To Do

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• init kernel that copies initial buffer down the image (there must be a better way)
• twist kernel that does the meat of the transform function
• offset kernel that sets apart the search space (adder or incrementer?)
• webgl2 transform feedback for outputting / watching found/index variables
• re-use programs without re-compiling and linking
• delete programs when done to avoid overrunning memory
• possible memory blocking?