#define_import_path hdr
// Maps HDR values to linear values
// Based on http://www.oscars.org/science-technology/sci-tech-projects/aces
fn aces_tone_map(hdr: vec3<f32>) -> vec3<f32> {
    let m1 = mat3x3(
        0.59719, 0.07600, 0.02840,
        0.35458, 0.90834, 0.13383,
        0.04823, 0.01566, 0.83777,
    );
    let m2 = mat3x3(
        1.60475, -0.10208, -0.00327,
        -0.53108,  1.10813, -0.07276,
        -0.07367, -0.00605,  1.07602,
    );
    let v = m1 * hdr;
    let a = v * (v + 0.0245786) - 0.000090537;
    let b = v * (0.983729 * v + 0.4329510) + 0.238081;
    return clamp(m2 * (a / b), vec3(0.0), vec3(1.0));
}

        let mut composer = compose::Composer::default();

        let composer = compose::Composer::default();

        let hdr_module_src = include_str!("../../hdr.wgsl");
        let (name, imports, shader_defs) = compose::get_preprocessor_data(hdr_module_src);
        composer.add_composable_module(compose::ComposableModuleDescriptor {
            as_name: name,
            source: hdr_module_src,
            file_path: "hdr.wgsl",
            language: compose::ShaderLanguage::Wgsl,
            additional_imports: &imports,
            shader_defs,
        })?;

        // let hdr_module_src = include_str!("../../hdr.wgsl");
        // let (name, imports, shader_defs) = compose::get_preprocessor_data(hdr_module_src);
        // composer.add_composable_module(compose::ComposableModuleDescriptor {
        //     as_name: name,
        //     source: hdr_module_src,
        //     file_path: "hdr.wgsl",
        //     language: compose::ShaderLanguage::Wgsl,
        //     additional_imports: &imports,
        //     shader_defs,
        // })?;