Method prepare_pipeline

cube/cube.cpp:2620–2686

}

void Demo::prepare_pipeline() {
    vk::PipelineCacheCreateInfo const pipelineCacheInfo;
    auto result = device.createPipelineCache(&pipelineCacheInfo, nullptr, &pipelineCache);
    VERIFY(result == vk::Result::eSuccess);

    std::array<vk::PipelineShaderStageCreateInfo, 2> const shaderStageInfo = {
        vk::PipelineShaderStageCreateInfo().setStage(vk::ShaderStageFlagBits::eVertex).setModule(prepare_vs()).setPName("main"),
        vk::PipelineShaderStageCreateInfo().setStage(vk::ShaderStageFlagBits::eFragment).setModule(prepare_fs()).setPName("main")};

    vk::PipelineVertexInputStateCreateInfo const vertexInputInfo;

    auto const inputAssemblyInfo = vk::PipelineInputAssemblyStateCreateInfo().setTopology(vk::PrimitiveTopology::eTriangleList);

    // TODO: Where are pViewports and pScissors set?
    auto const viewportInfo = vk::PipelineViewportStateCreateInfo().setViewportCount(1).setScissorCount(1);

    auto const rasterizationInfo = vk::PipelineRasterizationStateCreateInfo()
                                       .setDepthClampEnable(VK_FALSE)
                                       .setRasterizerDiscardEnable(VK_FALSE)
                                       .setPolygonMode(vk::PolygonMode::eFill)
                                       .setCullMode(vk::CullModeFlagBits::eBack)
                                       .setFrontFace(vk::FrontFace::eCounterClockwise)
                                       .setDepthBiasEnable(VK_FALSE)
                                       .setLineWidth(1.0f);

    auto const multisampleInfo = vk::PipelineMultisampleStateCreateInfo();

    auto const stencilOp =
        vk::StencilOpState().setFailOp(vk::StencilOp::eKeep).setPassOp(vk::StencilOp::eKeep).setCompareOp(vk::CompareOp::eAlways);

    auto const depthStencilInfo = vk::PipelineDepthStencilStateCreateInfo()
                                      .setDepthTestEnable(VK_TRUE)
                                      .setDepthWriteEnable(VK_TRUE)
                                      .setDepthCompareOp(vk::CompareOp::eLessOrEqual)
                                      .setDepthBoundsTestEnable(VK_FALSE)
                                      .setStencilTestEnable(VK_FALSE)
                                      .setFront(stencilOp)
                                      .setBack(stencilOp);

    std::array<vk::PipelineColorBlendAttachmentState, 1> const colorBlendAttachments = {
        vk::PipelineColorBlendAttachmentState().setColorWriteMask(vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG |
                                                                  vk::ColorComponentFlagBits::eB | vk::ColorComponentFlagBits::eA)};

    auto const colorBlendInfo = vk::PipelineColorBlendStateCreateInfo().setAttachments(colorBlendAttachments);

    std::array<vk::DynamicState, 2> const dynamicStates = {vk::DynamicState::eViewport, vk::DynamicState::eScissor};

    auto const dynamicStateInfo = vk::PipelineDynamicStateCreateInfo().setDynamicStates(dynamicStates);

    auto pipline_return = device.createGraphicsPipelines(pipelineCache, vk::GraphicsPipelineCreateInfo()
                                                                            .setStages(shaderStageInfo)
                                                                            .setPVertexInputState(&vertexInputInfo)
                                                                            .setPInputAssemblyState(&inputAssemblyInfo)
                                                                            .setPViewportState(&viewportInfo)
                                                                            .setPRasterizationState(&rasterizationInfo)
                                                                            .setPMultisampleState(&multisampleInfo)
                                                                            .setPDepthStencilState(&depthStencilInfo)
                                                                            .setPColorBlendState(&colorBlendInfo)