diff options
Diffstat (limited to 'examples/vulkan/hellovulkantexture/hellovulkantexture.cpp')
| -rw-r--r-- | examples/vulkan/hellovulkantexture/hellovulkantexture.cpp | 839 |
1 files changed, 0 insertions, 839 deletions
diff --git a/examples/vulkan/hellovulkantexture/hellovulkantexture.cpp b/examples/vulkan/hellovulkantexture/hellovulkantexture.cpp deleted file mode 100644 index 257191ef4e..0000000000 --- a/examples/vulkan/hellovulkantexture/hellovulkantexture.cpp +++ /dev/null @@ -1,839 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "hellovulkantexture.h" -#include <QVulkanFunctions> -#include <QCoreApplication> -#include <QFile> - -// Use a triangle strip to get a quad. -// -// Note that the vertex data and the projection matrix assume OpenGL. With -// Vulkan Y is negated in clip space and the near/far plane is at 0/1 instead -// of -1/1. These will be corrected for by an extra transformation when -// calculating the modelview-projection matrix. -static float vertexData[] = { // Y up, front = CW - // x, y, z, u, v - -1, -1, 0, 0, 1, - -1, 1, 0, 0, 0, - 1, -1, 0, 1, 1, - 1, 1, 0, 1, 0 -}; - -static const int UNIFORM_DATA_SIZE = 16 * sizeof(float); - -static inline VkDeviceSize aligned(VkDeviceSize v, VkDeviceSize byteAlign) -{ - return (v + byteAlign - 1) & ~(byteAlign - 1); -} - -QVulkanWindowRenderer *VulkanWindow::createRenderer() -{ - return new VulkanRenderer(this); -} - -VulkanRenderer::VulkanRenderer(QVulkanWindow *w) - : m_window(w) -{ -} - -VkShaderModule VulkanRenderer::createShader(const QString &name) -{ - QFile file(name); - if (!file.open(QIODevice::ReadOnly)) { - qWarning("Failed to read shader %s", qPrintable(name)); - return VK_NULL_HANDLE; - } - QByteArray blob = file.readAll(); - file.close(); - - VkShaderModuleCreateInfo shaderInfo; - memset(&shaderInfo, 0, sizeof(shaderInfo)); - shaderInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; - shaderInfo.codeSize = blob.size(); - shaderInfo.pCode = reinterpret_cast<const uint32_t *>(blob.constData()); - VkShaderModule shaderModule; - VkResult err = m_devFuncs->vkCreateShaderModule(m_window->device(), &shaderInfo, nullptr, &shaderModule); - if (err != VK_SUCCESS) { - qWarning("Failed to create shader module: %d", err); - return VK_NULL_HANDLE; - } - - return shaderModule; -} - -bool VulkanRenderer::createTexture(const QString &name) -{ - QImage img(name); - if (img.isNull()) { - qWarning("Failed to load image %s", qPrintable(name)); - return false; - } - - // Convert to byte ordered RGBA8. Use premultiplied alpha, see pColorBlendState in the pipeline. - img = img.convertToFormat(QImage::Format_RGBA8888_Premultiplied); - - QVulkanFunctions *f = m_window->vulkanInstance()->functions(); - VkDevice dev = m_window->device(); - - const bool srgb = QCoreApplication::arguments().contains(QStringLiteral("--srgb")); - if (srgb) - qDebug("sRGB swapchain was requested, making texture sRGB too"); - - m_texFormat = srgb ? VK_FORMAT_R8G8B8A8_SRGB : VK_FORMAT_R8G8B8A8_UNORM; - - // Now we can either map and copy the image data directly, or have to go - // through a staging buffer to copy and convert into the internal optimal - // tiling format. - VkFormatProperties props; - f->vkGetPhysicalDeviceFormatProperties(m_window->physicalDevice(), m_texFormat, &props); - const bool canSampleLinear = (props.linearTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT); - const bool canSampleOptimal = (props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT); - if (!canSampleLinear && !canSampleOptimal) { - qWarning("Neither linear nor optimal image sampling is supported for RGBA8"); - return false; - } - - static bool alwaysStage = qEnvironmentVariableIntValue("QT_VK_FORCE_STAGE_TEX"); - - if (canSampleLinear && !alwaysStage) { - if (!createTextureImage(img.size(), &m_texImage, &m_texMem, - VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_SAMPLED_BIT, - m_window->hostVisibleMemoryIndex())) - return false; - - if (!writeLinearImage(img, m_texImage, m_texMem)) - return false; - - m_texLayoutPending = true; - } else { - if (!createTextureImage(img.size(), &m_texStaging, &m_texStagingMem, - VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_TRANSFER_SRC_BIT, - m_window->hostVisibleMemoryIndex())) - return false; - - if (!createTextureImage(img.size(), &m_texImage, &m_texMem, - VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, - m_window->deviceLocalMemoryIndex())) - return false; - - if (!writeLinearImage(img, m_texStaging, m_texStagingMem)) - return false; - - m_texStagingPending = true; - } - - VkImageViewCreateInfo viewInfo; - memset(&viewInfo, 0, sizeof(viewInfo)); - viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; - viewInfo.image = m_texImage; - viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D; - viewInfo.format = m_texFormat; - viewInfo.components.r = VK_COMPONENT_SWIZZLE_R; - viewInfo.components.g = VK_COMPONENT_SWIZZLE_G; - viewInfo.components.b = VK_COMPONENT_SWIZZLE_B; - viewInfo.components.a = VK_COMPONENT_SWIZZLE_A; - viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - viewInfo.subresourceRange.levelCount = viewInfo.subresourceRange.layerCount = 1; - - VkResult err = m_devFuncs->vkCreateImageView(dev, &viewInfo, nullptr, &m_texView); - if (err != VK_SUCCESS) { - qWarning("Failed to create image view for texture: %d", err); - return false; - } - - m_texSize = img.size(); - - return true; -} - -bool VulkanRenderer::createTextureImage(const QSize &size, VkImage *image, VkDeviceMemory *mem, - VkImageTiling tiling, VkImageUsageFlags usage, uint32_t memIndex) -{ - VkDevice dev = m_window->device(); - - VkImageCreateInfo imageInfo; - memset(&imageInfo, 0, sizeof(imageInfo)); - imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; - imageInfo.imageType = VK_IMAGE_TYPE_2D; - imageInfo.format = m_texFormat; - imageInfo.extent.width = size.width(); - imageInfo.extent.height = size.height(); - imageInfo.extent.depth = 1; - imageInfo.mipLevels = 1; - imageInfo.arrayLayers = 1; - imageInfo.samples = VK_SAMPLE_COUNT_1_BIT; - imageInfo.tiling = tiling; - imageInfo.usage = usage; - imageInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED; - - VkResult err = m_devFuncs->vkCreateImage(dev, &imageInfo, nullptr, image); - if (err != VK_SUCCESS) { - qWarning("Failed to create linear image for texture: %d", err); - return false; - } - - VkMemoryRequirements memReq; - m_devFuncs->vkGetImageMemoryRequirements(dev, *image, &memReq); - - if (!(memReq.memoryTypeBits & (1 << memIndex))) { - VkPhysicalDeviceMemoryProperties physDevMemProps; - m_window->vulkanInstance()->functions()->vkGetPhysicalDeviceMemoryProperties(m_window->physicalDevice(), &physDevMemProps); - for (uint32_t i = 0; i < physDevMemProps.memoryTypeCount; ++i) { - if (!