583 lines
24 KiB
C++
583 lines
24 KiB
C++
#include "vkn/vulkan_api.h"
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#include "vkn/vulkan_window.h"
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#include "vkn/vulkan_api_help.h"
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#include "vkn/wrapper/buffer.h"
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#include "vkn/wrapper/device.h"
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#include "vkn/thread/buffer_worker.h"
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#include "vkn/thread/command_worker.h"
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#include "vkn/loader/vulkan_glsl_loader.h"
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#include "render/asset/mesh.h"
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#include "meta/enum.h"
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#include "tinyimageformat/tinyimageformat_apis.h"
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#include "zlog.h"
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namespace vkn {
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inline bool operator==(const RenderPassKey& k1, const RenderPassKey& k2) {
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if (k1.initialColorLayoutMask != k2.initialColorLayoutMask) return false;
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for (int i = 0; i < MAX_SUPPORTED_RENDER_TARGET_COUNT; i++) {
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if (k1.colorFormat[i] != k2.colorFormat[i]) return false;
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}
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if (k1.depthFormat != k2.depthFormat) return false;
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if (k1.clear != k2.clear) return false;
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if (k1.discardStart != k2.discardStart) return false;
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if (k1.discardEnd != k2.discardEnd) return false;
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if (k1.samples != k2.samples) return false;
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if (k1.needsResolveMask != k2.needsResolveMask) return false;
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if (k1.subpassMask != k2.subpassMask) return false;
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return true;
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}
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inline bool operator==(const FramebufferKey& k1, const FramebufferKey& k2) {
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if (k1.pass != k2.pass) return false;
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if (k1.attachmentCount != k2.attachmentCount) return false;
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for (int i = 0; i < k1.attachmentCount; i++) {
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if (k1.imageViews[i] != k2.imageViews[i]) return false;
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}
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if (k1.height != k2.height) return false;
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if (k1.width != k2.width) return false;
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if (k1.layers != k2.layers) return false;
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return true;
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}
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VulkanAPI::VulkanAPI() : RenderAPI(new VulkanContext())
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, window(*VulkanWindow::Ptr())
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, backend(VulkanEngineName)
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{
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}
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void VulkanAPI::Init()
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{
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}
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void VulkanAPI::Shutdown()
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{
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}
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void VulkanAPI::SetStaticMesh(Mesh& mesh)
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{
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auto& Indices = mesh.GetIndices();
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auto& Vertices = mesh.GetVertices();
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MeshVAO& VAO = MeshTable[mesh.GetGuid()];
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VAO.indexCount = Indices.size();
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VAO.vertexCount = Vertices.size();
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Buffer indexBuffer{};
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indexBuffer.ppBuffer = &VAO.indexBuffer;
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indexBuffer.pCpuData = Indices.data();
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indexBuffer.size = sizeof(decltype(Indices[0])) * Indices.size();
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indexBuffer.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
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Backend::TransferWorker->Invoke(indexBuffer);
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Buffer vertexBuffer{};
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vertexBuffer.ppBuffer = &VAO.vertexBuffer;
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vertexBuffer.pCpuData = Vertices.data();
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vertexBuffer.size = Vertices.data_size();
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vertexBuffer.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
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Backend::TransferWorker->Invoke(vertexBuffer);
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}
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void VulkanAPI::DrawStaticMesh(Mesh& mesh)
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{
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}
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void VulkanAPI::LoadShader(Shader& shader)
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{
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pmr::vector<VkPipelineShaderStageCreateInfo> shaderStages;
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std::map<VkShaderStageFlagBits, VkShaderModule> shaderModules;
