http://bugs.winehq.org/show_bug.cgi?id=25975
--- Comment #4 from Henri Verbeet hverbeet@gmail.com 2011-04-06 17:58:26 CDT --- (In reply to comment #3)
That's interesting. With vlc running in the background, the screenspace taken by the video is properly updated.
Anyway: only happens with compositing enabled.
Yeah, that would be consistent with a missing glFlush() somewhere. Could you create a +ddraw,+d3d,+d3d_surface log? I suspect surface_blt_fbo(), but I'd like to make sure.