251 lines
11 KiB
C++
251 lines
11 KiB
C++
// Copyright (C) 2016 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Vulkan Renderer"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/VulkanRenderer/VulkanRenderPipeline.hpp>
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#include <Nazara/Core/ErrorFlags.hpp>
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#include <Nazara/VulkanRenderer/VulkanShaderStage.hpp>
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#include <Nazara/VulkanRenderer/Utils.hpp>
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#include <cassert>
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#include <iostream>
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#include <Nazara/VulkanRenderer/Debug.hpp>
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namespace Nz
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{
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VulkanRenderPipeline::VulkanRenderPipeline(Vk::DeviceHandle device, RenderPipelineInfo pipelineInfo) :
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m_device(std::move(device)),
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m_pipelineInfo(std::move(pipelineInfo))
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{
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}
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std::vector<VkPipelineColorBlendAttachmentState> VulkanRenderPipeline::BuildColorBlendAttachmentStateList(const RenderPipelineInfo& pipelineInfo)
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{
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std::vector<VkPipelineColorBlendAttachmentState> colorBlendStates;
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VkPipelineColorBlendAttachmentState& colorBlendState = colorBlendStates.emplace_back();
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colorBlendState.blendEnable = pipelineInfo.blending;
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colorBlendState.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; //< TODO
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if (pipelineInfo.blending)
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{
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//TODO
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/*switch (pipelineInfo.dstBlend)
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{
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blendState.dstAlphaBlendFactor
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}*/
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}
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else
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{
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colorBlendState.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendState.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO;
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colorBlendState.colorBlendOp = VK_BLEND_OP_ADD;
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colorBlendState.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendState.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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colorBlendState.alphaBlendOp = VK_BLEND_OP_ADD;
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}
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return colorBlendStates;
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}
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VkPipelineColorBlendStateCreateInfo VulkanRenderPipeline::BuildColorBlendInfo(const RenderPipelineInfo& pipelineInfo, const std::vector<VkPipelineColorBlendAttachmentState>& attachmentState)
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{
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VkPipelineColorBlendStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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createInfo.attachmentCount = std::uint32_t(attachmentState.size());
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createInfo.pAttachments = attachmentState.data();
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return createInfo;
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}
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VkPipelineDepthStencilStateCreateInfo VulkanRenderPipeline::BuildDepthStencilInfo(const RenderPipelineInfo& pipelineInfo)
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{
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VkPipelineDepthStencilStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
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createInfo.depthTestEnable = pipelineInfo.depthBuffer;
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createInfo.depthWriteEnable = pipelineInfo.depthWrite;
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createInfo.depthCompareOp = ToVulkan(pipelineInfo.depthCompare);
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createInfo.stencilTestEnable = pipelineInfo.stencilTest;
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createInfo.front = BuildStencilOp(pipelineInfo, true);
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createInfo.back = BuildStencilOp(pipelineInfo, false);
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return createInfo;
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}
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VkPipelineDynamicStateCreateInfo VulkanRenderPipeline::BuildDynamicStateInfo(const RenderPipelineInfo& pipelineInfo, const std::vector<VkDynamicState>& dynamicStates)
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{
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VkPipelineDynamicStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
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createInfo.dynamicStateCount = std::uint32_t(dynamicStates.size());
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createInfo.pDynamicStates = dynamicStates.data();
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return createInfo;
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}
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std::vector<VkDynamicState> VulkanRenderPipeline::BuildDynamicStateList(const RenderPipelineInfo& pipelineInfo)
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{
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return { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
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}
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VkPipelineInputAssemblyStateCreateInfo VulkanRenderPipeline::BuildInputAssemblyInfo(const RenderPipelineInfo& pipelineInfo)
