i discovered recently through "Beardo Benjo" Youtube Channel the following the OpenVr_fsr Mod for Nvidia and AMD Graficcards.
What is does, is to scale down internal the resolution to 0.7 and sharpenen the Image. the result is a much better perfomance, with an increase of image Quality.
Its really something, and it works pretty good with X Rebirth VR. Just follow the instructions, and the perfomance improve a lot. It have allow me, to easily crank up the grafic settings to max. So in case you missed that, here the link:
https://github.com/fholger/openvr_fsr
And also, the OpenVr_fsr Mod, works for also for Unity Games or Skyrim ect ... as well. You have a ConfigFile, which allows you to adjust the mod more to your needs, but for me it works right out of the box.
What you have todo, is rename the "openvr_api.dll" file, then you drop the content from the zip file in that directory.
Thats all.
In case of X Rebirth VR, you find the right directory in your Steamfolder /...Common / X Rebirth VR
that it ^^
best
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