block->NextFree()->PrevFree() = block->PrevFree(); + if (block->PrevFree() != VMA_NULL) + block->PrevFree()->NextFree() = block->NextFree(); + else + { + uint8_t memClass = SizeToMemoryClass(block->size); + uint16_t secondIndex = SizeToSecondIndex(block->size, memClass); + uint32_t index = GetListIndex(memClass, secondIndex); + VMA_ASSERT(m_FreeList[index] == block); + m_FreeList[index] = block->NextFree(); + if (block->NextFree() == VMA_NULL) + { + m_InnerIsFreeBitmap[memClass] &= ~(1U << secondIndex); + if (m_InnerIsFreeBitmap[memClass] == 0) + m_IsFreeBitmap &= ~(1UL << memClass); + } + } + block->MarkTaken(); + block->UserData() = VMA_NULL; + --m_BlocksFreeCount; + m_BlocksFreeSize -= block->size; +} + +void VmaBlockMetadata_TLSF::InsertFreeBlock(Block* block) +{ + VMA_ASSERT(block != m_NullBlock); + VMA_ASSERT(!block->IsFree() && "Cannot insert block twice!"); + + uint8_t memClass = SizeToMemoryClass(block->size); + uint16_t secondIndex = SizeToSecondIndex(block->size, memClass); + uint32_t index = GetListIndex(memClass, secondIndex); + VMA_ASSERT(index < m_ListsCount); + block->PrevFree() = VMA_NULL; + block->NextFree() = m_FreeList[index]; + m_FreeList[index] = block; + if (block->NextFree() != VMA_NULL) + block->NextFree()->PrevFree() = block; + else + { + m_InnerIsFreeBitmap[memClass] |= 1U << secondIndex; + m_IsFreeBitmap |= 1UL << memClass; + } + ++m_BlocksFreeCount; + m_BlocksFreeSize += block->size; +} + +void VmaBlockMetadata_TLSF::MergeBlock(Block* block, Block* prev) +{ + VMA_ASSERT(block->prevPhysical == prev && "Cannot merge seperate physical regions!"); + VMA_ASSERT(!prev->IsFree() && "Cannot merge block that belongs to free list!"); + + block->offset = prev->offset; + block->size += prev->size; + block->prevPhysical = prev->prevPhysical; + if (block->prevPhysical) + block->prevPhysical->nextPhysical = block; + m_BlockAllocator.Free(prev); +} + +VmaBlockMetadata_TLSF::Block* VmaBlockMetadata_TLSF::FindFreeBlock(VkDeviceSize size, uint32_t& listIndex) const +{ + uint8_t memoryClass = SizeToMemoryClass(size); + uint32_t innerFreeMap = m_InnerIsFreeBitmap[memoryClass] & (~0U << SizeToSecondIndex(size, memoryClass)); + if (!innerFreeMap) + { + // Check higher levels for avaiable blocks + uint32_t freeMap = m_IsFreeBitmap & (~0UL << (memoryClass + 1)); + if (!freeMap) + return VMA_NULL; // No more memory avaible + + // Find lowest free region + memoryClass = VMA_BITSCAN_LSB(freeMap); + innerFreeMap = m_InnerIsFreeBitmap[memoryClass]; + VMA_ASSERT(innerFreeMap != 0); + } + // Find lowest free subregion + listIndex = GetListIndex(memoryClass, VMA_BITSCAN_LSB(innerFreeMap)); + VMA_ASSERT(m_FreeList[listIndex]); + return m_FreeList[listIndex]; +} + +bool VmaBlockMetadata_TLSF::CheckBlock( + Block& block, + uint32_t listIndex, + VkDeviceSize allocSize, + VkDeviceSize allocAlignment, + VmaSuballocationType allocType, + VmaAllocationRequest* pAllocationRequest) +{ + VMA_ASSERT(block.IsFree() && "Block is already taken!"); + + VkDeviceSize alignedOffset = VmaAlignUp(block.offset, allocAlignment); + if (block.size < allocSize + alignedOffset - block.offset) + return false; + + // Check for granularity conflicts + if (!IsVirtual() && + m_GranularityHandler.CheckConflictAndAlignUp(alignedOffset, allocSize, block.offset, block.size, allocType)) + return false; + + // Alloc successful + pAllocationRequest->type = VmaAllocationRequestType::TLSF; + pAllocationRequest->allocHandle = (VmaAllocHandle)█ + pAllocationRequest->size = allocSize - GetDebugMargin(); + pAllocationRequest->customData = (void*)allocType; + pAllocationRequest->algorithmData = alignedOffset; + + // Place block at the start of list if it's normal block + if (listIndex != m_ListsCount && block.PrevFree()) + { + block.PrevFree()->NextFree() = block.NextFree(); + if (block.NextFree()) + block.NextFree()->PrevFree() = block.PrevFree(); + block.PrevFree() = VMA_NULL; + block.NextFree() = m_FreeList[listIndex]; + m_FreeList[listIndex] = █ + if (block.NextFree()) + block.NextFree()->PrevFree() = █ + } + + return true; +} +#endif // _VMA_BLOCK_METADATA_TLSF_FUNCTIONS +#endif // _VMA_BLOCK_METADATA_TLSF + +#ifndef _VMA_BLOCK_VECTOR +/* +Sequence of VmaDeviceMemoryBlock. Represents memory blocks allocated for a specific +Vulkan memory type. + +Synchronized internally with a mutex. +*/ +class VmaBlockVector +{ + friend struct VmaDefragmentationContext_T; + VMA_CLASS_NO_COPY(VmaBlockVector) +public: + VmaBlockVector( + VmaAllocator hAllocator, + VmaPool hParentPool, + uint32_t memoryTypeIndex, + VkDeviceSize preferredBlockSize, + size_t minBlockCount, + size_t maxBlockCount, + VkDeviceSize bufferImageGranularity, + bool explicitBlockSize, + uint32_t algorithm, + float priority, + VkDeviceSize minAllocationAlignment, + void* pMemoryAllocateNext); + ~VmaBlockVector(); + + VmaAllocator GetAllocator() const { return m_hAllocator; } + VmaPool GetParentPool() const { return m_hParentPool; } + bool IsCustomPool() const { return m_hParentPool != VMA_NULL; } + uint32_t GetMemoryTypeIndex() const { return m_MemoryTypeIndex; } + VkDeviceSize GetPreferredBlockSize() const { return m_PreferredBlockSize; } + VkDeviceSize GetBufferImageGranularity() const { return m_BufferImageGranularity; } + uint32_t GetAlgorithm() const { return m_Algorithm; } + bool HasExplicitBlockSize() const { return m_ExplicitBlockSize; } + float GetPriority() const { return m_Priority; } + const void* GetAllocationNextPtr() const { return m_pMemoryAllocateNext; } + // To be used only while the m_Mutex is locked. Used during defragmentation. + size_t GetBlockCount() const { return m_Blocks.size(); } + // To be used only while the m_Mutex is locked. Used during defragmentation. + VmaDeviceMemoryBlock* GetBlock(size_t index) const { return m_Blocks[index]; } + VMA_RW_MUTEX &GetMutex() { return m_Mutex; } + + VkResult CreateMinBlocks(); + void AddStatistics(VmaStatistics& inoutStats); + void AddDetailedStatistics(VmaDetailedStatistics& inoutStats); + bool IsEmpty(); + bool IsCorruptionDetectionEnabled() const; + + VkResult Allocate( + VkDeviceSize size, + VkDeviceSize alignment, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + size_t allocationCount, + VmaAllocation* pAllocations); + + void Free(const VmaAllocation hAllocation); + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json); +#endif + + VkResult CheckCorruption(); + +private: + const VmaAllocator m_hAllocator; + const VmaPool m_hParentPool; + const uint32_t m_MemoryTypeIndex; + const VkDeviceSize m_PreferredBlockSize; + const size_t m_MinBlockCount; + const size_t m_MaxBlockCount; + const VkDeviceSize m_BufferImageGranularity; + const bool m_ExplicitBlockSize; + const uint32_t m_Algorithm; + const float m_Priority; + const VkDeviceSize m_MinAllocationAlignment; + + void* const m_pMemoryAllocateNext; + VMA_RW_MUTEX m_Mutex; + // Incrementally sorted by sumFreeSize, ascending. + VmaVector<VmaDeviceMemoryBlock*, VmaStlAllocator<VmaDeviceMemoryBlock*>> m_Blocks; + uint32_t m_NextBlockId; + bool m_IncrementalSort = true; + + void SetIncrementalSort(bool val) { m_IncrementalSort = val; } + + VkDeviceSize CalcMaxBlockSize() const; + // Finds and removes given block from vector. + void Remove(VmaDeviceMemoryBlock* pBlock); + // Performs single step in sorting m_Blocks. They may not be fully sorted + // after this call. + void IncrementallySortBlocks(); + void SortByFreeSize(); + + VkResult AllocatePage( + VkDeviceSize size, + VkDeviceSize alignment, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + VmaAllocation* pAllocation); + + VkResult AllocateFromBlock( + VmaDeviceMemoryBlock* pBlock, + VkDeviceSize size, + VkDeviceSize alignment, + VmaAllocationCreateFlags allocFlags, + void* pUserData, + VmaSuballocationType suballocType, + uint32_t strategy, + VmaAllocation* pAllocation); + + VkResult CommitAllocationRequest( + VmaAllocationRequest& allocRequest, + VmaDeviceMemoryBlock* pBlock, + VkDeviceSize alignment, + VmaAllocationCreateFlags allocFlags, + void* pUserData, + VmaSuballocationType suballocType, + VmaAllocation* pAllocation); + + VkResult CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex); + bool HasEmptyBlock(); +}; +#endif // _VMA_BLOCK_VECTOR + +#ifndef _VMA_DEFRAGMENTATION_CONTEXT +struct VmaDefragmentationContext_T +{ + VMA_CLASS_NO_COPY(VmaDefragmentationContext_T) +public: + VmaDefragmentationContext_T( + VmaAllocator hAllocator, + const VmaDefragmentationInfo& info); + ~VmaDefragmentationContext_T(); + + void GetStats(VmaDefragmentationStats& outStats) { outStats = m_GlobalStats; } + + VkResult DefragmentPassBegin(VmaDefragmentationPassMoveInfo& moveInfo); + VkResult DefragmentPassEnd(VmaDefragmentationPassMoveInfo& moveInfo); + +private: + // Max number of allocations to ignore due to size constraints before ending single pass + static const uint8_t MAX_ALLOCS_TO_IGNORE = 16; + enum class CounterStatus { Pass, Ignore, End }; + + struct FragmentedBlock + { + uint32_t data; + VmaDeviceMemoryBlock* block; + }; + struct StateBalanced + { + VkDeviceSize avgFreeSize = 0; + VkDeviceSize avgAllocSize = UINT64_MAX; + }; + struct StateExtensive + { + enum class Operation : uint8_t + { + FindFreeBlockBuffer, FindFreeBlockTexture, FindFreeBlockAll, + MoveBuffers, MoveTextures, MoveAll, + Cleanup, Done + }; + + Operation operation = Operation::FindFreeBlockTexture; + size_t firstFreeBlock = SIZE_MAX; + }; + struct MoveAllocationData + { + VkDeviceSize size; + VkDeviceSize alignment; + VmaSuballocationType type; + VmaAllocationCreateFlags flags; + VmaDefragmentationMove move = {}; + }; + + const VkDeviceSize m_MaxPassBytes; + const uint32_t m_MaxPassAllocations; + + VmaStlAllocator<VmaDefragmentationMove> m_MoveAllocator; + VmaVector<VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove>> m_Moves; + + uint8_t m_IgnoredAllocs = 0; + uint32_t m_Algorithm; + uint32_t m_BlockVectorCount; + VmaBlockVector* m_PoolBlockVector; + VmaBlockVector** m_pBlockVectors; + size_t m_ImmovableBlockCount = 0; + VmaDefragmentationStats m_GlobalStats = { 0 }; + VmaDefragmentationStats m_PassStats = { 0 }; + void* m_AlgorithmState = VMA_NULL; + + static MoveAllocationData GetMoveData(VmaAllocHandle handle, VmaBlockMetadata* metadata); + CounterStatus CheckCounters(VkDeviceSize bytes); + bool IncrementCounters(VkDeviceSize bytes); + bool ReallocWithinBlock(VmaBlockVector& vector, VmaDeviceMemoryBlock* block); + bool AllocInOtherBlock(size_t start, size_t end, MoveAllocationData& data, VmaBlockVector& vector); + + bool ComputeDefragmentation(VmaBlockVector& vector, size_t index); + bool ComputeDefragmentation_Fast(VmaBlockVector& vector); + bool ComputeDefragmentation_Balanced(VmaBlockVector& vector, size_t index, bool update); + bool ComputeDefragmentation_Full(VmaBlockVector& vector); + bool ComputeDefragmentation_Extensive(VmaBlockVector& vector, size_t index); + + void UpdateVectorStatistics(VmaBlockVector& vector, StateBalanced& state); + bool MoveDataToFreeBlocks(VmaSuballocationType currentType, + VmaBlockVector& vector, size_t firstFreeBlock, + bool& texturePresent, bool& bufferPresent, bool& otherPresent); +}; +#endif // _VMA_DEFRAGMENTATION_CONTEXT + +#ifndef _VMA_POOL_T +struct VmaPool_T +{ + friend struct VmaPoolListItemTraits; + VMA_CLASS_NO_COPY(VmaPool_T) +public: + VmaBlockVector m_BlockVector; + VmaDedicatedAllocationList m_DedicatedAllocations; + + VmaPool_T( + VmaAllocator hAllocator, + const VmaPoolCreateInfo& createInfo, + VkDeviceSize preferredBlockSize); + ~VmaPool_T(); + + uint32_t GetId() const { return m_Id; } + void SetId(uint32_t id) { VMA_ASSERT(m_Id == 0); m_Id = id; } + + const char* GetName() const { return m_Name; } + void SetName(const char* pName); + +#if VMA_STATS_STRING_ENABLED + //void PrintDetailedMap(class VmaStringBuilder& sb); +#endif + +private: + uint32_t m_Id; + char* m_Name; + VmaPool_T* m_PrevPool = VMA_NULL; + VmaPool_T* m_NextPool = VMA_NULL; +}; + +struct VmaPoolListItemTraits +{ + typedef VmaPool_T ItemType; + + static ItemType* GetPrev(const ItemType* item) { return item->m_PrevPool; } + static ItemType* GetNext(const ItemType* item) { return item->m_NextPool; } + static ItemType*& AccessPrev(ItemType* item) { return item->m_PrevPool; } + static ItemType*& AccessNext(ItemType* item) { return item->m_NextPool; } +}; +#endif // _VMA_POOL_T + +#ifndef _VMA_CURRENT_BUDGET_DATA +struct VmaCurrentBudgetData +{ + VMA_ATOMIC_UINT32 m_BlockCount[VK_MAX_MEMORY_HEAPS]; + VMA_ATOMIC_UINT32 m_AllocationCount[VK_MAX_MEMORY_HEAPS]; + VMA_ATOMIC_UINT64 m_BlockBytes[VK_MAX_MEMORY_HEAPS]; + VMA_ATOMIC_UINT64 m_AllocationBytes[VK_MAX_MEMORY_HEAPS]; + +#if VMA_MEMORY_BUDGET + VMA_ATOMIC_UINT32 m_OperationsSinceBudgetFetch; + VMA_RW_MUTEX m_BudgetMutex; + uint64_t m_VulkanUsage[VK_MAX_MEMORY_HEAPS]; + uint64_t m_VulkanBudget[VK_MAX_MEMORY_HEAPS]; + uint64_t m_BlockBytesAtBudgetFetch[VK_MAX_MEMORY_HEAPS]; +#endif // VMA_MEMORY_BUDGET + + VmaCurrentBudgetData(); + + void AddAllocation(uint32_t heapIndex, VkDeviceSize allocationSize); + void RemoveAllocation(uint32_t heapIndex, VkDeviceSize allocationSize); +}; + +#ifndef _VMA_CURRENT_BUDGET_DATA_FUNCTIONS +VmaCurrentBudgetData::VmaCurrentBudgetData() +{ + for (uint32_t heapIndex = 0; heapIndex < VK_MAX_MEMORY_HEAPS; ++heapIndex) + { + m_BlockCount[heapIndex] = 0; + m_AllocationCount[heapIndex] = 0; + m_BlockBytes[heapIndex] = 0; + m_AllocationBytes[heapIndex] = 0; +#if VMA_MEMORY_BUDGET + m_VulkanUsage[heapIndex] = 0; + m_VulkanBudget[heapIndex] = 0; + m_BlockBytesAtBudgetFetch[heapIndex] = 0; +#endif + } + +#if VMA_MEMORY_BUDGET + m_OperationsSinceBudgetFetch = 0; +#endif +} + +void VmaCurrentBudgetData::AddAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) +{ + m_AllocationBytes[heapIndex] += allocationSize; + ++m_AllocationCount[heapIndex]; +#if VMA_MEMORY_BUDGET + ++m_OperationsSinceBudgetFetch; +#endif +} + +void VmaCurrentBudgetData::RemoveAllocation(uint32_t heapIndex, VkDeviceSize allocationSize) +{ + VMA_ASSERT(m_AllocationBytes[heapIndex] >= allocationSize); + m_AllocationBytes[heapIndex] -= allocationSize; + VMA_ASSERT(m_AllocationCount[heapIndex] > 0); + --m_AllocationCount[heapIndex]; +#if VMA_MEMORY_BUDGET + ++m_OperationsSinceBudgetFetch; +#endif +} +#endif // _VMA_CURRENT_BUDGET_DATA_FUNCTIONS +#endif // _VMA_CURRENT_BUDGET_DATA + +#ifndef _VMA_ALLOCATION_OBJECT_ALLOCATOR +/* +Thread-safe wrapper over VmaPoolAllocator free list, for allocation of VmaAllocation_T objects. +*/ +class VmaAllocationObjectAllocator +{ + VMA_CLASS_NO_COPY(VmaAllocationObjectAllocator) +public: + VmaAllocationObjectAllocator(const VkAllocationCallbacks* pAllocationCallbacks) + : m_Allocator(pAllocationCallbacks, 1024) {} + + template<typename... Types> VmaAllocation Allocate(Types&&... args); + void Free(VmaAllocation hAlloc); + +private: + VMA_MUTEX m_Mutex; + VmaPoolAllocator<VmaAllocation_T> m_Allocator; +}; + +template<typename... Types> +VmaAllocation VmaAllocationObjectAllocator::Allocate(Types&&... args) +{ + VmaMutexLock mutexLock(m_Mutex); + return m_Allocator.Alloc<Types...>(std::forward<Types>(args)...); +} + +void VmaAllocationObjectAllocator::Free(VmaAllocation hAlloc) +{ + VmaMutexLock mutexLock(m_Mutex); + m_Allocator.Free(hAlloc); +} +#endif // _VMA_ALLOCATION_OBJECT_ALLOCATOR + +#ifndef _VMA_VIRTUAL_BLOCK_T +struct VmaVirtualBlock_T +{ + VMA_CLASS_NO_COPY(VmaVirtualBlock_T) +public: + const bool m_AllocationCallbacksSpecified; + const VkAllocationCallbacks m_AllocationCallbacks; + + VmaVirtualBlock_T(const VmaVirtualBlockCreateInfo& createInfo); + ~VmaVirtualBlock_T(); + + VkResult Init() { return VK_SUCCESS; } + bool IsEmpty() const { return m_Metadata->IsEmpty(); } + void Free(VmaVirtualAllocation allocation) { m_Metadata->Free((VmaAllocHandle)allocation); } + void SetAllocationUserData(VmaVirtualAllocation allocation, void* userData) { m_Metadata->SetAllocationUserData((VmaAllocHandle)allocation, userData); } + void Clear() { m_Metadata->Clear(); } + + const VkAllocationCallbacks* GetAllocationCallbacks() const; + void GetAllocationInfo(VmaVirtualAllocation allocation, VmaVirtualAllocationInfo& outInfo); + VkResult Allocate(const VmaVirtualAllocationCreateInfo& createInfo, VmaVirtualAllocation& outAllocation, + VkDeviceSize* outOffset); + void GetStatistics(VmaStatistics& outStats) const; + void CalculateDetailedStatistics(VmaDetailedStatistics& outStats) const; +#if VMA_STATS_STRING_ENABLED + void BuildStatsString(bool detailedMap, VmaStringBuilder& sb) const; +#endif + +private: + VmaBlockMetadata* m_Metadata; +}; + +#ifndef _VMA_VIRTUAL_BLOCK_T_FUNCTIONS +VmaVirtualBlock_T::VmaVirtualBlock_T(const VmaVirtualBlockCreateInfo& createInfo) + : m_AllocationCallbacksSpecified(createInfo.pAllocationCallbacks != VMA_NULL), + m_AllocationCallbacks(createInfo.pAllocationCallbacks != VMA_NULL ? *createInfo.pAllocationCallbacks : VmaEmptyAllocationCallbacks) +{ + const uint32_t algorithm = createInfo.flags & VMA_VIRTUAL_BLOCK_CREATE_ALGORITHM_MASK; + switch (algorithm) + { default: VMA_ASSERT(0); + case 0: + m_Metadata = vma_new(GetAllocationCallbacks(), VmaBlockMetadata_TLSF)(VK_NULL_HANDLE, 1, true); + break; + case VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT: + m_Metadata = vma_new(GetAllocationCallbacks(), VmaBlockMetadata_Linear)(VK_NULL_HANDLE, 1, true); + break; } + + m_Metadata->Init(createInfo.size); } -#endif // #if VMA_STATS_STRING_ENABLED +VmaVirtualBlock_T::~VmaVirtualBlock_T() +{ + // Define macro VMA_DEBUG_LOG to receive the list of the unfreed allocations + if (!m_Metadata->IsEmpty()) + m_Metadata->DebugLogAllAllocations(); + // This is the most important assert in the entire library. + // Hitting it means you have some memory leak - unreleased virtual allocations. + VMA_ASSERT(m_Metadata->IsEmpty() && "Some virtual allocations were not freed before destruction of this virtual block!"); -//////////////////////////////////////////////////////////////////////////////// -// class VmaDeviceMemoryBlock + vma_delete(GetAllocationCallbacks(), m_Metadata); +} + +const VkAllocationCallbacks* VmaVirtualBlock_T::GetAllocationCallbacks() const +{ + return m_AllocationCallbacksSpecified ? &m_AllocationCallbacks : VMA_NULL; +} + +void VmaVirtualBlock_T::GetAllocationInfo(VmaVirtualAllocation allocation, VmaVirtualAllocationInfo& outInfo) +{ + m_Metadata->GetAllocationInfo((VmaAllocHandle)allocation, outInfo); +} + +VkResult VmaVirtualBlock_T::Allocate(const VmaVirtualAllocationCreateInfo& createInfo, VmaVirtualAllocation& outAllocation, + VkDeviceSize* outOffset) +{ + VmaAllocationRequest request = {}; + if (m_Metadata->CreateAllocationRequest( + createInfo.size, // allocSize + VMA_MAX(createInfo.alignment, (VkDeviceSize)1), // allocAlignment + (createInfo.flags & VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0, // upperAddress + VMA_SUBALLOCATION_TYPE_UNKNOWN, // allocType - unimportant + createInfo.flags & VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK, // strategy + &request)) + { + m_Metadata->Alloc(request, + VMA_SUBALLOCATION_TYPE_UNKNOWN, // type - unimportant + createInfo.pUserData); + outAllocation = (VmaVirtualAllocation)request.allocHandle; + if(outOffset) + *outOffset = m_Metadata->GetAllocationOffset(request.allocHandle); + return VK_SUCCESS; + } + outAllocation = (VmaVirtualAllocation)VK_NULL_HANDLE; + if (outOffset) + *outOffset = UINT64_MAX; + return VK_ERROR_OUT_OF_DEVICE_MEMORY; +} + +void VmaVirtualBlock_T::GetStatistics(VmaStatistics& outStats) const +{ + VmaClearStatistics(outStats); + m_Metadata->AddStatistics(outStats); +} + +void VmaVirtualBlock_T::CalculateDetailedStatistics(VmaDetailedStatistics& outStats) const +{ + VmaClearDetailedStatistics(outStats); + m_Metadata->AddDetailedStatistics(outStats); +} + +#if VMA_STATS_STRING_ENABLED +void VmaVirtualBlock_T::BuildStatsString(bool detailedMap, VmaStringBuilder& sb) const +{ + VmaJsonWriter json(GetAllocationCallbacks(), sb); + json.BeginObject(); + + VmaDetailedStatistics stats; + CalculateDetailedStatistics(stats); + + json.WriteString("Stats"); + VmaPrintDetailedStatistics(json, stats); + + if (detailedMap) + { + json.WriteString("Details"); + json.BeginObject(); + m_Metadata->PrintDetailedMap(json); + json.EndObject(); + } + + json.EndObject(); +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_VIRTUAL_BLOCK_T_FUNCTIONS +#endif // _VMA_VIRTUAL_BLOCK_T + + +// Main allocator object. +struct VmaAllocator_T +{ + VMA_CLASS_NO_COPY(VmaAllocator_T) +public: + bool m_UseMutex; + uint32_t m_VulkanApiVersion; + bool m_UseKhrDedicatedAllocation; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). + bool m_UseKhrBindMemory2; // Can be set only if m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0). + bool m_UseExtMemoryBudget; + bool m_UseAmdDeviceCoherentMemory; + bool m_UseKhrBufferDeviceAddress; + bool m_UseExtMemoryPriority; + VkDevice m_hDevice; + VkInstance m_hInstance; + bool m_AllocationCallbacksSpecified; + VkAllocationCallbacks m_AllocationCallbacks; + VmaDeviceMemoryCallbacks m_DeviceMemoryCallbacks; + VmaAllocationObjectAllocator m_AllocationObjectAllocator; + + // Each bit (1 << i) is set if HeapSizeLimit is enabled for that heap, so cannot allocate more than the heap size. + uint32_t m_HeapSizeLimitMask; + + VkPhysicalDeviceProperties m_PhysicalDeviceProperties; + VkPhysicalDeviceMemoryProperties m_MemProps; + + // Default pools. + VmaBlockVector* m_pBlockVectors[VK_MAX_MEMORY_TYPES]; + VmaDedicatedAllocationList m_DedicatedAllocations[VK_MAX_MEMORY_TYPES]; + + VmaCurrentBudgetData m_Budget; + VMA_ATOMIC_UINT32 m_DeviceMemoryCount; // Total number of VkDeviceMemory objects. + + VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo); + VkResult Init(const VmaAllocatorCreateInfo* pCreateInfo); + ~VmaAllocator_T(); + + const VkAllocationCallbacks* GetAllocationCallbacks() const + { + return m_AllocationCallbacksSpecified ? &m_AllocationCallbacks : VMA_NULL; + } + const VmaVulkanFunctions& GetVulkanFunctions() const + { + return m_VulkanFunctions; + } + + VkPhysicalDevice GetPhysicalDevice() const { return m_PhysicalDevice; } + + VkDeviceSize GetBufferImageGranularity() const + { + return VMA_MAX( + static_cast<VkDeviceSize>(VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY), + m_PhysicalDeviceProperties.limits.bufferImageGranularity); + } + + uint32_t GetMemoryHeapCount() const { return m_MemProps.memoryHeapCount; } + uint32_t GetMemoryTypeCount() const { return m_MemProps.memoryTypeCount; } + + uint32_t MemoryTypeIndexToHeapIndex(uint32_t memTypeIndex) const + { + VMA_ASSERT(memTypeIndex < m_MemProps.memoryTypeCount); + return m_MemProps.memoryTypes[memTypeIndex].heapIndex; + } + // True when specific memory type is HOST_VISIBLE but not HOST_COHERENT. + bool IsMemoryTypeNonCoherent(uint32_t memTypeIndex) const + { + return (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) == + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; + } + // Minimum alignment for all allocations in specific memory type. + VkDeviceSize GetMemoryTypeMinAlignment(uint32_t memTypeIndex) const + { + return IsMemoryTypeNonCoherent(memTypeIndex) ? + VMA_MAX((VkDeviceSize)VMA_MIN_ALIGNMENT, m_PhysicalDeviceProperties.limits.nonCoherentAtomSize) : + (VkDeviceSize)VMA_MIN_ALIGNMENT; + } + + bool IsIntegratedGpu() const + { + return m_PhysicalDeviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU; + } + + uint32_t GetGlobalMemoryTypeBits() const { return m_GlobalMemoryTypeBits; } + + void GetBufferMemoryRequirements( + VkBuffer hBuffer, + VkMemoryRequirements& memReq, + bool& requiresDedicatedAllocation, + bool& prefersDedicatedAllocation) const; + void GetImageMemoryRequirements( + VkImage hImage, + VkMemoryRequirements& memReq, + bool& requiresDedicatedAllocation, + bool& prefersDedicatedAllocation) const; + VkResult FindMemoryTypeIndex( + uint32_t memoryTypeBits, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + VkFlags bufImgUsage, // VkBufferCreateInfo::usage or VkImageCreateInfo::usage. UINT32_MAX if unknown. + uint32_t* pMemoryTypeIndex) const; + + // Main allocation function. + VkResult AllocateMemory( + const VkMemoryRequirements& vkMemReq, + bool requiresDedicatedAllocation, + bool prefersDedicatedAllocation, + VkBuffer dedicatedBuffer, + VkImage dedicatedImage, + VkFlags dedicatedBufferImageUsage, // UINT32_MAX if unknown. + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + size_t allocationCount, + VmaAllocation* pAllocations); + + // Main deallocation function. + void FreeMemory( + size_t allocationCount, + const VmaAllocation* pAllocations); + + void CalculateStatistics(VmaTotalStatistics* pStats); + + void GetHeapBudgets( + VmaBudget* outBudgets, uint32_t firstHeap, uint32_t heapCount); + +#if VMA_STATS_STRING_ENABLED + void PrintDetailedMap(class VmaJsonWriter& json); +#endif + + void GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationInfo* pAllocationInfo); -VmaDeviceMemoryBlock::VmaDeviceMemoryBlock(VmaAllocator /*hAllocator*/) : - m_pMetadata(VMA_NULL), + VkResult CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool); + void DestroyPool(VmaPool pool); + void GetPoolStatistics(VmaPool pool, VmaStatistics* pPoolStats); + void CalculatePoolStatistics(VmaPool pool, VmaDetailedStatistics* pPoolStats); + + void SetCurrentFrameIndex(uint32_t frameIndex); + uint32_t GetCurrentFrameIndex() const { return m_CurrentFrameIndex.load(); } + + VkResult CheckPoolCorruption(VmaPool hPool); + VkResult CheckCorruption(uint32_t memoryTypeBits); + + // Call to Vulkan function vkAllocateMemory with accompanying bookkeeping. + VkResult AllocateVulkanMemory(const VkMemoryAllocateInfo* pAllocateInfo, VkDeviceMemory* pMemory); + // Call to Vulkan function vkFreeMemory with accompanying bookkeeping. + void FreeVulkanMemory(uint32_t memoryType, VkDeviceSize size, VkDeviceMemory hMemory); + // Call to Vulkan function vkBindBufferMemory or vkBindBufferMemory2KHR. + VkResult BindVulkanBuffer( + VkDeviceMemory memory, + VkDeviceSize memoryOffset, + VkBuffer buffer, + const void* pNext); + // Call to Vulkan function vkBindImageMemory or vkBindImageMemory2KHR. + VkResult BindVulkanImage( + VkDeviceMemory memory, + VkDeviceSize memoryOffset, + VkImage image, + const void* pNext); + + VkResult Map(VmaAllocation hAllocation, void** ppData); + void Unmap(VmaAllocation hAllocation); + + VkResult BindBufferMemory( + VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkBuffer hBuffer, + const void* pNext); + VkResult BindImageMemory( + VmaAllocation hAllocation, + VkDeviceSize allocationLocalOffset, + VkImage hImage, + const void* pNext); + + VkResult FlushOrInvalidateAllocation( + VmaAllocation hAllocation, + VkDeviceSize offset, VkDeviceSize size, + VMA_CACHE_OPERATION op); + VkResult FlushOrInvalidateAllocations( + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, const VkDeviceSize* sizes, + VMA_CACHE_OPERATION op); + + void FillAllocation(const VmaAllocation hAllocation, uint8_t pattern); + + /* + Returns bit mask of memory types that can support defragmentation on GPU as + they support creation of required buffer for copy operations. + */ + uint32_t GetGpuDefragmentationMemoryTypeBits(); + +#if VMA_EXTERNAL_MEMORY + VkExternalMemoryHandleTypeFlagsKHR GetExternalMemoryHandleTypeFlags(uint32_t memTypeIndex) const + { + return m_TypeExternalMemoryHandleTypes[memTypeIndex]; + } +#endif // #if VMA_EXTERNAL_MEMORY + +private: + VkDeviceSize m_PreferredLargeHeapBlockSize; + + VkPhysicalDevice m_PhysicalDevice; + VMA_ATOMIC_UINT32 m_CurrentFrameIndex; + VMA_ATOMIC_UINT32 m_GpuDefragmentationMemoryTypeBits; // UINT32_MAX means uninitialized. +#if VMA_EXTERNAL_MEMORY + VkExternalMemoryHandleTypeFlagsKHR m_TypeExternalMemoryHandleTypes[VK_MAX_MEMORY_TYPES]; +#endif // #if VMA_EXTERNAL_MEMORY + + VMA_RW_MUTEX m_PoolsMutex; + typedef VmaIntrusiveLinkedList<VmaPoolListItemTraits> PoolList; + // Protected by m_PoolsMutex. + PoolList m_Pools; + uint32_t m_NextPoolId; + + VmaVulkanFunctions m_VulkanFunctions; + + // Global bit mask AND-ed with any memoryTypeBits to disallow certain memory types. + uint32_t m_GlobalMemoryTypeBits; + + void ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions); + +#if VMA_STATIC_VULKAN_FUNCTIONS == 1 + void ImportVulkanFunctions_Static(); +#endif + + void ImportVulkanFunctions_Custom(const VmaVulkanFunctions* pVulkanFunctions); + +#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + void ImportVulkanFunctions_Dynamic(); +#endif + + void ValidateVulkanFunctions(); + + VkDeviceSize CalcPreferredBlockSize(uint32_t memTypeIndex); + + VkResult AllocateMemoryOfType( + VmaPool pool, + VkDeviceSize size, + VkDeviceSize alignment, + bool dedicatedPreferred, + VkBuffer dedicatedBuffer, + VkImage dedicatedImage, + VkFlags dedicatedBufferImageUsage, + const VmaAllocationCreateInfo& createInfo, + uint32_t memTypeIndex, + VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, + VmaBlockVector& blockVector, + size_t allocationCount, + VmaAllocation* pAllocations); + + // Helper function only to be used inside AllocateDedicatedMemory. + VkResult AllocateDedicatedMemoryPage( + VmaPool pool, + VkDeviceSize size, + VmaSuballocationType suballocType, + uint32_t memTypeIndex, + const VkMemoryAllocateInfo& allocInfo, + bool map, + bool isUserDataString, + bool isMappingAllowed, + void* pUserData, + VmaAllocation* pAllocation); + + // Allocates and registers new VkDeviceMemory specifically for dedicated allocations. + VkResult AllocateDedicatedMemory( + VmaPool pool, + VkDeviceSize size, + VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, + uint32_t memTypeIndex, + bool map, + bool isUserDataString, + bool isMappingAllowed, + bool canAliasMemory, + void* pUserData, + float priority, + VkBuffer dedicatedBuffer, + VkImage dedicatedImage, + VkFlags dedicatedBufferImageUsage, + size_t allocationCount, + VmaAllocation* pAllocations, + const void* pNextChain = nullptr); + + void FreeDedicatedMemory(const VmaAllocation allocation); + + VkResult CalcMemTypeParams( + VmaAllocationCreateInfo& outCreateInfo, + uint32_t memTypeIndex, + VkDeviceSize size, + size_t allocationCount); + VkResult CalcAllocationParams( + VmaAllocationCreateInfo& outCreateInfo, + bool dedicatedRequired, + bool dedicatedPreferred); + + /* + Calculates and returns bit mask of memory types that can support defragmentation + on GPU as they support creation of required buffer for copy operations. + */ + uint32_t CalculateGpuDefragmentationMemoryTypeBits() const; + uint32_t CalculateGlobalMemoryTypeBits() const; + + bool GetFlushOrInvalidateRange( + VmaAllocation allocation, + VkDeviceSize offset, VkDeviceSize size, + VkMappedMemoryRange& outRange) const; + +#if VMA_MEMORY_BUDGET + void UpdateVulkanBudget(); +#endif // #if VMA_MEMORY_BUDGET +}; + + +#ifndef _VMA_MEMORY_FUNCTIONS +static void* VmaMalloc(VmaAllocator hAllocator, size_t size, size_t alignment) +{ + return VmaMalloc(&hAllocator->m_AllocationCallbacks, size, alignment); +} + +static void VmaFree(VmaAllocator hAllocator, void* ptr) +{ + VmaFree(&hAllocator->m_AllocationCallbacks, ptr); +} + +template<typename T> +static T* VmaAllocate(VmaAllocator hAllocator) +{ + return (T*)VmaMalloc(hAllocator, sizeof(T), VMA_ALIGN_OF(T)); +} + +template<typename T> +static T* VmaAllocateArray(VmaAllocator hAllocator, size_t count) +{ + return (T*)VmaMalloc(hAllocator, sizeof(T) * count, VMA_ALIGN_OF(T)); +} + +template<typename T> +static void vma_delete(VmaAllocator hAllocator, T* ptr) +{ + if(ptr != VMA_NULL) + { + ptr->~T(); + VmaFree(hAllocator, ptr); + } +} + +template<typename T> +static void vma_delete_array(VmaAllocator hAllocator, T* ptr, size_t count) +{ + if(ptr != VMA_NULL) + { + for(size_t i = count; i--; ) + ptr[i].~T(); + VmaFree(hAllocator, ptr); + } +} +#endif // _VMA_MEMORY_FUNCTIONS + +#ifndef _VMA_DEVICE_MEMORY_BLOCK_FUNCTIONS +VmaDeviceMemoryBlock::VmaDeviceMemoryBlock(VmaAllocator hAllocator) + : m_pMetadata(VMA_NULL), m_MemoryTypeIndex(UINT32_MAX), m_Id(0), m_hMemory(VK_NULL_HANDLE), m_MapCount(0), - m_pMappedData(VMA_NULL) + m_pMappedData(VMA_NULL) {} + +VmaDeviceMemoryBlock::~VmaDeviceMemoryBlock() { + VMA_ASSERT(m_MapCount == 0 && "VkDeviceMemory block is being destroyed while it is still mapped."); + VMA_ASSERT(m_hMemory == VK_NULL_HANDLE); } void VmaDeviceMemoryBlock::Init( @@ -11510,7 +11742,8 @@ void VmaDeviceMemoryBlock::Init( VkDeviceMemory newMemory, VkDeviceSize newSize, uint32_t id, - uint32_t algorithm) + uint32_t algorithm, + VkDeviceSize bufferImageGranularity) { VMA_ASSERT(m_hMemory == VK_NULL_HANDLE); @@ -11519,25 +11752,27 @@ void VmaDeviceMemoryBlock::Init( m_Id = id; m_hMemory = newMemory; - switch(algorithm) + switch (algorithm) { case VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT: - m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Linear)(hAllocator); - break; - case VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT: - m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Buddy)(hAllocator); + m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Linear)(hAllocator->GetAllocationCallbacks(), + bufferImageGranularity, false); // isVirtual break; default: VMA_ASSERT(0); // Fall-through. case 0: - m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_Generic)(hAllocator); + m_pMetadata = vma_new(hAllocator, VmaBlockMetadata_TLSF)(hAllocator->GetAllocationCallbacks(), + bufferImageGranularity, false); // isVirtual } m_pMetadata->Init(newSize); } void VmaDeviceMemoryBlock::Destroy(VmaAllocator allocator) { + // Define macro VMA_DEBUG_LOG to receive the list of the unfreed allocations + if (!m_pMetadata->IsEmpty()) + m_pMetadata->DebugLogAllAllocations(); // This is the most important assert in the entire library. // Hitting it means you have some memory leak - unreleased VmaAllocation objects. VMA_ASSERT(m_pMetadata->IsEmpty() && "Some allocations were not freed before destruction of this memory block!"); @@ -11550,11 +11785,24 @@ void VmaDeviceMemoryBlock::Destroy(VmaAllocator allocator) m_pMetadata = VMA_NULL; } +void VmaDeviceMemoryBlock::PostFree(VmaAllocator hAllocator) +{ + if(m_MappingHysteresis.PostFree()) + { + VMA_ASSERT(m_MappingHysteresis.GetExtraMapping() == 0); + if (m_MapCount == 0) + { + m_pMappedData = VMA_NULL; + (*hAllocator->GetVulkanFunctions().vkUnmapMemory)(hAllocator->m_hDevice, m_hMemory); + } + } +} + bool VmaDeviceMemoryBlock::Validate() const { VMA_VALIDATE((m_hMemory != VK_NULL_HANDLE) && (m_pMetadata->GetSize() != 0)); - + return m_pMetadata->Validate(); } @@ -11562,7 +11810,7 @@ VkResult VmaDeviceMemoryBlock::CheckCorruption(VmaAllocator hAllocator) { void* pData = nullptr; VkResult res = Map(hAllocator, 1, &pData); - if(res != VK_SUCCESS) + if (res != VK_SUCCESS) { return res; } @@ -11576,17 +11824,19 @@ VkResult VmaDeviceMemoryBlock::CheckCorruption(VmaAllocator hAllocator) VkResult VmaDeviceMemoryBlock::Map(VmaAllocator hAllocator, uint32_t count, void** ppData) { - if(count == 0) + if (count == 0) { return VK_SUCCESS; } - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); - if(m_MapCount != 0) + VmaMutexLock lock(m_MapAndBindMutex, hAllocator->m_UseMutex); + const uint32_t oldTotalMapCount = m_MapCount + m_MappingHysteresis.GetExtraMapping(); + m_MappingHysteresis.PostMap(); + if (oldTotalMapCount != 0) { m_MapCount += count; VMA_ASSERT(m_pMappedData != VMA_NULL); - if(ppData != VMA_NULL) + if (ppData != VMA_NULL) { *ppData = m_pMappedData; } @@ -11601,9 +11851,9 @@ VkResult VmaDeviceMemoryBlock::Map(VmaAllocator hAllocator, uint32_t count, void VK_WHOLE_SIZE, 0, // flags &m_pMappedData); - if(result == VK_SUCCESS) + if (result == VK_SUCCESS) { - if(ppData != VMA_NULL) + if (ppData != VMA_NULL) { *ppData = m_pMappedData; } @@ -11615,20 +11865,22 @@ VkResult VmaDeviceMemoryBlock::Map(VmaAllocator hAllocator, uint32_t count, void void VmaDeviceMemoryBlock::Unmap(VmaAllocator hAllocator, uint32_t count) { - if(count == 0) + if (count == 0) { return; } - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); - if(m_MapCount >= count) + VmaMutexLock lock(m_MapAndBindMutex, hAllocator->m_UseMutex); + if (m_MapCount >= count) { m_MapCount -= count; - if(m_MapCount == 0) + const uint32_t totalMapCount = m_MapCount + m_MappingHysteresis.GetExtraMapping(); + if (totalMapCount == 0) { m_pMappedData = VMA_NULL; (*hAllocator->GetVulkanFunctions().vkUnmapMemory)(hAllocator->m_hDevice, m_hMemory); } + m_MappingHysteresis.PostUnmap(); } else { @@ -11636,49 +11888,40 @@ void VmaDeviceMemoryBlock::Unmap(VmaAllocator hAllocator, uint32_t count) } } -VkResult VmaDeviceMemoryBlock::WriteMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) +VkResult VmaDeviceMemoryBlock::WriteMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) { VMA_ASSERT(VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_MARGIN % 4 == 0 && VMA_DEBUG_DETECT_CORRUPTION); - VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN); void* pData; VkResult res = Map(hAllocator, 1, &pData); - if(res != VK_SUCCESS) + if (res != VK_SUCCESS) { return res; } - VmaWriteMagicValue(pData, allocOffset - VMA_DEBUG_MARGIN); VmaWriteMagicValue(pData, allocOffset + allocSize); Unmap(hAllocator, 1); - return VK_SUCCESS; } -VkResult VmaDeviceMemoryBlock::ValidateMagicValueAroundAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) +VkResult VmaDeviceMemoryBlock::ValidateMagicValueAfterAllocation(VmaAllocator hAllocator, VkDeviceSize allocOffset, VkDeviceSize allocSize) { VMA_ASSERT(VMA_DEBUG_MARGIN > 0 && VMA_DEBUG_MARGIN % 4 == 0 && VMA_DEBUG_DETECT_CORRUPTION); - VMA_ASSERT(allocOffset >= VMA_DEBUG_MARGIN); void* pData; VkResult res = Map(hAllocator, 1, &pData); - if(res != VK_SUCCESS) + if (res != VK_SUCCESS) { return res; } - if(!VmaValidateMagicValue(pData, allocOffset - VMA_DEBUG_MARGIN)) - { - VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED BEFORE FREED ALLOCATION!"); - } - else if(!VmaValidateMagicValue(pData, allocOffset + allocSize)) + if (!VmaValidateMagicValue(pData, allocOffset + allocSize)) { VMA_ASSERT(0 && "MEMORY CORRUPTION DETECTED AFTER FREED ALLOCATION!"); } Unmap(hAllocator, 1); - return VK_SUCCESS; } @@ -11695,7 +11938,7 @@ VkResult VmaDeviceMemoryBlock::BindBufferMemory( "Invalid allocationLocalOffset. Did you forget that this offset is relative to the beginning of the allocation, not the whole memory block?"); const VkDeviceSize memoryOffset = hAllocation->GetOffset() + allocationLocalOffset; // This lock is important so that we don't call vkBind... and/or vkMap... simultaneously on the same VkDeviceMemory from multiple threads. - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); + VmaMutexLock lock(m_MapAndBindMutex, hAllocator->m_UseMutex); return hAllocator->BindVulkanBuffer(m_hMemory, memoryOffset, hBuffer, pNext); } @@ -11712,82 +11955,332 @@ VkResult VmaDeviceMemoryBlock::BindImageMemory( "Invalid allocationLocalOffset. Did you forget that this offset is relative to the beginning of the allocation, not the whole memory block?"); const VkDeviceSize memoryOffset = hAllocation->GetOffset() + allocationLocalOffset; // This lock is important so that we don't call vkBind... and/or vkMap... simultaneously on the same VkDeviceMemory from multiple threads. - VmaMutexLock lock(m_Mutex, hAllocator->m_UseMutex); + VmaMutexLock lock(m_MapAndBindMutex, hAllocator->m_UseMutex); return hAllocator->BindVulkanImage(m_hMemory, memoryOffset, hImage, pNext); } +#endif // _VMA_DEVICE_MEMORY_BLOCK_FUNCTIONS + +#ifndef _VMA_ALLOCATION_T_FUNCTIONS +VmaAllocation_T::VmaAllocation_T(bool mappingAllowed) + : m_Alignment{ 1 }, + m_Size{ 0 }, + m_pUserData{ VMA_NULL }, + m_pName{ VMA_NULL }, + m_MemoryTypeIndex{ 0 }, + m_Type{ (uint8_t)ALLOCATION_TYPE_NONE }, + m_SuballocationType{ (uint8_t)VMA_SUBALLOCATION_TYPE_UNKNOWN }, + m_MapCount{ 0 }, + m_Flags{ 0 } +{ + if(mappingAllowed) + m_Flags |= (uint8_t)FLAG_MAPPING_ALLOWED; + +#if VMA_STATS_STRING_ENABLED + m_BufferImageUsage = 0; +#endif +} -static void InitStatInfo(VmaStatInfo& outInfo) +VmaAllocation_T::~VmaAllocation_T() { - memset(&outInfo, 0, sizeof(outInfo)); - outInfo.allocationSizeMin = UINT64_MAX; - outInfo.unusedRangeSizeMin = UINT64_MAX; + VMA_ASSERT(m_MapCount == 0 && "Allocation was not unmapped before destruction."); + + // Check if owned string was freed. + VMA_ASSERT(m_pName == VMA_NULL); } -// Adds statistics srcInfo into inoutInfo, like: inoutInfo += srcInfo. -static void VmaAddStatInfo(VmaStatInfo& inoutInfo, const VmaStatInfo& srcInfo) +void VmaAllocation_T::InitBlockAllocation( + VmaDeviceMemoryBlock* block, + VmaAllocHandle allocHandle, + VkDeviceSize alignment, + VkDeviceSize size, + uint32_t memoryTypeIndex, + VmaSuballocationType suballocationType, + bool mapped) { - inoutInfo.blockCount += srcInfo.blockCount; - inoutInfo.allocationCount += srcInfo.allocationCount; - inoutInfo.unusedRangeCount += srcInfo.unusedRangeCount; - inoutInfo.usedBytes += srcInfo.usedBytes; - inoutInfo.unusedBytes += srcInfo.unusedBytes; - inoutInfo.allocationSizeMin = VMA_MIN(inoutInfo.allocationSizeMin, srcInfo.allocationSizeMin); - inoutInfo.allocationSizeMax = VMA_MAX(inoutInfo.allocationSizeMax, srcInfo.allocationSizeMax); - inoutInfo.unusedRangeSizeMin = VMA_MIN(inoutInfo.unusedRangeSizeMin, srcInfo.unusedRangeSizeMin); - inoutInfo.unusedRangeSizeMax = VMA_MAX(inoutInfo.unusedRangeSizeMax, srcInfo.unusedRangeSizeMax); + VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); + VMA_ASSERT(block != VMA_NULL); + m_Type = (uint8_t)ALLOCATION_TYPE_BLOCK; + m_Alignment = alignment; + m_Size = size; + m_MemoryTypeIndex = memoryTypeIndex; + if(mapped) + { + VMA_ASSERT(IsMappingAllowed() && "Mapping is not allowed on this allocation! Please use one of the new VMA_ALLOCATION_CREATE_HOST_ACCESS_* flags when creating it."); + m_Flags |= (uint8_t)FLAG_PERSISTENT_MAP; + } + m_SuballocationType = (uint8_t)suballocationType; + m_BlockAllocation.m_Block = block; + m_BlockAllocation.m_AllocHandle = allocHandle; } -static void VmaPostprocessCalcStatInfo(VmaStatInfo& inoutInfo) +void VmaAllocation_T::InitDedicatedAllocation( + VmaPool hParentPool, + uint32_t memoryTypeIndex, + VkDeviceMemory hMemory, + VmaSuballocationType suballocationType, + void* pMappedData, + VkDeviceSize size) { - inoutInfo.allocationSizeAvg = (inoutInfo.allocationCount > 0) ? - VmaRoundDiv<VkDeviceSize>(inoutInfo.usedBytes, inoutInfo.allocationCount) : 0; - inoutInfo.unusedRangeSizeAvg = (inoutInfo.unusedRangeCount > 0) ? - VmaRoundDiv<VkDeviceSize>(inoutInfo.unusedBytes, inoutInfo.unusedRangeCount) : 0; + VMA_ASSERT(m_Type == ALLOCATION_TYPE_NONE); + VMA_ASSERT(hMemory != VK_NULL_HANDLE); + m_Type = (uint8_t)ALLOCATION_TYPE_DEDICATED; + m_Alignment = 0; + m_Size = size; + m_MemoryTypeIndex = memoryTypeIndex; + m_SuballocationType = (uint8_t)suballocationType; + if(pMappedData != VMA_NULL) + { + VMA_ASSERT(IsMappingAllowed() && "Mapping is not allowed on this allocation! Please use one of the new VMA_ALLOCATION_CREATE_HOST_ACCESS_* flags when creating it."); + m_Flags |= (uint8_t)FLAG_PERSISTENT_MAP; + } + m_DedicatedAllocation.m_hParentPool = hParentPool; + m_DedicatedAllocation.m_hMemory = hMemory; + m_DedicatedAllocation.m_pMappedData = pMappedData; + m_DedicatedAllocation.m_Prev = VMA_NULL; + m_DedicatedAllocation.m_Next = VMA_NULL; } -VmaPool_T::VmaPool_T( - VmaAllocator hAllocator, - const VmaPoolCreateInfo& createInfo, - VkDeviceSize preferredBlockSize) : - m_BlockVector( - hAllocator, - this, // hParentPool - createInfo.memoryTypeIndex, - createInfo.blockSize != 0 ? createInfo.blockSize : preferredBlockSize, - createInfo.minBlockCount, - createInfo.maxBlockCount, - (createInfo.flags & VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), - createInfo.frameInUseCount, - createInfo.blockSize != 0, // explicitBlockSize - createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK), // algorithm - m_Id(0), - m_Name(VMA_NULL) +void VmaAllocation_T::SetName(VmaAllocator hAllocator, const char* pName) { + VMA_ASSERT(pName == VMA_NULL || pName != m_pName); + + FreeName(hAllocator); + + if (pName != VMA_NULL) + m_pName = VmaCreateStringCopy(hAllocator->GetAllocationCallbacks(), pName); } -VmaPool_T::~VmaPool_T() +uint8_t VmaAllocation_T::SwapBlockAllocation(VmaAllocator hAllocator, VmaAllocation allocation) { + VMA_ASSERT(allocation != VMA_NULL); + VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); + VMA_ASSERT(allocation->m_Type == ALLOCATION_TYPE_BLOCK); + + if (m_MapCount != 0) + m_BlockAllocation.m_Block->Unmap(hAllocator, m_MapCount); + + m_BlockAllocation.m_Block->m_pMetadata->SetAllocationUserData(m_BlockAllocation.m_AllocHandle, allocation); + VMA_SWAP(m_BlockAllocation, allocation->m_BlockAllocation); + m_BlockAllocation.m_Block->m_pMetadata->SetAllocationUserData(m_BlockAllocation.m_AllocHandle, this); + +#if VMA_STATS_STRING_ENABLED + VMA_SWAP(m_BufferImageUsage, allocation->m_BufferImageUsage); +#endif + return m_MapCount; } -void VmaPool_T::SetName(const char* pName) +VmaAllocHandle VmaAllocation_T::GetAllocHandle() const { - const VkAllocationCallbacks* allocs = m_BlockVector.GetAllocator()->GetAllocationCallbacks(); - VmaFreeString(allocs, m_Name); - - if(pName != VMA_NULL) + switch (m_Type) { - m_Name = VmaCreateStringCopy(allocs, pName); + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_AllocHandle; + case ALLOCATION_TYPE_DEDICATED: + return VK_NULL_HANDLE; + default: + VMA_ASSERT(0); + return VK_NULL_HANDLE; + } +} + +VkDeviceSize VmaAllocation_T::GetOffset() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_Block->m_pMetadata->GetAllocationOffset(m_BlockAllocation.m_AllocHandle); + case ALLOCATION_TYPE_DEDICATED: + return 0; + default: + VMA_ASSERT(0); + return 0; + } +} + +VmaPool VmaAllocation_T::GetParentPool() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_Block->GetParentPool(); + case ALLOCATION_TYPE_DEDICATED: + return m_DedicatedAllocation.m_hParentPool; + default: + VMA_ASSERT(0); + return VK_NULL_HANDLE; + } +} + +VkDeviceMemory VmaAllocation_T::GetMemory() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + return m_BlockAllocation.m_Block->GetDeviceMemory(); + case ALLOCATION_TYPE_DEDICATED: + return m_DedicatedAllocation.m_hMemory; + default: + VMA_ASSERT(0); + return VK_NULL_HANDLE; + } +} + +void* VmaAllocation_T::GetMappedData() const +{ + switch (m_Type) + { + case ALLOCATION_TYPE_BLOCK: + if (m_MapCount != 0 || IsPersistentMap()) + { + void* pBlockData = m_BlockAllocation.m_Block->GetMappedData(); + VMA_ASSERT(pBlockData != VMA_NULL); + return (char*)pBlockData + GetOffset(); + } + else + { + return VMA_NULL; + } + break; + case ALLOCATION_TYPE_DEDICATED: + VMA_ASSERT((m_DedicatedAllocation.m_pMappedData != VMA_NULL) == (m_MapCount != 0 || IsPersistentMap())); + return m_DedicatedAllocation.m_pMappedData; + default: + VMA_ASSERT(0); + return VMA_NULL; + } +} + +void VmaAllocation_T::BlockAllocMap() +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); + VMA_ASSERT(IsMappingAllowed() && "Mapping is not allowed on this allocation! Please use one of the new VMA_ALLOCATION_CREATE_HOST_ACCESS_* flags when creating it."); + + if (m_MapCount < 0xFF) + { + ++m_MapCount; } else { - m_Name = VMA_NULL; + VMA_ASSERT(0 && "Allocation mapped too many times simultaneously."); + } +} + +void VmaAllocation_T::BlockAllocUnmap() +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_BLOCK); + + if (m_MapCount > 0) + { + --m_MapCount; + } + else + { + VMA_ASSERT(0 && "Unmapping allocation not previously mapped."); + } +} + +VkResult VmaAllocation_T::DedicatedAllocMap(VmaAllocator hAllocator, void** ppData) +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); + VMA_ASSERT(IsMappingAllowed() && "Mapping is not allowed on this allocation! Please use one of the new VMA_ALLOCATION_CREATE_HOST_ACCESS_* flags when creating it."); + + if (m_MapCount != 0 || IsPersistentMap()) + { + if (m_MapCount < 0xFF) + { + VMA_ASSERT(m_DedicatedAllocation.m_pMappedData != VMA_NULL); + *ppData = m_DedicatedAllocation.m_pMappedData; + ++m_MapCount; + return VK_SUCCESS; + } + else + { + VMA_ASSERT(0 && "Dedicated allocation mapped too many times simultaneously."); + return VK_ERROR_MEMORY_MAP_FAILED; + } + } + else + { + VkResult result = (*hAllocator->GetVulkanFunctions().vkMapMemory)( + hAllocator->m_hDevice, + m_DedicatedAllocation.m_hMemory, + 0, // offset + VK_WHOLE_SIZE, + 0, // flags + ppData); + if (result == VK_SUCCESS) + { + m_DedicatedAllocation.m_pMappedData = *ppData; + m_MapCount = 1; + } + return result; + } +} + +void VmaAllocation_T::DedicatedAllocUnmap(VmaAllocator hAllocator) +{ + VMA_ASSERT(GetType() == ALLOCATION_TYPE_DEDICATED); + + if (m_MapCount > 0) + { + --m_MapCount; + if (m_MapCount == 0 && !IsPersistentMap()) + { + m_DedicatedAllocation.m_pMappedData = VMA_NULL; + (*hAllocator->GetVulkanFunctions().vkUnmapMemory)( + hAllocator->m_hDevice, + m_DedicatedAllocation.m_hMemory); + } + } + else + { + VMA_ASSERT(0 && "Unmapping dedicated allocation not previously mapped."); } } #if VMA_STATS_STRING_ENABLED +void VmaAllocation_T::InitBufferImageUsage(uint32_t bufferImageUsage) +{ + VMA_ASSERT(m_BufferImageUsage == 0); + m_BufferImageUsage = bufferImageUsage; +} + +void VmaAllocation_T::PrintParameters(class VmaJsonWriter& json) const +{ + json.WriteString("Type"); + json.WriteString(VMA_SUBALLOCATION_TYPE_NAMES[m_SuballocationType]); + + json.WriteString("Size"); + json.WriteNumber(m_Size); + json.WriteString("Usage"); + json.WriteNumber(m_BufferImageUsage); + + if (m_pUserData != VMA_NULL) + { + json.WriteString("CustomData"); + json.BeginString(); + json.ContinueString_Pointer(m_pUserData); + json.EndString(); + } + if (m_pName != VMA_NULL) + { + json.WriteString("Name"); + json.WriteString(m_pName); + } +} +#endif // VMA_STATS_STRING_ENABLED -#endif // #if VMA_STATS_STRING_ENABLED +void VmaAllocation_T::FreeName(VmaAllocator hAllocator) +{ + if(m_pName) + { + VmaFreeString(hAllocator->GetAllocationCallbacks(), m_pName); + m_pName = VMA_NULL; + } +} +#endif // _VMA_ALLOCATION_T_FUNCTIONS +#ifndef _VMA_BLOCK_VECTOR_FUNCTIONS VmaBlockVector::VmaBlockVector( VmaAllocator hAllocator, VmaPool hParentPool, @@ -11796,28 +12289,29 @@ VmaBlockVector::VmaBlockVector( size_t minBlockCount, size_t maxBlockCount, VkDeviceSize bufferImageGranularity, - uint32_t frameInUseCount, bool explicitBlockSize, - uint32_t algorithm) : - m_hAllocator(hAllocator), + uint32_t algorithm, + float priority, + VkDeviceSize minAllocationAlignment, + void* pMemoryAllocateNext) + : m_hAllocator(hAllocator), m_hParentPool(hParentPool), m_MemoryTypeIndex(memoryTypeIndex), m_PreferredBlockSize(preferredBlockSize), m_MinBlockCount(minBlockCount), m_MaxBlockCount(maxBlockCount), m_BufferImageGranularity(bufferImageGranularity), - m_FrameInUseCount(frameInUseCount), m_ExplicitBlockSize(explicitBlockSize), m_Algorithm(algorithm), - m_HasEmptyBlock(false), + m_Priority(priority), + m_MinAllocationAlignment(minAllocationAlignment), + m_pMemoryAllocateNext(pMemoryAllocateNext), m_Blocks(VmaStlAllocator<VmaDeviceMemoryBlock*>(hAllocator->GetAllocationCallbacks())), - m_NextBlockId(0) -{ -} + m_NextBlockId(0) {} VmaBlockVector::~VmaBlockVector() { - for(size_t i = m_Blocks.size(); i--; ) + for (size_t i = m_Blocks.size(); i--; ) { m_Blocks[i]->Destroy(m_hAllocator); vma_delete(m_hAllocator, m_Blocks[i]); @@ -11826,10 +12320,10 @@ VmaBlockVector::~VmaBlockVector() VkResult VmaBlockVector::CreateMinBlocks() { - for(size_t i = 0; i < m_MinBlockCount; ++i) + for (size_t i = 0; i < m_MinBlockCount; ++i) { VkResult res = CreateBlock(m_PreferredBlockSize, VMA_NULL); - if(res != VK_SUCCESS) + if (res != VK_SUCCESS) { return res; } @@ -11837,25 +12331,31 @@ VkResult VmaBlockVector::CreateMinBlocks() return VK_SUCCESS; } -void VmaBlockVector::GetPoolStats(VmaPoolStats* pStats) +void VmaBlockVector::AddStatistics(VmaStatistics& inoutStats) { VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); const size_t blockCount = m_Blocks.size(); + for (uint32_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + { + const VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pBlock); + VMA_HEAVY_ASSERT(pBlock->Validate()); + pBlock->m_pMetadata->AddStatistics(inoutStats); + } +} - pStats->size = 0; - pStats->unusedSize = 0; - pStats->allocationCount = 0; - pStats->unusedRangeCount = 0; - pStats->unusedRangeSizeMax = 0; - pStats->blockCount = blockCount; +void VmaBlockVector::AddDetailedStatistics(VmaDetailedStatistics& inoutStats) +{ + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - for(uint32_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + const size_t blockCount = m_Blocks.size(); + for (uint32_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) { const VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; VMA_ASSERT(pBlock); VMA_HEAVY_ASSERT(pBlock->Validate()); - pBlock->m_pMetadata->AddPoolStats(*pStats); + pBlock->m_pMetadata->AddDetailedStatistics(inoutStats); } } @@ -11874,10 +12374,7 @@ bool VmaBlockVector::IsCorruptionDetectionEnabled() const (m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags & requiredMemFlags) == requiredMemFlags; } -static const uint32_t VMA_ALLOCATION_TRY_COUNT = 32; - VkResult VmaBlockVector::Allocate( - uint32_t currentFrameIndex, VkDeviceSize size, VkDeviceSize alignment, const VmaAllocationCreateInfo& createInfo, @@ -11888,7 +12385,9 @@ VkResult VmaBlockVector::Allocate( size_t allocIndex; VkResult res = VK_SUCCESS; - if(IsCorruptionDetectionEnabled()) + alignment = VMA_MAX(alignment, m_MinAllocationAlignment); + + if (IsCorruptionDetectionEnabled()) { size = VmaAlignUp<VkDeviceSize>(size, sizeof(VMA_CORRUPTION_DETECTION_MAGIC_VALUE)); alignment = VmaAlignUp<VkDeviceSize>(alignment, sizeof(VMA_CORRUPTION_DETECTION_MAGIC_VALUE)); @@ -11896,29 +12395,26 @@ VkResult VmaBlockVector::Allocate( { VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); - for(allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + for (allocIndex = 0; allocIndex < allocationCount; ++allocIndex) { res = AllocatePage( - currentFrameIndex, size, alignment, createInfo, suballocType, pAllocations + allocIndex); - if(res != VK_SUCCESS) + if (res != VK_SUCCESS) { break; } } } - if(res != VK_SUCCESS) + if (res != VK_SUCCESS) { // Free all already created allocations. - while(allocIndex--) - { + while (allocIndex--) Free(pAllocations[allocIndex]); - } memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); } @@ -11926,7 +12422,6 @@ VkResult VmaBlockVector::Allocate( } VkResult VmaBlockVector::AllocatePage( - uint32_t currentFrameIndex, VkDeviceSize size, VkDeviceSize alignment, const VmaAllocationCreateInfo& createInfo, @@ -11934,380 +12429,203 @@ VkResult VmaBlockVector::AllocatePage( VmaAllocation* pAllocation) { const bool isUpperAddress = (createInfo.flags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0; - bool canMakeOtherLost = (createInfo.flags & VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT) != 0; - const bool mapped = (createInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0; - const bool isUserDataString = (createInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0; - - //const bool withinBudget = (createInfo.flags & VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT) != 0; + VkDeviceSize freeMemory; { const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); VmaBudget heapBudget = {}; - m_hAllocator->GetBudget(&heapBudget, heapIndex, 1); + m_hAllocator->GetHeapBudgets(&heapBudget, heapIndex, 1); freeMemory = (heapBudget.usage < heapBudget.budget) ? (heapBudget.budget - heapBudget.usage) : 0; } - - const bool canFallbackToDedicated = !IsCustomPool(); + + const bool canFallbackToDedicated = !HasExplicitBlockSize() && + (createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0; const bool canCreateNewBlock = ((createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0) && (m_Blocks.size() < m_MaxBlockCount) && (freeMemory >= size || !canFallbackToDedicated); uint32_t strategy = createInfo.flags & VMA_ALLOCATION_CREATE_STRATEGY_MASK; - // If linearAlgorithm is used, canMakeOtherLost is available only when used as ring buffer. - // Which in turn is available only when maxBlockCount = 1. - if(m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT && m_MaxBlockCount > 1) - { - canMakeOtherLost = false; - } - // Upper address can only be used with linear allocator and within single memory block. - if(isUpperAddress && + if (isUpperAddress && (m_Algorithm != VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT || m_MaxBlockCount > 1)) { return VK_ERROR_FEATURE_NOT_PRESENT; } - // Validate strategy. - switch(strategy) - { - case 0: - strategy = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT; - break; - case VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT: - case VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT: - case VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT: - break; - default: - return VK_ERROR_FEATURE_NOT_PRESENT; - } - // Early reject: requested allocation size is larger that maximum block size for this block vector. - if(size + 2 * VMA_DEBUG_MARGIN > m_PreferredBlockSize) + if (size + VMA_DEBUG_MARGIN > m_PreferredBlockSize) { return VK_ERROR_OUT_OF_DEVICE_MEMORY; } - /* - Under certain condition, this whole section can be skipped for optimization, so - we move on directly to trying to allocate with canMakeOtherLost. That's the case - e.g. for custom pools with linear algorithm. - */ - if(!canMakeOtherLost || canCreateNewBlock) + // 1. Search existing allocations. Try to allocate. + if (m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) { - // 1. Search existing allocations. Try to allocate without making other allocations lost. - VmaAllocationCreateFlags allocFlagsCopy = createInfo.flags; - allocFlagsCopy &= ~VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT; - - if(m_Algorithm == VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) + // Use only last block. + if (!m_Blocks.empty()) { - // Use only last block. - if(!m_Blocks.empty()) + VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks.back(); + VMA_ASSERT(pCurrBlock); + VkResult res = AllocateFromBlock( + pCurrBlock, size, alignment, createInfo.flags, createInfo.pUserData, suballocType, strategy, pAllocation); + if (res == VK_SUCCESS) { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks.back(); - VMA_ASSERT(pCurrBlock); - VkResult res = AllocateFromBlock( - pCurrBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) - { - VMA_DEBUG_LOG(" Returned from last block #%u", pCurrBlock->GetId()); - return VK_SUCCESS; - } + VMA_DEBUG_LOG(" Returned from last block #%u", pCurrBlock->GetId()); + IncrementallySortBlocks(); + return VK_SUCCESS; } } - else + } + else + { + if (strategy != VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT) // MIN_MEMORY or default { - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT) + const bool isHostVisible = + (m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0; + if(isHostVisible) { - // Forward order in m_Blocks - prefer blocks with smallest amount of free space. - for(size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex ) + const bool isMappingAllowed = (createInfo.flags & + (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != 0; + /* + For non-mappable allocations, check blocks that are not mapped first. + For mappable allocations, check blocks that are already mapped first. + This way, having many blocks, we will separate mappable and non-mappable allocations, + hopefully limiting the number of blocks that are mapped, which will help tools like RenderDoc. + */ + for(size_t mappingI = 0; mappingI < 2; ++mappingI) { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pCurrBlock); - VkResult res = AllocateFromBlock( - pCurrBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) + // Forward order in m_Blocks - prefer blocks with smallest amount of free space. + for (size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) { - VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); - return VK_SUCCESS; + VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pCurrBlock); + const bool isBlockMapped = pCurrBlock->GetMappedData() != VMA_NULL; + if((mappingI == 0) == (isMappingAllowed == isBlockMapped)) + { + VkResult res = AllocateFromBlock( + pCurrBlock, size, alignment, createInfo.flags, createInfo.pUserData, suballocType, strategy, pAllocation); + if (res == VK_SUCCESS) + { + VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); + IncrementallySortBlocks(); + return VK_SUCCESS; + } + } } } } - else // WORST_FIT, FIRST_FIT + else { - // Backward order in m_Blocks - prefer blocks with largest amount of free space. - for(size_t blockIndex = m_Blocks.size(); blockIndex--; ) + // Forward order in m_Blocks - prefer blocks with smallest amount of free space. + for (size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) { VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; VMA_ASSERT(pCurrBlock); VkResult res = AllocateFromBlock( - pCurrBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) + pCurrBlock, size, alignment, createInfo.flags, createInfo.pUserData, suballocType, strategy, pAllocation); + if (res == VK_SUCCESS) { VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); + IncrementallySortBlocks(); return VK_SUCCESS; } } } } - - // 2. Try to create new block. - if(canCreateNewBlock) + else // VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT { - // Calculate optimal size for new block. - VkDeviceSize newBlockSize = m_PreferredBlockSize; - uint32_t newBlockSizeShift = 0; - const uint32_t NEW_BLOCK_SIZE_SHIFT_MAX = 3; - - if(!m_ExplicitBlockSize) + // Backward order in m_Blocks - prefer blocks with largest amount of free space. + for (size_t blockIndex = m_Blocks.size(); blockIndex--; ) { - // Allocate 1/8, 1/4, 1/2 as first blocks. - const VkDeviceSize maxExistingBlockSize = CalcMaxBlockSize(); - for(uint32_t i = 0; i < NEW_BLOCK_SIZE_SHIFT_MAX; ++i) + VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pCurrBlock); + VkResult res = AllocateFromBlock(pCurrBlock, size, alignment, createInfo.flags, createInfo.pUserData, suballocType, strategy, pAllocation); + if (res == VK_SUCCESS) { - const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; - if(smallerNewBlockSize > maxExistingBlockSize && smallerNewBlockSize >= size * 2) - { - newBlockSize = smallerNewBlockSize; - ++newBlockSizeShift; - } - else - { - break; - } + VMA_DEBUG_LOG(" Returned from existing block #%u", pCurrBlock->GetId()); + IncrementallySortBlocks(); + return VK_SUCCESS; } } + } + } - size_t newBlockIndex = 0; - VkResult res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? - CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; - // Allocation of this size failed? Try 1/2, 1/4, 1/8 of m_PreferredBlockSize. - if(!m_ExplicitBlockSize) - { - while(res < 0 && newBlockSizeShift < NEW_BLOCK_SIZE_SHIFT_MAX) - { - const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; - if(smallerNewBlockSize >= size) - { - newBlockSize = smallerNewBlockSize; - ++newBlockSizeShift; - res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? - CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - else - { - break; - } - } - } + // 2. Try to create new block. + if (canCreateNewBlock) + { + // Calculate optimal size for new block. + VkDeviceSize newBlockSize = m_PreferredBlockSize; + uint32_t newBlockSizeShift = 0; + const uint32_t NEW_BLOCK_SIZE_SHIFT_MAX = 3; - if(res == VK_SUCCESS) + if (!m_ExplicitBlockSize) + { + // Allocate 1/8, 1/4, 1/2 as first blocks. + const VkDeviceSize maxExistingBlockSize = CalcMaxBlockSize(); + for (uint32_t i = 0; i < NEW_BLOCK_SIZE_SHIFT_MAX; ++i) { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[newBlockIndex]; - VMA_ASSERT(pBlock->m_pMetadata->GetSize() >= size); - - res = AllocateFromBlock( - pBlock, - currentFrameIndex, - size, - alignment, - allocFlagsCopy, - createInfo.pUserData, - suballocType, - strategy, - pAllocation); - if(res == VK_SUCCESS) + const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; + if (smallerNewBlockSize > maxExistingBlockSize && smallerNewBlockSize >= size * 2) { - VMA_DEBUG_LOG(" Created new block #%u Size=%llu", pBlock->GetId(), newBlockSize); - return VK_SUCCESS; + newBlockSize = smallerNewBlockSize; + ++newBlockSizeShift; } else { - // Allocation from new block failed, possibly due to VMA_DEBUG_MARGIN or alignment. - return VK_ERROR_OUT_OF_DEVICE_MEMORY; + break; } } } - } - // 3. Try to allocate from existing blocks with making other allocations lost. - if(canMakeOtherLost) - { - uint32_t tryIndex = 0; - for(; tryIndex < VMA_ALLOCATION_TRY_COUNT; ++tryIndex) + size_t newBlockIndex = 0; + VkResult res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? + CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; + // Allocation of this size failed? Try 1/2, 1/4, 1/8 of m_PreferredBlockSize. + if (!m_ExplicitBlockSize) { - VmaDeviceMemoryBlock* pBestRequestBlock = VMA_NULL; - VmaAllocationRequest bestRequest = {}; - VkDeviceSize bestRequestCost = VK_WHOLE_SIZE; - - // 1. Search existing allocations. - if(strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT) + while (res < 0 && newBlockSizeShift < NEW_BLOCK_SIZE_SHIFT_MAX) { - // Forward order in m_Blocks - prefer blocks with smallest amount of free space. - for(size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex ) + const VkDeviceSize smallerNewBlockSize = newBlockSize / 2; + if (smallerNewBlockSize >= size) { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pCurrBlock); - VmaAllocationRequest currRequest = {}; - if(pCurrBlock->m_pMetadata->CreateAllocationRequest( - currentFrameIndex, - m_FrameInUseCount, - m_BufferImageGranularity, - size, - alignment, - (createInfo.flags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0, - suballocType, - canMakeOtherLost, - strategy, - &currRequest)) - { - const VkDeviceSize currRequestCost = currRequest.CalcCost(); - if(pBestRequestBlock == VMA_NULL || - currRequestCost < bestRequestCost) - { - pBestRequestBlock = pCurrBlock; - bestRequest = currRequest; - bestRequestCost = currRequestCost; - - if(bestRequestCost == 0) - { - break; - } - } - } + newBlockSize = smallerNewBlockSize; + ++newBlockSizeShift; + res = (newBlockSize <= freeMemory || !canFallbackToDedicated) ? + CreateBlock(newBlockSize, &newBlockIndex) : VK_ERROR_OUT_OF_DEVICE_MEMORY; } - } - else // WORST_FIT, FIRST_FIT - { - // Backward order in m_Blocks - prefer blocks with largest amount of free space. - for(size_t blockIndex = m_Blocks.size(); blockIndex--; ) + else { - VmaDeviceMemoryBlock* const pCurrBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pCurrBlock); - VmaAllocationRequest currRequest = {}; - if(pCurrBlock->m_pMetadata->CreateAllocationRequest( - currentFrameIndex, - m_FrameInUseCount, - m_BufferImageGranularity, - size, - alignment, - (createInfo.flags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0, - suballocType, - canMakeOtherLost, - strategy, - &currRequest)) - { - const VkDeviceSize currRequestCost = currRequest.CalcCost(); - if(pBestRequestBlock == VMA_NULL || - currRequestCost < bestRequestCost || - strategy == VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT) - { - pBestRequestBlock = pCurrBlock; - bestRequest = currRequest; - bestRequestCost = currRequestCost; - - if(bestRequestCost == 0 || - strategy == VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT) - { - break; - } - } - } + break; } } + } - if(pBestRequestBlock != VMA_NULL) - { - if(mapped) - { - VkResult res = pBestRequestBlock->Map(m_hAllocator, 1, VMA_NULL); - if(res != VK_SUCCESS) - { - return res; - } - } + if (res == VK_SUCCESS) + { + VmaDeviceMemoryBlock* const pBlock = m_Blocks[newBlockIndex]; + VMA_ASSERT(pBlock->m_pMetadata->GetSize() >= size); - if(pBestRequestBlock->m_pMetadata->MakeRequestedAllocationsLost( - currentFrameIndex, - m_FrameInUseCount, - &bestRequest)) - { - // Allocate from this pBlock. - *pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(); - (*pAllocation)->Ctor(currentFrameIndex, isUserDataString); - pBestRequestBlock->m_pMetadata->Alloc(bestRequest, suballocType, size, *pAllocation); - UpdateHasEmptyBlock(); - (*pAllocation)->InitBlockAllocation( - pBestRequestBlock, - bestRequest.offset, - alignment, - size, - m_MemoryTypeIndex, - suballocType, - mapped, - (createInfo.flags & VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT) != 0); - VMA_HEAVY_ASSERT(pBestRequestBlock->Validate()); - VMA_DEBUG_LOG(" Returned from existing block"); - (*pAllocation)->SetUserData(m_hAllocator, createInfo.pUserData); - m_hAllocator->m_Budget.AddAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), size); - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) - { - m_hAllocator->FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); - } - if(IsCorruptionDetectionEnabled()) - { - VkResult res = pBestRequestBlock->WriteMagicValueAroundAllocation(m_hAllocator, bestRequest.offset, size); - (void) res; - VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to write magic value."); - } - return VK_SUCCESS; - } - // else: Some allocations must have been touched while we are here. Next try. + res = AllocateFromBlock( + pBlock, size, alignment, createInfo.flags, createInfo.pUserData, suballocType, strategy, pAllocation); + if (res == VK_SUCCESS) + { + VMA_DEBUG_LOG(" Created new block #%u Size=%llu", pBlock->GetId(), newBlockSize); + IncrementallySortBlocks(); + return VK_SUCCESS; } else { - // Could not find place in any of the blocks - break outer loop. - break; + // Allocation from new block failed, possibly due to VMA_DEBUG_MARGIN or alignment. + return VK_ERROR_OUT_OF_DEVICE_MEMORY; } } - /* Maximum number of tries exceeded - a very unlike event when many other - threads are simultaneously touching allocations making it impossible to make - lost at the same time as we try to allocate. */ - if(tryIndex == VMA_ALLOCATION_TRY_COUNT) - { - return VK_ERROR_TOO_MANY_OBJECTS; - } } return VK_ERROR_OUT_OF_DEVICE_MEMORY; } -void VmaBlockVector::Free( - const VmaAllocation hAllocation) +void VmaBlockVector::Free(const VmaAllocation hAllocation) { VmaDeviceMemoryBlock* pBlockToDelete = VMA_NULL; @@ -12315,7 +12633,7 @@ void VmaBlockVector::Free( { const uint32_t heapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex); VmaBudget heapBudget = {}; - m_hAllocator->GetBudget(&heapBudget, heapIndex, 1); + m_hAllocator->GetHeapBudgets(&heapBudget, heapIndex, 1); budgetExceeded = heapBudget.usage >= heapBudget.budget; } @@ -12325,68 +12643,71 @@ void VmaBlockVector::Free( VmaDeviceMemoryBlock* pBlock = hAllocation->GetBlock(); - if(IsCorruptionDetectionEnabled()) + if (IsCorruptionDetectionEnabled()) { - VkResult res = pBlock->ValidateMagicValueAroundAllocation(m_hAllocator, hAllocation->GetOffset(), hAllocation->GetSize()); - (void) res; + VkResult res = pBlock->ValidateMagicValueAfterAllocation(m_hAllocator, hAllocation->GetOffset(), hAllocation->GetSize()); VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to validate magic value."); } - if(hAllocation->IsPersistentMap()) + if (hAllocation->IsPersistentMap()) { pBlock->Unmap(m_hAllocator, 1); } - pBlock->m_pMetadata->Free(hAllocation); + const bool hadEmptyBlockBeforeFree = HasEmptyBlock(); + pBlock->m_pMetadata->Free(hAllocation->GetAllocHandle()); + pBlock->PostFree(m_hAllocator); VMA_HEAVY_ASSERT(pBlock->Validate()); VMA_DEBUG_LOG(" Freed from MemoryTypeIndex=%u", m_MemoryTypeIndex); const bool canDeleteBlock = m_Blocks.size() > m_MinBlockCount; // pBlock became empty after this deallocation. - if(pBlock->m_pMetadata->IsEmpty()) + if (pBlock->m_pMetadata->IsEmpty()) { - // Already has empty block. We don't want to have two, so delete this one. - if((m_HasEmptyBlock || budgetExceeded) && canDeleteBlock) + // Already had empty block. We don't want to have two, so delete this one. + if ((hadEmptyBlockBeforeFree || budgetExceeded) && canDeleteBlock) { pBlockToDelete = pBlock; Remove(pBlock); } - // else: We now have an empty block - leave it. + // else: We now have one empty block - leave it. A hysteresis to avoid allocating whole block back and forth. } // pBlock didn't become empty, but we have another empty block - find and free that one. // (This is optional, heuristics.) - else if(m_HasEmptyBlock && canDeleteBlock) + else if (hadEmptyBlockBeforeFree && canDeleteBlock) { VmaDeviceMemoryBlock* pLastBlock = m_Blocks.back(); - if(pLastBlock->m_pMetadata->IsEmpty()) + if (pLastBlock->m_pMetadata->IsEmpty()) { pBlockToDelete = pLastBlock; m_Blocks.pop_back(); } } - UpdateHasEmptyBlock(); IncrementallySortBlocks(); } // Destruction of a free block. Deferred until this point, outside of mutex // lock, for performance reason. - if(pBlockToDelete != VMA_NULL) + if (pBlockToDelete != VMA_NULL) { - VMA_DEBUG_LOG(" Deleted empty block"); + VMA_DEBUG_LOG(" Deleted empty block #%u", pBlockToDelete->GetId()); pBlockToDelete->Destroy(m_hAllocator); vma_delete(m_hAllocator, pBlockToDelete); } + + m_hAllocator->m_Budget.RemoveAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), hAllocation->GetSize()); + m_hAllocator->m_AllocationObjectAllocator.Free(hAllocation); } VkDeviceSize VmaBlockVector::CalcMaxBlockSize() const { VkDeviceSize result = 0; - for(size_t i = m_Blocks.size(); i--; ) + for (size_t i = m_Blocks.size(); i--; ) { result = VMA_MAX(result, m_Blocks[i]->m_pMetadata->GetSize()); - if(result >= m_PreferredBlockSize) + if (result >= m_PreferredBlockSize) { break; } @@ -12396,9 +12717,9 @@ VkDeviceSize VmaBlockVector::CalcMaxBlockSize() const void VmaBlockVector::Remove(VmaDeviceMemoryBlock* pBlock) { - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) + for (uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) { - if(m_Blocks[blockIndex] == pBlock) + if (m_Blocks[blockIndex] == pBlock) { VmaVectorRemove(m_Blocks, blockIndex); return; @@ -12409,12 +12730,14 @@ void VmaBlockVector::Remove(VmaDeviceMemoryBlock* pBlock) void VmaBlockVector::IncrementallySortBlocks() { - if(m_Algorithm != VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) + if (!m_IncrementalSort) + return; + if (m_Algorithm != VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) { // Bubble sort only until first swap. - for(size_t i = 1; i < m_Blocks.size(); ++i) + for (size_t i = 1; i < m_Blocks.size(); ++i) { - if(m_Blocks[i - 1]->m_pMetadata->GetSumFreeSize() > m_Blocks[i]->m_pMetadata->GetSumFreeSize()) + if (m_Blocks[i - 1]->m_pMetadata->GetSumFreeSize() > m_Blocks[i]->m_pMetadata->GetSumFreeSize()) { VMA_SWAP(m_Blocks[i - 1], m_Blocks[i]); return; @@ -12423,9 +12746,17 @@ void VmaBlockVector::IncrementallySortBlocks() } } +void VmaBlockVector::SortByFreeSize() +{ + VMA_SORT(m_Blocks.begin(), m_Blocks.end(), + [](VmaDeviceMemoryBlock* b1, VmaDeviceMemoryBlock* b2) -> bool + { + return b1->m_pMetadata->GetSumFreeSize() < b2->m_pMetadata->GetSumFreeSize(); + }); +} + VkResult VmaBlockVector::AllocateFromBlock( VmaDeviceMemoryBlock* pBlock, - uint32_t currentFrameIndex, VkDeviceSize size, VkDeviceSize alignment, VmaAllocationCreateFlags allocFlags, @@ -12434,76 +12765,115 @@ VkResult VmaBlockVector::AllocateFromBlock( uint32_t strategy, VmaAllocation* pAllocation) { - VMA_ASSERT((allocFlags & VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT) == 0); const bool isUpperAddress = (allocFlags & VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT) != 0; - const bool mapped = (allocFlags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0; - const bool isUserDataString = (allocFlags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0; VmaAllocationRequest currRequest = {}; - if(pBlock->m_pMetadata->CreateAllocationRequest( - currentFrameIndex, - m_FrameInUseCount, - m_BufferImageGranularity, + if (pBlock->m_pMetadata->CreateAllocationRequest( size, alignment, isUpperAddress, suballocType, - false, // canMakeOtherLost strategy, &currRequest)) { - // Allocate from pCurrBlock. - VMA_ASSERT(currRequest.itemsToMakeLostCount == 0); + return CommitAllocationRequest(currRequest, pBlock, alignment, allocFlags, pUserData, suballocType, pAllocation); + } + return VK_ERROR_OUT_OF_DEVICE_MEMORY; +} + +VkResult VmaBlockVector::CommitAllocationRequest( + VmaAllocationRequest& allocRequest, + VmaDeviceMemoryBlock* pBlock, + VkDeviceSize alignment, + VmaAllocationCreateFlags allocFlags, + void* pUserData, + VmaSuballocationType suballocType, + VmaAllocation* pAllocation) +{ + const bool mapped = (allocFlags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0; + const bool isUserDataString = (allocFlags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0; + const bool isMappingAllowed = (allocFlags & + (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != 0; - if(mapped) + pBlock->PostAlloc(); + // Allocate from pCurrBlock. + if (mapped) + { + VkResult res = pBlock->Map(m_hAllocator, 1, VMA_NULL); + if (res != VK_SUCCESS) { - VkResult res = pBlock->Map(m_hAllocator, 1, VMA_NULL); - if(res != VK_SUCCESS) - { - return res; - } + return res; } - - *pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(); - (*pAllocation)->Ctor(currentFrameIndex, isUserDataString); - pBlock->m_pMetadata->Alloc(currRequest, suballocType, size, *pAllocation); - UpdateHasEmptyBlock(); - (*pAllocation)->InitBlockAllocation( - pBlock, - currRequest.offset, - alignment, - size, - m_MemoryTypeIndex, - suballocType, - mapped, - (allocFlags & VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT) != 0); - VMA_HEAVY_ASSERT(pBlock->Validate()); + } + + *pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(isMappingAllowed); + pBlock->m_pMetadata->Alloc(allocRequest, suballocType, *pAllocation); + (*pAllocation)->InitBlockAllocation( + pBlock, + allocRequest.allocHandle, + alignment, + allocRequest.size, // Not size, as actual allocation size may be larger than requested! + m_MemoryTypeIndex, + suballocType, + mapped); + VMA_HEAVY_ASSERT(pBlock->Validate()); + if (isUserDataString) + (*pAllocation)->SetName(m_hAllocator, (const char*)pUserData); + else (*pAllocation)->SetUserData(m_hAllocator, pUserData); - m_hAllocator->m_Budget.AddAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), size); - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) - { - m_hAllocator->FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); - } - if(IsCorruptionDetectionEnabled()) - { - VkResult res = pBlock->WriteMagicValueAroundAllocation(m_hAllocator, currRequest.offset, size); - (void) res; - VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to write magic value."); - } - return VK_SUCCESS; + m_hAllocator->m_Budget.AddAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), allocRequest.size); + if (VMA_DEBUG_INITIALIZE_ALLOCATIONS) + { + m_hAllocator->FillAllocation(*pAllocation, VMA_ALLOCATION_FILL_PATTERN_CREATED); } - return VK_ERROR_OUT_OF_DEVICE_MEMORY; + if (IsCorruptionDetectionEnabled()) + { + VkResult res = pBlock->WriteMagicValueAfterAllocation(m_hAllocator, (*pAllocation)->GetOffset(), allocRequest.size); + VMA_ASSERT(res == VK_SUCCESS && "Couldn't map block memory to write magic value."); + } + return VK_SUCCESS; } VkResult VmaBlockVector::CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIndex) { - VkMemoryAllocateInfo allocInfo = {}; - allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; + VkMemoryAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO }; + allocInfo.pNext = m_pMemoryAllocateNext; allocInfo.memoryTypeIndex = m_MemoryTypeIndex; allocInfo.allocationSize = blockSize; + +#if VMA_BUFFER_DEVICE_ADDRESS + // Every standalone block can potentially contain a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT - always enable the feature. + VkMemoryAllocateFlagsInfoKHR allocFlagsInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHR }; + if (m_hAllocator->m_UseKhrBufferDeviceAddress) + { + allocFlagsInfo.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT_KHR; + VmaPnextChainPushFront(&allocInfo, &allocFlagsInfo); + } +#endif // VMA_BUFFER_DEVICE_ADDRESS + +#if VMA_MEMORY_PRIORITY + VkMemoryPriorityAllocateInfoEXT priorityInfo = { VK_STRUCTURE_TYPE_MEMORY_PRIORITY_ALLOCATE_INFO_EXT }; + if (m_hAllocator->m_UseExtMemoryPriority) + { + VMA_ASSERT(m_Priority >= 0.f && m_Priority <= 1.f); + priorityInfo.priority = m_Priority; + VmaPnextChainPushFront(&allocInfo, &priorityInfo); + } +#endif // VMA_MEMORY_PRIORITY + +#if VMA_EXTERNAL_MEMORY + // Attach VkExportMemoryAllocateInfoKHR if necessary. + VkExportMemoryAllocateInfoKHR exportMemoryAllocInfo = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR }; + exportMemoryAllocInfo.handleTypes = m_hAllocator->GetExternalMemoryHandleTypeFlags(m_MemoryTypeIndex); + if (exportMemoryAllocInfo.handleTypes != 0) + { + VmaPnextChainPushFront(&allocInfo, &exportMemoryAllocInfo); + } +#endif // VMA_EXTERNAL_MEMORY + VkDeviceMemory mem = VK_NULL_HANDLE; VkResult res = m_hAllocator->AllocateVulkanMemory(&allocInfo, &mem); - if(res < 0) + if (res < 0) { return res; } @@ -12519,10 +12889,11 @@ VkResult VmaBlockVector::CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIn mem, allocInfo.allocationSize, m_NextBlockId++, - m_Algorithm); + m_Algorithm, + m_BufferImageGranularity); m_Blocks.push_back(pBlock); - if(pNewBlockIndex != VMA_NULL) + if (pNewBlockIndex != VMA_NULL) { *pNewBlockIndex = m_Blocks.size() - 1; } @@ -12530,2064 +12901,1096 @@ VkResult VmaBlockVector::CreateBlock(VkDeviceSize blockSize, size_t* pNewBlockIn return VK_SUCCESS; } -void VmaBlockVector::ApplyDefragmentationMovesCpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves) +bool VmaBlockVector::HasEmptyBlock() { - const size_t blockCount = m_Blocks.size(); - const bool isNonCoherent = m_hAllocator->IsMemoryTypeNonCoherent(m_MemoryTypeIndex); - - enum BLOCK_FLAG - { - BLOCK_FLAG_USED = 0x00000001, - BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION = 0x00000002, - }; - - struct BlockInfo - { - uint32_t flags; - void* pMappedData; - }; - VmaVector< BlockInfo, VmaStlAllocator<BlockInfo> > - blockInfo(blockCount, BlockInfo(), VmaStlAllocator<BlockInfo>(m_hAllocator->GetAllocationCallbacks())); - memset(blockInfo.data(), 0, blockCount * sizeof(BlockInfo)); - - // Go over all moves. Mark blocks that are used with BLOCK_FLAG_USED. - const size_t moveCount = moves.size(); - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) - { - const VmaDefragmentationMove& move = moves[moveIndex]; - blockInfo[move.srcBlockIndex].flags |= BLOCK_FLAG_USED; - blockInfo[move.dstBlockIndex].flags |= BLOCK_FLAG_USED; - } - - VMA_ASSERT(pDefragCtx->res == VK_SUCCESS); - - // Go over all blocks. Get mapped pointer or map if necessary. - for(size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex) + for (size_t index = 0, count = m_Blocks.size(); index < count; ++index) { - BlockInfo& currBlockInfo = blockInfo[blockIndex]; - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - if((currBlockInfo.flags & BLOCK_FLAG_USED) != 0) + VmaDeviceMemoryBlock* const pBlock = m_Blocks[index]; + if (pBlock->m_pMetadata->IsEmpty()) { - currBlockInfo.pMappedData = pBlock->GetMappedData(); - // It is not originally mapped - map it. - if(currBlockInfo.pMappedData == VMA_NULL) - { - pDefragCtx->res = pBlock->Map(m_hAllocator, 1, &currBlockInfo.pMappedData); - if(pDefragCtx->res == VK_SUCCESS) - { - currBlockInfo.flags |= BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION; - } - } + return true; } } + return false; +} - // Go over all moves. Do actual data transfer. - if(pDefragCtx->res == VK_SUCCESS) - { - const VkDeviceSize nonCoherentAtomSize = m_hAllocator->m_PhysicalDeviceProperties.limits.nonCoherentAtomSize; - VkMappedMemoryRange memRange = {}; - memRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) - { - const VmaDefragmentationMove& move = moves[moveIndex]; - - const BlockInfo& srcBlockInfo = blockInfo[move.srcBlockIndex]; - const BlockInfo& dstBlockInfo = blockInfo[move.dstBlockIndex]; +#if VMA_STATS_STRING_ENABLED +void VmaBlockVector::PrintDetailedMap(class VmaJsonWriter& json) +{ + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - VMA_ASSERT(srcBlockInfo.pMappedData && dstBlockInfo.pMappedData); - // Invalidate source. - if(isNonCoherent) - { - VmaDeviceMemoryBlock* const pSrcBlock = m_Blocks[move.srcBlockIndex]; - memRange.memory = pSrcBlock->GetDeviceMemory(); - memRange.offset = VmaAlignDown(move.srcOffset, nonCoherentAtomSize); - memRange.size = VMA_MIN( - VmaAlignUp(move.size + (move.srcOffset - memRange.offset), nonCoherentAtomSize), - pSrcBlock->m_pMetadata->GetSize() - memRange.offset); - (*m_hAllocator->GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hAllocator->m_hDevice, 1, &memRange); - } + json.BeginObject(); + for (size_t i = 0; i < m_Blocks.size(); ++i) + { + json.BeginString(); + json.ContinueString(m_Blocks[i]->GetId()); + json.EndString(); - // THE PLACE WHERE ACTUAL DATA COPY HAPPENS. - memmove( - reinterpret_cast<char*>(dstBlockInfo.pMappedData) + move.dstOffset, - reinterpret_cast<char*>(srcBlockInfo.pMappedData) + move.srcOffset, - static_cast<size_t>(move.size)); + json.BeginObject(); + json.WriteString("MapRefCount"); + json.WriteNumber(m_Blocks[i]->GetMapRefCount()); - if(IsCorruptionDetectionEnabled()) - { - VmaWriteMagicValue(dstBlockInfo.pMappedData, move.dstOffset - VMA_DEBUG_MARGIN); - VmaWriteMagicValue(dstBlockInfo.pMappedData, move.dstOffset + move.size); - } + m_Blocks[i]->m_pMetadata->PrintDetailedMap(json); + json.EndObject(); + } + json.EndObject(); +} +#endif // VMA_STATS_STRING_ENABLED - // Flush destination. - if(isNonCoherent) - { - VmaDeviceMemoryBlock* const pDstBlock = m_Blocks[move.dstBlockIndex]; - memRange.memory = pDstBlock->GetDeviceMemory(); - memRange.offset = VmaAlignDown(move.dstOffset, nonCoherentAtomSize); - memRange.size = VMA_MIN( - VmaAlignUp(move.size + (move.dstOffset - memRange.offset), nonCoherentAtomSize), - pDstBlock->m_pMetadata->GetSize() - memRange.offset); - (*m_hAllocator->GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hAllocator->m_hDevice, 1, &memRange); - } - } +VkResult VmaBlockVector::CheckCorruption() +{ + if (!IsCorruptionDetectionEnabled()) + { + return VK_ERROR_FEATURE_NOT_PRESENT; } - // Go over all blocks in reverse order. Unmap those that were mapped just for defragmentation. - // Regardless of pCtx->res == VK_SUCCESS. - for(size_t blockIndex = blockCount; blockIndex--; ) + VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); + for (uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) { - const BlockInfo& currBlockInfo = blockInfo[blockIndex]; - if((currBlockInfo.flags & BLOCK_FLAG_MAPPED_FOR_DEFRAGMENTATION) != 0) + VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; + VMA_ASSERT(pBlock); + VkResult res = pBlock->CheckCorruption(m_hAllocator); + if (res != VK_SUCCESS) { - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - pBlock->Unmap(m_hAllocator, 1); + return res; } } + return VK_SUCCESS; } -void VmaBlockVector::ApplyDefragmentationMovesGpu( - class VmaBlockVectorDefragmentationContext* pDefragCtx, - const VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkCommandBuffer commandBuffer) -{ - const size_t blockCount = m_Blocks.size(); +#endif // _VMA_BLOCK_VECTOR_FUNCTIONS - pDefragCtx->blockContexts.resize(blockCount); - for (size_t i = 0; i < blockCount; ++i) - pDefragCtx->blockContexts[i] = VmaBlockDefragmentationContext(); +#ifndef _VMA_DEFRAGMENTATION_CONTEXT_FUNCTIONS +VmaDefragmentationContext_T::VmaDefragmentationContext_T( + VmaAllocator hAllocator, + const VmaDefragmentationInfo& info) + : m_MaxPassBytes(info.maxBytesPerPass == 0 ? VK_WHOLE_SIZE : info.maxBytesPerPass), + m_MaxPassAllocations(info.maxAllocationsPerPass == 0 ? UINT32_MAX : info.maxAllocationsPerPass), + m_MoveAllocator(hAllocator->GetAllocationCallbacks()), + m_Moves(m_MoveAllocator) +{ + m_Algorithm = info.flags & VMA_DEFRAGMENTATION_FLAG_ALGORITHM_MASK; - // Go over all moves. Mark blocks that are used with BLOCK_FLAG_USED. - const size_t moveCount = moves.size(); - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) + if (info.pool != VMA_NULL) { - const VmaDefragmentationMove& move = moves[moveIndex]; - pDefragCtx->blockContexts[move.srcBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED; - pDefragCtx->blockContexts[move.dstBlockIndex].flags |= VmaBlockDefragmentationContext::BLOCK_FLAG_USED; + m_BlockVectorCount = 1; + m_PoolBlockVector = &info.pool->m_BlockVector; + m_pBlockVectors = &m_PoolBlockVector; + m_PoolBlockVector->SetIncrementalSort(false); + m_PoolBlockVector->SortByFreeSize(); } - - VMA_ASSERT(pDefragCtx->res == VK_SUCCESS); - - // Go over all blocks. Create and bind buffer for whole block if necessary. + else { - VkBufferCreateInfo bufCreateInfo; - VmaFillGpuDefragmentationBufferCreateInfo(bufCreateInfo); - - for(size_t blockIndex = 0; pDefragCtx->res == VK_SUCCESS && blockIndex < blockCount; ++blockIndex) + m_BlockVectorCount = hAllocator->GetMemoryTypeCount(); + m_PoolBlockVector = VMA_NULL; + m_pBlockVectors = hAllocator->m_pBlockVectors; + for (uint32_t i = 0; i < m_BlockVectorCount; ++i) { - VmaBlockDefragmentationContext& currBlockCtx = pDefragCtx->blockContexts[blockIndex]; - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - if((currBlockCtx.flags & VmaBlockDefragmentationContext::BLOCK_FLAG_USED) != 0) + VmaBlockVector* vector = m_pBlockVectors[i]; + if (vector != VMA_NULL) { - bufCreateInfo.size = pBlock->m_pMetadata->GetSize(); - pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkCreateBuffer)( - m_hAllocator->m_hDevice, &bufCreateInfo, m_hAllocator->GetAllocationCallbacks(), &currBlockCtx.hBuffer); - if(pDefragCtx->res == VK_SUCCESS) - { - pDefragCtx->res = (*m_hAllocator->GetVulkanFunctions().vkBindBufferMemory)( - m_hAllocator->m_hDevice, currBlockCtx.hBuffer, pBlock->GetDeviceMemory(), 0); - } + vector->SetIncrementalSort(false); + vector->SortByFreeSize(); } } } - - // Go over all moves. Post data transfer commands to command buffer. - if(pDefragCtx->res == VK_SUCCESS) + + switch (m_Algorithm) { - for(size_t moveIndex = 0; moveIndex < moveCount; ++moveIndex) + case 0: // Default algorithm + m_Algorithm = VMA_DEFRAGMENTATION_FLAG_ALGORITHM_BALANCED_BIT; + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_BALANCED_BIT: + { + m_AlgorithmState = vma_new_array(hAllocator, StateBalanced, m_BlockVectorCount); + break; + } + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_EXTENSIVE_BIT: + { + if (hAllocator->GetBufferImageGranularity() > 1) { - const VmaDefragmentationMove& move = moves[moveIndex]; - - const VmaBlockDefragmentationContext& srcBlockCtx = pDefragCtx->blockContexts[move.srcBlockIndex]; - const VmaBlockDefragmentationContext& dstBlockCtx = pDefragCtx->blockContexts[move.dstBlockIndex]; - - VMA_ASSERT(srcBlockCtx.hBuffer && dstBlockCtx.hBuffer); - - VkBufferCopy region = { - move.srcOffset, - move.dstOffset, - move.size }; - (*m_hAllocator->GetVulkanFunctions().vkCmdCopyBuffer)( - commandBuffer, srcBlockCtx.hBuffer, dstBlockCtx.hBuffer, 1, ®ion); + m_AlgorithmState = vma_new_array(hAllocator, StateExtensive, m_BlockVectorCount); } + break; } - - // Save buffers to defrag context for later destruction. - if(pDefragCtx->res == VK_SUCCESS && moveCount > 0) - { - pDefragCtx->res = VK_NOT_READY; } } -void VmaBlockVector::FreeEmptyBlocks(VmaDefragmentationStats* pDefragmentationStats) +VmaDefragmentationContext_T::~VmaDefragmentationContext_T() { - for(size_t blockIndex = m_Blocks.size(); blockIndex--; ) + if (m_PoolBlockVector != VMA_NULL) + { + m_PoolBlockVector->SetIncrementalSort(true); + } + else { - VmaDeviceMemoryBlock* pBlock = m_Blocks[blockIndex]; - if(pBlock->m_pMetadata->IsEmpty()) + for (uint32_t i = 0; i < m_BlockVectorCount; ++i) { - if(m_Blocks.size() > m_MinBlockCount) - { - if(pDefragmentationStats != VMA_NULL) - { - ++pDefragmentationStats->deviceMemoryBlocksFreed; - pDefragmentationStats->bytesFreed += pBlock->m_pMetadata->GetSize(); - } - - VmaVectorRemove(m_Blocks, blockIndex); - pBlock->Destroy(m_hAllocator); - vma_delete(m_hAllocator, pBlock); - } - else - { - break; - } + VmaBlockVector* vector = m_pBlockVectors[i]; + if (vector != VMA_NULL) + vector->SetIncrementalSort(true); } } - UpdateHasEmptyBlock(); -} -void VmaBlockVector::UpdateHasEmptyBlock() -{ - m_HasEmptyBlock = false; - for(size_t index = 0, count = m_Blocks.size(); index < count; ++index) + if (m_AlgorithmState) { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[index]; - if(pBlock->m_pMetadata->IsEmpty()) + switch (m_Algorithm) { - m_HasEmptyBlock = true; + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_BALANCED_BIT: + vma_delete_array(m_MoveAllocator.m_pCallbacks, reinterpret_cast<StateBalanced*>(m_AlgorithmState), m_BlockVectorCount); + break; + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_EXTENSIVE_BIT: + vma_delete_array(m_MoveAllocator.m_pCallbacks, reinterpret_cast<StateExtensive*>(m_AlgorithmState), m_BlockVectorCount); break; + default: + VMA_ASSERT(0); } } } -#if VMA_STATS_STRING_ENABLED - -void VmaBlockVector::PrintDetailedMap(class VmaJsonWriter& json) +VkResult VmaDefragmentationContext_T::DefragmentPassBegin(VmaDefragmentationPassMoveInfo& moveInfo) { - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - - json.BeginObject(); - - if(IsCustomPool()) + if (m_PoolBlockVector != VMA_NULL) { - const char* poolName = m_hParentPool->GetName(); - if(poolName != VMA_NULL && poolName[0] != '\0') - { - json.WriteString("Name"); - json.WriteString(poolName); - } - - json.WriteString("MemoryTypeIndex"); - json.WriteNumber(m_MemoryTypeIndex); - - json.WriteString("BlockSize"); - json.WriteNumber(m_PreferredBlockSize); + VmaMutexLockWrite lock(m_PoolBlockVector->GetMutex(), m_PoolBlockVector->GetAllocator()->m_UseMutex); - json.WriteString("BlockCount"); - json.BeginObject(true); - if(m_MinBlockCount > 0) - { - json.WriteString("Min"); - json.WriteNumber((uint64_t)m_MinBlockCount); - } - if(m_MaxBlockCount < SIZE_MAX) - { - json.WriteString("Max"); - json.WriteNumber((uint64_t)m_MaxBlockCount); - } - json.WriteString("Cur"); - json.WriteNumber((uint64_t)m_Blocks.size()); - json.EndObject(); - - if(m_FrameInUseCount > 0) - { - json.WriteString("FrameInUseCount"); - json.WriteNumber(m_FrameInUseCount); - } - - if(m_Algorithm != 0) - { - json.WriteString("Algorithm"); - json.WriteString(VmaAlgorithmToStr(m_Algorithm)); - } + if (m_PoolBlockVector->GetBlockCount() > 1) + ComputeDefragmentation(*m_PoolBlockVector, 0); + else if (m_PoolBlockVector->GetBlockCount() == 1) + ReallocWithinBlock(*m_PoolBlockVector, m_PoolBlockVector->GetBlock(0)); } else { - json.WriteString("PreferredBlockSize"); - json.WriteNumber(m_PreferredBlockSize); + for (uint32_t i = 0; i < m_BlockVectorCount; ++i) + { + if (m_pBlockVectors[i] != VMA_NULL) + { + VmaMutexLockWrite lock(m_pBlockVectors[i]->GetMutex(), m_pBlockVectors[i]->GetAllocator()->m_UseMutex); + + if (m_pBlockVectors[i]->GetBlockCount() > 1) + { + if (ComputeDefragmentation(*m_pBlockVectors[i], i)) + break; + } + else if (m_pBlockVectors[i]->GetBlockCount() == 1) + { + if (ReallocWithinBlock(*m_pBlockVectors[i], m_pBlockVectors[i]->GetBlock(0))) + break; + } + } + } } - json.WriteString("Blocks"); - json.BeginObject(); - for(size_t i = 0; i < m_Blocks.size(); ++i) + moveInfo.moveCount = static_cast<uint32_t>(m_Moves.size()); + if (moveInfo.moveCount > 0) { - json.BeginString(); - json.ContinueString(m_Blocks[i]->GetId()); - json.EndString(); - - m_Blocks[i]->m_pMetadata->PrintDetailedMap(json); + moveInfo.pMoves = m_Moves.data(); + return VK_INCOMPLETE; } - json.EndObject(); - json.EndObject(); + moveInfo.pMoves = VMA_NULL; + return VK_SUCCESS; } -#endif // #if VMA_STATS_STRING_ENABLED - -void VmaBlockVector::Defragment( - class VmaBlockVectorDefragmentationContext* pCtx, - VmaDefragmentationStats* pStats, - VkDeviceSize& maxCpuBytesToMove, uint32_t& maxCpuAllocationsToMove, - VkDeviceSize& maxGpuBytesToMove, uint32_t& maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer) +VkResult VmaDefragmentationContext_T::DefragmentPassEnd(VmaDefragmentationPassMoveInfo& moveInfo) { - pCtx->res = VK_SUCCESS; - - const VkMemoryPropertyFlags memPropFlags = - m_hAllocator->m_MemProps.memoryTypes[m_MemoryTypeIndex].propertyFlags; - const bool isHostVisible = (memPropFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0; + VMA_ASSERT(moveInfo.moveCount > 0 ? moveInfo.pMoves != VMA_NULL : true); - const bool canDefragmentOnCpu = maxCpuBytesToMove > 0 && maxCpuAllocationsToMove > 0 && - isHostVisible; - const bool canDefragmentOnGpu = maxGpuBytesToMove > 0 && maxGpuAllocationsToMove > 0 && - !IsCorruptionDetectionEnabled() && - ((1u << m_MemoryTypeIndex) & m_hAllocator->GetGpuDefragmentationMemoryTypeBits()) != 0; + VkResult result = VK_SUCCESS; + VmaStlAllocator<FragmentedBlock> blockAllocator(m_MoveAllocator.m_pCallbacks); + VmaVector<FragmentedBlock, VmaStlAllocator<FragmentedBlock>> immovableBlocks(blockAllocator); + VmaVector<FragmentedBlock, VmaStlAllocator<FragmentedBlock>> mappedBlocks(blockAllocator); - // There are options to defragment this memory type. - if(canDefragmentOnCpu || canDefragmentOnGpu) + VmaAllocator allocator = VMA_NULL; + for (uint32_t i = 0; i < moveInfo.moveCount; ++i) { - bool defragmentOnGpu; - // There is only one option to defragment this memory type. - if(canDefragmentOnGpu != canDefragmentOnCpu) + VmaDefragmentationMove& move = moveInfo.pMoves[i]; + size_t prevCount = 0, currentCount = 0; + VkDeviceSize freedBlockSize = 0; + + uint32_t vectorIndex; + VmaBlockVector* vector; + if (m_PoolBlockVector != VMA_NULL) { - defragmentOnGpu = canDefragmentOnGpu; + vectorIndex = 0; + vector = m_PoolBlockVector; } - // Both options are available: Heuristics to choose the best one. else { - defragmentOnGpu = (memPropFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) != 0 || - m_hAllocator->IsIntegratedGpu(); + vectorIndex = move.srcAllocation->GetMemoryTypeIndex(); + vector = m_pBlockVectors[vectorIndex]; + VMA_ASSERT(vector != VMA_NULL); } - - bool overlappingMoveSupported = !defragmentOnGpu; - - if(m_hAllocator->m_UseMutex) + + switch (move.operation) { - m_Mutex.LockWrite(); - pCtx->mutexLocked = true; - } - - pCtx->Begin(overlappingMoveSupported); + case VMA_DEFRAGMENTATION_MOVE_OPERATION_COPY: + { + uint8_t mapCount = move.srcAllocation->SwapBlockAllocation(vector->m_hAllocator, move.dstTmpAllocation); + if (mapCount > 0) + { + allocator = vector->m_hAllocator; + VmaDeviceMemoryBlock* newMapBlock = move.srcAllocation->GetBlock(); + bool notPresent = true; + for (FragmentedBlock& block : mappedBlocks) + { + if (block.block == newMapBlock) + { + notPresent = false; + block.data += mapCount; + break; + } + } + if (notPresent) + mappedBlocks.push_back({ mapCount, newMapBlock }); + } - // Defragment. + // Scope for locks, Free have it's own lock + { + VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); + prevCount = vector->GetBlockCount(); + freedBlockSize = move.dstTmpAllocation->GetBlock()->m_pMetadata->GetSize(); + } + vector->Free(move.dstTmpAllocation); + { + VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); + currentCount = vector->GetBlockCount(); + } - const VkDeviceSize maxBytesToMove = defragmentOnGpu ? maxGpuBytesToMove : maxCpuBytesToMove; - const uint32_t maxAllocationsToMove = defragmentOnGpu ? maxGpuAllocationsToMove : maxCpuAllocationsToMove; - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> > moves = - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >(VmaStlAllocator<VmaDefragmentationMove>(m_hAllocator->GetAllocationCallbacks())); - pCtx->res = pCtx->GetAlgorithm()->Defragment(moves, maxBytesToMove, maxAllocationsToMove); + result = VK_INCOMPLETE; + break; + } + case VMA_DEFRAGMENTATION_MOVE_OPERATION_IGNORE: + { + m_PassStats.bytesMoved -= move.srcAllocation->GetSize(); + --m_PassStats.allocationsMoved; + vector->Free(move.dstTmpAllocation); - // Accumulate statistics. - if(pStats != VMA_NULL) + VmaDeviceMemoryBlock* newBlock = move.srcAllocation->GetBlock(); + bool notPresent = true; + for (const FragmentedBlock& block : immovableBlocks) + { + if (block.block == newBlock) + { + notPresent = false; + break; + } + } + if (notPresent) + immovableBlocks.push_back({ vectorIndex, newBlock }); + break; + } + case VMA_DEFRAGMENTATION_MOVE_OPERATION_DESTROY: { - const VkDeviceSize bytesMoved = pCtx->GetAlgorithm()->GetBytesMoved(); - const uint32_t allocationsMoved = pCtx->GetAlgorithm()->GetAllocationsMoved(); - pStats->bytesMoved += bytesMoved; - pStats->allocationsMoved += allocationsMoved; - VMA_ASSERT(bytesMoved <= maxBytesToMove); - VMA_ASSERT(allocationsMoved <= maxAllocationsToMove); - if(defragmentOnGpu) + m_PassStats.bytesMoved -= move.srcAllocation->GetSize(); + --m_PassStats.allocationsMoved; + // Scope for locks, Free have it's own lock { - maxGpuBytesToMove -= bytesMoved; - maxGpuAllocationsToMove -= allocationsMoved; + VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); + prevCount = vector->GetBlockCount(); + freedBlockSize = move.srcAllocation->GetBlock()->m_pMetadata->GetSize(); } - else + vector->Free(move.srcAllocation); { - maxCpuBytesToMove -= bytesMoved; - maxCpuAllocationsToMove -= allocationsMoved; + VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); + currentCount = vector->GetBlockCount(); } - } - - if(pCtx->res >= VK_SUCCESS) - { - if(defragmentOnGpu) + freedBlockSize *= prevCount - currentCount; + + VkDeviceSize dstBlockSize; { - ApplyDefragmentationMovesGpu(pCtx, moves, commandBuffer); + VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); + dstBlockSize = move.dstTmpAllocation->GetBlock()->m_pMetadata->GetSize(); } - else + vector->Free(move.dstTmpAllocation); { - ApplyDefragmentationMovesCpu(pCtx, moves); + VmaMutexLockRead lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); + freedBlockSize += dstBlockSize * (currentCount - vector->GetBlockCount()); + currentCount = vector->GetBlockCount(); } + + result = VK_INCOMPLETE; + break; + } + default: + VMA_ASSERT(0); } - } -} -void VmaBlockVector::DefragmentationEnd( - class VmaBlockVectorDefragmentationContext* pCtx, - VmaDefragmentationStats* pStats) -{ - // Destroy buffers. - for(size_t blockIndex = pCtx->blockContexts.size(); blockIndex--; ) - { - VmaBlockDefragmentationContext& blockCtx = pCtx->blockContexts[blockIndex]; - if(blockCtx.hBuffer) + if (prevCount > currentCount) { - (*m_hAllocator->GetVulkanFunctions().vkDestroyBuffer)( - m_hAllocator->m_hDevice, blockCtx.hBuffer, m_hAllocator->GetAllocationCallbacks()); + size_t freedBlocks = prevCount - currentCount; + m_PassStats.deviceMemoryBlocksFreed += static_cast<uint32_t>(freedBlocks); + m_PassStats.bytesFreed += freedBlockSize; } - } - if(pCtx->res >= VK_SUCCESS) - { - FreeEmptyBlocks(pStats); + switch (m_Algorithm) + { + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_EXTENSIVE_BIT: + { + if (m_AlgorithmState != VMA_NULL) + { + // Avoid unnecessary tries to allocate when new free block is avaiable + StateExtensive& state = reinterpret_cast<StateExtensive*>(m_AlgorithmState)[vectorIndex]; + if (state.firstFreeBlock != SIZE_MAX) + { + const size_t diff = prevCount - currentCount; + if (state.firstFreeBlock >= diff) + { + state.firstFreeBlock -= diff; + if (state.firstFreeBlock != 0) + state.firstFreeBlock -= vector->GetBlock(state.firstFreeBlock - 1)->m_pMetadata->IsEmpty(); + } + else + state.firstFreeBlock = 0; + } + } + } + } } + moveInfo.moveCount = 0; + moveInfo.pMoves = VMA_NULL; + m_Moves.clear(); - if(pCtx->mutexLocked) - { - VMA_ASSERT(m_hAllocator->m_UseMutex); - m_Mutex.UnlockWrite(); - } -} + // Update stats + m_GlobalStats.allocationsMoved += m_PassStats.allocationsMoved; + m_GlobalStats.bytesFreed += m_PassStats.bytesFreed; + m_GlobalStats.bytesMoved += m_PassStats.bytesMoved; + m_GlobalStats.deviceMemoryBlocksFreed += m_PassStats.deviceMemoryBlocksFreed; + m_PassStats = { 0 }; -size_t VmaBlockVector::CalcAllocationCount() const -{ - size_t result = 0; - for(size_t i = 0; i < m_Blocks.size(); ++i) + // Move blocks with immovable allocations according to algorithm + if (immovableBlocks.size() > 0) { - result += m_Blocks[i]->m_pMetadata->GetAllocationCount(); - } - return result; -} + switch (m_Algorithm) + { + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_EXTENSIVE_BIT: + { + if (m_AlgorithmState != VMA_NULL) + { + bool swapped = false; + // Move to the start of free blocks range + for (const FragmentedBlock& block : immovableBlocks) + { + StateExtensive& state = reinterpret_cast<StateExtensive*>(m_AlgorithmState)[block.data]; + if (state.operation != StateExtensive::Operation::Cleanup) + { + VmaBlockVector* vector = m_pBlockVectors[block.data]; + VmaMutexLockWrite lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); -bool VmaBlockVector::IsBufferImageGranularityConflictPossible() const -{ - if(m_BufferImageGranularity == 1) - { - return false; - } - VmaSuballocationType lastSuballocType = VMA_SUBALLOCATION_TYPE_FREE; - for(size_t i = 0, count = m_Blocks.size(); i < count; ++i) - { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[i]; - VMA_ASSERT(m_Algorithm == 0); - VmaBlockMetadata_Generic* const pMetadata = (VmaBlockMetadata_Generic*)pBlock->m_pMetadata; - if(pMetadata->IsBufferImageGranularityConflictPossible(m_BufferImageGranularity, lastSuballocType)) + for (size_t i = 0, count = vector->GetBlockCount() - m_ImmovableBlockCount; i < count; ++i) + { + if (vector->GetBlock(i) == block.block) + { + VMA_SWAP(vector->m_Blocks[i], vector->m_Blocks[vector->GetBlockCount() - ++m_ImmovableBlockCount]); + if (state.firstFreeBlock != SIZE_MAX) + { + if (i + 1 < state.firstFreeBlock) + { + if (state.firstFreeBlock > 1) + VMA_SWAP(vector->m_Blocks[i], vector->m_Blocks[--state.firstFreeBlock]); + else + --state.firstFreeBlock; + } + } + swapped = true; + break; + } + } + } + } + if (swapped) + result = VK_INCOMPLETE; + break; + } + } + default: { - return true; + // Move to the begining + for (const FragmentedBlock& block : immovableBlocks) + { + VmaBlockVector* vector = m_pBlockVectors[block.data]; + VmaMutexLockWrite lock(vector->GetMutex(), vector->GetAllocator()->m_UseMutex); + + for (size_t i = m_ImmovableBlockCount; i < vector->GetBlockCount(); ++i) + { + if (vector->GetBlock(i) == block.block) + { + VMA_SWAP(vector->m_Blocks[i], vector->m_Blocks[m_ImmovableBlockCount++]); + break; + } + } + } + break; + } } } - return false; -} -void VmaBlockVector::MakePoolAllocationsLost( - uint32_t currentFrameIndex, - size_t* pLostAllocationCount) -{ - VmaMutexLockWrite lock(m_Mutex, m_hAllocator->m_UseMutex); - size_t lostAllocationCount = 0; - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) + // Bulk-map destination blocks + for (const FragmentedBlock& block : mappedBlocks) { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pBlock); - lostAllocationCount += pBlock->m_pMetadata->MakeAllocationsLost(currentFrameIndex, m_FrameInUseCount); - } - if(pLostAllocationCount != VMA_NULL) - { - *pLostAllocationCount = lostAllocationCount; + VkResult res = block.block->Map(allocator, block.data, VMA_NULL); + VMA_ASSERT(res == VK_SUCCESS); } + return result; } -VkResult VmaBlockVector::CheckCorruption() +bool VmaDefragmentationContext_T::ComputeDefragmentation(VmaBlockVector& vector, size_t index) { - if(!IsCorruptionDetectionEnabled()) - { - return VK_ERROR_FEATURE_NOT_PRESENT; - } - - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) + switch (m_Algorithm) { - VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pBlock); - VkResult res = pBlock->CheckCorruption(m_hAllocator); - if(res != VK_SUCCESS) - { - return res; - } + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT: + return ComputeDefragmentation_Fast(vector); + default: + VMA_ASSERT(0); + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_BALANCED_BIT: + return ComputeDefragmentation_Balanced(vector, index, true); + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FULL_BIT: + return ComputeDefragmentation_Full(vector); + case VMA_DEFRAGMENTATION_FLAG_ALGORITHM_EXTENSIVE_BIT: + return ComputeDefragmentation_Extensive(vector, index); } - return VK_SUCCESS; } -void VmaBlockVector::AddStats(VmaStats* pStats) +VmaDefragmentationContext_T::MoveAllocationData VmaDefragmentationContext_T::GetMoveData( + VmaAllocHandle handle, VmaBlockMetadata* metadata) { - const uint32_t memTypeIndex = m_MemoryTypeIndex; - const uint32_t memHeapIndex = m_hAllocator->MemoryTypeIndexToHeapIndex(memTypeIndex); + MoveAllocationData moveData; + moveData.move.srcAllocation = (VmaAllocation)metadata->GetAllocationUserData(handle); + moveData.size = moveData.move.srcAllocation->GetSize(); + moveData.alignment = moveData.move.srcAllocation->GetAlignment(); + moveData.type = moveData.move.srcAllocation->GetSuballocationType(); + moveData.flags = 0; - VmaMutexLockRead lock(m_Mutex, m_hAllocator->m_UseMutex); + if (moveData.move.srcAllocation->IsPersistentMap()) + moveData.flags |= VMA_ALLOCATION_CREATE_MAPPED_BIT; + if (moveData.move.srcAllocation->IsMappingAllowed()) + moveData.flags |= VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT; - for(uint32_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex) - { - const VmaDeviceMemoryBlock* const pBlock = m_Blocks[blockIndex]; - VMA_ASSERT(pBlock); - VMA_HEAVY_ASSERT(pBlock->Validate()); - VmaStatInfo allocationStatInfo; - pBlock->m_pMetadata->CalcAllocationStatInfo(allocationStatInfo); - VmaAddStatInfo(pStats->total, allocationStatInfo); - VmaAddStatInfo(pStats->memoryType[memTypeIndex], allocationStatInfo); - VmaAddStatInfo(pStats->memoryHeap[memHeapIndex], allocationStatInfo); - } -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaDefragmentationAlgorithm_Generic members definition - -VmaDefragmentationAlgorithm_Generic::VmaDefragmentationAlgorithm_Generic( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool /*overlappingMoveSupported*/) : - VmaDefragmentationAlgorithm(hAllocator, pBlockVector, currentFrameIndex), - m_AllocationCount(0), - m_AllAllocations(false), - m_BytesMoved(0), - m_AllocationsMoved(0), - m_Blocks(VmaStlAllocator<BlockInfo*>(hAllocator->GetAllocationCallbacks())) -{ - // Create block info for each block. - const size_t blockCount = m_pBlockVector->m_Blocks.size(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) - { - BlockInfo* pBlockInfo = vma_new(m_hAllocator, BlockInfo)(m_hAllocator->GetAllocationCallbacks()); - pBlockInfo->m_OriginalBlockIndex = blockIndex; - pBlockInfo->m_pBlock = m_pBlockVector->m_Blocks[blockIndex]; - m_Blocks.push_back(pBlockInfo); - } - - // Sort them by m_pBlock pointer value. - VMA_SORT(m_Blocks.begin(), m_Blocks.end(), BlockPointerLess()); + return moveData; } -VmaDefragmentationAlgorithm_Generic::~VmaDefragmentationAlgorithm_Generic() +VmaDefragmentationContext_T::CounterStatus VmaDefragmentationContext_T::CheckCounters(VkDeviceSize bytes) { - for(size_t i = m_Blocks.size(); i--; ) + // Ignore allocation if will exceed max size for copy + if (m_PassStats.bytesMoved + bytes > m_MaxPassBytes) { - vma_delete(m_hAllocator, m_Blocks[i]); + if (++m_IgnoredAllocs < MAX_ALLOCS_TO_IGNORE) + return CounterStatus::Ignore; + else + return CounterStatus::End; } + return CounterStatus::Pass; } -void VmaDefragmentationAlgorithm_Generic::AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) +bool VmaDefragmentationContext_T::IncrementCounters(VkDeviceSize bytes) { - // Now as we are inside VmaBlockVector::m_Mutex, we can make final check if this allocation was not lost. - if(hAlloc->GetLastUseFrameIndex() != VMA_FRAME_INDEX_LOST) + m_PassStats.bytesMoved += bytes; + // Early return when max found + if (++m_PassStats.allocationsMoved >= m_MaxPassAllocations || m_PassStats.bytesMoved >= m_MaxPassBytes) { - VmaDeviceMemoryBlock* pBlock = hAlloc->GetBlock(); - BlockInfoVector::iterator it = VmaBinaryFindFirstNotLess(m_Blocks.begin(), m_Blocks.end(), pBlock, BlockPointerLess()); - if(it != m_Blocks.end() && (*it)->m_pBlock == pBlock) - { - AllocationInfo allocInfo = AllocationInfo(hAlloc, pChanged); - (*it)->m_Allocations.push_back(allocInfo); - } - else - { - VMA_ASSERT(0); - } - - ++m_AllocationCount; + VMA_ASSERT(m_PassStats.allocationsMoved == m_MaxPassAllocations || + m_PassStats.bytesMoved == m_MaxPassBytes && "Exceeded maximal pass threshold!"); + return true; } + return false; } -VkResult VmaDefragmentationAlgorithm_Generic::DefragmentRound( - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove) +bool VmaDefragmentationContext_T::ReallocWithinBlock(VmaBlockVector& vector, VmaDeviceMemoryBlock* block) { - if(m_Blocks.empty()) - { - return VK_SUCCESS; - } - - // This is a choice based on research. - // Option 1: - uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT; - // Option 2: - //uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT; - // Option 3: - //uint32_t strategy = VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT; - - size_t srcBlockMinIndex = 0; - // When FAST_ALGORITHM, move allocations from only last out of blocks that contain non-movable allocations. - /* - if(m_AlgorithmFlags & VMA_DEFRAGMENTATION_FAST_ALGORITHM_BIT) - { - const size_t blocksWithNonMovableCount = CalcBlocksWithNonMovableCount(); - if(blocksWithNonMovableCount > 0) - { - srcBlockMinIndex = blocksWithNonMovableCount - 1; - } - } - */ + VmaBlockMetadata* metadata = block->m_pMetadata; - size_t srcBlockIndex = m_Blocks.size() - 1; - size_t srcAllocIndex = SIZE_MAX; - for(;;) + for (VmaAllocHandle handle = metadata->GetAllocationListBegin(); + handle != VK_NULL_HANDLE; + handle = metadata->GetNextAllocation(handle)) { - // 1. Find next allocation to move. - // 1.1. Start from last to first m_Blocks - they are sorted from most "destination" to most "source". - // 1.2. Then start from last to first m_Allocations. - while(srcAllocIndex >= m_Blocks[srcBlockIndex]->m_Allocations.size()) + MoveAllocationData moveData = GetMoveData(handle, metadata); + // Ignore newly created allocations by defragmentation algorithm + if (moveData.move.srcAllocation->GetUserData() == this) + continue; + switch (CheckCounters(moveData.move.srcAllocation->GetSize())) { - if(m_Blocks[srcBlockIndex]->m_Allocations.empty()) - { - // Finished: no more allocations to process. - if(srcBlockIndex == srcBlockMinIndex) - { - return VK_SUCCESS; - } - else - { - --srcBlockIndex; - srcAllocIndex = SIZE_MAX; - } - } - else - { - srcAllocIndex = m_Blocks[srcBlockIndex]->m_Allocations.size() - 1; - } + case CounterStatus::Ignore: + continue; + case CounterStatus::End: + return true; + default: + VMA_ASSERT(0); + case CounterStatus::Pass: + break; } - BlockInfo* pSrcBlockInfo = m_Blocks[srcBlockIndex]; - AllocationInfo& allocInfo = pSrcBlockInfo->m_Allocations[srcAllocIndex]; - - const VkDeviceSize size = allocInfo.m_hAllocation->GetSize(); - const VkDeviceSize srcOffset = allocInfo.m_hAllocation->GetOffset(); - const VkDeviceSize alignment = allocInfo.m_hAllocation->GetAlignment(); - const VmaSuballocationType suballocType = allocInfo.m_hAllocation->GetSuballocationType(); - - // 2. Try to find new place for this allocation in preceding or current block. - for(size_t dstBlockIndex = 0; dstBlockIndex <= srcBlockIndex; ++dstBlockIndex) - { - BlockInfo* pDstBlockInfo = m_Blocks[dstBlockIndex]; - VmaAllocationRequest dstAllocRequest; - if(pDstBlockInfo->m_pBlock->m_pMetadata->CreateAllocationRequest( - m_CurrentFrameIndex, - m_pBlockVector->GetFrameInUseCount(), - m_pBlockVector->GetBufferImageGranularity(), - size, - alignment, - false, // upperAddress - suballocType, - false, // canMakeOtherLost - strategy, - &dstAllocRequest) && - MoveMakesSense( - dstBlockIndex, dstAllocRequest.offset, srcBlockIndex, srcOffset)) + VkDeviceSize offset = moveData.move.srcAllocation->GetOffset(); + if (offset != 0 && metadata->GetSumFreeSize() >= moveData.size) + { + VmaAllocationRequest request = {}; + if (metadata->CreateAllocationRequest( + moveData.size, + moveData.alignment, + false, + moveData.type, + VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT, + &request)) { - VMA_ASSERT(dstAllocRequest.itemsToMakeLostCount == 0); - - // Reached limit on number of allocations or bytes to move. - if((m_AllocationsMoved + 1 > maxAllocationsToMove) || - (m_BytesMoved + size > maxBytesToMove)) + if (metadata->GetAllocationOffset(request.allocHandle) < offset) { - return VK_SUCCESS; - } - - VmaDefragmentationMove move; - move.srcBlockIndex = pSrcBlockInfo->m_OriginalBlockIndex; - move.dstBlockIndex = pDstBlockInfo->m_OriginalBlockIndex; - move.srcOffset = srcOffset; - move.dstOffset = dstAllocRequest.offset; - move.size = size; - moves.push_back(move); - - pDstBlockInfo->m_pBlock->m_pMetadata->Alloc( - dstAllocRequest, - suballocType, - size, - allocInfo.m_hAllocation); - pSrcBlockInfo->m_pBlock->m_pMetadata->FreeAtOffset(srcOffset); - - allocInfo.m_hAllocation->ChangeBlockAllocation(m_hAllocator, pDstBlockInfo->m_pBlock, dstAllocRequest.offset); - - if(allocInfo.m_pChanged != VMA_NULL) - { - *allocInfo.m_pChanged = VK_TRUE; + if (vector.CommitAllocationRequest( + request, + block, + moveData.alignment, + moveData.flags, + this, + moveData.type, + &moveData.move.dstTmpAllocation) == VK_SUCCESS) + { + m_Moves.push_back(moveData.move); + if (IncrementCounters(moveData.size)) + return true; + } } - - ++m_AllocationsMoved; - m_BytesMoved += size; - - VmaVectorRemove(pSrcBlockInfo->m_Allocations, srcAllocIndex); - - break; - } - } - - // If not processed, this allocInfo remains in pBlockInfo->m_Allocations for next round. - - if(srcAllocIndex > 0) - { - --srcAllocIndex; - } - else - { - if(srcBlockIndex > 0) - { - --srcBlockIndex; - srcAllocIndex = SIZE_MAX; - } - else - { - return VK_SUCCESS; } } } + return false; } -size_t VmaDefragmentationAlgorithm_Generic::CalcBlocksWithNonMovableCount() const +bool VmaDefragmentationContext_T::AllocInOtherBlock(size_t start, size_t end, MoveAllocationData& data, VmaBlockVector& vector) { - size_t result = 0; - for(size_t i = 0; i < m_Blocks.size(); ++i) + for (; start < end; ++start) { - if(m_Blocks[i]->m_HasNonMovableAllocations) + VmaDeviceMemoryBlock* dstBlock = vector.GetBlock(start); + if (dstBlock->m_pMetadata->GetSumFreeSize() >= data.size) { - ++result; + if (vector.AllocateFromBlock(dstBlock, + data.size, + data.alignment, + data.flags, + this, + data.type, + 0, + &data.move.dstTmpAllocation) == VK_SUCCESS) + { + m_Moves.push_back(data.move); + if (IncrementCounters(data.size)) + return true; + break; + } } } - return result; + return false; } -VkResult VmaDefragmentationAlgorithm_Generic::Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove) +bool VmaDefragmentationContext_T::ComputeDefragmentation_Fast(VmaBlockVector& vector) { - if(!m_AllAllocations && m_AllocationCount == 0) - { - return VK_SUCCESS; - } + // Move only between blocks - const size_t blockCount = m_Blocks.size(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + // Go through allocations in last blocks and try to fit them inside first ones + for (size_t i = vector.GetBlockCount() - 1; i > m_ImmovableBlockCount; --i) { - BlockInfo* pBlockInfo = m_Blocks[blockIndex]; + VmaBlockMetadata* metadata = vector.GetBlock(i)->m_pMetadata; - if(m_AllAllocations) + for (VmaAllocHandle handle = metadata->GetAllocationListBegin(); + handle != VK_NULL_HANDLE; + handle = metadata->GetNextAllocation(handle)) { - VmaBlockMetadata_Generic* pMetadata = (VmaBlockMetadata_Generic*)pBlockInfo->m_pBlock->m_pMetadata; - for(VmaSuballocationList::const_iterator it = pMetadata->m_Suballocations.begin(); - it != pMetadata->m_Suballocations.end(); - ++it) + MoveAllocationData moveData = GetMoveData(handle, metadata); + // Ignore newly created allocations by defragmentation algorithm + if (moveData.move.srcAllocation->GetUserData() == this) + continue; + switch (CheckCounters(moveData.move.srcAllocation->GetSize())) { - if(it->type != VMA_SUBALLOCATION_TYPE_FREE) - { - AllocationInfo allocInfo = AllocationInfo(it->hAllocation, VMA_NULL); - pBlockInfo->m_Allocations.push_back(allocInfo); - } + case CounterStatus::Ignore: + continue; + case CounterStatus::End: + return true; + default: + VMA_ASSERT(0); + case CounterStatus::Pass: + break; } - } - - pBlockInfo->CalcHasNonMovableAllocations(); - - // This is a choice based on research. - // Option 1: - pBlockInfo->SortAllocationsByOffsetDescending(); - // Option 2: - //pBlockInfo->SortAllocationsBySizeDescending(); - } - - // Sort m_Blocks this time by the main criterium, from most "destination" to most "source" blocks. - VMA_SORT(m_Blocks.begin(), m_Blocks.end(), BlockInfoCompareMoveDestination()); - - // This is a choice based on research. - const uint32_t roundCount = 2; - - // Execute defragmentation rounds (the main part). - VkResult result = VK_SUCCESS; - for(uint32_t round = 0; (round < roundCount) && (result == VK_SUCCESS); ++round) - { - result = DefragmentRound(moves, maxBytesToMove, maxAllocationsToMove); - } - - return result; -} -bool VmaDefragmentationAlgorithm_Generic::MoveMakesSense( - size_t dstBlockIndex, VkDeviceSize dstOffset, - size_t srcBlockIndex, VkDeviceSize srcOffset) -{ - if(dstBlockIndex < srcBlockIndex) - { - return true; - } - if(dstBlockIndex > srcBlockIndex) - { - return false; - } - if(dstOffset < srcOffset) - { - return true; + // Check all previous blocks for free space + if (AllocInOtherBlock(0, i, moveData, vector)) + return true; + } } return false; } -//////////////////////////////////////////////////////////////////////////////// -// VmaDefragmentationAlgorithm_Fast - -VmaDefragmentationAlgorithm_Fast::VmaDefragmentationAlgorithm_Fast( - VmaAllocator hAllocator, - VmaBlockVector* pBlockVector, - uint32_t currentFrameIndex, - bool overlappingMoveSupported) : - VmaDefragmentationAlgorithm(hAllocator, pBlockVector, currentFrameIndex), - m_OverlappingMoveSupported(overlappingMoveSupported), - m_AllocationCount(0), - m_AllAllocations(false), - m_BytesMoved(0), - m_AllocationsMoved(0), - m_BlockInfos(VmaStlAllocator<BlockInfo>(hAllocator->GetAllocationCallbacks())) -{ - VMA_ASSERT(VMA_DEBUG_MARGIN == 0); - -} - -VmaDefragmentationAlgorithm_Fast::~VmaDefragmentationAlgorithm_Fast() +bool VmaDefragmentationContext_T::ComputeDefragmentation_Balanced(VmaBlockVector& vector, size_t index, bool update) { -} + // Go over every allocation and try to fit it in previous blocks at lowest offsets, + // if not possible: realloc within single block to minimize offset (exclude offset == 0), + // but only if there are noticable gaps between them (some heuristic, ex. average size of allocation in block) + VMA_ASSERT(m_AlgorithmState != VMA_NULL); -VkResult VmaDefragmentationAlgorithm_Fast::Defragment( - VmaVector< VmaDefragmentationMove, VmaStlAllocator<VmaDefragmentationMove> >& moves, - VkDeviceSize maxBytesToMove, - uint32_t maxAllocationsToMove) -{ - VMA_ASSERT(m_AllAllocations || m_pBlockVector->CalcAllocationCount() == m_AllocationCount); + StateBalanced& vectorState = reinterpret_cast<StateBalanced*>(m_AlgorithmState)[index]; + if (update && vectorState.avgAllocSize == UINT64_MAX) + UpdateVectorStatistics(vector, vectorState); - const size_t blockCount = m_pBlockVector->GetBlockCount(); - if(blockCount == 0 || maxBytesToMove == 0 || maxAllocationsToMove == 0) + const size_t startMoveCount = m_Moves.size(); + VkDeviceSize minimalFreeRegion = vectorState.avgFreeSize / 2; + for (size_t i = vector.GetBlockCount() - 1; i > m_ImmovableBlockCount; --i) { - return VK_SUCCESS; - } - - PreprocessMetadata(); - - // Sort blocks in order from most destination. - - m_BlockInfos.resize(blockCount); - for(size_t i = 0; i < blockCount; ++i) - { - m_BlockInfos[i].origBlockIndex = i; - } - - VMA_SORT(m_BlockInfos.begin(), m_BlockInfos.end(), [this](const BlockInfo& lhs, const BlockInfo& rhs) -> bool { - return m_pBlockVector->GetBlock(lhs.origBlockIndex)->m_pMetadata->GetSumFreeSize() < - m_pBlockVector->GetBlock(rhs.origBlockIndex)->m_pMetadata->GetSumFreeSize(); - }); + VmaDeviceMemoryBlock* block = vector.GetBlock(i); + VmaBlockMetadata* metadata = block->m_pMetadata; + VkDeviceSize prevFreeRegionSize = 0; - // THE MAIN ALGORITHM - - FreeSpaceDatabase freeSpaceDb; - - size_t dstBlockInfoIndex = 0; - size_t dstOrigBlockIndex = m_BlockInfos[dstBlockInfoIndex].origBlockIndex; - VmaDeviceMemoryBlock* pDstBlock = m_pBlockVector->GetBlock(dstOrigBlockIndex); - VmaBlockMetadata_Generic* pDstMetadata = (VmaBlockMetadata_Generic*)pDstBlock->m_pMetadata; - VkDeviceSize dstBlockSize = pDstMetadata->GetSize(); - VkDeviceSize dstOffset = 0; - - bool end = false; - for(size_t srcBlockInfoIndex = 0; !end && srcBlockInfoIndex < blockCount; ++srcBlockInfoIndex) - { - const size_t srcOrigBlockIndex = m_BlockInfos[srcBlockInfoIndex].origBlockIndex; - VmaDeviceMemoryBlock* const pSrcBlock = m_pBlockVector->GetBlock(srcOrigBlockIndex); - VmaBlockMetadata_Generic* const pSrcMetadata = (VmaBlockMetadata_Generic*)pSrcBlock->m_pMetadata; - for(VmaSuballocationList::iterator srcSuballocIt = pSrcMetadata->m_Suballocations.begin(); - !end && srcSuballocIt != pSrcMetadata->m_Suballocations.end(); ) + for (VmaAllocHandle handle = metadata->GetAllocationListBegin(); + handle != VK_NULL_HANDLE; + handle = metadata->GetNextAllocation(handle)) { - VmaAllocation_T* const pAlloc = srcSuballocIt->hAllocation; - const VkDeviceSize srcAllocAlignment = pAlloc->GetAlignment(); - const VkDeviceSize srcAllocSize = srcSuballocIt->size; - if(m_AllocationsMoved == maxAllocationsToMove || - m_BytesMoved + srcAllocSize > maxBytesToMove) + MoveAllocationData moveData = GetMoveData(handle, metadata); + // Ignore newly created allocations by defragmentation algorithm + if (moveData.move.srcAllocation->GetUserData() == this) + continue; + switch (CheckCounters(moveData.move.srcAllocation->GetSize())) { - end = true; + case CounterStatus::Ignore: + continue; + case CounterStatus::End: + return true; + default: + VMA_ASSERT(0); + case CounterStatus::Pass: break; } - const VkDeviceSize srcAllocOffset = srcSuballocIt->offset; - - // Try to place it in one of free spaces from the database. - size_t freeSpaceInfoIndex; - VkDeviceSize dstAllocOffset; - if(freeSpaceDb.Fetch(srcAllocAlignment, srcAllocSize, - freeSpaceInfoIndex, dstAllocOffset)) - { - size_t freeSpaceOrigBlockIndex = m_BlockInfos[freeSpaceInfoIndex].origBlockIndex; - VmaDeviceMemoryBlock* pFreeSpaceBlock = m_pBlockVector->GetBlock(freeSpaceOrigBlockIndex); - VmaBlockMetadata_Generic* pFreeSpaceMetadata = (VmaBlockMetadata_Generic*)pFreeSpaceBlock->m_pMetadata; - - // Same block - if(freeSpaceInfoIndex == srcBlockInfoIndex) - { - VMA_ASSERT(dstAllocOffset <= srcAllocOffset); - - // MOVE OPTION 1: Move the allocation inside the same block by decreasing offset. - - VmaSuballocation suballoc = *srcSuballocIt; - suballoc.offset = dstAllocOffset; - suballoc.hAllocation->ChangeOffset(dstAllocOffset); - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - - VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; - ++nextSuballocIt; - pSrcMetadata->m_Suballocations.erase(srcSuballocIt); - srcSuballocIt = nextSuballocIt; - - InsertSuballoc(pFreeSpaceMetadata, suballoc); - - VmaDefragmentationMove move = { - srcOrigBlockIndex, freeSpaceOrigBlockIndex, - srcAllocOffset, dstAllocOffset, - srcAllocSize }; - moves.push_back(move); - } - // Different block - else - { - // MOVE OPTION 2: Move the allocation to a different block. - - VMA_ASSERT(freeSpaceInfoIndex < srcBlockInfoIndex); - - VmaSuballocation suballoc = *srcSuballocIt; - suballoc.offset = dstAllocOffset; - suballoc.hAllocation->ChangeBlockAllocation(m_hAllocator, pFreeSpaceBlock, dstAllocOffset); - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - - VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; - ++nextSuballocIt; - pSrcMetadata->m_Suballocations.erase(srcSuballocIt); - srcSuballocIt = nextSuballocIt; - InsertSuballoc(pFreeSpaceMetadata, suballoc); + // Check all previous blocks for free space + const size_t prevMoveCount = m_Moves.size(); + if (AllocInOtherBlock(0, i, moveData, vector)) + return true; - VmaDefragmentationMove move = { - srcOrigBlockIndex, freeSpaceOrigBlockIndex, - srcAllocOffset, dstAllocOffset, - srcAllocSize }; - moves.push_back(move); - } - } - else + VkDeviceSize nextFreeRegionSize = metadata->GetNextFreeRegionSize(handle); + // If no room found then realloc within block for lower offset + VkDeviceSize offset = moveData.move.srcAllocation->GetOffset(); + if (prevMoveCount == m_Moves.size() && offset != 0 && metadata->GetSumFreeSize() >= moveData.size) { - dstAllocOffset = VmaAlignUp(dstOffset, srcAllocAlignment); - - // If the allocation doesn't fit before the end of dstBlock, forward to next block. - while(dstBlockInfoIndex < srcBlockInfoIndex && - dstAllocOffset + srcAllocSize > dstBlockSize) + // Check if realloc will make sense + if (prevFreeRegionSize >= minimalFreeRegion || + nextFreeRegionSize >= minimalFreeRegion || + moveData.size <= vectorState.avgFreeSize || + moveData.size <= vectorState.avgAllocSize) { - // But before that, register remaining free space at the end of dst block. - freeSpaceDb.Register(dstBlockInfoIndex, dstOffset, dstBlockSize - dstOffset); - - ++dstBlockInfoIndex; - dstOrigBlockIndex = m_BlockInfos[dstBlockInfoIndex].origBlockIndex; - pDstBlock = m_pBlockVector->GetBlock(dstOrigBlockIndex); - pDstMetadata = (VmaBlockMetadata_Generic*)pDstBlock->m_pMetadata; - dstBlockSize = pDstMetadata->GetSize(); - dstOffset = 0; - dstAllocOffset = 0; - } - - // Same block - if(dstBlockInfoIndex == srcBlockInfoIndex) - { - VMA_ASSERT(dstAllocOffset <= srcAllocOffset); - - const bool overlap = dstAllocOffset + srcAllocSize > srcAllocOffset; - - bool skipOver = overlap; - if(overlap && m_OverlappingMoveSupported && dstAllocOffset < srcAllocOffset) - { - // If destination and source place overlap, skip if it would move it - // by only < 1/64 of its size. - skipOver = (srcAllocOffset - dstAllocOffset) * 64 < srcAllocSize; - } - - if(skipOver) - { - freeSpaceDb.Register(dstBlockInfoIndex, dstOffset, srcAllocOffset - dstOffset); - - dstOffset = srcAllocOffset + srcAllocSize; - ++srcSuballocIt; - } - // MOVE OPTION 1: Move the allocation inside the same block by decreasing offset. - else + VmaAllocationRequest request = {}; + if (metadata->CreateAllocationRequest( + moveData.size, + moveData.alignment, + false, + moveData.type, + VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT, + &request)) { - srcSuballocIt->offset = dstAllocOffset; - srcSuballocIt->hAllocation->ChangeOffset(dstAllocOffset); - dstOffset = dstAllocOffset + srcAllocSize; - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - ++srcSuballocIt; - VmaDefragmentationMove move = { - srcOrigBlockIndex, dstOrigBlockIndex, - srcAllocOffset, dstAllocOffset, - srcAllocSize }; - moves.push_back(move); + if (metadata->GetAllocationOffset(request.allocHandle) < offset) + { + if (vector.CommitAllocationRequest( + request, + block, + moveData.alignment, + moveData.flags, + this, + moveData.type, + &moveData.move.dstTmpAllocation) == VK_SUCCESS) + { + m_Moves.push_back(moveData.move); + if (IncrementCounters(moveData.size)) + return true; + } + } } } - // Different block - else - { - // MOVE OPTION 2: Move the allocation to a different block. - - VMA_ASSERT(dstBlockInfoIndex < srcBlockInfoIndex); - VMA_ASSERT(dstAllocOffset + srcAllocSize <= dstBlockSize); - - VmaSuballocation suballoc = *srcSuballocIt; - suballoc.offset = dstAllocOffset; - suballoc.hAllocation->ChangeBlockAllocation(m_hAllocator, pDstBlock, dstAllocOffset); - dstOffset = dstAllocOffset + srcAllocSize; - m_BytesMoved += srcAllocSize; - ++m_AllocationsMoved; - - VmaSuballocationList::iterator nextSuballocIt = srcSuballocIt; - ++nextSuballocIt; - pSrcMetadata->m_Suballocations.erase(srcSuballocIt); - srcSuballocIt = nextSuballocIt; - - pDstMetadata->m_Suballocations.push_back(suballoc); - - VmaDefragmentationMove move = { - srcOrigBlockIndex, dstOrigBlockIndex, - srcAllocOffset, dstAllocOffset, - srcAllocSize }; - moves.push_back(move); - } } + prevFreeRegionSize = nextFreeRegionSize; } } - - m_BlockInfos.clear(); - PostprocessMetadata(); - - return VK_SUCCESS; -} - -void VmaDefragmentationAlgorithm_Fast::PreprocessMetadata() -{ - const size_t blockCount = m_pBlockVector->GetBlockCount(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + // No moves perfomed, update statistics to current vector state + if (startMoveCount == m_Moves.size() && !update) { - VmaBlockMetadata_Generic* const pMetadata = - (VmaBlockMetadata_Generic*)m_pBlockVector->GetBlock(blockIndex)->m_pMetadata; - pMetadata->m_FreeCount = 0; - pMetadata->m_SumFreeSize = pMetadata->GetSize(); - pMetadata->m_FreeSuballocationsBySize.clear(); - for(VmaSuballocationList::iterator it = pMetadata->m_Suballocations.begin(); - it != pMetadata->m_Suballocations.end(); ) - { - if(it->type == VMA_SUBALLOCATION_TYPE_FREE) - { - VmaSuballocationList::iterator nextIt = it; - ++nextIt; - pMetadata->m_Suballocations.erase(it); - it = nextIt; - } - else - { - ++it; - } - } + vectorState.avgAllocSize = UINT64_MAX; + return ComputeDefragmentation_Balanced(vector, index, false); } + return false; } -void VmaDefragmentationAlgorithm_Fast::PostprocessMetadata() +bool VmaDefragmentationContext_T::ComputeDefragmentation_Full(VmaBlockVector& vector) { - const size_t blockCount = m_pBlockVector->GetBlockCount(); - for(size_t blockIndex = 0; blockIndex < blockCount; ++blockIndex) + // Go over every allocation and try to fit it in previous blocks at lowest offsets, + // if not possible: realloc within single block to minimize offset (exclude offset == 0) + + for (size_t i = vector.GetBlockCount() - 1; i > m_ImmovableBlockCount; --i) { - VmaBlockMetadata_Generic* const pMetadata = - (VmaBlockMetadata_Generic*)m_pBlockVector->GetBlock(blockIndex)->m_pMetadata; - const VkDeviceSize blockSize = pMetadata->GetSize(); - - // No allocations in this block - entire area is free. - if(pMetadata->m_Suballocations.empty()) - { - pMetadata->m_FreeCount = 1; - //pMetadata->m_SumFreeSize is already set to blockSize. - VmaSuballocation suballoc = { - 0, // offset - blockSize, // size - VMA_NULL, // hAllocation - VMA_SUBALLOCATION_TYPE_FREE }; - pMetadata->m_Suballocations.push_back(suballoc); - pMetadata->RegisterFreeSuballocation(pMetadata->m_Suballocations.begin()); - } - // There are some allocations in this block. - else + VmaDeviceMemoryBlock* block = vector.GetBlock(i); + VmaBlockMetadata* metadata = block->m_pMetadata; + + for (VmaAllocHandle handle = metadata->GetAllocationListBegin(); + handle != VK_NULL_HANDLE; + handle = metadata->GetNextAllocation(handle)) { - VkDeviceSize offset = 0; - VmaSuballocationList::iterator it; - for(it = pMetadata->m_Suballocations.begin(); - it != pMetadata->m_Suballocations.end(); - ++it) + MoveAllocationData moveData = GetMoveData(handle, metadata); + // Ignore newly created allocations by defragmentation algorithm + if (moveData.move.srcAllocation->GetUserData() == this) + continue; + switch (CheckCounters(moveData.move.srcAllocation->GetSize())) { - VMA_ASSERT(it->type != VMA_SUBALLOCATION_TYPE_FREE); - VMA_ASSERT(it->offset >= offset); - - // Need to insert preceding free space. - if(it->offset > offset) - { - ++pMetadata->m_FreeCount; - const VkDeviceSize freeSize = it->offset - offset; - VmaSuballocation suballoc = { - offset, // offset - freeSize, // size - VMA_NULL, // hAllocation - VMA_SUBALLOCATION_TYPE_FREE }; - VmaSuballocationList::iterator precedingFreeIt = pMetadata->m_Suballocations.insert(it, suballoc); - if(freeSize >= VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) - { - pMetadata->m_FreeSuballocationsBySize.push_back(precedingFreeIt); - } - } - - pMetadata->m_SumFreeSize -= it->size; - offset = it->offset + it->size; + case CounterStatus::Ignore: + continue; + case CounterStatus::End: + return true; + default: + VMA_ASSERT(0); + case CounterStatus::Pass: + break; } - // Need to insert trailing free space. - if(offset < blockSize) + // Check all previous blocks for free space + const size_t prevMoveCount = m_Moves.size(); + if (AllocInOtherBlock(0, i, moveData, vector)) + return true; + + // If no room found then realloc within block for lower offset + VkDeviceSize offset = moveData.move.srcAllocation->GetOffset(); + if (prevMoveCount == m_Moves.size() && offset != 0 && metadata->GetSumFreeSize() >= moveData.size) { - ++pMetadata->m_FreeCount; - const VkDeviceSize freeSize = blockSize - offset; - VmaSuballocation suballoc = { - offset, // offset - freeSize, // size - VMA_NULL, // hAllocation - VMA_SUBALLOCATION_TYPE_FREE }; - VMA_ASSERT(it == pMetadata->m_Suballocations.end()); - VmaSuballocationList::iterator trailingFreeIt = pMetadata->m_Suballocations.insert(it, suballoc); - if(freeSize > VMA_MIN_FREE_SUBALLOCATION_SIZE_TO_REGISTER) + VmaAllocationRequest request = {}; + if (metadata->CreateAllocationRequest( + moveData.size, + moveData.alignment, + false, + moveData.type, + VMA_ALLOCATION_CREATE_STRATEGY_MIN_OFFSET_BIT, + &request)) { - pMetadata->m_FreeSuballocationsBySize.push_back(trailingFreeIt); + if (metadata->GetAllocationOffset(request.allocHandle) < offset) + { + if (vector.CommitAllocationRequest( + request, + block, + moveData.alignment, + moveData.flags, + this, + moveData.type, + &moveData.move.dstTmpAllocation) == VK_SUCCESS) + { + m_Moves.push_back(moveData.move); + if (IncrementCounters(moveData.size)) + return true; + } + } } } - - VMA_SORT( - pMetadata->m_FreeSuballocationsBySize.begin(), - pMetadata->m_FreeSuballocationsBySize.end(), - VmaSuballocationItemSizeLess()); } - - VMA_HEAVY_ASSERT(pMetadata->Validate()); } + return false; } -void VmaDefragmentationAlgorithm_Fast::InsertSuballoc(VmaBlockMetadata_Generic* pMetadata, const VmaSuballocation& suballoc) -{ - // TODO: Optimize somehow. Remember iterator instead of searching for it linearly. - VmaSuballocationList::iterator it = pMetadata->m_Suballocations.begin(); - while(it != pMetadata->m_Suballocations.end()) - { - if(it->offset < suballoc.offset) - { - ++it; - } - } - pMetadata->m_Suballocations.insert(it, suballoc); -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaBlockVectorDefragmentationContext - -VmaBlockVectorDefragmentationContext::VmaBlockVectorDefragmentationContext( - VmaAllocator hAllocator, - VmaPool hCustomPool, - VmaBlockVector* pBlockVector, - uint32_t currFrameIndex) : - res(VK_SUCCESS), - mutexLocked(false), - blockContexts(VmaStlAllocator<VmaBlockDefragmentationContext>(hAllocator->GetAllocationCallbacks())), - m_hAllocator(hAllocator), - m_hCustomPool(hCustomPool), - m_pBlockVector(pBlockVector), - m_CurrFrameIndex(currFrameIndex), - m_pAlgorithm(VMA_NULL), - m_Allocations(VmaStlAllocator<AllocInfo>(hAllocator->GetAllocationCallbacks())), - m_AllAllocations(false) -{ -} - -VmaBlockVectorDefragmentationContext::~VmaBlockVectorDefragmentationContext() -{ - vma_delete(m_hAllocator, m_pAlgorithm); -} - -void VmaBlockVectorDefragmentationContext::AddAllocation(VmaAllocation hAlloc, VkBool32* pChanged) +bool VmaDefragmentationContext_T::ComputeDefragmentation_Extensive(VmaBlockVector& vector, size_t index) { - AllocInfo info = { hAlloc, pChanged }; - m_Allocations.push_back(info); -} + // First free single block, then populate it to the brim, then free another block, and so on -void VmaBlockVectorDefragmentationContext::Begin(bool overlappingMoveSupported) -{ - const bool allAllocations = m_AllAllocations || - m_Allocations.size() == m_pBlockVector->CalcAllocationCount(); + // Fallback to previous algorithm since without granularity conflicts it can achieve max packing + if (vector.m_BufferImageGranularity == 1) + return ComputeDefragmentation_Full(vector); - /******************************** - HERE IS THE CHOICE OF DEFRAGMENTATION ALGORITHM. - ********************************/ + VMA_ASSERT(m_AlgorithmState != VMA_NULL); - /* - Fast algorithm is supported only when certain criteria are met: - - VMA_DEBUG_MARGIN is 0. - - All allocations in this block vector are moveable. - - There is no possibility of image/buffer granularity conflict. - */ - if(VMA_DEBUG_MARGIN == 0 && - allAllocations && - !m_pBlockVector->IsBufferImageGranularityConflictPossible()) - { - m_pAlgorithm = vma_new(m_hAllocator, VmaDefragmentationAlgorithm_Fast)( - m_hAllocator, m_pBlockVector, m_CurrFrameIndex, overlappingMoveSupported); - } - else - { - m_pAlgorithm = vma_new(m_hAllocator, VmaDefragmentationAlgorithm_Generic)( - m_hAllocator, m_pBlockVector, m_CurrFrameIndex, overlappingMoveSupported); - } + StateExtensive& vectorState = reinterpret_cast<StateExtensive*>(m_AlgorithmState)[index]; - if(allAllocations) + bool texturePresent = false, bufferPresent = false, otherPresent = false; + switch (vectorState.operation) { - m_pAlgorithm->AddAll(); - } - else + case StateExtensive::Operation::Done: // Vector defragmented + return false; + case StateExtensive::Operation::FindFreeBlockBuffer: + case StateExtensive::Operation::FindFreeBlockTexture: + case StateExtensive::Operation::FindFreeBlockAll: { - for(size_t i = 0, count = m_Allocations.size(); i < count; ++i) + // No more blocks to free, just perform fast realloc and move to cleanup + if (vectorState.firstFreeBlock == 0) { - m_pAlgorithm->AddAllocation(m_Allocations[i].hAlloc, m_Allocations[i].pChanged); + vectorState.operation = StateExtensive::Operation::Cleanup; + return ComputeDefragmentation_Fast(vector); } - } -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaDefragmentationContext -VmaDefragmentationContext_T::VmaDefragmentationContext_T( - VmaAllocator hAllocator, - uint32_t currFrameIndex, - uint32_t /*flags*/, - VmaDefragmentationStats* pStats) : - m_hAllocator(hAllocator), - m_CurrFrameIndex(currFrameIndex), - //m_Flags(flags), - m_pStats(pStats), - m_CustomPoolContexts(VmaStlAllocator<VmaBlockVectorDefragmentationContext*>(hAllocator->GetAllocationCallbacks())) -{ - memset(m_DefaultPoolContexts, 0, sizeof(m_DefaultPoolContexts)); -} + // No free blocks, have to clear last one + size_t last = (vectorState.firstFreeBlock == SIZE_MAX ? vector.GetBlockCount() : vectorState.firstFreeBlock) - 1; + VmaBlockMetadata* freeMetadata = vector.GetBlock(last)->m_pMetadata; -VmaDefragmentationContext_T::~VmaDefragmentationContext_T() -{ - for(size_t i = m_CustomPoolContexts.size(); i--; ) - { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[i]; - pBlockVectorCtx->GetBlockVector()->DefragmentationEnd(pBlockVectorCtx, m_pStats); - vma_delete(m_hAllocator, pBlockVectorCtx); - } - for(size_t i = m_hAllocator->m_MemProps.memoryTypeCount; i--; ) - { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[i]; - if(pBlockVectorCtx) + const size_t prevMoveCount = m_Moves.size(); + for (VmaAllocHandle handle = freeMetadata->GetAllocationListBegin(); + handle != VK_NULL_HANDLE; + handle = freeMetadata->GetNextAllocation(handle)) { - pBlockVectorCtx->GetBlockVector()->DefragmentationEnd(pBlockVectorCtx, m_pStats); - vma_delete(m_hAllocator, pBlockVectorCtx); + MoveAllocationData moveData = GetMoveData(handle, freeMetadata); + switch (CheckCounters(moveData.move.srcAllocation->GetSize())) + { + case CounterStatus::Ignore: + continue; + case CounterStatus::End: + return true; + default: + VMA_ASSERT(0); + case CounterStatus::Pass: + break; + } + + // Check all previous blocks for free space + if (AllocInOtherBlock(0, last, moveData, vector)) + { + // Full clear performed already + if (prevMoveCount != m_Moves.size() && freeMetadata->GetNextAllocation(handle) == VK_NULL_HANDLE) + reinterpret_cast<size_t*>(m_AlgorithmState)[index] = last; + return true; + } } - } -} -void VmaDefragmentationContext_T::AddPools(uint32_t poolCount, VmaPool* pPools) -{ - for(uint32_t poolIndex = 0; poolIndex < poolCount; ++poolIndex) - { - VmaPool pool = pPools[poolIndex]; - VMA_ASSERT(pool); - // Pools with algorithm other than default are not defragmented. - if(pool->m_BlockVector.GetAlgorithm() == 0) + if (prevMoveCount == m_Moves.size()) { - VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; - - for(size_t i = m_CustomPoolContexts.size(); i--; ) + // Cannot perform full clear, have to move data in other blocks around + if (last != 0) { - if(m_CustomPoolContexts[i]->GetCustomPool() == pool) + for (size_t i = last - 1; i; --i) { - pBlockVectorDefragCtx = m_CustomPoolContexts[i]; - break; + if (ReallocWithinBlock(vector, vector.GetBlock(i))) + return true; } } - - if(!pBlockVectorDefragCtx) + + if (prevMoveCount == m_Moves.size()) { - pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( - m_hAllocator, - pool, - &pool->m_BlockVector, - m_CurrFrameIndex); - m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); + // No possible reallocs within blocks, try to move them around fast + return ComputeDefragmentation_Fast(vector); } - - pBlockVectorDefragCtx->AddAll(); } + else + { + switch (vectorState.operation) + { + case StateExtensive::Operation::FindFreeBlockBuffer: + vectorState.operation = StateExtensive::Operation::MoveBuffers; + break; + default: + VMA_ASSERT(0); + case StateExtensive::Operation::FindFreeBlockTexture: + vectorState.operation = StateExtensive::Operation::MoveTextures; + break; + case StateExtensive::Operation::FindFreeBlockAll: + vectorState.operation = StateExtensive::Operation::MoveAll; + break; + } + vectorState.firstFreeBlock = last; + // Nothing done, block found without reallocations, can perform another reallocs in same pass + return ComputeDefragmentation_Extensive(vector, index); + } + break; } -} - -void VmaDefragmentationContext_T::AddAllocations( - uint32_t allocationCount, - VmaAllocation* pAllocations, - VkBool32* pAllocationsChanged) -{ - // Dispatch pAllocations among defragmentators. Create them when necessary. - for(uint32_t allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + case StateExtensive::Operation::MoveTextures: { - const VmaAllocation hAlloc = pAllocations[allocIndex]; - VMA_ASSERT(hAlloc); - // DedicatedAlloc cannot be defragmented. - if((hAlloc->GetType() == VmaAllocation_T::ALLOCATION_TYPE_BLOCK) && - // Lost allocation cannot be defragmented. - (hAlloc->GetLastUseFrameIndex() != VMA_FRAME_INDEX_LOST)) + if (MoveDataToFreeBlocks(VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL, vector, + vectorState.firstFreeBlock, texturePresent, bufferPresent, otherPresent)) { - VmaBlockVectorDefragmentationContext* pBlockVectorDefragCtx = VMA_NULL; + if (texturePresent) + { + vectorState.operation = StateExtensive::Operation::FindFreeBlockTexture; + return ComputeDefragmentation_Extensive(vector, index); + } - const VmaPool hAllocPool = hAlloc->GetBlock()->GetParentPool(); - // This allocation belongs to custom pool. - if(hAllocPool != VK_NULL_HANDLE) + if (!bufferPresent && !otherPresent) { - // Pools with algorithm other than default are not defragmented. - if(hAllocPool->m_BlockVector.GetAlgorithm() == 0) - { - for(size_t i = m_CustomPoolContexts.size(); i--; ) - { - if(m_CustomPoolContexts[i]->GetCustomPool() == hAllocPool) - { - pBlockVectorDefragCtx = m_CustomPoolContexts[i]; - break; - } - } - if(!pBlockVectorDefragCtx) - { - pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( - m_hAllocator, - hAllocPool, - &hAllocPool->m_BlockVector, - m_CurrFrameIndex); - m_CustomPoolContexts.push_back(pBlockVectorDefragCtx); - } - } + vectorState.operation = StateExtensive::Operation::Cleanup; + break; } - // This allocation belongs to default pool. - else + + // No more textures to move, check buffers + vectorState.operation = StateExtensive::Operation::MoveBuffers; + bufferPresent = false; + otherPresent = false; + } + else + break; + } + case StateExtensive::Operation::MoveBuffers: + { + if (MoveDataToFreeBlocks(VMA_SUBALLOCATION_TYPE_BUFFER, vector, + vectorState.firstFreeBlock, texturePresent, bufferPresent, otherPresent)) + { + if (bufferPresent) { - const uint32_t memTypeIndex = hAlloc->GetMemoryTypeIndex(); - pBlockVectorDefragCtx = m_DefaultPoolContexts[memTypeIndex]; - if(!pBlockVectorDefragCtx) - { - pBlockVectorDefragCtx = vma_new(m_hAllocator, VmaBlockVectorDefragmentationContext)( - m_hAllocator, - VMA_NULL, // hCustomPool - m_hAllocator->m_pBlockVectors[memTypeIndex], - m_CurrFrameIndex); - m_DefaultPoolContexts[memTypeIndex] = pBlockVectorDefragCtx; - } + vectorState.operation = StateExtensive::Operation::FindFreeBlockBuffer; + return ComputeDefragmentation_Extensive(vector, index); } - if(pBlockVectorDefragCtx) + if (!otherPresent) { - VkBool32* const pChanged = (pAllocationsChanged != VMA_NULL) ? - &pAllocationsChanged[allocIndex] : VMA_NULL; - pBlockVectorDefragCtx->AddAllocation(hAlloc, pChanged); + vectorState.operation = StateExtensive::Operation::Cleanup; + break; } - } - } -} -VkResult VmaDefragmentationContext_T::Defragment( - VkDeviceSize maxCpuBytesToMove, uint32_t maxCpuAllocationsToMove, - VkDeviceSize maxGpuBytesToMove, uint32_t maxGpuAllocationsToMove, - VkCommandBuffer commandBuffer, VmaDefragmentationStats* pStats) -{ - if(pStats) - { - memset(pStats, 0, sizeof(VmaDefragmentationStats)); + // No more buffers to move, check all others + vectorState.operation = StateExtensive::Operation::MoveAll; + otherPresent = false; + } + else + break; } - - if(commandBuffer == VK_NULL_HANDLE) + case StateExtensive::Operation::MoveAll: { - maxGpuBytesToMove = 0; - maxGpuAllocationsToMove = 0; - } - - VkResult res = VK_SUCCESS; - - // Process default pools. - for(uint32_t memTypeIndex = 0; - memTypeIndex < m_hAllocator->GetMemoryTypeCount() && res >= VK_SUCCESS; - ++memTypeIndex) - { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_DefaultPoolContexts[memTypeIndex]; - if(pBlockVectorCtx) - { - VMA_ASSERT(pBlockVectorCtx->GetBlockVector()); - pBlockVectorCtx->GetBlockVector()->Defragment( - pBlockVectorCtx, - pStats, - maxCpuBytesToMove, maxCpuAllocationsToMove, - maxGpuBytesToMove, maxGpuAllocationsToMove, - commandBuffer); - if(pBlockVectorCtx->res != VK_SUCCESS) + if (MoveDataToFreeBlocks(VMA_SUBALLOCATION_TYPE_FREE, vector, + vectorState.firstFreeBlock, texturePresent, bufferPresent, otherPresent)) + { + if (otherPresent) { - res = pBlockVectorCtx->res; + vectorState.operation = StateExtensive::Operation::FindFreeBlockBuffer; + return ComputeDefragmentation_Extensive(vector, index); } + // Everything moved + vectorState.operation = StateExtensive::Operation::Cleanup; } + break; + } + case StateExtensive::Operation::Cleanup: + // Cleanup is handled below so that other operations may reuse the cleanup code. This case is here to prevent the unhandled enum value warning (C4062). + break; } - // Process custom pools. - for(size_t customCtxIndex = 0, customCtxCount = m_CustomPoolContexts.size(); - customCtxIndex < customCtxCount && res >= VK_SUCCESS; - ++customCtxIndex) + if (vectorState.operation == StateExtensive::Operation::Cleanup) { - VmaBlockVectorDefragmentationContext* pBlockVectorCtx = m_CustomPoolContexts[customCtxIndex]; - VMA_ASSERT(pBlockVectorCtx && pBlockVectorCtx->GetBlockVector()); - pBlockVectorCtx->GetBlockVector()->Defragment( - pBlockVectorCtx, - pStats, - maxCpuBytesToMove, maxCpuAllocationsToMove, - maxGpuBytesToMove, maxGpuAllocationsToMove, - commandBuffer); - if(pBlockVectorCtx->res != VK_SUCCESS) + // All other work done, pack data in blocks even tighter if possible + const size_t prevMoveCount = m_Moves.size(); + for (size_t i = 0; i < vector.GetBlockCount(); ++i) { - res = pBlockVectorCtx->res; + if (ReallocWithinBlock(vector, vector.GetBlock(i))) + return true; } - } - - return res; -} -//////////////////////////////////////////////////////////////////////////////// -// VmaRecorder - -#if VMA_RECORDING_ENABLED - -VmaRecorder::VmaRecorder() : - m_UseMutex(true), - m_Flags(0), - m_File(VMA_NULL), - m_Freq(INT64_MAX), - m_StartCounter(INT64_MAX) -{ + if (prevMoveCount == m_Moves.size()) + vectorState.operation = StateExtensive::Operation::Done; + } + return false; } -VkResult VmaRecorder::Init(const VmaRecordSettings& settings, bool useMutex) +void VmaDefragmentationContext_T::UpdateVectorStatistics(VmaBlockVector& vector, StateBalanced& state) { - m_UseMutex = useMutex; - m_Flags = settings.flags; + size_t allocCount = 0; + size_t freeCount = 0; + state.avgFreeSize = 0; + state.avgAllocSize = 0; - QueryPerformanceFrequency((LARGE_INTEGER*)&m_Freq); - QueryPerformanceCounter((LARGE_INTEGER*)&m_StartCounter); - - // Open file for writing. - errno_t err = fopen_s(&m_File, settings.pFilePath, "wb"); - if(err != 0) + for (size_t i = 0; i < vector.GetBlockCount(); ++i) { - return VK_ERROR_INITIALIZATION_FAILED; - } + VmaBlockMetadata* metadata = vector.GetBlock(i)->m_pMetadata; - // Write header. - fprintf(m_File, "%s\n", "Vulkan Memory Allocator,Calls recording"); - fprintf(m_File, "%s\n", "1,8"); + allocCount += metadata->GetAllocationCount(); + freeCount += metadata->GetFreeRegionsCount(); + state.avgFreeSize += metadata->GetSumFreeSize(); + state.avgAllocSize += metadata->GetSize(); + } - return VK_SUCCESS; + state.avgAllocSize = (state.avgAllocSize - state.avgFreeSize) / allocCount; + state.avgFreeSize /= freeCount; } -VmaRecorder::~VmaRecorder() +bool VmaDefragmentationContext_T::MoveDataToFreeBlocks(VmaSuballocationType currentType, + VmaBlockVector& vector, size_t firstFreeBlock, + bool& texturePresent, bool& bufferPresent, bool& otherPresent) { - if(m_File != VMA_NULL) + const size_t prevMoveCount = m_Moves.size(); + for (size_t i = firstFreeBlock ; i;) { - fclose(m_File); - } -} - -void VmaRecorder::RecordCreateAllocator(uint32_t frameIndex) -{ - CallParams callParams; - GetBasicParams(callParams); + VmaDeviceMemoryBlock* block = vector.GetBlock(--i); + VmaBlockMetadata* metadata = block->m_pMetadata; - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaCreateAllocator\n", callParams.threadId, callParams.time, frameIndex); - Flush(); -} + for (VmaAllocHandle handle = metadata->GetAllocationListBegin(); + handle != VK_NULL_HANDLE; + handle = metadata->GetNextAllocation(handle)) + { + MoveAllocationData moveData = GetMoveData(handle, metadata); + // Ignore newly created allocations by defragmentation algorithm + if (moveData.move.srcAllocation->GetUserData() == this) + continue; + switch (CheckCounters(moveData.move.srcAllocation->GetSize())) + { + case CounterStatus::Ignore: + continue; + case CounterStatus::End: + return true; + default: + VMA_ASSERT(0); + case CounterStatus::Pass: + break; + } -void VmaRecorder::RecordDestroyAllocator(uint32_t frameIndex) -{ - CallParams callParams; - GetBasicParams(callParams); + // Move only single type of resources at once + if (!VmaIsBufferImageGranularityConflict(moveData.type, currentType)) + { + // Try to fit allocation into free blocks + if (AllocInOtherBlock(firstFreeBlock, vector.GetBlockCount(), moveData, vector)) + return false; + } - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyAllocator\n", callParams.threadId, callParams.time, frameIndex); - Flush(); + if (!VmaIsBufferImageGranularityConflict(moveData.type, VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL)) + texturePresent = true; + else if (!VmaIsBufferImageGranularityConflict(moveData.type, VMA_SUBALLOCATION_TYPE_BUFFER)) + bufferPresent = true; + else + otherPresent = true; + } + } + return prevMoveCount == m_Moves.size(); } +#endif // _VMA_DEFRAGMENTATION_CONTEXT_FUNCTIONS -void VmaRecorder::RecordCreatePool(uint32_t frameIndex, const VmaPoolCreateInfo& createInfo, VmaPool pool) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaCreatePool,%u,%u,%llu,%llu,%llu,%u,%p\n", callParams.threadId, callParams.time, frameIndex, +#ifndef _VMA_POOL_T_FUNCTIONS +VmaPool_T::VmaPool_T( + VmaAllocator hAllocator, + const VmaPoolCreateInfo& createInfo, + VkDeviceSize preferredBlockSize) + : m_BlockVector( + hAllocator, + this, // hParentPool createInfo.memoryTypeIndex, - createInfo.flags, - createInfo.blockSize, - (uint64_t)createInfo.minBlockCount, - (uint64_t)createInfo.maxBlockCount, - createInfo.frameInUseCount, - pool); - Flush(); -} - -void VmaRecorder::RecordDestroyPool(uint32_t frameIndex, VmaPool pool) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyPool,%p\n", callParams.threadId, callParams.time, frameIndex, - pool); - Flush(); -} - -void VmaRecorder::RecordAllocateMemory(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemory,%llu,%llu,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordAllocateMemoryPages(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - const VmaAllocationCreateInfo& createInfo, - uint64_t allocationCount, - const VmaAllocation* pAllocations) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemoryPages,%llu,%llu,%u,%u,%u,%u,%u,%u,%p,", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool); - PrintPointerList(allocationCount, pAllocations); - fprintf(m_File, ",%s\n", userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordAllocateMemoryForBuffer(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemoryForBuffer,%llu,%llu,%u,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - requiresDedicatedAllocation ? 