nixos(steam): add gamescope session option
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parent
e30dafc09b
commit
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@ -36,7 +36,8 @@ in
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type = types.bool;
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default = false;
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description = mdDoc ''
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Add cap_sys_nice capability to the GameScope binary.
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Add cap_sys_nice capability to the GameScope
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binary so that it may renice itself.
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'';
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};
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@ -4,6 +4,24 @@ with lib;
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let
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cfg = config.programs.steam;
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gamescopeCfg = config.programs.gamescope;
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steam-gamescope = let
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exports = builtins.attrValues (builtins.mapAttrs (n: v: "export ${n}=${v}") cfg.gamescopeSession.env);
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in
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pkgs.writeShellScriptBin "steam-gamescope" ''
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${builtins.concatStringsSep "\n" exports}
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gamescope --steam ${toString cfg.gamescopeSession.args} -- steam -tenfoot -pipewire-dmabuf
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'';
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gamescopeSessionFile =
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(pkgs.writeTextDir "share/wayland-sessions/steam.desktop" ''
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[Desktop Entry]
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Name=Steam
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Comment=A digital distribution platform
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Exec=${steam-gamescope}/bin/steam-gamescope
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Type=Application
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'').overrideAttrs (_: { passthru.providedSessions = [ "steam" ]; });
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in {
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options.programs.steam = {
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enable = mkEnableOption (lib.mdDoc "steam");
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@ -32,6 +50,12 @@ in {
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then [ package ] ++ extraPackages
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else [ package32 ] ++ extraPackages32;
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in prevLibs ++ additionalLibs;
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} // optionalAttrs (cfg.gamescopeSession.enable && gamescopeCfg.capSysNice)
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{
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buildFHSEnv = pkgs.buildFHSEnv.override {
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# use the setuid wrapped bubblewrap
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bubblewrap = "${config.security.wrapperDir}/..";
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};
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});
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description = lib.mdDoc ''
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The Steam package to use. Additional libraries are added from the system
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@ -57,6 +81,30 @@ in {
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Open ports in the firewall for Source Dedicated Server.
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'';
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};
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gamescopeSession = mkOption {
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description = mdDoc "Run a GameScope driven Steam session from your display-manager";
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type = types.submodule {
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options = {
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enable = mkEnableOption (mdDoc "GameScope Session");
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args = mkOption {
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type = types.listOf types.string;
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default = [ ];
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description = mdDoc ''
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Arguments to be passed to GameScope for the session.
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'';
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};
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env = mkOption {
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type = types.attrsOf types.string;
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default = { };
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description = mdDoc ''
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Environmental variables to be passed to GameScope for the session.
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'';
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};
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};
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};
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};
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};
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config = mkIf cfg.enable {
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@ -66,6 +114,19 @@ in {
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driSupport32Bit = true;
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};
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security.wrappers = mkIf (cfg.gamescopeSession.enable && gamescopeCfg.capSysNice) {
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# needed or steam fails
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bwrap = {
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owner = "root";
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group = "root";
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source = "${pkgs.bubblewrap}/bin/bwrap";
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setuid = true;
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};
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};
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programs.gamescope.enable = mkDefault cfg.gamescopeSession.enable;
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services.xserver.displayManager.sessionPackages = mkIf cfg.gamescopeSession.enable [ gamescopeSessionFile ];
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# optionally enable 32bit pulseaudio support if pulseaudio is enabled
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hardware.pulseaudio.support32Bit = config.hardware.pulseaudio.enable;
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