create_pipeline_layout()

vk::PipelineLayout MayaFlux::Core::VKComputePipeline::create_pipeline_layout ( vk::Device  device, const ComputePipelineConfig &  config  )

private

Create pipeline layout from configuration.

Parameters

device	Logical device
config	Pipeline configuration

Returns

Pipeline layout handle, or null on failure

Definition at line 141 of file VKComputePipeline.cpp.

{
    std::vector<vk::PushConstantRange> vk_push_constants;
    vk_push_constants.reserve(config.push_constants.size());
 
    for (const auto& pc : config.push_constants) {
        vk::PushConstantRange range;
        range.stageFlags = pc.stage_flags;
        range.offset = pc.offset;
        range.size = pc.size;
        vk_push_constants.push_back(range);
    }
 
    vk::PipelineLayoutCreateInfo layout_info;
    layout_info.setLayoutCount = static_cast<uint32_t>(config.set_layouts.size());
    layout_info.pSetLayouts = config.set_layouts.empty() ? nullptr : config.set_layouts.data();
    layout_info.pushConstantRangeCount = static_cast<uint32_t>(vk_push_constants.size());
    layout_info.pPushConstantRanges = vk_push_constants.empty() ? nullptr : vk_push_constants.data();
 
    vk::PipelineLayout layout;
    try {
        layout = device.createPipelineLayout(layout_info);
    } catch (const vk::SystemError& e) {
        MF_ERROR(Journal::Component::Core, Journal::Context::GraphicsBackend,
            "Failed to create pipeline layout: {}", e.what());
        return nullptr;
    }
 
    MF_DEBUG(Journal::Component::Core, Journal::Context::GraphicsBackend,
        "Pipeline layout created ({} sets, {} push constant ranges)",
        config.set_layouts.size(), config.push_constants.size());
 
    return layout;
}

References MayaFlux::Journal::Core, MayaFlux::Journal::GraphicsBackend, MF_DEBUG, MF_ERROR, MayaFlux::Core::ComputePipelineConfig::push_constants, and MayaFlux::Core::ComputePipelineConfig::set_layouts.

Referenced by create().

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