We will still block on a subsequent NOOVERWRITE map, so in practice this
probably doesn't remove any bottlenecks. However, it leads to clearer code, and
it matches what will need to be done for textures.
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>