http://bugs.winehq.org/show_bug.cgi?id=26383
--- Comment #8 from Henri Verbeet hverbeet@gmail.com 2011-03-12 08:38:33 CST --- (In reply to comment #7)
driver's state, so this error could be induced by something else. Maybe I should look for possible distortion source, before filling anything into ATI's bugzilla?
I imagine it would certainly help if you could narrow it down to a small test case. I'd imagine some property of the texture that's attached to the FBO to be involved, like e.g. filtering settings or number of mip levels.