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Implemented Depth Buffering

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Ano-sys
2025-04-05 23:37:38 +02:00
parent 6d986f496e
commit b458f432ff
3 changed files with 145 additions and 40 deletions
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vulkan/vulkan_app.cpp
+118 -25
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@@ -408,7 +408,7 @@ namespace vapp{
swapChainImageViews.resize(swapChainImages.size());
for(uint32_t i = 0; i < swapChainImages.size(); i++){
swapChainImageViews[i] = createImageView(swapChainImages[i], swapChainImageFormat);
swapChainImageViews[i] = createImageView(swapChainImages[i], swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT);
}
}
@@ -439,14 +439,13 @@ namespace vapp{
}
void Vulkan::createGraphicsPipeline(){
// TODO: find solution for file location
std::vector<char> vertShaderCode;
std::vector<char> fragShaderCode;
try{
vertShaderCode = readFile("shaders/shader.vert.spv");
fragShaderCode = readFile("shaders/shader.frag.spv");
}
catch(std::exception e){
catch(const std::exception &e){
std::cout << "Failed to read ./shaders/...\nTrying fallback folders!\n";
vertShaderCode = readFile("../shaders/shader.vert.spv");
fragShaderCode = readFile("../shaders/shader.frag.spv");
@@ -553,6 +552,18 @@ namespace vapp{
colorBlending.attachmentCount = 1;
colorBlending.pAttachments = &colorBlendAttachment;
VkPipelineDepthStencilStateCreateInfo depthStencil{};
depthStencil.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
depthStencil.depthTestEnable = VK_TRUE;
depthStencil.depthWriteEnable = VK_TRUE;
depthStencil.depthCompareOp = VK_COMPARE_OP_LESS;
depthStencil.depthBoundsTestEnable = VK_FALSE;
depthStencil.minDepthBounds = 0.0f;
depthStencil.maxDepthBounds = 1.0f;
depthStencil.stencilTestEnable = VK_FALSE;
depthStencil.front = {};
depthStencil.back = {};
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipelineLayoutInfo.setLayoutCount = 1;
@@ -575,6 +586,7 @@ namespace vapp{
pipelineInfo.pDepthStencilState = nullptr; // Optional because {} as initializer
pipelineInfo.pColorBlendState = &colorBlending;
pipelineInfo.pDynamicState = &dynamicState;
pipelineInfo.pDepthStencilState = &depthStencil;
pipelineInfo.layout = pipelineLayout;
pipelineInfo.renderPass = renderPass;
pipelineInfo.subpass = 0;
@@ -608,6 +620,20 @@ namespace vapp{
}
void Vulkan::createRenderPass(){
VkAttachmentDescription depthAttachment{};
depthAttachment.format = findDepthFormat();
depthAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
depthAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
depthAttachment.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
depthAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachment.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
depthAttachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentReference depthAttachmentRef{};
depthAttachmentRef.attachment = 1;
depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentDescription colorAttachment{};
colorAttachment.format = swapChainImageFormat;
colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
@@ -626,19 +652,22 @@ namespace vapp{
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &colorAttachmentRef;
subpass.pDepthStencilAttachment = &depthAttachmentRef;
VkSubpassDependency dependency{};
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
dependency.dstSubpass = 0;
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
dependency.srcAccessMask = 0;
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;;
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;;
std::array<VkAttachmentDescription, 2> attachments = { colorAttachment, depthAttachment };
VkRenderPassCreateInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = 1;
renderPassInfo.pAttachments = &colorAttachment;
renderPassInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
renderPassInfo.pAttachments = attachments.data();
renderPassInfo.subpassCount = 1;
renderPassInfo.pSubpasses = &subpass;
renderPassInfo.dependencyCount = 1;
@@ -649,23 +678,23 @@ namespace vapp{
}
}
void Vulkan::createFrameBuffers(){
void Vulkan::createFramebuffers(){
swapChainFramebuffers.resize(swapChainImageViews.size());
for(size_t i = 0; i < swapChainImageViews.size(); i++){
VkImageView attachements[] = {swapChainImageViews[i]};
std::array<VkImageView, 2> attachments = { swapChainImageViews[i], depthImageView };
VkFramebufferCreateInfo framebufferInfo{};
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebufferInfo.renderPass = renderPass;
framebufferInfo.attachmentCount = 1;
framebufferInfo.pAttachments = attachements;
framebufferInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
framebufferInfo.pAttachments = attachments.data();
framebufferInfo.width = swapChainExtent.width;
framebufferInfo.height = swapChainExtent.height;
framebufferInfo.layers = 1;
if(vkCreateFramebuffer(device, &framebufferInfo, nullptr, &swapChainFramebuffers[i]) != VK_SUCCESS){
throw std::runtime_error("Func: createFrameBuffers\nError: Failed to create Framebuffer!\n");
throw std::runtime_error("Func: createFramebuffers\nError: Failed to create Framebuffer!\n");
}
}
}
@@ -682,6 +711,44 @@ namespace vapp{
}
}
VkFormat Vulkan::findSupportedFormat(const std::vector<VkFormat> &candidates, VkImageTiling tiling, VkFormatFeatureFlags features){
for(VkFormat format : candidates){
VkFormatProperties props;
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &props);
if(tiling == VK_IMAGE_TILING_LINEAR && (props.linearTilingFeatures & features) == features){
return format;
}
