Started working on new dynamic state sample
wip
This commit is contained in:
Sascha Willems
parent
727d351b42
commit
07b479aae5
2 changed files with 383 additions and 1 deletions
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@ -97,6 +97,7 @@ set(EXAMPLES
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displacement
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distancefieldfonts
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dynamicrendering
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dynamicstate
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dynamicuniformbuffer
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gears
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geometryshader
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381
examples/dynamicstate/dynamicstate.cpp
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381
examples/dynamicstate/dynamicstate.cpp
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@ -0,0 +1,381 @@
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/*
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* Vulkan Example - Using dynamic state
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*
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* Copyright (C) 2022 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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#include "vulkanexamplebase.h"
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#include "VulkanglTFModel.h"
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#define ENABLE_VALIDATION false
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class VulkanExample: public VulkanExampleBase
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{
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public:
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vkglTF::Model scene;
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vks::Buffer uniformBuffer;
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// Same uniform buffer layout as shader
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struct UBOVS {
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glm::mat4 projection;
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glm::mat4 modelView;
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glm::vec4 lightPos = glm::vec4(0.0f, 2.0f, 1.0f, 0.0f);
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} uboVS;
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VkPipelineLayout pipelineLayout;
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VkDescriptorSet descriptorSet;
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VkDescriptorSetLayout descriptorSetLayout;
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VkPipeline pipeline;
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// This sample demonstrates different dynamic states, so we check and store what extension is available
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bool hasDynamicState = false;
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bool hasDynamicState2 = false;
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bool hasDynamicState3 = false;
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bool hasDynamicVertexState = false;
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VkPhysicalDeviceExtendedDynamicStateFeaturesEXT extendedDynamicStateFeaturesEXT{};
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// Function pointers for dynamic states used in this sample
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// VK_EXT_dynamic_stte
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PFN_vkCmdSetCullModeEXT vkCmdSetCullModeEXT = nullptr;
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PFN_vkCmdSetFrontFaceEXT vkCmdSetFrontFaceEXT = nullptr;
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// Dynamic state UI toggles
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struct DynamicState {
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int32_t cullMode = VK_CULL_MODE_BACK_BIT;
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int32_t frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
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} dynamicState;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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title = "Dynamic state";
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camera.type = Camera::CameraType::lookat;
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camera.setPosition(glm::vec3(0.0f, 0.0f, -10.5f));
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camera.setRotation(glm::vec3(-25.0f, 15.0f, 0.0f));
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camera.setRotationSpeed(0.5f);
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camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f);
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}
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~VulkanExample()
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{
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// Clean up used Vulkan resources
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// Note : Inherited destructor cleans up resources stored in base class
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//vkDestroyPipeline(device, pipelines.phong, nullptr);
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//if (enabledFeatures.fillModeNonSolid)
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//{
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// vkDestroyPipeline(device, pipelines.wireframe, nullptr);
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//}
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//vkDestroyPipeline(device, pipelines.toon, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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uniformBuffer.destroy();
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}
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void buildCommandBuffers()
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{
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VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
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VkClearValue clearValues[2];
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clearValues[0].color = defaultClearColor;
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clearValues[1].depthStencil = { 1.0f, 0 };
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VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
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renderPassBeginInfo.renderPass = renderPass;
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renderPassBeginInfo.renderArea.offset.x = 0;
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renderPassBeginInfo.renderArea.offset.y = 0;
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renderPassBeginInfo.renderArea.extent.width = width;
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renderPassBeginInfo.renderArea.extent.height = height;
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renderPassBeginInfo.clearValueCount = 2;
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renderPassBeginInfo.pClearValues = clearValues;
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for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
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{
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// Set target frame buffer
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renderPassBeginInfo.framebuffer = frameBuffers[i];
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VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
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vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
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vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
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// Apply dynamic states
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if (vkCmdSetCullModeEXT) {
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vkCmdSetCullModeEXT(drawCmdBuffers[i], VkCullModeFlagBits(dynamicState.cullMode));
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}
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if (vkCmdSetFrontFaceEXT) {
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vkCmdSetFrontFaceEXT(drawCmdBuffers[i], VkFrontFace(dynamicState.frontFace));
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}
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
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scene.bindBuffers(drawCmdBuffers[i]);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
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scene.draw(drawCmdBuffers[i]);
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drawUI(drawCmdBuffers[i]);
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vkCmdEndRenderPass(drawCmdBuffers[i]);
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VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
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}
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}
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void loadAssets()
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{
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const uint32_t glTFLoadingFlags = vkglTF::FileLoadingFlags::PreTransformVertices | vkglTF::FileLoadingFlags::PreMultiplyVertexColors | vkglTF::FileLoadingFlags::FlipY;
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scene.loadFromFile(getAssetPath() + "models/treasure_smooth.gltf", vulkanDevice, queue, glTFLoadingFlags);
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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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{
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1)
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo =
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vks::initializers::descriptorPoolCreateInfo(
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poolSizes.size(),
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poolSizes.data(),
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2);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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}
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void setupDescriptorSetLayout()
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{
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
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{
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// Binding 0 : Vertex shader uniform buffer
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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,
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0)
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};
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VkDescriptorSetLayoutCreateInfo descriptorLayout =
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vks::initializers::descriptorSetLayoutCreateInfo(
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setLayoutBindings.data(),
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setLayoutBindings.size());
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
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VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
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vks::initializers::pipelineLayoutCreateInfo(
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
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}
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void setupDescriptorSet()
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{
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VkDescriptorSetAllocateInfo allocInfo =
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vks::initializers::descriptorSetAllocateInfo(
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descriptorPool,
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets =
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{
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// Binding 0 : Vertex shader uniform buffer
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vks::initializers::writeDescriptorSet(
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descriptorSet,
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VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
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0,
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&uniformBuffer.descriptor)
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};
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vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
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}
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void preparePipelines()
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{
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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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VkPipelineColorBlendAttachmentState blendAttachmentState = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
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VkPipelineColorBlendStateCreateInfo colorBlendState = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentState);
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VkPipelineDepthStencilStateCreateInfo depthStencilState = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_TRUE, VK_TRUE, VK_COMPARE_OP_LESS_OR_EQUAL);
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VkPipelineViewportStateCreateInfo viewportState = vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
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VkPipelineMultisampleStateCreateInfo multisampleState = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT);
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std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
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// @todo
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std::vector<VkDynamicState> dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR, VK_DYNAMIC_STATE_LINE_WIDTH, };
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if (hasDynamicState) {
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dynamicStateEnables.push_back(VK_DYNAMIC_STATE_CULL_MODE_EXT);
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dynamicStateEnables.push_back(VK_DYNAMIC_STATE_FRONT_FACE);
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}
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VkPipelineDynamicStateCreateInfo dynamicState = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables);
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VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelineLayout, renderPass);
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pipelineCI.pInputAssemblyState = &inputAssemblyState;
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pipelineCI.pRasterizationState = &rasterizationState;
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pipelineCI.pColorBlendState = &colorBlendState;
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pipelineCI.pMultisampleState = &multisampleState;
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pipelineCI.pViewportState = &viewportState;
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pipelineCI.pDepthStencilState = &depthStencilState;
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pipelineCI.pDynamicState = &dynamicState;
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pipelineCI.stageCount = shaderStages.size();
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pipelineCI.pStages = shaderStages.data();
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pipelineCI.pVertexInputState = vkglTF::Vertex::getPipelineVertexInputState({vkglTF::VertexComponent::Position, vkglTF::VertexComponent::Normal, vkglTF::VertexComponent::Color});
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// Create the graphics pipeline state objects
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// We are using this pipeline as the base for the other pipelines (derivatives)
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// Pipeline derivatives can be used for pipelines that share most of their state
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// Depending on the implementation this may result in better performance for pipeline
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// switching and faster creation time
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pipelineCI.flags = VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT;
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// Textured pipeline
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// Phong shading pipeline
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shaderStages[0] = loadShader(getShadersPath() + "pipelines/phong.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getShadersPath() + "pipelines/phong.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipeline));
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// All pipelines created after the base pipeline will be derivatives
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//pipelineCI.flags = VK_PIPELINE_CREATE_DERIVATIVE_BIT;
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//// Base pipeline will be our first created pipeline
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//pipelineCI.basePipelineHandle = pipeline;
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//// It's only allowed to either use a handle or index for the base pipeline
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//// As we use the handle, we must set the index to -1 (see section 9.5 of the specification)
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//pipelineCI.basePipelineIndex = -1;
