freedreno/ir3: respect tex prefetch limits

Refactor a bit the limit checking in the bindless case, and add tex/samp
limit checking for the non-bindless case, to ensure we do not try to
prefetch textures which cannot be encoded in the # of bits available.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5431>
2 files changed