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{
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VkPipelineInputAssemblyStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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createInfo.topology = ToVulkan(pipelineInfo.primitiveMode);
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return createInfo;
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}
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VkPipelineMultisampleStateCreateInfo VulkanRenderPipeline::BuildMultisampleInfo(const RenderPipelineInfo& pipelineInfo)
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{
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VkPipelineMultisampleStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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createInfo.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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createInfo.minSampleShading = 1.0f; //< TODO: Remove
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return createInfo;
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}
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VkPipelineRasterizationStateCreateInfo VulkanRenderPipeline::BuildRasterizationInfo(const RenderPipelineInfo& pipelineInfo)
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{
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VkPipelineRasterizationStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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createInfo.polygonMode = ToVulkan(pipelineInfo.faceFilling);
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createInfo.cullMode = ToVulkan(pipelineInfo.cullingSide);
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createInfo.frontFace = VK_FRONT_FACE_CLOCKWISE; //< TODO
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createInfo.lineWidth = pipelineInfo.lineWidth;
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return createInfo;
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}
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VkPipelineViewportStateCreateInfo VulkanRenderPipeline::BuildViewportInfo(const RenderPipelineInfo& pipelineInfo)
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{
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VkPipelineViewportStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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createInfo.scissorCount = createInfo.viewportCount = 1; //< TODO
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return createInfo;
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}
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VkStencilOpState VulkanRenderPipeline::BuildStencilOp(const RenderPipelineInfo& pipelineInfo, bool front)
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{
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const auto& pipelineStencil = (front) ? pipelineInfo.stencilFront : pipelineInfo.stencilBack;
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VkStencilOpState stencilStates;
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stencilStates.compareMask = pipelineStencil.compareMask;
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stencilStates.compareOp = ToVulkan(pipelineStencil.compare);
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stencilStates.depthFailOp = ToVulkan(pipelineStencil.depthFail);
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stencilStates.failOp = ToVulkan(pipelineStencil.fail);
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stencilStates.passOp = ToVulkan(pipelineStencil.pass);
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stencilStates.reference = pipelineStencil.reference;
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stencilStates.writeMask = pipelineStencil.writeMask;
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return stencilStates;
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}
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std::vector<VkPipelineShaderStageCreateInfo> VulkanRenderPipeline::BuildShaderStageInfo(const RenderPipelineInfo& pipelineInfo)
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{
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std::vector<VkPipelineShaderStageCreateInfo> shaderStageCreateInfos;
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for (auto&& stagePtr : pipelineInfo.shaderStages)
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{
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Nz::VulkanShaderStage& vulkanStage = *static_cast<Nz::VulkanShaderStage*>(stagePtr.get());
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VkPipelineShaderStageCreateInfo& createInfo = shaderStageCreateInfos.emplace_back();
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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createInfo.module = vulkanStage.GetHandle();
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createInfo.pName = "main";
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createInfo.stage = ToVulkan(vulkanStage.GetStageType());
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}
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return shaderStageCreateInfos;
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}
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std::vector<VkVertexInputAttributeDescription> VulkanRenderPipeline::BuildVertexAttributeDescription(const RenderPipelineInfo& pipelineInfo)
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{
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std::vector<VkVertexInputAttributeDescription> vertexAttributes;
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std::uint32_t locationIndex = 0;
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for (const auto& bufferData : pipelineInfo.vertexBuffers)
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{
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std::uint32_t binding = std::uint32_t(bufferData.binding);
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for (const auto& componentInfo : *bufferData.declaration)
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{
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auto& bufferAttribute = vertexAttributes.emplace_back();
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bufferAttribute.binding = binding;
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bufferAttribute.location = locationIndex++;
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bufferAttribute.offset = std::uint32_t(componentInfo.offset);
