[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 willie(a)froq.net  2006-28-04 12:42 -------
If Pbuffers or GLX pixmaps are too slow, it's still possible to use FBOs. FBOs 
don't need context switches and they don't have to be offscreen AFAIU, so they 
should only introduce a minor, if any, performance hit:

http://download.nvidia.com/developer/presentations/2005/GDC/OpenGL_Day/OpenG...
http://www.gamedev.net/columns/events/coverage/feature.asp?feature_id=75

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