(memReq.memoryTypeBits & (1 << i))) - continue; - memIndex = i; - } - } - - VkMemoryAllocateInfo allocInfo = { - VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, - nullptr, - memReq.size, - memIndex - }; - qDebug("allocating %u bytes for texture image", uint32_t(memReq.size)); - - err = m_devFuncs->vkAllocateMemory(dev, &allocInfo, nullptr, mem); - if (err != VK_SUCCESS) { - qWarning("Failed to allocate memory for linear image: %d", err); - return false; - } - - err = m_devFuncs->vkBindImageMemory(dev, *image, *mem, 0); - if (err != VK_SUCCESS) { - qWarning("Failed to bind linear image memory: %d", err); - return false; - } - - return true; -} - -bool VulkanRenderer::writeLinearImage(const QImage &img, VkImage image, VkDeviceMemory memory) -{ - VkDevice dev = m_window->device(); - - VkImageSubresource subres = { - VK_IMAGE_ASPECT_COLOR_BIT, - 0, // mip level - 0 - }; - VkSubresourceLayout layout; - m_devFuncs->vkGetImageSubresourceLayout(dev, image, &subres, &layout); - - uchar *p; - VkResult err = m_devFuncs->vkMapMemory(dev, memory, layout.offset, layout.size, 0, reinterpret_cast<void **>(&p)); - if (err != VK_SUCCESS) { - qWarning("Failed to map memory for linear image: %d", err); - return false; - } - - for (int y = 0; y < img.height(); ++y) { - const uchar *line = img.constScanLine(y); - memcpy(p, line, img.width() * 4); - p += layout.rowPitch; - } - - m_devFuncs->vkUnmapMemory(dev, memory); - return true; -} - -void VulkanRenderer::ensureTexture() -{ - if (!m_texLayoutPending && !m_texStagingPending) - return; - - Q_ASSERT(m_texLayoutPending != m_texStagingPending); - VkCommandBuffer cb = m_window->currentCommandBuffer(); - - VkImageMemoryBarrier barrier; - memset(&barrier, 0, sizeof(barrier)); - barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; - barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - barrier.subresourceRange.levelCount = barrier.subresourceRange.layerCount = 1; - - if (m_texLayoutPending) { - m_texLayoutPending = false; - - barrier.oldLayout = VK_IMAGE_LAYOUT_PREINITIALIZED; - barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - barrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT; - barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - barrier.image = m_texImage; - - m_devFuncs->vkCmdPipelineBarrier(cb, - VK_PIPELINE_STAGE_HOST_BIT, - VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, - 0, 0, nullptr, 0, nullptr, - 1, &barrier); - } else { - m_texStagingPending = false; - - barrier.oldLayout = VK_IMAGE_LAYOUT_PREINITIALIZED; - barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL; - barrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT; - barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT; - barrier.image = m_texStaging; - m_devFuncs->vkCmdPipelineBarrier(cb, - VK_PIPELINE_STAGE_HOST_BIT, - VK_PIPELINE_STAGE_TRANSFER_BIT, - 0, 0, nullptr, 0, nullptr, - 1, &barrier); - - barrier.oldLayout = VK_IMAGE_LAYOUT_PREINITIALIZED; - barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - barrier.srcAccessMask = 0; - barrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - barrier.image = m_texImage; - m_devFuncs->vkCmdPipelineBarrier(cb, - VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, - VK_PIPELINE_STAGE_TRANSFER_BIT, - 0, 0, nullptr, 0, nullptr, - 1, &barrier); - - VkImageCopy copyInfo; - memset(©Info, 0, sizeof(copyInfo)); - copyInfo.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - copyInfo.srcSubresource.layerCount = 1; - copyInfo.