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VulkanDevice.cpp
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VulkanDevice.cpp
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#define GLM_FORCE_RADIANS
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include "VulkanDevice.hpp"
#include <algorithm>
#include <sstream>
#include <utility>
#include "ShapeBuffer.hpp"
#include "VulkanInitializers.hpp"
#include "VulkanInstance.hpp"
#include "VulkanPhysicalDeviceInfo.hpp"
#include "VulkanQueueFamilyIndices.hpp"
#include "VulkanUtil.hpp"
namespace vk {
VulkanDevice::VulkanDevice(std::shared_ptr<vk::VulkanInstance> vulkanInstance, glm::ivec2 tileSize, std::string shaderPath)
: vulkanInstance_(std::move(vulkanInstance)),
tileSize_(tileSize),
shaderPath_(std::move(shaderPath)) {
}
VulkanDevice::~VulkanDevice() {
if (device_ != VK_NULL_HANDLE) {
// Free all the vertex/index buffers
vkDestroyBuffer(device_, shapeBuffer_.vertex.buffer, nullptr);
vkFreeMemory(device_, shapeBuffer_.vertex.memory, nullptr);
vkDestroyBuffer(device_, shapeBuffer_.index.buffer, nullptr);
vkFreeMemory(device_, shapeBuffer_.index.memory, nullptr);
freeRenderSurfaceMemory();
// Destroy sprite images
vkDestroyImage(device_, spriteImageArrayBuffer_.image, nullptr);
vkFreeMemory(device_, spriteImageArrayBuffer_.memory, nullptr);
vkDestroyImageView(device_, spriteImageArrayBuffer_.view, nullptr);
// Destroy shader buffers
vkDestroyBuffer(device_, environmentUniformBuffer_.allocated.buffer, nullptr);
vkUnmapMemory(device_, environmentUniformBuffer_.allocated.memory);
vkFreeMemory(device_, environmentUniformBuffer_.allocated.memory, nullptr);
vkDestroyBuffer(device_, playerInfoSSBOBuffer_.allocated.buffer, nullptr);
vkUnmapMemory(device_, playerInfoSSBOBuffer_.allocated.memory);
vkFreeMemory(device_, playerInfoSSBOBuffer_.allocated.memory, nullptr);
vkDestroyBuffer(device_, objectDataSSBOBuffer_.allocated.buffer, nullptr);
vkUnmapMemory(device_, objectDataSSBOBuffer_.allocated.memory);
vkFreeMemory(device_, objectDataSSBOBuffer_.allocated.memory, nullptr);
if (globalVariableSSBOBuffer_.allocatedSize > 0) {
vkDestroyBuffer(device_, globalVariableSSBOBuffer_.allocated.buffer, nullptr);
vkUnmapMemory(device_, globalVariableSSBOBuffer_.allocated.memory);
vkFreeMemory(device_, globalVariableSSBOBuffer_.allocated.memory, nullptr);
}
if (objectVariableSSBOBuffer_.allocatedSize > 0) {
vkDestroyBuffer(device_, objectVariableSSBOBuffer_.allocated.buffer, nullptr);
vkUnmapMemory(device_, objectVariableSSBOBuffer_.allocated.memory);
vkFreeMemory(device_, objectVariableSSBOBuffer_.allocated.memory, nullptr);
}
vkDestroyCommandPool(device_, commandPool_, nullptr);
vkDestroyDevice(device_, nullptr);
}
}
void VulkanDevice::freeRenderSurfaceMemory() {
// Remove frame buffers
if (colorAttachment_.image != VK_NULL_HANDLE) {
vkDestroyImage(device_, colorAttachment_.image, nullptr);
vkFreeMemory(device_, colorAttachment_.memory, nullptr);
vkDestroyImageView(device_, colorAttachment_.view, nullptr);
}
if (depthAttachment_.image != VK_NULL_HANDLE) {
vkDestroyImage(device_, depthAttachment_.image, nullptr);
vkFreeMemory(device_, depthAttachment_.memory, nullptr);
vkDestroyImageView(device_, depthAttachment_.view, nullptr);
}
if (frameBuffer_ != VK_NULL_HANDLE) {
vkDestroyFramebuffer(device_, frameBuffer_, nullptr);
}
if (renderPass_ != VK_NULL_HANDLE) {
vkDestroyRenderPass(device_, renderPass_, nullptr);
}
// Remove the rendering surface
if (renderedImage_ != VK_NULL_HANDLE) {
vkDestroyImage(device_, renderedImage_, nullptr);
}
if (renderedImageMemory_ != VK_NULL_HANDLE) {
vkFreeMemory(device_, renderedImageMemory_, nullptr);
}
vkDestroyPipeline(device_, renderPipeline_.pipeline, nullptr);
vkDestroyDescriptorPool(device_, renderPipeline_.descriptorPool, nullptr);
vkDestroyPipelineLayout(device_, renderPipeline_.pipelineLayout, nullptr);
vkDestroyDescriptorSetLayout(device_, renderPipeline_.descriptorSetLayout, nullptr);
for (auto& shader : renderPipeline_.shaderStages) {
vkDestroyShaderModule(device_, shader.module, nullptr);
}
vkDestroySampler(device_, renderPipeline_.sampler, nullptr);
} // namespace vk
void VulkanDevice::initDevice(bool useGPU) {
spdlog::debug("Initializing Vulkan Device.");
std::vector<VkPhysicalDevice> physicalDevices = getAvailablePhysicalDevices();
std::vector<VulkanPhysicalDeviceInfo> supportedPhysicalDevices = getSupportedPhysicalDevices(physicalDevices);
if (supportedPhysicalDevices.size() > 0) {
auto physicalDeviceInfo = &supportedPhysicalDevices[0];
spdlog::debug("Using device \"{0}\" for rendering.", physicalDeviceInfo->deviceName);
auto graphicsQueueFamilyIndex = physicalDeviceInfo->queueFamilyIndices.graphicsIndices;
