2604c65174
These are unified in the hardware, so let's unify them in pan_shader_info. Hoisting this logic to pan_shader.c avoids the need to duplicate this logic for Midgard/Bifrost (RSD packing) and Valhall (SPD packing). Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15204>