The practical effect of this is to defer clearing buffers until they are used.
Under normal circumstances the buffer will be initially discarded, in which
case we need not clear it at all, and may even avoid ever allocating sysmem.
Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>