auto computeQueueFamilyIndex = physicalDeviceInfo->queueFamilyIndices.computeIndices;
// Get the device extensions
uint32_t deviceExtensionCount;
vkEnumerateDeviceExtensionProperties(physicalDeviceInfo->physicalDevice, nullptr, &deviceExtensionCount, nullptr);
std::vector<VkExtensionProperties> deviceExtensions(deviceExtensionCount);
vkEnumerateDeviceExtensionProperties(physicalDeviceInfo->physicalDevice, nullptr, &deviceExtensionCount, deviceExtensions.data());
std::vector<const char*> deviceExtensionNames;
for (auto& extension : deviceExtensions) {
deviceExtensionNames.push_back(extension.extensionName);
}
//if portable subset is available, enable it
std::vector<const char*> enabledExtensions;
if (std::find(deviceExtensionNames.begin(), deviceExtensionNames.end(), VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME) != deviceExtensionNames.end()) {
enabledExtensions.push_back(VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME);
}
auto deviceQueueCreateInfo = vk::initializers::deviceQueueCreateInfo(graphicsQueueFamilyIndex, 1.0f);
auto deviceCreateInfo = vk::initializers::deviceCreateInfo(deviceQueueCreateInfo);
deviceCreateInfo.enabledExtensionCount = enabledExtensions.size();
deviceCreateInfo.ppEnabledExtensionNames = enabledExtensions.data();
physicalDevice_ = physicalDeviceInfo->physicalDevice;
spdlog::debug("Creating physical device.");
vk_check(vkCreateDevice(physicalDevice_, &deviceCreateInfo, nullptr, &device_));
vkGetDeviceQueue(device_, computeQueueFamilyIndex, 0, &computeQueue_);
spdlog::debug("Creating command pool.");
auto commandPoolCreateInfo = vk::initializers::commandPoolCreateInfo(computeQueueFamilyIndex);
vk_check(vkCreateCommandPool(device_, &commandPoolCreateInfo, nullptr, &commandPool_));
} else {
spdlog::error("No devices supporting vulkan present for rendering.");
}
shapeBuffer_ = createSpriteShapeBuffer();
isInitialized_ = true;
}
bool VulkanDevice::isInitialized() const {
return isInitialized_;
}
std::vector<uint32_t> VulkanDevice::resetRenderSurface(uint32_t pixelWidth, uint32_t pixelHeight) {
freeRenderSurfaceMemory();
height_ = pixelHeight;
width_ = pixelWidth;
spdlog::debug("Creating colour frame buffer.");
colorAttachment_ = createColorAttachment();
spdlog::debug("Creating depth frame buffer.");
depthAttachment_ = createDepthAttachment();
spdlog::debug("Creating render pass.");
createRenderPass();
spdlog::debug("Allocating offscreen host image data.");
auto imageStrides = allocateHostImageData();
renderPipeline_ = createSpriteRenderPipeline();
spdlog::debug("Render Surface Strides ({0}, {1}, {2}).", imageStrides[0], imageStrides[1], imageStrides[2]);
return imageStrides;
}
VkCommandBuffer VulkanDevice::beginCommandBuffer() {
VkCommandBuffer commandBuffer;
VkCommandBufferAllocateInfo cmdBufAllocateInfo = vk::initializers::commandBufferAllocateInfo(commandPool_, VK_COMMAND_BUFFER_LEVEL_PRIMARY, 1);
vk_check(vkAllocateCommandBuffers(device_, &cmdBufAllocateInfo, &commandBuffer));
VkCommandBufferBeginInfo cmdBufInfo = vk::initializers::commandBufferBeginInfo();
vk_check(vkBeginCommandBuffer(commandBuffer, &cmdBufInfo));
return commandBuffer;
}
void VulkanDevice::startRecordingCommandBuffer() {
assert(("Cannot begin a recording session if already recording.", !renderContext_.isRecording));
if (renderContext_.commandBuffer != VK_NULL_HANDLE) {
vkFreeCommandBuffers(device_, commandPool_, 1, &renderContext_.commandBuffer);
}
vk_check(vkResetCommandPool(device_, commandPool_, VK_COMMAND_POOL_RESET_RELEASE_RESOURCES_BIT));
renderContext_.isRecording = true;
renderContext_.commandBuffer = beginCommandBuffer();
VkClearValue clearValues[2];
clearValues[0].color = {{0.0f, 0.0f, 0.0f, 1.0f}};
clearValues[1].depthStencil = {1.0f, 0};
VkRenderPassBeginInfo renderPassBeginInfo = {};
renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassBeginInfo.renderArea.extent.width = width_;
renderPassBeginInfo.renderArea.extent.height = height_;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
renderPassBeginInfo.renderPass = renderPass_;
renderPassBeginInfo.framebuffer = frameBuffer_;
vkCmdBeginRenderPass(renderContext_.commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = {};
viewport.height = static_cast<float>(height_);
viewport.width = static_cast<float>(width_);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(renderContext_.commandBuffer, 0, 1, &viewport);
// Update dynamic scissor state
VkRect2D scissor = {};
scissor.extent.width = width_;
scissor.extent.height = height_;
vkCmdSetScissor(renderContext_.commandBuffer, 0, 1, &scissor);
vkCmdBindDescriptorSets(renderContext_.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, renderPipeline_.pipelineLayout, 0, 1, &renderPipeline_.descriptorSet, 0, nullptr);
