If that's the case, then how come the Dashboard doesn't ripple on  
lower-end graphics cards? For example, on my laptop at home it  
doesn't, but on my desktop it does. That's the distinction I'm going  
for - I want to be able to detect the same way the Dock does for when  
to use my effect, with the same requirements that the Dock is using.

On Dec 12, 2005, at 3:24 PM, Colin Cornaby wrote:

> As far as I'm aware, all filters should be able to render in  
> software mode. I don't think any filters require specific hardware  
> to run.
>
> -Colin
>
> On Dec 12, 2005, 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?

--
Kevin Ballard
Yahoo! Mac Engineer
ballard@yaho...
Phone: (408) 349-6693
Cell: (408) 660-5028
Yahoo! ID: k_r_ballard


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