I'm trying to do a fancy fullscreen transition (something like the
intro to Front Row) but the performance of the CoreImage transitions
is terrible on my PB - I max out at 20 fps - definitely not fluid.
Here's my computer stats:
Machine Name: PowerBook G4 17"
Machine Model: PowerBook5,7
CPU Type: PowerPC G4 (1.2)
Number Of CPUs: 1
CPU Speed: 1.67 GHz
L2 Cache (per CPU): 512 KB
Memory: 2 GB
Bus Speed: 167 MHz
ATI Mobility Radeon 9700:
The CoreImage context has been told to always use the GPU.
I've tried running some simulations in Quartz Composer - with full
screen sized images - and the performance there is bad too - 20 fps
when full screen. Even something as simple as the Dissolve seems to
make it sweat - I thought the GPU would eat that for breakfast.
Is there a trick to getting decent performance with these transitions?
Thanks,
Robert.
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