完成图形管线固定功能设置
parent
14905da5ad
commit
a5df364c00
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@ -98,7 +98,7 @@ void HelloTriangleApplication::initVulkan() {
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createInstance();
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showAvailableExtension();
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//showAvailableExtension();
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setupDebugMessenger();
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@ -130,6 +130,10 @@ void HelloTriangleApplication::mainLoop(GLFWwindow* window){
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void HelloTriangleApplication::cleanup(GLFWwindow* window) {
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std::cout << "start to destroy resource" << std::endl;
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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for (auto imageView : swapChainImageViews)
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{
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vkDestroyImageView(device, imageView, nullptr);
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@ -175,7 +179,6 @@ std::vector<const char*> HelloTriangleApplication::getRequiredExtensions() {
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void HelloTriangleApplication::showAvailableExtension()
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{
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// show available extensions
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uint32_t availableExtensionCount = 0;
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vkEnumerateInstanceExtensionProperties(nullptr, &availableExtensionCount, nullptr);
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std::vector<VkExtensionProperties> availableExtensions(availableExtensionCount);
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@ -605,7 +608,8 @@ void HelloTriangleApplication::createGraphicPipeline()
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auto vertShaderCode = readFile("../../../shaders/triangleVert.spv");
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auto fragShaderCode = readFile("../../..//shaders/triangleFrag.spv");
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std::cout << "vertShader size:" << vertShaderCode.size() << "\nfragShader size:" << fragShaderCode.size() << std::endl;
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//std::cout << "vertShader size:" << vertShaderCode.size() << "\nfragShader size:" << fragShaderCode.size() << std::endl;
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VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
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VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
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@ -626,8 +630,128 @@ void HelloTriangleApplication::createGraphicPipeline()
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VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo,fragShaderStageInfo };
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//顶点输入
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VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
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vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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vertexInputInfo.vertexBindingDescriptionCount = 0;
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vertexInputInfo.pVertexBindingDescriptions = nullptr;
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vertexInputInfo.vertexAttributeDescriptionCount = 0;
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vertexInputInfo.pVertexAttributeDescriptions = nullptr;
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//管道创建完成后销毁着色器模块
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//使用动态状态并保留视口和剪刀裁剪状态
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std::vector<VkDynamicState> dynamicStates = {
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VK_DYNAMIC_STATE_VIEWPORT,
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VK_DYNAMIC_STATE_SCISSOR
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};
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VkPipelineDynamicStateCreateInfo dynamicState{};
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dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
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dynamicState.dynamicStateCount = static_cast<uint32_t>(dynamicStates.size());
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dynamicState.pDynamicStates = dynamicStates.data();
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//描述从顶点绘制哪种几何图形及是否启用primitive restart
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VkPipelineInputAssemblyStateCreateInfo inputAsseblyState{};
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inputAsseblyState.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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inputAsseblyState.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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inputAsseblyState.primitiveRestartEnable = VK_FALSE;
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//视口描述将被渲染输出的帧缓冲区域
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VkViewport viewport{};
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viewport.x = 0.0f;
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viewport.y = 0.0f;
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viewport.width = (float)swapChainExtent.width;
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viewport.height = (float)swapChainExtent.height;
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viewport.minDepth = 0.0f;//指定深度值范围，通常为此范围
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viewport.maxDepth = 1.0f;
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// 剪刀矩阵，定义像素实际存储的区域
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VkRect2D scissor{};
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scissor.offset = { 0,0 };
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scissor.extent = swapChainExtent;
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// 创建viewport
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VkPipelineViewportStateCreateInfo viewportState{};
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viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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viewportState.viewportCount = 1;
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viewportState.scissorCount = 1;
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// 光栅化
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VkPipelineRasterizationStateCreateInfo rasterizer{};
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rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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rasterizer.depthClampEnable = VK_FALSE;// 不丢弃超出近平面和远平面的fragment
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rasterizer.rasterizerDiscardEnable = VK_FALSE;// 启用则几何图形不会通过光栅化，禁用framebuffer的所有输出
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rasterizer.polygonMode = VK_POLYGON_MODE_FILL;// fragment填充多边形区域
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rasterizer.lineWidth = 1.0f;
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rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;// 背面剔除
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rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
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// 根据fragment的斜率偏置深度值
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rasterizer.depthBiasEnable = VK_FALSE;
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rasterizer.depthBiasConstantFactor = 0.0f;
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rasterizer.depthBiasClamp = 0.0f;
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rasterizer.depthBiasSlopeFactor = 0.0f;
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// 多重采样（禁用）
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VkPipelineMultisampleStateCreateInfo multisampling{};
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multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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multisampling.sampleShadingEnable = VK_FALSE;
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multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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multisampling.minSampleShading = 1.0f;
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multisampling.pSampleMask = nullptr;
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multisampling.alphaToCoverageEnable = VK_FALSE;
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multisampling.alphaToOneEnable = VK_FALSE;
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// 深度或模版缓冲区（暂留）
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// 颜色混合 color blending
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//每个附加帧缓冲区的配置
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VkPipelineColorBlendAttachmentState colorBlendAttachment{};
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colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
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colorBlendAttachment.blendEnable = VK_FALSE;
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colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO;
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colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
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colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
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/*
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alpha混合
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colorBlendAttachment.blendEnable = VK_TRUE;
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colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
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colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
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*/
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//全局颜色混合配置,按位运算
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VkPipelineColorBlendStateCreateInfo colorBlendState{};
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colorBlendState.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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colorBlendState.logicOpEnable = VK_FALSE;
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colorBlendState.logicOp = VK_LOGIC_OP_COPY;
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colorBlendState.attachmentCount = 1;
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colorBlendState.pAttachments = &colorBlendAttachment;
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colorBlendState.blendConstants[0] = 0.0f;
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colorBlendState.blendConstants[1] = 0.0f;
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colorBlendState.blendConstants[2] = 0.0f;
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colorBlendState.blendConstants[3] = 0.0f;
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VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
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pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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pipelineLayoutInfo.setLayoutCount = 0;
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pipelineLayoutInfo.pSetLayouts = nullptr;
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pipelineLayoutInfo.pushConstantRangeCount = 0;
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pipelineLayoutInfo.pPushConstantRanges = nullptr;
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if (vkCreatePipelineLayout(device,&pipelineLayoutInfo,nullptr,&pipelineLayout) != VK_SUCCESS)
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{
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throw std::runtime_error("failed to create pipeline Layout in createGraphicPipeline");
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}
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// 管道创建完成后销毁着色器模块
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vkDestroyShaderModule(device, fragShaderModule, nullptr);
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vkDestroyShaderModule(device, vertShaderModule, nullptr);
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}
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@ -63,6 +63,8 @@ private:
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std::vector<VkImageView> swapChainImageViews;
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VkPipelineLayout pipelineLayout;
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struct QueueFamilyIndices
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{
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std::optional<uint32_t> graphicsFamily;
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