this post was submitted on 17 Jul 2024
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Bad news: Playstation is starting to block their games from running on Proton. Playstation Overlay is blocked on Linux in Ghost of Tsushima. The same thing happened with the Concord beta. (x.com)
submitted 5 months ago by [email protected] to c/[email protected]
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[–] rottingleaf 2 points 5 months ago (2 children)

No, "based on" doesn't tell us anything. Just that to avoid repeating work they took FreeBSD.

[–] [email protected] 5 points 5 months ago* (last edited 5 months ago) (1 children)

It tell us quite a lot actually; the native PlayStation game was running on a POSIX system, on x86(-64), and Vulkan/OpenGL. Ergo, it took extra work to port the game to Windows, when the original title ran on something very close to a Linux desktop.

[–] [email protected] 4 points 5 months ago

As far as I know PS4/PS5 don't support OpenGL or Vulkan, they have their own APIs.

[–] computergeek125 5 points 5 months ago (1 children)

I work on an open source project in my free time. Officially we support Linux, Windows, and macOS.

I had to change ~2 lines of code to port the Linux/Mac code path to FreeBSD. Windows has a completely different code path for that critical segment because it's so different compared to the three Unix/Unix-like.

This is a very specific example from a server side code that leaves out a lot of details. One being that we wrote our project with the intent that it would be multi platform by design. Game software is wildly complicated compared to what we do. The point here is that it should be easier to port Unix to Unix-like compared to Unix to Windows.

[–] rottingleaf 4 points 5 months ago

I've heard that PS3 games, while the OS was too, I think, based on FreeBSD, ran in a sort of a hypervisor and used some features of the Cell architecture.

I've never read about PS4 and PS5 OS's, and them being Intel-based should mean that it's possibly less exotic.

Of course various unices are almost source-compatible.