transform feedback to process vertices using a GPU
- Getting Data into and out of Buffers
- from OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition
- Publisher: Addison-Wesley Professional
- Released: March 2013
This could be useful for example to apply histogram analysis to a camera frame, (possibly with a compute shader), and then to read data back to host application / CPU for storage / saving, etc..
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