Code cleanup
This commit is contained in:
Sascha Willems
parent
8143b2d9e5
commit
8238547d5b
1 changed files with 140 additions and 214 deletions
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@ -1,5 +1,5 @@
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/*
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* Vulkan Example - Order Independent Transparency rendering
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* Vulkan Example - Order Independent Transparency rendering using linked lists
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*
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* Copyright by Sascha Willems - www.saschawillems.de
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* Copyright by Daemyung Jang - dm86.jang@gmail.com
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@ -20,33 +20,30 @@ public:
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vkglTF::Model cube;
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} models;
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struct {
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vks::Buffer renderPass;
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} uniformBuffers;
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struct Node {
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glm::vec4 color;
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float depth;
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uint32_t next;
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float depth{ 0.0f };
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uint32_t next{ 0 };
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};
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struct {
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uint32_t count;
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uint32_t maxNodeCount;
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uint32_t count{ 0 };
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uint32_t maxNodeCount{ 0 };
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} geometrySBO;
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struct GeometryPass {
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VkRenderPass renderPass;
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VkFramebuffer framebuffer;
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VkRenderPass renderPass{ VK_NULL_HANDLE };
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VkFramebuffer framebuffer{ VK_NULL_HANDLE };
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vks::Buffer geometry;
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vks::Texture headIndex;
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vks::Buffer linkedList;
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} geometryPass;
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struct {
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struct RenderPassUniformData {
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glm::mat4 projection;
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glm::mat4 view;
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} renderPassUBO;
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} renderPassUniformData;
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vks::Buffer renderPassUniformBuffer;
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struct ObjectData {
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glm::mat4 model;
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@ -54,25 +51,27 @@ public:
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};
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struct {
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VkDescriptorSetLayout geometry;
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VkDescriptorSetLayout color;
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VkDescriptorSetLayout geometry{ VK_NULL_HANDLE };
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VkDescriptorSetLayout color{ VK_NULL_HANDLE };
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} descriptorSetLayouts;
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struct {
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VkPipelineLayout geometry;
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VkPipelineLayout color;
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VkPipelineLayout geometry{ VK_NULL_HANDLE };
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VkPipelineLayout color{ VK_NULL_HANDLE };
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} pipelineLayouts;
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struct {
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VkPipeline geometry;
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VkPipeline color;
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VkPipeline geometry{ VK_NULL_HANDLE };
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VkPipeline color{ VK_NULL_HANDLE };
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} pipelines;
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struct {
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VkDescriptorSet geometry;
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VkDescriptorSet color;
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VkDescriptorSet geometry{ VK_NULL_HANDLE };
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VkDescriptorSet color{ VK_NULL_HANDLE };
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} descriptorSets;
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VkDeviceSize objectUniformBufferSize{ 0 };
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VulkanExample() : VulkanExampleBase()
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{
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title = "Order independent transparency rendering";
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@ -84,22 +83,21 @@ public:
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~VulkanExample()
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{
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vkDestroyPipeline(device, pipelines.geometry, nullptr);
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vkDestroyPipeline(device, pipelines.color, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayouts.geometry, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayouts.color, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.geometry, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.color, nullptr);
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destroyGeometryPass();
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uniformBuffers.renderPass.destroy();
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if (device) {
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vkDestroyPipeline(device, pipelines.geometry, nullptr);
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vkDestroyPipeline(device, pipelines.color, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayouts.geometry, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayouts.color, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.geometry, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.color, nullptr);
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destroyGeometryPass();
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renderPassUniformBuffer.destroy();
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}
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}
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void getEnabledFeatures() override
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{
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// The linked lists are built in a fragment shader using atomic stores, so the sample won't work without that feature available
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if (deviceFeatures.fragmentStoresAndAtomics) {
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enabledFeatures.fragmentStoresAndAtomics = VK_TRUE;
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} else {
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@ -107,45 +105,6 @@ public:
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}
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};
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void prepare() override
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{
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VulkanExampleBase::prepare();
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loadAssets();
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prepareUniformBuffers();
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prepareGeometryPass();
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setupDescriptorSetLayout();
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preparePipelines();
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setupDescriptorPool();
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setupDescriptorSets();
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buildCommandBuffers();
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updateUniformBuffers();
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prepared = true;
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}
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void render() override
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{
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if (!prepared)
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return;
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draw();
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}
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void windowResized() override
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{
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destroyGeometryPass();
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prepareGeometryPass();
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vkResetDescriptorPool(device, descriptorPool, 0);
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setupDescriptorSets();
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resized = false;
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buildCommandBuffers();
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}
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void viewChanged() override
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{
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updateUniformBuffers();
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}
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private:
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void loadAssets()
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{
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const uint32_t glTFLoadingFlags = vkglTF::FileLoadingFlags::PreTransformVertices | vkglTF::FileLoadingFlags::FlipY;
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@ -156,13 +115,8 @@ private:
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void prepareUniformBuffers()
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{
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// Create an uniform buffer for a render pass.
