ddraw: Check if surface is a mipmap sublevel or a non-positive X top level surface through caps in ddraw_surface7_GetPriority().
Signed-off-by: Riccardo Bortolato <rikyz619@gmail.com>
Signed-off-by: Stefan Dösinger <stefandoesinger@gmx.at>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>