[Bug 15232] Button in simple OpenGL application gets overdrawn

http://bugs.winehq.org/show_bug.cgi?id=15232

--- Comment #12 from Johannes  2012-04-19 14:38:40 CDT ---
Maybe I should note that the patch is not entirely error free (as Henri Verbeet
noted, it is more of a hack). For example, 3D output seems to be delayed by one
frame using this patch (e.g. the scene that should be painted at point X in
time is only painted on the next redraw following X).