http://bugs.winehq.org/show_bug.cgi?id=30503
--- Comment #4 from igor boulliev igor.boulliev@gmail.com 2012-11-21 05:34:56 CST --- Created attachment 42569 --> http://bugs.winehq.org/attachment.cgi?id=42569 fixes upside down with orm=backbuffer
i have met this bug (picture is upside down flipped in menu and game, but intro video is ok); with orm=fbo rendering extremely slow, so i found possible solution for orm=backbuffer. (this patch does not affects fbo mode, afaik)