Which is exactly what I described. Looks like they took crossover/wine and added some custom patches. What are the chances they upstream anything? Probably 0.
CodeWeavers released an annoucement when Gaming Portal Toolkit was announced.
https://www.codeweavers.com/blog/mjohnson/2023/6/6/wine-come...
You sure there was any kind of commercial agreement? Doesn’t look like it.
On top of that, Apple's DX to Metal code is not re-distributable. So yes, this sounds like more of the same from Apple.