完成图形管线固定功能设置

VulkanTutorial.cpp

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

VulkanTutorial.h

@@ -63,6 +63,8 @@ private:
 
 	std::vector<VkImageView> swapChainImageViews;
 
+	VkPipelineLayout pipelineLayout;
+
 	struct QueueFamilyIndices
 	{
 		std::optional<uint32_t> graphicsFamily;