I'm trying to raise the issue with NVidia, but so far I haven't gotten a resonse from my contacts over there. 

Just so you are not stuck, the work around, of course, is to use a single window with multiple viewports.  However, this may not work for everyone, especially if you are embedding several windows in different parts of a GUI, or need your viewports to be in non-contiguous space on the screen.

-don

On 10/18/06, Sebastian Olsson <[EMAIL PROTECTED]> wrote:
Don Burns wrote:
> The issue is two windows on one card, single threaded.  This should
> _not_ cause the performance to drop to 30 hz., but it does...

I can just confirm that the same thing happens here... Running single
threaded on Quadro FX and winXP I get 30hz with two windows. And in my
case I need four windows...leaving me with just 15hz...

/Seb

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