FuryGPU is completely open-source GPU Hardware and can run Quake at 60 fps.

tomshardware.com/pc-components/gpus/new-open-source-gpu-is-free-to-all-supports-modern-windows-software-stack-runs-on-an-fpga-with-custom-pcb

That's not as impressive as it sounds because it's not the 2021 version but the 1996 version. Which would run on most domestic appliances these days.