Hello

Fairly simple question about how Quartz Composer handles and output image 
provider from a 3rd party plugin. If I provide and output image from a plugin 
as a pixel buffer

ie: calling outputImageProviderFromBufferWithPixelFormat

and if in another plugin, mine, or someone else's, i request a pixel buffer

ie: calling lockBufferRepresentationWithPixelFormat:

Will QC optimize and not upload to the GPU, and then readback?, in other words, 
will the memory 'stay' on the CPU? Does the texture uploading from the output 
image happen just in time, once for the initial request of an input image thats 
on the CPU, or will it happen regardless?

Thanks for any insight, just curious if pixel buffer to pixel buffer is 
possible automatically. Thanks!

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