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auto& device = backend.GetDevice();
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auto vertModule = shader.GetVertHandle<vkShaderProgram>()->Ptr();
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shaderModules.insert(std::make_pair(VK_SHADER_STAGE_VERTEX_BIT, vertModule));
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auto fragModule = shader.GetFragHandle<vkShaderProgram>()->Ptr();
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shaderModules.insert(std::make_pair(VK_SHADER_STAGE_FRAGMENT_BIT, fragModule));
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for (auto& shaderModule : shaderModules)
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{
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VkPipelineShaderStageCreateInfo shaderStageInfo = {};
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shaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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shaderStageInfo.stage = shaderModule.first;
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shaderStageInfo.module = shaderModule.second;
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shaderStageInfo.pName = "main";
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shaderStages.push_back(shaderStageInfo);
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}
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auto it = refl::find_info(shader.Name());
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auto meta = it->GetMeta("vkMeta");
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// 设置顶点输入格式
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VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
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VkVertexInputBindingDescription bindingDescription = {};
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bindingDescription.binding = 0;
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bindingDescription.stride = meta->size;
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bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
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//这里顶点属性不能大余16
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std::array<VkVertexInputAttributeDescription, 16> attributeDescriptions = { };
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{
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uint32_t count = 0;
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for (auto& field : meta->GetFields(refl::FIND_ALL_MEMBER, Name(""))) {
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auto& attr = attributeDescriptions[count];
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attr.binding = 0;
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attr.location = count++;
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attr.format = field.GetMeta() ? (VkFormat)field.GetMeta().CastTo<uint32_t>() : VK_FORMAT_R32G32B32_SFLOAT;
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attr.offset = field.GetOffset();
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}
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vertexInputInfo.vertexAttributeDescriptionCount = count;
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}
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vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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vertexInputInfo.pVertexBindingDescriptions = &bindingDescription;
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vertexInputInfo.pVertexAttributeDescriptions = attributeDescriptions.data();
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vertexInputInfo.vertexBindingDescriptionCount = 1;
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// 设置图元
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VkPipelineInputAssemblyStateCreateInfo inputAssemblyInfo = {};
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inputAssemblyInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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inputAssemblyInfo.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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inputAssemblyInfo.primitiveRestartEnable = VK_FALSE;
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// ViewPort信息，这里不直接设置，下面弄成动态的
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VkPipelineViewportStateCreateInfo viewportStateInfo = {};
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viewportStateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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viewportStateInfo.viewportCount = 1;
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viewportStateInfo.scissorCount = 1;
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// View Port和Scissor设置为动态，每帧绘制时决定
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pmr::vector<VkDynamicState> dynamicStates = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
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VkPipelineDynamicStateCreateInfo dynamicStateInfo = {};
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dynamicStateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
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dynamicStateInfo.pDynamicStates = dynamicStates.data();
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dynamicStateInfo.dynamicStateCount = static_cast<uint32_t>(dynamicStates.size());
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// 设置光栅化阶段
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VkPipelineRasterizationStateCreateInfo rasterizationInfo = {};
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rasterizationInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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// 如果depthClampEnable设置为VK_TRUE，超过远近裁剪面的片元会进行收敛，而不是丢弃它们
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rasterizationInfo.depthClampEnable = VK_FALSE;
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// 如果rasterizerDiscardEnable设置为VK_TRUE，那么几何图元永远不会传递到光栅化阶段
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// 这是禁止任何数据输出到framebuffer的方法
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rasterizationInfo.rasterizerDiscardEnable = VK_FALSE;
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// 设置片元如何从几何模型中产生，如果不是FILL，需要开启GPU feature
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// VK_POLYGON_MODE_FILL: 多边形区域填充
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// VK_POLYGON_MODE_LINE: 多边形边缘线框绘制
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// VK_POLYGON_MODE_POINT : 多边形顶点作为描点绘制
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rasterizationInfo.polygonMode = VK_POLYGON_MODE_FILL;