1 : 0, - prefersDedicatedAllocation ? 1 : 0, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordAllocateMemoryForImage(uint32_t frameIndex, - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - const VmaAllocationCreateInfo& createInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(createInfo.flags, createInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaAllocateMemoryForImage,%llu,%llu,%u,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - vkMemReq.size, - vkMemReq.alignment, - vkMemReq.memoryTypeBits, - requiresDedicatedAllocation ? 1 : 0, - prefersDedicatedAllocation ? 1 : 0, - createInfo.flags, - createInfo.usage, - createInfo.requiredFlags, - createInfo.preferredFlags, - createInfo.memoryTypeBits, - createInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordFreeMemory(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaFreeMemory,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordFreeMemoryPages(uint32_t frameIndex, - uint64_t allocationCount, - const VmaAllocation* pAllocations) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaFreeMemoryPages,", callParams.threadId, callParams.time, frameIndex); - PrintPointerList(allocationCount, pAllocations); - fprintf(m_File, "\n"); - Flush(); -} - -void VmaRecorder::RecordSetAllocationUserData(uint32_t frameIndex, - VmaAllocation allocation, - const void* pUserData) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr( - allocation->IsUserDataString() ? VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT : 0, - pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaSetAllocationUserData,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordCreateLostAllocation(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaCreateLostAllocation,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordMapMemory(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaMapMemory,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordUnmapMemory(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaUnmapMemory,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordFlushAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaFlushAllocation,%p,%llu,%llu\n", callParams.threadId, callParams.time, frameIndex, - allocation, - offset, - size); - Flush(); -} - -void VmaRecorder::RecordInvalidateAllocation(uint32_t frameIndex, - VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaInvalidateAllocation,%p,%llu,%llu\n", callParams.threadId, callParams.time, frameIndex, - allocation, - offset, - size); - Flush(); -} - -void VmaRecorder::RecordCreateBuffer(uint32_t frameIndex, - const VkBufferCreateInfo& bufCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(allocCreateInfo.flags, allocCreateInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaCreateBuffer,%u,%llu,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - bufCreateInfo.flags, - bufCreateInfo.size, - bufCreateInfo.usage, - bufCreateInfo.sharingMode, - allocCreateInfo.flags, - allocCreateInfo.usage, - allocCreateInfo.requiredFlags, - allocCreateInfo.preferredFlags, - allocCreateInfo.memoryTypeBits, - allocCreateInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordCreateImage(uint32_t frameIndex, - const VkImageCreateInfo& imageCreateInfo, - const VmaAllocationCreateInfo& allocCreateInfo, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - UserDataString userDataStr(allocCreateInfo.flags, allocCreateInfo.pUserData); - fprintf(m_File, "%u,%.3f,%u,vmaCreateImage,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%u,%p,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - imageCreateInfo.flags, - imageCreateInfo.imageType, - imageCreateInfo.format, - imageCreateInfo.extent.width, - imageCreateInfo.extent.height, - imageCreateInfo.extent.depth, - imageCreateInfo.mipLevels, - imageCreateInfo.arrayLayers, - imageCreateInfo.samples, - imageCreateInfo.tiling, - imageCreateInfo.usage, - imageCreateInfo.sharingMode, - imageCreateInfo.initialLayout, - allocCreateInfo.flags, - allocCreateInfo.usage, - allocCreateInfo.requiredFlags, - allocCreateInfo.preferredFlags, - allocCreateInfo.memoryTypeBits, - allocCreateInfo.pool, - allocation, - userDataStr.GetString()); - Flush(); -} - -void VmaRecorder::RecordDestroyBuffer(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyBuffer,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordDestroyImage(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDestroyImage,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordTouchAllocation(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaTouchAllocation,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordGetAllocationInfo(uint32_t frameIndex, - VmaAllocation allocation) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaGetAllocationInfo,%p\n", callParams.threadId, callParams.time, frameIndex, - allocation); - Flush(); -} - -void VmaRecorder::RecordMakePoolAllocationsLost(uint32_t frameIndex, - VmaPool pool) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaMakePoolAllocationsLost,%p\n", callParams.threadId, callParams.time, frameIndex, - pool); - Flush(); -} - -void VmaRecorder::RecordDefragmentationBegin(uint32_t frameIndex, - const VmaDefragmentationInfo2& info, - VmaDefragmentationContext ctx) -{ - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDefragmentationBegin,%u,", callParams.threadId, callParams.time, frameIndex, - info.flags); - PrintPointerList(info.allocationCount, info.pAllocations); - fprintf(m_File, ","); - PrintPointerList(info.poolCount, info.pPools); - fprintf(m_File, ",%llu,%u,%llu,%u,%p,%p\n", - info.maxCpuBytesToMove, - info.maxCpuAllocationsToMove, - info.maxGpuBytesToMove, - info.maxGpuAllocationsToMove, - info.commandBuffer, - ctx); - Flush(); -} + createInfo.blockSize != 0 ? createInfo.blockSize : preferredBlockSize, + createInfo.minBlockCount, + createInfo.maxBlockCount, + (createInfo.flags& VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT) != 0 ? 1 : hAllocator->GetBufferImageGranularity(), + createInfo.blockSize != 0, // explicitBlockSize + createInfo.flags & VMA_POOL_CREATE_ALGORITHM_MASK, // algorithm + createInfo.priority, + VMA_MAX(hAllocator->GetMemoryTypeMinAlignment(createInfo.memoryTypeIndex), createInfo.minAllocationAlignment), + createInfo.pMemoryAllocateNext), + m_Id(0), + m_Name(VMA_NULL) {} -void VmaRecorder::RecordDefragmentationEnd(uint32_t frameIndex, - VmaDefragmentationContext ctx) +VmaPool_T::~VmaPool_T() { - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaDefragmentationEnd,%p\n", callParams.threadId, callParams.time, frameIndex, - ctx); - Flush(); + VMA_ASSERT(m_PrevPool == VMA_NULL && m_NextPool == VMA_NULL); } -void VmaRecorder::RecordSetPoolName(uint32_t frameIndex, - VmaPool pool, - const char* name) +void VmaPool_T::SetName(const char* pName) { - CallParams callParams; - GetBasicParams(callParams); - - VmaMutexLock lock(m_FileMutex, m_UseMutex); - fprintf(m_File, "%u,%.3f,%u,vmaSetPoolName,%p,%s\n", callParams.threadId, callParams.time, frameIndex, - pool, name != VMA_NULL ? name : ""); - Flush(); -} + const VkAllocationCallbacks* allocs = m_BlockVector.GetAllocator()->GetAllocationCallbacks(); + VmaFreeString(allocs, m_Name); -VmaRecorder::UserDataString::UserDataString(VmaAllocationCreateFlags allocFlags, const void* pUserData) -{ - if(pUserData != VMA_NULL) + if (pName != VMA_NULL) { - if((allocFlags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0) - { - m_Str = (const char*)pUserData; - } - else - { - sprintf_s(m_PtrStr, "%p", pUserData); - m_Str = m_PtrStr; - } + m_Name = VmaCreateStringCopy(allocs, pName); } else { - m_Str = ""; - } -} - -void VmaRecorder::WriteConfiguration( - const VkPhysicalDeviceProperties& devProps, - const VkPhysicalDeviceMemoryProperties& memProps, - uint32_t vulkanApiVersion, - bool dedicatedAllocationExtensionEnabled, - bool bindMemory2ExtensionEnabled, - bool memoryBudgetExtensionEnabled) -{ - fprintf(m_File, "Config,Begin\n"); - - fprintf(m_File, "VulkanApiVersion,%u,%u\n", VK_VERSION_MAJOR(vulkanApiVersion), VK_VERSION_MINOR(vulkanApiVersion)); - - fprintf(m_File, "PhysicalDevice,apiVersion,%u\n", devProps.apiVersion); - fprintf(m_File, "PhysicalDevice,driverVersion,%u\n", devProps.driverVersion); - fprintf(m_File, "PhysicalDevice,vendorID,%u\n", devProps.vendorID); - fprintf(m_File, "PhysicalDevice,deviceID,%u\n", devProps.deviceID); - fprintf(m_File, "PhysicalDevice,deviceType,%u\n", devProps.deviceType); - fprintf(m_File, "PhysicalDevice,deviceName,%s\n", devProps.deviceName); - - fprintf(m_File, "PhysicalDeviceLimits,maxMemoryAllocationCount,%u\n", devProps.limits.maxMemoryAllocationCount); - fprintf(m_File, "PhysicalDeviceLimits,bufferImageGranularity,%llu\n", devProps.limits.bufferImageGranularity); - fprintf(m_File, "PhysicalDeviceLimits,nonCoherentAtomSize,%llu\n", devProps.limits.nonCoherentAtomSize); - - fprintf(m_File, "PhysicalDeviceMemory,HeapCount,%u\n", memProps.memoryHeapCount); - for(uint32_t i = 0; i < memProps.memoryHeapCount; ++i) - { - fprintf(m_File, "PhysicalDeviceMemory,Heap,%u,size,%llu\n", i, memProps.memoryHeaps[i].size); - fprintf(m_File, "PhysicalDeviceMemory,Heap,%u,flags,%u\n", i, memProps.memoryHeaps[i].flags); - } - fprintf(m_File, "PhysicalDeviceMemory,TypeCount,%u\n", memProps.memoryTypeCount); - for(uint32_t i = 0; i < memProps.memoryTypeCount; ++i) - { - fprintf(m_File, "PhysicalDeviceMemory,Type,%u,heapIndex,%u\n", i, memProps.memoryTypes[i].heapIndex); - fprintf(m_File, "PhysicalDeviceMemory,Type,%u,propertyFlags,%u\n", i, memProps.memoryTypes[i].propertyFlags); - } - - fprintf(m_File, "Extension,VK_KHR_dedicated_allocation,%u\n", dedicatedAllocationExtensionEnabled ? 1 : 0); - fprintf(m_File, "Extension,VK_KHR_bind_memory2,%u\n", bindMemory2ExtensionEnabled ? 1 : 0); - fprintf(m_File, "Extension,VK_EXT_memory_budget,%u\n", memoryBudgetExtensionEnabled ? 1 : 0); - - fprintf(m_File, "Macro,VMA_DEBUG_ALWAYS_DEDICATED_MEMORY,%u\n", VMA_DEBUG_ALWAYS_DEDICATED_MEMORY ? 1 : 0); - fprintf(m_File, "Macro,VMA_DEBUG_ALIGNMENT,%llu\n", (VkDeviceSize)VMA_DEBUG_ALIGNMENT); - fprintf(m_File, "Macro,VMA_DEBUG_MARGIN,%llu\n", (VkDeviceSize)VMA_DEBUG_MARGIN); - fprintf(m_File, "Macro,VMA_DEBUG_INITIALIZE_ALLOCATIONS,%u\n", VMA_DEBUG_INITIALIZE_ALLOCATIONS ? 1 : 0); - fprintf(m_File, "Macro,VMA_DEBUG_DETECT_CORRUPTION,%u\n", VMA_DEBUG_DETECT_CORRUPTION ? 1 : 0); - fprintf(m_File, "Macro,VMA_DEBUG_GLOBAL_MUTEX,%u\n", VMA_DEBUG_GLOBAL_MUTEX ? 1 : 0); - fprintf(m_File, "Macro,VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY,%llu\n", (VkDeviceSize)VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY); - fprintf(m_File, "Macro,VMA_SMALL_HEAP_MAX_SIZE,%llu\n", (VkDeviceSize)VMA_SMALL_HEAP_MAX_SIZE); - fprintf(m_File, "Macro,VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE,%llu\n", (VkDeviceSize)VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE); - - fprintf(m_File, "Config,End\n"); -} - -void VmaRecorder::GetBasicParams(CallParams& outParams) -{ - outParams.threadId = GetCurrentThreadId(); - - LARGE_INTEGER counter; - QueryPerformanceCounter(&counter); - outParams.time = (double)(counter.QuadPart - m_StartCounter) / (double)m_Freq; -} - -void VmaRecorder::PrintPointerList(uint64_t count, const VmaAllocation* pItems) -{ - if(count) - { - fprintf(m_File, "%p", pItems[0]); - for(uint64_t i = 1; i < count; ++i) - { - fprintf(m_File, " %p", pItems[i]); - } - } -} - -void VmaRecorder::Flush() -{ - if((m_Flags & VMA_RECORD_FLUSH_AFTER_CALL_BIT) != 0) - { - fflush(m_File); + m_Name = VMA_NULL; } } +#endif // _VMA_POOL_T_FUNCTIONS -#endif // #if VMA_RECORDING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// -// VmaAllocationObjectAllocator - -VmaAllocationObjectAllocator::VmaAllocationObjectAllocator(const VkAllocationCallbacks* pAllocationCallbacks) : - m_Allocator(pAllocationCallbacks, 1024) -{ -} - -VmaAllocation VmaAllocationObjectAllocator::Allocate() -{ - VmaMutexLock mutexLock(m_Mutex); - return m_Allocator.Alloc(); -} - -void VmaAllocationObjectAllocator::Free(VmaAllocation hAlloc) -{ - VmaMutexLock mutexLock(m_Mutex); - m_Allocator.Free(hAlloc); -} - -//////////////////////////////////////////////////////////////////////////////// -// VmaAllocator_T - +#ifndef _VMA_ALLOCATOR_T_FUNCTIONS VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : m_UseMutex((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT) == 0), m_VulkanApiVersion(pCreateInfo->vulkanApiVersion != 0 ? pCreateInfo->vulkanApiVersion : VK_API_VERSION_1_0), m_UseKhrDedicatedAllocation((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT) != 0), m_UseKhrBindMemory2((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_KHR_BIND_MEMORY2_BIT) != 0), m_UseExtMemoryBudget((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT) != 0), + m_UseAmdDeviceCoherentMemory((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_AMD_DEVICE_COHERENT_MEMORY_BIT) != 0), + m_UseKhrBufferDeviceAddress((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT) != 0), + m_UseExtMemoryPriority((pCreateInfo->flags & VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT) != 0), m_hDevice(pCreateInfo->device), m_hInstance(pCreateInfo->instance), m_AllocationCallbacksSpecified(pCreateInfo->pAllocationCallbacks != VMA_NULL), @@ -14595,15 +13998,12 @@ VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : *pCreateInfo->pAllocationCallbacks : VmaEmptyAllocationCallbacks), m_AllocationObjectAllocator(&m_AllocationCallbacks), m_HeapSizeLimitMask(0), + m_DeviceMemoryCount(0), m_PreferredLargeHeapBlockSize(0), m_PhysicalDevice(pCreateInfo->physicalDevice), - m_CurrentFrameIndex(0), m_GpuDefragmentationMemoryTypeBits(UINT32_MAX), - m_Pools(VmaStlAllocator<VmaPool>(GetAllocationCallbacks())), - m_NextPoolId(0) -#if VMA_RECORDING_ENABLED - ,m_pRecorder(VMA_NULL) -#endif + m_NextPoolId(0), + m_GlobalMemoryTypeBits(UINT32_MAX) { if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) { @@ -14617,7 +14017,7 @@ VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : VMA_ASSERT(VMA_DEBUG_MARGIN % sizeof(uint32_t) == 0); } - VMA_ASSERT(pCreateInfo->physicalDevice && pCreateInfo->device); + VMA_ASSERT(pCreateInfo->physicalDevice && pCreateInfo->device && pCreateInfo->instance); if(m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0)) { @@ -14640,23 +14040,45 @@ VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT set but required extension is disabled by preprocessor macros."); } #endif +#if !(VMA_BUFFER_DEVICE_ADDRESS) + if(m_UseKhrBufferDeviceAddress) + { + VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT is set but required extension or Vulkan 1.2 is not available in your Vulkan header or its support in VMA has been disabled by a preprocessor macro."); + } +#endif +#if VMA_VULKAN_VERSION < 1002000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 2, 0)) + { + VMA_ASSERT(0 && "vulkanApiVersion >= VK_API_VERSION_1_2 but required Vulkan version is disabled by preprocessor macros."); + } +#endif #if VMA_VULKAN_VERSION < 1001000 if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) { VMA_ASSERT(0 && "vulkanApiVersion >= VK_API_VERSION_1_1 but required Vulkan version is disabled by preprocessor macros."); } #endif +#if !(VMA_MEMORY_PRIORITY) + if(m_UseExtMemoryPriority) + { + VMA_ASSERT(0 && "VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT is set but required extension is not available in your Vulkan header or its support in VMA has been disabled by a preprocessor macro."); + } +#endif memset(&m_DeviceMemoryCallbacks, 0 ,sizeof(m_DeviceMemoryCallbacks)); memset(&m_PhysicalDeviceProperties, 0, sizeof(m_PhysicalDeviceProperties)); memset(&m_MemProps, 0, sizeof(m_MemProps)); - + memset(&m_pBlockVectors, 0, sizeof(m_pBlockVectors)); - memset(&m_pDedicatedAllocations, 0, sizeof(m_pDedicatedAllocations)); memset(&m_VulkanFunctions, 0, sizeof(m_VulkanFunctions)); +#if VMA_EXTERNAL_MEMORY + memset(&m_TypeExternalMemoryHandleTypes, 0, sizeof(m_TypeExternalMemoryHandleTypes)); +#endif // #if VMA_EXTERNAL_MEMORY + if(pCreateInfo->pDeviceMemoryCallbacks != VMA_NULL) { + m_DeviceMemoryCallbacks.pUserData = pCreateInfo->pDeviceMemoryCallbacks->pUserData; m_DeviceMemoryCallbacks.pfnAllocate = pCreateInfo->pDeviceMemoryCallbacks->pfnAllocate; m_DeviceMemoryCallbacks.pfnFree = pCreateInfo->pDeviceMemoryCallbacks->pfnFree; } @@ -14666,7 +14088,7 @@ VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : (*m_VulkanFunctions.vkGetPhysicalDeviceProperties)(m_PhysicalDevice, &m_PhysicalDeviceProperties); (*m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties)(m_PhysicalDevice, &m_MemProps); - VMA_ASSERT(VmaIsPow2(VMA_DEBUG_ALIGNMENT)); + VMA_ASSERT(VmaIsPow2(VMA_MIN_ALIGNMENT)); VMA_ASSERT(VmaIsPow2(VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY)); VMA_ASSERT(VmaIsPow2(m_PhysicalDeviceProperties.limits.bufferImageGranularity)); VMA_ASSERT(VmaIsPow2(m_PhysicalDeviceProperties.limits.nonCoherentAtomSize)); @@ -14674,6 +14096,16 @@ VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : m_PreferredLargeHeapBlockSize = (pCreateInfo->preferredLargeHeapBlockSize != 0) ? pCreateInfo->preferredLargeHeapBlockSize : static_cast<VkDeviceSize>(VMA_DEFAULT_LARGE_HEAP_BLOCK_SIZE); + m_GlobalMemoryTypeBits = CalculateGlobalMemoryTypeBits(); + +#if VMA_EXTERNAL_MEMORY + if(pCreateInfo->pTypeExternalMemoryHandleTypes != VMA_NULL) + { + memcpy(m_TypeExternalMemoryHandleTypes, pCreateInfo->pTypeExternalMemoryHandleTypes, + sizeof(VkExternalMemoryHandleTypeFlagsKHR) * GetMemoryTypeCount()); + } +#endif // #if VMA_EXTERNAL_MEMORY + if(pCreateInfo->pHeapSizeLimit != VMA_NULL) { for(uint32_t heapIndex = 0; heapIndex < GetMemoryHeapCount(); ++heapIndex) @@ -14692,23 +14124,26 @@ VmaAllocator_T::VmaAllocator_T(const VmaAllocatorCreateInfo* pCreateInfo) : for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(memTypeIndex); - - m_pBlockVectors[memTypeIndex] = vma_new(this, VmaBlockVector)( - this, - VK_NULL_HANDLE, // hParentPool - memTypeIndex, - preferredBlockSize, - 0, - SIZE_MAX, - GetBufferImageGranularity(), - pCreateInfo->frameInUseCount, - false, // explicitBlockSize - false); // linearAlgorithm - // No need to call m_pBlockVectors[memTypeIndex][blockVectorTypeIndex]->CreateMinBlocks here, - // becase minBlockCount is 0. - m_pDedicatedAllocations[memTypeIndex] = vma_new(this, AllocationVectorType)(VmaStlAllocator<VmaAllocation>(GetAllocationCallbacks())); - + // Create only supported types + if((m_GlobalMemoryTypeBits & (1u << memTypeIndex)) != 0) + { + const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(memTypeIndex); + m_pBlockVectors[memTypeIndex] = vma_new(this, VmaBlockVector)( + this, + VK_NULL_HANDLE, // hParentPool + memTypeIndex, + preferredBlockSize, + 0, + SIZE_MAX, + GetBufferImageGranularity(), + false, // explicitBlockSize + 0, // algorithm + 0.5f, // priority (0.5 is the default per Vulkan spec) + GetMemoryTypeMinAlignment(memTypeIndex), // minAllocationAlignment + VMA_NULL); // // pMemoryAllocateNext + // No need to call m_pBlockVectors[memTypeIndex][blockVectorTypeIndex]->CreateMinBlocks here, + // becase minBlockCount is 0. + } } } @@ -14716,30 +14151,6 @@ VkResult VmaAllocator_T::Init(const VmaAllocatorCreateInfo* pCreateInfo) { VkResult res = VK_SUCCESS; - if(pCreateInfo->pRecordSettings != VMA_NULL && - !VmaStrIsEmpty(pCreateInfo->pRecordSettings->pFilePath)) - { -#if VMA_RECORDING_ENABLED - m_pRecorder = vma_new(this, VmaRecorder)(); - res = m_pRecorder->Init(*pCreateInfo->pRecordSettings, m_UseMutex); - if(res != VK_SUCCESS) - { - return res; - } - m_pRecorder->WriteConfiguration( - m_PhysicalDeviceProperties, - m_MemProps, - m_VulkanApiVersion, - m_UseKhrDedicatedAllocation, - m_UseKhrBindMemory2, - m_UseExtMemoryBudget); - m_pRecorder->RecordCreateAllocator(GetCurrentFrameIndex()); -#else - VMA_ASSERT(0 && "VmaAllocatorCreateInfo::pRecordSettings used, but not supported due to VMA_RECORDING_ENABLED not defined to 1."); - return VK_ERROR_FEATURE_NOT_PRESENT; -#endif - } - #if VMA_MEMORY_BUDGET if(m_UseExtMemoryBudget) { @@ -14752,31 +14163,39 @@ VkResult VmaAllocator_T::Init(const VmaAllocatorCreateInfo* pCreateInfo) VmaAllocator_T::~VmaAllocator_T() { -#if VMA_RECORDING_ENABLED - if(m_pRecorder != VMA_NULL) + VMA_ASSERT(m_Pools.IsEmpty()); + + for(size_t memTypeIndex = GetMemoryTypeCount(); memTypeIndex--; ) { - m_pRecorder->RecordDestroyAllocator(GetCurrentFrameIndex()); - vma_delete(this, m_pRecorder); + vma_delete(this, m_pBlockVectors[memTypeIndex]); } +} + +void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions) +{ +#if VMA_STATIC_VULKAN_FUNCTIONS == 1 + ImportVulkanFunctions_Static(); #endif - - VMA_ASSERT(m_Pools.empty()); - for(size_t i = GetMemoryTypeCount(); i--; ) + if(pVulkanFunctions != VMA_NULL) { - if(m_pDedicatedAllocations[i] != VMA_NULL && !m_pDedicatedAllocations[i]->empty()) - { - VMA_ASSERT(0 && "Unfreed dedicated allocations found."); - } - - vma_delete(this, m_pDedicatedAllocations[i]); - vma_delete(this, m_pBlockVectors[i]); + ImportVulkanFunctions_Custom(pVulkanFunctions); } + +#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + ImportVulkanFunctions_Dynamic(); +#endif + + ValidateVulkanFunctions(); } -void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunctions) -{ #if VMA_STATIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ImportVulkanFunctions_Static() +{ + // Vulkan 1.0 + m_VulkanFunctions.vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)vkGetInstanceProcAddr; + m_VulkanFunctions.vkGetDeviceProcAddr = (PFN_vkGetDeviceProcAddr)vkGetDeviceProcAddr; m_VulkanFunctions.vkGetPhysicalDeviceProperties = (PFN_vkGetPhysicalDeviceProperties)vkGetPhysicalDeviceProperties; m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties = (PFN_vkGetPhysicalDeviceMemoryProperties)vkGetPhysicalDeviceMemoryProperties; m_VulkanFunctions.vkAllocateMemory = (PFN_vkAllocateMemory)vkAllocateMemory; @@ -14794,89 +14213,165 @@ void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunc m_VulkanFunctions.vkCreateImage = (PFN_vkCreateImage)vkCreateImage; m_VulkanFunctions.vkDestroyImage = (PFN_vkDestroyImage)vkDestroyImage; m_VulkanFunctions.vkCmdCopyBuffer = (PFN_vkCmdCopyBuffer)vkCmdCopyBuffer; + + // Vulkan 1.1 #if VMA_VULKAN_VERSION >= 1001000 if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) { - VMA_ASSERT(m_hInstance != VK_NULL_HANDLE); - m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR = - (PFN_vkGetBufferMemoryRequirements2KHR)vkGetDeviceProcAddr(m_hDevice, "vkGetBufferMemoryRequirements2"); - m_VulkanFunctions.vkGetImageMemoryRequirements2KHR = - (PFN_vkGetImageMemoryRequirements2KHR)vkGetDeviceProcAddr(m_hDevice, "vkGetImageMemoryRequirements2"); - m_VulkanFunctions.vkBindBufferMemory2KHR = - (PFN_vkBindBufferMemory2KHR)vkGetDeviceProcAddr(m_hDevice, "vkBindBufferMemory2"); - m_VulkanFunctions.vkBindImageMemory2KHR = - (PFN_vkBindImageMemory2KHR)vkGetDeviceProcAddr(m_hDevice, "vkBindImageMemory2"); - m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR = - (PFN_vkGetPhysicalDeviceMemoryProperties2KHR)vkGetInstanceProcAddr(m_hInstance, "vkGetPhysicalDeviceMemoryProperties2"); + m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR = (PFN_vkGetBufferMemoryRequirements2)vkGetBufferMemoryRequirements2; + m_VulkanFunctions.vkGetImageMemoryRequirements2KHR = (PFN_vkGetImageMemoryRequirements2)vkGetImageMemoryRequirements2; + m_VulkanFunctions.vkBindBufferMemory2KHR = (PFN_vkBindBufferMemory2)vkBindBufferMemory2; + m_VulkanFunctions.vkBindImageMemory2KHR = (PFN_vkBindImageMemory2)vkBindImageMemory2; + m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR = (PFN_vkGetPhysicalDeviceMemoryProperties2)vkGetPhysicalDeviceMemoryProperties2; } #endif + +#if VMA_VULKAN_VERSION >= 1003000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 3, 0)) + { + m_VulkanFunctions.vkGetDeviceBufferMemoryRequirements = (PFN_vkGetDeviceBufferMemoryRequirements)vkGetDeviceBufferMemoryRequirements; + m_VulkanFunctions.vkGetDeviceImageMemoryRequirements = (PFN_vkGetDeviceImageMemoryRequirements)vkGetDeviceImageMemoryRequirements; + } +#endif +} + +#endif // VMA_STATIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ImportVulkanFunctions_Custom(const VmaVulkanFunctions* pVulkanFunctions) +{ + VMA_ASSERT(pVulkanFunctions != VMA_NULL); + +#define VMA_COPY_IF_NOT_NULL(funcName) \ + if(pVulkanFunctions->funcName != VMA_NULL) m_VulkanFunctions.funcName = pVulkanFunctions->funcName; + + VMA_COPY_IF_NOT_NULL(vkGetInstanceProcAddr); + VMA_COPY_IF_NOT_NULL(vkGetDeviceProcAddr); + VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceProperties); + VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties); + VMA_COPY_IF_NOT_NULL(vkAllocateMemory); + VMA_COPY_IF_NOT_NULL(vkFreeMemory); + VMA_COPY_IF_NOT_NULL(vkMapMemory); + VMA_COPY_IF_NOT_NULL(vkUnmapMemory); + VMA_COPY_IF_NOT_NULL(vkFlushMappedMemoryRanges); + VMA_COPY_IF_NOT_NULL(vkInvalidateMappedMemoryRanges); + VMA_COPY_IF_NOT_NULL(vkBindBufferMemory); + VMA_COPY_IF_NOT_NULL(vkBindImageMemory); + VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements); + VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements); + VMA_COPY_IF_NOT_NULL(vkCreateBuffer); + VMA_COPY_IF_NOT_NULL(vkDestroyBuffer); + VMA_COPY_IF_NOT_NULL(vkCreateImage); + VMA_COPY_IF_NOT_NULL(vkDestroyImage); + VMA_COPY_IF_NOT_NULL(vkCmdCopyBuffer); + +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements2KHR); + VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements2KHR); +#endif + +#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 + VMA_COPY_IF_NOT_NULL(vkBindBufferMemory2KHR); + VMA_COPY_IF_NOT_NULL(vkBindImageMemory2KHR); +#endif + +#if VMA_MEMORY_BUDGET + VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties2KHR); +#endif + +#if VMA_VULKAN_VERSION >= 1003000 + VMA_COPY_IF_NOT_NULL(vkGetDeviceBufferMemoryRequirements); + VMA_COPY_IF_NOT_NULL(vkGetDeviceImageMemoryRequirements); +#endif + +#undef VMA_COPY_IF_NOT_NULL +} + +#if VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ImportVulkanFunctions_Dynamic() +{ + VMA_ASSERT(m_VulkanFunctions.vkGetInstanceProcAddr && m_VulkanFunctions.vkGetDeviceProcAddr && + "To use VMA_DYNAMIC_VULKAN_FUNCTIONS in new versions of VMA you now have to pass " + "VmaVulkanFunctions::vkGetInstanceProcAddr and vkGetDeviceProcAddr as VmaAllocatorCreateInfo::pVulkanFunctions. " + "Other members can be null."); + +#define VMA_FETCH_INSTANCE_FUNC(memberName, functionPointerType, functionNameString) \ + if(m_VulkanFunctions.memberName == VMA_NULL) \ + m_VulkanFunctions.memberName = \ + (functionPointerType)m_VulkanFunctions.vkGetInstanceProcAddr(m_hInstance, functionNameString); +#define VMA_FETCH_DEVICE_FUNC(memberName, functionPointerType, functionNameString) \ + if(m_VulkanFunctions.memberName == VMA_NULL) \ + m_VulkanFunctions.memberName = \ + (functionPointerType)m_VulkanFunctions.vkGetDeviceProcAddr(m_hDevice, functionNameString); + + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceProperties, PFN_vkGetPhysicalDeviceProperties, "vkGetPhysicalDeviceProperties"); + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties, PFN_vkGetPhysicalDeviceMemoryProperties, "vkGetPhysicalDeviceMemoryProperties"); + VMA_FETCH_DEVICE_FUNC(vkAllocateMemory, PFN_vkAllocateMemory, "vkAllocateMemory"); + VMA_FETCH_DEVICE_FUNC(vkFreeMemory, PFN_vkFreeMemory, "vkFreeMemory"); + VMA_FETCH_DEVICE_FUNC(vkMapMemory, PFN_vkMapMemory, "vkMapMemory"); + VMA_FETCH_DEVICE_FUNC(vkUnmapMemory, PFN_vkUnmapMemory, "vkUnmapMemory"); + VMA_FETCH_DEVICE_FUNC(vkFlushMappedMemoryRanges, PFN_vkFlushMappedMemoryRanges, "vkFlushMappedMemoryRanges"); + VMA_FETCH_DEVICE_FUNC(vkInvalidateMappedMemoryRanges, PFN_vkInvalidateMappedMemoryRanges, "vkInvalidateMappedMemoryRanges"); + VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory, PFN_vkBindBufferMemory, "vkBindBufferMemory"); + VMA_FETCH_DEVICE_FUNC(vkBindImageMemory, PFN_vkBindImageMemory, "vkBindImageMemory"); + VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements, PFN_vkGetBufferMemoryRequirements, "vkGetBufferMemoryRequirements"); + VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements, PFN_vkGetImageMemoryRequirements, "vkGetImageMemoryRequirements"); + VMA_FETCH_DEVICE_FUNC(vkCreateBuffer, PFN_vkCreateBuffer, "vkCreateBuffer"); + VMA_FETCH_DEVICE_FUNC(vkDestroyBuffer, PFN_vkDestroyBuffer, "vkDestroyBuffer"); + VMA_FETCH_DEVICE_FUNC(vkCreateImage, PFN_vkCreateImage, "vkCreateImage"); + VMA_FETCH_DEVICE_FUNC(vkDestroyImage, PFN_vkDestroyImage, "vkDestroyImage"); + VMA_FETCH_DEVICE_FUNC(vkCmdCopyBuffer, PFN_vkCmdCopyBuffer, "vkCmdCopyBuffer"); + +#if VMA_VULKAN_VERSION >= 1001000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) + { + VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements2KHR, PFN_vkGetBufferMemoryRequirements2, "vkGetBufferMemoryRequirements2"); + VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements2KHR, PFN_vkGetImageMemoryRequirements2, "vkGetImageMemoryRequirements2"); + VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory2KHR, PFN_vkBindBufferMemory2, "vkBindBufferMemory2"); + VMA_FETCH_DEVICE_FUNC(vkBindImageMemory2KHR, PFN_vkBindImageMemory2, "vkBindImageMemory2"); + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties2KHR, PFN_vkGetPhysicalDeviceMemoryProperties2, "vkGetPhysicalDeviceMemoryProperties2"); + } +#endif + #if VMA_DEDICATED_ALLOCATION if(m_UseKhrDedicatedAllocation) { - m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR = - (PFN_vkGetBufferMemoryRequirements2KHR)vkGetDeviceProcAddr(m_hDevice, "vkGetBufferMemoryRequirements2KHR"); - m_VulkanFunctions.vkGetImageMemoryRequirements2KHR = - (PFN_vkGetImageMemoryRequirements2KHR)vkGetDeviceProcAddr(m_hDevice, "vkGetImageMemoryRequirements2KHR"); + VMA_FETCH_DEVICE_FUNC(vkGetBufferMemoryRequirements2KHR, PFN_vkGetBufferMemoryRequirements2KHR, "vkGetBufferMemoryRequirements2KHR"); + VMA_FETCH_DEVICE_FUNC(vkGetImageMemoryRequirements2KHR, PFN_vkGetImageMemoryRequirements2KHR, "vkGetImageMemoryRequirements2KHR"); } #endif + #if VMA_BIND_MEMORY2 if(m_UseKhrBindMemory2) { - m_VulkanFunctions.vkBindBufferMemory2KHR = - (PFN_vkBindBufferMemory2KHR)vkGetDeviceProcAddr(m_hDevice, "vkBindBufferMemory2KHR"); - m_VulkanFunctions.vkBindImageMemory2KHR = - (PFN_vkBindImageMemory2KHR)vkGetDeviceProcAddr(m_hDevice, "vkBindImageMemory2KHR"); + VMA_FETCH_DEVICE_FUNC(vkBindBufferMemory2KHR, PFN_vkBindBufferMemory2KHR, "vkBindBufferMemory2KHR"); + VMA_FETCH_DEVICE_FUNC(vkBindImageMemory2KHR, PFN_vkBindImageMemory2KHR, "vkBindImageMemory2KHR"); } #endif // #if VMA_BIND_MEMORY2 + #if VMA_MEMORY_BUDGET - if(m_UseExtMemoryBudget && m_VulkanApiVersion < VK_MAKE_VERSION(1, 1, 0)) + if(m_UseExtMemoryBudget) { - VMA_ASSERT(m_hInstance != VK_NULL_HANDLE); - m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR = - (PFN_vkGetPhysicalDeviceMemoryProperties2KHR)vkGetInstanceProcAddr(m_hInstance, "vkGetPhysicalDeviceMemoryProperties2KHR"); + VMA_FETCH_INSTANCE_FUNC(vkGetPhysicalDeviceMemoryProperties2KHR, PFN_vkGetPhysicalDeviceMemoryProperties2KHR, "vkGetPhysicalDeviceMemoryProperties2KHR"); } #endif // #if VMA_MEMORY_BUDGET -#endif // #if VMA_STATIC_VULKAN_FUNCTIONS == 1 - -#define VMA_COPY_IF_NOT_NULL(funcName) \ - if(pVulkanFunctions->funcName != VMA_NULL) m_VulkanFunctions.funcName = pVulkanFunctions->funcName; - if(pVulkanFunctions != VMA_NULL) +#if VMA_VULKAN_VERSION >= 1003000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 3, 0)) { - VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceProperties); - VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties); - VMA_COPY_IF_NOT_NULL(vkAllocateMemory); - VMA_COPY_IF_NOT_NULL(vkFreeMemory); - VMA_COPY_IF_NOT_NULL(vkMapMemory); - VMA_COPY_IF_NOT_NULL(vkUnmapMemory); - VMA_COPY_IF_NOT_NULL(vkFlushMappedMemoryRanges); - VMA_COPY_IF_NOT_NULL(vkInvalidateMappedMemoryRanges); - VMA_COPY_IF_NOT_NULL(vkBindBufferMemory); - VMA_COPY_IF_NOT_NULL(vkBindImageMemory); - VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements); - VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements); - VMA_COPY_IF_NOT_NULL(vkCreateBuffer); - VMA_COPY_IF_NOT_NULL(vkDestroyBuffer); - VMA_COPY_IF_NOT_NULL(vkCreateImage); - VMA_COPY_IF_NOT_NULL(vkDestroyImage); - VMA_COPY_IF_NOT_NULL(vkCmdCopyBuffer); -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - VMA_COPY_IF_NOT_NULL(vkGetBufferMemoryRequirements2KHR); - VMA_COPY_IF_NOT_NULL(vkGetImageMemoryRequirements2KHR); -#endif -#if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 - VMA_COPY_IF_NOT_NULL(vkBindBufferMemory2KHR); - VMA_COPY_IF_NOT_NULL(vkBindImageMemory2KHR); -#endif -#if VMA_MEMORY_BUDGET - VMA_COPY_IF_NOT_NULL(vkGetPhysicalDeviceMemoryProperties2KHR); -#endif + VMA_FETCH_DEVICE_FUNC(vkGetDeviceBufferMemoryRequirements, PFN_vkGetDeviceBufferMemoryRequirements, "vkGetDeviceBufferMemoryRequirements"); + VMA_FETCH_DEVICE_FUNC(vkGetDeviceImageMemoryRequirements, PFN_vkGetDeviceImageMemoryRequirements, "vkGetDeviceImageMemoryRequirements"); } +#endif -#undef VMA_COPY_IF_NOT_NULL +#undef VMA_FETCH_DEVICE_FUNC +#undef VMA_FETCH_INSTANCE_FUNC +} - // If these asserts are hit, you must either #define VMA_STATIC_VULKAN_FUNCTIONS 1 - // or pass valid pointers as VmaAllocatorCreateInfo::pVulkanFunctions. +#endif // VMA_DYNAMIC_VULKAN_FUNCTIONS == 1 + +void VmaAllocator_T::ValidateVulkanFunctions() +{ VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceProperties != VMA_NULL); VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties != VMA_NULL); VMA_ASSERT(m_VulkanFunctions.vkAllocateMemory != VMA_NULL); @@ -14894,6 +14389,7 @@ void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunc VMA_ASSERT(m_VulkanFunctions.vkCreateImage != VMA_NULL); VMA_ASSERT(m_VulkanFunctions.vkDestroyImage != VMA_NULL); VMA_ASSERT(m_VulkanFunctions.vkCmdCopyBuffer != VMA_NULL); + #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0) || m_UseKhrDedicatedAllocation) { @@ -14901,6 +14397,7 @@ void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunc VMA_ASSERT(m_VulkanFunctions.vkGetImageMemoryRequirements2KHR != VMA_NULL); } #endif + #if VMA_BIND_MEMORY2 || VMA_VULKAN_VERSION >= 1001000 if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0) || m_UseKhrBindMemory2) { @@ -14908,12 +14405,21 @@ void VmaAllocator_T::ImportVulkanFunctions(const VmaVulkanFunctions* pVulkanFunc VMA_ASSERT(m_VulkanFunctions.vkBindImageMemory2KHR != VMA_NULL); } #endif + #if VMA_MEMORY_BUDGET || VMA_VULKAN_VERSION >= 1001000 if(m_UseExtMemoryBudget || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) { VMA_ASSERT(m_VulkanFunctions.vkGetPhysicalDeviceMemoryProperties2KHR != VMA_NULL); } #endif + +#if VMA_VULKAN_VERSION >= 1003000 + if(m_VulkanApiVersion >= VK_MAKE_VERSION(1, 3, 0)) + { + VMA_ASSERT(m_VulkanFunctions.vkGetDeviceBufferMemoryRequirements != VMA_NULL); + VMA_ASSERT(m_VulkanFunctions.vkGetDeviceImageMemoryRequirements != VMA_NULL); + } +#endif } VkDeviceSize VmaAllocator_T::CalcPreferredBlockSize(uint32_t memTypeIndex) @@ -14925,14 +14431,18 @@ VkDeviceSize VmaAllocator_T::CalcPreferredBlockSize(uint32_t memTypeIndex) } VkResult VmaAllocator_T::AllocateMemoryOfType( + VmaPool pool, VkDeviceSize size, VkDeviceSize alignment, - bool dedicatedAllocation, + bool dedicatedPreferred, VkBuffer dedicatedBuffer, VkImage dedicatedImage, + VkFlags dedicatedBufferImageUsage, const VmaAllocationCreateInfo& createInfo, uint32_t memTypeIndex, VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, + VmaBlockVector& blockVector, size_t allocationCount, VmaAllocation* pAllocations) { @@ -14940,62 +14450,88 @@ VkResult VmaAllocator_T::AllocateMemoryOfType( VMA_DEBUG_LOG(" AllocateMemory: MemoryTypeIndex=%u, AllocationCount=%zu, Size=%llu", memTypeIndex, allocationCount, size); VmaAllocationCreateInfo finalCreateInfo = createInfo; + VkResult res = CalcMemTypeParams( + finalCreateInfo, + memTypeIndex, + size, + allocationCount); + if(res != VK_SUCCESS) + return res; - // If memory type is not HOST_VISIBLE, disable MAPPED. - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && - (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) - { - finalCreateInfo.flags &= ~VMA_ALLOCATION_CREATE_MAPPED_BIT; - } - // If memory is lazily allocated, it should be always dedicated. - if(finalCreateInfo.usage == VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED) + if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) { - finalCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; + return AllocateDedicatedMemory( + pool, + size, + suballocType, + dedicatedAllocations, + memTypeIndex, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, + (finalCreateInfo.flags & + (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT) != 0, + finalCreateInfo.pUserData, + finalCreateInfo.priority, + dedicatedBuffer, + dedicatedImage, + dedicatedBufferImageUsage, + allocationCount, + pAllocations, + blockVector.GetAllocationNextPtr()); } - - VmaBlockVector* const blockVector = m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(blockVector); - - const VkDeviceSize preferredBlockSize = blockVector->GetPreferredBlockSize(); - bool preferDedicatedMemory = - VMA_DEBUG_ALWAYS_DEDICATED_MEMORY || - dedicatedAllocation || - // Heuristics: Allocate dedicated memory if requested size if greater than half of preferred block size. - size > preferredBlockSize / 2; - - if(preferDedicatedMemory && - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0 && - finalCreateInfo.pool == VK_NULL_HANDLE) + else { - finalCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; - } + const bool canAllocateDedicated = + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) == 0 && + (pool == VK_NULL_HANDLE || !blockVector.HasExplicitBlockSize()); - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) - { - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - else + if(canAllocateDedicated) { - return AllocateDedicatedMemory( - size, - suballocType, - memTypeIndex, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT) != 0, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, - finalCreateInfo.pUserData, - dedicatedBuffer, - dedicatedImage, - allocationCount, - pAllocations); + // Heuristics: Allocate dedicated memory if requested size if greater than half of preferred block size. + if(size > blockVector.GetPreferredBlockSize() / 2) + { + dedicatedPreferred = true; + } + // Protection against creating each allocation as dedicated when we reach or exceed heap size/budget, + // which can quickly deplete maxMemoryAllocationCount: Don't prefer dedicated allocations when above + // 3/4 of the maximum allocation count. + if(m_DeviceMemoryCount.load() > m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount * 3 / 4) + { + dedicatedPreferred = false; + } + + if(dedicatedPreferred) + { + res = AllocateDedicatedMemory( + pool, + size, + suballocType, + dedicatedAllocations, + memTypeIndex, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, + (finalCreateInfo.flags & + (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT) != 0, + finalCreateInfo.pUserData, + finalCreateInfo.priority, + dedicatedBuffer, + dedicatedImage, + dedicatedBufferImageUsage, + allocationCount, + pAllocations, + blockVector.GetAllocationNextPtr()); + if(res == VK_SUCCESS) + { + // Succeeded: AllocateDedicatedMemory function already filld pMemory, nothing more to do here. + VMA_DEBUG_LOG(" Allocated as DedicatedMemory"); + return VK_SUCCESS; + } + } } - } - else - { - VkResult res = blockVector->Allocate( - m_CurrentFrameIndex.load(), + + res = blockVector.Allocate( size, alignment, finalCreateInfo, @@ -15003,111 +14539,145 @@ VkResult VmaAllocator_T::AllocateMemoryOfType( allocationCount, pAllocations); if(res == VK_SUCCESS) - { - return res; - } + return VK_SUCCESS; - // 5. Try dedicated memory. - if((finalCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) - { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - else + // Try dedicated memory. + if(canAllocateDedicated && !dedicatedPreferred) { res = AllocateDedicatedMemory( + pool, size, suballocType, + dedicatedAllocations, memTypeIndex, - (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT) != 0, (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0, (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT) != 0, + (finalCreateInfo.flags & + (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != 0, + (finalCreateInfo.flags & VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT) != 0, finalCreateInfo.pUserData, + finalCreateInfo.priority, dedicatedBuffer, dedicatedImage, + dedicatedBufferImageUsage, allocationCount, - pAllocations); + pAllocations, + blockVector.GetAllocationNextPtr()); if(res == VK_SUCCESS) { // Succeeded: AllocateDedicatedMemory function already filld pMemory, nothing more to do here. VMA_DEBUG_LOG(" Allocated as DedicatedMemory"); return VK_SUCCESS; } - else - { - // Everything failed: Return error code. - VMA_DEBUG_LOG(" vkAllocateMemory FAILED"); - return res; - } } + // Everything failed: Return error code. + VMA_DEBUG_LOG(" vkAllocateMemory FAILED"); + return res; } } VkResult VmaAllocator_T::AllocateDedicatedMemory( + VmaPool pool, VkDeviceSize size, VmaSuballocationType suballocType, + VmaDedicatedAllocationList& dedicatedAllocations, uint32_t memTypeIndex, - bool withinBudget, bool map, bool isUserDataString, + bool isMappingAllowed, + bool canAliasMemory, void* pUserData, -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + float priority, VkBuffer dedicatedBuffer, VkImage dedicatedImage, -#else - VkBuffer /*dedicatedBuffer*/, - VkImage /*dedicatedImage*/, -#endif + VkFlags dedicatedBufferImageUsage, size_t allocationCount, - VmaAllocation* pAllocations) + VmaAllocation* pAllocations, + const void* pNextChain) { VMA_ASSERT(allocationCount > 0 && pAllocations); - if(withinBudget) + VkMemoryAllocateInfo allocInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO }; + allocInfo.memoryTypeIndex = memTypeIndex; + allocInfo.allocationSize = size; + allocInfo.pNext = pNextChain; + +#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 + VkMemoryDedicatedAllocateInfoKHR dedicatedAllocInfo = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR }; + if(!canAliasMemory) { - const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); - VmaBudget heapBudget = {}; - GetBudget(&heapBudget, heapIndex, 1); - if(heapBudget.usage + size * allocationCount > heapBudget.budget) + if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) { - return VK_ERROR_OUT_OF_DEVICE_MEMORY; + if(dedicatedBuffer != VK_NULL_HANDLE) + { + VMA_ASSERT(dedicatedImage == VK_NULL_HANDLE); + dedicatedAllocInfo.buffer = dedicatedBuffer; + VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo); + } + else if(dedicatedImage != VK_NULL_HANDLE) + { + dedicatedAllocInfo.image = dedicatedImage; + VmaPnextChainPushFront(&allocInfo, &dedicatedAllocInfo); + } } } +#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - VkMemoryAllocateInfo allocInfo = {}; - allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; - allocInfo.memoryTypeIndex = memTypeIndex; - allocInfo.allocationSize = size; - -#if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 - VkMemoryDedicatedAllocateInfoKHR dedicatedAllocInfo = {}; - dedicatedAllocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR; - if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) +#if VMA_BUFFER_DEVICE_ADDRESS + VkMemoryAllocateFlagsInfoKHR allocFlagsInfo = { VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO_KHR }; + if(m_UseKhrBufferDeviceAddress) { + bool canContainBufferWithDeviceAddress = true; if(dedicatedBuffer != VK_NULL_HANDLE) { - VMA_ASSERT(dedicatedImage == VK_NULL_HANDLE); - dedicatedAllocInfo.buffer = dedicatedBuffer; - allocInfo.pNext = &dedicatedAllocInfo; + canContainBufferWithDeviceAddress = dedicatedBufferImageUsage == UINT32_MAX || // Usage flags unknown + (dedicatedBufferImageUsage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_EXT) != 0; } else if(dedicatedImage != VK_NULL_HANDLE) { - dedicatedAllocInfo.image = dedicatedImage; - allocInfo.pNext = &dedicatedAllocInfo; + canContainBufferWithDeviceAddress = false; + } + if(canContainBufferWithDeviceAddress) + { + allocFlagsInfo.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT_KHR; + VmaPnextChainPushFront(&allocInfo, &allocFlagsInfo); } } -#endif // #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 +#endif // #if VMA_BUFFER_DEVICE_ADDRESS + +#if VMA_MEMORY_PRIORITY + VkMemoryPriorityAllocateInfoEXT priorityInfo = { VK_STRUCTURE_TYPE_MEMORY_PRIORITY_ALLOCATE_INFO_EXT }; + if(m_UseExtMemoryPriority) + { + VMA_ASSERT(priority >= 0.f && priority <= 1.f); + priorityInfo.priority = priority; + VmaPnextChainPushFront(&allocInfo, &priorityInfo); + } +#endif // #if VMA_MEMORY_PRIORITY + +#if VMA_EXTERNAL_MEMORY + // Attach VkExportMemoryAllocateInfoKHR if necessary. + VkExportMemoryAllocateInfoKHR exportMemoryAllocInfo = { VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR }; + exportMemoryAllocInfo.handleTypes = GetExternalMemoryHandleTypeFlags(memTypeIndex); + if(exportMemoryAllocInfo.handleTypes != 0) + { + VmaPnextChainPushFront(&allocInfo, &exportMemoryAllocInfo); + } +#endif // #if VMA_EXTERNAL_MEMORY size_t allocIndex; VkResult res = VK_SUCCESS; for(allocIndex = 0; allocIndex < allocationCount; ++allocIndex) { res = AllocateDedicatedMemoryPage( + pool, size, suballocType, memTypeIndex, allocInfo, map, isUserDataString, + isMappingAllowed, pUserData, pAllocations + allocIndex); if(res != VK_SUCCESS) @@ -15118,17 +14688,10 @@ VkResult VmaAllocator_T::AllocateDedicatedMemory( if(res == VK_SUCCESS) { - // Register them in m_pDedicatedAllocations. + for (allocIndex = 0; allocIndex < allocationCount; ++allocIndex) { - VmaMutexLockWrite lock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - AllocationVectorType* pDedicatedAllocations = m_pDedicatedAllocations[memTypeIndex]; - VMA_ASSERT(pDedicatedAllocations); - for(allocIndex = 0; allocIndex < allocationCount; ++allocIndex) - { - VmaVectorInsertSorted<VmaPointerLess>(*pDedicatedAllocations, pAllocations[allocIndex]); - } + dedicatedAllocations.Register(pAllocations[allocIndex]); } - VMA_DEBUG_LOG(" Allocated DedicatedMemory Count=%zu, MemoryTypeIndex=#%u", allocationCount, memTypeIndex); } else @@ -15138,7 +14701,7 @@ VkResult VmaAllocator_T::AllocateDedicatedMemory( { VmaAllocation currAlloc = pAllocations[allocIndex]; VkDeviceMemory hMemory = currAlloc->GetMemory(); - + /* There is no need to call this, because Vulkan spec allows to skip vkUnmapMemory before vkFreeMemory. @@ -15148,11 +14711,9 @@ VkResult VmaAllocator_T::AllocateDedicatedMemory( (*m_VulkanFunctions.vkUnmapMemory)(m_hDevice, hMemory); } */ - + FreeVulkanMemory(memTypeIndex, currAlloc->GetSize(), hMemory); m_Budget.RemoveAllocation(MemoryTypeIndexToHeapIndex(memTypeIndex), currAlloc->GetSize()); - currAlloc->SetUserData(this, VMA_NULL); - currAlloc->Dtor(); m_AllocationObjectAllocator.Free(currAlloc); } @@ -15163,12 +14724,14 @@ VkResult VmaAllocator_T::AllocateDedicatedMemory( } VkResult VmaAllocator_T::AllocateDedicatedMemoryPage( + VmaPool pool, VkDeviceSize size, VmaSuballocationType suballocType, uint32_t memTypeIndex, const VkMemoryAllocateInfo& allocInfo, bool map, bool isUserDataString, + bool isMappingAllowed, void* pUserData, VmaAllocation* pAllocation) { @@ -15198,10 +14761,12 @@ VkResult VmaAllocator_T::AllocateDedicatedMemoryPage( } } - *pAllocation = m_AllocationObjectAllocator.Allocate(); - (*pAllocation)->Ctor(m_CurrentFrameIndex.load(), isUserDataString); - (*pAllocation)->InitDedicatedAllocation(memTypeIndex, hMemory, suballocType, pMappedData, size); - (*pAllocation)->SetUserData(this, pUserData); + *pAllocation = m_AllocationObjectAllocator.Allocate(isMappingAllowed); + (*pAllocation)->InitDedicatedAllocation(pool, memTypeIndex, hMemory, suballocType, pMappedData, size); + if (isUserDataString) + (*pAllocation)->SetName(this, (const char*)pUserData); + else + (*pAllocation)->SetUserData(this, pUserData); m_Budget.AddAllocation(MemoryTypeIndexToHeapIndex(memTypeIndex), size); if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) { @@ -15220,16 +14785,13 @@ void VmaAllocator_T::GetBufferMemoryRequirements( #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) { - VkBufferMemoryRequirementsInfo2KHR memReqInfo = {}; - memReqInfo.