Comment above is about enabling [qemu-user]. Hyperv is more akin to [qemu-system].

With latter, like with any full-system emulation, for top graphics performance, you probably want a separate video card and [pci pass-through] it to the guest VM.

[qemu-user] https://www.qemu.org/docs/master/user/main.html

[qemu-system] https://www.qemu.org/docs/master/system/index.html

[pci pass-through] https://askubuntu.com/questions/1406888/