It has been easy. All modern GPU APIs are basically the same now unless you're relying on the most cutting edge features. I've found that converting between MSL

It has been easy. All modern GPU APIs are basically the same now unless you're relying on the most cutting edge features. I've found that converting between MSL, OpenGL (4.3+), and WebGPU to be trivial. Also, LLMs are pretty good at it on first pass.