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by 58028641 741 days ago
https://github.com/KhronosGroup/MoltenVK proves that it is possible, but it is limited by having to go through Metal.
2 comments

If Apple would add native Vulkan support to macOS, it would most likely also go through a Metal "emulation layer" (just like their GL implementation, or the D3D12 implementation in the Game Porting Toolkit).
Because everyone knows from MoltenVK, Metal-based API implementations are just so efficient.
Anything's possible, but it wouldn't be performant. MoltenVK is just about as good as an untuned native Vulkan client would be.