https://bugs.winehq.org/show_bug.cgi?id=38626
--- Comment #11 from Alexandre Julliard julliard@winehq.org --- When using an ARGB visual, the window doesn't need to be destroyed and recreated, so it works much better. With current Wine an ARGB visual can be selected by setting "ScreenDepth"="32" under HKCU\Software\Wine\X11 Driver.