Porting a heavyweight, industry standard application like this can be daunting with the default command line tools/workflows of the Game Porting Toolkit, but a little bit of greasing the wheels never hurts:
installaware.com/blog/?p=828
Enjoy the terrific screenshots of UL's 3DMark running on bare metal (pun intended!) on macOS.
The amazing work done by Gokhan Avkarogullari in building Apple Silicon GPUs shines throughout the article.
The future of gaming on macOS is bright!