vkCmdBindPipeline(renderContext_.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, renderPipeline_.pipeline);
}
uint32_t VulkanDevice::getSpriteArrayLayer(std::string spriteName) {
if (spriteIndices_.find(spriteName) == spriteIndices_.end()) {
return -1;
} else {
return spriteIndices_.at(spriteName);
}
}
void VulkanDevice::updateObjectPushConstants(uint32_t objectIndex) {
ObjectPushConstants objectPushConstants = {objectIndex};
const VkDeviceSize offsets[1] = {0};
vkCmdBindVertexBuffers(renderContext_.commandBuffer, 0, 1, &shapeBuffer_.vertex.buffer, offsets);
vkCmdBindIndexBuffer(renderContext_.commandBuffer, shapeBuffer_.index.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdPushConstants(renderContext_.commandBuffer, renderPipeline_.pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(ObjectPushConstants), &objectPushConstants);
vkCmdDrawIndexed(renderContext_.commandBuffer, shapeBuffer_.indices, 1, 0, 0, 0);
}
void VulkanDevice::endRecordingCommandBuffer(std::vector<VkRect2D> dirtyRectangles = {}) {
vkCmdEndRenderPass(renderContext_.commandBuffer);
copyImage(renderContext_.commandBuffer, colorAttachment_.image, renderedImage_, dirtyRectangles);
vk_check(vkEndCommandBuffer(renderContext_.commandBuffer));
renderContext_.isRecording = false;
}
void VulkanDevice::copyBufferToImage(VkBuffer bufferSrc, VkImage imageDst, std::vector<VkRect2D> rects, uint32_t arrayLayer) {
auto commandBuffer = beginCommandBuffer();
auto numRects = rects.size();
// Image barrier stuff
vk::insertImageMemoryBarrier(
commandBuffer,
imageDst,
0,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VkImageSubresourceRange{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, arrayLayer, 1});
std::vector<VkBufferImageCopy> imageCopyRegions;
for (auto& rect : rects) {
VkBufferImageCopy region = {};
region.bufferOffset = 0;
region.bufferRowLength = 0;
region.bufferImageHeight = 0;
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.imageSubresource.mipLevel = 0;
region.imageSubresource.baseArrayLayer = arrayLayer;
region.imageSubresource.layerCount = 1;
region.imageOffset = {rect.offset.x, rect.offset.y, 0};
region.imageExtent = {rect.extent.width, rect.extent.height, 1};
imageCopyRegions.push_back(region);
}
vkCmdCopyBufferToImage(
commandBuffer,
bufferSrc,
imageDst,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
numRects,
imageCopyRegions.data());
vk::insertImageMemoryBarrier(
commandBuffer,
imageDst,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_SHADER_READ_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
VkImageSubresourceRange{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, arrayLayer, 1});
vk_check(vkEndCommandBuffer(commandBuffer));
executeCommandBuffer(commandBuffer);
vkFreeCommandBuffers(device_, commandPool_, 1, &commandBuffer);
}
void VulkanDevice::copyImage(VkCommandBuffer commandBuffer, VkImage imageSrc, VkImage imageDst, std::vector<VkRect2D> rects) {
// VkCommandBuffer commandBuffer = beginCommandBuffer();
auto numRects = rects.size();
if (numRects > 0) {
// Transition destination image to transfer destination layout
vk::insertImageMemoryBarrier(
commandBuffer,
imageDst,
0,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VkImageSubresourceRange{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1});
std::vector<VkImageCopy> imageCopyRegions;
for (auto& rect : rects) {
VkImageCopy imageCopyRegion{};
imageCopyRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageCopyRegion.srcSubresource.layerCount = 1;
imageCopyRegion.srcOffset.x = rect.offset.x;
imageCopyRegion.srcOffset.y = rect.offset.y;
imageCopyRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
imageCopyRegion.dstSubresource.layerCount = 1;
imageCopyRegion.dstOffset.x = rect.offset.x;
imageCopyRegion.dstOffset.y = rect.offset.y;
imageCopyRegion.extent.height = rect.extent.height;
imageCopyRegion.extent.width = rect.extent.width;
imageCopyRegion.extent.depth = 1;
imageCopyRegions.push_back(imageCopyRegion);
}
vkCmdCopyImage(
commandBuffer,
imageSrc, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
imageDst, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
numRects,
imageCopyRegions.data());
// Transition destination image to general layout, which is the required layout for mapping the image memory later on
vk::insertImageMemoryBarrier(
commandBuffer,
imageDst,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_MEMORY_READ_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_GENERAL,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VkImageSubresourceRange{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1});
