http://bugs.winehq.org/show_bug.cgi?id=22608
--- Comment #15 from Kaczor mrkaczor@interia.pl 2010-06-30 04:45:04 --- probably it is - because same noGLSL workaround works for beams and for PI ... Now I have 8800gt back and everything works perfectly with GLSL but I this bug will be opened for long time then I will try to do some testing on my old 7300gts.