nixpkgs/nixos/modules/programs/steam.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.steam;
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steam = pkgs.steam.override {
extraLibraries = pkgs: with config.hardware.opengl;
if pkgs.hostPlatform.is64bit
then [ package ] ++ extraPackages
else [ package32 ] ++ extraPackages32;
};
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in {
options.programs.steam = {
enable = mkEnableOption "steam";
remotePlay.openFirewall = mkOption {
type = types.bool;
default = false;
description = ''
Open ports in the firewall for Steam Remote Play.
'';
};
dedicatedServer.openFirewall = mkOption {
type = types.bool;
default = false;
description = ''
Open ports in the firewall for Source Dedicated Server.
'';
};
};
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config = mkIf cfg.enable {
hardware.opengl = { # this fixes the "glXChooseVisual failed" bug, context: https://github.com/NixOS/nixpkgs/issues/47932
enable = true;
driSupport = true;
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driSupport32Bit = true;
};
# optionally enable 32bit pulseaudio support if pulseaudio is enabled
hardware.pulseaudio.support32Bit = config.hardware.pulseaudio.enable;
hardware.steam-hardware.enable = true;
environment.systemPackages = [ steam steam.run ];
networking.firewall = lib.mkMerge [
(mkIf cfg.remotePlay.openFirewall {
allowedTCPPorts = [ 27036 ];
allowedUDPPortRanges = [ { from = 27031; to = 27036; } ];
})
(mkIf cfg.dedicatedServer.openFirewall {
allowedTCPPorts = [ 27015 ]; # SRCDS Rcon port
allowedUDPPorts = [ 27015 ]; # Gameplay traffic
})
];
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};
meta.maintainers = with maintainers; [ mkg20001 ];
}