}
}
std::vector<uint32_t> VulkanDevice::allocateHostImageData() {
// Create the linear tiled destination image to copy to and to read the memory from
auto imageBuffer = createImage(width_, height_, 1, colorFormat_, VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_TRANSFER_DST_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_CACHED_BIT);
renderedImage_ = imageBuffer.image;
renderedImageMemory_ = imageBuffer.memory;
// Map image memory so we can start copying from it
vkMapMemory(device_, renderedImageMemory_, 0, VK_WHOLE_SIZE, 0, (void**)&imageRGBA_);
// imageRGB_ = std::shared_ptr<uint8_t>(new uint8_t[width_ * height_ * 4](), std::default_delete<uint8_t[]>());
// Get layout of the image (including row pitch)
VkImageSubresource subResource{};
subResource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkSubresourceLayout subResourceLayout;
vkGetImageSubresourceLayout(device_, renderedImage_, &subResource, &subResourceLayout);
imageRGBA_ += subResourceLayout.offset;
return {1, 4, (uint32_t)subResourceLayout.rowPitch};
}
void VulkanDevice::preloadSprites(std::map<std::string, SpriteData>& spritesData) {
auto arrayLayers = spritesData.size();
spdlog::debug("Preloading {0} sprites", arrayLayers);
spriteImageArrayBuffer_ = createImage(tileSize_.x, tileSize_.y, arrayLayers, colorFormat_, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VkImageViewCreateInfo spriteImageView = vk::initializers::imageViewCreateInfo(colorFormat_, spriteImageArrayBuffer_.image, VK_IMAGE_VIEW_TYPE_2D_ARRAY, VK_IMAGE_ASPECT_COLOR_BIT, arrayLayers);
vk_check(vkCreateImageView(device_, &spriteImageView, nullptr, &spriteImageArrayBuffer_.view));
int layer = 0;
for (auto& spriteToLoad : spritesData) {
auto& spriteInfo = spriteToLoad.second;
auto spriteName = spriteToLoad.first;
VkDeviceSize spriteSize = spriteInfo.width * spriteInfo.height * spriteInfo.channels;
auto imageData = spriteInfo.data.get();
stageToDeviceImage(spriteImageArrayBuffer_.image, imageData, spriteSize, layer);
spriteIndices_.insert({spriteName, layer});
spdlog::debug("Sprite indices: {0}, Idx: {1}", spriteName, layer);
layer++;
}
}
void VulkanDevice::initializeSSBOs(uint32_t globalVariableCount, uint32_t playerCount, uint32_t objectVariableCount, uint32_t maximumObjects) {
spdlog::debug("Initializing environment uniform buffer.");
environmentUniformBuffer_.allocatedSize = sizeof(EnvironmentUniform);
createBuffer(
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
&environmentUniformBuffer_.allocated.buffer,
&environmentUniformBuffer_.allocated.memory,
environmentUniformBuffer_.allocatedSize);
vk_check(vkMapMemory(device_, environmentUniformBuffer_.allocated.memory, 0, environmentUniformBuffer_.allocatedSize, 0, &environmentUniformBuffer_.allocated.mapped));
spdlog::debug("Initializing player info SSBO with max {0} objects", playerCount);
playerInfoSSBOBuffer_.count = playerCount;
playerInfoSSBOBuffer_.paddedSize = calculatedPaddedStructSize<PlayerInfoSSBO>(16);
playerInfoSSBOBuffer_.allocatedSize = playerInfoSSBOBuffer_.paddedSize * playerInfoSSBOBuffer_.count;
createBuffer(
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
&playerInfoSSBOBuffer_.allocated.buffer,
&playerInfoSSBOBuffer_.allocated.memory,
playerInfoSSBOBuffer_.allocatedSize);
vk_check(vkMapMemory(device_, playerInfoSSBOBuffer_.allocated.memory, 0, playerInfoSSBOBuffer_.allocatedSize, 0, &playerInfoSSBOBuffer_.allocated.mapped));
spdlog::debug("Initializing object data SSBO with max {0} objects", maximumObjects);
objectDataSSBOBuffer_.count = maximumObjects;
objectDataSSBOBuffer_.paddedSize = calculatedPaddedStructSize<ObjectDataSSBO>(16);
objectDataSSBOBuffer_.allocatedSize = 16 + objectDataSSBOBuffer_.paddedSize * objectDataSSBOBuffer_.count;
createBuffer(
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
&objectDataSSBOBuffer_.allocated.buffer,
&objectDataSSBOBuffer_.allocated.memory,
objectDataSSBOBuffer_.allocatedSize);
vk_check(vkMapMemory(device_, objectDataSSBOBuffer_.allocated.memory, 0, objectDataSSBOBuffer_.allocatedSize, 0, &objectDataSSBOBuffer_.allocated.mapped));
globalVariableCount_ = globalVariableCount;
if (globalVariableCount > 0) {
spdlog::debug("Initializing global variable SSBO with {0} variables", globalVariableCount);
globalVariableSSBOBuffer_.count = globalVariableCount;
globalVariableSSBOBuffer_.paddedSize = calculatedPaddedStructSize<GlobalVariableSSBO>(4);
globalVariableSSBOBuffer_.allocatedSize = globalVariableSSBOBuffer_.paddedSize * globalVariableSSBOBuffer_.count;
createBuffer(
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
&globalVariableSSBOBuffer_.allocated.buffer,
&globalVariableSSBOBuffer_.allocated.memory,