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; - copyInfo.dstSubresource.layerCount = 1; - copyInfo.extent.width = m_texSize.width(); - copyInfo.extent.height = m_texSize.height(); - copyInfo.extent.depth = 1; - m_devFuncs->vkCmdCopyImage(cb, m_texStaging, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, - m_texImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ©Info); - - barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; - barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; - barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; - barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT; - barrier.image = m_texImage; - m_devFuncs->vkCmdPipelineBarrier(cb, - VK_PIPELINE_STAGE_TRANSFER_BIT, - VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, - 0, 0, nullptr, 0, nullptr, - 1, &barrier); - } -} - -void VulkanRenderer::initResources() -{ - qDebug("initResources"); - - VkDevice dev = m_window->device(); - m_devFuncs = m_window->vulkanInstance()->deviceFunctions(dev); - - // The setup is similar to hellovulkantriangle. The difference is the - // presence of a second vertex attribute (texcoord), a sampler, and that we - // need blending. - - const int concurrentFrameCount = m_window->concurrentFrameCount(); - const VkPhysicalDeviceLimits *pdevLimits = &m_window->physicalDeviceProperties()->limits; - const VkDeviceSize uniAlign = pdevLimits->minUniformBufferOffsetAlignment; - qDebug("uniform buffer offset alignment is %u", (uint) uniAlign); - VkBufferCreateInfo bufInfo; - memset(&bufInfo, 0, sizeof(bufInfo)); - bufInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; - // Our internal layout is vertex, uniform, uniform, ... with each uniform buffer start offset aligned to uniAlign. - const VkDeviceSize vertexAllocSize = aligned(sizeof(vertexData), uniAlign); - const VkDeviceSize uniformAllocSize = aligned(UNIFORM_DATA_SIZE, uniAlign); - bufInfo.size = vertexAllocSize + concurrentFrameCount * uniformAllocSize; - bufInfo.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; - - VkResult err = m_devFuncs->vkCreateBuffer(dev, &bufInfo, nullptr, &m_buf); - if (err != VK_SUCCESS) - qFatal("Failed to create buffer: %d", err); - - VkMemoryRequirements memReq; - m_devFuncs->vkGetBufferMemoryRequirements(dev, m_buf, &memReq); - - VkMemoryAllocateInfo memAllocInfo = { - VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, - nullptr, - memReq.size, - m_window->hostVisibleMemoryIndex() - }; - - err = m_devFuncs->vkAllocateMemory(dev, &memAllocInfo, nullptr, &m_bufMem); - if (err != VK_SUCCESS) - qFatal("Failed to allocate memory: %d", err); - - err = m_devFuncs->vkBindBufferMemory(dev, m_buf, m_bufMem, 0); - if (err != VK_SUCCESS) - qFatal("Failed to bind buffer memory: %d", err); - - quint8 *p; - err = m_devFuncs->vkMapMemory(dev, m_bufMem, 0, memReq.size, 0, reinterpret_cast<void **>(&p)); - if (err != VK_SUCCESS) - qFatal("Failed to map memory: %d", err); - memcpy(p, vertexData, sizeof(vertexData)); - QMatrix4x4 ident; - memset(m_uniformBufInfo, 0, sizeof(m_uniformBufInfo)); - for (int i = 0; i < concurrentFrameCount; ++i) { - const VkDeviceSize offset = vertexAllocSize + i * uniformAllocSize; - memcpy(p + offset, ident.constData(), 16 * sizeof(float)); - m_uniformBufInfo[i].buffer = m_buf; - m_uniformBufInfo[i].offset = offset; - m_uniformBufInfo[i].range = uniformAllocSize; - } - m_devFuncs->vkUnmapMemory(dev, m_bufMem); - - VkVertexInputBindingDescription