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Steam Play Proton 4.11-8 is out with vkd3d for Direct3D 12 support

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Another update to Steam Play Proton has been released this evening, which should bring with it plenty of improvements for playing Windows games on Linux.

Looking to get started with Steam Play on Linux? Be sure to check our previous beginners guide.

Proton 4.11-8 now includes vkd3d, another library built on top of Vulkan to add in Direct3D 12 support. Other parts of Proton also saw version bumps like DXVK to 1.4.4, D9VK to 0.30, FAudio to 19.11 and Wine-mono to 4.9.4.

Don't know what any of that means? They're all the projects that work inside Proton to make it do what it does, they're all fresh versions meaning you should see wider support for games and probably performance improvements in places.

On top of that, they've tweaked the way Proton is distributed to use less disk space and be a smaller download size for future updates. Wine and other libraries had debug symbols stripped, however Proton itself is technically a Tool installed into Steam so now you can just select the "debug" beta on whatever Proton version to get them back. Do so like you would select a beta for a game, right click on it and go to Properties and then the beta tab.

For actual game support there's improvements for Rockstar Launcher and Grand Theft Auto 5, better gamepad support for Farming Simulator 19 and Resident Evil 2 and mouse input in Arma 3 is fixed apparently. The last noted game is DmC: Devil May Cry, which should now be playable.

Finally, their build system had a bit of an upgrade to allow easier redistribution of Proton builds between users which sounds fun.

As always, see the full changelog here.

On top of that, a recent update to the Steam Beta client also added back in the ability to actually see if a game is running with Steam Play. When on the page for a game, click the little I for the extra information and it's there, like this:

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tuubi 11 Nov, 2019
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Quoting: RickAndTired
Quoting: GrifterWorkshop support isn't fully implemented sure, but 100fps sounds like an insane difference; I have a tweaked ini file for rocket league which coupled with using __gl_threaded_optimizations gives me ~200 (150-250) fps in a match on ancient hardware (i5-750, 980), if you want to try my ini let me know.

I think that's only for Nvidia right? I have an AMD graphics card
Try the "mesa_glthread=true" environment variable. Might or might not make a difference. I think I've limited the game to 60 FPS and I don't see stutter except when a player spawns in, so don't really care myself.
Ardje 11 Nov, 2019
Quoting: Comandante ÑoñardoPerfect timing, Valve!
I mean, Just Cause 4 is FREE2PLAY this weekend..
I don't know the game or the hype around the game. Tried it, worked fine on a GTX960M (zotac-sn970).
Still have to try the RX580 eGPU.

Anyway, GTA V just works again \0/.
Ardje 11 Nov, 2019
Quoting: 1xokIf the new Rockstar Launcher runs, we can play RDR2 under Linux next month. Thanks to Vulkan probably no performance loss compared to Windows. Who would have thought that possible a few years ago?
I tried a game with a vulkan renderer, but the DX11 renderer using DXVK was pretty good, and vulkan was a slide show. It was:
Comandante Ñoñardo 14 Nov, 2019
With this version, I have a weird issue with the audio:
Environmental sounds effects, like the music coming from a radio, disappear totally when is out of focus...
With PROTON 4.11-7 that didn't happen.

How to force an specific game to use PROTON 4.11-7 and not PROTON 4.11-8?

Here is an example of what I am writing about with the audio of Borderlands: The Presequel when I am the same place of Concord map, but pointing to a different direction...

Music from speakers loud and clear

Music from speakers loud and clear too...

Music from speakers is gone.

With PROTON 4.11-7 this didn't happen.
Comandante Ñoñardo 15 Nov, 2019
It was a hardware issue...

Last edited by Comandante Ñoñardo on 15 November 2019 at 5:59 am UTC
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