Steam Deck

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A place to discuss and support all things Steam Deck.

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Valve is working on a version of proton for ARM devices (x.com)

submitted 1 month ago* (last edited 1 month ago) by Fubarberry@sopuli.xyz to c/steamdeck@sopuli.xyz

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This would presumably let x86 windows games run on ARM hardware.

This is almost certainly meant for the next Valve VR headset, but ARM has so much better power efficiency than x86 that a future ARM based Deck would be a huge improvement to battery life.

Also see this tweet:

VR games that have already secretly pushed Android ARM builds onto the Steam Store are ran via Waydroid (androidARM to LinuxARM)

VR games that do not have an ARM build on Steam (windows x86) are being translated/emulated via ProtonARM and FEX

Edit: here's gamingonlinux coverage of this info, includes some more information

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[–] independantiste@sh.itjust.works 6 points 1 month ago (1 children)

It depends for the translation speed, if they only make a single device, they can likely do what apple does and improve their translation layer (FEX) to use specific instructions of the CPU they are using. Apples Rosetta is very efficient at what it does

[–] entropicdrift@lemmy.sdf.org 1 points 1 month ago

Even Rosetta still gives up 10%+ efficiency compared to a native compilation of the same program. I'm not saying it's not viable, but in a resource constrained (especially battery-constrained) device 10% is a lot.