vertexBindingDesc = { - 0, // binding - 5 * sizeof(float), - VK_VERTEX_INPUT_RATE_VERTEX - }; - VkVertexInputAttributeDescription vertexAttrDesc[] = { - { // position - 0, // location - 0, // binding - VK_FORMAT_R32G32B32_SFLOAT, - 0 - }, - { // texcoord - 1, - 0, - VK_FORMAT_R32G32_SFLOAT, - 3 * sizeof(float) - } - }; - - VkPipelineVertexInputStateCreateInfo vertexInputInfo; - vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; - vertexInputInfo.pNext = nullptr; - vertexInputInfo.flags = 0; - vertexInputInfo.vertexBindingDescriptionCount = 1; - vertexInputInfo.pVertexBindingDescriptions = &vertexBindingDesc; - vertexInputInfo.vertexAttributeDescriptionCount = 2; - vertexInputInfo.pVertexAttributeDescriptions = vertexAttrDesc; - - // Sampler. - VkSamplerCreateInfo samplerInfo; - memset(&samplerInfo, 0, sizeof(samplerInfo)); - samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; - samplerInfo.magFilter = VK_FILTER_NEAREST; - samplerInfo.minFilter = VK_FILTER_NEAREST; - samplerInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; - samplerInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; - samplerInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE; - samplerInfo.maxAnisotropy = 1.0f; - err = m_devFuncs->vkCreateSampler(dev, &samplerInfo, nullptr, &m_sampler); - if (err != VK_SUCCESS) - qFatal("Failed to create sampler: %d", err); - - // Texture. - if (!createTexture(QStringLiteral(":/qt256.png"))) - qFatal("Failed to create texture"); - - // Set up descriptor set and its layout. - VkDescriptorPoolSize descPoolSizes[2] = { - { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, uint32_t(concurrentFrameCount) }, - { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, uint32_t(concurrentFrameCount) } - }; - VkDescriptorPoolCreateInfo descPoolInfo; - memset(&descPoolInfo, 0, sizeof(descPoolInfo)); - descPoolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; - descPoolInfo.maxSets = concurrentFrameCount; - descPoolInfo.poolSizeCount = 2; - descPoolInfo.pPoolSizes = descPoolSizes; - err = m_devFuncs->vkCreateDescriptorPool(dev, &descPoolInfo, nullptr, &m_descPool); - if (err != VK_SUCCESS) - qFatal("Failed to create descriptor pool: %d", err); - - VkDescriptorSetLayoutBinding layoutBinding[2] = - { - { - 0, // binding - VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, - 1, // descriptorCount - VK_SHADER_STAGE_VERTEX_BIT, - nullptr - }, - { - 1, // binding - VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, - 1, // descriptorCount - VK_SHADER_STAGE_FRAGMENT_BIT, - nullptr - } - }; - VkDescriptorSetLayoutCreateInfo descLayoutInfo = { - VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, - nullptr, - 0, - 2, // bindingCount - layoutBinding - }; - err = m_devFuncs->vkCreateDescriptorSetLayout(dev, &descLayoutInfo, nullptr, &m_descSetLayout); - if (err != VK_SUCCESS) - qFatal("Failed to create descriptor set layout: %d", err); - - for (int i = 0; i < concurrentFrameCount; ++i) { - VkDescriptorSetAllocateInfo descSetAllocInfo = { - VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, - nullptr, - m_descPool, - 1, - &m_descSetLayout - }; - err = m_devFuncs->vkAllocateDescriptorSets(dev, &descSetAllocInfo, &m_descSet[i]); - if (err != VK_SUCCESS) - qFatal("Failed to allocate descriptor set: %d", err); - - VkWriteDescriptorSet descWrite[2]; - memset(descWrite, 0, sizeof(descWrite)); - descWrite[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - descWrite[0].dstSet = m_descSet[i]; - descWrite[0].dstBinding = 0; - descWrite[0].descriptorCount = 1; - descWrite[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; - descWrite[0].pBufferInfo = &m_uniformBufInfo[i]; - - VkDescriptorImageInfo descImageInfo = { - m_sampler, - m_texView, - VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL - }; - - descWrite[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; - descWrite[1].dstSet = m_descSet[i]; - descWrite[1].dstBinding = 1; - descWrite[1].descriptorCount = 1; - descWrite[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; - descWrite[1].pImageInfo = &descImageInfo; - - m_devFuncs->vkUpdateDescriptorSets(dev, 2, descWrite, 0, nullptr); - } - - // Pipeline cache - VkPipelineCacheCreateInfo pipelineCacheInfo; - memset(&pipelineCacheInfo, 0, sizeof(pipelineCacheInfo)); - pipelineCacheInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO; - err = m_devFuncs->vkCreatePipelineCache(dev, &pipelineCacheInfo, nullptr, &m_pipelineCache); - if (err != VK_SUCCESS) - qFatal("Failed to create pipeline cache: %d", err); - - // Pipeline layout - VkPipelineLayoutCreateInfo pipelineLayoutInfo; - memset(&pipelineLayoutInfo, 0, sizeof(pipelineLayoutInfo)); - pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; - pipelineLayoutInfo.setLayoutCount = 1; - pipelineLayoutInfo.pSetLayouts = &m_descSetLayout; - err = m_devFuncs->vkCreatePipelineLayout(dev, &pipelineLayoutInfo, nullptr, &m_pipelineLayout); - if (err != VK_SUCCESS) - qFatal("Failed to create pipeline layout: %d", err); - - // Shaders - VkShaderModule vertShaderModule = createShader(QStringLiteral(":/texture_vert.spv")); - VkShaderModule fragShaderModule = createShader(QStringLiteral(":/texture_frag.spv")); - - // Graphics pipeline - VkGraphicsPipelineCreateInfo pipelineInfo; - memset(&pipelineInfo, 0, sizeof(pipelineInfo)); - pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; - - VkPipelineShaderStageCreateInfo shaderStages[2] = { - { - VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, - nullptr, - 0, - VK_SHADER_STAGE_VERTEX_BIT, - vertShaderModule, - "main", - nullptr - }, - { - VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, - nullptr, - 0, - VK_SHADER_STAGE_FRAGMENT_BIT, - fragShaderModule, - "main", - nullptr - } - }; - pipelineInfo.stageCount = 2; - pipelineInfo.pStages = shaderStages; - - pipelineInfo.pVertexInputState = &vertexInputInfo; - - VkPipelineInputAssemblyStateCreateInfo ia; - memset(&ia, 0, sizeof(ia)); - ia.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; - ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP; - pipelineInfo.pInputAssemblyState = &ia; - - // The viewport and scissor will be set dynamically via vkCmdSetViewport/Scissor. - // This way the pipeline does not need to be touched when resizing the window. - VkPipelineViewportStateCreateInfo vp; - memset(&vp, 0, sizeof(vp)); - vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; - vp.viewportCount = 1; - vp.scissorCount = 1; - pipelineInfo.pViewportState = &vp; - - VkPipelineRasterizationStateCreateInfo rs; - memset(&rs, 0, sizeof(rs)); - rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; - rs.polygonMode = VK_POLYGON_MODE_FILL; - rs.cullMode = VK_CULL_MODE_BACK_BIT; - rs.frontFace = VK_FRONT_FACE_CLOCKWISE; - rs.lineWidth = 1.0f; - pipelineInfo.pRasterizationState = &rs; - - VkPipelineMultisampleStateCreateInfo ms; - memset(&ms, 0, sizeof(ms)); - ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; - ms.