https://github.com/PorkStudios/FarPlaneTwo
It's kinda similar to Bobby - it also allows rendering greater distances but the way it accomplishes this is more complex. Do you think your mod could borrow some functionality from FP2?
Showcase - https://www.youtube.com/watch?v=1QKktMk33QE

Awesome LOD（Level of Detail）Feature needed!
Just like this... https://gitlab.com/jeseibel/minecraft-lod-mod

Mod for 1 12 2 is no use then
I tested it 1 17 1 gave me the best result on the same hardware
than 1 12 2 for 32 chunks
1.12.2 Lod mod 30 fps
1.17.1 60 fps v-sync