I have an OpenCL Capable GPU, but I can't finish deleting the stock code out of the OpenCL kernel before QC crashes (no Viewer running, not hooked to a renderer, etc...)! :)
Will file bug. -George Toledo On Thu, Sep 17, 2009 at 8:20 PM, vade <[email protected]> wrote: > Ha Wikipedia has an Open CL FFT implementation on their main OpenCL > article: > > http://en.wikipedia.org/wiki/OpenCL > > Now if I had an OpenCL Capable GPU id try it out :) > > > On Sep 17, 2009, at 8:10 PM, Chris Wood wrote: >> >> Here's a good challenge: fourier transform an image inside QC. Preferably >>> at decent speed. Including a quick filter of some sort, and the inverse >>> transform to get the image back. >>> >>> Can it be done in any sane way? Anyone tried it? >>> >>> The FFT methods I've come across so far involve multiple passes on the >>> image, and swapping between two buffers.. I guess this might possibly be >>> doable using a CI filter and a bit of javascript magic in the filter >>> function. They also seem to need two output channels for each input, which >>> could be more of an issue. >>> >>> The other option is to write a plugin, but that would be seriously >>> stretching my openGL skills a bit too far :) >>> >>> Chris >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Quartzcomposer-dev mailing list ([email protected] >>> ) >>> Help/Unsubscribe/Update your Subscription: >>> >>> http://lists.apple.com/mailman/options/quartzcomposer-dev/doktorp%40mac.com >>> >>> This email sent to [email protected] >>> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Quartzcomposer-dev mailing list ([email protected]) >> Help/Unsubscribe/Update your Subscription: >> >> http://lists.apple.com/mailman/options/quartzcomposer-dev/doktorp%40mac.com >> >> This email sent to [email protected] >> > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > > http://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com > > This email sent to [email protected] >
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