4
votes
3answers
417 views

How long does it take for OpenGL to actually update the screen?

I have a simple OpenGL test app in C which draws different things in response to key input. (Mesa 8.0.4, tried with Mesa-EGL and with GLFW, Ubuntu 12.04LTS on a PC with NVIDIA GTX650). The draws are ...
5
votes
2answers
361 views

Triple buffering and jittering

John Carmack has a tweet: "Triple buffering adds latency and jitter; it should be avoided. The Answer is non-isochronous display updates." Can anyone explain what he meant by adds latency and ...