Is there a way to get back to a CVPixelBuffer after running the GPU so a program can process it for networking?
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What about [glReadPixels](https://www.khronos.org/registry/OpenGL-Refpages/es3.0/html/glReadPixels.xhtml) – Ripi2 Jul 10 '17 at 16:25
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My answer here describes a fast process for doing this: https://stackoverflow.com/questions/9550297/faster-alternative-to-glreadpixels-in-iphone-opengl-es-2-0 – Brad Larson Jul 13 '17 at 17:31