Hey @warrenm, I was playing around with MPS from your tutorial http://metalbyexample.com/metal-performance-shaders-in-swift/ … now I want to try and chain some filters, Sobel and Resize for example but I'm not sure where to start. Any tips?
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Nope, not using heaps. The part where I'm kind of stranded is the source and destination textures when I encode the filters, how to make sure these are the right size and set up in the correct way in general.
Hmm, so Sobel is 1:1 in general, right (modulo at most a very small border, depending on edge mode)? The question is how to allocate a destination texture of a resize kernel? In that event, I would suppose the dest size to be floor(scaleFactor*sourceSize)?