http://bugs.winehq.org/show_bug.cgi?id=22136
--- Comment #4 from Nephyrin zey Nephyrin@nephyrin.net 2010-08-10 09:04:34 --- SC2 has gotten much better in wine recently, but shaders still murder your FPS. Ultra settings save for low shaders gives me roughly the same FPS as windows - Ultra settings + Ultra shaders gives me maybe 1/4th the FPS i get in windows.
I'm not sure if 'd3d shaders are still pretty slow' counts as its own bug, though.