- Our First OpenGL Rendering
- from OpenGL Programming Guide: The Official Guide to Learning OpenGL, Version 4.3, Eighth Edition
- Publisher: Addison-Wesley Professional
- Released: March 2013
glFlush only forces all commands in the command buffer to be passed in to the hardware for execution, and then returns. glFinish does the above, but also waits/blocks until the hardware confirms it has executed all those commands, and THEN returns.
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