What standard based approach? "Shader Intrinsics" are non-standard by definition these are pre-compiled binaries that bypass the API, and only AMD uses them for

What standard based approach? "Shader Intrinsics" are non-standard by definition these are pre-compiled binaries that bypass the API, and only AMD uses them for graphics. And i know what you are talking about but both OpenGL and Vulkan support extensions but this isn't what we are really talking about.