With the AMD r500 Windows result we have so many combinations that I
don't see the point of testing this case. As an added bonus, we can
remove the allow_zero flag now.
Signed-off-by: Stefan Dösinger <stefan@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>