How to fix dead space mouse lag2/22/2024 vsync on will create lag if the game runs faster than vsync rate. If the game loop implements time integration you will want the game to run as fast as possible. they ran at whatever the consoles or PCBs vsync rate was. its because implementing a separate timer control circuit was either unnecessary or costly. older console games and PCBs were always(mostly always?) locked to vsync. it all depends on how the game loop was implemented. sĪnyone who understands how vsync and game loops work will know different. Vsync off some how creates magical no lag. Any properly programmed game that runs at 60Hz will not have any additional input lag with v-sync on. This is a great post This is entirely true, and I'm very curious where the meme of "v-sync always adds input lag" came from. This all changes if you have a 120hz monitor. when frame rate drops, ofcourse you will see input lag. because update time and frame time is the same. most old school games work like this.Īlso, if your machine is able to run at full 60fps, then vsync on will not affect input lag. this is nostly done for games which need replays, because implementing replays with time integration is extremely difficult. Games that are designed to run at fixed step, meaning all update loops are carried at specific interval, will not benefit from vsync off. so you can enjoy your large 3d world at 30 fps without controls going whack. this is usually done for 3D games where framerate drop should not affect game physics. Games that integrate time into update loop will have lag with vsync. How? Because as far as I know, that's not even possible.ĭepends on how the game loop was implemented.Įmulators will have lag with vsync, because it has to simulate the machines vsync too. Mm, a well designed game loop, you will never have input lag with vsync.
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