We be kinda rendering
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#include <destrum/Graphics/Pipeline.h>
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#include <cassert>
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#include <filesystem>
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#include <fstream>
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#include <iostream>
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#include "destrum/Graphics/Util.h"
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#include "spdlog/spdlog.h"
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Pipeline::Pipeline(GfxDevice& device, const std::string& vertPath, const std::string& fragPath,
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const PipelineConfigInfo& configInfo): m_device(device) {
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CreateGraphicsPipeline(vertPath, fragPath, configInfo);
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}
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Pipeline::~Pipeline() {
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vkDestroyShaderModule(m_device.getDevice(), m_vertShaderModule, nullptr);
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vkDestroyShaderModule(m_device.getDevice(), m_fragShaderModule, nullptr);
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vkDestroyPipeline(m_device.getDevice(), m_graphicsPipeline, nullptr);
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}
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void Pipeline::bind(VkCommandBuffer buffer) const {
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vkCmdBindPipeline(buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, m_graphicsPipeline);
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}
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void Pipeline::DefaultPipelineConfigInfo(PipelineConfigInfo& configInfo) {
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configInfo.name = "DefaultPipelineConfigInfo";
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configInfo.inputAssemblyInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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configInfo.inputAssemblyInfo.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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configInfo.inputAssemblyInfo.primitiveRestartEnable = VK_FALSE;
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configInfo.viewportInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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configInfo.viewportInfo.viewportCount = 1;
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configInfo.viewportInfo.pViewports = nullptr;
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configInfo.viewportInfo.scissorCount = 1;
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configInfo.viewportInfo.pScissors = nullptr;
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configInfo.rasterizationInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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configInfo.rasterizationInfo.depthClampEnable = VK_FALSE;
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configInfo.rasterizationInfo.rasterizerDiscardEnable = VK_FALSE;
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configInfo.rasterizationInfo.polygonMode = VK_POLYGON_MODE_FILL;
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configInfo.rasterizationInfo.lineWidth = 1.0f;
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configInfo.rasterizationInfo.cullMode = VK_CULL_MODE_BACK_BIT;
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configInfo.rasterizationInfo.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
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configInfo.rasterizationInfo.depthBiasEnable = VK_FALSE;
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configInfo.rasterizationInfo.depthBiasConstantFactor = 0.0f; // Optional
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configInfo.rasterizationInfo.depthBiasClamp = 0.0f; // Optional
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configInfo.rasterizationInfo.depthBiasSlopeFactor = 0.0f; // Optional
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configInfo.multisampleInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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configInfo.multisampleInfo.sampleShadingEnable = VK_FALSE;
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configInfo.multisampleInfo.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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configInfo.multisampleInfo.minSampleShading = 1.0f; // Optional
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configInfo.multisampleInfo.pSampleMask = nullptr; // Optional
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configInfo.multisampleInfo.alphaToCoverageEnable = VK_FALSE; // Optional
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configInfo.multisampleInfo.alphaToOneEnable = VK_FALSE; // Optional
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configInfo.colorBlendAttachment.colorWriteMask =
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VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT |
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VK_COLOR_COMPONENT_A_BIT;
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configInfo.colorBlendAttachment.blendEnable = VK_FALSE;
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configInfo.colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_ONE; // Optional
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configInfo.colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO; // Optional
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configInfo.colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD; // Optional
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configInfo.colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE; // Optional
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configInfo.colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; // Optional
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configInfo.colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD; // Optional
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configInfo.colorBlendInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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configInfo.colorBlendInfo.logicOpEnable = VK_FALSE;
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configInfo.colorBlendInfo.logicOp = VK_LOGIC_OP_COPY; // Optional
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configInfo.colorBlendInfo.attachmentCount = 1;
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configInfo.colorBlendInfo.pAttachments = &configInfo.colorBlendAttachment;
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configInfo.colorBlendInfo.blendConstants[0] = 0.0f; // Optional
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configInfo.colorBlendInfo.blendConstants[1] = 0.0f; // Optional
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configInfo.colorBlendInfo.blendConstants[2] = 0.0f; // Optional
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configInfo.colorBlendInfo.blendConstants[3] = 0.0f; // Optional
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configInfo.depthStencilInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
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configInfo.depthStencilInfo.depthTestEnable = VK_TRUE;
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configInfo.depthStencilInfo.depthWriteEnable = VK_TRUE;
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configInfo.depthStencilInfo.depthCompareOp = VK_COMPARE_OP_LESS;
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configInfo.depthStencilInfo.depthBoundsTestEnable = VK_FALSE;
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configInfo.depthStencilInfo.minDepthBounds = 0.0f; // Optional
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configInfo.depthStencilInfo.maxDepthBounds = 1.0f; // Optional
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configInfo.depthStencilInfo.stencilTestEnable = VK_FALSE;
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configInfo.depthStencilInfo.front = {}; // Optional
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configInfo.depthStencilInfo.back = {}; // Optional
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configInfo.dynamicStateEnables = {VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR};
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configInfo.dynamicStateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
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configInfo.dynamicStateInfo.pDynamicStates = configInfo.dynamicStateEnables.data();
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configInfo.dynamicStateInfo.dynamicStateCount = static_cast<uint32_t>(configInfo.dynamicStateEnables.size());
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configInfo.dynamicStateInfo.flags = 0;
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configInfo.colorAttachments = {VK_FORMAT_B8G8R8A8_SRGB};
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configInfo.depthAttachment = VK_FORMAT_D32_SFLOAT;
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// configInfo.vertexAttributeDescriptions = std::move(Mesh::Vertex::getAttributeDescriptions());
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// configInfo.vertexBindingDescriptions = std::move(Mesh::Vertex::getBindingDescriptions());