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VK_CHECK_RESULT(vulkanDevice->createBuffer(
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VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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&uniformBuffers.renderPass,
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sizeof(renderPassUBO)));
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VK_CHECK_RESULT(uniformBuffers.renderPass.map());
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VK_CHECK_RESULT(vulkanDevice->createBuffer(VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &renderPassUniformBuffer, sizeof(RenderPassUniformData)));
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VK_CHECK_RESULT(renderPassUniformBuffer.map());
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}
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void prepareGeometryPass()
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@ -311,36 +265,81 @@ private:
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VK_CHECK_RESULT(vkQueueWaitIdle(queue));
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}
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void setupDescriptorSetLayout()
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void setupDescriptors()
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{
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// Create a geometry descriptor set layout.
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
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// RenderPassUBO
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
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VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT,
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0),
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// AtomicSBO
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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VK_SHADER_STAGE_FRAGMENT_BIT,
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1),
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// headIndexImage
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
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VK_SHADER_STAGE_FRAGMENT_BIT,
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2),
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// LinkedListSBO
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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VK_SHADER_STAGE_FRAGMENT_BIT,
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3),
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// Pool
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std::vector<VkDescriptorPoolSize> poolSizes = {
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1),
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 3),
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 2),
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo = vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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// Layouts
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// Create a geometry descriptor set layout
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
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// renderPassUniformData
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0),
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// AtomicSBO
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, VK_SHADER_STAGE_FRAGMENT_BIT, 1),
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// headIndexImage
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, VK_SHADER_STAGE_FRAGMENT_BIT, 2),
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// LinkedListSBO
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, VK_SHADER_STAGE_FRAGMENT_BIT, 3),
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};
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VkDescriptorSetLayoutCreateInfo descriptorLayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayoutCI, nullptr, &descriptorSetLayouts.geometry));
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// Create a geometry pipeline layout.
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// Create a color descriptor set layout
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setLayoutBindings = {
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// headIndexImage
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, VK_SHADER_STAGE_FRAGMENT_BIT, 0),
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// LinkedListSBO
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, VK_SHADER_STAGE_FRAGMENT_BIT, 1),
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};
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descriptorLayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayoutCI, nullptr, &descriptorSetLayouts.color));
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// Sets
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VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.geometry, 1);
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// Update a geometry descriptor set
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.geometry));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
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// Binding 0: renderPassUniformData
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vks::initializers::writeDescriptorSet(descriptorSets.geometry, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &renderPassUniformBuffer.descriptor),
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// Binding 2: GeometrySBO
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vks::initializers::writeDescriptorSet(descriptorSets.geometry, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, &geometryPass.geometry.descriptor),
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// Binding 3: headIndexImage
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vks::initializers::writeDescriptorSet(descriptorSets.geometry, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 2, &geometryPass.headIndex.descriptor),
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// Binding 4: LinkedListSBO
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vks::initializers::writeDescriptorSet(descriptorSets.geometry, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 3, &geometryPass.linkedList.descriptor)
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};
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vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
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// Update a color descriptor set
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allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayouts.color, 1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.color));
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writeDescriptorSets = {
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// Binding 0: headIndexImage
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vks::initializers::writeDescriptorSet(descriptorSets.color, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 0, &geometryPass.headIndex.descriptor),
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// Binding 1: LinkedListSBO
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vks::initializers::writeDescriptorSet(descriptorSets.color, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, &geometryPass.linkedList.descriptor)
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};
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vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, nullptr);
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}
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void preparePipelines()
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{
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// Layouts
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// Create a geometry pipeline layout
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VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayouts.geometry, 1);
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// Static object data passed using push constants
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VkPushConstantRange pushConstantRange = vks::initializers::pushConstantRange(VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(ObjectData), 0);
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@ -348,30 +347,11 @@ private:
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pipelineLayoutCI.pPushConstantRanges = &pushConstantRange;
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayouts.geometry));
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// Create a color descriptor set layout.
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setLayoutBindings = {
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// headIndexImage
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
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VK_SHADER_STAGE_FRAGMENT_BIT,
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0),
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// LinkedListSBO
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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VK_SHADER_STAGE_FRAGMENT_BIT,
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1),
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};
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descriptorLayoutCI = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayoutCI, nullptr, &descriptorSetLayouts.color));
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// Create a color pipeline layout.
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// Create a color pipeline layout
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pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayouts.color, 1);
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayouts.color));
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}
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void preparePipelines()
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{
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// Pipelines
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VkPipelineInputAssemblyStateCreateInfo inputAssemblyState = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
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VkPipelineRasterizationStateCreateInfo rasterizationState = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_COUNTER_CLOCKWISE, 0);
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VkPipelineColorBlendStateCreateInfo colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(0, nullptr);
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@ -382,7 +362,6 @@ private:
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VkPipelineDynamicStateCreateInfo dynamicState = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables);
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std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
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// Create a geometry pipeline.