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2_KHR; + VkBufferMemoryRequirementsInfo2KHR memReqInfo = { VK_STRUCTURE_TYPE_BUFFER_MEMORY_REQUIREMENTS_INFO_2_KHR }; memReqInfo.buffer = hBuffer; - VkMemoryDedicatedRequirementsKHR memDedicatedReq = {}; - memDedicatedReq.sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR; + VkMemoryDedicatedRequirementsKHR memDedicatedReq = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR }; - VkMemoryRequirements2KHR memReq2 = {}; - memReq2.sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR; - memReq2.pNext = &memDedicatedReq; + VkMemoryRequirements2KHR memReq2 = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR }; + VmaPnextChainPushFront(&memReq2, &memDedicatedReq); (*m_VulkanFunctions.vkGetBufferMemoryRequirements2KHR)(m_hDevice, &memReqInfo, &memReq2); @@ -15255,16 +14817,13 @@ void VmaAllocator_T::GetImageMemoryRequirements( #if VMA_DEDICATED_ALLOCATION || VMA_VULKAN_VERSION >= 1001000 if(m_UseKhrDedicatedAllocation || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) { - VkImageMemoryRequirementsInfo2KHR memReqInfo = {}; - memReqInfo.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2_KHR; + VkImageMemoryRequirementsInfo2KHR memReqInfo = { VK_STRUCTURE_TYPE_IMAGE_MEMORY_REQUIREMENTS_INFO_2_KHR }; memReqInfo.image = hImage; - VkMemoryDedicatedRequirementsKHR memDedicatedReq = {}; - memDedicatedReq.sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR; + VkMemoryDedicatedRequirementsKHR memDedicatedReq = { VK_STRUCTURE_TYPE_MEMORY_DEDICATED_REQUIREMENTS_KHR }; - VkMemoryRequirements2KHR memReq2 = {}; - memReq2.sType = VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR; - memReq2.pNext = &memDedicatedReq; + VkMemoryRequirements2KHR memReq2 = { VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2_KHR }; + VmaPnextChainPushFront(&memReq2, &memDedicatedReq); (*m_VulkanFunctions.vkGetImageMemoryRequirements2KHR)(m_hDevice, &memReqInfo, &memReq2); @@ -15281,77 +14840,200 @@ void VmaAllocator_T::GetImageMemoryRequirements( } } -VkResult VmaAllocator_T::AllocateMemory( - const VkMemoryRequirements& vkMemReq, - bool requiresDedicatedAllocation, - bool prefersDedicatedAllocation, - VkBuffer dedicatedBuffer, - VkImage dedicatedImage, - const VmaAllocationCreateInfo& createInfo, - VmaSuballocationType suballocType, - size_t allocationCount, - VmaAllocation* pAllocations) +VkResult VmaAllocator_T::FindMemoryTypeIndex( + uint32_t memoryTypeBits, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + VkFlags bufImgUsage, + uint32_t* pMemoryTypeIndex) const { - memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); + memoryTypeBits &= GetGlobalMemoryTypeBits(); - VMA_ASSERT(VmaIsPow2(vkMemReq.alignment)); + if(pAllocationCreateInfo->memoryTypeBits != 0) + { + memoryTypeBits &= pAllocationCreateInfo->memoryTypeBits; + } - if(vkMemReq.size == 0) + VkMemoryPropertyFlags requiredFlags = 0, preferredFlags = 0, notPreferredFlags = 0; + if(!FindMemoryPreferences( + IsIntegratedGpu(), + *pAllocationCreateInfo, + bufImgUsage, + requiredFlags, preferredFlags, notPreferredFlags)) { - return VK_ERROR_VALIDATION_FAILED_EXT; + return VK_ERROR_FEATURE_NOT_PRESENT; } - if((createInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && - (createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) + + *pMemoryTypeIndex = UINT32_MAX; + uint32_t minCost = UINT32_MAX; + for(uint32_t memTypeIndex = 0, memTypeBit = 1; + memTypeIndex < GetMemoryTypeCount(); + ++memTypeIndex, memTypeBit <<= 1) { - VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT together with VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT makes no sense."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; + // This memory type is acceptable according to memoryTypeBits bitmask. + if((memTypeBit & memoryTypeBits) != 0) + { + const VkMemoryPropertyFlags currFlags = + m_MemProps.memoryTypes[memTypeIndex].propertyFlags; + // This memory type contains requiredFlags. + if((requiredFlags & ~currFlags) == 0) + { + // Calculate cost as number of bits from preferredFlags not present in this memory type. + uint32_t currCost = VMA_COUNT_BITS_SET(preferredFlags & ~currFlags) + + VMA_COUNT_BITS_SET(currFlags & notPreferredFlags); + // Remember memory type with lowest cost. + if(currCost < minCost) + { + *pMemoryTypeIndex = memTypeIndex; + if(currCost == 0) + { + return VK_SUCCESS; + } + minCost = currCost; + } + } + } } - if((createInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && - (createInfo.flags & VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT) != 0) + return (*pMemoryTypeIndex != UINT32_MAX) ? VK_SUCCESS : VK_ERROR_FEATURE_NOT_PRESENT; +} + +VkResult VmaAllocator_T::CalcMemTypeParams( + VmaAllocationCreateInfo& inoutCreateInfo, + uint32_t memTypeIndex, + VkDeviceSize size, + size_t allocationCount) +{ + // If memory type is not HOST_VISIBLE, disable MAPPED. + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && + (m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) { - VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_MAPPED_BIT together with VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT is invalid."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; + inoutCreateInfo.flags &= ~VMA_ALLOCATION_CREATE_MAPPED_BIT; } - if(requiresDedicatedAllocation) + + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT) != 0) { - if((createInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) + const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); + VmaBudget heapBudget = {}; + GetHeapBudgets(&heapBudget, heapIndex, 1); + if(heapBudget.usage + size * allocationCount > heapBudget.budget) { - VMA_ASSERT(0 && "VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT specified while dedicated allocation is required."); return VK_ERROR_OUT_OF_DEVICE_MEMORY; } - if(createInfo.pool != VK_NULL_HANDLE) + } + return VK_SUCCESS; +} + +VkResult VmaAllocator_T::CalcAllocationParams( + VmaAllocationCreateInfo& inoutCreateInfo, + bool dedicatedRequired, + bool dedicatedPreferred) +{ + VMA_ASSERT((inoutCreateInfo.flags & + (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != + (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT) && + "Specifying both flags VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT and VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT is incorrect."); + VMA_ASSERT((((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT) == 0 || + (inoutCreateInfo.flags & (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != 0)) && + "Specifying VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT requires also VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT."); + if(inoutCreateInfo.usage == VMA_MEMORY_USAGE_AUTO || inoutCreateInfo.usage == VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE || inoutCreateInfo.usage == VMA_MEMORY_USAGE_AUTO_PREFER_HOST) + { + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0) { - VMA_ASSERT(0 && "Pool specified while dedicated allocation is required."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; + VMA_ASSERT((inoutCreateInfo.flags & (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) != 0 && + "When using VMA_ALLOCATION_CREATE_MAPPED_BIT and usage = VMA_MEMORY_USAGE_AUTO*, you must also specify VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT."); + } + } + + // If memory is lazily allocated, it should be always dedicated. + if(dedicatedRequired || + inoutCreateInfo.usage == VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED) + { + inoutCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; + } + + if(inoutCreateInfo.pool != VK_NULL_HANDLE) + { + if(inoutCreateInfo.pool->m_BlockVector.HasExplicitBlockSize() && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0) + { + VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT while current custom pool doesn't support dedicated allocations."); + return VK_ERROR_FEATURE_NOT_PRESENT; } + inoutCreateInfo.priority = inoutCreateInfo.pool->m_BlockVector.GetPriority(); } - if((createInfo.pool != VK_NULL_HANDLE) && - ((createInfo.flags & (VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT)) != 0)) + + if((inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT) != 0 && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) { - VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT when pool != null is invalid."); - return VK_ERROR_OUT_OF_DEVICE_MEMORY; + VMA_ASSERT(0 && "Specifying VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT together with VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT makes no sense."); + return VK_ERROR_FEATURE_NOT_PRESENT; } - if(createInfo.pool != VK_NULL_HANDLE) + if(VMA_DEBUG_ALWAYS_DEDICATED_MEMORY && + (inoutCreateInfo.flags & VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT) != 0) { - const VkDeviceSize alignmentForPool = VMA_MAX( - vkMemReq.alignment, - GetMemoryTypeMinAlignment(createInfo.pool->m_BlockVector.GetMemoryTypeIndex())); + inoutCreateInfo.flags |= VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; + } - VmaAllocationCreateInfo createInfoForPool = createInfo; - // If memory type is not HOST_VISIBLE, disable MAPPED. - if((createInfoForPool.flags & VMA_ALLOCATION_CREATE_MAPPED_BIT) != 0 && - (m_MemProps.memoryTypes[createInfo.pool->m_BlockVector.GetMemoryTypeIndex()].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) + // Non-auto USAGE values imply HOST_ACCESS flags. + // And so does VMA_MEMORY_USAGE_UNKNOWN because it is used with custom pools. + // Which specific flag is used doesn't matter. They change things only when used with VMA_MEMORY_USAGE_AUTO*. + // Otherwise they just protect from assert on mapping. + if(inoutCreateInfo.usage != VMA_MEMORY_USAGE_AUTO && + inoutCreateInfo.usage != VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE && + inoutCreateInfo.usage != VMA_MEMORY_USAGE_AUTO_PREFER_HOST) + { + if((inoutCreateInfo.flags & (VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT)) == 0) { - createInfoForPool.flags &= ~VMA_ALLOCATION_CREATE_MAPPED_BIT; + inoutCreateInfo.flags |= VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT; } + } + + return VK_SUCCESS; +} + +VkResult VmaAllocator_T::AllocateMemory( + const VkMemoryRequirements& vkMemReq, + bool requiresDedicatedAllocation, + bool prefersDedicatedAllocation, + VkBuffer dedicatedBuffer, + VkImage dedicatedImage, + VkFlags dedicatedBufferImageUsage, + const VmaAllocationCreateInfo& createInfo, + VmaSuballocationType suballocType, + size_t allocationCount, + VmaAllocation* pAllocations) +{ + memset(pAllocations, 0, sizeof(VmaAllocation) * allocationCount); + + VMA_ASSERT(VmaIsPow2(vkMemReq.alignment)); - return createInfo.pool->m_BlockVector.Allocate( - m_CurrentFrameIndex.load(), + if(vkMemReq.size == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + + VmaAllocationCreateInfo createInfoFinal = createInfo; + VkResult res = CalcAllocationParams(createInfoFinal, requiresDedicatedAllocation, prefersDedicatedAllocation); + if(res != VK_SUCCESS) + return res; + + if(createInfoFinal.pool != VK_NULL_HANDLE) + { + VmaBlockVector& blockVector = createInfoFinal.pool->m_BlockVector; + return AllocateMemoryOfType( + createInfoFinal.pool, vkMemReq.size, - alignmentForPool, - createInfoForPool, + vkMemReq.alignment, + prefersDedicatedAllocation, + dedicatedBuffer, + dedicatedImage, + dedicatedBufferImageUsage, + createInfoFinal, + blockVector.GetMemoryTypeIndex(), suballocType, + createInfoFinal.pool->m_DedicatedAllocations, + blockVector, allocationCount, pAllocations); } @@ -15360,74 +15042,42 @@ VkResult VmaAllocator_T::AllocateMemory( // Bit mask of memory Vulkan types acceptable for this allocation. uint32_t memoryTypeBits = vkMemReq.memoryTypeBits; uint32_t memTypeIndex = UINT32_MAX; - VkResult res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfo, &memTypeIndex); - if(res == VK_SUCCESS) + res = FindMemoryTypeIndex(memoryTypeBits, &createInfoFinal, dedicatedBufferImageUsage, &memTypeIndex); + // Can't find any single memory type matching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. + if(res != VK_SUCCESS) + return res; + do { - VkDeviceSize alignmentForMemType = VMA_MAX( - vkMemReq.alignment, - GetMemoryTypeMinAlignment(memTypeIndex)); - + VmaBlockVector* blockVector = m_pBlockVectors[memTypeIndex]; + VMA_ASSERT(blockVector && "Trying to use unsupported memory type!"); res = AllocateMemoryOfType( + VK_NULL_HANDLE, vkMemReq.size, - alignmentForMemType, + vkMemReq.alignment, requiresDedicatedAllocation || prefersDedicatedAllocation, dedicatedBuffer, dedicatedImage, - createInfo, + dedicatedBufferImageUsage, + createInfoFinal, memTypeIndex, suballocType, + m_DedicatedAllocations[memTypeIndex], + *blockVector, allocationCount, pAllocations); - // Succeeded on first try. + // Allocation succeeded if(res == VK_SUCCESS) - { - return res; - } - // Allocation from this memory type failed. Try other compatible memory types. - else - { - for(;;) - { - // Remove old memTypeIndex from list of possibilities. - memoryTypeBits &= ~(1u << memTypeIndex); - // Find alternative memTypeIndex. - res = vmaFindMemoryTypeIndex(this, memoryTypeBits, &createInfo, &memTypeIndex); - if(res == VK_SUCCESS) - { - alignmentForMemType = VMA_MAX( - vkMemReq.alignment, - GetMemoryTypeMinAlignment(memTypeIndex)); - - res = AllocateMemoryOfType( - vkMemReq.size, - alignmentForMemType, - requiresDedicatedAllocation || prefersDedicatedAllocation, - dedicatedBuffer, - dedicatedImage, - createInfo, - memTypeIndex, - suballocType, - allocationCount, - pAllocations); - // Allocation from this alternative memory type succeeded. - if(res == VK_SUCCESS) - { - return res; - } - // else: Allocation from this memory type failed. Try next one - next loop iteration. - } - // No other matching memory type index could be found. - else - { - // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. - return VK_ERROR_OUT_OF_DEVICE_MEMORY; - } - } - } - } - // Can't find any single memory type maching requirements. res is VK_ERROR_FEATURE_NOT_PRESENT. - else - return res; + return VK_SUCCESS; + + // Remove old memTypeIndex from list of possibilities. + memoryTypeBits &= ~(1u << memTypeIndex); + // Find alternative memTypeIndex. + res = FindMemoryTypeIndex(memoryTypeBits, &createInfoFinal, dedicatedBufferImageUsage, &memTypeIndex); + } while(res == VK_SUCCESS); + + // No other matching memory type index could be found. + // Not returning res, which is VK_ERROR_FEATURE_NOT_PRESENT, because we already failed to allocate once. + return VK_ERROR_OUT_OF_DEVICE_MEMORY; } } @@ -15443,116 +15093,95 @@ void VmaAllocator_T::FreeMemory( if(allocation != VK_NULL_HANDLE) { - if(TouchAllocation(allocation)) + if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) { - if(VMA_DEBUG_INITIALIZE_ALLOCATIONS) - { - FillAllocation(allocation, VMA_ALLOCATION_FILL_PATTERN_DESTROYED); - } + FillAllocation(allocation, VMA_ALLOCATION_FILL_PATTERN_DESTROYED); + } + + allocation->FreeName(this); - switch(allocation->GetType()) + switch(allocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: { - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + VmaBlockVector* pBlockVector = VMA_NULL; + VmaPool hPool = allocation->GetParentPool(); + if(hPool != VK_NULL_HANDLE) { - VmaBlockVector* pBlockVector = VMA_NULL; - VmaPool hPool = allocation->GetBlock()->GetParentPool(); - if(hPool != VK_NULL_HANDLE) - { - pBlockVector = &hPool->m_BlockVector; - } - else - { - const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); - pBlockVector = m_pBlockVectors[memTypeIndex]; - } - pBlockVector->Free(allocation); + pBlockVector = &hPool->m_BlockVector; } - break; - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - FreeDedicatedMemory(allocation); - break; - default: - VMA_ASSERT(0); + else + { + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + pBlockVector = m_pBlockVectors[memTypeIndex]; + VMA_ASSERT(pBlockVector && "Trying to free memory of unsupported type!"); + } + pBlockVector->Free(allocation); } + break; + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + FreeDedicatedMemory(allocation); + break; + default: + VMA_ASSERT(0); } - - // Do this regardless of whether the allocation is lost. Lost allocations still account to Budget.AllocationBytes. - m_Budget.RemoveAllocation(MemoryTypeIndexToHeapIndex(allocation->GetMemoryTypeIndex()), allocation->GetSize()); - allocation->SetUserData(this, VMA_NULL); - allocation->Dtor(); - m_AllocationObjectAllocator.Free(allocation); } } } -VkResult VmaAllocator_T::ResizeAllocation( - const VmaAllocation alloc, - VkDeviceSize newSize) -{ - // This function is deprecated and so it does nothing. It's left for backward compatibility. - if(newSize == 0 || alloc->GetLastUseFrameIndex() == VMA_FRAME_INDEX_LOST) - { - return VkResult(-1000011001); // VK_ERROR_VALIDATION_FAILED_EXT - } - if(newSize == alloc->GetSize()) - { - return VK_SUCCESS; - } - return VkResult(-1000069000); // VK_ERROR_OUT_OF_POOL_MEMORY -} - -void VmaAllocator_T::CalculateStats(VmaStats* pStats) +void VmaAllocator_T::CalculateStatistics(VmaTotalStatistics* pStats) { // Initialize. - InitStatInfo(pStats->total); - for(size_t i = 0; i < VK_MAX_MEMORY_TYPES; ++i) - InitStatInfo(pStats->memoryType[i]); - for(size_t i = 0; i < VK_MAX_MEMORY_HEAPS; ++i) - InitStatInfo(pStats->memoryHeap[i]); - + VmaClearDetailedStatistics(pStats->total); + for(uint32_t i = 0; i < VK_MAX_MEMORY_TYPES; ++i) + VmaClearDetailedStatistics(pStats->memoryType[i]); + for(uint32_t i = 0; i < VK_MAX_MEMORY_HEAPS; ++i) + VmaClearDetailedStatistics(pStats->memoryHeap[i]); + // Process default pools. for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(pBlockVector); - pBlockVector->AddStats(pStats); + if (pBlockVector != VMA_NULL) + pBlockVector->AddDetailedStatistics(pStats->memoryType[memTypeIndex]); } // Process custom pools. { VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); - for(size_t poolIndex = 0, poolCount = m_Pools.size(); poolIndex < poolCount; ++poolIndex) + for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) { - m_Pools[poolIndex]->m_BlockVector.AddStats(pStats); + VmaBlockVector& blockVector = pool->m_BlockVector; + const uint32_t memTypeIndex = blockVector.GetMemoryTypeIndex(); + blockVector.AddDetailedStatistics(pStats->memoryType[memTypeIndex]); + pool->m_DedicatedAllocations.AddDetailedStatistics(pStats->memoryType[memTypeIndex]); } } // Process dedicated allocations. for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - const uint32_t memHeapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex); - VmaMutexLockRead dedicatedAllocationsLock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - AllocationVectorType* const pDedicatedAllocVector = m_pDedicatedAllocations[memTypeIndex]; - VMA_ASSERT(pDedicatedAllocVector); - for(size_t allocIndex = 0, allocCount = pDedicatedAllocVector->size(); allocIndex < allocCount; ++allocIndex) - { - VmaStatInfo allocationStatInfo; - (*pDedicatedAllocVector)[allocIndex]->DedicatedAllocCalcStatsInfo(allocationStatInfo); - VmaAddStatInfo(pStats->total, allocationStatInfo); - VmaAddStatInfo(pStats->memoryType[memTypeIndex], allocationStatInfo); - VmaAddStatInfo(pStats->memoryHeap[memHeapIndex], allocationStatInfo); - } + m_DedicatedAllocations[memTypeIndex].AddDetailedStatistics(pStats->memoryType[memTypeIndex]); } - // Postprocess. - VmaPostprocessCalcStatInfo(pStats->total); - for(size_t i = 0; i < GetMemoryTypeCount(); ++i) - VmaPostprocessCalcStatInfo(pStats->memoryType[i]); - for(size_t i = 0; i < GetMemoryHeapCount(); ++i) - VmaPostprocessCalcStatInfo(pStats->memoryHeap[i]); + // Sum from memory types to memory heaps. + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + const uint32_t memHeapIndex = m_MemProps.memoryTypes[memTypeIndex].heapIndex; + VmaAddDetailedStatistics(pStats->memoryHeap[memHeapIndex], pStats->memoryType[memTypeIndex]); + } + + // Sum from memory heaps to total. + for(uint32_t memHeapIndex = 0; memHeapIndex < GetMemoryHeapCount(); ++memHeapIndex) + VmaAddDetailedStatistics(pStats->total, pStats->memoryHeap[memHeapIndex]); + + VMA_ASSERT(pStats->total.statistics.allocationCount == 0 || + pStats->total.allocationSizeMax >= pStats->total.allocationSizeMin); + VMA_ASSERT(pStats->total.unusedRangeCount == 0 || + pStats->total.unusedRangeSizeMax >= pStats->total.unusedRangeSizeMin); } -void VmaAllocator_T::GetBudget(VmaBudget* outBudget, uint32_t firstHeap, uint32_t heapCount) +void VmaAllocator_T::GetHeapBudgets(VmaBudget* outBudgets, uint32_t firstHeap, uint32_t heapCount) { #if VMA_MEMORY_BUDGET if(m_UseExtMemoryBudget) @@ -15560,212 +15189,63 @@ void VmaAllocator_T::GetBudget(VmaBudget* outBudget, uint32_t firstHeap, uint32_ if(m_Budget.m_OperationsSinceBudgetFetch < 30) { VmaMutexLockRead lockRead(m_Budget.m_BudgetMutex, m_UseMutex); - for(uint32_t i = 0; i < heapCount; ++i, ++outBudget) + for(uint32_t i = 0; i < heapCount; ++i, ++outBudgets) { const uint32_t heapIndex = firstHeap + i; - outBudget->blockBytes = m_Budget.m_BlockBytes[heapIndex]; - outBudget->allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; + outBudgets->statistics.blockCount = m_Budget.m_BlockCount[heapIndex]; + outBudgets->statistics.allocationCount = m_Budget.m_AllocationCount[heapIndex]; + outBudgets->statistics.blockBytes = m_Budget.m_BlockBytes[heapIndex]; + outBudgets->statistics.allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; - if(m_Budget.m_VulkanUsage[heapIndex] + outBudget->blockBytes > m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]) + if(m_Budget.m_VulkanUsage[heapIndex] + outBudgets->statistics.blockBytes > m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]) { - outBudget->usage = m_Budget.m_VulkanUsage[heapIndex] + - outBudget->blockBytes - m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]; + outBudgets->usage = m_Budget.m_VulkanUsage[heapIndex] + + outBudgets->statistics.blockBytes - m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]; } else { - outBudget->usage = 0; + outBudgets->usage = 0; } // Have to take MIN with heap size because explicit HeapSizeLimit is included in it. - outBudget->budget = VMA_MIN( + outBudgets->budget = VMA_MIN( m_Budget.m_VulkanBudget[heapIndex], m_MemProps.memoryHeaps[heapIndex].size); } } else { UpdateVulkanBudget(); // Outside of mutex lock - GetBudget(outBudget, firstHeap, heapCount); // Recursion + GetHeapBudgets(outBudgets, firstHeap, heapCount); // Recursion } } else #endif { - for(uint32_t i = 0; i < heapCount; ++i, ++outBudget) + for(uint32_t i = 0; i < heapCount; ++i, ++outBudgets) { const uint32_t heapIndex = firstHeap + i; - outBudget->blockBytes = m_Budget.m_BlockBytes[heapIndex]; - outBudget->allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; + outBudgets->statistics.blockCount = m_Budget.m_BlockCount[heapIndex]; + outBudgets->statistics.allocationCount = m_Budget.m_AllocationCount[heapIndex]; + outBudgets->statistics.blockBytes = m_Budget.m_BlockBytes[heapIndex]; + outBudgets->statistics.allocationBytes = m_Budget.m_AllocationBytes[heapIndex]; - outBudget->usage = outBudget->blockBytes; - outBudget->budget = m_MemProps.memoryHeaps[heapIndex].size * 8 / 10; // 80% heuristics. + outBudgets->usage = outBudgets->statistics.blockBytes; + outBudgets->budget = m_MemProps.memoryHeaps[heapIndex].size * 8 / 10; // 80% heuristics. } } } -static const uint32_t VMA_VENDOR_ID_AMD = 4098; - -VkResult VmaAllocator_T::DefragmentationBegin( - const VmaDefragmentationInfo2& info, - VmaDefragmentationStats* pStats, - VmaDefragmentationContext* pContext) -{ - if(info.pAllocationsChanged != VMA_NULL) - { - memset(info.pAllocationsChanged, 0, info.allocationCount * sizeof(VkBool32)); - } - - *pContext = vma_new(this, VmaDefragmentationContext_T)( - this, m_CurrentFrameIndex.load(), info.flags, pStats); - - (*pContext)->AddPools(info.poolCount, info.pPools); - (*pContext)->AddAllocations( - info.allocationCount, info.pAllocations, info.pAllocationsChanged); - - VkResult res = (*pContext)->Defragment( - info.maxCpuBytesToMove, info.maxCpuAllocationsToMove, - info.maxGpuBytesToMove, info.maxGpuAllocationsToMove, - info.commandBuffer, pStats); - - if(res != VK_NOT_READY) - { - vma_delete(this, *pContext); - *pContext = VMA_NULL; - } - - return res; -} - -VkResult VmaAllocator_T::DefragmentationEnd( - VmaDefragmentationContext context) -{ - vma_delete(this, context); - return VK_SUCCESS; -} - void VmaAllocator_T::GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationInfo* pAllocationInfo) { - if(hAllocation->CanBecomeLost()) - { - /* - Warning: This is a carefully designed algorithm. - Do not modify unless you really know what you're doing :) - */ - const uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - if(localLastUseFrameIndex == VMA_FRAME_INDEX_LOST) - { - pAllocationInfo->memoryType = UINT32_MAX; - pAllocationInfo->deviceMemory = VK_NULL_HANDLE; - pAllocationInfo->offset = 0; - pAllocationInfo->size = hAllocation->GetSize(); - pAllocationInfo->pMappedData = VMA_NULL; - pAllocationInfo->pUserData = hAllocation->GetUserData(); - return; - } - else if(localLastUseFrameIndex == localCurrFrameIndex) - { - pAllocationInfo->memoryType = hAllocation->GetMemoryTypeIndex(); - pAllocationInfo->deviceMemory = hAllocation->GetMemory(); - pAllocationInfo->offset = hAllocation->GetOffset(); - pAllocationInfo->size = hAllocation->GetSize(); - pAllocationInfo->pMappedData = VMA_NULL; - pAllocationInfo->pUserData = hAllocation->GetUserData(); - return; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } - } - else - { -#if VMA_STATS_STRING_ENABLED - uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - VMA_ASSERT(localLastUseFrameIndex != VMA_FRAME_INDEX_LOST); - if(localLastUseFrameIndex == localCurrFrameIndex) - { - break; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } -#endif - - pAllocationInfo->memoryType = hAllocation->GetMemoryTypeIndex(); - pAllocationInfo->deviceMemory = hAllocation->GetMemory(); - pAllocationInfo->offset = hAllocation->GetOffset(); - pAllocationInfo->size = hAllocation->GetSize(); - pAllocationInfo->pMappedData = hAllocation->GetMappedData(); - pAllocationInfo->pUserData = hAllocation->GetUserData(); - } -} - -bool VmaAllocator_T::TouchAllocation(VmaAllocation hAllocation) -{ - // This is a stripped-down version of VmaAllocator_T::GetAllocationInfo. - if(hAllocation->CanBecomeLost()) - { - uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - if(localLastUseFrameIndex == VMA_FRAME_INDEX_LOST) - { - return false; - } - else if(localLastUseFrameIndex == localCurrFrameIndex) - { - return true; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } - } - else - { -#if VMA_STATS_STRING_ENABLED - uint32_t localCurrFrameIndex = m_CurrentFrameIndex.load(); - uint32_t localLastUseFrameIndex = hAllocation->GetLastUseFrameIndex(); - for(;;) - { - VMA_ASSERT(localLastUseFrameIndex != VMA_FRAME_INDEX_LOST); - if(localLastUseFrameIndex == localCurrFrameIndex) - { - break; - } - else // Last use time earlier than current time. - { - if(hAllocation->CompareExchangeLastUseFrameIndex(localLastUseFrameIndex, localCurrFrameIndex)) - { - localLastUseFrameIndex = localCurrFrameIndex; - } - } - } -#endif - - return true; - } + pAllocationInfo->memoryType = hAllocation->GetMemoryTypeIndex(); + pAllocationInfo->deviceMemory = hAllocation->GetMemory(); + pAllocationInfo->offset = hAllocation->GetOffset(); + pAllocationInfo->size = hAllocation->GetSize(); + pAllocationInfo->pMappedData = hAllocation->GetMappedData(); + pAllocationInfo->pUserData = hAllocation->GetUserData(); + pAllocationInfo->pName = hAllocation->GetName(); } VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool) @@ -15774,6 +15254,12 @@ VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPoo VmaPoolCreateInfo newCreateInfo = *pCreateInfo; + // Protection against uninitialized new structure member. If garbage data are left there, this pointer dereference would crash. + if(pCreateInfo->pMemoryAllocateNext) + { + VMA_ASSERT(((const VkBaseInStructure*)pCreateInfo->pMemoryAllocateNext)->sType != 0); + } + if(newCreateInfo.maxBlockCount == 0) { newCreateInfo.maxBlockCount = SIZE_MAX; @@ -15782,6 +15268,16 @@ VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPoo { return VK_ERROR_INITIALIZATION_FAILED; } + // Memory type index out of range or forbidden. + if(pCreateInfo->memoryTypeIndex >= GetMemoryTypeCount() || + ((1u << pCreateInfo->memoryTypeIndex) & m_GlobalMemoryTypeBits) == 0) + { + return VK_ERROR_FEATURE_NOT_PRESENT; + } + if(newCreateInfo.minAllocationAlignment > 0) + { + VMA_ASSERT(VmaIsPow2(newCreateInfo.minAllocationAlignment)); + } const VkDeviceSize preferredBlockSize = CalcPreferredBlockSize(newCreateInfo.memoryTypeIndex); @@ -15799,7 +15295,7 @@ VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPoo { VmaMutexLockWrite lock(m_PoolsMutex, m_UseMutex); (*pPool)->SetId(m_NextPoolId++); - VmaVectorInsertSorted<VmaPointerLess>(m_Pools, *pPool); + m_Pools.PushBack(*pPool); } return VK_SUCCESS; @@ -15810,17 +15306,24 @@ void VmaAllocator_T::DestroyPool(VmaPool pool) // Remove from m_Pools. { VmaMutexLockWrite lock(m_PoolsMutex, m_UseMutex); - bool success = VmaVectorRemoveSorted<VmaPointerLess>(m_Pools, pool); - (void) success; - VMA_ASSERT(success && "Pool not found in Allocator."); + m_Pools.Remove(pool); } vma_delete(this, pool); } -void VmaAllocator_T::GetPoolStats(VmaPool pool, VmaPoolStats* pPoolStats) +void VmaAllocator_T::GetPoolStatistics(VmaPool pool, VmaStatistics* pPoolStats) { - pool->m_BlockVector.GetPoolStats(pPoolStats); + VmaClearStatistics(*pPoolStats); + pool->m_BlockVector.AddStatistics(*pPoolStats); + pool->m_DedicatedAllocations.AddStatistics(*pPoolStats); +} + +void VmaAllocator_T::CalculatePoolStatistics(VmaPool pool, VmaDetailedStatistics* pPoolStats) +{ + VmaClearDetailedStatistics(*pPoolStats); + pool->m_BlockVector.AddDetailedStatistics(*pPoolStats); + pool->m_DedicatedAllocations.AddDetailedStatistics(*pPoolStats); } void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) @@ -15835,15 +15338,6 @@ void VmaAllocator_T::SetCurrentFrameIndex(uint32_t frameIndex) #endif // #if VMA_MEMORY_BUDGET } -void VmaAllocator_T::MakePoolAllocationsLost( - VmaPool hPool, - size_t* pLostAllocationCount) -{ - hPool->m_BlockVector.MakePoolAllocationsLost( - m_CurrentFrameIndex.load(), - pLostAllocationCount); -} - VkResult VmaAllocator_T::CheckPoolCorruption(VmaPool hPool) { return hPool->m_BlockVector.CheckCorruption(); @@ -15856,10 +15350,9 @@ VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) // Process default pools. for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - if(((1u << memTypeIndex) & memoryTypeBits) != 0) + VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex]; + if(pBlockVector != VMA_NULL) { - VmaBlockVector* const pBlockVector = m_pBlockVectors[memTypeIndex]; - VMA_ASSERT(pBlockVector); VkResult localRes = pBlockVector->CheckCorruption(); switch(localRes) { @@ -15877,11 +15370,11 @@ VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) // Process custom pools. { VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); - for(size_t poolIndex = 0, poolCount = m_Pools.size(); poolIndex < poolCount; ++poolIndex) + for(VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) { - if(((1u << m_Pools[poolIndex]->m_BlockVector.GetMemoryTypeIndex()) & memoryTypeBits) != 0) + if(((1u << pool->m_BlockVector.GetMemoryTypeIndex()) & memoryTypeBits) != 0) { - VkResult localRes = m_Pools[poolIndex]->m_BlockVector.CheckCorruption(); + VkResult localRes = pool->m_BlockVector.CheckCorruption(); switch(localRes) { case VK_ERROR_FEATURE_NOT_PRESENT: @@ -15899,15 +15392,17 @@ VkResult VmaAllocator_T::CheckCorruption(uint32_t memoryTypeBits) return finalRes; } -void VmaAllocator_T::CreateLostAllocation(VmaAllocation* pAllocation) -{ - *pAllocation = m_AllocationObjectAllocator.Allocate(); - (*pAllocation)->Ctor(VMA_FRAME_INDEX_LOST, false); - (*pAllocation)->InitLost(); -} - VkResult VmaAllocator_T::AllocateVulkanMemory(const VkMemoryAllocateInfo* pAllocateInfo, VkDeviceMemory* pMemory) { + AtomicTransactionalIncrement<uint32_t> deviceMemoryCountIncrement; + const uint64_t prevDeviceMemoryCount = deviceMemoryCountIncrement.Increment(&m_DeviceMemoryCount); +#if VMA_DEBUG_DONT_EXCEED_MAX_MEMORY_ALLOCATION_COUNT + if(prevDeviceMemoryCount >= m_PhysicalDeviceProperties.limits.maxMemoryAllocationCount) + { + return VK_ERROR_TOO_MANY_OBJECTS; + } +#endif + const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(pAllocateInfo->memoryTypeIndex); // HeapSizeLimit is in effect for this heap. @@ -15932,6 +15427,7 @@ VkResult VmaAllocator_T::AllocateVulkanMemory(const VkMemoryAllocateInfo* pAlloc { m_Budget.m_BlockBytes[heapIndex] += pAllocateInfo->allocationSize; } + ++m_Budget.m_BlockCount[heapIndex]; // VULKAN CALL vkAllocateMemory. VkResult res = (*m_VulkanFunctions.vkAllocateMemory)(m_hDevice, pAllocateInfo, GetAllocationCallbacks(), pMemory); @@ -15945,11 +15441,14 @@ VkResult VmaAllocator_T::AllocateVulkanMemory(const VkMemoryAllocateInfo* pAlloc // Informative callback. if(m_DeviceMemoryCallbacks.pfnAllocate != VMA_NULL) { - (*m_DeviceMemoryCallbacks.pfnAllocate)(this, pAllocateInfo->memoryTypeIndex, *pMemory, pAllocateInfo->allocationSize); + (*m_DeviceMemoryCallbacks.pfnAllocate)(this, pAllocateInfo->memoryTypeIndex, *pMemory, pAllocateInfo->allocationSize, m_DeviceMemoryCallbacks.pUserData); } + + deviceMemoryCountIncrement.Commit(); } else { + --m_Budget.m_BlockCount[heapIndex]; m_Budget.m_BlockBytes[heapIndex] -= pAllocateInfo->allocationSize; } @@ -15961,13 +15460,17 @@ void VmaAllocator_T::FreeVulkanMemory(uint32_t memoryType, VkDeviceSize size, Vk // Informative callback. if(m_DeviceMemoryCallbacks.pfnFree != VMA_NULL) { - (*m_DeviceMemoryCallbacks.pfnFree)(this, memoryType, hMemory, size); + (*m_DeviceMemoryCallbacks.pfnFree)(this, memoryType, hMemory, size, m_DeviceMemoryCallbacks.pUserData); } // VULKAN CALL vkFreeMemory. (*m_VulkanFunctions.vkFreeMemory)(m_hDevice, hMemory, GetAllocationCallbacks()); - m_Budget.m_BlockBytes[MemoryTypeIndexToHeapIndex(memoryType)] -= size; + const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memoryType); + --m_Budget.m_BlockCount[heapIndex]; + m_Budget.m_BlockBytes[heapIndex] -= size; + + --m_DeviceMemoryCount; } VkResult VmaAllocator_T::BindVulkanBuffer( @@ -15982,8 +15485,7 @@ VkResult VmaAllocator_T::BindVulkanBuffer( if((m_UseKhrBindMemory2 || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) && m_VulkanFunctions.vkBindBufferMemory2KHR != VMA_NULL) { - VkBindBufferMemoryInfoKHR bindBufferMemoryInfo = {}; - bindBufferMemoryInfo.sType = VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHR; + VkBindBufferMemoryInfoKHR bindBufferMemoryInfo = { VK_STRUCTURE_TYPE_BIND_BUFFER_MEMORY_INFO_KHR }; bindBufferMemoryInfo.pNext = pNext; bindBufferMemoryInfo.buffer = buffer; bindBufferMemoryInfo.memory = memory; @@ -16014,8 +15516,7 @@ VkResult VmaAllocator_T::BindVulkanImage( if((m_UseKhrBindMemory2 || m_VulkanApiVersion >= VK_MAKE_VERSION(1, 1, 0)) && m_VulkanFunctions.vkBindImageMemory2KHR != VMA_NULL) { - VkBindImageMemoryInfoKHR bindBufferMemoryInfo = {}; - bindBufferMemoryInfo.sType = VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHR; + VkBindImageMemoryInfoKHR bindBufferMemoryInfo = { VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO_KHR }; bindBufferMemoryInfo.pNext = pNext; bindBufferMemoryInfo.image = image; bindBufferMemoryInfo.memory = memory; @@ -16036,11 +15537,6 @@ VkResult VmaAllocator_T::BindVulkanImage( VkResult VmaAllocator_T::Map(VmaAllocation hAllocation, void** ppData) { - if(hAllocation->CanBecomeLost()) - { - return VK_ERROR_MEMORY_MAP_FAILED; - } - switch(hAllocation->GetType()) { case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: @@ -16097,7 +15593,7 @@ VkResult VmaAllocator_T::BindBufferMemory( case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: { VmaDeviceMemoryBlock* const pBlock = hAllocation->GetBlock(); - VMA_ASSERT(pBlock && "Binding buffer to allocation that doesn't belong to any block. Is the allocation lost?"); + VMA_ASSERT(pBlock && "Binding buffer to allocation that doesn't belong to any block."); res = pBlock->BindBufferMemory(this, hAllocation, allocationLocalOffset, hBuffer, pNext); break; } @@ -16122,7 +15618,7 @@ VkResult VmaAllocator_T::BindImageMemory( case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: { VmaDeviceMemoryBlock* pBlock = hAllocation->GetBlock(); - VMA_ASSERT(pBlock && "Binding image to allocation that doesn't belong to any block. Is the allocation lost?"); + VMA_ASSERT(pBlock && "Binding image to allocation that doesn't belong to any block."); res = pBlock->BindImageMemory(this, hAllocation, allocationLocalOffset, hImage, pNext); break; } @@ -16132,81 +15628,71 @@ VkResult VmaAllocator_T::BindImageMemory( return res; } -void VmaAllocator_T::FlushOrInvalidateAllocation( +VkResult VmaAllocator_T::FlushOrInvalidateAllocation( VmaAllocation hAllocation, VkDeviceSize offset, VkDeviceSize size, VMA_CACHE_OPERATION op) { - const uint32_t memTypeIndex = hAllocation->GetMemoryTypeIndex(); - if(size > 0 && IsMemoryTypeNonCoherent(memTypeIndex)) - { - const VkDeviceSize allocationSize = hAllocation->GetSize(); - VMA_ASSERT(offset <= allocationSize); - - const VkDeviceSize nonCoherentAtomSize = m_PhysicalDeviceProperties.limits.nonCoherentAtomSize; + VkResult res = VK_SUCCESS; - VkMappedMemoryRange memRange = {}; - memRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; - memRange.memory = hAllocation->GetMemory(); - - switch(hAllocation->GetType()) + VkMappedMemoryRange memRange = {}; + if(GetFlushOrInvalidateRange(hAllocation, offset, size, memRange)) + { + switch(op) { - case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: - memRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); - if(size == VK_WHOLE_SIZE) - { - memRange.size = allocationSize - memRange.offset; - } - else - { - VMA_ASSERT(offset + size <= allocationSize); - memRange.size = VMA_MIN( - VmaAlignUp(size + (offset - memRange.offset), nonCoherentAtomSize), - allocationSize - memRange.offset); - } + case VMA_CACHE_FLUSH: + res = (*GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hDevice, 1, &memRange); break; - - case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: - { - // 1. Still within this allocation. - memRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); - if(size == VK_WHOLE_SIZE) - { - size = allocationSize - offset; - } - else - { - VMA_ASSERT(offset + size <= allocationSize); - } - memRange.size = VmaAlignUp(size + (offset - memRange.offset), nonCoherentAtomSize); - - // 2. Adjust to whole block. - const VkDeviceSize allocationOffset = hAllocation->GetOffset(); - VMA_ASSERT(allocationOffset % nonCoherentAtomSize == 0); - const VkDeviceSize blockSize = hAllocation->GetBlock()->m_pMetadata->GetSize(); - memRange.offset += allocationOffset; - memRange.size = VMA_MIN(memRange.size, blockSize - memRange.offset); - + case VMA_CACHE_INVALIDATE: + res = (*GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hDevice, 1, &memRange); break; - } - default: VMA_ASSERT(0); } + } + // else: Just ignore this call. + return res; +} + +VkResult VmaAllocator_T::FlushOrInvalidateAllocations( + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, const VkDeviceSize* sizes, + VMA_CACHE_OPERATION op) +{ + typedef VmaStlAllocator<VkMappedMemoryRange> RangeAllocator; + typedef VmaSmallVector<VkMappedMemoryRange, RangeAllocator, 16> RangeVector; + RangeVector ranges = RangeVector(RangeAllocator(GetAllocationCallbacks())); + + for(uint32_t allocIndex = 0; allocIndex < allocationCount; ++allocIndex) + { + const VmaAllocation alloc = allocations[allocIndex]; + const VkDeviceSize offset = offsets != VMA_NULL ? offsets[allocIndex] : 0; + const VkDeviceSize size = sizes != VMA_NULL ? sizes[allocIndex] : VK_WHOLE_SIZE; + VkMappedMemoryRange newRange; + if(GetFlushOrInvalidateRange(alloc, offset, size, newRange)) + { + ranges.push_back(newRange); + } + } + VkResult res = VK_SUCCESS; + if(!ranges.empty()) + { switch(op) { case VMA_CACHE_FLUSH: - (*GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hDevice, 1, &memRange); + res = (*GetVulkanFunctions().vkFlushMappedMemoryRanges)(m_hDevice, (uint32_t)ranges.size(), ranges.data()); break; case VMA_CACHE_INVALIDATE: - (*GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hDevice, 1, &memRange); + res = (*GetVulkanFunctions().vkInvalidateMappedMemoryRanges)(m_hDevice, (uint32_t)ranges.size(), ranges.data()); break; default: VMA_ASSERT(0); } } // else: Just ignore this call. + return res; } void VmaAllocator_T::FreeDedicatedMemory(const VmaAllocation allocation) @@ -16214,17 +15700,20 @@ void VmaAllocator_T::FreeDedicatedMemory(const VmaAllocation allocation) VMA_ASSERT(allocation && allocation->GetType() == VmaAllocation_T::ALLOCATION_TYPE_DEDICATED); const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + VmaPool parentPool = allocation->GetParentPool(); + if(parentPool == VK_NULL_HANDLE) + { + // Default pool + m_DedicatedAllocations[memTypeIndex].Unregister(allocation); + } + else { - VmaMutexLockWrite lock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - AllocationVectorType* const pDedicatedAllocations = m_pDedicatedAllocations[memTypeIndex]; - VMA_ASSERT(pDedicatedAllocations); - bool success = VmaVectorRemoveSorted<VmaPointerLess>(*pDedicatedAllocations, allocation); - (void) success; - VMA_ASSERT(success); + // Custom pool + parentPool->m_DedicatedAllocations.Unregister(allocation); } VkDeviceMemory hMemory = allocation->GetMemory(); - + /* There is no need to call this, because Vulkan spec allows to skip vkUnmapMemory before vkFreeMemory. @@ -16234,9 +15723,12 @@ void VmaAllocator_T::FreeDedicatedMemory(const VmaAllocation allocation) (*m_VulkanFunctions.vkUnmapMemory)(m_hDevice, hMemory); } */ - + FreeVulkanMemory(memTypeIndex, allocation->GetSize(), hMemory); + m_Budget.RemoveAllocation(MemoryTypeIndexToHeapIndex(allocation->GetMemoryTypeIndex()), allocation->GetSize()); + m_AllocationObjectAllocator.Free(allocation); + VMA_DEBUG_LOG(" Freed DedicatedMemory MemoryTypeIndex=%u", memTypeIndex); } @@ -16265,18 +15757,100 @@ uint32_t VmaAllocator_T::CalculateGpuDefragmentationMemoryTypeBits() const return memoryTypeBits; } -#if VMA_MEMORY_BUDGET +uint32_t VmaAllocator_T::CalculateGlobalMemoryTypeBits() const +{ + // Make sure memory information is already fetched. + VMA_ASSERT(GetMemoryTypeCount() > 0); + + uint32_t memoryTypeBits = UINT32_MAX; + + if(!m_UseAmdDeviceCoherentMemory) + { + // Exclude memory types that have VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD. + for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + { + if((m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY) != 0) + { + memoryTypeBits &= ~(1u << memTypeIndex); + } + } + } + + return memoryTypeBits; +} + +bool VmaAllocator_T::GetFlushOrInvalidateRange( + VmaAllocation allocation, + VkDeviceSize offset, VkDeviceSize size, + VkMappedMemoryRange& outRange) const +{ + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + if(size > 0 && IsMemoryTypeNonCoherent(memTypeIndex)) + { + const VkDeviceSize nonCoherentAtomSize = m_PhysicalDeviceProperties.limits.nonCoherentAtomSize; + const VkDeviceSize allocationSize = allocation->GetSize(); + VMA_ASSERT(offset <= allocationSize); + + outRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; + outRange.pNext = VMA_NULL; + outRange.memory = allocation->GetMemory(); + + switch(allocation->GetType()) + { + case VmaAllocation_T::ALLOCATION_TYPE_DEDICATED: + outRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); + if(size == VK_WHOLE_SIZE) + { + outRange.size = allocationSize - outRange.offset; + } + else + { + VMA_ASSERT(offset + size <= allocationSize); + outRange.size = VMA_MIN( + VmaAlignUp(size + (offset - outRange.offset), nonCoherentAtomSize), + allocationSize - outRange.offset); + } + break; + case VmaAllocation_T::ALLOCATION_TYPE_BLOCK: + { + // 1. Still within this allocation. + outRange.offset = VmaAlignDown(offset, nonCoherentAtomSize); + if(size == VK_WHOLE_SIZE) + { + size = allocationSize - offset; + } + else + { + VMA_ASSERT(offset + size <= allocationSize); + } + outRange.size = VmaAlignUp(size + (offset - outRange.offset), nonCoherentAtomSize); + + // 2. Adjust to whole block. + const VkDeviceSize allocationOffset = allocation->GetOffset(); + VMA_ASSERT(allocationOffset % nonCoherentAtomSize == 0); + const VkDeviceSize blockSize = allocation->GetBlock()->m_pMetadata->GetSize(); + outRange.offset += allocationOffset; + outRange.size = VMA_MIN(outRange.size, blockSize - outRange.offset); + + break; + } + default: + VMA_ASSERT(0); + } + return true; + } + return false; +} +#if VMA_MEMORY_BUDGET void VmaAllocator_T::UpdateVulkanBudget() { VMA_ASSERT(m_UseExtMemoryBudget); - VkPhysicalDeviceMemoryProperties2KHR memProps = {}; - memProps.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2_KHR; + VkPhysicalDeviceMemoryProperties2KHR memProps = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2_KHR }; - VkPhysicalDeviceMemoryBudgetPropertiesEXT budgetProps = {}; - budgetProps.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_BUDGET_PROPERTIES_EXT; - memProps.pNext = &budgetProps; + VkPhysicalDeviceMemoryBudgetPropertiesEXT budgetProps = { VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_BUDGET_PROPERTIES_EXT }; + VmaPnextChainPushFront(&memProps, &budgetProps); GetVulkanFunctions().vkGetPhysicalDeviceMemoryProperties2KHR(m_PhysicalDevice, &memProps); @@ -16288,17 +15862,30 @@ void VmaAllocator_T::UpdateVulkanBudget() m_Budget.m_VulkanUsage[heapIndex] = budgetProps.heapUsage[heapIndex]; m_Budget.m_VulkanBudget[heapIndex] = budgetProps.heapBudget[heapIndex]; m_Budget.m_BlockBytesAtBudgetFetch[heapIndex] = m_Budget.m_BlockBytes[heapIndex].load(); + + // Some bugged drivers return the budget incorrectly, e.g. 0 or much bigger than heap size. + if(m_Budget.m_VulkanBudget[heapIndex] == 0) + { + m_Budget.m_VulkanBudget[heapIndex] = m_MemProps.memoryHeaps[heapIndex].size * 8 / 10; // 80% heuristics. + } + else if(m_Budget.m_VulkanBudget[heapIndex] > m_MemProps.memoryHeaps[heapIndex].size) + { + m_Budget.m_VulkanBudget[heapIndex] = m_MemProps.memoryHeaps[heapIndex].size; + } + if(m_Budget.m_VulkanUsage[heapIndex] == 0 && m_Budget.m_BlockBytesAtBudgetFetch[heapIndex] > 0) + { + m_Budget.m_VulkanUsage[heapIndex] = m_Budget.m_BlockBytesAtBudgetFetch[heapIndex]; + } } m_Budget.m_OperationsSinceBudgetFetch = 0; } } - -#endif // #if VMA_MEMORY_BUDGET +#endif // VMA_MEMORY_BUDGET void VmaAllocator_T::FillAllocation(const VmaAllocation hAllocation, uint8_t pattern) { if(VMA_DEBUG_INITIALIZE_ALLOCATIONS && - !hAllocation->CanBecomeLost() && + hAllocation->IsMappingAllowed() && (m_MemProps.memoryTypes[hAllocation->GetMemoryTypeIndex()].