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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "vulkan_implementation_qt.h"
#include "base/environment.h"
#include "base/logging.h"
#include "gpu/vulkan/vulkan_image.h"
#include "gpu/vulkan/vulkan_surface.h"
#include "gpu/vulkan/vulkan_util.h"
#include "ui/gfx/gpu_fence.h"
#include <vulkan/vulkan.h>
namespace gpu {
VulkanImplementationQt::VulkanImplementationQt() : VulkanImplementation(false) { }
VulkanImplementationQt::~VulkanImplementationQt() = default;
bool VulkanImplementationQt::InitializeVulkanInstance(bool /*using_surface*/)
{
std::vector<const char *> required_extensions = {
VK_KHR_EXTERNAL_MEMORY_CAPABILITIES_EXTENSION_NAME,
VK_KHR_EXTERNAL_SEMAPHORE_CAPABILITIES_EXTENSION_NAME,
};
auto env = base::Environment::Create();
std::string vulkan_path;
if (!env->GetVar("QT_VULKAN_LIB", &vulkan_path)) {
#if BUILDFLAG(IS_WIN)
vulkan_path = "vulkan-1.dll";
#else
vulkan_path = "libvulkan.so.1";
#endif
}
if (!vulkan_instance_.Initialize(base::FilePath::FromUTF8Unsafe(vulkan_path),
required_extensions, {})) {
LOG(ERROR) << "Failed to initialize vulkan instance";
return false;
}
return true;
}
VulkanInstance *VulkanImplementationQt::GetVulkanInstance()
{
return &vulkan_instance_;
}
std::unique_ptr<VulkanSurface>
VulkanImplementationQt::CreateViewSurface(gfx::AcceleratedWidget /*window*/)
{
NOTREACHED();
return nullptr;
}
bool VulkanImplementationQt::GetPhysicalDevicePresentationSupport(
VkPhysicalDevice /*device*/,
const std::vector<VkQueueFamilyProperties> & /*queue_family_properties*/,
uint32_t /*queue_family_index*/)
{
NOTREACHED();
return true;
}
std::vector<const char *> VulkanImplementationQt::GetRequiredDeviceExtensions()
{
return {
VK_KHR_EXTERNAL_MEMORY_EXTENSION_NAME,
#if BUILDFLAG(IS_WIN)
VK_KHR_EXTERNAL_MEMORY_WIN32_EXTENSION_NAME,
#else
VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
#endif
};
}
std::vector<const char *> VulkanImplementationQt::GetOptionalDeviceExtensions()
{
return {
VK_KHR_EXTERNAL_SEMAPHORE_EXTENSION_NAME,
#if BUILDFLAG(IS_WIN)
VK_KHR_EXTERNAL_SEMAPHORE_WIN32_EXTENSION_NAME,
#else
VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME,
VK_KHR_IMAGE_FORMAT_LIST_EXTENSION_NAME,
VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME,
VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME,
#endif
};
}
VkFence VulkanImplementationQt::CreateVkFenceForGpuFence(VkDevice /*vk_device*/)
{
NOTREACHED();
return VK_NULL_HANDLE;
}
std::unique_ptr<gfx::GpuFence>
VulkanImplementationQt::ExportVkFenceToGpuFence(VkDevice /*vk_device*/, VkFence /*vk_fence*/)
{
NOTREACHED();
return nullptr;
}
VkSemaphore VulkanImplementationQt::ImportSemaphoreHandle(VkDevice vk_device,
SemaphoreHandle sync_handle)
{
return ImportVkSemaphoreHandle(vk_device, std::move(sync_handle));
}
VkExternalSemaphoreHandleTypeFlagBits VulkanImplementationQt::GetExternalSemaphoreHandleType()
{
#if BUILDFLAG(IS_WIN)
return VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT;
#else
return VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
#endif
}
bool VulkanImplementationQt::CanImportGpuMemoryBuffer(
VulkanDeviceQueue *device_queue,
gfx::GpuMemoryBufferType memory_buffer_type)
{
#if BUILDFLAG(IS_LINUX)
const auto &enabled_extensions = device_queue->enabled_extensions();
return gfx::HasExtension(enabled_extensions,
VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME) &&
gfx::HasExtension(enabled_extensions,
VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME) &&
memory_buffer_type == gfx::GpuMemoryBufferType::NATIVE_PIXMAP;
#else
return false;
#endif
}
std::unique_ptr<VulkanImage> VulkanImplementationQt::CreateImageFromGpuMemoryHandle(VulkanDeviceQueue *device_queue,
gfx::GpuMemoryBufferHandle gmb_handle,
gfx::Size size,
VkFormat vk_format,
const gfx::ColorSpace &)
{
#if BUILDFLAG(IS_LINUX)
constexpr auto kUsage =
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
auto tiling = gmb_handle.native_pixmap_handle.modifier ==
gfx::NativePixmapHandle::kNoModifier
? VK_IMAGE_TILING_OPTIMAL
: VK_IMAGE_TILING_DRM_FORMAT_MODIFIER_EXT;
return gpu::VulkanImage::CreateFromGpuMemoryBufferHandle(
device_queue, std::move(gmb_handle), size, vk_format, kUsage, /*flags=*/0,
tiling, VK_QUEUE_FAMILY_EXTERNAL);
#else
NOTIMPLEMENTED();
return nullptr;
#endif
}
} // namespace gpu
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