Непрограммируемые стадии графического ковейера
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@ -39,6 +39,7 @@ class Vulkan
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void createSwapchain(GLFWwindow* window); // Создание цепочки показа
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void createRenderpass(); // Создание проходов рендера
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VkShaderModule createShaderModule(const char * filename); // Создание шейдерного модуля
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void createGraphicPipeline(); // Создание графического конвеера
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};
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#endif // VK_H
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102
src/vk.cpp
102
src/vk.cpp
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@ -1,4 +1,5 @@
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#include "vk.h"
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#include "Vertex.h"
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#include <iostream>
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#include <vector>
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@ -17,6 +18,7 @@ void Vulkan::init(GLFWwindow* window)
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createLogicalDevice(deviceExtensions); // Создание физического устройства
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createSwapchain(window); // Создание списка показа
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createRenderpass(); // Создание проходов рендера
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createGraphicPipeline(); // Создание графического конвейера
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}
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// завершение работы
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@ -562,3 +564,103 @@ VkShaderModule Vulkan::createShaderModule(const char * filename)
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return shaderModule;
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}
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// Создание графического конвеера
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void Vulkan::createGraphicPipeline()
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{
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// Входные данные вершин
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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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// Привязка
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VkVertexInputBindingDescription bindingDescription{};
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bindingDescription.binding = 0;
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bindingDescription.stride = sizeof(Vertex);
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bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
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// Описание атрибута
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std::vector<VkVertexInputAttributeDescription> attributeDescriptions(2);
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attributeDescriptions[0].binding = 0;
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attributeDescriptions[0].location = 0;
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attributeDescriptions[0].format = VK_FORMAT_R32G32_SFLOAT;
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attributeDescriptions[0].offset = offsetof(Vertex, position);
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attributeDescriptions[1].binding = 0;
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attributeDescriptions[1].location = 1;
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attributeDescriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT;
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attributeDescriptions[1].offset = offsetof(Vertex, color);
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vertexInputInfo.vertexBindingDescriptionCount = 1;
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vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(attributeDescriptions.size());
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vertexInputInfo.pVertexBindingDescriptions = &bindingDescription;
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vertexInputInfo.pVertexAttributeDescriptions = attributeDescriptions.data();
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// Входной сборщик
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VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
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inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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inputAssembly.primitiveRestartEnable = VK_FALSE;
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// Область просмотра
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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 = surface.selectedExtent.width;
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viewport.height = surface.selectedExtent.height;
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viewport.minDepth = 0.0f;
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viewport.maxDepth = 1.0f;
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// Прямоугольник отсечения
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VkRect2D scissor{};
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scissor.offset = {0, 0};
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scissor.extent = surface.selectedExtent;
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// Состояние области просмотра
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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.pViewports = &viewport;
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viewportState.scissorCount = 1;
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viewportState.pScissors = &scissor;
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// Растеризатор
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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;
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rasterizer.rasterizerDiscardEnable = VK_FALSE;
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rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
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rasterizer.lineWidth = 1.0f;
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rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
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rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
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rasterizer.depthBiasEnable = VK_FALSE;
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// Мультисэмплинг
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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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// Смешивание цветов для буфера
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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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// Глобальные настройки смешивания цветов
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VkPipelineColorBlendStateCreateInfo colorBlending{};
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colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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colorBlending.logicOpEnable = VK_FALSE;
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colorBlending.logicOp = VK_LOGIC_OP_COPY;
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colorBlending.attachmentCount = 1;
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colorBlending.pAttachments = &colorBlendAttachment;
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colorBlending.blendConstants[0] = 0.0f;
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colorBlending.blendConstants[1] = 0.0f;
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colorBlending.blendConstants[2] = 0.0f;
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colorBlending.blendConstants[3] = 0.0f;
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// раскладка конвейера
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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.pushConstantRangeCount = 0;
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}
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