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0) { void* pData = VMA_NULL; @@ -16328,108 +15915,114 @@ uint32_t VmaAllocator_T::GetGpuDefragmentationMemoryTypeBits() } #if VMA_STATS_STRING_ENABLED - void VmaAllocator_T::PrintDetailedMap(VmaJsonWriter& json) { - bool dedicatedAllocationsStarted = false; - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + json.WriteString("DefaultPools"); + json.BeginObject(); { - VmaMutexLockRead dedicatedAllocationsLock(m_DedicatedAllocationsMutex[memTypeIndex], m_UseMutex); - AllocationVectorType* const pDedicatedAllocVector = m_pDedicatedAllocations[memTypeIndex]; - VMA_ASSERT(pDedicatedAllocVector); - if(pDedicatedAllocVector->empty() == false) + for (uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - if(dedicatedAllocationsStarted == false) + VmaBlockVector* pBlockVector = m_pBlockVectors[memTypeIndex]; + VmaDedicatedAllocationList& dedicatedAllocList = m_DedicatedAllocations[memTypeIndex]; + if (pBlockVector != VMA_NULL) { - dedicatedAllocationsStarted = true; - json.WriteString("DedicatedAllocations"); + json.BeginString("Type "); + json.ContinueString(memTypeIndex); + json.EndString(); json.BeginObject(); - } + { + json.WriteString("PreferredBlockSize"); + json.WriteNumber(pBlockVector->GetPreferredBlockSize()); - json.BeginString("Type "); - json.ContinueString(memTypeIndex); - json.EndString(); - - json.BeginArray(); + json.WriteString("Blocks"); + pBlockVector->PrintDetailedMap(json); - for(size_t i = 0; i < pDedicatedAllocVector->size(); ++i) - { - json.BeginObject(true); - const VmaAllocation hAlloc = (*pDedicatedAllocVector)[i]; - hAlloc->PrintParameters(json); + json.WriteString("DedicatedAllocations"); + dedicatedAllocList.BuildStatsString(json); + } json.EndObject(); } - - json.EndArray(); } } - if(dedicatedAllocationsStarted) - { - json.EndObject(); - } + json.EndObject(); + json.WriteString("CustomPools"); + json.BeginObject(); { - bool allocationsStarted = false; - for(uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) + VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); + if (!m_Pools.IsEmpty()) { - if(m_pBlockVectors[memTypeIndex]->IsEmpty() == false) + for (uint32_t memTypeIndex = 0; memTypeIndex < GetMemoryTypeCount(); ++memTypeIndex) { - if(allocationsStarted == false) + bool displayType = true; + size_t index = 0; + for (VmaPool pool = m_Pools.Front(); pool != VMA_NULL; pool = m_Pools.GetNext(pool)) { - allocationsStarted = true; - json.WriteString("DefaultPools"); - json.BeginObject(); - } + VmaBlockVector& blockVector = pool->m_BlockVector; + if (blockVector.GetMemoryTypeIndex() == memTypeIndex) + { + if (displayType) + { + json.BeginString("Type "); + json.ContinueString(memTypeIndex); + json.EndString(); + json.BeginArray(); + displayType = false; + } - json.BeginString("Type "); - json.ContinueString(memTypeIndex); - json.EndString(); + json.BeginObject(); + { + json.WriteString("Name"); + json.BeginString(); + json.ContinueString_Size(index++); + if (pool->GetName()) + { + json.ContinueString(" - "); + json.ContinueString(pool->GetName()); + } + json.EndString(); - m_pBlockVectors[memTypeIndex]->PrintDetailedMap(json); - } - } - if(allocationsStarted) - { - json.EndObject(); - } - } + json.WriteString("PreferredBlockSize"); + json.WriteNumber(blockVector.GetPreferredBlockSize()); - // Custom pools - { - VmaMutexLockRead lock(m_PoolsMutex, m_UseMutex); - const size_t poolCount = m_Pools.size(); - if(poolCount > 0) - { - json.WriteString("Pools"); - json.BeginObject(); - for(size_t poolIndex = 0; poolIndex < poolCount; ++poolIndex) - { - json.BeginString(); - json.ContinueString(m_Pools[poolIndex]->GetId()); - json.EndString(); + json.WriteString("Blocks"); + blockVector.PrintDetailedMap(json); + + json.WriteString("DedicatedAllocations"); + pool->m_DedicatedAllocations.BuildStatsString(json); + } + json.EndObject(); + } + } - m_Pools[poolIndex]->m_BlockVector.PrintDetailedMap(json); + if (!displayType) + json.EndArray(); } - json.EndObject(); } } + json.EndObject(); } +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_ALLOCATOR_T_FUNCTIONS -#endif // #if VMA_STATS_STRING_ENABLED - -//////////////////////////////////////////////////////////////////////////////// -// Public interface +#ifndef _VMA_PUBLIC_INTERFACE VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator( const VmaAllocatorCreateInfo* pCreateInfo, VmaAllocator* pAllocator) { VMA_ASSERT(pCreateInfo && pAllocator); VMA_ASSERT(pCreateInfo->vulkanApiVersion == 0 || - (VK_VERSION_MAJOR(pCreateInfo->vulkanApiVersion) == 1 && VK_VERSION_MINOR(pCreateInfo->vulkanApiVersion) <= 1)); + (VK_VERSION_MAJOR(pCreateInfo->vulkanApiVersion) == 1 && VK_VERSION_MINOR(pCreateInfo->vulkanApiVersion) <= 3)); VMA_DEBUG_LOG("vmaCreateAllocator"); *pAllocator = vma_new(pCreateInfo->pAllocationCallbacks, VmaAllocator_T)(pCreateInfo); - return (*pAllocator)->Init(pCreateInfo); + VkResult result = (*pAllocator)->Init(pCreateInfo); + if(result < 0) + { + vma_delete(pCreateInfo->pAllocationCallbacks, *pAllocator); + *pAllocator = VK_NULL_HANDLE; + } + return result; } VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( @@ -16438,11 +16031,19 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator( if(allocator != VK_NULL_HANDLE) { VMA_DEBUG_LOG("vmaDestroyAllocator"); - VkAllocationCallbacks allocationCallbacks = allocator->m_AllocationCallbacks; + VkAllocationCallbacks allocationCallbacks = allocator->m_AllocationCallbacks; // Have to copy the callbacks when destroying. vma_delete(&allocationCallbacks, allocator); } } +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocatorInfo(VmaAllocator allocator, VmaAllocatorInfo* pAllocatorInfo) +{ + VMA_ASSERT(allocator && pAllocatorInfo); + pAllocatorInfo->instance = allocator->m_hInstance; + pAllocatorInfo->physicalDevice = allocator->GetPhysicalDevice(); + pAllocatorInfo->device = allocator->m_hDevice; +} + VMA_CALL_PRE void VMA_CALL_POST vmaGetPhysicalDeviceProperties( VmaAllocator allocator, const VkPhysicalDeviceProperties **ppPhysicalDeviceProperties) @@ -16474,29 +16075,28 @@ VMA_CALL_PRE void VMA_CALL_POST vmaSetCurrentFrameIndex( uint32_t frameIndex) { VMA_ASSERT(allocator); - VMA_ASSERT(frameIndex != VMA_FRAME_INDEX_LOST); VMA_DEBUG_GLOBAL_MUTEX_LOCK allocator->SetCurrentFrameIndex(frameIndex); } -VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStats( +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateStatistics( VmaAllocator allocator, - VmaStats* pStats) + VmaTotalStatistics* pStats) { VMA_ASSERT(allocator && pStats); VMA_DEBUG_GLOBAL_MUTEX_LOCK - allocator->CalculateStats(pStats); + allocator->CalculateStatistics(pStats); } -VMA_CALL_PRE void VMA_CALL_POST vmaGetBudget( +VMA_CALL_PRE void VMA_CALL_POST vmaGetHeapBudgets( VmaAllocator allocator, - VmaBudget* pBudget) + VmaBudget* pBudgets) { - VMA_ASSERT(allocator && pBudget); + VMA_ASSERT(allocator && pBudgets); VMA_DEBUG_GLOBAL_MUTEX_LOCK - allocator->GetBudget(pBudget, 0, allocator->GetMemoryHeapCount()); + allocator->GetHeapBudgets(pBudgets, 0, allocator->GetMemoryHeapCount()); } #if VMA_STATS_STRING_ENABLED @@ -16509,121 +16109,183 @@ VMA_CALL_PRE void VMA_CALL_POST vmaBuildStatsString( VMA_ASSERT(allocator && ppStatsString); VMA_DEBUG_GLOBAL_MUTEX_LOCK - VmaStringBuilder sb(allocator); + VmaStringBuilder sb(allocator->GetAllocationCallbacks()); { - VmaJsonWriter json(allocator->GetAllocationCallbacks(), sb); - json.BeginObject(); - - VmaBudget budget[VK_MAX_MEMORY_HEAPS]; - allocator->GetBudget(budget, 0, allocator->GetMemoryHeapCount()); + VmaBudget budgets[VK_MAX_MEMORY_HEAPS]; + allocator->GetHeapBudgets(budgets, 0, allocator->GetMemoryHeapCount()); - VmaStats stats; - allocator->CalculateStats(&stats); + VmaTotalStatistics stats; + allocator->CalculateStatistics(&stats); - json.WriteString("Total"); - VmaPrintStatInfo(json, stats.total); - - for(uint32_t heapIndex = 0; heapIndex < allocator->GetMemoryHeapCount(); ++heapIndex) + VmaJsonWriter json(allocator->GetAllocationCallbacks(), sb); + json.BeginObject(); { - json.BeginString("Heap "); - json.ContinueString(heapIndex); - json.EndString(); + json.WriteString("General"); json.BeginObject(); + { + const VkPhysicalDeviceProperties& deviceProperties = allocator->m_PhysicalDeviceProperties; + const VkPhysicalDeviceMemoryProperties& memoryProperties = allocator->m_MemProps; - json.WriteString("Size"); - json.WriteNumber(allocator->m_MemProps.memoryHeaps[heapIndex].size); + json.WriteString("API"); + json.WriteString("Vulkan"); - json.WriteString("Flags"); - json.BeginArray(true); - if((allocator->m_MemProps.memoryHeaps[heapIndex].flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT) != 0) - { - json.WriteString("DEVICE_LOCAL"); - } - json.EndArray(); + json.WriteString("apiVersion"); + json.BeginString(); + json.ContinueString(VK_VERSION_MAJOR(deviceProperties.apiVersion)); + json.ContinueString("."); + json.ContinueString(VK_VERSION_MINOR(deviceProperties.apiVersion)); + json.ContinueString("."); + json.ContinueString(VK_VERSION_PATCH(deviceProperties.apiVersion)); + json.EndString(); - json.WriteString("Budget"); - json.BeginObject(); - { - json.WriteString("BlockBytes"); - json.WriteNumber(budget[heapIndex].blockBytes); - json.WriteString("AllocationBytes"); - json.WriteNumber(budget[heapIndex].allocationBytes); - json.WriteString("Usage"); - json.WriteNumber(budget[heapIndex].usage); - json.WriteString("Budget"); - json.WriteNumber(budget[heapIndex].budget); + json.WriteString("GPU"); + json.WriteString(deviceProperties.deviceName); + json.WriteString("deviceType"); + json.WriteNumber(static_cast<uint32_t>(deviceProperties.deviceType)); + + json.WriteString("maxMemoryAllocationCount"); + json.WriteNumber(deviceProperties.limits.maxMemoryAllocationCount); + json.WriteString("bufferImageGranularity"); + json.WriteNumber(deviceProperties.limits.bufferImageGranularity); + json.WriteString("nonCoherentAtomSize"); + json.WriteNumber(deviceProperties.limits.nonCoherentAtomSize); + + json.WriteString("memoryHeapCount"); + json.WriteNumber(memoryProperties.memoryHeapCount); + json.WriteString("memoryTypeCount"); + json.WriteNumber(memoryProperties.memoryTypeCount); } json.EndObject(); - - if(stats.memoryHeap[heapIndex].blockCount > 0) - { - json.WriteString("Stats"); - VmaPrintStatInfo(json, stats.memoryHeap[heapIndex]); - } - - for(uint32_t typeIndex = 0; typeIndex < allocator->GetMemoryTypeCount(); ++typeIndex) + } + { + json.WriteString("Total"); + VmaPrintDetailedStatistics(json, stats.total); + } + { + json.WriteString("MemoryInfo"); + json.BeginObject(); { - if(allocator->MemoryTypeIndexToHeapIndex(typeIndex) == heapIndex) + for (uint32_t heapIndex = 0; heapIndex < allocator->GetMemoryHeapCount(); ++heapIndex) { - json.BeginString("Type "); - json.ContinueString(typeIndex); + json.BeginString("Heap "); + json.ContinueString(heapIndex); json.EndString(); - json.BeginObject(); - - json.WriteString("Flags"); - json.BeginArray(true); - VkMemoryPropertyFlags flags = allocator->m_MemProps.memoryTypes[typeIndex].propertyFlags; - if((flags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) != 0) { - json.WriteString("DEVICE_LOCAL"); - } - if((flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) != 0) - { - json.WriteString("HOST_VISIBLE"); - } - if((flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) != 0) - { - json.WriteString("HOST_COHERENT"); - } - if((flags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) != 0) - { - json.WriteString("HOST_CACHED"); - } - if((flags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) != 0) - { - json.WriteString("LAZILY_ALLOCATED"); - } - json.EndArray(); + const VkMemoryHeap& heapInfo = allocator->m_MemProps.memoryHeaps[heapIndex]; + json.WriteString("Flags"); + json.BeginArray(true); + { + if (heapInfo.flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT) + json.WriteString("DEVICE_LOCAL"); + #if VMA_VULKAN_VERSION >= 1001000 + if (heapInfo.flags & VK_MEMORY_HEAP_MULTI_INSTANCE_BIT) + json.WriteString("MULTI_INSTANCE"); + #endif + + VkMemoryHeapFlags flags = heapInfo.flags & + ~(VK_MEMORY_HEAP_DEVICE_LOCAL_BIT + #if VMA_VULKAN_VERSION >= 1001000 + | VK_MEMORY_HEAP_MULTI_INSTANCE_BIT + #endif + ); + if (flags != 0) + json.WriteNumber(flags); + } + json.EndArray(); + + json.WriteString("Size"); + json.WriteNumber(heapInfo.size); + + json.WriteString("Budget"); + json.BeginObject(); + { + json.WriteString("BudgetBytes"); + json.WriteNumber(budgets[heapIndex].budget); + json.WriteString("UsageBytes"); + json.WriteNumber(budgets[heapIndex].usage); + } + json.EndObject(); - if(stats.memoryType[typeIndex].blockCount > 0) - { json.WriteString("Stats"); - VmaPrintStatInfo(json, stats.memoryType[typeIndex]); - } + VmaPrintDetailedStatistics(json, stats.memoryHeap[heapIndex]); + json.WriteString("MemoryPools"); + json.BeginObject(); + { + for (uint32_t typeIndex = 0; typeIndex < allocator->GetMemoryTypeCount(); ++typeIndex) + { + if (allocator->MemoryTypeIndexToHeapIndex(typeIndex) == heapIndex) + { + json.BeginString("Type "); + json.ContinueString(typeIndex); + json.EndString(); + json.BeginObject(); + { + json.WriteString("Flags"); + json.BeginArray(true); + { + VkMemoryPropertyFlags flags = allocator->m_MemProps.memoryTypes[typeIndex].propertyFlags; + if (flags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) + json.WriteString("DEVICE_LOCAL"); + if (flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) + json.WriteString("HOST_VISIBLE"); + if (flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) + json.WriteString("HOST_COHERENT"); + if (flags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) + json.WriteString("HOST_CACHED"); + if (flags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) + json.WriteString("LAZILY_ALLOCATED"); + #if VMA_VULKAN_VERSION >= 1001000 + if (flags & VK_MEMORY_PROPERTY_PROTECTED_BIT) + json.WriteString("PROTECTED"); + #endif + #if VK_AMD_device_coherent_memory + if (flags & VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY) + json.WriteString("DEVICE_COHERENT_AMD"); + if (flags & VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY) + json.WriteString("DEVICE_UNCACHED_AMD"); + #endif + + flags &= ~(VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT + #if VMA_VULKAN_VERSION >= 1001000 + | VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT + #endif + #if VK_AMD_device_coherent_memory + | VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD_COPY + | VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD_COPY + #endif + | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT + | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT + | VK_MEMORY_PROPERTY_HOST_CACHED_BIT); + if (flags != 0) + json.WriteNumber(flags); + } + json.EndArray(); + + json.WriteString("Stats"); + VmaPrintDetailedStatistics(json, stats.memoryType[typeIndex]); + } + json.EndObject(); + } + } + + } + json.EndObject(); + } json.EndObject(); } } - json.EndObject(); } - if(detailedMap == VK_TRUE) - { + + if (detailedMap == VK_TRUE) allocator->PrintDetailedMap(json); - } json.EndObject(); } - const size_t len = sb.GetLength(); - char* const pChars = vma_new_array(allocator, char, len + 1); - if(len > 0) - { - memcpy(pChars, sb.GetData(), len); - } - pChars[len] = '\0'; - *ppStatsString = pChars; + *ppStatsString = VmaCreateStringCopy(allocator->GetAllocationCallbacks(), sb.GetData(), sb.GetLength()); } VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( @@ -16633,12 +16295,11 @@ VMA_CALL_PRE void VMA_CALL_POST vmaFreeStatsString( if(pStatsString != VMA_NULL) { VMA_ASSERT(allocator); - size_t len = strlen(pStatsString); - vma_delete_array(allocator, pStatsString, len + 1); + VmaFreeString(allocator->GetAllocationCallbacks(), pStatsString); } } -#endif // #if VMA_STATS_STRING_ENABLED +#endif // VMA_STATS_STRING_ENABLED /* This function is not protected by any mutex because it just reads immutable data. @@ -16653,82 +16314,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndex( VMA_ASSERT(pAllocationCreateInfo != VMA_NULL); VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); - if(pAllocationCreateInfo->memoryTypeBits != 0) - { - memoryTypeBits &= pAllocationCreateInfo->memoryTypeBits; - } - - uint32_t requiredFlags = pAllocationCreateInfo->requiredFlags; - uint32_t preferredFlags = pAllocationCreateInfo->preferredFlags; - uint32_t notPreferredFlags = 0; - - // Convert usage to requiredFlags and preferredFlags. - switch(pAllocationCreateInfo->usage) - { - case VMA_MEMORY_USAGE_UNKNOWN: - break; - case VMA_MEMORY_USAGE_GPU_ONLY: - if(!allocator->IsIntegratedGpu() || (preferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) - { - preferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; - } - break; - case VMA_MEMORY_USAGE_CPU_ONLY: - requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; - break; - case VMA_MEMORY_USAGE_CPU_TO_GPU: - requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; - if(!allocator->IsIntegratedGpu() || (preferredFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0) - { - preferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; - } - break; - case VMA_MEMORY_USAGE_GPU_TO_CPU: - requiredFlags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; - preferredFlags |= VK_MEMORY_PROPERTY_HOST_CACHED_BIT; - break; - case VMA_MEMORY_USAGE_CPU_COPY: - notPreferredFlags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; - break; - case VMA_MEMORY_USAGE_GPU_LAZILY_ALLOCATED: - requiredFlags |= VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT; - break; - default: - VMA_ASSERT(0); - break; - } - - *pMemoryTypeIndex = UINT32_MAX; - uint32_t minCost = UINT32_MAX; - for(uint32_t memTypeIndex = 0, memTypeBit = 1; - memTypeIndex < allocator->GetMemoryTypeCount(); - ++memTypeIndex, memTypeBit <<= 1) - { - // This memory type is acceptable according to memoryTypeBits bitmask. - if((memTypeBit & memoryTypeBits) != 0) - { - const VkMemoryPropertyFlags currFlags = - allocator->m_MemProps.memoryTypes[memTypeIndex].propertyFlags; - // This memory type contains requiredFlags. - if((requiredFlags & ~currFlags) == 0) - { - // Calculate cost as number of bits from preferredFlags not present in this memory type. - uint32_t currCost = VmaCountBitsSet(preferredFlags & ~currFlags) + - VmaCountBitsSet(currFlags & notPreferredFlags); - // Remember memory type with lowest cost. - if(currCost < minCost) - { - *pMemoryTypeIndex = memTypeIndex; - if(currCost == 0) - { - return VK_SUCCESS; - } - minCost = currCost; - } - } - } - } - return (*pMemoryTypeIndex != UINT32_MAX) ? VK_SUCCESS : VK_ERROR_FEATURE_NOT_PRESENT; + return allocator->FindMemoryTypeIndex(memoryTypeBits, pAllocationCreateInfo, UINT32_MAX, pMemoryTypeIndex); } VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( @@ -16743,23 +16329,40 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo( VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); const VkDevice hDev = allocator->m_hDevice; - VkBuffer hBuffer = VK_NULL_HANDLE; - VkResult res = allocator->GetVulkanFunctions().vkCreateBuffer( - hDev, pBufferCreateInfo, allocator->GetAllocationCallbacks(), &hBuffer); - if(res == VK_SUCCESS) + const VmaVulkanFunctions* funcs = &allocator->GetVulkanFunctions(); + VkResult res; + +#if VMA_VULKAN_VERSION >= 1003000 + if(funcs->vkGetDeviceBufferMemoryRequirements) + { + // Can query straight from VkBufferCreateInfo :) + VkDeviceBufferMemoryRequirements devBufMemReq = {VK_STRUCTURE_TYPE_DEVICE_BUFFER_MEMORY_REQUIREMENTS}; + devBufMemReq.pCreateInfo = pBufferCreateInfo; + + VkMemoryRequirements2 memReq = {VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2}; + (*funcs->vkGetDeviceBufferMemoryRequirements)(hDev, &devBufMemReq, &memReq); + + res = allocator->FindMemoryTypeIndex( + memReq.memoryRequirements.memoryTypeBits, pAllocationCreateInfo, pBufferCreateInfo->usage, pMemoryTypeIndex); + } + else +#endif // #if VMA_VULKAN_VERSION >= 1003000 { - VkMemoryRequirements memReq = {}; - allocator->GetVulkanFunctions().vkGetBufferMemoryRequirements( - hDev, hBuffer, &memReq); + // Must create a dummy buffer to query :( + VkBuffer hBuffer = VK_NULL_HANDLE; + res = funcs->vkCreateBuffer( + hDev, pBufferCreateInfo, allocator->GetAllocationCallbacks(), &hBuffer); + if(res == VK_SUCCESS) + { + VkMemoryRequirements memReq = {}; + funcs->vkGetBufferMemoryRequirements(hDev, hBuffer, &memReq); - res = vmaFindMemoryTypeIndex( - allocator, - memReq.memoryTypeBits, - pAllocationCreateInfo, - pMemoryTypeIndex); + res = allocator->FindMemoryTypeIndex( + memReq.memoryTypeBits, pAllocationCreateInfo, pBufferCreateInfo->usage, pMemoryTypeIndex); - allocator->GetVulkanFunctions().vkDestroyBuffer( - hDev, hBuffer, allocator->GetAllocationCallbacks()); + funcs->vkDestroyBuffer( + hDev, hBuffer, allocator->GetAllocationCallbacks()); + } } return res; } @@ -16776,48 +16379,58 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForImageInfo( VMA_ASSERT(pMemoryTypeIndex != VMA_NULL); const VkDevice hDev = allocator->m_hDevice; - VkImage hImage = VK_NULL_HANDLE; - VkResult res = allocator->GetVulkanFunctions().vkCreateImage( - hDev, pImageCreateInfo, allocator->GetAllocationCallbacks(), &hImage); - if(res == VK_SUCCESS) + const VmaVulkanFunctions* funcs = &allocator->GetVulkanFunctions(); + VkResult res; + +#if VMA_VULKAN_VERSION >= 1003000 + if(funcs->vkGetDeviceImageMemoryRequirements) + { + // Can query straight from VkImageCreateInfo :) + VkDeviceImageMemoryRequirements devImgMemReq = {VK_STRUCTURE_TYPE_DEVICE_IMAGE_MEMORY_REQUIREMENTS}; + devImgMemReq.pCreateInfo = pImageCreateInfo; + VMA_ASSERT(pImageCreateInfo->tiling != VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT_COPY && (pImageCreateInfo->flags & VK_IMAGE_CREATE_DISJOINT_BIT_COPY) == 0 && + "Cannot use this VkImageCreateInfo with vmaFindMemoryTypeIndexForImageInfo as I don't know what to pass as VkDeviceImageMemoryRequirements::planeAspect."); + + VkMemoryRequirements2 memReq = {VK_STRUCTURE_TYPE_MEMORY_REQUIREMENTS_2}; + (*funcs->vkGetDeviceImageMemoryRequirements)(hDev, &devImgMemReq, &memReq); + + res = allocator->FindMemoryTypeIndex( + memReq.memoryRequirements.memoryTypeBits, pAllocationCreateInfo, pImageCreateInfo->usage, pMemoryTypeIndex); + } + else +#endif // #if VMA_VULKAN_VERSION >= 1003000 { - VkMemoryRequirements memReq = {}; - allocator->GetVulkanFunctions().vkGetImageMemoryRequirements( - hDev, hImage, &memReq); + // Must create a dummy image to query :( + VkImage hImage = VK_NULL_HANDLE; + res = funcs->vkCreateImage( + hDev, pImageCreateInfo, allocator->GetAllocationCallbacks(), &hImage); + if(res == VK_SUCCESS) + { + VkMemoryRequirements memReq = {}; + funcs->vkGetImageMemoryRequirements(hDev, hImage, &memReq); - res = vmaFindMemoryTypeIndex( - allocator, - memReq.memoryTypeBits, - pAllocationCreateInfo, - pMemoryTypeIndex); + res = allocator->FindMemoryTypeIndex( + memReq.memoryTypeBits, pAllocationCreateInfo, pImageCreateInfo->usage, pMemoryTypeIndex); - allocator->GetVulkanFunctions().vkDestroyImage( - hDev, hImage, allocator->GetAllocationCallbacks()); + funcs->vkDestroyImage( + hDev, hImage, allocator->GetAllocationCallbacks()); + } } return res; } VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreatePool( - VmaAllocator allocator, - const VmaPoolCreateInfo* pCreateInfo, - VmaPool* pPool) + VmaAllocator allocator, + const VmaPoolCreateInfo* pCreateInfo, + VmaPool* pPool) { VMA_ASSERT(allocator && pCreateInfo && pPool); - + VMA_DEBUG_LOG("vmaCreatePool"); - + VMA_DEBUG_GLOBAL_MUTEX_LOCK - - VkResult res = allocator->CreatePool(pCreateInfo, pPool); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordCreatePool(allocator->GetCurrentFrameIndex(), *pCreateInfo, *pPool); - } -#endif - - return res; + + return allocator->CreatePool(pCreateInfo, pPool); } VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool( @@ -16825,55 +16438,41 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool( VmaPool pool) { VMA_ASSERT(allocator); - + if(pool == VK_NULL_HANDLE) { return; } - + VMA_DEBUG_LOG("vmaDestroyPool"); - + VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDestroyPool(allocator->GetCurrentFrameIndex(), pool); - } -#endif allocator->DestroyPool(pool); } -VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStats( +VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolStatistics( VmaAllocator allocator, VmaPool pool, - VmaPoolStats* pPoolStats) + VmaStatistics* pPoolStats) { VMA_ASSERT(allocator && pool && pPoolStats); VMA_DEBUG_GLOBAL_MUTEX_LOCK - allocator->GetPoolStats(pool, pPoolStats); + allocator->GetPoolStatistics(pool, pPoolStats); } -VMA_CALL_PRE void VMA_CALL_POST vmaMakePoolAllocationsLost( +VMA_CALL_PRE void VMA_CALL_POST vmaCalculatePoolStatistics( VmaAllocator allocator, VmaPool pool, - size_t* pLostAllocationCount) + VmaDetailedStatistics* pPoolStats) { - VMA_ASSERT(allocator && pool); + VMA_ASSERT(allocator && pool && pPoolStats); VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordMakePoolAllocationsLost(allocator->GetCurrentFrameIndex(), pool); - } -#endif - - allocator->MakePoolAllocationsLost(pool, pLostAllocationCount); + allocator->CalculatePoolStatistics(pool, pPoolStats); } VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckPoolCorruption(VmaAllocator allocator, VmaPool pool) @@ -16892,9 +16491,8 @@ VMA_CALL_PRE void VMA_CALL_POST vmaGetPoolName( VmaPool pool, const char** ppName) { - VMA_ASSERT(allocator && pool); - (void) allocator; - + VMA_ASSERT(allocator && pool && ppName); + VMA_DEBUG_LOG("vmaGetPoolName"); VMA_DEBUG_GLOBAL_MUTEX_LOCK @@ -16914,15 +16512,6 @@ VMA_CALL_PRE void VMA_CALL_POST vmaSetPoolName( VMA_DEBUG_GLOBAL_MUTEX_LOCK pool->SetName(pName); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordSetPoolName(allocator->GetCurrentFrameIndex(), pool, pName); - } -#else - (void) allocator; -#endif } VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemory( @@ -16938,34 +16527,24 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemory( VMA_DEBUG_GLOBAL_MUTEX_LOCK - VkResult result = allocator->AllocateMemory( + VkResult result = allocator->AllocateMemory( *pVkMemoryRequirements, false, // requiresDedicatedAllocation false, // prefersDedicatedAllocation VK_NULL_HANDLE, // dedicatedBuffer VK_NULL_HANDLE, // dedicatedImage + UINT32_MAX, // dedicatedBufferImageUsage *pCreateInfo, VMA_SUBALLOCATION_TYPE_UNKNOWN, 1, // allocationCount pAllocation); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemory( - allocator->GetCurrentFrameIndex(), - *pVkMemoryRequirements, - *pCreateInfo, - *pAllocation); - } -#endif - if(pAllocationInfo != VMA_NULL && result == VK_SUCCESS) { allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); } - return result; + return result; } VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( @@ -16987,29 +16566,18 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( VMA_DEBUG_GLOBAL_MUTEX_LOCK - VkResult result = allocator->AllocateMemory( + VkResult result = allocator->AllocateMemory( *pVkMemoryRequirements, false, // requiresDedicatedAllocation false, // prefersDedicatedAllocation VK_NULL_HANDLE, // dedicatedBuffer VK_NULL_HANDLE, // dedicatedImage + UINT32_MAX, // dedicatedBufferImageUsage *pCreateInfo, VMA_SUBALLOCATION_TYPE_UNKNOWN, allocationCount, pAllocations); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemoryPages( - allocator->GetCurrentFrameIndex(), - *pVkMemoryRequirements, - *pCreateInfo, - (uint64_t)allocationCount, - pAllocations); - } -#endif - if(pAllocationInfo != VMA_NULL && result == VK_SUCCESS) { for(size_t i = 0; i < allocationCount; ++i) @@ -17018,7 +16586,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryPages( } } - return result; + return result; } VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForBuffer( @@ -17047,30 +16615,18 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForBuffer( prefersDedicatedAllocation, buffer, // dedicatedBuffer VK_NULL_HANDLE, // dedicatedImage + UINT32_MAX, // dedicatedBufferImageUsage *pCreateInfo, VMA_SUBALLOCATION_TYPE_BUFFER, 1, // allocationCount pAllocation); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemoryForBuffer( - allocator->GetCurrentFrameIndex(), - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - *pCreateInfo, - *pAllocation); - } -#endif - if(pAllocationInfo && result == VK_SUCCESS) { allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); } - return result; + return result; } VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForImage( @@ -17098,30 +16654,18 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaAllocateMemoryForImage( prefersDedicatedAllocation, VK_NULL_HANDLE, // dedicatedBuffer image, // dedicatedImage + UINT32_MAX, // dedicatedBufferImageUsage *pCreateInfo, VMA_SUBALLOCATION_TYPE_IMAGE_UNKNOWN, 1, // allocationCount pAllocation); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordAllocateMemoryForImage( - allocator->GetCurrentFrameIndex(), - vkMemReq, - requiresDedicatedAllocation, - prefersDedicatedAllocation, - *pCreateInfo, - *pAllocation); - } -#endif - if(pAllocationInfo && result == VK_SUCCESS) { allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); } - return result; + return result; } VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( @@ -17129,25 +16673,16 @@ VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( VmaAllocation allocation) { VMA_ASSERT(allocator); - + if(allocation == VK_NULL_HANDLE) { return; } - + VMA_DEBUG_LOG("vmaFreeMemory"); - + VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordFreeMemory( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - allocator->FreeMemory( 1, // allocationCount &allocation); @@ -17156,7 +16691,7 @@ VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemory( VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemoryPages( VmaAllocator allocator, size_t allocationCount, - VmaAllocation* pAllocations) + const VmaAllocation* pAllocations) { if(allocationCount == 0) { @@ -17164,36 +16699,12 @@ VMA_CALL_PRE void VMA_CALL_POST vmaFreeMemoryPages( } VMA_ASSERT(allocator); - - VMA_DEBUG_LOG("vmaFreeMemoryPages"); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordFreeMemoryPages( - allocator->GetCurrentFrameIndex(), - (uint64_t)allocationCount, - pAllocations); - } -#endif - - allocator->FreeMemory(allocationCount, pAllocations); -} + VMA_DEBUG_LOG("vmaFreeMemoryPages"); -VMA_CALL_PRE VkResult VMA_CALL_POST vmaResizeAllocation( - VmaAllocator allocator, - VmaAllocation allocation, - VkDeviceSize newSize) -{ - VMA_ASSERT(allocator && allocation); - - VMA_DEBUG_LOG("vmaResizeAllocation"); - VMA_DEBUG_GLOBAL_MUTEX_LOCK - return allocator->ResizeAllocation(allocation, newSize); + allocator->FreeMemory(allocationCount, pAllocations); } VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo( @@ -17205,38 +16716,9 @@ VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo( VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordGetAllocationInfo( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - allocator->GetAllocationInfo(allocation, pAllocationInfo); } -VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaTouchAllocation( - VmaAllocator allocator, - VmaAllocation allocation) -{ - VMA_ASSERT(allocator && allocation); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordTouchAllocation( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - return allocator->TouchAllocation(allocation); -} - VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData( VmaAllocator allocator, VmaAllocation allocation, @@ -17247,36 +16729,24 @@ VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData( VMA_DEBUG_GLOBAL_MUTEX_LOCK allocation->SetUserData(allocator, pUserData); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordSetAllocationUserData( - allocator->GetCurrentFrameIndex(), - allocation, - pUserData); - } -#endif } -VMA_CALL_PRE void VMA_CALL_POST vmaCreateLostAllocation( - VmaAllocator allocator, - VmaAllocation* pAllocation) +VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationName( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + const char* VMA_NULLABLE pName) { - VMA_ASSERT(allocator && pAllocation); - - VMA_DEBUG_GLOBAL_MUTEX_LOCK; - - allocator->CreateLostAllocation(pAllocation); + allocation->SetName(allocator, pName); +} -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordCreateLostAllocation( - allocator->GetCurrentFrameIndex(), - *pAllocation); - } -#endif +VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationMemoryProperties( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + VkMemoryPropertyFlags* VMA_NOT_NULL pFlags) +{ + VMA_ASSERT(allocator && allocation && pFlags); + const uint32_t memTypeIndex = allocation->GetMemoryTypeIndex(); + *pFlags = allocator->m_MemProps.memoryTypes[memTypeIndex].propertyFlags; } VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory( @@ -17288,18 +16758,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory( VMA_DEBUG_GLOBAL_MUTEX_LOCK - VkResult res = allocator->Map(allocation, ppData); - -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordMapMemory( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - - return res; + return allocator->Map(allocation, ppData); } VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory( @@ -17310,19 +16769,14 @@ VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory( VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordUnmapMemory( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - allocator->Unmap(allocation); } -VMA_CALL_PRE void VMA_CALL_POST vmaFlushAllocation(VmaAllocator allocator, VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocation( + VmaAllocator allocator, + VmaAllocation allocation, + VkDeviceSize offset, + VkDeviceSize size) { VMA_ASSERT(allocator && allocation); @@ -17330,19 +16784,16 @@ VMA_CALL_PRE void VMA_CALL_POST vmaFlushAllocation(VmaAllocator allocator, VmaAl VMA_DEBUG_GLOBAL_MUTEX_LOCK - allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_FLUSH); + const VkResult res = allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_FLUSH); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordFlushAllocation( - allocator->GetCurrentFrameIndex(), - allocation, offset, size); - } -#endif + return res; } -VMA_CALL_PRE void VMA_CALL_POST vmaInvalidateAllocation(VmaAllocator allocator, VmaAllocation allocation, VkDeviceSize offset, VkDeviceSize size) +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocation( + VmaAllocator allocator, + VmaAllocation allocation, + VkDeviceSize offset, + VkDeviceSize size) { VMA_ASSERT(allocator && allocation); @@ -17350,126 +16801,138 @@ VMA_CALL_PRE void VMA_CALL_POST vmaInvalidateAllocation(VmaAllocator allocator, VMA_DEBUG_GLOBAL_MUTEX_LOCK - allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_INVALIDATE); + const VkResult res = allocator->FlushOrInvalidateAllocation(allocation, offset, size, VMA_CACHE_INVALIDATE); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordInvalidateAllocation( - allocator->GetCurrentFrameIndex(), - allocation, offset, size); - } -#endif + return res; } -VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption(VmaAllocator allocator, uint32_t memoryTypeBits) +VMA_CALL_PRE VkResult VMA_CALL_POST vmaFlushAllocations( + VmaAllocator allocator, + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, + const VkDeviceSize* sizes) { VMA_ASSERT(allocator); - VMA_DEBUG_LOG("vmaCheckCorruption"); + if(allocationCount == 0) + { + return VK_SUCCESS; + } + + VMA_ASSERT(allocations); + + VMA_DEBUG_LOG("vmaFlushAllocations"); VMA_DEBUG_GLOBAL_MUTEX_LOCK - return allocator->CheckCorruption(memoryTypeBits); + const VkResult res = allocator->FlushOrInvalidateAllocations(allocationCount, allocations, offsets, sizes, VMA_CACHE_FLUSH); + + return res; } -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragment( +VMA_CALL_PRE VkResult VMA_CALL_POST vmaInvalidateAllocations( VmaAllocator allocator, - VmaAllocation* pAllocations, - size_t allocationCount, - VkBool32* pAllocationsChanged, - const VmaDefragmentationInfo *pDefragmentationInfo, - VmaDefragmentationStats* pDefragmentationStats) + uint32_t allocationCount, + const VmaAllocation* allocations, + const VkDeviceSize* offsets, + const VkDeviceSize* sizes) { - // Deprecated interface, reimplemented using new one. + VMA_ASSERT(allocator); - VmaDefragmentationInfo2 info2 = {}; - info2.allocationCount = (uint32_t)allocationCount; - info2.pAllocations = pAllocations; - info2.pAllocationsChanged = pAllocationsChanged; - if(pDefragmentationInfo != VMA_NULL) - { - info2.maxCpuAllocationsToMove = pDefragmentationInfo->maxAllocationsToMove; - info2.maxCpuBytesToMove = pDefragmentationInfo->maxBytesToMove; - } - else + if(allocationCount == 0) { - info2.maxCpuAllocationsToMove = UINT32_MAX; - info2.maxCpuBytesToMove = VK_WHOLE_SIZE; + return VK_SUCCESS; } - // info2.flags, maxGpuAllocationsToMove, maxGpuBytesToMove, commandBuffer deliberately left zero. - VmaDefragmentationContext ctx; - VkResult res = vmaDefragmentationBegin(allocator, &info2, pDefragmentationStats, &ctx); - if(res == VK_NOT_READY) - { - res = vmaDefragmentationEnd( allocator, ctx); - } + VMA_ASSERT(allocations); + + VMA_DEBUG_LOG("vmaInvalidateAllocations"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + const VkResult res = allocator->FlushOrInvalidateAllocations(allocationCount, allocations, offsets, sizes, VMA_CACHE_INVALIDATE); + return res; } -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationBegin( +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCheckCorruption( VmaAllocator allocator, - const VmaDefragmentationInfo2* pInfo, - VmaDefragmentationStats* pStats, - VmaDefragmentationContext *pContext) + uint32_t memoryTypeBits) { - VMA_ASSERT(allocator && pInfo && pContext); + VMA_ASSERT(allocator); - // Degenerate case: Nothing to defragment. - if(pInfo->allocationCount == 0 && pInfo->poolCount == 0) - { - return VK_SUCCESS; - } + VMA_DEBUG_LOG("vmaCheckCorruption"); - VMA_ASSERT(pInfo->allocationCount == 0 || pInfo->pAllocations != VMA_NULL); - VMA_ASSERT(pInfo->poolCount == 0 || pInfo->pPools != VMA_NULL); - VMA_HEAVY_ASSERT(VmaValidatePointerArray(pInfo->allocationCount, pInfo->pAllocations)); - VMA_HEAVY_ASSERT(VmaValidatePointerArray(pInfo->poolCount, pInfo->pPools)); + VMA_DEBUG_GLOBAL_MUTEX_LOCK - VMA_DEBUG_LOG("vmaDefragmentationBegin"); + return allocator->CheckCorruption(memoryTypeBits); +} - VMA_DEBUG_GLOBAL_MUTEX_LOCK +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentation( + VmaAllocator allocator, + const VmaDefragmentationInfo* pInfo, + VmaDefragmentationContext* pContext) +{ + VMA_ASSERT(allocator && pInfo && pContext); - VkResult res = allocator->DefragmentationBegin(*pInfo, pStats, pContext); + VMA_DEBUG_LOG("vmaBeginDefragmentation"); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) + if (pInfo->pool != VMA_NULL) { - allocator->GetRecorder()->RecordDefragmentationBegin( - allocator->GetCurrentFrameIndex(), *pInfo, *pContext); + // Check if run on supported algorithms + if (pInfo->pool->m_BlockVector.GetAlgorithm() & VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT) + return VK_ERROR_FEATURE_NOT_PRESENT; } -#endif - return res; + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + *pContext = vma_new(allocator, VmaDefragmentationContext_T)(allocator, *pInfo); + return VK_SUCCESS; } -VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationEnd( +VMA_CALL_PRE void VMA_CALL_POST vmaEndDefragmentation( VmaAllocator allocator, - VmaDefragmentationContext context) + VmaDefragmentationContext context, + VmaDefragmentationStats* pStats) { - VMA_ASSERT(allocator); + VMA_ASSERT(allocator && context); - VMA_DEBUG_LOG("vmaDefragmentationEnd"); + VMA_DEBUG_LOG("vmaEndDefragmentation"); - if(context != VK_NULL_HANDLE) - { - VMA_DEBUG_GLOBAL_MUTEX_LOCK + VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDefragmentationEnd( - allocator->GetCurrentFrameIndex(), context); - } -#endif + if (pStats) + context->GetStats(*pStats); + vma_delete(allocator, context); +} - return allocator->DefragmentationEnd(context); - } - else - { - return VK_SUCCESS; - } +VMA_CALL_PRE VkResult VMA_CALL_POST vmaBeginDefragmentationPass( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NOT_NULL context, + VmaDefragmentationPassMoveInfo* VMA_NOT_NULL pPassInfo) +{ + VMA_ASSERT(context && pPassInfo); + + VMA_DEBUG_LOG("vmaBeginDefragmentationPass"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return context->DefragmentPassBegin(*pPassInfo); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaEndDefragmentationPass( + VmaAllocator VMA_NOT_NULL allocator, + VmaDefragmentationContext VMA_NOT_NULL context, + VmaDefragmentationPassMoveInfo* VMA_NOT_NULL pPassInfo) +{ + VMA_ASSERT(context && pPassInfo); + + VMA_DEBUG_LOG("vmaEndDefragmentationPass"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + return context->DefragmentPassEnd(*pPassInfo); } VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory( @@ -17544,11 +17007,17 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( if(pBufferCreateInfo->size == 0) { - return VK_ERROR_VALIDATION_FAILED_EXT; + return VK_ERROR_INITIALIZATION_FAILED; } - + if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY) != 0 && + !allocator->m_UseKhrBufferDeviceAddress) + { + VMA_ASSERT(0 && "Creating a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT is not valid if VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT was not used."); + return VK_ERROR_INITIALIZATION_FAILED; + } + VMA_DEBUG_LOG("vmaCreateBuffer"); - + VMA_DEBUG_GLOBAL_MUTEX_LOCK *pBuffer = VK_NULL_HANDLE; @@ -17569,24 +17038,6 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( allocator->GetBufferMemoryRequirements(*pBuffer, vkMemReq, requiresDedicatedAllocation, prefersDedicatedAllocation); - // Make sure alignment requirements for specific buffer usages reported - // in Physical Device Properties are included in alignment reported by memory requirements. - if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT) != 0) - { - VMA_ASSERT(vkMemReq.alignment % - allocator->m_PhysicalDeviceProperties.limits.minTexelBufferOffsetAlignment == 0); - } - if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT) != 0) - { - VMA_ASSERT(vkMemReq.alignment % - allocator->m_PhysicalDeviceProperties.limits.minUniformBufferOffsetAlignment == 0); - } - if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_STORAGE_BUFFER_BIT) != 0) - { - VMA_ASSERT(vkMemReq.alignment % - allocator->m_PhysicalDeviceProperties.limits.minStorageBufferOffsetAlignment == 0); - } - // 3. Allocate memory using allocator. res = allocator->AllocateMemory( vkMemReq, @@ -17594,21 +17045,106 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( prefersDedicatedAllocation, *pBuffer, // dedicatedBuffer VK_NULL_HANDLE, // dedicatedImage + pBufferCreateInfo->usage, // dedicatedBufferImageUsage *pAllocationCreateInfo, VMA_SUBALLOCATION_TYPE_BUFFER, 1, // allocationCount pAllocation); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) + if(res >= 0) { - allocator->GetRecorder()->RecordCreateBuffer( - allocator->GetCurrentFrameIndex(), - *pBufferCreateInfo, - *pAllocationCreateInfo, - *pAllocation); + // 3. Bind buffer with memory. + if((pAllocationCreateInfo->flags & VMA_ALLOCATION_CREATE_DONT_BIND_BIT) == 0) + { + res = allocator->BindBufferMemory(*pAllocation, 0, *pBuffer, VMA_NULL); + } + if(res >= 0) + { + // All steps succeeded. + #if VMA_STATS_STRING_ENABLED + (*pAllocation)->InitBufferImageUsage(pBufferCreateInfo->usage); + #endif + if(pAllocationInfo != VMA_NULL) + { + allocator->GetAllocationInfo(*pAllocation, pAllocationInfo); + } + + return VK_SUCCESS; + } + allocator->FreeMemory( + 1, // allocationCount + pAllocation); + *pAllocation = VK_NULL_HANDLE; + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); + *pBuffer = VK_NULL_HANDLE; + return res; } -#endif + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); + *pBuffer = VK_NULL_HANDLE; + return res; + } + return res; +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBufferWithAlignment( + VmaAllocator allocator, + const VkBufferCreateInfo* pBufferCreateInfo, + const VmaAllocationCreateInfo* pAllocationCreateInfo, + VkDeviceSize minAlignment, + VkBuffer* pBuffer, + VmaAllocation* pAllocation, + VmaAllocationInfo* pAllocationInfo) +{ + VMA_ASSERT(allocator && pBufferCreateInfo && pAllocationCreateInfo && VmaIsPow2(minAlignment) && pBuffer && pAllocation); + + if(pBufferCreateInfo->size == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + if((pBufferCreateInfo->usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY) != 0 && + !allocator->m_UseKhrBufferDeviceAddress) + { + VMA_ASSERT(0 && "Creating a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT is not valid if VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT was not used."); + return VK_ERROR_INITIALIZATION_FAILED; + } + + VMA_DEBUG_LOG("vmaCreateBufferWithAlignment"); + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + *pBuffer = VK_NULL_HANDLE; + *pAllocation = VK_NULL_HANDLE; + + // 1. Create VkBuffer. + VkResult res = (*allocator->GetVulkanFunctions().vkCreateBuffer)( + allocator->m_hDevice, + pBufferCreateInfo, + allocator->GetAllocationCallbacks(), + pBuffer); + if(res >= 0) + { + // 2. vkGetBufferMemoryRequirements. + VkMemoryRequirements vkMemReq = {}; + bool requiresDedicatedAllocation = false; + bool prefersDedicatedAllocation = false; + allocator->GetBufferMemoryRequirements(*pBuffer, vkMemReq, + requiresDedicatedAllocation, prefersDedicatedAllocation); + + // 2a. Include minAlignment + vkMemReq.alignment = VMA_MAX(vkMemReq.alignment, minAlignment); + + // 3. Allocate memory using allocator. + res = allocator->AllocateMemory( + vkMemReq, + requiresDedicatedAllocation, + prefersDedicatedAllocation, + *pBuffer, // dedicatedBuffer + VK_NULL_HANDLE, // dedicatedImage + pBufferCreateInfo->usage, // dedicatedBufferImageUsage + *pAllocationCreateInfo, + VMA_SUBALLOCATION_TYPE_BUFFER, + 1, // allocationCount + pAllocation); if(res >= 0) { @@ -17645,6 +17181,50 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer( return res; } +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAliasingBuffer( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + const VkBufferCreateInfo* VMA_NOT_NULL pBufferCreateInfo, + VkBuffer VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pBuffer) +{ + VMA_ASSERT(allocator && pBufferCreateInfo && pBuffer && allocation); + + VMA_DEBUG_LOG("vmaCreateAliasingBuffer"); + + *pBuffer = VK_NULL_HANDLE; + + if (pBufferCreateInfo->size == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + if ((pBufferCreateInfo->usage & VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_COPY) != 0 && + !allocator->m_UseKhrBufferDeviceAddress) + { + VMA_ASSERT(0 && "Creating a buffer with VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT is not valid if VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT was not used."); + return VK_ERROR_INITIALIZATION_FAILED; + } + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + // 1. Create VkBuffer. + VkResult res = (*allocator->GetVulkanFunctions().vkCreateBuffer)( + allocator->m_hDevice, + pBufferCreateInfo, + allocator->GetAllocationCallbacks(), + pBuffer); + if (res >= 0) + { + // 2. Bind buffer with memory. + res = allocator->BindBufferMemory(allocation, 0, *pBuffer, VMA_NULL); + if (res >= 0) + { + return VK_SUCCESS; + } + (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, *pBuffer, allocator->GetAllocationCallbacks()); + } + return res; +} + VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer( VmaAllocator allocator, VkBuffer buffer, @@ -17661,15 +17241,6 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer( VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDestroyBuffer( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - if(buffer != VK_NULL_HANDLE) { (*allocator->GetVulkanFunctions().vkDestroyBuffer)(allocator->m_hDevice, buffer, allocator->GetAllocationCallbacks()); @@ -17699,7 +17270,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( pImageCreateInfo->mipLevels == 0 || pImageCreateInfo->arrayLayers == 0) { - return VK_ERROR_VALIDATION_FAILED_EXT; + return VK_ERROR_INITIALIZATION_FAILED; } VMA_DEBUG_LOG("vmaCreateImage"); @@ -17720,7 +17291,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( VmaSuballocationType suballocType = pImageCreateInfo->tiling == VK_IMAGE_TILING_OPTIMAL ? VMA_SUBALLOCATION_TYPE_IMAGE_OPTIMAL : VMA_SUBALLOCATION_TYPE_IMAGE_LINEAR; - + // 2. Allocate memory using allocator. VkMemoryRequirements vkMemReq = {}; bool requiresDedicatedAllocation = false; @@ -17734,22 +17305,12 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( prefersDedicatedAllocation, VK_NULL_HANDLE, // dedicatedBuffer *pImage, // dedicatedImage + pImageCreateInfo->usage, // dedicatedBufferImageUsage *pAllocationCreateInfo, suballocType, 1, // allocationCount pAllocation); -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordCreateImage( - allocator->GetCurrentFrameIndex(), - *pImageCreateInfo, - *pAllocationCreateInfo, - *pAllocation); - } -#endif - if(res >= 0) { // 3. Bind image with memory. @@ -17785,10 +17346,52 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage( return res; } +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAliasingImage( + VmaAllocator VMA_NOT_NULL allocator, + VmaAllocation VMA_NOT_NULL allocation, + const VkImageCreateInfo* VMA_NOT_NULL pImageCreateInfo, + VkImage VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pImage) +{ + VMA_ASSERT(allocator && pImageCreateInfo && pImage && allocation); + + *pImage = VK_NULL_HANDLE; + + VMA_DEBUG_LOG("vmaCreateImage"); + + if (pImageCreateInfo->extent.width == 0 || + pImageCreateInfo->extent.height == 0 || + pImageCreateInfo->extent.depth == 0 || + pImageCreateInfo->mipLevels == 0 || + pImageCreateInfo->arrayLayers == 0) + { + return VK_ERROR_INITIALIZATION_FAILED; + } + + VMA_DEBUG_GLOBAL_MUTEX_LOCK + + // 1. Create VkImage. + VkResult res = (*allocator->GetVulkanFunctions().vkCreateImage)( + allocator->m_hDevice, + pImageCreateInfo, + allocator->GetAllocationCallbacks(), + pImage); + if (res >= 0) + { + // 2. Bind image with memory. + res = allocator->BindImageMemory(allocation, 0, *pImage, VMA_NULL); + if (res >= 0) + { + return VK_SUCCESS; + } + (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, *pImage, allocator->GetAllocationCallbacks()); + } + return res; +} + VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( - VmaAllocator allocator, - VkImage image, - VmaAllocation allocation) + VmaAllocator VMA_NOT_NULL allocator, + VkImage VMA_NULLABLE_NON_DISPATCHABLE image, + VmaAllocation VMA_NULLABLE allocation) { VMA_ASSERT(allocator); @@ -17801,15 +17404,6 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( VMA_DEBUG_GLOBAL_MUTEX_LOCK -#if VMA_RECORDING_ENABLED - if(allocator->GetRecorder() != VMA_NULL) - { - allocator->GetRecorder()->RecordDestroyImage( - allocator->GetCurrentFrameIndex(), - allocation); - } -#endif - if(image != VK_NULL_HANDLE) { (*allocator->GetVulkanFunctions().vkDestroyImage)(allocator->m_hDevice, image, allocator->GetAllocationCallbacks()); @@ -17822,4 +17416,2167 @@ VMA_CALL_PRE void VMA_CALL_POST vmaDestroyImage( } } -#endif // #ifdef VMA_IMPLEMENTATION +VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateVirtualBlock( + const VmaVirtualBlockCreateInfo* VMA_NOT_NULL pCreateInfo, + VmaVirtualBlock VMA_NULLABLE * VMA_NOT_NULL pVirtualBlock) +{ + VMA_ASSERT(pCreateInfo && pVirtualBlock); + VMA_ASSERT(pCreateInfo->size > 0); + VMA_DEBUG_LOG("vmaCreateVirtualBlock"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + *pVirtualBlock = vma_new(pCreateInfo->pAllocationCallbacks, VmaVirtualBlock_T)(*pCreateInfo); + VkResult res = (*pVirtualBlock)->Init(); + if(res < 0) + { + vma_delete(pCreateInfo->pAllocationCallbacks, *pVirtualBlock); + *pVirtualBlock = VK_NULL_HANDLE; + } + return res; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaDestroyVirtualBlock(VmaVirtualBlock VMA_NULLABLE virtualBlock) +{ + if(virtualBlock != VK_NULL_HANDLE) + { + VMA_DEBUG_LOG("vmaDestroyVirtualBlock"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + VkAllocationCallbacks allocationCallbacks = virtualBlock->m_AllocationCallbacks; // Have to copy the callbacks when destroying. + vma_delete(&allocationCallbacks, virtualBlock); + } +} + +VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaIsVirtualBlockEmpty(VmaVirtualBlock VMA_NOT_NULL virtualBlock) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaIsVirtualBlockEmpty"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + return virtualBlock->IsEmpty() ? VK_TRUE : VK_FALSE; +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualAllocationInfo(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, VmaVirtualAllocationInfo* VMA_NOT_NULL pVirtualAllocInfo) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pVirtualAllocInfo != VMA_NULL); + VMA_DEBUG_LOG("vmaGetVirtualAllocationInfo"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->GetAllocationInfo(allocation, *pVirtualAllocInfo); +} + +VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + const VmaVirtualAllocationCreateInfo* VMA_NOT_NULL pCreateInfo, VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE* VMA_NOT_NULL pAllocation, + VkDeviceSize* VMA_NULLABLE pOffset) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pCreateInfo != VMA_NULL && pAllocation != VMA_NULL); + VMA_DEBUG_LOG("vmaVirtualAllocate"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + return virtualBlock->Allocate(*pCreateInfo, *pAllocation, pOffset); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree(VmaVirtualBlock VMA_NOT_NULL virtualBlock, VmaVirtualAllocation VMA_NULLABLE_NON_DISPATCHABLE allocation) +{ + if(allocation != VK_NULL_HANDLE) + { + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaVirtualFree"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->Free(allocation); + } +} + +VMA_CALL_PRE void VMA_CALL_POST vmaClearVirtualBlock(VmaVirtualBlock VMA_NOT_NULL virtualBlock) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaClearVirtualBlock"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->Clear(); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaSetVirtualAllocationUserData(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaVirtualAllocation VMA_NOT_NULL_NON_DISPATCHABLE