http://bugs.winehq.org/show_bug.cgi?id=31071
--- Comment #48 from Anton Vorobyov phoenix@mail.ru 2012-07-22 09:40:37 CDT --- I meant it's removed completely with this commit being reverted + few more mistypes in my last comment.
Now i think it's actually some kind of post-processing (hdr/bloom) which just doesn't work under wine for some reason.