Method setupPipeline

examples/vulkan/Vulkan.cpp:1094–1228

Set up rendering pipeline

    // Set up rendering pipeline
    void setupPipeline()
    {
        // Set up how the vertex shader pulls data out of our vertex buffer
        VkVertexInputBindingDescription vertexInputBindingDescription = VkVertexInputBindingDescription();
        vertexInputBindingDescription.binding                         = 0;
        vertexInputBindingDescription.stride                          = sizeof(float) * 9;
        vertexInputBindingDescription.inputRate                       = VK_VERTEX_INPUT_RATE_VERTEX;

        // Set up how the vertex buffer data is interpreted as attributes by the vertex shader
        std::array<VkVertexInputAttributeDescription, 3> vertexInputAttributeDescriptions{};

        // Position attribute
        vertexInputAttributeDescriptions[0]          = VkVertexInputAttributeDescription();
        vertexInputAttributeDescriptions[0].binding  = 0;
        vertexInputAttributeDescriptions[0].location = 0;
        vertexInputAttributeDescriptions[0].format   = VK_FORMAT_R32G32B32_SFLOAT;
        vertexInputAttributeDescriptions[0].offset   = sizeof(float) * 0;

        // Color attribute
        vertexInputAttributeDescriptions[1]          = VkVertexInputAttributeDescription();
        vertexInputAttributeDescriptions[1].binding  = 0;
        vertexInputAttributeDescriptions[1].location = 1;
        vertexInputAttributeDescriptions[1].format   = VK_FORMAT_R32G32B32A32_SFLOAT;
        vertexInputAttributeDescriptions[1].offset   = sizeof(float) * 3;

        // Texture coordinate attribute
        vertexInputAttributeDescriptions[2]          = VkVertexInputAttributeDescription();
        vertexInputAttributeDescriptions[2].binding  = 0;
        vertexInputAttributeDescriptions[2].location = 2;
        vertexInputAttributeDescriptions[2].format   = VK_FORMAT_R32G32_SFLOAT;
        vertexInputAttributeDescriptions[2].offset   = sizeof(float) * 7;

        VkPipelineVertexInputStateCreateInfo vertexInputStateCreateInfo = VkPipelineVertexInputStateCreateInfo();
        vertexInputStateCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
        vertexInputStateCreateInfo.vertexBindingDescriptionCount   = 1;
        vertexInputStateCreateInfo.pVertexBindingDescriptions      = &vertexInputBindingDescription;
        vertexInputStateCreateInfo.vertexAttributeDescriptionCount = static_cast<std::uint32_t>(
            vertexInputAttributeDescriptions.size());
        vertexInputStateCreateInfo.pVertexAttributeDescriptions = vertexInputAttributeDescriptions.data();

        // We want to generate a triangle list with our vertex data
        VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateCreateInfo = VkPipelineInputAssemblyStateCreateInfo();
        inputAssemblyStateCreateInfo.sType    = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
        inputAssemblyStateCreateInfo.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
        inputAssemblyStateCreateInfo.primitiveRestartEnable = VK_FALSE;

        // Set up the viewport
        VkViewport viewport = VkViewport();
        viewport.x          = 0.0f;
        viewport.y          = 0.0f;
        viewport.width      = static_cast<float>(swapchainExtent.width);
        viewport.height     = static_cast<float>(swapchainExtent.height);
        viewport.minDepth   = 0.0f;
        viewport.maxDepth   = 1.f;

        // Set up the scissor region
        VkRect2D scissor = VkRect2D();
        scissor.offset.x = 0;