Update FredOS-Gaming.nix

hosts/FredOS-Gaming.nix

@@ -1,23 +1,26 @@
-# 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
+  config = lib.mkIf (config.networking.hostName == "FredOS-Gaming") {
+    
     environment.systemPackages = with pkgs; [
-    #Package name
       lutris
-    gamescope
-    libdecor
+      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; [
+        extraPkgs = pkgs: with pkgs; [
           kdePackages.breeze
+          libgdiplus # Often helps with Wine UI rendering
         ];
       };
     };
@@ -32,5 +35,5 @@ config = lib.mkIf (config.networking.hostName == "FredOS-Gaming") {
         "--option" "tarball-ttl" "0"
       ];
     };
-};
+  };
 }