http://bugs.winehq.org/show_bug.cgi?id=10837
--- Comment #4 from Henry nospam@thenerdshow.com 2008-09-04 00:06:12 --- No, I was wrong. It has nothing to do with graphics driver's 'sync to vblank' setting. I just upgraded to wine 1.1.3 from git today. I am getting blank blue windows using opengl. I have to set DirectDrawRender to gdi in regedit to play Blender-generated games.