compositor: Limit damage region to the screen
When an offscreen window is damaged, there is no need to repaint any screen region. Limit damage to the screen region only. Signed-off-by: Olivier Fourdan <fourdan@xfce.org>
When an offscreen window is damaged, there is no need to repaint any screen region. Limit damage to the screen region only. Signed-off-by: Olivier Fourdan <fourdan@xfce.org>