http://bugs.winehq.org/show_bug.cgi?id=28509
--- Comment #4 from Astarte Viviani astarteviviani@gmail.com 2011-10-03 15:01:15 CDT --- I am such a fool.
The problems are still present in the original system, but I failed to notice that I didn't enable the OpenGL drivers in the other one... so maybe the problem is direct3d related? I will repeat the regression test as soon as possible.