[Bug 2398] OpenGL is only used only on top level windows so child windows get overdrawn

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=2398

------- Additional Comments From [e-mail]  2006-21-04 22:00 -------
The cause is really simple actually: Wine creates X windows for top level
windows _only_. All the rest of the windows are Wine only windows and do not
exist for X.

But libGL can draw on X windows only...