resolve_shader_path()

std::optional< std::filesystem::path > MayaFlux::Portal::Graphics::ShaderFoundry::resolve_shader_path ( const std::string &  filepath ) const

private

Definition at line 359 of file ShaderFoundry.cpp.

{
    namespace fs = std::filesystem;
 
    fs::path path(filepath);
 
    if (path.is_absolute() || fs::exists(filepath)) {
        return path;
    }
 
    std::vector<std::string> search_paths = {
        Core::SHADER_BUILD_OUTPUT_DIR,
        Core::SHADER_INSTALL_DIR,
        Core::SHADER_SOURCE_DIR,
        "./shaders",
        "../shaders",
        "data/shaders",
        "./data/shaders",
        "../data/shaders"
    };
 
    if (std::string_view(Core::SHADER_EXAMPLE_DIR).length() > 0) {
        search_paths.emplace_back(Core::SHADER_EXAMPLE_DIR);
    }
 
#ifdef MAYAFLUX_PROJECT_SHADER_DIR
    search_paths.emplace_back(MAYAFLUX_PROJECT_SHADER_DIR);
#endif
 
    for (const auto& search_path : search_paths) {
        fs::path full_path = fs::path(search_path) / filepath;
        if (fs::exists(full_path)) {
            return full_path;
        }
    }
 
    return std::nullopt;
}

Referenced by detect_source_type().

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