[Bug 2398] OpenGL is only used 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]  2007-03-04 12:23 -------
Created an attachment (id=5623)
 --> (http://bugs.winehq.org/attachment.cgi?id=5623&action=view)
OpenGL child window patch + NWN hack (?)

This patch is the same opengl child window patch as before but with a change to
allow the NWN model viewer to work. I don't know whether it is fully correct. I
have seen Lionel do something similar and need to talk to him about it. Please
test if it works better (I doubt it will fix the Weatherscope issue yet)