[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]  2007-18-01 19:20 -------
More data: looks like there are both new and old Quadro FX's.

The old ones (e.g. the PNY Quadro FX 3000G, chipset nv35, introduced in 2003)
seem to display the corruption problem.

The new ones (e.g. the FX 1400 in Lei's HP, chipset nv41, introduced in 2004)
don't have the problem.