We'll use this for D32->D24X8 conversion on Intel on Gfx11/Gfx12.0/DG2 (where HW doesn't have fp64 support). Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33422>