def METHOD_NAME(self):
    def get_code(name: str) -> str | None:
        return get_shader_code_from_file(
            self.shader_folder / f"{name}.glsl",
        )
    self.program_code = {
        "vertex_shader": get_code("vert"),
        "geometry_shader": get_code("geom"),
        "fragment_shader": get_code("frag"),
    }