http://bugs.winehq.org/show_bug.cgi?id=28086
--- Comment #5 from Nikolay Sivov bunglehead@gmail.com 2011-10-02 13:44:04 CDT --- SetDIBits() was significantly changed recently with 5f35075c8be21f46d5c73d782d2aa7435f5d576f, so I'm not sure regression results mean too much now. Also I wasn't able to reproduce that when patch was revertible.