allocation, void* VMA_NULLABLE pUserData) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_LOG("vmaSetVirtualAllocationUserData"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->SetAllocationUserData(allocation, pUserData); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaGetVirtualBlockStatistics(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaStatistics* VMA_NOT_NULL pStats) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pStats != VMA_NULL); + VMA_DEBUG_LOG("vmaGetVirtualBlockStatistics"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->GetStatistics(*pStats); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaCalculateVirtualBlockStatistics(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + VmaDetailedStatistics* VMA_NOT_NULL pStats) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && pStats != VMA_NULL); + VMA_DEBUG_LOG("vmaCalculateVirtualBlockStatistics"); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + virtualBlock->CalculateDetailedStatistics(*pStats); +} + +#if VMA_STATS_STRING_ENABLED + +VMA_CALL_PRE void VMA_CALL_POST vmaBuildVirtualBlockStatsString(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE * VMA_NOT_NULL ppStatsString, VkBool32 detailedMap) +{ + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE && ppStatsString != VMA_NULL); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + const VkAllocationCallbacks* allocationCallbacks = virtualBlock->GetAllocationCallbacks(); + VmaStringBuilder sb(allocationCallbacks); + virtualBlock->BuildStatsString(detailedMap != VK_FALSE, sb); + *ppStatsString = VmaCreateStringCopy(allocationCallbacks, sb.GetData(), sb.GetLength()); +} + +VMA_CALL_PRE void VMA_CALL_POST vmaFreeVirtualBlockStatsString(VmaVirtualBlock VMA_NOT_NULL virtualBlock, + char* VMA_NULLABLE pStatsString) +{ + if(pStatsString != VMA_NULL) + { + VMA_ASSERT(virtualBlock != VK_NULL_HANDLE); + VMA_DEBUG_GLOBAL_MUTEX_LOCK; + VmaFreeString(virtualBlock->GetAllocationCallbacks(), pStatsString); + } +} +#endif // VMA_STATS_STRING_ENABLED +#endif // _VMA_PUBLIC_INTERFACE + +#if defined(__GNUC__) && !defined(__clang__) +#pragma GCC diagnostic pop +#elif defined(__clang__) +#pragma clang diagnostic pop +#endif + +#endif // VMA_IMPLEMENTATION + +/** +\page quick_start Quick start + +\section quick_start_project_setup Project setup + +Vulkan Memory Allocator comes in form of a "stb-style" single header file. +You don't need to build it as a separate library project. +You can add this file directly to your project and submit it to code repository next to your other source files. + +"Single header" doesn't mean that everything is contained in C/C++ declarations, +like it tends to be in case of inline functions or C++ templates. +It means that implementation is bundled with interface in a single file and needs to be extracted using preprocessor macro. +If you don't do it properly, you will get linker errors. + +To do it properly: + +-# Include "vk_mem_alloc.h" file in each CPP file where you want to use the library. + This includes declarations of all members of the library. +-# In exactly one CPP file define following macro before this include. + It enables also internal definitions. + +\code +#define VMA_IMPLEMENTATION +#include "vk_mem_alloc.h" +\endcode + +It may be a good idea to create dedicated CPP file just for this purpose. + +This library includes header `<vulkan/vulkan.h>`, which in turn +includes `<windows.h>` on Windows. If you need some specific macros defined +before including these headers (like `WIN32_LEAN_AND_MEAN` or +`WINVER` for Windows, `VK_USE_PLATFORM_WIN32_KHR` for Vulkan), you must define +them before every `#include` of this library. + +This library is written in C++, but has C-compatible interface. +Thus you can include and use vk_mem_alloc.h in C or C++ code, but full +implementation with `VMA_IMPLEMENTATION` macro must be compiled as C++, NOT as C. +Some features of C++14 used. STL containers, RTTI, or C++ exceptions are not used. + + +\section quick_start_initialization Initialization + +At program startup: + +-# Initialize Vulkan to have `VkPhysicalDevice`, `VkDevice` and `VkInstance` object. +-# Fill VmaAllocatorCreateInfo structure and create #VmaAllocator object by + calling vmaCreateAllocator(). + +Only members `physicalDevice`, `device`, `instance` are required. +However, you should inform the library which Vulkan version do you use by setting +VmaAllocatorCreateInfo::vulkanApiVersion and which extensions did you enable +by setting VmaAllocatorCreateInfo::flags (like #VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT for VK_KHR_buffer_device_address). +Otherwise, VMA would use only features of Vulkan 1.0 core with no extensions. + +You may need to configure importing Vulkan functions. There are 3 ways to do this: + +-# **If you link with Vulkan static library** (e.g. "vulkan-1.lib" on Windows): + - You don't need to do anything. + - VMA will use these, as macro `VMA_STATIC_VULKAN_FUNCTIONS` is defined to 1 by default. +-# **If you want VMA to fetch pointers to Vulkan functions dynamically** using `vkGetInstanceProcAddr`, + `vkGetDeviceProcAddr` (this is the option presented in the example below): + - Define `VMA_STATIC_VULKAN_FUNCTIONS` to 0, `VMA_DYNAMIC_VULKAN_FUNCTIONS` to 1. + - Provide pointers to these two functions via VmaVulkanFunctions::vkGetInstanceProcAddr, + VmaVulkanFunctions::vkGetDeviceProcAddr. + - The library will fetch pointers to all other functions it needs internally. +-# **If you fetch pointers to all Vulkan functions in a custom way**, e.g. using some loader like + [Volk](https://github.com/zeux/volk): + - Define `VMA_STATIC_VULKAN_FUNCTIONS` and `VMA_DYNAMIC_VULKAN_FUNCTIONS` to 0. + - Pass these pointers via structure #VmaVulkanFunctions. + +\code +VmaVulkanFunctions vulkanFunctions = {}; +vulkanFunctions.vkGetInstanceProcAddr = &vkGetInstanceProcAddr; +vulkanFunctions.vkGetDeviceProcAddr = &vkGetDeviceProcAddr; + +VmaAllocatorCreateInfo allocatorCreateInfo = {}; +allocatorCreateInfo.vulkanApiVersion = VK_API_VERSION_1_2; +allocatorCreateInfo.physicalDevice = physicalDevice; +allocatorCreateInfo.device = device; +allocatorCreateInfo.instance = instance; +allocatorCreateInfo.pVulkanFunctions = &vulkanFunctions; + +VmaAllocator allocator; +vmaCreateAllocator(&allocatorCreateInfo, &allocator); +\endcode + + +\section quick_start_resource_allocation Resource allocation + +When you want to create a buffer or image: + +-# Fill `VkBufferCreateInfo` / `VkImageCreateInfo` structure. +-# Fill VmaAllocationCreateInfo structure. +-# Call vmaCreateBuffer() / vmaCreateImage() to get `VkBuffer`/`VkImage` with memory + already allocated and bound to it, plus #VmaAllocation objects that represents its underlying memory. + +\code +VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +bufferInfo.size = 65536; +bufferInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + +VmaAllocationCreateInfo allocInfo = {}; +allocInfo.usage = VMA_MEMORY_USAGE_AUTO; + +VkBuffer buffer; +VmaAllocation allocation; +vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); +\endcode + +Don't forget to destroy your objects when no longer needed: + +\code +vmaDestroyBuffer(allocator, buffer, allocation); +vmaDestroyAllocator(allocator); +\endcode + + +\page choosing_memory_type Choosing memory type + +Physical devices in Vulkan support various combinations of memory heaps and +types. Help with choosing correct and optimal memory type for your specific +resource is one of the key features of this library. You can use it by filling +appropriate members of VmaAllocationCreateInfo structure, as described below. +You can also combine multiple methods. + +-# If you just want to find memory type index that meets your requirements, you + can use function: vmaFindMemoryTypeIndexForBufferInfo(), + vmaFindMemoryTypeIndexForImageInfo(), vmaFindMemoryTypeIndex(). +-# If you want to allocate a region of device memory without association with any + specific image or buffer, you can use function vmaAllocateMemory(). Usage of + this function is not recommended and usually not needed. + vmaAllocateMemoryPages() function is also provided for creating multiple allocations at once, + which may be useful for sparse binding. +-# If you already have a buffer or an image created, you want to allocate memory + for it and then you will bind it yourself, you can use function + vmaAllocateMemoryForBuffer(), vmaAllocateMemoryForImage(). + For binding you should use functions: vmaBindBufferMemory(), vmaBindImageMemory() + or their extended versions: vmaBindBufferMemory2(), vmaBindImageMemory2(). +-# **This is the easiest and recommended way to use this library:** + If you want to create a buffer or an image, allocate memory for it and bind + them together, all in one call, you can use function vmaCreateBuffer(), + vmaCreateImage(). + +When using 3. or 4., the library internally queries Vulkan for memory types +supported for that buffer or image (function `vkGetBufferMemoryRequirements()`) +and uses only one of these types. + +If no memory type can be found that meets all the requirements, these functions +return `VK_ERROR_FEATURE_NOT_PRESENT`. + +You can leave VmaAllocationCreateInfo structure completely filled with zeros. +It means no requirements are specified for memory type. +It is valid, although not very useful. + +\section choosing_memory_type_usage Usage + +The easiest way to specify memory requirements is to fill member +VmaAllocationCreateInfo::usage using one of the values of enum #VmaMemoryUsage. +It defines high level, common usage types. +Since version 3 of the library, it is recommended to use #VMA_MEMORY_USAGE_AUTO to let it select best memory type for your resource automatically. + +For example, if you want to create a uniform buffer that will be filled using +transfer only once or infrequently and then used for rendering every frame as a uniform buffer, you can +do it using following code. The buffer will most likely end up in a memory type with +`VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT` to be fast to access by the GPU device. + +\code +VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +bufferInfo.size = 65536; +bufferInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + +VmaAllocationCreateInfo allocInfo = {}; +allocInfo.usage = VMA_MEMORY_USAGE_AUTO; + +VkBuffer buffer; +VmaAllocation allocation; +vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); +\endcode + +If you have a preference for putting the resource in GPU (device) memory or CPU (host) memory +on systems with discrete graphics card that have the memories separate, you can use +#VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE or #VMA_MEMORY_USAGE_AUTO_PREFER_HOST. + +When using `VMA_MEMORY_USAGE_AUTO*` while you want to map the allocated memory, +you also need to specify one of the host access flags: +#VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or #VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT. +This will help the library decide about preferred memory type to ensure it has `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` +so you can map it. + +For example, a staging buffer that will be filled via mapped pointer and then +used as a source of transfer to the buffer decribed previously can be created like this. +It will likely and up in a memory type that is `HOST_VISIBLE` and `HOST_COHERENT` +but not `HOST_CACHED` (meaning uncached, write-combined) and not `DEVICE_LOCAL` (meaning system RAM). + +\code +VkBufferCreateInfo stagingBufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +stagingBufferInfo.size = 65536; +stagingBufferInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + +VmaAllocationCreateInfo stagingAllocInfo = {}; +stagingAllocInfo.usage = VMA_MEMORY_USAGE_AUTO; +stagingAllocInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT; + +VkBuffer stagingBuffer; +VmaAllocation stagingAllocation; +vmaCreateBuffer(allocator, &stagingBufferInfo, &stagingAllocInfo, &stagingBuffer, &stagingAllocation, nullptr); +\endcode + +For more examples of creating different kinds of resources, see chapter \ref usage_patterns. + +Usage values `VMA_MEMORY_USAGE_AUTO*` are legal to use only when the library knows +about the resource being created by having `VkBufferCreateInfo` / `VkImageCreateInfo` passed, +so they work with functions like: vmaCreateBuffer(), vmaCreateImage(), vmaFindMemoryTypeIndexForBufferInfo() etc. +If you allocate raw memory using function vmaAllocateMemory(), you have to use other means of selecting +memory type, as decribed below. + +\note +Old usage values (`VMA_MEMORY_USAGE_GPU_ONLY`, `VMA_MEMORY_USAGE_CPU_ONLY`, +`VMA_MEMORY_USAGE_CPU_TO_GPU`, `VMA_MEMORY_USAGE_GPU_TO_CPU`, `VMA_MEMORY_USAGE_CPU_COPY`) +are still available and work same way as in previous versions of the library +for backward compatibility, but they are not recommended. + +\section choosing_memory_type_required_preferred_flags Required and preferred flags + +You can specify more detailed requirements by filling members +VmaAllocationCreateInfo::requiredFlags and VmaAllocationCreateInfo::preferredFlags +with a combination of bits from enum `VkMemoryPropertyFlags`. For example, +if you want to create a buffer that will be persistently mapped on host (so it +must be `HOST_VISIBLE`) and preferably will also be `HOST_COHERENT` and `HOST_CACHED`, +use following code: + +\code +VmaAllocationCreateInfo allocInfo = {}; +allocInfo.requiredFlags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT; +allocInfo.preferredFlags = VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT; +allocInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT | VMA_ALLOCATION_CREATE_MAPPED_BIT; + +VkBuffer buffer; +VmaAllocation allocation; +vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); +\endcode + +A memory type is chosen that has all the required flags and as many preferred +flags set as possible. + +Value passed in VmaAllocationCreateInfo::usage is internally converted to a set of required and preferred flags, +plus some extra "magic" (heuristics). + +\section choosing_memory_type_explicit_memory_types Explicit memory types + +If you inspected memory types available on the physical device and you have +a preference for memory types that you want to use, you can fill member +VmaAllocationCreateInfo::memoryTypeBits. It is a bit mask, where each bit set +means that a memory type with that index is allowed to be used for the +allocation. Special value 0, just like `UINT32_MAX`, means there are no +restrictions to memory type index. + +Please note that this member is NOT just a memory type index. +Still you can use it to choose just one, specific memory type. +For example, if you already determined that your buffer should be created in +memory type 2, use following code: + +\code +uint32_t memoryTypeIndex = 2; + +VmaAllocationCreateInfo allocInfo = {}; +allocInfo.memoryTypeBits = 1u << memoryTypeIndex; + +VkBuffer buffer; +VmaAllocation allocation; +vmaCreateBuffer(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, nullptr); +\endcode + + +\section choosing_memory_type_custom_memory_pools Custom memory pools + +If you allocate from custom memory pool, all the ways of specifying memory +requirements described above are not applicable and the aforementioned members +of VmaAllocationCreateInfo structure are ignored. Memory type is selected +explicitly when creating the pool and then used to make all the allocations from +that pool. For further details, see \ref custom_memory_pools. + +\section choosing_memory_type_dedicated_allocations Dedicated allocations + +Memory for allocations is reserved out of larger block of `VkDeviceMemory` +allocated from Vulkan internally. That is the main feature of this whole library. +You can still request a separate memory block to be created for an allocation, +just like you would do in a trivial solution without using any allocator. +In that case, a buffer or image is always bound to that memory at offset 0. +This is called a "dedicated allocation". +You can explicitly request it by using flag #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. +The library can also internally decide to use dedicated allocation in some cases, e.g.: + +- When the size of the allocation is large. +- When [VK_KHR_dedicated_allocation](@ref vk_khr_dedicated_allocation) extension is enabled + and it reports that dedicated allocation is required or recommended for the resource. +- When allocation of next big memory block fails due to not enough device memory, + but allocation with the exact requested size succeeds. + + +\page memory_mapping Memory mapping + +To "map memory" in Vulkan means to obtain a CPU pointer to `VkDeviceMemory`, +to be able to read from it or write to it in CPU code. +Mapping is possible only of memory allocated from a memory type that has +`VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` flag. +Functions `vkMapMemory()`, `vkUnmapMemory()` are designed for this purpose. +You can use them directly with memory allocated by this library, +but it is not recommended because of following issue: +Mapping the same `VkDeviceMemory` block multiple times is illegal - only one mapping at a time is allowed. +This includes mapping disjoint regions. Mapping is not reference-counted internally by Vulkan. +Because of this, Vulkan Memory Allocator provides following facilities: + +\note If you want to be able to map an allocation, you need to specify one of the flags +#VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or #VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT +in VmaAllocationCreateInfo::flags. These flags are required for an allocation to be mappable +when using #VMA_MEMORY_USAGE_AUTO or other `VMA_MEMORY_USAGE_AUTO*` enum values. +For other usage values they are ignored and every such allocation made in `HOST_VISIBLE` memory type is mappable, +but they can still be used for consistency. + +\section memory_mapping_mapping_functions Mapping functions + +The library provides following functions for mapping of a specific #VmaAllocation: vmaMapMemory(), vmaUnmapMemory(). +They are safer and more convenient to use than standard Vulkan functions. +You can map an allocation multiple times simultaneously - mapping is reference-counted internally. +You can also map different allocations simultaneously regardless of whether they use the same `VkDeviceMemory` block. +The way it is implemented is that the library always maps entire memory block, not just region of the allocation. +For further details, see description of vmaMapMemory() function. +Example: + +\code +// Having these objects initialized: +struct ConstantBuffer +{ + ... +}; +ConstantBuffer constantBufferData = ... + +VmaAllocator allocator = ... +VkBuffer constantBuffer = ... +VmaAllocation constantBufferAllocation = ... + +// You can map and fill your buffer using following code: + +void* mappedData; +vmaMapMemory(allocator, constantBufferAllocation, &mappedData); +memcpy(mappedData, &constantBufferData, sizeof(constantBufferData)); +vmaUnmapMemory(allocator, constantBufferAllocation); +\endcode + +When mapping, you may see a warning from Vulkan validation layer similar to this one: + +<i>Mapping an image with layout VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL can result in undefined behavior if this memory is used by the device. Only GENERAL or PREINITIALIZED should be used.</i> + +It happens because the library maps entire `VkDeviceMemory` block, where different +types of images and buffers may end up together, especially on GPUs with unified memory like Intel. +You can safely ignore it if you are sure you access only memory of the intended +object that you wanted to map. + + +\section memory_mapping_persistently_mapped_memory Persistently mapped memory + +Kepping your memory persistently mapped is generally OK in Vulkan. +You don't need to unmap it before using its data on the GPU. +The library provides a special feature designed for that: +Allocations made with #VMA_ALLOCATION_CREATE_MAPPED_BIT flag set in +VmaAllocationCreateInfo::flags stay mapped all the time, +so you can just access CPU pointer to it any time +without a need to call any "map" or "unmap" function. +Example: + +\code +VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +bufCreateInfo.size = sizeof(ConstantBuffer); +bufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; +allocCreateInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | + VMA_ALLOCATION_CREATE_MAPPED_BIT; + +VkBuffer buf; +VmaAllocation alloc; +VmaAllocationInfo allocInfo; +vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); + +// Buffer is already mapped. You can access its memory. +memcpy(allocInfo.pMappedData, &constantBufferData, sizeof(constantBufferData)); +\endcode + +\note #VMA_ALLOCATION_CREATE_MAPPED_BIT by itself doesn't guarantee that the allocation will end up +in a mappable memory type. +For this, you need to also specify #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT or +#VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT. +#VMA_ALLOCATION_CREATE_MAPPED_BIT only guarantees that if the memory is `HOST_VISIBLE`, the allocation will be mapped on creation. +For an example of how to make use of this fact, see section \ref usage_patterns_advanced_data_uploading. + +\section memory_mapping_cache_control Cache flush and invalidate + +Memory in Vulkan doesn't need to be unmapped before using it on GPU, +but unless a memory types has `VK_MEMORY_PROPERTY_HOST_COHERENT_BIT` flag set, +you need to manually **invalidate** cache before reading of mapped pointer +and **flush** cache after writing to mapped pointer. +Map/unmap operations don't do that automatically. +Vulkan provides following functions for this purpose `vkFlushMappedMemoryRanges()`, +`vkInvalidateMappedMemoryRanges()`, but this library provides more convenient +functions that refer to given allocation object: vmaFlushAllocation(), +vmaInvalidateAllocation(), +or multiple objects at once: vmaFlushAllocations(), vmaInvalidateAllocations(). + +Regions of memory specified for flush/invalidate must be aligned to +`VkPhysicalDeviceLimits::nonCoherentAtomSize`. This is automatically ensured by the library. +In any memory type that is `HOST_VISIBLE` but not `HOST_COHERENT`, all allocations +within blocks are aligned to this value, so their offsets are always multiply of +`nonCoherentAtomSize` and two different allocations never share same "line" of this size. + +Also, Windows drivers from all 3 PC GPU vendors (AMD, Intel, NVIDIA) +currently provide `HOST_COHERENT` flag on all memory types that are +`HOST_VISIBLE`, so on PC you may not need to bother. + + +\page staying_within_budget Staying within budget + +When developing a graphics-intensive game or program, it is important to avoid allocating +more GPU memory than it is physically available. When the memory is over-committed, +various bad things can happen, depending on the specific GPU, graphics driver, and +operating system: + +- It may just work without any problems. +- The application may slow down because some memory blocks are moved to system RAM + and the GPU has to access them through PCI Express bus. +- A new allocation may take very long time to complete, even few seconds, and possibly + freeze entire system. +- The new allocation may fail with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. +- It may even result in GPU crash (TDR), observed as `VK_ERROR_DEVICE_LOST` + returned somewhere later. + +\section staying_within_budget_querying_for_budget Querying for budget + +To query for current memory usage and available budget, use function vmaGetHeapBudgets(). +Returned structure #VmaBudget contains quantities expressed in bytes, per Vulkan memory heap. + +Please note that this function returns different information and works faster than +vmaCalculateStatistics(). vmaGetHeapBudgets() can be called every frame or even before every +allocation, while vmaCalculateStatistics() is intended to be used rarely, +only to obtain statistical information, e.g. for debugging purposes. + +It is recommended to use <b>VK_EXT_memory_budget</b> device extension to obtain information +about the budget from Vulkan device. VMA is able to use this extension automatically. +When not enabled, the allocator behaves same way, but then it estimates current usage +and available budget based on its internal information and Vulkan memory heap sizes, +which may be less precise. In order to use this extension: + +1. Make sure extensions VK_EXT_memory_budget and VK_KHR_get_physical_device_properties2 + required by it are available and enable them. Please note that the first is a device + extension and the second is instance extension! +2. Use flag #VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT when creating #VmaAllocator object. +3. Make sure to call vmaSetCurrentFrameIndex() every frame. Budget is queried from + Vulkan inside of it to avoid overhead of querying it with every allocation. + +\section staying_within_budget_controlling_memory_usage Controlling memory usage + +There are many ways in which you can try to stay within the budget. + +First, when making new allocation requires allocating a new memory block, the library +tries not to exceed the budget automatically. If a block with default recommended size +(e.g. 256 MB) would go over budget, a smaller block is allocated, possibly even +dedicated memory for just this resource. + +If the size of the requested resource plus current memory usage is more than the +budget, by default the library still tries to create it, leaving it to the Vulkan +implementation whether the allocation succeeds or fails. You can change this behavior +by using #VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT flag. With it, the allocation is +not made if it would exceed the budget or if the budget is already exceeded. +VMA then tries to make the allocation from the next eligible Vulkan memory type. +The all of them fail, the call then fails with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. +Example usage pattern may be to pass the #VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT flag +when creating resources that are not essential for the application (e.g. the texture +of a specific object) and not to pass it when creating critically important resources +(e.g. render targets). + +On AMD graphics cards there is a custom vendor extension available: <b>VK_AMD_memory_overallocation_behavior</b> +that allows to control the behavior of the Vulkan implementation in out-of-memory cases - +whether it should fail with an error code or still allow the allocation. +Usage of this extension involves only passing extra structure on Vulkan device creation, +so it is out of scope of this library. + +Finally, you can also use #VMA_ALLOCATION_CREATE_NEVER_ALLOCATE_BIT flag to make sure +a new allocation is created only when it fits inside one of the existing memory blocks. +If it would require to allocate a new block, if fails instead with `VK_ERROR_OUT_OF_DEVICE_MEMORY`. +This also ensures that the function call is very fast because it never goes to Vulkan +to obtain a new block. + +\note Creating \ref custom_memory_pools with VmaPoolCreateInfo::minBlockCount +set to more than 0 will currently try to allocate memory blocks without checking whether they +fit within budget. + + +\page resource_aliasing Resource aliasing (overlap) + +New explicit graphics APIs (Vulkan and Direct3D 12), thanks to manual memory +management, give an opportunity to alias (overlap) multiple resources in the +same region of memory - a feature not available in the old APIs (Direct3D 11, OpenGL). +It can be useful to save video memory, but it must be used with caution. + +For example, if you know the flow of your whole render frame in advance, you +are going to use some intermediate textures or buffers only during a small range of render passes, +and you know these ranges don't overlap in time, you can bind these resources to +the same place in memory, even if they have completely different parameters (width, height, format etc.). + + + +Such scenario is possible using VMA, but you need to create your images manually. +Then you need to calculate parameters of an allocation to be made using formula: + +- allocation size = max(size of each image) +- allocation alignment = max(alignment of each image) +- allocation memoryTypeBits = bitwise AND(memoryTypeBits of each image) + +Following example shows two different images bound to the same place in memory, +allocated to fit largest of them. + +\code +// A 512x512 texture to be sampled. +VkImageCreateInfo img1CreateInfo = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO }; +img1CreateInfo.imageType = VK_IMAGE_TYPE_2D; +img1CreateInfo.extent.width = 512; +img1CreateInfo.extent.height = 512; +img1CreateInfo.extent.depth = 1; +img1CreateInfo.mipLevels = 10; +img1CreateInfo.arrayLayers = 1; +img1CreateInfo.format = VK_FORMAT_R8G8B8A8_SRGB; +img1CreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL; +img1CreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; +img1CreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT; +img1CreateInfo.samples = VK_SAMPLE_COUNT_1_BIT; + +// A full screen texture to be used as color attachment. +VkImageCreateInfo img2CreateInfo = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO }; +img2CreateInfo.imageType = VK_IMAGE_TYPE_2D; +img2CreateInfo.extent.width = 1920; +img2CreateInfo.extent.height = 1080; +img2CreateInfo.extent.depth = 1; +img2CreateInfo.mipLevels = 1; +img2CreateInfo.arrayLayers = 1; +img2CreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM; +img2CreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL; +img2CreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; +img2CreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; +img2CreateInfo.samples = VK_SAMPLE_COUNT_1_BIT; + +VkImage img1; +res = vkCreateImage(device, &img1CreateInfo, nullptr, &img1); +VkImage img2; +res = vkCreateImage(device, &img2CreateInfo, nullptr, &img2); + +VkMemoryRequirements img1MemReq; +vkGetImageMemoryRequirements(device, img1, &img1MemReq); +VkMemoryRequirements img2MemReq; +vkGetImageMemoryRequirements(device, img2, &img2MemReq); + +VkMemoryRequirements finalMemReq = {}; +finalMemReq.size = std::max(img1MemReq.size, img2MemReq.size); +finalMemReq.alignment = std::max(img1MemReq.alignment, img2MemReq.alignment); +finalMemReq.memoryTypeBits = img1MemReq.memoryTypeBits & img2MemReq.memoryTypeBits; +// Validate if(finalMemReq.memoryTypeBits != 0) + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.preferredFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT; + +VmaAllocation alloc; +res = vmaAllocateMemory(allocator, &finalMemReq, &allocCreateInfo, &alloc, nullptr); + +res = vmaBindImageMemory(allocator, alloc, img1); +res = vmaBindImageMemory(allocator, alloc, img2); + +// You can use img1, img2 here, but not at the same time! + +vmaFreeMemory(allocator, alloc); +vkDestroyImage(allocator, img2, nullptr); +vkDestroyImage(allocator, img1, nullptr); +\endcode + +Remember that using resources that alias in memory requires proper synchronization. +You need to issue a memory barrier to make sure commands that use `img1` and `img2` +don't overlap on GPU timeline. +You also need to treat a resource after aliasing as uninitialized - containing garbage data. +For example, if you use `img1` and then want to use `img2`, you need to issue +an image memory barrier for `img2` with `oldLayout` = `VK_IMAGE_LAYOUT_UNDEFINED`. + +Additional considerations: + +- Vulkan also allows to interpret contents of memory between aliasing resources consistently in some cases. +See chapter 11.8. "Memory Aliasing" of Vulkan specification or `VK_IMAGE_CREATE_ALIAS_BIT` flag. +- You can create more complex layout where different images and buffers are bound +at different offsets inside one large allocation. For example, one can imagine +a big texture used in some render passes, aliasing with a set of many small buffers +used between in some further passes. To bind a resource at non-zero offset in an allocation, +use vmaBindBufferMemory2() / vmaBindImageMemory2(). +- Before allocating memory for the resources you want to alias, check `memoryTypeBits` +returned in memory requirements of each resource to make sure the bits overlap. +Some GPUs may expose multiple memory types suitable e.g. only for buffers or +images with `COLOR_ATTACHMENT` usage, so the sets of memory types supported by your +resources may be disjoint. Aliasing them is not possible in that case. + + +\page custom_memory_pools Custom memory pools + +A memory pool contains a number of `VkDeviceMemory` blocks. +The library automatically creates and manages default pool for each memory type available on the device. +Default memory pool automatically grows in size. +Size of allocated blocks is also variable and managed automatically. + +You can create custom pool and allocate memory out of it. +It can be useful if you want to: + +- Keep certain kind of allocations separate from others. +- Enforce particular, fixed size of Vulkan memory blocks. +- Limit maximum amount of Vulkan memory allocated for that pool. +- Reserve minimum or fixed amount of Vulkan memory always preallocated for that pool. +- Use extra parameters for a set of your allocations that are available in #VmaPoolCreateInfo but not in + #VmaAllocationCreateInfo - e.g., custom minimum alignment, custom `pNext` chain. +- Perform defragmentation on a specific subset of your allocations. + +To use custom memory pools: + +-# Fill VmaPoolCreateInfo structure. +-# Call vmaCreatePool() to obtain #VmaPool handle. +-# When making an allocation, set VmaAllocationCreateInfo::pool to this handle. + You don't need to specify any other parameters of this structure, like `usage`. + +Example: + +\code +// Find memoryTypeIndex for the pool. +VkBufferCreateInfo sampleBufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +sampleBufCreateInfo.size = 0x10000; // Doesn't matter. +sampleBufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + +VmaAllocationCreateInfo sampleAllocCreateInfo = {}; +sampleAllocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; + +uint32_t memTypeIndex; +VkResult res = vmaFindMemoryTypeIndexForBufferInfo(allocator, + &sampleBufCreateInfo, &sampleAllocCreateInfo, &memTypeIndex); +// Check res... + +// Create a pool that can have at most 2 blocks, 128 MiB each. +VmaPoolCreateInfo poolCreateInfo = {}; +poolCreateInfo.memoryTypeIndex = memTypeIndex; +poolCreateInfo.blockSize = 128ull * 1024 * 1024; +poolCreateInfo.maxBlockCount = 2; + +VmaPool pool; +res = vmaCreatePool(allocator, &poolCreateInfo, &pool); +// Check res... + +// Allocate a buffer out of it. +VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +bufCreateInfo.size = 1024; +bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.pool = pool; + +VkBuffer buf; +VmaAllocation alloc; +res = vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, nullptr); +// Check res... +\endcode + +You have to free all allocations made from this pool before destroying it. + +\code +vmaDestroyBuffer(allocator, buf, alloc); +vmaDestroyPool(allocator, pool); +\endcode + +New versions of this library support creating dedicated allocations in custom pools. +It is supported only when VmaPoolCreateInfo::blockSize = 0. +To use this feature, set VmaAllocationCreateInfo::pool to the pointer to your custom pool and +VmaAllocationCreateInfo::flags to #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. + +\note Excessive use of custom pools is a common mistake when using this library. +Custom pools may be useful for special purposes - when you want to +keep certain type of resources separate e.g. to reserve minimum amount of memory +for them or limit maximum amount of memory they can occupy. For most +resources this is not needed and so it is not recommended to create #VmaPool +objects and allocations out of them. Allocating from the default pool is sufficient. + + +\section custom_memory_pools_MemTypeIndex Choosing memory type index + +When creating a pool, you must explicitly specify memory type index. +To find the one suitable for your buffers or images, you can use helper functions +vmaFindMemoryTypeIndexForBufferInfo(), vmaFindMemoryTypeIndexForImageInfo(). +You need to provide structures with example parameters of buffers or images +that you are going to create in that pool. + +\code +VkBufferCreateInfo exampleBufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +exampleBufCreateInfo.size = 1024; // Doesn't matter +exampleBufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; + +uint32_t memTypeIndex; +vmaFindMemoryTypeIndexForBufferInfo(allocator, &exampleBufCreateInfo, &allocCreateInfo, &memTypeIndex); + +VmaPoolCreateInfo poolCreateInfo = {}; +poolCreateInfo.memoryTypeIndex = memTypeIndex; +// ... +\endcode + +When creating buffers/images allocated in that pool, provide following parameters: + +- `VkBufferCreateInfo`: Prefer to pass same parameters as above. + Otherwise you risk creating resources in a memory type that is not suitable for them, which may result in undefined behavior. + Using different `VK_BUFFER_USAGE_` flags may work, but you shouldn't create images in a pool intended for buffers + or the other way around. +- VmaAllocationCreateInfo: You don't need to pass same parameters. Fill only `pool` member. + Other members are ignored anyway. + +\section linear_algorithm Linear allocation algorithm + +Each Vulkan memory block managed by this library has accompanying metadata that +keeps track of used and unused regions. By default, the metadata structure and +algorithm tries to find best place for new allocations among free regions to +optimize memory usage. This way you can allocate and free objects in any order. + + + +Sometimes there is a need to use simpler, linear allocation algorithm. You can +create custom pool that uses such algorithm by adding flag +#VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT to VmaPoolCreateInfo::flags while creating +#VmaPool object. Then an alternative metadata management is used. It always +creates new allocations after last one and doesn't reuse free regions after +allocations freed in the middle. It results in better allocation performance and +less memory consumed by metadata. + + + +With this one flag, you can create a custom pool that can be used in many ways: +free-at-once, stack, double stack, and ring buffer. See below for details. +You don't need to specify explicitly which of these options you are going to use - it is detected automatically. + +\subsection linear_algorithm_free_at_once Free-at-once + +In a pool that uses linear algorithm, you still need to free all the allocations +individually, e.g. by using vmaFreeMemory() or vmaDestroyBuffer(). You can free +them in any order. New allocations are always made after last one - free space +in the middle is not reused. However, when you release all the allocation and +the pool becomes empty, allocation starts from the beginning again. This way you +can use linear algorithm to speed up creation of allocations that you are going +to release all at once. + + + +This mode is also available for pools created with VmaPoolCreateInfo::maxBlockCount +value that allows multiple memory blocks. + +\subsection linear_algorithm_stack Stack + +When you free an allocation that was created last, its space can be reused. +Thanks to this, if you always release allocations in the order opposite to their +creation (LIFO - Last In First Out), you can achieve behavior of a stack. + + + +This mode is also available for pools created with VmaPoolCreateInfo::maxBlockCount +value that allows multiple memory blocks. + +\subsection linear_algorithm_double_stack Double stack + +The space reserved by a custom pool with linear algorithm may be used by two +stacks: + +- First, default one, growing up from offset 0. +- Second, "upper" one, growing down from the end towards lower offsets. + +To make allocation from the upper stack, add flag #VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT +to VmaAllocationCreateInfo::flags. + + + +Double stack is available only in pools with one memory block - +VmaPoolCreateInfo::maxBlockCount must be 1. Otherwise behavior is undefined. + +When the two stacks' ends meet so there is not enough space between them for a +new allocation, such allocation fails with usual +`VK_ERROR_OUT_OF_DEVICE_MEMORY` error. + +\subsection linear_algorithm_ring_buffer Ring buffer + +When you free some allocations from the beginning and there is not enough free space +for a new one at the end of a pool, allocator's "cursor" wraps around to the +beginning and starts allocation there. Thanks to this, if you always release +allocations in the same order as you created them (FIFO - First In First Out), +you can achieve behavior of a ring buffer / queue. + + + +Ring buffer is available only in pools with one memory block - +VmaPoolCreateInfo::maxBlockCount must be 1. Otherwise behavior is undefined. + +\note \ref defragmentation is not supported in custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT. + + +\page defragmentation Defragmentation + +Interleaved allocations and deallocations of many objects of varying size can +cause fragmentation over time, which can lead to a situation where the library is unable +to find a continuous range of free memory for a new allocation despite there is +enough free space, just scattered across many small free ranges between existing +allocations. + +To mitigate this problem, you can use defragmentation feature. +It doesn't happen automatically though and needs your cooperation, +because VMA is a low level library that only allocates memory. +It cannot recreate buffers and images in a new place as it doesn't remember the contents of `VkBufferCreateInfo` / `VkImageCreateInfo` structures. +It cannot copy their contents as it doesn't record any commands to a command buffer. + +Example: + +\code +VmaDefragmentationInfo defragInfo = {}; +defragInfo.pool = myPool; +defragInfo.flags = VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT; + +VmaDefragmentationContext defragCtx; +VkResult res = vmaBeginDefragmentation(allocator, &defragInfo, &defragCtx); +// Check res... + +for(;;) +{ + VmaDefragmentationPassMoveInfo pass; + res = vmaBeginDefragmentationPass(allocator, defragCtx, &pass); + if(res == VK_SUCCESS) + break; + else if(res != VK_INCOMPLETE) + // Handle error... + + for(uint32_t i = 0; i < pass.moveCount; ++i) + { + // Inspect pass.pMoves[i].srcAllocation, identify what buffer/image it represents. + VmaAllocationInfo allocInfo; + vmaGetAllocationInfo(allocator, pMoves[i].srcAllocation, &allocInfo); + MyEngineResourceData* resData = (MyEngineResourceData*)allocInfo.pUserData; + + // Recreate and bind this buffer/image at: pass.pMoves[i].dstMemory, pass.pMoves[i].dstOffset. + VkImageCreateInfo imgCreateInfo = ... + VkImage newImg; + res = vkCreateImage(device, &imgCreateInfo, nullptr, &newImg); + // Check res... + res = vmaBindImageMemory(allocator, pMoves[i].dstTmpAllocation, newImg); + // Check res... + + // Issue a vkCmdCopyBuffer/vkCmdCopyImage to copy its content to the new place. + vkCmdCopyImage(cmdBuf, resData->img, ..., newImg, ...); + } + + // Make sure the copy commands finished executing. + vkWaitForFences(...); + + // Destroy old buffers/images bound with pass.pMoves[i].srcAllocation. + for(uint32_t i = 0; i < pass.moveCount; ++i) + { + // ... + vkDestroyImage(device, resData->img, nullptr); + } + + // Update appropriate descriptors to point to the new places... + + res = vmaEndDefragmentationPass(allocator, defragCtx, &pass); + if(res == VK_SUCCESS) + break; + else if(res != VK_INCOMPLETE) + // Handle error... +} + +vmaEndDefragmentation(allocator, defragCtx, nullptr); +\endcode + +Although functions like vmaCreateBuffer(), vmaCreateImage(), vmaDestroyBuffer(), vmaDestroyImage() +create/destroy an allocation and a buffer/image at once, these are just a shortcut for +creating the resource, allocating memory, and binding them together. +Defragmentation works on memory allocations only. You must handle the rest manually. +Defragmentation is an iterative process that should repreat "passes" as long as related functions +return `VK_INCOMPLETE` not `VK_SUCCESS`. +In each pass: + +1. vmaBeginDefragmentationPass() function call: + - Calculates and returns the list of allocations to be moved in this pass. + Note this can be a time-consuming process. + - Reserves destination memory for them by creating temporary destination allocations + that you can query for their `VkDeviceMemory` + offset using vmaGetAllocationInfo(). +2. Inside the pass, **you should**: + - Inspect the returned list of allocations to be moved. + - Create new buffers/images and bind them at the returned destination temporary allocations. + - Copy data from source to destination resources if necessary. + - Destroy the source buffers/images, but NOT their allocations. +3. vmaEndDefragmentationPass() function call: + - Frees the source memory reserved for the allocations that are moved. + - Modifies source #VmaAllocation objects that are moved to point to the destination reserved memory. + - Frees `VkDeviceMemory` blocks that became empty. + +Unlike in previous iterations of the defragmentation API, there is no list of "movable" allocations passed as a parameter. +Defragmentation algorithm tries to move all suitable allocations. +You can, however, refuse to move some of them inside a defragmentation pass, by setting +`pass.pMoves[i].operation` to #VMA_DEFRAGMENTATION_MOVE_OPERATION_IGNORE. +This is not recommended and may result in suboptimal packing of the allocations after defragmentation. +If you cannot ensure any allocation can be moved, it is better to keep movable allocations separate in a custom pool. + +Inside a pass, for each allocation that should be moved: + +- You should copy its data from the source to the destination place by calling e.g. `vkCmdCopyBuffer()`, `vkCmdCopyImage()`. + - You need to make sure these commands finished executing before destroying the source buffers/images and before calling vmaEndDefragmentationPass(). +- If a resource doesn't contain any meaningful data, e.g. it is a transient color attachment image to be cleared, + filled, and used temporarily in each rendering frame, you can just recreate this image + without copying its data. +- If the resource is in `HOST_VISIBLE` and `HOST_CACHED` memory, you can copy its data on the CPU + using `memcpy()`. +- If you cannot move the allocation, you can set `pass.pMoves[i].operation` to #VMA_DEFRAGMENTATION_MOVE_OPERATION_IGNORE. + This will cancel the move. + - vmaEndDefragmentationPass() will then free the destination memory + not the source memory of the allocation, leaving it unchanged. +- If you decide the allocation is unimportant and can be destroyed instead of moved (e.g. it wasn't used for long time), + you can set `pass.pMoves[i].operation` to #VMA_DEFRAGMENTATION_MOVE_OPERATION_DESTROY. + - vmaEndDefragmentationPass() will then free both source and destination memory, and will destroy the source #VmaAllocation object. + +You can defragment a specific custom pool by setting VmaDefragmentationInfo::pool +(like in the example above) or all the default pools by setting this member to null. + +Defragmentation is always performed in each pool separately. +Allocations are never moved between different Vulkan memory types. +The size of the destination memory reserved for a moved allocation is the same as the original one. +Alignment of an allocation as it was determined using `vkGetBufferMemoryRequirements()` etc. is also respected after defragmentation. +Buffers/images should be recreated with the same `VkBufferCreateInfo` / `VkImageCreateInfo` parameters as the original ones. + +You can perform the defragmentation incrementally to limit the number of allocations and bytes to be moved +in each pass, e.g. to call it in sync with render frames and not to experience too big hitches. +See members: VmaDefragmentationInfo::maxBytesPerPass, VmaDefragmentationInfo::maxAllocationsPerPass. + +It is also safe to perform the defragmentation asynchronously to render frames and other Vulkan and VMA +usage, possibly from multiple threads, with the exception that allocations +returned in VmaDefragmentationPassMoveInfo::pMoves shouldn't be destroyed until the defragmentation pass is ended. + +<b>Mapping</b> is preserved on allocations that are moved during defragmentation. +Whether through #VMA_ALLOCATION_CREATE_MAPPED_BIT or vmaMapMemory(), the allocations +are mapped at their new place. Of course, pointer to the mapped data changes, so it needs to be queried +using VmaAllocationInfo::pMappedData. + +\note Defragmentation is not supported in custom pools created with #VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT. + + +\page statistics Statistics + +This library contains several functions that return information about its internal state, +especially the amount of memory allocated from Vulkan. + +\section statistics_numeric_statistics Numeric statistics + +If you need to obtain basic statistics about memory usage per heap, together with current budget, +you can call function vmaGetHeapBudgets() and inspect structure #VmaBudget. +This is useful to keep track of memory usage and stay withing budget +(see also \ref staying_within_budget). +Example: + +\code +uint32_t heapIndex = ... + +VmaBudget budgets[VK_MAX_MEMORY_HEAPS]; +vmaGetHeapBudgets(allocator, budgets); + +printf("My heap currently has %u allocations taking %llu B,\n", + budgets[heapIndex].statistics.allocationCount, + budgets[heapIndex].statistics.allocationBytes); +printf("allocated out of %u Vulkan device memory blocks taking %llu B,\n", + budgets[heapIndex].statistics.blockCount, + budgets[heapIndex].statistics.blockBytes); +printf("Vulkan reports total usage %llu B with budget %llu B.