nixpkgs/nixos/modules/programs/steam.nix
Timothy DeHerrera b866d85d5c
nixos(steam): install steam-gamescope
Allows to launch from a tty, in addition to display-manager.
2023-04-27 11:59:25 -06:00

156 lines
4.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.steam;
gamescopeCfg = config.programs.gamescope;
steam-gamescope = let
exports = builtins.attrValues (builtins.mapAttrs (n: v: "export ${n}=${v}") cfg.gamescopeSession.env);
in
pkgs.writeShellScriptBin "steam-gamescope" ''
${builtins.concatStringsSep "\n" exports}
gamescope --steam ${toString cfg.gamescopeSession.args} -- steam -tenfoot -pipewire-dmabuf
'';
gamescopeSessionFile =
(pkgs.writeTextDir "share/wayland-sessions/steam.desktop" ''
[Desktop Entry]
Name=Steam
Comment=A digital distribution platform
Exec=${steam-gamescope}/bin/steam-gamescope
Type=Application
'').overrideAttrs (_: { passthru.providedSessions = [ "steam" ]; });
in {
options.programs.steam = {
enable = mkEnableOption (lib.mdDoc "steam");
package = mkOption {
type = types.package;
default = pkgs.steam;
defaultText = literalExpression "pkgs.steam";
example = literalExpression ''
pkgs.steam-small.override {
extraEnv = {
MANGOHUD = true;
OBS_VKCAPTURE = true;
RADV_TEX_ANISO = 16;
};
extraLibraries = p: with p; [
atk
];
}
'';
apply = steam: steam.override (prev: {
extraLibraries = pkgs: let
prevLibs = if prev ? extraLibraries then prev.extraLibraries pkgs else [ ];
additionalLibs = with config.hardware.opengl;
if pkgs.stdenv.hostPlatform.is64bit
then [ package ] ++ extraPackages
else [ package32 ] ++ extraPackages32;
in prevLibs ++ additionalLibs;
} // optionalAttrs (cfg.gamescopeSession.enable && gamescopeCfg.capSysNice)
{
buildFHSEnv = pkgs.buildFHSEnv.override {
# use the setuid wrapped bubblewrap
bubblewrap = "${config.security.wrapperDir}/..";
};
});
description = lib.mdDoc ''
The Steam package to use. Additional libraries are added from the system
configuration to ensure graphics work properly.
Use this option to customise the Steam package rather than adding your
custom Steam to {option}`environment.systemPackages` yourself.
'';
};
remotePlay.openFirewall = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Open ports in the firewall for Steam Remote Play.
'';
};
dedicatedServer.openFirewall = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Open ports in the firewall for Source Dedicated Server.
'';
};
gamescopeSession = mkOption {
description = mdDoc "Run a GameScope driven Steam session from your display-manager";
default = {};
type = types.submodule {
options = {
enable = mkEnableOption (mdDoc "GameScope Session");
args = mkOption {
type = types.listOf types.string;
default = [ ];
description = mdDoc ''
Arguments to be passed to GameScope for the session.
'';
};
env = mkOption {
type = types.attrsOf types.string;
default = { };
description = mdDoc ''
Environmental variables to be passed to GameScope for the session.
'';
};
};
};
};
};
config = mkIf cfg.enable {
hardware.opengl = { # this fixes the "glXChooseVisual failed" bug, context: https://github.com/NixOS/nixpkgs/issues/47932
enable = true;
driSupport = true;
driSupport32Bit = true;
};
security.wrappers = mkIf (cfg.gamescopeSession.enable && gamescopeCfg.capSysNice) {
# needed or steam fails
bwrap = {
owner = "root";
group = "root";
source = "${pkgs.bubblewrap}/bin/bwrap";
setuid = true;
};
};
programs.gamescope.enable = mkDefault cfg.gamescopeSession.enable;
services.xserver.displayManager.sessionPackages = mkIf cfg.gamescopeSession.enable [ gamescopeSessionFile ];
# optionally enable 32bit pulseaudio support if pulseaudio is enabled
hardware.pulseaudio.support32Bit = config.hardware.pulseaudio.enable;
hardware.steam-hardware.enable = true;
environment.systemPackages = [
cfg.package
cfg.package.run
] ++ lib.optional cfg.gamescopeSession.enable steam-gamescope;
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
})
];
};
meta.maintainers = with maintainers; [ mkg20001 ];
}