teximage: ensure that Tex*SubImage* checks format

We were previously not doing at least some of the checks. This uses the
same logic that is used in glTexImage*.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
1 file changed