Вынес управление VkDescriptorSetLayout и VkPipeline в отдельные классы
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Jiga228
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#include "Pipeline.hpp"
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#include <array>
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#include <stdexcept>
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#include <fstream>
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#include "DescriptorSetLayout.hpp"
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#include "Device.hpp"
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#include "RenderPass.hpp"
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#include "Swapchain.hpp"
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#include "DeviceFunctions/DeviceFunctions.hpp"
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#include "../ModelManager.hpp"
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VkShaderModule VkObjects::Pipeline::create_shader_module(const Device& device, const std::string& code) const
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{
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VkShaderModuleCreateInfo shader_module_info{};
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shader_module_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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shader_module_info.codeSize = code.size();
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shader_module_info.pCode = reinterpret_cast<const uint32_t*>(code.c_str());
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VkShaderModule shader_module;
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VK_CHECK(vkCreateShaderModule(device.get_native(), &shader_module_info, nullptr, &shader_module))
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return shader_module;
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}
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VkObjects::Pipeline::Pipeline(const Device& device, const Swapchain& swapchain,
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const RenderPass& render_pass, const DescriptorSetLayout& layout_binding):device_(device)
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{
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std::ifstream vertex_shader_file("Shaders/vertex.spv", std::ios::binary);
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if (!vertex_shader_file.is_open())
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throw std::runtime_error("Vertex shader not found");
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std::ifstream fragment_shader_file("Shaders/fragment.spv", std::ios::binary);
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if (!fragment_shader_file.is_open()) {
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vertex_shader_file.close();
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throw std::runtime_error("Fragment shader not found");
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}
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std::string vertex_shader_code((std::istreambuf_iterator<char>(vertex_shader_file)), std::istreambuf_iterator<char>());
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std::string fragment_shader_code((std::istreambuf_iterator<char>(fragment_shader_file)), std::istreambuf_iterator<char>());
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vertex_shader_file.close();
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fragment_shader_file.close();
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VkShaderModule vertex_shader = create_shader_module(device_, vertex_shader_code);
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VkShaderModule fragment_shader = create_shader_module(device_, fragment_shader_code);
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VkPipelineShaderStageCreateInfo vertex_shader_stage_info{};
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vertex_shader_stage_info.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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vertex_shader_stage_info.stage = VK_SHADER_STAGE_VERTEX_BIT;
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vertex_shader_stage_info.module = vertex_shader;
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vertex_shader_stage_info.pName = "main";
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VkPipelineShaderStageCreateInfo fragment_shader_stage_info{};
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fragment_shader_stage_info.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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fragment_shader_stage_info.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
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fragment_shader_stage_info.module = fragment_shader;
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fragment_shader_stage_info.pName = "main";
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VkPipelineShaderStageCreateInfo shader_stages[] = {vertex_shader_stage_info, fragment_shader_stage_info};
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const std::vector<VkDynamicState> dynamic_states = {
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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 dynamic_state_info{};
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dynamic_state_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
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dynamic_state_info.dynamicStateCount = static_cast<uint32_t>(dynamic_states.size());
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dynamic_state_info.pDynamicStates = dynamic_states.data();
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VkVertexInputBindingDescription binding_description = ModelManager::Vertex::get_binding_description();
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std::array<VkVertexInputAttributeDescription, 2> attribute_descriptions = ModelManager::Vertex::get_vertex_attribute_descriptions();
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VkPipelineVertexInputStateCreateInfo vertex_input_info{};
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vertex_input_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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vertex_input_info.vertexBindingDescriptionCount = 1;
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vertex_input_info.pVertexBindingDescriptions = &binding_description;
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vertex_input_info.vertexAttributeDescriptionCount = static_cast<uint32_t>(attribute_descriptions.size());
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vertex_input_info.pVertexAttributeDescriptions = attribute_descriptions.data();
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VkPipelineInputAssemblyStateCreateInfo input_assembly_info{};
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input_assembly_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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input_assembly_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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input_assembly_info.primitiveRestartEnable = VK_FALSE;
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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 = static_cast<float>(swapchain.get_extent().width);
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viewport.height = static_cast<float>(swapchain.get_extent().height);
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viewport.minDepth = 0.0f;
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viewport.maxDepth = 1.0f;