\n", + budgets[heapIndex].usage, + budgets[heapIndex].budget); +\endcode + +You can query for more detailed statistics per memory heap, type, and totals, +including minimum and maximum allocation size and unused range size, +by calling function vmaCalculateStatistics() and inspecting structure #VmaTotalStatistics. +This function is slower though, as it has to traverse all the internal data structures, +so it should be used only for debugging purposes. + +You can query for statistics of a custom pool using function vmaGetPoolStatistics() +or vmaCalculatePoolStatistics(). + +You can query for information about a specific allocation using function vmaGetAllocationInfo(). +It fill structure #VmaAllocationInfo. + +\section statistics_json_dump JSON dump + +You can dump internal state of the allocator to a string in JSON format using function vmaBuildStatsString(). +The result is guaranteed to be correct JSON. +It uses ANSI encoding. +Any strings provided by user (see [Allocation names](@ref allocation_names)) +are copied as-is and properly escaped for JSON, so if they use UTF-8, ISO-8859-2 or any other encoding, +this JSON string can be treated as using this encoding. +It must be freed using function vmaFreeStatsString(). + +The format of this JSON string is not part of official documentation of the library, +but it will not change in backward-incompatible way without increasing library major version number +and appropriate mention in changelog. + +The JSON string contains all the data that can be obtained using vmaCalculateStatistics(). +It can also contain detailed map of allocated memory blocks and their regions - +free and occupied by allocations. +This allows e.g. to visualize the memory or assess fragmentation. + + +\page allocation_annotation Allocation names and user data + +\section allocation_user_data Allocation user data + +You can annotate allocations with your own information, e.g. for debugging purposes. +To do that, fill VmaAllocationCreateInfo::pUserData field when creating +an allocation. It is an opaque `void*` pointer. You can use it e.g. as a pointer, +some handle, index, key, ordinal number or any other value that would associate +the allocation with your custom metadata. +It it useful to identify appropriate data structures in your engine given #VmaAllocation, +e.g. when doing \ref defragmentation. + +\code +VkBufferCreateInfo bufCreateInfo = ... + +MyBufferMetadata* pMetadata = CreateBufferMetadata(); + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; +allocCreateInfo.pUserData = pMetadata; + +VkBuffer buffer; +VmaAllocation allocation; +vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buffer, &allocation, nullptr); +\endcode + +The pointer may be later retrieved as VmaAllocationInfo::pUserData: + +\code +VmaAllocationInfo allocInfo; +vmaGetAllocationInfo(allocator, allocation, &allocInfo); +MyBufferMetadata* pMetadata = (MyBufferMetadata*)allocInfo.pUserData; +\endcode + +It can also be changed using function vmaSetAllocationUserData(). + +Values of (non-zero) allocations' `pUserData` are printed in JSON report created by +vmaBuildStatsString() in hexadecimal form. + +\section allocation_names Allocation names + +An allocation can also carry a null-terminated string, giving a name to the allocation. +To set it, call vmaSetAllocationName(). +The library creates internal copy of the string, so the pointer you pass doesn't need +to be valid for whole lifetime of the allocation. You can free it after the call. + +\code +std::string imageName = "Texture: "; +imageName += fileName; +vmaSetAllocationName(allocator, allocation, imageName.c_str()); +\endcode + +The string can be later retrieved by inspecting VmaAllocationInfo::pName. +It is also printed in JSON report created by vmaBuildStatsString(). + +\note Setting string name to VMA allocation doesn't automatically set it to the Vulkan buffer or image created with it. +You must do it manually using an extension like VK_EXT_debug_utils, which is independent of this library. + + +\page virtual_allocator Virtual allocator + +As an extra feature, the core allocation algorithm of the library is exposed through a simple and convenient API of "virtual allocator". +It doesn't allocate any real GPU memory. It just keeps track of used and free regions of a "virtual block". +You can use it to allocate your own memory or other objects, even completely unrelated to Vulkan. +A common use case is sub-allocation of pieces of one large GPU buffer. + +\section virtual_allocator_creating_virtual_block Creating virtual block + +To use this functionality, there is no main "allocator" object. +You don't need to have #VmaAllocator object created. +All you need to do is to create a separate #VmaVirtualBlock object for each block of memory you want to be managed by the allocator: + +-# Fill in #VmaVirtualBlockCreateInfo structure. +-# Call vmaCreateVirtualBlock(). Get new #VmaVirtualBlock object. + +Example: + +\code +VmaVirtualBlockCreateInfo blockCreateInfo = {}; +blockCreateInfo.size = 1048576; // 1 MB + +VmaVirtualBlock block; +VkResult res = vmaCreateVirtualBlock(&blockCreateInfo, &block); +\endcode + +\section virtual_allocator_making_virtual_allocations Making virtual allocations + +#VmaVirtualBlock object contains internal data structure that keeps track of free and occupied regions +using the same code as the main Vulkan memory allocator. +Similarly to #VmaAllocation for standard GPU allocations, there is #VmaVirtualAllocation type +that represents an opaque handle to an allocation withing the virtual block. + +In order to make such allocation: + +-# Fill in #VmaVirtualAllocationCreateInfo structure. +-# Call vmaVirtualAllocate(). Get new #VmaVirtualAllocation object that represents the allocation. + You can also receive `VkDeviceSize offset` that was assigned to the allocation. + +Example: + +\code +VmaVirtualAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.size = 4096; // 4 KB + +VmaVirtualAllocation alloc; +VkDeviceSize offset; +res = vmaVirtualAllocate(block, &allocCreateInfo, &alloc, &offset); +if(res == VK_SUCCESS) +{ + // Use the 4 KB of your memory starting at offset. +} +else +{ + // Allocation failed - no space for it could be found. Handle this error! +} +\endcode + +\section virtual_allocator_deallocation Deallocation + +When no longer needed, an allocation can be freed by calling vmaVirtualFree(). +You can only pass to this function an allocation that was previously returned by vmaVirtualAllocate() +called for the same #VmaVirtualBlock. + +When whole block is no longer needed, the block object can be released by calling vmaDestroyVirtualBlock(). +All allocations must be freed before the block is destroyed, which is checked internally by an assert. +However, if you don't want to call vmaVirtualFree() for each allocation, you can use vmaClearVirtualBlock() to free them all at once - +a feature not available in normal Vulkan memory allocator. Example: + +\code +vmaVirtualFree(block, alloc); +vmaDestroyVirtualBlock(block); +\endcode + +\section virtual_allocator_allocation_parameters Allocation parameters + +You can attach a custom pointer to each allocation by using vmaSetVirtualAllocationUserData(). +Its default value is null. +It can be used to store any data that needs to be associated with that allocation - e.g. an index, a handle, or a pointer to some +larger data structure containing more information. Example: + +\code +struct CustomAllocData +{ + std::string m_AllocName; +}; +CustomAllocData* allocData = new CustomAllocData(); +allocData->m_AllocName = "My allocation 1"; +vmaSetVirtualAllocationUserData(block, alloc, allocData); +\endcode + +The pointer can later be fetched, along with allocation offset and size, by passing the allocation handle to function +vmaGetVirtualAllocationInfo() and inspecting returned structure #VmaVirtualAllocationInfo. +If you allocated a new object to be used as the custom pointer, don't forget to delete that object before freeing the allocation! +Example: + +\code +VmaVirtualAllocationInfo allocInfo; +vmaGetVirtualAllocationInfo(block, alloc, &allocInfo); +delete (CustomAllocData*)allocInfo.pUserData; + +vmaVirtualFree(block, alloc); +\endcode + +\section virtual_allocator_alignment_and_units Alignment and units + +It feels natural to express sizes and offsets in bytes. +If an offset of an allocation needs to be aligned to a multiply of some number (e.g. 4 bytes), you can fill optional member +VmaVirtualAllocationCreateInfo::alignment to request it. Example: + +\code +VmaVirtualAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.size = 4096; // 4 KB +allocCreateInfo.alignment = 4; // Returned offset must be a multiply of 4 B + +VmaVirtualAllocation alloc; +res = vmaVirtualAllocate(block, &allocCreateInfo, &alloc, nullptr); +\endcode + +Alignments of different allocations made from one block may vary. +However, if all alignments and sizes are always multiply of some size e.g. 4 B or `sizeof(MyDataStruct)`, +you can express all sizes, alignments, and offsets in multiples of that size instead of individual bytes. +It might be more convenient, but you need to make sure to use this new unit consistently in all the places: + +- VmaVirtualBlockCreateInfo::size +- VmaVirtualAllocationCreateInfo::size and VmaVirtualAllocationCreateInfo::alignment +- Using offset returned by vmaVirtualAllocate() or in VmaVirtualAllocationInfo::offset + +\section virtual_allocator_statistics Statistics + +You can obtain statistics of a virtual block using vmaGetVirtualBlockStatistics() +(to get brief statistics that are fast to calculate) +or vmaCalculateVirtualBlockStatistics() (to get more detailed statistics, slower to calculate). +The functions fill structures #VmaStatistics, #VmaDetailedStatistics respectively - same as used by the normal Vulkan memory allocator. +Example: + +\code +VmaStatistics stats; +vmaGetVirtualBlockStatistics(block, &stats); +printf("My virtual block has %llu bytes used by %u virtual allocations\n", + stats.allocationBytes, stats.allocationCount); +\endcode + +You can also request a full list of allocations and free regions as a string in JSON format by calling +vmaBuildVirtualBlockStatsString(). +Returned string must be later freed using vmaFreeVirtualBlockStatsString(). +The format of this string differs from the one returned by the main Vulkan allocator, but it is similar. + +\section virtual_allocator_additional_considerations Additional considerations + +The "virtual allocator" functionality is implemented on a level of individual memory blocks. +Keeping track of a whole collection of blocks, allocating new ones when out of free space, +deleting empty ones, and deciding which one to try first for a new allocation must be implemented by the user. + +Alternative allocation algorithms are supported, just like in custom pools of the real GPU memory. +See enum #VmaVirtualBlockCreateFlagBits to learn how to specify them (e.g. #VMA_VIRTUAL_BLOCK_CREATE_LINEAR_ALGORITHM_BIT). +You can find their description in chapter \ref custom_memory_pools. +Allocation strategies are also supported. +See enum #VmaVirtualAllocationCreateFlagBits to learn how to specify them (e.g. #VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT). + +Following features are supported only by the allocator of the real GPU memory and not by virtual allocations: +buffer-image granularity, `VMA_DEBUG_MARGIN`, `VMA_MIN_ALIGNMENT`. + + +\page debugging_memory_usage Debugging incorrect memory usage + +If you suspect a bug with memory usage, like usage of uninitialized memory or +memory being overwritten out of bounds of an allocation, +you can use debug features of this library to verify this. + +\section debugging_memory_usage_initialization Memory initialization + +If you experience a bug with incorrect and nondeterministic data in your program and you suspect uninitialized memory to be used, +you can enable automatic memory initialization to verify this. +To do it, define macro `VMA_DEBUG_INITIALIZE_ALLOCATIONS` to 1. + +\code +#define VMA_DEBUG_INITIALIZE_ALLOCATIONS 1 +#include "vk_mem_alloc.h" +\endcode + +It makes memory of new allocations initialized to bit pattern `0xDCDCDCDC`. +Before an allocation is destroyed, its memory is filled with bit pattern `0xEFEFEFEF`. +Memory is automatically mapped and unmapped if necessary. + +If you find these values while debugging your program, good chances are that you incorrectly +read Vulkan memory that is allocated but not initialized, or already freed, respectively. + +Memory initialization works only with memory types that are `HOST_VISIBLE` and with allocations that can be mapped. +It works also with dedicated allocations. + +\section debugging_memory_usage_margins Margins + +By default, allocations are laid out in memory blocks next to each other if possible +(considering required alignment, `bufferImageGranularity`, and `nonCoherentAtomSize`). + + + +Define macro `VMA_DEBUG_MARGIN` to some non-zero value (e.g. 16) to enforce specified +number of bytes as a margin after every allocation. + +\code +#define VMA_DEBUG_MARGIN 16 +#include "vk_mem_alloc.h" +\endcode + + + +If your bug goes away after enabling margins, it means it may be caused by memory +being overwritten outside of allocation boundaries. It is not 100% certain though. +Change in application behavior may also be caused by different order and distribution +of allocations across memory blocks after margins are applied. + +Margins work with all types of memory. + +Margin is applied only to allocations made out of memory blocks and not to dedicated +allocations, which have their own memory block of specific size. +It is thus not applied to allocations made using #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT flag +or those automatically decided to put into dedicated allocations, e.g. due to its +large size or recommended by VK_KHR_dedicated_allocation extension. + +Margins appear in [JSON dump](@ref statistics_json_dump) as part of free space. + +Note that enabling margins increases memory usage and fragmentation. + +Margins do not apply to \ref virtual_allocator. + +\section debugging_memory_usage_corruption_detection Corruption detection + +You can additionally define macro `VMA_DEBUG_DETECT_CORRUPTION` to 1 to enable validation +of contents of the margins. + +\code +#define VMA_DEBUG_MARGIN 16 +#define VMA_DEBUG_DETECT_CORRUPTION 1 +#include "vk_mem_alloc.h" +\endcode + +When this feature is enabled, number of bytes specified as `VMA_DEBUG_MARGIN` +(it must be multiply of 4) after every allocation is filled with a magic number. +This idea is also know as "canary". +Memory is automatically mapped and unmapped if necessary. + +This number is validated automatically when the allocation is destroyed. +If it is not equal to the expected value, `VMA_ASSERT()` is executed. +It clearly means that either CPU or GPU overwritten the memory outside of boundaries of the allocation, +which indicates a serious bug. + +You can also explicitly request checking margins of all allocations in all memory blocks +that belong to specified memory types by using function vmaCheckCorruption(), +or in memory blocks that belong to specified custom pool, by using function +vmaCheckPoolCorruption(). + +Margin validation (corruption detection) works only for memory types that are +`HOST_VISIBLE` and `HOST_COHERENT`. + + +\page opengl_interop OpenGL Interop + +VMA provides some features that help with interoperability with OpenGL. + +\section opengl_interop_exporting_memory Exporting memory + +If you want to attach `VkExportMemoryAllocateInfoKHR` structure to `pNext` chain of memory allocations made by the library: + +It is recommended to create \ref custom_memory_pools for such allocations. +Define and fill in your `VkExportMemoryAllocateInfoKHR` structure and attach it to VmaPoolCreateInfo::pMemoryAllocateNext +while creating the custom pool. +Please note that the structure must remain alive and unchanged for the whole lifetime of the #VmaPool, +not only while creating it, as no copy of the structure is made, +but its original pointer is used for each allocation instead. + +If you want to export all memory allocated by the library from certain memory types, +also dedicated allocations or other allocations made from default pools, +an alternative solution is to fill in VmaAllocatorCreateInfo::pTypeExternalMemoryHandleTypes. +It should point to an array with `VkExternalMemoryHandleTypeFlagsKHR` to be automatically passed by the library +through `VkExportMemoryAllocateInfoKHR` on each allocation made from a specific memory type. +Please note that new versions of the library also support dedicated allocations created in custom pools. + +You should not mix these two methods in a way that allows to apply both to the same memory type. +Otherwise, `VkExportMemoryAllocateInfoKHR` structure would be attached twice to the `pNext` chain of `VkMemoryAllocateInfo`. + + +\section opengl_interop_custom_alignment Custom alignment + +Buffers or images exported to a different API like OpenGL may require a different alignment, +higher than the one used by the library automatically, queried from functions like `vkGetBufferMemoryRequirements`. +To impose such alignment: + +It is recommended to create \ref custom_memory_pools for such allocations. +Set VmaPoolCreateInfo::minAllocationAlignment member to the minimum alignment required for each allocation +to be made out of this pool. +The alignment actually used will be the maximum of this member and the alignment returned for the specific buffer or image +from a function like `vkGetBufferMemoryRequirements`, which is called by VMA automatically. + +If you want to create a buffer with a specific minimum alignment out of default pools, +use special function vmaCreateBufferWithAlignment(), which takes additional parameter `minAlignment`. + +Note the problem of alignment affects only resources placed inside bigger `VkDeviceMemory` blocks and not dedicated +allocations, as these, by definition, always have alignment = 0 because the resource is bound to the beginning of its dedicated block. +Contrary to Direct3D 12, Vulkan doesn't have a concept of alignment of the entire memory block passed on its allocation. + + +\page usage_patterns Recommended usage patterns + +Vulkan gives great flexibility in memory allocation. +This chapter shows the most common patterns. + +See also slides from talk: +[Sawicki, Adam. Advanced Graphics Techniques Tutorial: Memory management in Vulkan and DX12. Game Developers Conference, 2018](https://www.gdcvault.com/play/1025458/Advanced-Graphics-Techniques-Tutorial-New) + + +\section usage_patterns_gpu_only GPU-only resource + +<b>When:</b> +Any resources that you frequently write and read on GPU, +e.g. images used as color attachments (aka "render targets"), depth-stencil attachments, +images/buffers used as storage image/buffer (aka "Unordered Access View (UAV)"). + +<b>What to do:</b> +Let the library select the optimal memory type, which will likely have `VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT`. + +\code +VkImageCreateInfo imgCreateInfo = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO }; +imgCreateInfo.imageType = VK_IMAGE_TYPE_2D; +imgCreateInfo.extent.width = 3840; +imgCreateInfo.extent.height = 2160; +imgCreateInfo.extent.depth = 1; +imgCreateInfo.mipLevels = 1; +imgCreateInfo.arrayLayers = 1; +imgCreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM; +imgCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL; +imgCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; +imgCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; +imgCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; +allocCreateInfo.flags = VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; +allocCreateInfo.priority = 1.0f; + +VkImage img; +VmaAllocation alloc; +vmaCreateImage(allocator, &imgCreateInfo, &allocCreateInfo, &img, &alloc, nullptr); +\endcode + +<b>Also consider:</b> +Consider creating them as dedicated allocations using #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT, +especially if they are large or if you plan to destroy and recreate them with different sizes +e.g. when display resolution changes. +Prefer to create such resources first and all other GPU resources (like textures and vertex buffers) later. +When VK_EXT_memory_priority extension is enabled, it is also worth setting high priority to such allocation +to decrease chances to be evicted to system memory by the operating system. + +\section usage_patterns_staging_copy_upload Staging copy for upload + +<b>When:</b> +A "staging" buffer than you want to map and fill from CPU code, then use as a source od transfer +to some GPU resource. + +<b>What to do:</b> +Use flag #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT. +Let the library select the optimal memory type, which will always have `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT`. + +\code +VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +bufCreateInfo.size = 65536; +bufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; +allocCreateInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | + VMA_ALLOCATION_CREATE_MAPPED_BIT; + +VkBuffer buf; +VmaAllocation alloc; +VmaAllocationInfo allocInfo; +vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); + +... + +memcpy(allocInfo.pMappedData, myData, myDataSize); +\endcode + +<b>Also consider:</b> +You can map the allocation using vmaMapMemory() or you can create it as persistenly mapped +using #VMA_ALLOCATION_CREATE_MAPPED_BIT, as in the example above. + + +\section usage_patterns_readback Readback + +<b>When:</b> +Buffers for data written by or transferred from the GPU that you want to read back on the CPU, +e.g. results of some computations. + +<b>What to do:</b> +Use flag #VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT. +Let the library select the optimal memory type, which will always have `VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT` +and `VK_MEMORY_PROPERTY_HOST_CACHED_BIT`. + +\code +VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +bufCreateInfo.size = 65536; +bufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; +allocCreateInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT | + VMA_ALLOCATION_CREATE_MAPPED_BIT; + +VkBuffer buf; +VmaAllocation alloc; +VmaAllocationInfo allocInfo; +vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); + +... + +const float* downloadedData = (const float*)allocInfo.pMappedData; +\endcode + + +\section usage_patterns_advanced_data_uploading Advanced data uploading + +For resources that you frequently write on CPU via mapped pointer and +freqnently read on GPU e.g. as a uniform buffer (also called "dynamic"), multiple options are possible: + +-# Easiest solution is to have one copy of the resource in `HOST_VISIBLE` memory, + even if it means system RAM (not `DEVICE_LOCAL`) on systems with a discrete graphics card, + and make the device reach out to that resource directly. + - Reads performed by the device will then go through PCI Express bus. + The performace of this access may be limited, but it may be fine depending on the size + of this resource (whether it is small enough to quickly end up in GPU cache) and the sparsity + of access. +-# On systems with unified memory (e.g. AMD APU or Intel integrated graphics, mobile chips), + a memory type may be available that is both `HOST_VISIBLE` (available for mapping) and `DEVICE_LOCAL` + (fast to access from the GPU). Then, it is likely the best choice for such type of resource. +-# Systems with a discrete graphics card and separate video memory may or may not expose + a memory type that is both `HOST_VISIBLE` and `DEVICE_LOCAL`, also known as Base Address Register (BAR). + If they do, it represents a piece of VRAM (or entire VRAM, if ReBAR is enabled in the motherboard BIOS) + that is available to CPU for mapping. + - Writes performed by the host to that memory go through PCI Express bus. + The performance of these writes may be limited, but it may be fine, especially on PCIe 4.0, + as long as rules of using uncached and write-combined memory are followed - only sequential writes and no reads. +-# Finally, you may need or prefer to create a separate copy of the resource in `DEVICE_LOCAL` memory, + a separate "staging" copy in `HOST_VISIBLE` memory and perform an explicit transfer command between them. + +Thankfully, VMA offers an aid to create and use such resources in the the way optimal +for the current Vulkan device. To help the library make the best choice, +use flag #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT together with +#VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT. +It will then prefer a memory type that is both `DEVICE_LOCAL` and `HOST_VISIBLE` (integrated memory or BAR), +but if no such memory type is available or allocation from it fails +(PC graphics cards have only 256 MB of BAR by default, unless ReBAR is supported and enabled in BIOS), +it will fall back to `DEVICE_LOCAL` memory for fast GPU access. +It is then up to you to detect that the allocation ended up in a memory type that is not `HOST_VISIBLE`, +so you need to create another "staging" allocation and perform explicit transfers. + +\code +VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; +bufCreateInfo.size = 65536; +bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; +allocCreateInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | + VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT | + VMA_ALLOCATION_CREATE_MAPPED_BIT; + +VkBuffer buf; +VmaAllocation alloc; +VmaAllocationInfo allocInfo; +vmaCreateBuffer(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo); + +VkMemoryPropertyFlags memPropFlags; +vmaGetAllocationMemoryProperties(allocator, alloc, &memPropFlags); + +if(memPropFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) +{ + // Allocation ended up in a mappable memory and is already mapped - write to it directly. + + // [Executed in runtime]: + memcpy(allocInfo.pMappedData, myData, myDataSize); +} +else +{ + // Allocation ended up in a non-mappable memory - need to transfer. + VkBufferCreateInfo stagingBufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO }; + stagingBufCreateInfo.size = 65536; + stagingBufCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT; + + VmaAllocationCreateInfo stagingAllocCreateInfo = {}; + stagingAllocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; + stagingAllocCreateInfo.flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT | + VMA_ALLOCATION_CREATE_MAPPED_BIT; + + VkBuffer stagingBuf; + VmaAllocation stagingAlloc; + VmaAllocationInfo stagingAllocInfo; + vmaCreateBuffer(allocator, &stagingBufCreateInfo, &stagingAllocCreateInfo, + &stagingBuf, &stagingAlloc, stagingAllocInfo); + + // [Executed in runtime]: + memcpy(stagingAllocInfo.pMappedData, myData, myDataSize); + //vkCmdPipelineBarrier: VK_ACCESS_HOST_WRITE_BIT --> VK_ACCESS_TRANSFER_READ_BIT + VkBufferCopy bufCopy = { + 0, // srcOffset + 0, // dstOffset, + myDataSize); // size + vkCmdCopyBuffer(cmdBuf, stagingBuf, buf, 1, &bufCopy); +} +\endcode + +\section usage_patterns_other_use_cases Other use cases + +Here are some other, less obvious use cases and their recommended settings: + +- An image that is used only as transfer source and destination, but it should stay on the device, + as it is used to temporarily store a copy of some texture, e.g. from the current to the next frame, + for temporal antialiasing or other temporal effects. + - Use `VkImageCreateInfo::usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT` + - Use VmaAllocationCreateInfo::usage = #VMA_MEMORY_USAGE_AUTO +- An image that is used only as transfer source and destination, but it should be placed + in the system RAM despite it doesn't need to be mapped, because it serves as a "swap" copy to evict + least recently used textures from VRAM. + - Use `VkImageCreateInfo::usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT` + - Use VmaAllocationCreateInfo::usage = #VMA_MEMORY_USAGE_AUTO_PREFER_HOST, + as VMA needs a hint here to differentiate from the previous case. +- A buffer that you want to map and write from the CPU, directly read from the GPU + (e.g. as a uniform or vertex buffer), but you have a clear preference to place it in device or + host memory due to its large size. + - Use `VkBufferCreateInfo::usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT` + - Use VmaAllocationCreateInfo::usage = #VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE or #VMA_MEMORY_USAGE_AUTO_PREFER_HOST + - Use VmaAllocationCreateInfo::flags = #VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT + + +\page configuration Configuration + +Please check "CONFIGURATION SECTION" in the code to find macros that you can define +before each include of this file or change directly in this file to provide +your own implementation of basic facilities like assert, `min()` and `max()` functions, +mutex, atomic etc. +The library uses its own implementation of containers by default, but you can switch to using +STL containers instead. + +For example, define `VMA_ASSERT(expr)` before including the library to provide +custom implementation of the assertion, compatible with your project. +By default it is defined to standard C `assert(expr)` in `_DEBUG` configuration +and empty otherwise. + +\section config_Vulkan_functions Pointers to Vulkan functions + +There are multiple ways to import pointers to Vulkan functions in the library. +In the simplest case you don't need to do anything. +If the compilation or linking of your program or the initialization of the #VmaAllocator +doesn't work for you, you can try to reconfigure it. + +First, the allocator tries to fetch pointers to Vulkan functions linked statically, +like this: + +\code +m_VulkanFunctions.vkAllocateMemory = (PFN_vkAllocateMemory)vkAllocateMemory; +\endcode + +If you want to disable this feature, set configuration macro: `#define VMA_STATIC_VULKAN_FUNCTIONS 0`. + +Second, you can provide the pointers yourself by setting member VmaAllocatorCreateInfo::pVulkanFunctions. +You can fetch them e.g. using functions `vkGetInstanceProcAddr` and `vkGetDeviceProcAddr` or +by using a helper library like [volk](https://github.com/zeux/volk). + +Third, VMA tries to fetch remaining pointers that are still null by calling +`vkGetInstanceProcAddr` and `vkGetDeviceProcAddr` on its own. +You need to only fill in VmaVulkanFunctions::vkGetInstanceProcAddr and VmaVulkanFunctions::vkGetDeviceProcAddr. +Other pointers will be fetched automatically. +If you want to disable this feature, set configuration macro: `#define VMA_DYNAMIC_VULKAN_FUNCTIONS 0`. + +Finally, all the function pointers required by the library (considering selected +Vulkan version and enabled extensions) are checked with `VMA_ASSERT` if they are not null. + + +\section custom_memory_allocator Custom host memory allocator + +If you use custom allocator for CPU memory rather than default operator `new` +and `delete` from C++, you can make this library using your allocator as well +by filling optional member VmaAllocatorCreateInfo::pAllocationCallbacks. These +functions will be passed to Vulkan, as well as used by the library itself to +make any CPU-side allocations. + +\section allocation_callbacks Device memory allocation callbacks + +The library makes calls to `vkAllocateMemory()` and `vkFreeMemory()` internally. +You can setup callbacks to be informed about these calls, e.g. for the purpose +of gathering some statistics. To do it, fill optional member +VmaAllocatorCreateInfo::pDeviceMemoryCallbacks. + +\section heap_memory_limit Device heap memory limit + +When device memory of certain heap runs out of free space, new allocations may +fail (returning error code) or they may succeed, silently pushing some existing_ +memory blocks from GPU VRAM to system RAM (which degrades performance). This +behavior is implementation-dependent - it depends on GPU vendor and graphics +driver. + +On AMD cards it can be controlled while creating Vulkan device object by using +VK_AMD_memory_overallocation_behavior extension, if available. + +Alternatively, if you want to test how your program behaves with limited amount of Vulkan device +memory available without switching your graphics card to one that really has +smaller VRAM, you can use a feature of this library intended for this purpose. +To do it, fill optional member VmaAllocatorCreateInfo::pHeapSizeLimit. + + + +\page vk_khr_dedicated_allocation VK_KHR_dedicated_allocation + +VK_KHR_dedicated_allocation is a Vulkan extension which can be used to improve +performance on some GPUs. It augments Vulkan API with possibility to query +driver whether it prefers particular buffer or image to have its own, dedicated +allocation (separate `VkDeviceMemory` block) for better efficiency - to be able +to do some internal optimizations. The extension is supported by this library. +It will be used automatically when enabled. + +It has been promoted to core Vulkan 1.1, so if you use eligible Vulkan version +and inform VMA about it by setting VmaAllocatorCreateInfo::vulkanApiVersion, +you are all set. + +Otherwise, if you want to use it as an extension: + +1 . When creating Vulkan device, check if following 2 device extensions are +supported (call `vkEnumerateDeviceExtensionProperties()`). +If yes, enable them (fill `VkDeviceCreateInfo::ppEnabledExtensionNames`). + +- VK_KHR_get_memory_requirements2 +- VK_KHR_dedicated_allocation + +If you enabled these extensions: + +2 . Use #VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT flag when creating +your #VmaAllocator to inform the library that you enabled required extensions +and you want the library to use them. + +\code +allocatorInfo.flags |= VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT; + +vmaCreateAllocator(&allocatorInfo, &allocator); +\endcode + +That is all. The extension will be automatically used whenever you create a +buffer using vmaCreateBuffer() or image using vmaCreateImage(). + +When using the extension together with Vulkan Validation Layer, you will receive +warnings like this: + +_vkBindBufferMemory(): Binding memory to buffer 0x33 but vkGetBufferMemoryRequirements() has not been called on that buffer._ + +It is OK, you should just ignore it. It happens because you use function +`vkGetBufferMemoryRequirements2KHR()` instead of standard +`vkGetBufferMemoryRequirements()`, while the validation layer seems to be +unaware of it. + +To learn more about this extension, see: + +- [VK_KHR_dedicated_allocation in Vulkan specification](https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/chap50.html#VK_KHR_dedicated_allocation) +- [VK_KHR_dedicated_allocation unofficial manual](http://asawicki.info/articles/VK_KHR_dedicated_allocation.php5) + + + +\page vk_ext_memory_priority VK_EXT_memory_priority + +VK_EXT_memory_priority is a device extension that allows to pass additional "priority" +value to Vulkan memory allocations that the implementation may use prefer certain +buffers and images that are critical for performance to stay in device-local memory +in cases when the memory is over-subscribed, while some others may be moved to the system memory. + +VMA offers convenient usage of this extension. +If you enable it, you can pass "priority" parameter when creating allocations or custom pools +and the library automatically passes the value to Vulkan using this extension. + +If you want to use this extension in connection with VMA, follow these steps: + +\section vk_ext_memory_priority_initialization Initialization + +1) Call `vkEnumerateDeviceExtensionProperties` for the physical device. +Check if the extension is supported - if returned array of `VkExtensionProperties` contains "VK_EXT_memory_priority". + +2) Call `vkGetPhysicalDeviceFeatures2` for the physical device instead of old `vkGetPhysicalDeviceFeatures`. +Attach additional structure `VkPhysicalDeviceMemoryPriorityFeaturesEXT` to `VkPhysicalDeviceFeatures2::pNext` to be returned. +Check if the device feature is really supported - check if `VkPhysicalDeviceMemoryPriorityFeaturesEXT::memoryPriority` is true. + +3) While creating device with `vkCreateDevice`, enable this extension - add "VK_EXT_memory_priority" +to the list passed as `VkDeviceCreateInfo::ppEnabledExtensionNames`. + +4) While creating the device, also don't set `VkDeviceCreateInfo::pEnabledFeatures`. +Fill in `VkPhysicalDeviceFeatures2` structure instead and pass it as `VkDeviceCreateInfo::pNext`. +Enable this device feature - attach additional structure `VkPhysicalDeviceMemoryPriorityFeaturesEXT` to +`VkPhysicalDeviceFeatures2::pNext` chain and set its member `memoryPriority` to `VK_TRUE`. + +5) While creating #VmaAllocator with vmaCreateAllocator() inform VMA that you +have enabled this extension and feature - add #VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT +to VmaAllocatorCreateInfo::flags. + +\section vk_ext_memory_priority_usage Usage + +When using this extension, you should initialize following member: + +- VmaAllocationCreateInfo::priority when creating a dedicated allocation with #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. +- VmaPoolCreateInfo::priority when creating a custom pool. + +It should be a floating-point value between `0.0f` and `1.0f`, where recommended default is `0.5f`. +Memory allocated with higher value can be treated by the Vulkan implementation as higher priority +and so it can have lower chances of being pushed out to system memory, experiencing degraded performance. + +It might be a good idea to create performance-critical resources like color-attachment or depth-stencil images +as dedicated and set high priority to them. For example: + +\code +VkImageCreateInfo imgCreateInfo = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO }; +imgCreateInfo.imageType = VK_IMAGE_TYPE_2D; +imgCreateInfo.extent.width = 3840; +imgCreateInfo.extent.height = 2160; +imgCreateInfo.extent.depth = 1; +imgCreateInfo.mipLevels = 1; +imgCreateInfo.arrayLayers = 1; +imgCreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM; +imgCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL; +imgCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; +imgCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; +imgCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT; + +VmaAllocationCreateInfo allocCreateInfo = {}; +allocCreateInfo.usage = VMA_MEMORY_USAGE_AUTO; +allocCreateInfo.flags = VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT; +allocCreateInfo.priority = 1.0f; + +VkImage img; +VmaAllocation alloc; +vmaCreateImage(allocator, &imgCreateInfo, &allocCreateInfo, &img, &alloc, nullptr); +\endcode + +`priority` member is ignored in the following situations: + +- Allocations created in custom pools: They inherit the priority, along with all other allocation parameters + from the parametrs passed in #VmaPoolCreateInfo when the pool was created. +- Allocations created in default pools: They inherit the priority from the parameters + VMA used when creating default pools, which means `priority == 0.5f`. + + +\page vk_amd_device_coherent_memory VK_AMD_device_coherent_memory + +VK_AMD_device_coherent_memory is a device extension that enables access to +additional memory types with `VK_MEMORY_PROPERTY_DEVICE_COHERENT_BIT_AMD` and +`VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD` flag. It is useful mostly for +allocation of buffers intended for writing "breadcrumb markers" in between passes +or draw calls, which in turn are useful for debugging GPU crash/hang/TDR cases. + +When the extension is available but has not been enabled, Vulkan physical device +still exposes those memory types, but their usage is forbidden. VMA automatically +takes care of that - it returns `VK_ERROR_FEATURE_NOT_PRESENT` when an attempt +to allocate memory of such type is made. + +If you want to use this extension in connection with VMA, follow these steps: + +\section vk_amd_device_coherent_memory_initialization Initialization + +1) Call `vkEnumerateDeviceExtensionProperties` for the physical device. +Check if the extension is supported - if returned array of `VkExtensionProperties` contains "VK_AMD_device_coherent_memory". + +2) Call `vkGetPhysicalDeviceFeatures2` for the physical device instead of old `vkGetPhysicalDeviceFeatures`. +Attach additional structure `VkPhysicalDeviceCoherentMemoryFeaturesAMD` to `VkPhysicalDeviceFeatures2::pNext` to be returned. +Check if the device feature is really supported - check if `VkPhysicalDeviceCoherentMemoryFeaturesAMD::deviceCoherentMemory` is true. + +3) While creating device with `vkCreateDevice`, enable this extension - add "VK_AMD_device_coherent_memory" +to the list passed as `VkDeviceCreateInfo::ppEnabledExtensionNames`. + +4) While creating the device, also don't set `VkDeviceCreateInfo::pEnabledFeatures`. +Fill in `VkPhysicalDeviceFeatures2` structure instead and pass it as `VkDeviceCreateInfo::pNext`. +Enable this device feature - attach additional structure `VkPhysicalDeviceCoherentMemoryFeaturesAMD` to +`VkPhysicalDeviceFeatures2::pNext` and set its member `deviceCoherentMemory` to `VK_TRUE`. + +5) While creating #VmaAllocator with vmaCreateAllocator() inform VMA that you +have enabled this extension and feature - add #VMA_ALLOCATOR_CREATE_AMD_DEVICE_COHERENT_MEMORY_BIT +to VmaAllocatorCreateInfo::flags. + +\section vk_amd_device_coherent_memory_usage Usage + +After following steps described above, you can create VMA allocations and custom pools +out of the special `DEVICE_COHERENT` and `DEVICE_UNCACHED` memory types on eligible +devices. There are multiple ways to do it, for example: + +- You can request or prefer to allocate out of such memory types by adding + `VK_MEMORY_PROPERTY_DEVICE_UNCACHED_BIT_AMD` to VmaAllocationCreateInfo::requiredFlags + or VmaAllocationCreateInfo::preferredFlags. Those flags can be freely mixed with + other ways of \ref choosing_memory_type, like setting VmaAllocationCreateInfo::usage. +- If you manually found memory type index to use for this purpose, force allocation + from this specific index by setting VmaAllocationCreateInfo::memoryTypeBits `= 1u << index`. + +\section vk_amd_device_coherent_memory_more_information More information + +To learn more about this extension, see [VK_AMD_device_coherent_memory in Vulkan specification](https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/VK_AMD_device_coherent_memory.html) + +Example use of this extension can be found in the code of the sample and test suite +accompanying this library. + + +\page enabling_buffer_device_address Enabling buffer device address + +Device extension VK_KHR_buffer_device_address +allow to fetch raw GPU pointer to a buffer and pass it for usage in a shader code. +It has been promoted to core Vulkan 1.2. + +If you want to use this feature in connection with VMA, follow these steps: + +\section enabling_buffer_device_address_initialization Initialization + +1) (For Vulkan version < 1.2) Call `vkEnumerateDeviceExtensionProperties` for the physical device. +Check if the extension is supported - if returned array of `VkExtensionProperties` contains +"VK_KHR_buffer_device_address". + +2) Call `vkGetPhysicalDeviceFeatures2` for the physical device instead of old `vkGetPhysicalDeviceFeatures`. +Attach additional structure `VkPhysicalDeviceBufferDeviceAddressFeatures*` to `VkPhysicalDeviceFeatures2::pNext` to be returned. +Check if the device feature is really supported - check if `VkPhysicalDeviceBufferDeviceAddressFeatures::bufferDeviceAddress` is true. + +3) (For Vulkan version < 1.2) While creating device with `vkCreateDevice`, enable this extension - add +"VK_KHR_buffer_device_address" to the list passed as `VkDeviceCreateInfo::ppEnabledExtensionNames`. + +4) While creating the device, also don't set `VkDeviceCreateInfo::pEnabledFeatures`. +Fill in `VkPhysicalDeviceFeatures2` structure instead and pass it as `VkDeviceCreateInfo::pNext`. +Enable this device feature - attach additional structure `VkPhysicalDeviceBufferDeviceAddressFeatures*` to +`VkPhysicalDeviceFeatures2::pNext` and set its member `bufferDeviceAddress` to `VK_TRUE`. + +5) While creating #VmaAllocator with vmaCreateAllocator() inform VMA that you +have enabled this feature - add #VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT +to VmaAllocatorCreateInfo::flags. + +\section enabling_buffer_device_address_usage Usage + +After following steps described above, you can create buffers with `VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT*` using VMA. +The library automatically adds `VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT*` to +allocated memory blocks wherever it might be needed. + +Please note that the library supports only `VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT*`. +The second part of this functionality related to "capture and replay" is not supported, +as it is intended for usage in debugging tools like RenderDoc, not in everyday Vulkan usage. + +\section enabling_buffer_device_address_more_information More information + +To learn more about this extension, see [VK_KHR_buffer_device_address in Vulkan specification](https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/chap46.html#VK_KHR_buffer_device_address) + +Example use of this extension can be found in the code of the sample and test suite +accompanying this library. + +\page general_considerations General considerations + +\section general_considerations_thread_safety Thread safety + +- The library has no global state, so separate #VmaAllocator objects can be used + independently. + There should be no need to create multiple such objects though - one per `VkDevice` is enough. +- By default, all calls to functions that take #VmaAllocator as first parameter + are safe to call from multiple threads simultaneously because they are + synchronized internally when needed. + This includes allocation and deallocation from default memory pool, as well as custom #VmaPool. +- When the allocator is created with #VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT + flag, calls to functions that take such #VmaAllocator object must be + synchronized externally. +- Access to a #VmaAllocation object must be externally synchronized. For example, + you must not call vmaGetAllocationInfo() and vmaMapMemory() from different + threads at the same time if you pass the same #VmaAllocation object to these + functions. +- #VmaVirtualBlock is not safe to be used from multiple threads simultaneously. + +\section general_considerations_versioning_and_compatibility Versioning and compatibility + +The library uses [**Semantic Versioning**](https://semver.org/), +which means version numbers follow convention: Major.Minor.Patch (e.g. 2.3.0), where: + +- Incremented Patch version means a release is backward- and forward-compatible, + introducing only some internal improvements, bug fixes, optimizations etc. + or changes that are out of scope of the official API described in this documentation. +- Incremented Minor version means a release is backward-compatible, + so existing code that uses the library should continue to work, while some new + symbols could have been added: new structures, functions, new values in existing + enums and bit flags, new structure members, but not new function parameters. +- Incrementing Major version means a release could break some backward compatibility. + +All changes between official releases are documented in file "CHANGELOG.md". + +\warning Backward compatiblity is considered on the level of C++ source code, not binary linkage. +Adding new members to existing structures is treated as backward compatible if initializing +the new members to binary zero results in the old behavior. +You should always fully initialize all library structures to zeros and not rely on their +exact binary size. + +\section general_considerations_validation_layer_warnings Validation layer warnings + +When using this library, you can meet following types of warnings issued by +Vulkan validation layer. They don't necessarily indicate a bug, so you may need +to just ignore them. + +- *vkBindBufferMemory(): Binding memory to buffer 0xeb8e4 but vkGetBufferMemoryRequirements() has not been called on that buffer.* + - It happens when VK_KHR_dedicated_allocation extension is enabled. + `vkGetBufferMemoryRequirements2KHR` function is used instead, while validation layer seems to be unaware of it. +- *Mapping an image with layout VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL can result in undefined behavior if this memory is used by the device. Only GENERAL or PREINITIALIZED should be used.* + - It happens when you map a buffer or image, because the library maps entire + `VkDeviceMemory` block, where different types of images and buffers may end + up together, especially on GPUs with unified memory like Intel. +- *Non-linear image 0xebc91 is aliased with linear buffer 0xeb8e4 which may indicate a bug.* + - It may happen when you use [defragmentation](@ref defragmentation). + +\section general_considerations_allocation_algorithm Allocation algorithm + +The library uses following algorithm for allocation, in order: + +-# Try to find free range of memory in existing blocks. +-# If failed, try to create a new block of `VkDeviceMemory`, with preferred block size. +-# If failed, try to create such block with size / 2, size / 4, size / 8. +-# If failed, try to allocate separate `VkDeviceMemory` for this allocation, + just like when you use #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT. +-# If failed, choose other memory type that meets the requirements specified in + VmaAllocationCreateInfo and go to point 1. +-# If failed, return `VK_ERROR_OUT_OF_DEVICE_MEMORY`. + +\section general_considerations_features_not_supported Features not supported + +Features deliberately excluded from the scope of this library: + +-# **Data transfer.** Uploading (streaming) and downloading data of buffers and images + between CPU and GPU memory and related synchronization is responsibility of the user. + Defining some "texture" object that would automatically stream its data from a + staging copy in CPU memory to GPU memory would rather be a feature of another, + higher-level library implemented on top of VMA. + VMA doesn't record any commands to a `VkCommandBuffer`. It just allocates memory. +-# **Recreation of buffers and images.** Although the library has functions for + buffer and image creation: vmaCreateBuffer(), vmaCreateImage(), you need to + recreate these objects yourself after defragmentation. That is because the big + structures `VkBufferCreateInfo`, `VkImageCreateInfo` are not stored in + #VmaAllocation object. +-# **Handling CPU memory allocation failures.** When dynamically creating small C++ + objects in CPU memory (not Vulkan memory), allocation failures are not checked + and handled gracefully, because that would complicate code significantly and + is usually not needed in desktop PC applications anyway. + Success of an allocation is just checked with an assert. +-# **Code free of any compiler warnings.** Maintaining the library to compile and + work correctly on so many different platforms is hard enough. Being free of + any warnings, on any version of any compiler, is simply not feasible. + There are many preprocessor macros that make some variables unused, function parameters unreferenced, + or conditional expressions constant in some configurations. + The code of this library should not be bigger or more complicated just to silence these warnings. + It is recommended to disable such warnings instead. +-# This is a C++ library with C interface. **Bindings or ports to any other programming languages** are welcome as external projects but + are not going to be included into this repository. +*/ |