http://bugs.winehq.org/show_bug.cgi?id=32882
--- Comment #6 from Alexandre Julliard julliard@winehq.org 2013-02-13 07:50:20 CST --- Created attachment 43539 --> http://bugs.winehq.org/attachment.cgi?id=43539 Don't make GL windows layered
Please give this a try.