I think one of the recent opengl patches breaks some games. I use the sources checked out yesterday. Here is the log of Star Wars: Knights of the Old Republic:
~/.wine/c/kotor $ wine swkotor.exe err:wgl:process_attach X11DRV or GDI32 not loaded. Cannot create default context. err:module:LdrInitializeThunk "opengl32.dll" failed to initialize, aborting err:module:LdrInitializeThunk Main exe initialization for L"C \kotor\swkotor.exe" failed, status c0000142