it is sometimes useful to turn lowered bindless intrinsics into bound or vice
versa, and it is annoying to do so without this helper, so generalize the
helper.
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Job Noorman <job@noorman.info>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35949>