globalVariableSSBOBuffer_.allocatedSize);
vk_check(vkMapMemory(device_, globalVariableSSBOBuffer_.allocated.memory, 0, globalVariableSSBOBuffer_.allocatedSize, 0, &globalVariableSSBOBuffer_.allocated.mapped));
}
objectVariableCount_ = objectVariableCount;
if (objectVariableCount > 0) {
spdlog::debug("Initializing object variable SSBO with max {0} objects, {1} variables. ", maximumObjects, objectVariableCount);
objectVariableSSBOBuffer_.count = maximumObjects * objectVariableCount;
objectVariableSSBOBuffer_.variableStride = objectVariableCount;
objectVariableSSBOBuffer_.paddedSize = calculatedPaddedStructSize<ObjectVariableSSBO>(4);
objectVariableSSBOBuffer_.allocatedSize = objectVariableSSBOBuffer_.paddedSize * objectVariableSSBOBuffer_.count;
createBuffer(
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_COHERENT_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
&objectVariableSSBOBuffer_.allocated.buffer,
&objectVariableSSBOBuffer_.allocated.memory,
objectVariableSSBOBuffer_.allocatedSize);
vk_check(vkMapMemory(device_, objectVariableSSBOBuffer_.allocated.memory, 0, objectVariableSSBOBuffer_.allocatedSize, 0, &objectVariableSSBOBuffer_.allocated.mapped));
}
}
template <class T>
uint32_t VulkanDevice::calculatedPaddedStructSize(uint32_t minStride) {
uint32_t paddedStructSize = 0;
for (int i = minStride; i < sizeof(T) + minStride; i += minStride) {
paddedStructSize = i;
}
return paddedStructSize;
}
template <class T>
void VulkanDevice::updateContiguousBuffer(std::vector<T> data, uint32_t paddedDataSize, vk::PersistentSSBOBufferAndMemory bufferAndMemory, uint32_t length) {
auto lengthOffset = 0;
// Place a length value at the beginning
if (length > 0) {
lengthOffset = 16;
}
if (length > 0) {
memcpy((static_cast<char*>(bufferAndMemory.mapped)), &length, sizeof(length));
}
// TODO: can this be sped up to a single memcpy?
for (int i = 0; i < data.size(); i++) {
auto offset = i * paddedDataSize + lengthOffset;
memcpy((static_cast<char*>(bufferAndMemory.mapped) + offset), &data[i], paddedDataSize);
}
}
void VulkanDevice::updateObjectBuffer(FrameSSBOData& ssboData) {
uint32_t length = ssboData.objectSSBOData.size();
spdlog::debug("Updating object data storage buffer. {0} objects. padded object size: {1}. update size {2}", length, objectDataSSBOBuffer_.paddedSize, length * objectDataSSBOBuffer_.paddedSize);
// Place a length value at the beginning
auto lengthOffset = 16;
auto paddedDataSize = objectDataSSBOBuffer_.paddedSize;
auto& bufferAndMemory = objectDataSSBOBuffer_.allocated;
auto& objectDataCache = ssboData.objectSSBOData;
memcpy((static_cast<char*>(bufferAndMemory.mapped)), &length, sizeof(length));
for (int i = 0; i < length; i++) {
auto offset = i * paddedDataSize + lengthOffset;
auto& objectSSBOs = objectDataCache[i];
memcpy((static_cast<char*>(bufferAndMemory.mapped) + offset), &objectSSBOs.objectData, paddedDataSize);
}
}
void VulkanDevice::updateObjectVariableBuffer(FrameSSBOData& ssboData) {
uint32_t length = ssboData.objectSSBOData.size();
spdlog::debug("Updating object variable storage buffer. {0} objects. padded variable size: {1}. update size {2}", length, objectVariableSSBOBuffer_.paddedSize, length * objectVariableSSBOBuffer_.paddedSize);
auto& bufferAndMemory = objectVariableSSBOBuffer_.allocated;
auto& objectDataCache = ssboData.objectSSBOData;
auto paddedDataSize = objectVariableSSBOBuffer_.paddedSize;
auto variableStride = objectVariableSSBOBuffer_.variableStride;
for (int i = 0; i < length; i++) {
auto& objectVariables = objectDataCache[i].objectVariables;
for (int j = 0; j < objectVariables.size(); j++) {
auto offset = (i * variableStride + j) * paddedDataSize;
memcpy((static_cast<char*>(bufferAndMemory.mapped) + offset), &objectVariables[j], paddedDataSize);
}
}
} // namespace vk
void VulkanDevice::writePersistentSSBOData(PersistentSSBOData& ssboData) {
// Copy environment data
spdlog::debug("Updating environment data uniform buffer. size: {0}", environmentUniformBuffer_.allocatedSize);
updateContiguousBuffer(std::vector{ssboData.environmentUniform}, environmentUniformBuffer_.allocatedSize, environmentUniformBuffer_.allocated);
}
void VulkanDevice::writeFrameSSBOData(FrameSSBOData& ssboData) {
// Copy global data if its available
spdlog::debug("Updating global variable storage buffer. {0} variables. padded variable size: {1}. update size {2}", globalVariableSSBOBuffer_.count, globalVariableSSBOBuffer_.paddedSize, ssboData.globalVariableSSBOData.size() * globalVariableSSBOBuffer_.paddedSize);
if (globalVariableCount_ > 0) {
updateContiguousBuffer(ssboData.globalVariableSSBOData, globalVariableSSBOBuffer_.paddedSize, globalVariableSSBOBuffer_.allocated);
