Don't count on it, write it out (unless it's much uglier - in which case, still write it out, but leave the original code in a comment.) New architectures, new

Don't count on it, write it out (unless it's much uglier - in which case, still write it out, but leave the original code in a comment.) New architectures, new platforms, a mess of shader languages, and the practice of customizing shaders for big titles leads to driver/compiler teams being chronically understaffed and overworked.