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rasterizationInfo.lineWidth = 1.0f;
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rasterizationInfo.cullMode = VK_CULL_MODE_FRONT_BIT;
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rasterizationInfo.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
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// 渲染阴影的偏移配置
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rasterizationInfo.depthBiasEnable = VK_FALSE;
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rasterizationInfo.depthBiasConstantFactor = 0.0f;
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rasterizationInfo.depthBiasClamp = 0.0f;
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rasterizationInfo.depthBiasSlopeFactor = 0.0f;
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// 设置Shader采样纹理的MSAA(不是输出到屏幕上的MSAA)，需要创建逻辑设备的时候开启VkPhysicalDeviceFeatures里的sampleRateShading才能生效，暂时关闭
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VkPipelineMultisampleStateCreateInfo multisampleInfo = {};
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multisampleInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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multisampleInfo.sampleShadingEnable = (VK_SAMPLE_COUNT_1_BIT & VK_SAMPLE_COUNT_1_BIT ? VK_FALSE : VK_TRUE);
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multisampleInfo.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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// 这个是调整sampleShading效果的，越接近1效果越平滑，越接近0性能越好
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multisampleInfo.minSampleShading = 1.0f;
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multisampleInfo.pSampleMask = VK_NULL_HANDLE;
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multisampleInfo.alphaToCoverageEnable = VK_FALSE;
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multisampleInfo.alphaToOneEnable = VK_FALSE;
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// Color Blend
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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_TRUE;
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colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
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colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
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colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
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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.pAttachments = &colorBlendAttachment;
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colorBlending.attachmentCount = 1;
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// 深度和模板配置
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VkPipelineDepthStencilStateCreateInfo depthStencilInfo = {};
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depthStencilInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
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// Depth
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depthStencilInfo.depthWriteEnable = VK_FALSE;
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depthStencilInfo.depthTestEnable = VK_TRUE;
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depthStencilInfo.depthCompareOp = VK_COMPARE_OP_LESS;
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depthStencilInfo.depthBoundsTestEnable = VK_FALSE;
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depthStencilInfo.minDepthBounds = 0.0f;
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depthStencilInfo.maxDepthBounds = 1.0f;
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// Stencil
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depthStencilInfo.stencilTestEnable = VK_FALSE;
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depthStencilInfo.front = {};
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depthStencilInfo.back = {};
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/*
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auto descriptorSetLayout = VulkanContext::CreateDescriptorSetLayout(shader.GetInfo());
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auto pipelineLayout = VulkanContext::CreatePipelineLayout({ descriptorSetLayout }, {});
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VkGraphicsPipelineCreateInfo pipelineInfo{};
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pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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pipelineInfo.pStages = shaderStages.data();
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pipelineInfo.stageCount = (uint32_t)shaderStages.size();
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pipelineInfo.pVertexInputState = &vertexInputInfo;
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pipelineInfo.pInputAssemblyState = &inputAssemblyInfo;
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pipelineInfo.pViewportState = &viewportStateInfo;
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pipelineInfo.pDynamicState = &dynamicStateInfo;
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pipelineInfo.pRasterizationState = &rasterizationInfo;
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pipelineInfo.pMultisampleState = &multisampleInfo;
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pipelineInfo.pColorBlendState = &colorBlending;
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pipelineInfo.pDepthStencilState = nullptr; //&depthStencilInfo;
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pipelineInfo.layout = pipelineLayout;
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pipelineInfo.renderPass = PassList[RENDER_FORWARD_RENDERING]->Ptr();
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pipelineInfo.subpass = 0;
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pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
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pipelineInfo.basePipelineIndex = -1;
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VkPipeline pipeLine;
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if (vkCreateGraphicsPipelines(device.Ptr(), VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &pipeLine) != VK_SUCCESS)
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throw std::runtime_error("failed to create graphics pipeline!");
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for (auto& shaderModule : shaderModules)
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vkDestroyShaderModule(device.Ptr(), shaderModule.second, nullptr);