if(tiling == VK_IMAGE_TILING_OPTIMAL && (props.optimalTilingFeatures & features) == features){
return format;
}
throw std::runtime_error("Func: findSupportedFormat\nError: Failed to find supported Format!\n");
}
}
VkFormat Vulkan::findDepthFormat(){
return findSupportedFormat(
{ VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT, VK_FORMAT_D24_UNORM_S8_UINT },
VK_IMAGE_TILING_OPTIMAL,
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT
);
}
bool hasStencilComponent(VkFormat format){
return format == VK_FORMAT_D32_SFLOAT_S8_UINT || format == VK_FORMAT_D24_UNORM_S8_UINT;
}
void Vulkan::createDepthResources(){
VkFormat depthFormat = findDepthFormat();
createImage(swapChainExtent.width, swapChainExtent.height, depthFormat, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, depthImage, depthImageMemory);
depthImageView = createImageView(depthImage, depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT);
transitionImageLayout(depthImage, depthFormat, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
}
VkCommandBuffer Vulkan::beginSingleTimeCommands(){
VkCommandBufferAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
@@ -737,7 +804,18 @@ namespace vapp{
barrier.image = image;
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
if(newLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL){
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
if(hasStencilComponent(format)){
barrier.subresourceRange.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
}
}
else{
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
}
barrier.subresourceRange.baseMipLevel = 0;
barrier.subresourceRange.levelCount = 1;
barrier.subresourceRange.baseArrayLayer = 0;
@@ -760,6 +838,13 @@ namespace vapp{
sourceStage = VK_PIPELINE_STAGE_TRANSFER_BIT;
destinationStage = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
}
else if(oldLayout == VK_IMAGE_LAYOUT_UNDEFINED && newLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL){
barrier.srcAccessMask = 0;
barrier.dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
destinationStage = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
}
else{
throw std::invalid_argument("Func: transitionImageLayout\nError: Unsupported Layout Transition!\n");
}
@@ -788,7 +873,7 @@ namespace vapp{
endSingleTimeCommands(commandBuffer);
}
void Vulkan::createImage(uint32_t width, uint32_t height, VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags properties, VkImage& image, VkDeviceMemory &imageMemory){
void Vulkan::createImage(uint32_t width, uint32_t height, VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags properties, VkImage &image, VkDeviceMemory &imageMemory){
VkImageCreateInfo imageInfo{};
imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageInfo.imageType = VK_IMAGE_TYPE_2D; // 3D is used to store voxel volumes
@@ -851,13 +936,13 @@ namespace vapp{
vkFreeMemory(device, stagingBufferMemory, nullptr);
}
VkImageView Vulkan::createImageView(VkImage image, VkFormat format){
VkImageView Vulkan::createImageView(VkImage image, VkFormat format, VkImageAspectFlags aspectFlags){
VkImageViewCreateInfo viewInfo{};
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewInfo.image = image;
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = VK_FORMAT_R8G8B8A8_SRGB;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
viewInfo.format = format;
viewInfo.subresourceRange.aspectMask = aspectFlags;
viewInfo.subresourceRange.baseMipLevel = 0;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.baseArrayLayer = 0;
@@ -872,7 +957,7 @@ namespace vapp{
}
void Vulkan::createTextureImageView(){
textureImageView = createImageView(textureImage, VK_FORMAT_R8G8B8A8_SRGB);
textureImageView = createImageView(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_ASPECT_COLOR_BIT);
}
void Vulkan::createTextureSampler(){
@@ -1128,9 +1213,12 @@ namespace vapp{
renderPassInfo.renderArea.offset = {0, 0};
renderPassInfo.renderArea.extent = swapChainExtent;
VkClearValue clearColor = {{{0.01f, 0.01f, 0.01f, 1.0f}}}; // Background color after clear (Black 100%)
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = &clearColor;
std::array<VkClearValue, 2> clearValues{};
clearValues[0].color = {{0.01f, 0.01f, 0.01f, 1.0f}}; // Background color after clear (Black 100%)
clearValues[1].depthStencil = { 1.0f, 0 };
renderPassInfo.clearValueCount = static_cast<uint32_t>(clearValues.size());
renderPassInfo.pClearValues = clearValues.data();
vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
@@ -1268,6 +1356,10 @@ namespace vapp{
}
void Vulkan::cleanupSwapChain(){
vkDestroyImageView(device, depthImageView, nullptr);
vkDestroyImage(device, depthImage, nullptr);
vkFreeMemory(device, depthImageMemory, nullptr);
for(const auto & swapChainFramebuffer : swapChainFramebuffers)
{ vkDestroyFramebuffer(device, swapChainFramebuffer, nullptr); }
for(const auto & swapChainImageView : swapChainImageViews)
@@ -1278,7 +1370,6 @@ namespace vapp{
void Vulkan::recreateSwapChain(){
int width = 0, height = 0;
glfwGetFramebufferSize(window, &width, &height);
while(width == 0 || height == 0){
glfwGetFramebufferSize(window, &width, &height);
glfwPollEvents();
@@ -1290,7 +1381,8 @@ namespace vapp{
createSwapChain();
createImageViews();
createFrameBuffers();
createDepthResources();
createFramebuffers();
}
static void framebufferResizeCallback(GLFWwindow *window, int width, int height){
@@ -1318,8 +1410,9 @@ namespace vapp{
createRenderPass();
createDescriptorSetLayout();
createGraphicsPipeline();
createFrameBuffers();
createCommandPool();
createDepthResources();
createFramebuffers();
createTextureImage();
createTextureImageView();
createTextureSampler();