http://bugs.winehq.org/show_bug.cgi?id=18385
--- Comment #11 from H. Verbeet hverbeet@gmail.com 2009-05-13 00:39:14 --- That looks correct, so at least the basic EXT_framebuffer_blit functionality appears to work. Unfortunately, that also means it won't be easy for me to figure out what's wrong without having the appropriate hardware.