Vulkanの話 第5回

bool InitializePipeline(){ { // デスクリプタセットレイアウトに対応したパイプラインレイアウトを生成する vk::PipelineLayoutCreateInfo pPipelineLayoutCreateInfo; pPipelineLayoutCreateInfo.setLayoutCount = 1; pPipelineLayoutCreateInfo.pSetLayouts = &g_VkDescSetLayout; g_VkPipeLayout = g_VkDevice.createPipelineLayout(pPipelineLayoutCreateInfo); } // 描画トポロジの設定 vk::PipelineInputAssemblyStateCreateInfo inputAssemblyState; inputAssemblyState.topology = vk::PrimitiveTopology::eTriangleList; // ラスタライズステートの設定 vk::PipelineRasterizationStateCreateInfo rasterizationState; // 略 // ブレンドモードの設定 vk::PipelineColorBlendStateCreateInfo colorBlendState; vk::PipelineColorBlendAttachmentState blendAttachmentState[1] = {}; // 略 // Viewportステートの設定 vk::PipelineViewportStateCreateInfo viewportState; viewportState.viewportCount = 1; viewportState.scissorCount = 1; // DynamicStateを利用してViewportとScissorBoxを変更できるようにしておく vk::PipelineDynamicStateCreateInfo dynamicState; std::vector<vk::DynamicState> dynamicStateEnables; dynamicStateEnables.push_back(vk::DynamicState::eViewport); dynamicStateEnables.push_back(vk::DynamicState::eScissor); dynamicState.pDynamicStates = dynamicStateEnables.data(); dynamicState.dynamicStateCount = static_cast<uint32_t>(dynamicStateEnables.size()); // DepthStensilステートの設定 vk::PipelineDepthStencilStateCreateInfo depthStencilState; // 略 // マルチサンプルステート vk::PipelineMultisampleStateCreateInfo multisampleState; // 略 // シェーダ設定 std::array<vk::PipelineShaderStageCreateInfo, 2> shaderStages; shaderStages[0].stage = vk::ShaderStageFlagBits::eVertex; shaderStages[0].module = g_VkVShader; shaderStages[0].pName = "main"; // 略 // パイプライン情報に各種ステートを設定して生成 vk::GraphicsPipelineCreateInfo pipelineCreateInfo; pipelineCreateInfo.layout = g_VkPipeLayout; pipelineCreateInfo.renderPass = g_VkRenderPass; pipelineCreateInfo.stageCount = static_cast<uint32_t>(shaderStages.size()); pipelineCreateInfo.pStages = shaderStages.data(); pipelineCreateInfo.pVertexInputState = &g_VkVertexInputState; pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState; pipelineCreateInfo.pRasterizationState = &rasterizationState; pipelineCreateInfo.pColorBlendState = &colorBlendState; pipelineCreateInfo.pMultisampleState = &multisampleState; pipelineCreateInfo.pViewportState = &viewportState; pipelineCreateInfo.pDepthStencilState = &depthStencilState; pipelineCreateInfo.pDynamicState = &dynamicState; g_VkSamplePipeline = g_VkDevice.createGraphicsPipelines(g_VkPipelineCache, pipelineCreateInfo, nullptr)[0]; if (!g_VkSamplePipeline) { return false; } return true;}

vk::ImageSubresourceRange depthSubRange; depthSubRange.aspectMask = vk::ImageAspectFlagBits::eDepth | vk::ImageAspectFlagBits::eStencil; depthSubRange.levelCount = 1; depthSubRange.layerCount = 1;// クリアするためにレイアウトを変更 SetImageLayout( cmdBuffer, g_VkDepthBuffer.image, vk::ImageLayout::eDepthStencilAttachmentOptimal, vk::ImageLayout::eTransferDstOptimal, depthSubRange);// クリア cmdBuffer.clearDepthStencilImage(g_VkDepthBuffer.image, vk::ImageLayout::eTransferDstOptimal, clearDepth, depthSubRange);// 描画のためにレイアウトを変更 SetImageLayout( cmdBuffer, g_VkDepthBuffer.image, vk::ImageLayout::eTransferDstOptimal, vk::ImageLayout::eDepthStencilAttachmentOptimal, depthSubRange);