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT; - pipelineInfo.pMultisampleState = &ms; - - VkPipelineDepthStencilStateCreateInfo ds; - memset(&ds, 0, sizeof(ds)); - ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; - ds.depthTestEnable = VK_TRUE; - ds.depthWriteEnable = VK_TRUE; - ds.depthCompareOp = VK_COMPARE_OP_LESS_OR_EQUAL; - pipelineInfo.pDepthStencilState = &ds; - - VkPipelineColorBlendStateCreateInfo cb; - memset(&cb, 0, sizeof(cb)); - cb.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; - // assume pre-multiplied alpha, blend, write out all of rgba - VkPipelineColorBlendAttachmentState att; - memset(&att, 0, sizeof(att)); - att.colorWriteMask = 0xF; - att.blendEnable = VK_TRUE; - att.srcColorBlendFactor = VK_BLEND_FACTOR_ONE; - att.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - att.colorBlendOp = VK_BLEND_OP_ADD; - att.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE; - att.dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; - att.alphaBlendOp = VK_BLEND_OP_ADD; - cb.attachmentCount = 1; - cb.pAttachments = &att; - pipelineInfo.pColorBlendState = &cb; - - VkDynamicState dynEnable[] = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR }; - VkPipelineDynamicStateCreateInfo dyn; - memset(&dyn, 0, sizeof(dyn)); - dyn.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; - dyn.dynamicStateCount = sizeof(dynEnable) / sizeof(VkDynamicState); - dyn.pDynamicStates = dynEnable; - pipelineInfo.pDynamicState = &dyn; - - pipelineInfo.layout = m_pipelineLayout; - pipelineInfo.renderPass = m_window->defaultRenderPass(); - - err = m_devFuncs->vkCreateGraphicsPipelines(dev, m_pipelineCache, 1, &pipelineInfo, nullptr, &m_pipeline); - if (err != VK_SUCCESS) - qFatal("Failed to create graphics pipeline: %d", err); - - if (vertShaderModule) - m_devFuncs->vkDestroyShaderModule(dev, vertShaderModule, nullptr); - if (fragShaderModule) - m_devFuncs->vkDestroyShaderModule(dev, fragShaderModule, nullptr); -} - -void VulkanRenderer::initSwapChainResources() -{ - qDebug("initSwapChainResources"); - - // Projection matrix - m_proj = m_window->clipCorrectionMatrix(); // adjust for Vulkan-OpenGL clip space differences - const QSize sz = m_window->swapChainImageSize(); - m_proj.perspective(45.0f, sz.width() / (float) sz.height(), 0.01f, 100.0f); - m_proj.translate(0, 0, -4); -} - -void VulkanRenderer::releaseSwapChainResources() -{ - qDebug("releaseSwapChainResources"); -} - -void VulkanRenderer::releaseResources() -{ - qDebug("releaseResources"); - - VkDevice dev = m_window->device(); - - if (m_sampler) { - m_devFuncs->vkDestroySampler(dev, m_sampler, nullptr); - m_sampler = VK_NULL_HANDLE; - } - - if (m_texStaging) { - m_devFuncs->vkDestroyImage(dev, m_texStaging, nullptr); - m_texStaging = VK_NULL_HANDLE; - } - - if (m_texStagingMem) { - m_devFuncs->vkFreeMemory(dev, m_texStagingMem, nullptr); - m_texStagingMem = VK_NULL_HANDLE; - } - - if (m_texView) { - m_devFuncs->vkDestroyImageView(dev, m_texView, nullptr); - m_texView = VK_NULL_HANDLE; - } - - if (m_texImage) { - m_devFuncs->vkDestroyImage(dev, m_texImage, nullptr); - m_texImage = VK_NULL_HANDLE; - } - - if (m_texMem) { - m_devFuncs->vkFreeMemory(dev, m_texMem, nullptr); - m_texMem = VK_NULL_HANDLE; - } - - if (m_pipeline) { - m_devFuncs->vkDestroyPipeline(dev, m_pipeline, nullptr); - m_pipeline = VK_NULL_HANDLE; - } - - if (m_pipelineLayout) { - m_devFuncs->vkDestroyPipelineLayout(dev, m_pipelineLayout, nullptr); - m_pipelineLayout = VK_NULL_HANDLE; - } - - if (m_pipelineCache) { - m_devFuncs->vkDestroyPipelineCache(dev, m_pipelineCache, nullptr); - m_pipelineCache = VK_NULL_HANDLE; - } - - if (m_descSetLayout) { - m_devFuncs->vkDestroyDescriptorSetLayout(dev, m_descSetLayout, nullptr); - m_descSetLayout = VK_NULL_HANDLE; - } - - if (m_descPool) { - m_devFuncs->vkDestroyDescriptorPool(dev, m_descPool, nullptr); - m_descPool = VK_NULL_HANDLE; - } - - if (m_buf) { - m_devFuncs->vkDestroyBuffer(dev, m_buf, nullptr); - m_buf = VK_NULL_HANDLE; - } - - if (m_bufMem) { - m_devFuncs->vkFreeMemory(dev, m_bufMem, nullptr); - m_bufMem = VK_NULL_HANDLE; - } -} - -void VulkanRenderer::startNextFrame() -{ - VkDevice dev = m_window->device(); - VkCommandBuffer cb = m_window->currentCommandBuffer(); - const QSize sz = m_window->swapChainImageSize(); - - // Add the necessary barriers and do the host-linear -> device-optimal copy, if not yet done. - ensureTexture(); - - VkClearColorValue clearColor = {{ 0, 0, 0, 1 }}; - VkClearDepthStencilValue clearDS = { 1, 0 }; - VkClearValue clearValues[2]; - memset(clearValues, 0, sizeof(clearValues)); - clearValues[0].color = clearColor; - clearValues[1].depthStencil = clearDS; - - VkRenderPassBeginInfo rpBeginInfo; - memset(&rpBeginInfo, 0, sizeof(rpBeginInfo)); - rpBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; - rpBeginInfo.renderPass = m_window->defaultRenderPass(); - rpBeginInfo.framebuffer = m_window->currentFramebuffer(); - rpBeginInfo.renderArea.extent.width = sz.width(); - rpBeginInfo.renderArea.extent.height = sz.height(); - rpBeginInfo.clearValueCount = 2; - rpBeginInfo.pClearValues = clearValues; - VkCommandBuffer cmdBuf = m_window->currentCommandBuffer(); - m_devFuncs->vkCmdBeginRenderPass(cmdBuf, &rpBeginInfo, VK_SUBPASS_CONTENTS_INLINE); - - quint8 *p; - VkResult err = m_devFuncs->vkMapMemory(dev, m_bufMem, m_uniformBufInfo[m_window->currentFrame()].offset, - UNIFORM_DATA_SIZE, 0, reinterpret_cast<void **>(&p)); - if (err != VK_SUCCESS) - qFatal("Failed to map memory: %d", err); - QMatrix4x4 m = m_proj; - m.rotate(m_rotation, 0, 0, 1); - memcpy(p, m.constData(), 16 * sizeof(float)); - m_devFuncs->vkUnmapMemory(dev, m_bufMem); - - // Not exactly a real animation system, just advance on every frame for now. - m_rotation += 1.0f; - - m_devFuncs->vkCmdBindPipeline(cb, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline); - m_devFuncs->vkCmdBindDescriptorSets(cb, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipelineLayout, 0, 1, - &m_descSet[m_window->currentFrame()], 0, nullptr); - VkDeviceSize vbOffset = 0; - m_devFuncs->vkCmdBindVertexBuffers(cb, 0, 1, &m_buf, &vbOffset); - - VkViewport viewport; - viewport.x = viewport.y = 0; - viewport.width = sz.width(); - viewport.height = sz.height(); - viewport.minDepth = 0; - viewport.maxDepth = 1; - m_devFuncs->vkCmdSetViewport(cb, 0, 1, &viewport); - - VkRect2D scissor; - scissor.offset.x = scissor.offset.y = 0; - scissor.extent.width = viewport.width; - scissor.extent.height = viewport.height; - m_devFuncs->vkCmdSetScissor(cb, 0, 1, &scissor); - - m_devFuncs->vkCmdDraw(cb, 4, 1, 0, 0); - - m_devFuncs->vkCmdEndRenderPass(cmdBuf); - - m_window->frameReady(); - m_window->requestUpdate(); // render continuously, throttled by the presentation rate -} |