its here already … DLSS
only for RTX GPU’s though
" NVIDIA DLSS (Deep Learning Super Sampling) is groundbreaking AI rendering technology that increases graphics performance using dedicated Tensor Core AI processors on GeForce RTX™ GPUs. DLSS taps into the power of a deep learning neural network to boost frame rates and generate beautiful, sharp images for your games."
not sure if webgl can tap into this … but it is out there and being used in games already