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by NickPollard
3910 days ago
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Because the display is normally running at 60hz, so if you don't want tearing (where the frame to be displayed changes halfway through monitor refresh, leading to a sharp tear across the screen), you need to run at an integer number of refreshes per frame (known as vsync). 1 = 60fps, 2 = 30fps, 3 = 20fps. |
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