}
// Copy all player data
spdlog::debug("Updating player info storage buffer. {0} objects. padded object size: {1}. update size {2}", ssboData.playerInfoSSBOData.size(), playerInfoSSBOBuffer_.paddedSize, ssboData.playerInfoSSBOData.size() * playerInfoSSBOBuffer_.paddedSize);
updateContiguousBuffer(ssboData.playerInfoSSBOData, playerInfoSSBOBuffer_.paddedSize, playerInfoSSBOBuffer_.allocated);
// Copy all object data
updateObjectBuffer(ssboData);
// Copy Object Variables
if (objectVariableCount_ > 0) {
updateObjectVariableBuffer(ssboData);
}
}
VkSampler VulkanDevice::createTextureSampler() {
VkSampler textureSampler;
auto samplerCreateInfo = vk::initializers::samplerCreateInfo();
spdlog::debug("Creating texture sampler");
vk_check(vkCreateSampler(device_, &samplerCreateInfo, nullptr, &textureSampler));
return textureSampler;
}
ShapeBuffer VulkanDevice::createSpriteShapeBuffer() {
auto shape = sprite::squareSprite;
// Vertex Buffers
auto vertexBuffer = createVertexBuffers(shape.vertices);
// Index Buffers
auto indexBuffer = createIndexBuffers(shape.indices);
return {shape.indices.size(), vertexBuffer, indexBuffer};
}
template <class V>
BufferAndMemory VulkanDevice::createVertexBuffers(std::vector<V>& vertices) {
const VkDeviceSize vertexBufferSize = vertices.size() * sizeof(V);
VkBuffer vertexBuffer;
VkDeviceMemory vertexMemory;
spdlog::debug("Creating vertex buffer.");
createBuffer(
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
&vertexBuffer,
&vertexMemory,
vertexBufferSize);
stageToDeviceBuffer(vertexBuffer, vertices.data(), vertexBufferSize);
return {vertexBuffer, vertexMemory};
}
BufferAndMemory VulkanDevice::createIndexBuffers(std::vector<uint32_t>& indices) {
const VkDeviceSize indexBufferSize = indices.size() * sizeof(uint32_t);
VkBuffer indexBuffer;
VkDeviceMemory indexMemory;
spdlog::debug("Creating index buffer.");
createBuffer(
VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
&indexBuffer,
&indexMemory,
indexBufferSize);
stageToDeviceBuffer(indexBuffer, indices.data(), indexBufferSize);
return {indexBuffer, indexMemory};
}
void VulkanDevice::stageToDeviceBuffer(VkBuffer& deviceBuffer, void* data, VkDeviceSize bufferSize) {
VkBuffer stagingBuffer;
VkDeviceMemory stagingMemory;
spdlog::debug("Creating staging memory buffers to transfer {0} bytes.", bufferSize);
createBuffer(
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
&stagingBuffer,
&stagingMemory,
bufferSize,
data);
auto commandBuffer = beginCommandBuffer();
VkBufferCopy copyRegion = {};
copyRegion.size = bufferSize;
vkCmdCopyBuffer(commandBuffer, stagingBuffer, deviceBuffer, 1, ©Region);
vk_check(vkEndCommandBuffer(commandBuffer));
executeCommandBuffer(commandBuffer);
vkFreeCommandBuffers(device_, commandPool_, 1, &commandBuffer);
vkDestroyBuffer(device_, stagingBuffer, nullptr);
vkFreeMemory(device_, stagingMemory, nullptr);
spdlog::debug("Done!");
}
void VulkanDevice::stageToDeviceImage(VkImage& deviceImage, void* data, VkDeviceSize bufferSize, uint32_t arrayLayer) {
VkBuffer stagingBuffer;
VkDeviceMemory stagingMemory;
spdlog::debug("Creating staging memory buffers to transfer {0} bytes.", bufferSize);
createBuffer(
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
&stagingBuffer,
&stagingMemory,
bufferSize,
data);
copyBufferToImage(stagingBuffer, deviceImage, {{{0, 0}, {(uint32_t)tileSize_.x, (uint32_t)tileSize_.y}}}, arrayLayer);
vkDestroyBuffer(device_, stagingBuffer, nullptr);
vkFreeMemory(device_, stagingMemory, nullptr);
spdlog::debug("Done!");
}
void VulkanDevice::createBuffer(VkBufferUsageFlags usageFlags, VkMemoryPropertyFlags memoryPropertyFlags, VkBuffer* buffer, VkDeviceMemory* memory, VkDeviceSize size, void* data) {
// Create the buffer handle
VkBufferCreateInfo bufferCreateInfo = vk::initializers::bufferCreateInfo(usageFlags, size);
bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
vk_check(vkCreateBuffer(device_, &bufferCreateInfo, nullptr, buffer));
// Create the memory backing up the buffer handle
VkMemoryRequirements memReqs;
VkMemoryAllocateInfo memAlloc = vk::initializers::memoryAllocateInfo();
vkGetBufferMemoryRequirements(device_, *buffer, &memReqs);
memAlloc.allocationSize = memReqs.size;
memAlloc.memoryTypeIndex = findMemoryTypeIndex(memReqs.memoryTypeBits, memoryPropertyFlags);
vk_check(vkAllocateMemory(device_, &memAlloc, nullptr, memory));
// Initial memory allocation
if (data != nullptr) {
void* mapped;
vk_check(vkMapMemory(device_, *memory, 0, size, 0, &mapped));
memcpy(mapped, data, size);
vkUnmapMemory(device_, *memory);
}
vk_check(vkBindBufferMemory(device_, *buffer, *memory, 0));
}
uint32_t VulkanDevice::findMemoryTypeIndex(uint32_t typeBits, VkMemoryPropertyFlags properties) {
