[gaming] Add an emulation suboption

machines/boxy/configuration.nix

@@ -17,7 +17,7 @@ with lib;
     bluetooth.enable = true;
     desktop = {
       enable = true;
-      gaming = true;
+      gaming.enable = true;
       kde = true;
       sddm = true;
       wayland = true;

machines/nix-book/configuration.nix

@@ -15,7 +15,7 @@
     desktop = {
       enable = true;
       wayland = true;
-      gaming = false;
+      gaming.enable = false;
       kde = true;
       sddm = true;
     };

machines/zix790prors/configuration.nix

@@ -17,11 +17,15 @@ with lib;
     bluetooth.enable = true;
     desktop = {
       enable = true;
-      gaming = true;
+      gaming = {
+        enable = true;
+        emulation = true;
+      };
       kde = true;
       sddm = true;
       wayland = true;
     };
+    nfs-mounts.enable = true;
     users.enable = true;
     virtualisation.enable = true;
   };
@@ -82,4 +86,4 @@ with lib;
   # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
   system.stateVersion = "25.11"; # Did you read the comment?
 
-}
+}

roles/desktop/default.nix

@@ -9,7 +9,10 @@ with lib;
     x11 = mkOption { type = types.bool; default = false; description = "Enable X11 support."; };
     wayland = mkOption { type = types.bool; default = false; description = "Enable Wayland support."; };
     kde = mkOption { type = types.bool; default = false; description = "Enable KDE."; };
-    gaming = mkOption { type = types.bool; default = false; description = "Enable gaming support."; };
+    gaming = {
+      enable = mkOption { type = types.bool; default = false; description = "Enable gaming support."; };
+      emulation = mkOption { type = types.bool; default = false; description = "Enable emulation support."; };
+    };
     sddm = mkOption { type = types.bool; default = false; description = "Enable SDDM greeter."; };
   };
 

roles/desktop/gaming.nix

@@ -6,13 +6,22 @@ let
   cfg = config.roles.desktop;
 in
 {
-  config = mkIf (cfg.enable && cfg.gaming) {
-    environment.systemPackages = with pkgs; [
-      steam
-      lutris
-      moonlight
-    ];
+  config = mkMerge [
+    (mkIf (cfg.enable && cfg.gaming.enable) {
+      environment.systemPackages = with pkgs; [
+        steam
+        lutris
+        moonlight
+      ];
 
-    # Possibly other gaming specific services or settings
-  };
+      # Possibly other gaming specific services or settings
+    })
+
+    (mkIf (cfg.enable && cfg.gaming.emulation) {
+      environment.systemPackages = with pkgs; [
+        ryujinx
+        dolphin-emu
+      ];
+    })
+  ];
 }