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bufferAttribute.format = ToVulkan(componentInfo.type);
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}
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}
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return vertexAttributes;
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}
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std::vector<VkVertexInputBindingDescription> VulkanRenderPipeline::BuildVertexBindingDescription(const RenderPipelineInfo& pipelineInfo)
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{
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std::vector<VkVertexInputBindingDescription> vertexBindings;
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for (const auto& bufferData : pipelineInfo.vertexBuffers)
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{
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auto& bufferBinding = vertexBindings.emplace_back();
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bufferBinding.binding = std::uint32_t(bufferData.binding);
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bufferBinding.stride = std::uint32_t(bufferData.declaration->GetStride());
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bufferBinding.inputRate = ToVulkan(bufferData.declaration->GetInputRate());
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}
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return vertexBindings;
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}
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VkPipelineVertexInputStateCreateInfo VulkanRenderPipeline::BuildVertexInputInfo(const RenderPipelineInfo& pipelineInfo, const std::vector<VkVertexInputAttributeDescription>& vertexAttributes, const std::vector<VkVertexInputBindingDescription>& bindingDescriptions)
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{
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VkPipelineVertexInputStateCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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createInfo.vertexAttributeDescriptionCount = std::uint32_t(vertexAttributes.size());
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createInfo.pVertexAttributeDescriptions = vertexAttributes.data();
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createInfo.vertexBindingDescriptionCount = std::uint32_t(bindingDescriptions.size());
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createInfo.pVertexBindingDescriptions = bindingDescriptions.data();
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return createInfo;
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}
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auto VulkanRenderPipeline::BuildCreateInfo(const RenderPipelineInfo& pipelineInfo) -> CreateInfo
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{
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CreateInfo createInfo = {};
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createInfo.stateData = std::make_unique<CreateInfo::StateData>();
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createInfo.colorBlendAttachmentState = BuildColorBlendAttachmentStateList(pipelineInfo);
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createInfo.dynamicStates = BuildDynamicStateList(pipelineInfo);
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createInfo.shaderStages = BuildShaderStageInfo(pipelineInfo);
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createInfo.vertexAttributesDescription = BuildVertexAttributeDescription(pipelineInfo);
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createInfo.vertexBindingDescription = BuildVertexBindingDescription(pipelineInfo);
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createInfo.stateData->colorBlendState = BuildColorBlendInfo(pipelineInfo, createInfo.colorBlendAttachmentState);
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createInfo.stateData->depthStencilState = BuildDepthStencilInfo(pipelineInfo);
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createInfo.stateData->dynamicState = BuildDynamicStateInfo(pipelineInfo, createInfo.dynamicStates);
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createInfo.stateData->inputAssemblyState = BuildInputAssemblyInfo(pipelineInfo);
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createInfo.stateData->multiSampleState = BuildMultisampleInfo(pipelineInfo);
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createInfo.stateData->rasterizationState = BuildRasterizationInfo(pipelineInfo);
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createInfo.stateData->viewportState = BuildViewportInfo(pipelineInfo);
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createInfo.stateData->vertexInputState = BuildVertexInputInfo(pipelineInfo, createInfo.vertexAttributesDescription, createInfo.vertexBindingDescription);
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createInfo.pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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createInfo.pipelineInfo.stageCount = std::uint32_t(createInfo.shaderStages.size());
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createInfo.pipelineInfo.pStages = createInfo.shaderStages.data();
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createInfo.pipelineInfo.pColorBlendState = &createInfo.stateData->colorBlendState;
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createInfo.pipelineInfo.pDepthStencilState = &createInfo.stateData->depthStencilState;
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createInfo.pipelineInfo.pDynamicState = &createInfo.stateData->dynamicState;
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createInfo.pipelineInfo.pInputAssemblyState = &createInfo.stateData->inputAssemblyState;
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createInfo.pipelineInfo.pMultisampleState = &createInfo.stateData->multiSampleState;
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createInfo.pipelineInfo.pRasterizationState = &createInfo.stateData->rasterizationState;
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createInfo.pipelineInfo.pVertexInputState = &createInfo.stateData->vertexInputState;
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createInfo.pipelineInfo.pViewportState = &createInfo.stateData->viewportState;
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return createInfo;
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}
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}
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