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Proton (software)
Linux compatibility layer for Windows games From Wikipedia, the free encyclopedia
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Proton is a compatibility layer that allows Windows software (primarily video games) to run on Linux-based operating systems.[2] Proton is developed by Valve in cooperation with developers from CodeWeavers.[3] It is a collection of software and libraries combined with a patched version of Wine to improve performance and compatibility with Windows games. Proton is designed for integration into the Steam client as "Steam Play".[4] It is officially distributed through the client, although third-party forks can be manually installed.
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Overview
Proton was initially released on 21 August 2018.[5] Upon release, Valve announced a list of 27 games that were tested and certified to perform like their native Windows counterparts without requiring end-user tweaking. These include Doom (2016), Quake, and Final Fantasy VI.[4][5][6][self-published source]
Proton incorporates several libraries that improve 3D performance. These include Direct3D-to-Vulkan translation layers, namely DXVK for Direct3D 9, 10 and 11, and VKD3D-Proton for Direct3D 12. A separate library known as D9VK handled Direct3D 9 support until it was merged into DXVK in December 2019.[7]
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Compatibility
Being a fork of Wine, Proton maintains very similar compatibility with Windows applications as its upstream counterpart. In addition to the official list of compatible games, many other Windows games are compatible,[8] albeit unofficially, with Proton. The user can optionally force use of Proton for a specific game, even if a Linux version already exists.[9] This may be done when a game's native Linux support is lacking or unstable.
ProtonDB
ProtonDB is an unofficial community website that collects and displays crowdsourced data describing the compatibility of a given title with Proton, on a rating scale from "Borked" (doesn't work) to "Platinum" (works perfectly).[10][11] The site is inspired by the WineHQ AppDB, which also collects and displays crowdsourced compatibility reports and uses a similar rating system.r version of Wine, improving compatibility and performance. It featured enhanced support for fullscreen mode and controllers.
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See also
References
External links
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