3fe45a9b6c
Instead of making it a function that pretends to choose aux usage (which isn't what it does at all), make it a function which returns whether or not we want to do a fast clear. This is far more accurate to the purpose of the function. Reviewed-by: Rafael Antognolli <rafael.antognolli@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4393>