detect_stage_from_extension()

std::optional< ShaderStage > MayaFlux::Portal::Graphics::ShaderFoundry::detect_stage_from_extension ( const std::string &  filepath )

static

Auto-detect shader stage from file extension.

Parameters

filepath

Path to shader file

Returns

Detected stage, or nullopt if unknown

Delegates to VKShaderModule::detect_stage_from_extension().

Definition at line 1530 of file ShaderFoundry.cpp.

{
    auto vk_stage = Core::VKShaderModule::detect_stage_from_extension(filepath);
    if (!vk_stage.has_value()) {
        return std::nullopt;
    }
 
    switch (*vk_stage) {
    case vk::ShaderStageFlagBits::eCompute:
        return ShaderStage::COMPUTE;
    case vk::ShaderStageFlagBits::eVertex:
        return ShaderStage::VERTEX;
    case vk::ShaderStageFlagBits::eFragment:
        return ShaderStage::FRAGMENT;
    case vk::ShaderStageFlagBits::eGeometry:
        return ShaderStage::GEOMETRY;
    case vk::ShaderStageFlagBits::eTessellationControl:
        return ShaderStage::TESS_CONTROL;
    case vk::ShaderStageFlagBits::eTessellationEvaluation:
        return ShaderStage::TESS_EVALUATION;
    case vk::ShaderStageFlagBits::eMeshEXT:
        return ShaderStage::MESH;
    case vk::ShaderStageFlagBits::eTaskEXT:
        return ShaderStage::TASK;
    default:
        return std::nullopt;
    }
}

References MayaFlux::Portal::Graphics::COMPUTE, MayaFlux::Core::VKShaderModule::detect_stage_from_extension(), MayaFlux::Portal::Graphics::FRAGMENT, MayaFlux::Portal::Graphics::GEOMETRY, MayaFlux::Portal::Graphics::MESH, MayaFlux::Portal::Graphics::TASK, MayaFlux::Portal::Graphics::TESS_CONTROL, MayaFlux::Portal::Graphics::TESS_EVALUATION, and MayaFlux::Portal::Graphics::VERTEX.

Referenced by load_shader().

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