Add steam

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/gaming/default.nix

@@ -0,0 +1,37 @@
+{
+  user ? throw "user argument is required",
+  home ? throw "home argument is required",
+}:
+{ pkgs, ... }:
+{
+  environment.persistence."/persist" = {
+    "${home}/.steam" = { };
+    "${home}/.local/share/Steam" = { };
+  };
+
+  programs = {
+    steam = {
+      enable = true;
+      localNetworkGameTransfers.openFirewall = true;
+      extest.enable = true;
+      protontricks.enable = true;
+    };
+
+    gamescope = {
+      enable = true;
+      args = [
+        "--rt"
+        "-f"
+      ];
+    };
+
+    gamemode.enable = true;
+  };
+
+  home-manager.users.${user} = {
+    home = {
+      packages = with pkgs; [ protonup ];
+      sessionVariables.STEAM_EXTRA_COMPAT_TOOLS_PATHS = "${home}/.steam/root/compatibilitytools.d";
+    };
+  };
+}

hosts/eirene/README.md

@@ -11,4 +11,11 @@
 ### Third-party Services
 
 - [ ] Firefox
+  - [ ] Authenticate
+
 - [ ] Spotify
+  - [ ] Authenticate
+
+- [ ] Steam
+  - [ ] Authenticate
+  - [ ] `protonup`

hosts/eirene/default.nix

@@ -105,6 +105,25 @@
     rocmSupport = true;
   };
 
+  programs = {
+    steam.package = pkgs.steam.override {
+      extraEnv.STEAM_FORCE_DESKTOPUI_SCALING = 1.25;
+    };
+
+    gamescope = {
+      env = {
+        __NV_PRIME_RENDER_OFFLOAD = "1";
+        __VK_LAYER_NV_optimus = "NVIDIA_only";
+        __GLX_VENDOR_LIBRARY_NAME = "nvidia";
+      };
+
+      args = [
+        "-W 2560"
+        "-H 1600"
+      ];
+    };
+  };
+
   home-manager.sharedModules = [
     {
       wayland.windowManager.hyprland.settings = {

hosts/eirene/users/nick.nix

@@ -40,6 +40,7 @@ in
     (import ../../common/user/configs/gui/cliphist { inherit user home; })
     (import ../../common/user/configs/gui/emoji { inherit user home; })
     (import ../../common/user/configs/gui/firefox { inherit user home; })
+    (import ../../common/user/configs/gui/gaming { inherit user home; })
     (import ../../common/user/configs/gui/gtk { inherit user home; })
     (import ../../common/user/configs/gui/hyprland { inherit user home; })
     (import ../../common/user/configs/gui/hyprshot { inherit user home; })