http://bugs.winehq.org/show_bug.cgi?id=29371
--- Comment #9 from Alex alexhultman@gmail.com 2011-12-22 03:31:33 CST --- (In reply to comment #4)
Wine already does mark its windows as fullscreen that should be enough.
If you want the window to be unredirected in Mutter 3.2 you have to flag it as fullscreen And override-redirect.
https://bugzilla.gnome.org/show_bug.cgi?id=597014
http://tronche.com/gui/x/xlib/window/attributes/override-redirect.html
Most (if not all) native linux games do this and are properly unredirected in Mutter 3.2.