save code

2025-08-31 10:56:01 +08:00
parent d5ec638dbd
commit 1bcc9f792c
15 changed files with 1791 additions and 953 deletions
@@ -0,0 +1,115 @@
+#include "HelloTriangleApplication.h"
+void HelloTriangleApplication::createGraphicsPipeline()
+{
+    auto vertShaderCode = readFile("shaders/vert.spv");
+    auto fragShaderCode = readFile("shaders/frag.spv");
+
+    VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
+    VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
+
+    VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
+    vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
+    vertShaderStageInfo.module = vertShaderModule;
+    vertShaderStageInfo.pName = "main";
+
+    VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
+    fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
+    fragShaderStageInfo.module = fragShaderModule;
+    fragShaderStageInfo.pName = "main";
+
+    VkPipelineShaderStageCreateInfo shaderStages[] = {vertShaderStageInfo, fragShaderStageInfo};
+
+    VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
+    vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
+    vertexInputInfo.vertexBindingDescriptionCount = 0;
+    vertexInputInfo.vertexAttributeDescriptionCount = 0;
+
+    VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
+    inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
+    inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
+    inputAssembly.primitiveRestartEnable = VK_FALSE;
+
+    VkViewport viewport{};
+    viewport.x = 0.0f;
+    viewport.y = 0.0f;
+    viewport.width = (float)swapChainExtent.width;
+    viewport.height = (float)swapChainExtent.height;
+    viewport.minDepth = 0.0f;
+    viewport.maxDepth = 1.0f;
+
+    VkRect2D scissor{};
+    scissor.offset = {0, 0};
+    scissor.extent = swapChainExtent;
+
+    VkPipelineViewportStateCreateInfo viewportState{};
+    viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
+    viewportState.viewportCount = 1;
+    viewportState.pViewports = &viewport;
+    viewportState.scissorCount = 1;
+    viewportState.pScissors = &scissor;
+
+    VkPipelineRasterizationStateCreateInfo rasterizer{};
+    rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
+    rasterizer.depthClampEnable = VK_FALSE;
+    rasterizer.rasterizerDiscardEnable = VK_FALSE;
+    rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
+    rasterizer.lineWidth = 1.0f;
+    rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
+    rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
+    rasterizer.depthBiasEnable = VK_FALSE;
+
+    VkPipelineMultisampleStateCreateInfo multisampling{};
+    multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
+    multisampling.sampleShadingEnable = VK_FALSE;
+    multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
+
+    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;
+
+    VkPipelineColorBlendStateCreateInfo colorBlending{};
+    colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
+    colorBlending.logicOpEnable = VK_FALSE;
+    colorBlending.logicOp = VK_LOGIC_OP_COPY;
+    colorBlending.attachmentCount = 1;
+    colorBlending.pAttachments = &colorBlendAttachment;
+    colorBlending.blendConstants[0] = 0.0f;
+    colorBlending.blendConstants[1] = 0.0f;
+    colorBlending.blendConstants[2] = 0.0f;
+    colorBlending.blendConstants[3] = 0.0f;
+
+    VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
+    pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
+    pipelineLayoutInfo.setLayoutCount = 0;
+    pipelineLayoutInfo.pushConstantRangeCount = 0;
+
+    if (vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS)
+    {
+        throw std::runtime_error("failed to create pipeline layout!");
+    }
+
+    VkGraphicsPipelineCreateInfo pipelineInfo{};
+    pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
+    pipelineInfo.stageCount = 2;
+    pipelineInfo.pStages = shaderStages;
+    pipelineInfo.pVertexInputState = &vertexInputInfo;
+    pipelineInfo.pInputAssemblyState = &inputAssembly;
+    pipelineInfo.pViewportState = &viewportState;
+    pipelineInfo.pRasterizationState = &rasterizer;
+    pipelineInfo.pMultisampleState = &multisampling;
+    pipelineInfo.pColorBlendState = &colorBlending;
+    pipelineInfo.layout = pipelineLayout;
+    pipelineInfo.renderPass = renderPass;
+    pipelineInfo.subpass = 0;
+    pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
+
+    if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS)
+    {
+        throw std::runtime_error("failed to create graphics pipeline!");
+    }
+
+    vkDestroyShaderModule(device, fragShaderModule, nullptr);
+    vkDestroyShaderModule(device, vertShaderModule, nullptr);
+}