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VkRect2D scissor{};
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scissor.offset = {0, 0};
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scissor.extent = swapchain.get_extent();
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VkPipelineViewportStateCreateInfo viewport_info{};
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viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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viewport_info.viewportCount = 1;
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viewport_info.pViewports = &viewport;
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viewport_info.scissorCount = 1;
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viewport_info.pScissors = &scissor;
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VkPipelineRasterizationStateCreateInfo rasterization_info{};
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rasterization_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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rasterization_info.depthClampEnable = VK_FALSE;
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rasterization_info.rasterizerDiscardEnable = VK_FALSE;
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rasterization_info.polygonMode = VK_POLYGON_MODE_FILL;
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rasterization_info.lineWidth = 1.0f;
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rasterization_info.cullMode = VK_CULL_MODE_BACK_BIT;
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rasterization_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
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rasterization_info.depthBiasEnable = VK_FALSE;
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VkPipelineMultisampleStateCreateInfo multisample_info{};
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multisample_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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multisample_info.sampleShadingEnable = VK_FALSE;
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multisample_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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VkPipelineColorBlendAttachmentState color_blend_attachment_state{};
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color_blend_attachment_state.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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color_blend_attachment_state.blendEnable = VK_TRUE;
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color_blend_attachment_state.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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color_blend_attachment_state.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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color_blend_attachment_state.colorBlendOp = VK_BLEND_OP_ADD;
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color_blend_attachment_state.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
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color_blend_attachment_state.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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color_blend_attachment_state.alphaBlendOp = VK_BLEND_OP_ADD;
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VkPipelineColorBlendStateCreateInfo color_blend_info{};
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color_blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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color_blend_info.logicOpEnable = VK_FALSE;
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color_blend_info.attachmentCount = 1;
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color_blend_info.pAttachments = &color_blend_attachment_state;
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color_blend_info.blendConstants[0] = 0.0f;
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color_blend_info.blendConstants[1] = 0.0f;
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color_blend_info.blendConstants[2] = 0.0f;
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color_blend_info.blendConstants[3] = 0.0f;
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VkDescriptorSetLayout layout = layout_binding.get_native();
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VkPipelineLayoutCreateInfo pipeline_layout_info{};
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pipeline_layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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pipeline_layout_info.setLayoutCount = 1;
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pipeline_layout_info.pSetLayouts = &layout;
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VK_CHECK(vkCreatePipelineLayout(device_.get_native(), &pipeline_layout_info, nullptr, &pipeline_layout_))
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VkGraphicsPipelineCreateInfo pipeline_info{};
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pipeline_info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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pipeline_info.stageCount = 2;
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pipeline_info.pStages = shader_stages;
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pipeline_info.layout = pipeline_layout_;
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pipeline_info.pColorBlendState = &color_blend_info;
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pipeline_info.pDynamicState = &dynamic_state_info;
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pipeline_info.pInputAssemblyState = &input_assembly_info;
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pipeline_info.pMultisampleState = &multisample_info;
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pipeline_info.pRasterizationState = &rasterization_info;
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pipeline_info.pViewportState = &viewport_info;
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pipeline_info.pVertexInputState = &vertex_input_info;
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pipeline_info.pDepthStencilState = nullptr;
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pipeline_info.renderPass = render_pass.get_native();
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pipeline_info.subpass = 0;
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pipeline_info.basePipelineHandle = nullptr;
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pipeline_info.basePipelineIndex = -1;
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VK_CHECK(vkCreateGraphicsPipelines(device_.get_native(), nullptr, 1, &pipeline_info, nullptr, &pipeline_))
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vkDestroyShaderModule(device_.get_native(), vertex_shader, nullptr);
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vkDestroyShaderModule(device_.get_native(), fragment_shader, nullptr);
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}
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VkObjects::Pipeline::~Pipeline()
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{
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if (pipeline_ != nullptr)
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vkDestroyPipeline(device_.get_native(), pipeline_, nullptr);
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if (pipeline_layout_ != nullptr)
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vkDestroyPipelineLayout(device_.get_native(), pipeline_layout_, nullptr);
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}
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