All filters creating a red image about gpuimage2 HOT 4 CLOSED

This should be fixed now. The PictureInput was triggering an automatic reprocessing when it was attached as a target, but before it had been told to do so, leading to an ordering problem. I added a check around this in the latest commit, which seems to work on Mac, Simulator, and iOS devices.

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The plot thickens, it seems once I call .filterWithOperation twice on the same source image, the filter works. If I call it just once, the output is red.

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As a sanity check, I added an imageview to your example code in SimpleImageFilter:

// Filtering image for saving
let testImage = UIImage(named:"WID-small.jpg")!
let toonFilter = SmoothToonFilter()
let filteredImage = testImage.filterWithOperation(toonFilter)
imageView.image = filteredImage

And the output is a red image: http://imgur.com/CwowrcU

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Hi Brad, filters creating a red image randomly. The issue is coming once in a while not always.

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