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VulkanPipeline& vulkan_pipeline = PipelineTable[shader.GetGuid()];
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vulkan_pipeline.name = shader.Name();
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vulkan_pipeline.pipeline = pipeLine;
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vulkan_pipeline.inUse = true;
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vulkan_pipeline.pipelineLayout = pipelineLayout;
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vulkan_pipeline.descriptorSetLayout = descriptorSetLayout;
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vulkan_pipeline.descriptorSet = backend.GetPool().Allocate(descriptorSetLayout);*/
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}
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ImagePtr VulkanAPI::CreateTexture(TextureDesc desc)
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{
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if (desc.image) {
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return desc.image;
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}
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uint32_t depth = any(desc.dimension & TextureDimension::TEX_3D) ? 3 : 1;
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VkImageCreateInfo imageCreateInfo = {
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.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
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.pNext = NULL,
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.flags = vkApiGetImageCreateFlag(desc.dimension, desc.arraySize),
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.imageType = vkApiGetImageType(desc.dimension),
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.format = (VkFormat)TinyImageFormat_ToVkFormat(desc.format),
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.extent = {
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.width = (uint32_t)desc.width,
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.height = (uint32_t)desc.height,
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.depth = (uint32_t)desc.depth,
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},
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.mipLevels = desc.mipLevel,
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.arrayLayers = desc.arraySize,
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.samples = vkApiGetSmpleCountFlag(desc.sampleCount),
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.tiling = VK_IMAGE_TILING_OPTIMAL,
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.usage = vkApiGetImageUsageFlags(desc.state),
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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.queueFamilyIndexCount = 0,
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.pQueueFamilyIndices = NULL,
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.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED
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};
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return ImagePtr();
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}
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ImageViewPtr VulkanAPI::CreateTextureView(TextureViewDesc desc)
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{
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VkImageViewCreateInfo createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
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createInfo.image = (VkImage)desc.image;
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createInfo.viewType = vkApiGetImageViewType(desc.dimension, desc.layerCount);
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createInfo.format = (VkFormat)TinyImageFormat_ToVkFormat(desc.format);
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// components字段允许调整颜色通道的最终的映射逻辑
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// 比如，我们可以将所有颜色通道映射为红色通道，以实现单色纹理，我们也可以将通道映射具体的常量数值0和1
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// 这里用默认的
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createInfo.components.r = VK_COMPONENT_SWIZZLE_R;
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createInfo.components.g = VK_COMPONENT_SWIZZLE_G;
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createInfo.components.b = VK_COMPONENT_SWIZZLE_B;
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createInfo.components.a = VK_COMPONENT_SWIZZLE_A;
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// subresourceRangle字段用于描述图像的使用目标是什么，以及可以被访问的有效区域
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// 这个图像用作填充color还是depth stencil等
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createInfo.subresourceRange.aspectMask = vkApiGetImageAspectMask(createInfo.format, false);
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// 默认处理所有Mipmap
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createInfo.subresourceRange.baseMipLevel = desc.baseMipLevel;
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createInfo.subresourceRange.levelCount = desc.levelCount;
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// 默认处理所有Layers
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createInfo.subresourceRange.baseArrayLayer = desc.baseArrayLayer;
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createInfo.subresourceRange.layerCount = desc.layerCount;
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VkImageView imageView;
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vkCreateImageView(backend.GetDevice().Ptr(), &createInfo, nullptr, &imageView);
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return (ImageViewPtr)imageView;
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}
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void VulkanAPI::BeginFrame()
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{
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VulkanContext& ctx = *(VulkanContext*)&context;
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window.Aquire(ctx);
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ctx.command.BeginRecord(VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT);
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}
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void VulkanAPI::EndFrame()
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{
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VulkanContext& ctx = *(VulkanContext*)&context;
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ctx.command.EndRecord();
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VkPipelineStageFlags waitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT }; // 等待渲染阶段
