Method new

crates/rustc_codegen_spirv/src/symbols.rs:307–407

()

impl Symbols {
    fn new() -> Self {
        let builtins = BUILTINS
            .iter()
            .map(|&(a, b)| (a, SpirvAttribute::Builtin(b)));
        let storage_classes = STORAGE_CLASSES
            .iter()
            .map(|&(a, b)| (a, SpirvAttribute::StorageClass(b)));
        let execution_models = EXECUTION_MODELS
            .iter()
            .map(|&(a, b)| (a, SpirvAttribute::Entry(b.into())));
        let custom_attributes = [
            (
                "sampler",
                SpirvAttribute::IntrinsicType(IntrinsicType::Sampler),
            ),
            (
                "generic_image_type",
                SpirvAttribute::IntrinsicType(IntrinsicType::GenericImageType),
            ),
            (
                "acceleration_structure",
                SpirvAttribute::IntrinsicType(IntrinsicType::AccelerationStructureKhr),
            ),
            (
                "ray_query",
                SpirvAttribute::IntrinsicType(IntrinsicType::RayQueryKhr),
            ),
            ("block", SpirvAttribute::Block),
            ("flat", SpirvAttribute::Flat),
            ("invariant", SpirvAttribute::Invariant),
            (
                "sampled_image",
                SpirvAttribute::IntrinsicType(IntrinsicType::SampledImage),
            ),
            (
                "runtime_array",
                SpirvAttribute::IntrinsicType(IntrinsicType::RuntimeArray),
            ),
            (
                "matrix",
                SpirvAttribute::IntrinsicType(IntrinsicType::Matrix),
            ),
            ("buffer_load_intrinsic", SpirvAttribute::BufferLoadIntrinsic),
            (
                "buffer_store_intrinsic",
                SpirvAttribute::BufferStoreIntrinsic,
            ),
        ]
        .iter()
        .cloned();
        let attributes_iter = builtins
            .chain(storage_classes)
            .chain(execution_models)
            .chain(custom_attributes)
            .map(|(a, b)| (Symbol::intern(a), b));
        let mut attributes = FxHashMap::default();
        for (a, b) in attributes_iter {
            let old = attributes.insert(a, b);