Copying it from Discord, as I heard you're not much acrive there. :)
About your edit here: https://www.pcgamingwiki.com/w/index.php?title=Glossary%3ADisplay_wrapper&type=revision&diff=1068258&oldid=1064779 actually, Wine has a VKD3D (not VKD3D-proton, though it was ported from there) tree that supports DX12 on Vulkan. Not sure about Windows version, but can't you manually replace the files using wine's files? That's how ReactOS works, too.