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VkSemaphore waitSemaphores[] = { ctx.surfaceSemaphore };
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VkSemaphore signalSemaphores[] = { ctx.presentSemaphore };// 渲染完成信号量
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VkSubmitInfo submitInfo{};
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submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &ctx.command.Ptr();
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submitInfo.waitSemaphoreCount = 1;
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submitInfo.pWaitSemaphores = waitSemaphores;
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submitInfo.pWaitDstStageMask = waitStages;
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submitInfo.signalSemaphoreCount = 1;
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submitInfo.pSignalSemaphores = signalSemaphores;
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vkQueueSubmit(Backend::RenderWorker->GetQueue().Ptr(), 1, &submitInfo, ctx.surfaceFence);
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window.Present(ctx);
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}
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void VulkanAPI::ExecuteResourceBarriers(const ResourceBarrierDesc& desc) {
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VulkanContext& ctx = *(VulkanContext*)&context;
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pmr::vector<VkBufferMemoryBarrier> bufferBarriers{ FramePool() };
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bufferBarriers.reserve(desc.bufferBarriersCount);
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pmr::vector<VkImageMemoryBarrier> imageBarriers{ FramePool() };
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imageBarriers.reserve(desc.textureBarriersCount);
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VkPipelineStageFlags srcStageMask = 0, dstStageMask = 0;
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for (uint32_t i = 0; i < desc.textureBarriersCount; i++)
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{
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auto& barrier = desc.pTextureBarriers[i];
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auto desc = vkApiGetTextureTransition(srcStageMask, dstStageMask, barrier);
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imageBarriers.push_back(desc);
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}
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if (dstStageMask == 0) {
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dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
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}
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vkCmdPipelineBarrier(ctx.command.Ptr(), srcStageMask, dstStageMask, 0, 0, NULL, 0, NULL, imageBarriers.size(), imageBarriers.data());
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}
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void VulkanAPI::BeginRenderPass(RenderPassNode* node)
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{
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RenderPassKey config{};
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FramebufferKey frameKey{.layers = 1};
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VkClearValue clearValues[2 * MAX_SUPPORTED_RENDER_TARGET_COUNT + 1] = { 0 };
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int i = 0;
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for (auto& it : node->outEdges) {
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if (it->IsAttachment()) {
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auto& desc = it->CastTo<api::AttachmentDesc>();
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config.colorFormat[i] = (VkFormat)TinyImageFormat_ToVkFormat(desc.colorFormat);
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config.samples = vkApiGetSmpleCountFlag(desc.sampleCount);
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TargetBufferFlags flag = TargetBufferFlags(int(TargetBufferFlags::COLOR0) << i);
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config.clear |= flag;
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it.ResolveView(&graph);
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frameKey.imageViews[i] = (VkImageView)desc.imageView;
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frameKey.height = desc.height;
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frameKey.width = desc.width;
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//clearValues[i] =
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i++;
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}
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}
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frameKey.attachmentCount = i;
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VkRenderPass pass = GetRenderPass(config);
|
||
frameKey.pass = pass;
|
||
auto it = FramebufferCache.find(frameKey);
|
||
VkFramebuffer framebuffer = it->second;
|
||
if (it == FramebufferCache.end()) {
|
||
VkFramebufferCreateInfo framebufferInfo = {
|
||
.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
|
||
.renderPass = pass,
|
||
.attachmentCount = frameKey.attachmentCount,
|
||
.pAttachments = frameKey.imageViews,
|
||
.width = frameKey.width,
|
||
.height = frameKey.height,
|
||
.layers = frameKey.layers
|
||
};
|
||
vkCreateFramebuffer(backend.GetDevice().Ptr(), &framebufferInfo, nullptr, &framebuffer);
|
||
FramebufferCache.emplace(frameKey, framebuffer);
|
||
}
|
||
VkRect2D renderAarea = {
|
||
.offset = {0,0},
|
||
.extent = {frameKey.width,frameKey.height}
|
||
};
|
||
VkRenderPassBeginInfo beginInfo = {
|
||
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
|
||
.pNext = VK_NULL_HANDLE,
|
||
.renderPass = pass,
|
||
.framebuffer = framebuffer,
|
||
.renderArea = renderAarea,
|
||
.clearValueCount = frameKey.attachmentCount,
|
||
.pClearValues = clearValues
|
||
};
|
||
VulkanContext& ctx = *(VulkanContext*)&context;
|
||
vkCmdBeginRenderPass(ctx.command.Ptr(), &beginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||
}
|
||
void VulkanAPI::EndRenderPass(RenderPassNode* node)
|
||
{
|
||
VulkanContext& ctx = *(VulkanContext*)&context;
|
||
vkCmdEndRenderPass(ctx.command.Ptr());
|
||
}
|
||
VkRenderPass VulkanAPI::GetRenderPass(RenderPassKey& config) {
|
||
auto it = RenderPassCache.find(config);
|
||
if (it != RenderPassCache.end()) {
|
||
return it->second;
|
||
}
|
||
// Set up some const aliases for terseness.
