Try creating a hidden window, then run your filter in it and see what  
frame rate it got, then set flags in your app accordingly.
Not sure if this is the BEST way, but is A way.

On 12-Dec-05, at 3:15 PM, Kevin Ballard wrote:

> I'm trying to programmatically determine whether a given CIFilter  
> is usable on the current graphics hardware, but I can't find any  
> definitive answer on how to do this. In Quartz Composer I can check  
> for given OpenGL extensions and hardware acceleration, which I  
> imagine is how I'm supposed to do this, except I'm not using Quartz  
> Composer and I don't know what combination of extensions/
> acceleration is necessary for my filter. Is there any good way to  
> figure this out, or am I going to have to try and find computers  
> with different graphics cards to test with? And even if I do the  
> testing, how am I supposed to detect the extensions/acceleration  
> availability?
>
> Thank you,
> Kevin Ballard
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