http://bugs.winehq.org/show_bug.cgi?id=13259
--- Comment #13 from stan stanphilipsen@hotmail.com 2009-04-12 17:09:18 --- This bug was related to bug 10631. The shader recompilation issues have been fixed, so this bug does not longer exists. I tried Company of Heroes and there are no problems with low framerate anymore.
Fixed.