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Old 05-11-10, 12:49 PM   #9
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Join Date: Feb 2007
Posts: 25
Default Re: VSYNC Frame Counter

Let me try this again... I'm at a loss on this..

Why does it take 13ms for glXQueryFramCountNV() to return?

When fetching or storing from/to a large textures on the video card, why does glXWaitVideoSyncSGI() appear to sometimes return an incorrect frame count (i.e. frame count seems to be incremented by 1 but time several hundred milliseconds in time have passed)?

Any help would be appreciated.. I'm at a loss on how to tell if I have missed VSYNC.

I'm using 185.18.14 (newer versions of the driver caused me other video problems) on a Quadro FX 5600.

Paul P.
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