VkPhysicalDeviceMemoryProperties deviceMemoryProperties;
vkGetPhysicalDeviceMemoryProperties(physicalDevice_, &deviceMemoryProperties);
for (uint32_t i = 0; i < deviceMemoryProperties.memoryTypeCount; i++) {
if ((typeBits & 1) == 1) {
if ((deviceMemoryProperties.memoryTypes[i].propertyFlags & properties) == properties) {
return i;
}
}
typeBits >>= 1;
}
spdlog::error("Could not find memory type!");
return 0;
}
std::vector<VulkanPhysicalDeviceInfo>::iterator VulkanDevice::selectPhysicalDevice(bool useGpu, std::vector<VulkanPhysicalDeviceInfo>& supportedDevices) {
for (auto it = supportedDevices.begin(); it != supportedDevices.end(); ++it) {
if (useGpu == it->isGpu) {
return it;
}
}
return supportedDevices.end();
}
DeviceSelection VulkanDevice::getAllowedGPUIdxs() const {
DeviceSelectionOrder deviceSelectionOrder;
if (const char* gpuIdxOrder = std::getenv("GRIDDLY_DEVICE_ORDER")) {
auto gpuIdxOrderString = std::string(gpuIdxOrder);
if (gpuIdxOrderString == "PCI_BUS_ID") {
deviceSelectionOrder = DeviceSelectionOrder::PCI_BUS_ID;
spdlog::debug("GRIDDLY_DEVICE_ORDER: PCI_BUS_ID");
} else {
deviceSelectionOrder = DeviceSelectionOrder::DRIVER_ENUMERATION;
spdlog::debug("GRIDDLY_DEVICE_ORDER: DRIVER_ENUMERATION");
}
} else {
deviceSelectionOrder = DeviceSelectionOrder::DRIVER_ENUMERATION;
}
std::unordered_set<uint8_t> gpuIdxs = {};
if (const char* gpuIdxList = std::getenv("GRIDDLY_VISIBLE_DEVICES")) {
// parse the indexes here
try {
auto end = gpuIdxList + std::strlen(gpuIdxList);
if (std::find(gpuIdxList, end, ',') != end) {
auto gpuIdxListString = std::istringstream(gpuIdxList);
std::string out;
while (std::getline(gpuIdxListString, out, ',')) {
auto visibleDeviceIdx = (uint8_t)atoi(out.c_str());
spdlog::debug("Adding GRIDDLY_VISIBLE_DEVICE: {0}", visibleDeviceIdx);
gpuIdxs.insert(visibleDeviceIdx);
}
} else {
auto visibleDeviceIdx = (uint8_t)atoi(gpuIdxList);
spdlog::debug("Adding GRIDDLY_VISIBLE_DEVICE: {0}", visibleDeviceIdx);
gpuIdxs.insert(visibleDeviceIdx);
}
} catch (std::exception e) {
spdlog::error("Invalid value for GRIDDLY_VISIBLE_DEVICES ({0}). Should be a single integer or a comma seperated list of integers e.g \"0,1\".", gpuIdxList);
}
}
return DeviceSelection{gpuIdxs, deviceSelectionOrder};
}
std::vector<VulkanPhysicalDeviceInfo> VulkanDevice::getSupportedPhysicalDevices(std::vector<VkPhysicalDevice>& physicalDevices) {
// This GPU ID needs to coincide with the GPU Id that cuda uses.
uint8_t gpuIdx = 0;
auto deviceSelection = getAllowedGPUIdxs();
bool limitGpuUsage = deviceSelection.allowedDeviceIndexes.size() > 0;
auto allowedGpuIdx = deviceSelection.allowedDeviceIndexes;
std::vector<VulkanPhysicalDeviceInfo> supportedPhysicalDeviceList;
std::vector<VulkanPhysicalDeviceInfo> physicalDeviceInfoList;
for (auto& physicalDevice : physicalDevices) {
physicalDeviceInfoList.push_back(getPhysicalDeviceInfo(physicalDevice));
}
if (deviceSelection.order == DeviceSelectionOrder::PCI_BUS_ID) {
spdlog::debug("Sorting devices by PCI_BUS_ID ascending");
std::sort(physicalDeviceInfoList.begin(), physicalDeviceInfoList.end(), [](const VulkanPhysicalDeviceInfo& a, const VulkanPhysicalDeviceInfo& b) -> bool { return a.pciBusId < b.pciBusId; });
}
for (auto& physicalDeviceInfo : physicalDeviceInfoList) {
spdlog::debug("Device {0}, isGpu {1}, PCI bus: {2}, isSupported {3}.", physicalDeviceInfo.deviceName, physicalDeviceInfo.isGpu, physicalDeviceInfo.pciBusId, physicalDeviceInfo.isSupported);
if (physicalDeviceInfo.isGpu) {
physicalDeviceInfo.gpuIdx = gpuIdx++;
}
if (physicalDeviceInfo.isSupported) {
if (physicalDeviceInfo.isGpu && limitGpuUsage) {
if (allowedGpuIdx.find(physicalDeviceInfo.gpuIdx) != allowedGpuIdx.end()) {
spdlog::debug("GPU Device {0}, Id: {1}, PCI bus: {2} -> Visible", physicalDeviceInfo.deviceName, physicalDeviceInfo.gpuIdx, physicalDeviceInfo.pciBusId);
supportedPhysicalDeviceList.push_back(physicalDeviceInfo);
}
} else {
supportedPhysicalDeviceList.push_back(physicalDeviceInfo);
}
}
}
return supportedPhysicalDeviceList;
}
std::vector<VkPhysicalDevice> VulkanDevice::getAvailablePhysicalDevices() {
uint32_t deviceCount = 0;
vk_check(vkEnumeratePhysicalDevices(vulkanInstance_->getInstance(), &deviceCount, nullptr));
std::vector<VkPhysicalDevice> physicalDevices(deviceCount);
vk_check(vkEnumeratePhysicalDevices(vulkanInstance_->getInstance(), &deviceCount, physicalDevices.data()));
return physicalDevices;
}
VulkanPhysicalDeviceInfo VulkanDevice::getPhysicalDeviceInfo(VkPhysicalDevice& physicalDevice) {
VulkanQueueFamilyIndices queueFamilyIndices;
VkPhysicalDevicePCIBusInfoPropertiesEXT devicePCIBusInfo{};
