And only exists in first place because AMD offered Mantle to Khronos, otherwise they would probably be discussing how OpenGL vNext would look like to this day.
While flohofwoe certainly knows this, for the others,
"Khronos is free to take as many pages as it wants out of the Mantle playbook, and AMD will impose no restrictions, nor will it charge any licensing fees."
Comments
They look similar because both D3D12 and Vulkan have been 'influenced' by Mantle (Vulkan more strongly than D3D12 though).
Vulkan was released after both Metal and D3D12 btw.
And only exists in first place because AMD offered Mantle to Khronos, otherwise they would probably be discussing how OpenGL vNext would look like to this day.
While flohofwoe certainly knows this, for the others,
"Khronos is free to take as many pages as it wants out of the Mantle playbook, and AMD will impose no restrictions, nor will it charge any licensing fees."
-- https://www.phoronix.com/news/MTc2Mzc