Update FredOS-Gaming.nix

hosts/FredOS-Gaming.nix

@@ -1,36 +1,39 @@
-# hosts/FredOS-Gaming.nix
 { config, pkgs, lib, ... }:
 {
-config = lib.mkIf (config.networking.hostName == "FredOS-Gaming") {
-  # List packages installed in system profile. To search, run:
-  # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    #Package name
-    lutris
-    gamescope
-    libdecor
-  ];
+  config = lib.mkIf (config.networking.hostName == "FredOS-Gaming") {
     
-  programs.steam = {
-    enable = true;
-    remotePlay.openFirewall = true;
-    package = pkgs.steam.override {
-      extraPkgs =
-        pkgs: with pkgs; [
+    environment.systemPackages = with pkgs; [
+      lutris
+      dwaita-icon-theme # Helps with missing cursors/icons in some Wine games
+    ];
+
+    # 1. Enable the Gamescope Module
+    programs.gamescope = {
+      enable = true;
+      capSysNice = true; # Fixes "No CAP_SYS_NICE" warning implies better performance
+      # args = [ "--rt" ]; # Optional: Force realtime priority
+    };
+
+    programs.steam = {
+      enable = true;
+      remotePlay.openFirewall = true;
+      package = pkgs.steam.override {
+        extraPkgs = pkgs: with pkgs; [
           kdePackages.breeze
+          libgdiplus # Often helps with Wine UI rendering
         ];
+      };
+    };
+
+    system.autoUpgrade = {
+      enable = true;
+      dates = "daily";
+      persistent = true;
+      allowReboot = false;
+      flags = [
+        "--upgrade"
+        "--option" "tarball-ttl" "0"
+      ];
     };
   };
-  
-  system.autoUpgrade = {
-    enable = true;
-    dates = "daily";
-    persistent = true;
-    allowReboot = false;
-    flags = [
-      "--upgrade"
-      "--option" "tarball-ttl" "0"
-    ];
-  };
-};
 }