>>546290981
Foveated encoding may be great, but foveated rendering impact it's over stated, you can't go too low or it is clearly noticeable, your brain can pickup those details like a big ass pixel quickly changing from dark to light as you slightly move your head.
You can try it on skyrim vr, I did back then and even on a quest 2 with fresnel where you are meant to keep your eyes looking forwards you could notice it immediately.
And the improvement in performance was not that big, maybe 50% at most and that is pushing it.