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183 points ahamez | 6 comments | 09 Apr 25 12:17 UTC | HN request time: 0.211s | source | bottom
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banqjls ◴[09 Apr 25 13:25 UTC] No.43631804[source]▶
How can you run old 32-bit, directx 9 games on apple silicon? Is there any solution that is flawless? One of the things that stops me from buying a modern Mac.
replies(3): >>43631827 #>>43631865 #>>43632272 #
1. cactusplant7374 ◴[09 Apr 25 13:31 UTC] No.43631865[source]▶
I think this should cover it.

https://github.com/doitsujin/dxvk

replies(2): >>43631882 #>>43632711 #
2. banqjls ◴[09 Apr 25 13:34 UTC] No.43631882[source]▶
That won’t fix the fact that the macOS kernel can’t run 32-bit binaries.
replies(1): >>43632146 #
3. galad87 ◴[09 Apr 25 13:54 UTC] No.43632146[source]▶
It's possible to run 32-bit Windows binaries with Rosetta 2 and WINE, but I don't know if there is any good DirectX 9 to Metal wrapper yet. Probably DXMT will implement it in the future: https://github.com/3Shain/dxmt
replies(1): >>43632382 #
4. banqjls ◴[09 Apr 25 14:13 UTC] No.43632382{3}[source]▶
I have heard of Rosetta not implementing the entire instruction set, and games being one of the most affected kinds of software, most of them crashing due to illegal instructions.
replies(1): >>43632698 #
5. Rhedox ◴[09 Apr 25 14:41 UTC] No.43632698{4}[source]▶
Rosetta actually supports 32bit code just fine.
6. Rhedox ◴[09 Apr 25 14:43 UTC] No.43632711[source]▶
DXVK does not run on Mac OS. There's a modified version based on an ancient release of DXVK that kinda works on MoltenVK but the D3D9 side never worked.

The D3D9 implementation in DXVK uses a Vulkan binding model trick to improve performance that MoltenVK can't handle.

Besides that, DXVK simply requires modern Vulkan features that MoltenVK doesn't support.