http://bugs.winehq.org/show_bug.cgi?id=11584
--- Comment #68 from Stefan Dösinger stefandoesinger@gmx.at 2008-06-06 13:43:26 --- My opinion is to defer it. This is a bug hiding at least one, possibly more other bugs. The reverting patch Vitaliy sent was correct.
It may be worth a try adding a newrendertarget != oldrendertarget checks to both PreLoad calls; However, that would also be fixing the symptoms, not the bug, for a part at least.