https://bugs.winehq.org/show_bug.cgi?id=39749
--- Comment #6 from Henri Verbeet hverbeet@gmail.com --- (In reply to Béla Gyebrószki from comment #5)
The patch from bug #30062 (attachment #56719 [details]) fixes the problem for me when using nouveau/mesa.
That may just be because it doesn't use OpenGL to update the frontbuffer in that case though. Any chance this is similar to bug 42002/https://bugs.freedesktop.org/show_bug.cgi?id=99116 ?