|
||
const VkAttachmentLoadOp kClear = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
||
const VkAttachmentLoadOp kDontCare = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
||
const VkAttachmentLoadOp kKeep = VK_ATTACHMENT_LOAD_OP_LOAD;
|
||
const VkAttachmentStoreOp kDisableStore = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
||
const VkAttachmentStoreOp kEnableStore = VK_ATTACHMENT_STORE_OP_STORE;
|
||
|
||
VkAttachmentReference inputAttachmentRef[MAX_SUPPORTED_RENDER_TARGET_COUNT] = {};
|
||
VkAttachmentReference colorAttachmentRefs[2][MAX_SUPPORTED_RENDER_TARGET_COUNT] = {};
|
||
VkAttachmentReference resolveAttachmentRef[MAX_SUPPORTED_RENDER_TARGET_COUNT] = {};
|
||
VkAttachmentReference depthAttachmentRef = {};
|
||
|
||
const bool hasSubpasses = config.subpassMask != 0;
|
||
const bool hasDepth = config.depthFormat != VK_FORMAT_UNDEFINED;
|
||
|
||
VkSubpassDescription subpasses[2] = { {
|
||
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
|
||
.pInputAttachments = nullptr,
|
||
.pColorAttachments = colorAttachmentRefs[0],
|
||
.pResolveAttachments = resolveAttachmentRef,
|
||
.pDepthStencilAttachment = hasDepth ? &depthAttachmentRef : nullptr
|
||
},
|
||
{
|
||
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
|
||
.pInputAttachments = inputAttachmentRef,
|
||
.pColorAttachments = colorAttachmentRefs[1],
|
||
.pResolveAttachments = resolveAttachmentRef,
|
||
.pDepthStencilAttachment = hasDepth ? &depthAttachmentRef : nullptr
|
||
} };
|
||
|
||
// The attachment list contains: Color Attachments, Resolve Attachments, and Depth Attachment.
|
||
// For simplicity, create an array that can hold the maximum possible number of attachments.
|
||
// Note that this needs to have the same ordering as the corollary array in getFramebuffer.
|
||
VkAttachmentDescription attachments[MAX_SUPPORTED_RENDER_TARGET_COUNT + MAX_SUPPORTED_RENDER_TARGET_COUNT + 1] = {};
|
||
|
||
// We support 2 subpasses, which means we need to supply 1 dependency struct.
|
||
VkSubpassDependency dependencies[1] = { {
|
||
.srcSubpass = 0,
|
||
.dstSubpass = 1,
|
||
.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
|
||
.dstStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
|
||
.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
|
||
.dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
|
||
.dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT,
|
||
} };
|
||
// Finally, create the VkRenderPass.
|
||
VkRenderPassCreateInfo renderPassInfo{
|
||
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
|
||
.attachmentCount = 0u,
|
||
.pAttachments = attachments,
|
||
.subpassCount = hasSubpasses ? 2u : 1u,
|
||
.pSubpasses = subpasses,
|
||
.dependencyCount = hasSubpasses ? 1u : 0u,
|
||
.pDependencies = dependencies
|
||
};
|
||
int attachmentIndex = 0;
|
||
// Populate the Color Attachments.
|
||
for (int i = 0; i < MAX_SUPPORTED_RENDER_TARGET_COUNT; i++) {
|
||
if (config.colorFormat[i] == VK_FORMAT_UNDEFINED) {
|
||
continue;
|
||
}
|
||
const VkImageLayout subpassLayout = VK_IMAGE_LAYOUT_GENERAL;
|
||
uint32_t index;
|
||
|
||
if (!hasSubpasses) {
|
||
index = subpasses[0].colorAttachmentCount++;
|
||
colorAttachmentRefs[0][index].layout = subpassLayout;
|
||
colorAttachmentRefs[0][index].attachment = attachmentIndex;
|
||
}
|
||
else {
|
||
|
||
// The Driver API consolidates all color attachments from the first and second subpasses
|
||
// into a single list, and uses a bitmask to mark attachments that belong only to the
|
||
// second subpass and should be available as inputs. All color attachments in the first
|
||
// subpass are automatically made available to the second subpass.
|
||
|
||
// If there are subpasses, we require the input attachment to be the first attachment.
|
||
// Breaking this assumption would likely require enhancements to the Driver API in order
|
||
// to supply Vulkan with all the information needed.
