Commit d24da5f5 authored by Andy McFadden's avatar Andy McFadden
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Add a function to save GL frame to a PNG 

This adds a debug utility function that grabs the current GL frame
with glReadPixels, compresses it, and saves it on disk as a PNG.

Change-Id: I6e558233b3072a73bcce20275550857c2b3f50b4
parent dedc33d8
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