[Gtkradiant] [Bug 617] Netmeeting Remote Desktop Sharing inte rferance.

[gtkradiant@zerowing.idsoftware.com]

> Detecting wether GL is running in software mode would be 
> useful, I'm not so sure
> there is a way to do that though.

If you query the pixelformat used by the window, you can
watch the dwFlags member (on Win32 at least) and check
for PFD_GENERIC_FORMAT and !PFD_GENERIC_ACCELERATED --
that combo indicates software mode afaik.

hth