If your gpu is fast enough then you can maintain fast enough frame rate at 1. A $125 750ti is fast enough and I consider that minimum requirement anyway. The setting of 2 allows a frame to be buffered before drawn and may increase over all frame rate. But at 60fps vsync, this adds a 16.6 ms lag in every flip. In a pinball game I consider this unplayable. A setting of 3 adds 33 ms of lag and is extremely noticeable by an average person. Setting max prerendered frames to 1 is the most important setting in a pinball cabinet, in my opinion - across all simulations not just vp.
setting it to 0 actually lets the driver do whatever it think is best (including the stuff you can set in the gfx control panel of course).
1 is usually not recommended because it will interfere too much with internal driver pipeline optimizations (which means that you reduce the amount of buffered frames, but each of the frames will take longer, so overall more lag), so usually 2 or 3 works best
BigBoss... the "Setting max prerendered frames to 1" should that setting be in both the driver and in VP?
I personally override this in the nvidea control panel globally for all apps in my pinball cabinet. On a desktop you may need to do it per app or inside the app. I'm not sure if there's anything an app can do to undo the driver level override in control panel or not.
There's a ok discussion on this here. http://steamcommunit...27315349070543/




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