|
||
if (config.subpassMask & (1 << i)) {
|
||
index = subpasses[0].colorAttachmentCount++;
|
||
colorAttachmentRefs[0][index].layout = subpassLayout;
|
||
colorAttachmentRefs[0][index].attachment = attachmentIndex;
|
||
|
||
index = subpasses[1].inputAttachmentCount++;
|
||
inputAttachmentRef[index].layout = subpassLayout;
|
||
inputAttachmentRef[index].attachment = attachmentIndex;
|
||
}
|
||
|
||
index = subpasses[1].colorAttachmentCount++;
|
||
colorAttachmentRefs[1][index].layout = subpassLayout;
|
||
colorAttachmentRefs[1][index].attachment = attachmentIndex;
|
||
}
|
||
const TargetBufferFlags flag = TargetBufferFlags(int(TargetBufferFlags::COLOR0) << i);
|
||
const bool clear = any(config.clear & flag);
|
||
const bool discard = any(config.discardStart & flag);
|
||
VkImageLayout layout = vkApiGetAttachmentLayout(config.colorFormat[i], true);
|
||
attachments[attachmentIndex++] = {
|
||
.format = config.colorFormat[i],
|
||
.samples = config.samples,
|
||
.loadOp = clear ? kClear : (discard ? kDontCare : kKeep),
|
||
.storeOp = kEnableStore,
|
||
.stencilLoadOp = kDontCare,
|
||
.stencilStoreOp = kDisableStore,
|
||
.initialLayout = layout,
|
||
.finalLayout = layout,
|
||
};
|
||
}
|
||
// Nulling out the zero-sized lists is necessary to avoid VK_ERROR_OUT_OF_HOST_MEMORY on Adreno.
|
||
if (subpasses[0].colorAttachmentCount == 0) {
|
||
subpasses[0].pColorAttachments = nullptr;
|
||
subpasses[0].pResolveAttachments = nullptr;
|
||
subpasses[1].pColorAttachments = nullptr;
|
||
subpasses[1].pResolveAttachments = nullptr;
|
||
}
|
||
// Populate the Resolve Attachments.
|
||
VkAttachmentReference* pResolveAttachment = resolveAttachmentRef;
|
||
for (int i = 0; i < MAX_SUPPORTED_RENDER_TARGET_COUNT; i++) {
|
||
if (config.colorFormat[i] == VK_FORMAT_UNDEFINED) {
|
||
continue;
|
||
}
|
||
|
||
if (!(config.needsResolveMask & (1 << i))) {
|
||
pResolveAttachment->attachment = VK_ATTACHMENT_UNUSED;
|
||
++pResolveAttachment;
|
||
continue;
|
||
}
|
||
|
||
pResolveAttachment->attachment = attachmentIndex;
|
||
pResolveAttachment->layout = VK_IMAGE_LAYOUT_GENERAL;
|
||
++pResolveAttachment;
|
||
|
||
attachments[attachmentIndex++] = {
|
||
.format = config.colorFormat[i],
|
||
.samples = VK_SAMPLE_COUNT_1_BIT,
|
||
.loadOp = kDontCare,
|
||
.storeOp = kEnableStore,
|
||
.stencilLoadOp = kDontCare,
|
||
.stencilStoreOp = kDisableStore,
|
||
.initialLayout = VK_IMAGE_LAYOUT_GENERAL,
|
||
.finalLayout = VK_IMAGE_LAYOUT_GENERAL,
|
||
};
|
||
}
|
||
// Populate the Depth Attachment.
|
||
if (hasDepth) {
|
||
const bool clear = any(config.clear & TargetBufferFlags::DEPTH);
|
||
const bool discardStart = any(config.discardStart & TargetBufferFlags::DEPTH);
|
||
const bool discardEnd = any(config.discardEnd & TargetBufferFlags::DEPTH);
|
||
depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
|
||
depthAttachmentRef.attachment = attachmentIndex;
|
||
attachments[attachmentIndex++] = {
|
||
.format = config.depthFormat,
|
||
.samples = (VkSampleCountFlagBits)config.samples,
|
||
.loadOp = clear ? kClear : (discardStart ? kDontCare : kKeep),
|
||
.storeOp = discardEnd ? kDisableStore : kEnableStore,
|
||
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
|
||
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
|
||
.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
|
||
.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
|
||
};
|
||
}
|
||
renderPassInfo.attachmentCount = attachmentIndex;
|
||
VkRenderPass renderPass;
|
||
VkResult error = vkCreateRenderPass(backend.GetDevice().Ptr(), &renderPassInfo, nullptr, &renderPass);
|
||
RenderPassCache.emplace(config, renderPass);
|
||
return renderPass;
|
||
}
|
||
}
|