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56 lines
2.4 KiB
Plaintext
56 lines
2.4 KiB
Plaintext
Proton is a tool for use with the Steam client which allows games which are
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exclusive to Windows to run on Linux and macOS operating systems. It uses Wine
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to facilitate this.
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To build Proton for Linux, set up a Debian machine with the Steam chroots as
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documented in the Steam Runtime repository:
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https://github.com/ValveSoftware/steam-runtime
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You should then be able to build Proton using the "build_proton.sh" script.
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Some package installation will be necessary, for example the mingw-w64 cross
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compiler will be needed, as well as various runtime libraries such as Vulkan.
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Examine the output near the end of build/wine.win{64,32}/config.log to ensure
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you have all of the relevant libraries installed in each chroot.
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TODO: Better document setting up the build machine.
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To build Proton for macOS, install the latest Xcode command line tools, as
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well as cmake (for openal-soft) and a recent nasm (for libjpeg-turbo). You can
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use a packager like Homebrew to find these packages. Then run
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"build_proton.sh".
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Once built, the dist/ directory will contain the files which can be distributed
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through Steam. For testing purposes, you should be able to clear out the files
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in your steamapps/common/Proton directory and replace them with the contents of
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dist/. The proton script will unpack the files on first run.
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NOTE: For now, dxvk requires build-time components that are too new for Debian
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9. It's recommended to build the DLLs on Arch Linux, where dxvk is actively
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being developed. This may be resolved in dxvk in the future, or may be worked
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around by using a newer Debian release. See comments in build_proton.sh.
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----
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RUNTIME CONFIG OPTIONS
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----
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Proton can be tuned at runtime to help certain games run. The runtime
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configuration options are documented here. Options can either be defined in a
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comma-separated list stored in the STEAM_COMPAT_CONFIG environment variable
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when running Proton (the Steam client does this), or passed through the
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presence of individual environment variables as documented below.
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All of the below are runtime options. They do not effect permanent changes to
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the Wine prefix. Removing the option will revert to the previous behavior.
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----
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Run game with DXVK instead of wined3d.
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Compat config string: dxvk
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Environment variable: PROTON_USE_DXVK
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----
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Disable d3d11.dll, for games which can fall back to and run better with d3d9.
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Compat config string: nod3d11
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Environment variable: PROTON_NO_D3D11
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