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Why is WhackedTV slower than BrideOfMungGrab?



Hi all.

I've been investigating the sequence grabber related sample
code, in order to do some realtime computer vision processing.

Comparing BrideOfMungGrab with WhackedTV, I see
BrideOfMungGrab using ~25% CPU, versus 100% CPU with
WhackedTV (iBook 1ghz, 10.4.5, iSight).  Looking with Shark
it seems that WhackedTV is rendering the OpenGL view in
software - should it be possible to use the hardware a bit
more effectively with the WhackedTV sample, or do I have to
stick with the old GWorlds?

Cheers,
Matt

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