" which means that we need also graphic cards that can deliver two 3D scenes combined at 4K or 8K, and these cards aren't there yet" Hopefully we will have qua

" which means that we need also graphic cards that can deliver two 3D scenes combined at 4K or 8K, and these cards aren't there yet" Hopefully we will have quality eye tracking and foveated rendering in a few years, so we will not need to render the whole screen in high resolution ever.