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}
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std::vector<char> Pipeline::readFile(const std::string& filename) {
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std::ifstream file(filename, std::ios::ate | std::ios::binary);
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if (!file.is_open()) {
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throw std::runtime_error("Failed to open file: " + filename);
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}
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const size_t fileSize = (size_t)file.tellg();
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std::vector<char> buffer(fileSize);
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file.seekg(0);
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file.read(buffer.data(), static_cast<std::streamsize>(fileSize));
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file.close();
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return buffer;
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}
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void Pipeline::CreateGraphicsPipeline(const std::string& vertPath, const std::string& fragPath,
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const PipelineConfigInfo& configInfo) {
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assert(configInfo.pipelineLayout != VK_NULL_HANDLE && "no pipelineLayout provided in configInfo");
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std::vector < VkPipelineShaderStageCreateInfo > shaderStages;
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if (!vertPath.empty()) {
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std::string VertFileName = std::filesystem::path(vertPath).filename().string();
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auto vertCode = readFile(vertPath);
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spdlog::debug("Vertex shader code size: {}", vertCode.size());
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spdlog::debug("Vertex shader file: {}", VertFileName);
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CreateShaderModule(vertCode, &m_vertShaderModule);
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VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
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vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
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vertShaderStageInfo.module = m_vertShaderModule;
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vertShaderStageInfo.pName = "main";
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vertShaderStageInfo.flags = 0;
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vertShaderStageInfo.pSpecializationInfo = nullptr;
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vertShaderStageInfo.pNext = nullptr;
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shaderStages.push_back(vertShaderStageInfo);
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}
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if (!fragPath.empty()) {
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std::string FragFileName = std::filesystem::path(fragPath).filename().string();
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auto fragCode = readFile(fragPath);
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spdlog::debug("Fragment shader code size: {}", fragCode.size());
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spdlog::debug("Fragment shader file: {}", FragFileName);
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CreateShaderModule(fragCode, &m_fragShaderModule);
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VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
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fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
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fragShaderStageInfo.module = m_fragShaderModule;
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fragShaderStageInfo.pName = "main";
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fragShaderStageInfo.flags = 0;
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fragShaderStageInfo.pSpecializationInfo = nullptr;
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fragShaderStageInfo.pNext = nullptr;
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shaderStages.push_back(fragShaderStageInfo);
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}
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std::cout << std::endl;
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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.vertexAttributeDescriptionCount = static_cast<uint32_t>(configInfo.vertexAttributeDescriptions.size());
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vertexInputInfo.pVertexAttributeDescriptions = configInfo.vertexAttributeDescriptions.data();
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vertexInputInfo.vertexBindingDescriptionCount = static_cast<uint32_t>(configInfo.vertexBindingDescriptions.size());
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vertexInputInfo.pVertexBindingDescriptions = configInfo.vertexBindingDescriptions.data();
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VkGraphicsPipelineCreateInfo pipelineInfo{};
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pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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pipelineInfo.stageCount = static_cast<uint32_t>(shaderStages.size());
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pipelineInfo.pStages = shaderStages.data();
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pipelineInfo.pVertexInputState = &vertexInputInfo;
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pipelineInfo.pInputAssemblyState = &configInfo.inputAssemblyInfo;
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pipelineInfo.pViewportState = &configInfo.viewportInfo;
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pipelineInfo.pRasterizationState = &configInfo.rasterizationInfo;
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pipelineInfo.pMultisampleState = &configInfo.multisampleInfo;
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pipelineInfo.pColorBlendState = &configInfo.colorBlendInfo;
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pipelineInfo.pDepthStencilState = &configInfo.depthStencilInfo;
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pipelineInfo.pDynamicState = &configInfo.dynamicStateInfo;
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VkPipelineRenderingCreateInfoKHR renderingInfo{};
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renderingInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO;
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renderingInfo.colorAttachmentCount = static_cast<uint32_t>(configInfo.colorAttachments.size());
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renderingInfo.pColorAttachmentFormats = configInfo.colorAttachments.data();
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renderingInfo.depthAttachmentFormat = configInfo.depthAttachment;
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pipelineInfo.pNext = &renderingInfo;
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pipelineInfo.layout = configInfo.pipelineLayout;
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pipelineInfo.renderPass = nullptr;
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// pipelineInfo.subpass = nullptr;
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pipelineInfo.basePipelineIndex = -1;
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pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
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if (!configInfo.name.empty()) {
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// DebugLabel::SetObjectName(
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// reinterpret_cast<uint64_t>(pipelineInfo.layout),
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// VK_OBJECT_TYPE_PIPELINE_LAYOUT,
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// configInfo.name.c_str()
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// );
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}
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if (vkCreateGraphicsPipelines(m_device.getDevice(), VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &m_graphicsPipeline) != VK_SUCCESS) {
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throw std::runtime_error("Can't make pipeline!");
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}
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}
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void Pipeline::CreateShaderModule(const std::vector<char>& code, VkShaderModule* shaderModule) const {
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VkShaderModuleCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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createInfo.codeSize = code.size();
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createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
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if (vkCreateShaderModule(m_device.getDevice(), &createInfo, nullptr, shaderModule) != VK_SUCCESS) {
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throw std::runtime_error("Failed to create shader module!");
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}
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}
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