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//// Toon shading pipeline
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//shaderStages[0] = loadShader(getShadersPath() + "pipelines/toon.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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//shaderStages[1] = loadShader(getShadersPath() + "pipelines/toon.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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//VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipelines.toon));
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//// Pipeline for wire frame rendering
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//// Non solid rendering is not a mandatory Vulkan feature
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//if (enabledFeatures.fillModeNonSolid)
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//{
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// rasterizationState.polygonMode = VK_POLYGON_MODE_LINE;
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// shaderStages[0] = loadShader(getShadersPath() + "pipelines/wireframe.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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// shaderStages[1] = loadShader(getShadersPath() + "pipelines/wireframe.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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// VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipelines.wireframe));
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//}
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}
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// Prepare and initialize uniform buffer containing shader uniforms
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void prepareUniformBuffers()
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{
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// Create the vertex shader uniform buffer block
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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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&uniformBuffer,
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sizeof(uboVS)));
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// Map persistent
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VK_CHECK_RESULT(uniformBuffer.map());
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updateUniformBuffers();
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}
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void updateUniformBuffers()
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{
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uboVS.projection = camera.matrices.perspective;
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uboVS.modelView = camera.matrices.view;
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memcpy(uniformBuffer.mapped, &uboVS, sizeof(uboVS));
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}
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void draw()
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{
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VulkanExampleBase::prepareFrame();
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
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VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
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VulkanExampleBase::submitFrame();
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}
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void getEnabledExtensions()
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{
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// Enable dynamic stat extensions if present. This function is called after physical and before logical device creation, so we can enabled extensions based on a list of supported extensions
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME);
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extendedDynamicStateFeaturesEXT.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_FEATURES_EXT;
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extendedDynamicStateFeaturesEXT.extendedDynamicState = VK_TRUE;
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deviceCreatepNextChain = &extendedDynamicStateFeaturesEXT;
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}
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME);
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}
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if (vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME);
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}
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if (vulkanDevice->extensionSupported(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME)) {
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enabledDeviceExtensions.push_back(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME);
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}
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}
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void prepare()
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{
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VulkanExampleBase::prepare();
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// Check what dynamic states are supported by the current implementation
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hasDynamicState = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME);
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hasDynamicState2 = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME);
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hasDynamicState3 = vulkanDevice->extensionSupported(VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME);
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hasDynamicVertexState = vulkanDevice->extensionSupported(VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME);
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if (hasDynamicState) {
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vkCmdSetCullModeEXT = reinterpret_cast<PFN_vkCmdSetCullModeEXT>(vkGetDeviceProcAddr(device, "vkCmdSetCullModeEXT"));
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vkCmdSetFrontFaceEXT = reinterpret_cast<PFN_vkCmdSetFrontFaceEXT>(vkGetDeviceProcAddr(device, "vkCmdSetFrontFaceEXT"));
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}
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loadAssets();
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prepareUniformBuffers();
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setupDescriptorSetLayout();
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preparePipelines();
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setupDescriptorPool();
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setupDescriptorSet();
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buildCommandBuffers();
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prepared = true;
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}
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virtual void render()
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{
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if (!prepared)
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return;
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draw();
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if (camera.updated) {
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updateUniformBuffers();
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}
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}
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virtual void viewChanged()
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{
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updateUniformBuffers();
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}
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virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
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{
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bool rebuildCB = false;
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if (overlay->header("Dynamic state")) {
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rebuildCB = overlay->comboBox("Cull mode", &dynamicState.cullMode, { "none", "front", "back" });
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rebuildCB |= overlay->comboBox("Front face", &dynamicState.frontFace, { "Counter clockwise", "Clockwise" });
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}
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if (rebuildCB) {
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buildCommandBuffers();
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}
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}
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};
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VULKAN_EXAMPLE_MAIN()
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