@sir What VSync scheme does sway/wlroots use? How does it achieve VSync without any noticeable input lag? How frequently does it render the screen contents?
We render frames during the downtime between page flips and present them when the display is ready. This means your input will not be seen until the next vblank, e.g. 60 Hz.
@sir Do you render the next frame as soon as a flip has occurred, or do you wait a little to reduce the input lag?
@YaLTeR not afaik
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