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A small update for those interested in keeping up with the news surrounding Steam Play and Proton development.

In September, we spoke to Linux game porter Ethan Lee where he went on to mention how he would like to officially work on Steam Play's Proton. Not long after our article went up, he ended up speaking to Valve so things started moving pretty quickly. All was quiet, then, at the start of this month he wrote a post on Google+ to mention that he was working out some sort of contract to officially begin working on it.

Teasing on Twitter only a few days ago, Lee showed off RAGE running with FAudio and then last night he said this on Twitter:

Oh, by the way, for those wondering about my _official_ work, starting tomorrow I'm working on Proton in an official capacity, in partnership with CodeWeavers. Task #1 is FAudio integration!

What exactly is FAudio? In Ethan Lee's own words:

FAudio is a new, accuracy-focused reimplementation of XAudio2 and its relative libraries (such as X3DAudio, XACT, and XAPO). Part of this work includes a COM wrapper that mimics the Windows XAudio2 DLLs, allowing Windows games to use FAudio for audio support instead. 

At the moment Wine is reimplementing XAudio2 with OpenAL Soft, and the other libraries (including X3DAudio) are currently stubbed. In addition to the feature gaps, there are also various accuracy issues that come from wrapping a low-level audio API around a high-level API (as we found ourselves while making FNA, hence the creation of FAudio).

The idea is that FAudio would both fill in large gaps left by the current Wine implementation as well as make the existing implementation much more accurate, and in a perfect world, remove the need for the DX redist for audio support.

This should allow many more games to work properly in Steam Play, which is why it's such an exciting project.

Article taken from GamingOnLinux.com.
Tags: Steam Play
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Ehvis Oct 16, 2018
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Quoting: ArehandoroGood on him, happy he made it :)

Although he says in partnership with codeweavers instead of Valve... interesting.

Codeweavers are the big Wine contributors, so it does fit nicely for direct Wine work. As for what "official" means in that regard is not really clear. Also not important.
TheSHEEEP Oct 16, 2018
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Great news. More hands on deck!
GloriousEggroll Oct 16, 2018
To add onto this, WMA support has been added to FAudio in a joint effort from Andrew Aeikum and Johan Smet, although it has not been merged yet and still a work in progress, but is in a somewhat working state now!

https://github.com/FNA-XNA/FAudio/issues/32#issuecomment-429388602
Eike Oct 16, 2018
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Will he continue with native ports?
MayeulC Oct 16, 2018
Mmm... Will it still use OpenAL? I quite like the fact that it supports HRTF...

Other than that, well done Ethan! I hope even more stuff will be working out of the box in the future! Although I didn't really get from the article whether that would be upstreamed in wine or not. (strike that, I can't read the comments, it seems)


Last edited by MayeulC on 16 October 2018 at 2:21 pm UTC
mylka Oct 16, 2018
wasnt feral retweeting this article? now they dont

maybe they realized: https://www.youtube.com/watch?v=toL1tXrLA1c
Whitewolfe80 Oct 16, 2018
Nice Ethan has ported some the best games over to linux his custom tools almost allow drag in porting for xna developed games. Good to see him on board getting some of that valve money smart by codeweavers to sign him up and use valve money to pay him. Proton/wine development and dxvk is amazing its gone from being workable with a metric ton of patches in a lot of games and numerous work arounds to plug and play with a ton of titles including skyrim, dishonoured etc.


Last edited by Whitewolfe80 on 16 October 2018 at 3:28 pm UTC
GustyGhost Oct 16, 2018
Quoting: ageres
Quoting: M@GOidAlso, Left 4 Dead 1 still doesn't work for me.
But the whole Left 4 Dead 1 is included into Left 4 Dead 2.

Eh it's one of those things that would have been nice for the sake of completeness. How different, architecturally, is L4D1 from L4D2?
Kristian Oct 16, 2018
Quoting: ArehandoroGood on him, happy he made it :)

Although he says in partnership with codeweavers instead of Valve... interesting.

Yeah,and presumably if he is working with Codeweavers and not Valve then technically he will be working on Wine and not Proton(or Steamplay). Just a technicality, since the changes he makes to Wine will end up in Proton.


Last edited by Kristian on 16 October 2018 at 5:19 pm UTC
gustavoyaraujo Oct 16, 2018
Oh yes, more people working hard on Steam Play. Awesome news.
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