On 7/23/20 6:40 AM, Neal Gompa wrote:
One question though: why doesn't Wine implement something like
libglvnd for swapping wined3d backends dynamically? It seems like that
would be a sturdier way to do things and handle hardware swaps a lot
more gracefully.

It's just the way these wine-fork projects work. Someone thinks they can design a better wine and instead of working with upstream or upstream rejects their idea they fork wine and reimplement a DLL or group of subsystems and write their own version.

- DXVK
- D9VK (luckily merged with DXVK now)
- DXGL
- Gallium Nine
- VKD3D (upstream!)

These forks may eventually merge back with upstream as upstream is more open to changes than a few years ago, but these 3D API forks are very large changes.

I'm not sure how upstream would implement a libglvnd-like interface for these forks. An automated choice may not be what the user wants. They do not offer identical feature sets and some have different hardware requirements. TL;DR: It's a mess.
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