devicePCIBusInfo.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PCI_BUS_INFO_PROPERTIES_EXT;
VkPhysicalDeviceProperties2 deviceProperties2 = {
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
&devicePCIBusInfo};
vkGetPhysicalDeviceProperties2(physicalDevice, &deviceProperties2);
auto deviceProperties = deviceProperties2.properties;
auto deviceName = deviceProperties.deviceName;
spdlog::debug("Device found {0}, PCI Bus: {1}. checking for Vulkan support...", deviceName, devicePCIBusInfo.pciBus);
bool isGpu = deviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU;
bool isSupported = hasQueueFamilySupport(physicalDevice, queueFamilyIndices);
uint8_t pciBusId = devicePCIBusInfo.pciBus;
return {
physicalDevice,
std::string(deviceName),
isGpu,
isSupported,
0,
pciBusId,
queueFamilyIndices};
}
bool VulkanDevice::hasQueueFamilySupport(VkPhysicalDevice& device, VulkanQueueFamilyIndices& queueFamilyIndices) {
uint32_t queueFamilyCount;
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
std::vector<VkQueueFamilyProperties> queueFamilyProperties(queueFamilyCount);
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilyProperties.data());
uint32_t i = 0;
for (auto& queueFamily : queueFamilyProperties) {
if (queueFamily.queueCount > 0) {
if (queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
queueFamilyIndices.graphicsIndices = i;
}
if (queueFamily.queueFlags & VK_QUEUE_COMPUTE_BIT) {
queueFamilyIndices.computeIndices = i;
}
}
if (queueFamilyIndices.graphicsIndices < UINT32_MAX && queueFamilyIndices.computeIndices < UINT32_MAX) {
return true;
}
i++;
}
return false;
}
FrameBufferAttachment VulkanDevice::createDepthAttachment() {
FrameBufferAttachment depthAttachment;
getSupportedDepthFormat(physicalDevice_, &depthFormat_);
auto imageBuffer = createImage(
width_,
height_,
1,
depthFormat_,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
depthAttachment.image = imageBuffer.image;
depthAttachment.memory = imageBuffer.memory;
VkImageViewCreateInfo depthStencilView = vk::initializers::imageViewCreateInfo(depthFormat_, depthAttachment.image, VK_IMAGE_VIEW_TYPE_2D, VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
vk_check(vkCreateImageView(device_, &depthStencilView, nullptr, &depthAttachment.view));
return depthAttachment;
}
FrameBufferAttachment VulkanDevice::createColorAttachment() {
FrameBufferAttachment colorAttachment;
auto imageBuffer = createImage(
width_,
height_,
1,
colorFormat_,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
colorAttachment.image = imageBuffer.image;
colorAttachment.memory = imageBuffer.memory;
VkImageViewCreateInfo colorImageView = vk::initializers::imageViewCreateInfo(colorFormat_, colorAttachment.image, VK_IMAGE_VIEW_TYPE_2D, VK_IMAGE_ASPECT_COLOR_BIT);
vk_check(vkCreateImageView(device_, &colorImageView, nullptr, &colorAttachment.view));
return colorAttachment;
}
ImageBuffer VulkanDevice::createImage(uint32_t width, uint32_t height, uint32_t arrayLayers, VkFormat& format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags properties) {
VkImage image;
VkDeviceMemory memory;
VkImageCreateInfo imageInfo = vk::initializers::imageCreateInfo(width, height, arrayLayers, format, tiling, usage);
vk_check(vkCreateImage(device_, &imageInfo, nullptr, &image));
VkMemoryRequirements memRequirements;
VkMemoryAllocateInfo memAllocInfo(vk::initializers::memoryAllocateInfo());
vkGetImageMemoryRequirements(device_, image, &memRequirements);
memAllocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
memAllocInfo.allocationSize = memRequirements.size;
memAllocInfo.memoryTypeIndex = findMemoryTypeIndex(memRequirements.memoryTypeBits, properties);
vk_check(vkAllocateMemory(device_, &memAllocInfo, nullptr, &memory));
vk_check(vkBindImageMemory(device_, image, memory, 0));
return {image, memory};
}
void VulkanDevice::createRenderPass() {
std::vector<VkAttachmentDescription> attachmentDescriptions = {};
// Color attachment
VkAttachmentDescription colorAttachmentDescription = {};
colorAttachmentDescription.format = colorFormat_;
colorAttachmentDescription.samples = VK_SAMPLE_COUNT_1_BIT;
colorAttachmentDescription.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
colorAttachmentDescription.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
colorAttachmentDescription.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
colorAttachmentDescription.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
colorAttachmentDescription.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
colorAttachmentDescription.finalLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
attachmentDescriptions.push_back(colorAttachmentDescription);
VkAttachmentDescription depthAttachmentDescription = {};