This is indeed a real sore spot for qemu/kvm. VMware has good tech here as well.
One thing you may be able to do is use GVT-g to use a time slice of your Intel iGPU and pass that through. But it doesn't work on all Intel iGPUs and will never be available on newer Intel hardware.
I have read a bit about SR-IOV and MxGPU of AMD, but they also seem to be not available in consumer grade Ryzen 7 laptops. So far I need Windows to do some minor MSVS dev or Edge web testing which is absolutely manageable with software emulation.
