radv: Pass CMASK alignment to application.

CMASK alignment can be greater than image data alignment, so pass
it to the app so that it knows what alignment to backing memory
should have.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Cc: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit eb01b20cc41e9501062eb25034069e484f8b1899)
1 file changed