http://bugs.winehq.org/show_bug.cgi?id=26763
--- Comment #9 from Sven Arvidsson sa@whiz.se 2011-04-22 09:14:23 CDT --- Not sure how relevant this is but:
Forcing software rendering with LIBGL_ALWAYS_SOFTWARE=1 makes no difference.
According to the game log, only 64 MB of video memory is detected, manually setting the correct value in VideoMemorySize makes no difference.