Proton literally runs on MacOS, all MacOS would need to do to get the same compatibility is to just not get in the way. All they need to do is release a Vulkan driver.
Proton literally doesn’t run on macOS since Metal and no Vulkan. Proton translates to Vulkan. You’d need to reimplement everything to talk to Metal. It’s not a driver issue but an API issue.
Proton literally runs on MacOS, all MacOS would need to do to get the same compatibility is to just not get in the way. All they need to do is release a Vulkan driver.
Proton literally doesn’t run on macOS since Metal and no Vulkan. Proton translates to Vulkan. You’d need to reimplement everything to talk to Metal. It’s not a driver issue but an API issue.
That’s on Apple for not supporting Vulkan.