proc shader(self: ShaderMaterial): Shader {.
gcsafe, locks: 0, raises: [Exception],
                                        tags: [RootEffect]
.}

proc shader=(self: ShaderMaterial; val: Shader) {.
gcsafe, locks: 0, raises: [], tags: []
.}

proc setShaderParam(self: ShaderMaterial; param: string; value: Variant) {.
gcsafe,
    locks: 0, raises: [], tags: []
.}

proc getShaderParam(self: ShaderMaterial; param: string): Variant {.
gcsafe, locks: 0,
    raises: [], tags: []
.}