UEVR - Temporal Up-sampling Performance Comparison

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Waifu Enjoyer

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Published on May 1, 2023 9:12:33 AM ● Video Link: https://www.youtube.com/watch?v=mfDtWEgMaHo

Duration: 6:18

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In this I play illWill, a Tim Burton esque boomer shooter played with the 3DOF motion controls that I have tested on the channel before. Looking to see the effects of adding Epic's Temporal upsampling as a quick solution to games that don't have upscaling techniques like DLSS or FSR. This will only work in UE4 games after 4.19 but my tests show that you can have much better performance with closer image quality with this quick method by just adding the settings to Engine.ini

70-80% screen percentage seemed to be a good sweet spot for using this if you are at a performance edge and don't want to lower any settings. Selecting more than 100 will make it super sample if you have a lot of performance headroom and are using the native stereo rendering option.

[SystemSettings]
r.TemporalAA.Algorithm=1
r.TemporalAA.Upsampling=1
r.Upscale.Quality=3
r.ScreenPercentage=80

These additional grain settings were just for illWill to make the test fairer:
r.Tonemapper.GrainQuantization=0
r.Tonemapper.Quality=0

Link to Epic's documentation on this and some of the other variables you can use:
https://docs.unrealengine.com/4.26/en-US/RenderingAndGraphics/ScreenPercentage/