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VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelineLayouts.geometry, geometryPass.renderPass);
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pipelineCI.pInputAssemblyState = &inputAssemblyState;
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pipelineCI.pRasterizationState = &rasterizationState;
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@ -395,12 +374,13 @@ private:
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pipelineCI.pStages = shaderStages.data();
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pipelineCI.pVertexInputState = vkglTF::Vertex::getPipelineVertexInputState({ vkglTF::VertexComponent::Position });
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// Create a geometry pipeline
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shaderStages[0] = loadShader(getShadersPath() + "oit/geometry.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getShadersPath() + "oit/geometry.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipelines.geometry));
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// Create a color pipeline.
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// Create a color pipeline
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VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
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colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState);
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@ -427,88 +407,6 @@ private:
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipelines.color));
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}
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void setupDescriptorPool()
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{
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std::vector<VkDescriptorPoolSize> poolSizes = {
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1),
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 3),
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 2),
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo =
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vks::initializers::descriptorPoolCreateInfo(poolSizes, 2);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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}
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void setupDescriptorSets()
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{
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// Update a geometry descriptor set
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VkDescriptorSetAllocateInfo allocInfo =
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vks::initializers::descriptorSetAllocateInfo(
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descriptorPool,
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&descriptorSetLayouts.geometry,
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1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.geometry));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
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// Binding 0: RenderPassUBO
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vks::initializers::writeDescriptorSet(
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descriptorSets.geometry,
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VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
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0,
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&uniformBuffers.renderPass.descriptor),
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// Binding 2: GeometrySBO
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vks::initializers::writeDescriptorSet(
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descriptorSets.geometry,
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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1,
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&geometryPass.geometry.descriptor),
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// Binding 3: headIndexImage
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vks::initializers::writeDescriptorSet(
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descriptorSets.geometry,
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VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
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2,
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&geometryPass.headIndex.descriptor),
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// Binding 4: LinkedListSBO
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vks::initializers::writeDescriptorSet(
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descriptorSets.geometry,
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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3,
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&geometryPass.linkedList.descriptor)
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};
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vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, NULL);
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// Update a color descriptor set.
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allocInfo =
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vks::initializers::descriptorSetAllocateInfo(
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descriptorPool,
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&descriptorSetLayouts.color,
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1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSets.color));
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writeDescriptorSets = {
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// Binding 0: headIndexImage
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vks::initializers::writeDescriptorSet(
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descriptorSets.color,
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VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
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0,
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&geometryPass.headIndex.descriptor),
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// Binding 1: LinkedListSBO
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vks::initializers::writeDescriptorSet(
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descriptorSets.color,
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VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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1,
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&geometryPass.linkedList.descriptor)
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};
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vkUpdateDescriptorSets(device, static_cast<uint32_t>(writeDescriptorSets.size()), writeDescriptorSets.data(), 0, NULL);
|
||||
}
|
||||
|
||||
void buildCommandBuffers() override
|
||||
{
|
||||
if (resized)
|
||||
|
|
@ -631,9 +529,22 @@ private:
|
|||
|
||||
void updateUniformBuffers()
|
||||
{
|
||||
renderPassUBO.projection = camera.matrices.perspective;
|
||||
renderPassUBO.view = camera.matrices.view;
|
||||
memcpy(uniformBuffers.renderPass.mapped, &renderPassUBO, sizeof(renderPassUBO));
|
||||
renderPassUniformData.projection = camera.matrices.perspective;
|
||||
renderPassUniformData.view = camera.matrices.view;
|
||||
memcpy(renderPassUniformBuffer.mapped, &renderPassUniformData, sizeof(RenderPassUniformData));
|
||||
}
|
||||
|
||||
void prepare() override
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
prepareUniformBuffers();
|
||||
prepareGeometryPass();
|
||||
setupDescriptors();
|
||||
preparePipelines();
|
||||
buildCommandBuffers();
|
||||
updateUniformBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
void draw()
|
||||
|
|
@ -645,6 +556,24 @@ private:
|
|||
VulkanExampleBase::submitFrame();
|
||||
}
|
||||
|
||||
void render() override
|
||||
{
|
||||
if (!prepared)
|
||||
return;
|
||||
updateUniformBuffers();
|
||||
draw();
|
||||
}
|
||||
|
||||
void windowResized() override
|
||||
{
|
||||
destroyGeometryPass();
|
||||
prepareGeometryPass();
|
||||
vkResetDescriptorPool(device, descriptorPool, 0);
|
||||
setupDescriptors();
|
||||
resized = false;
|
||||
buildCommandBuffers();
|
||||
}
|
||||
|
||||
void destroyGeometryPass()
|
||||
{
|
||||
vkDestroyRenderPass(device, geometryPass.renderPass, nullptr);
|
||||
|
|
@ -653,9 +582,6 @@ private:
|
|||
geometryPass.headIndex.destroy();
|
||||
geometryPass.linkedList.destroy();
|
||||
}
|
||||
|
||||
private:
|
||||
VkDeviceSize objectUniformBufferSize;
|
||||
};
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue