[desktop] Add custom package modrinth-nvidia

packages/default.nix

@@ -1,4 +1,5 @@
 { pkgs, ... }:
 {
   nextcloudTalkDesktop = pkgs.callPackage ./nextcloud-talk-desktop {};
+  modrinthNvidia = pkgs.callPackage ./modrinth-nvidia {};
 }

packages/modrinth-nvidia/default.nix

@@ -0,0 +1,35 @@
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.stdenv.mkDerivation {
+  pname = "modrinth-nvidia";
+  version = "0.1.0";
+  src = null;
+  dontUnpack = true;
+  dontBuild = true;
+  dontConfigure = true;
+
+  nativeBuildInputs = [ pkgs.makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    # Copy the original binary
+    cp ${pkgs.modrinth-app}/bin/ModrinthApp $out/bin/modrinth-nvidia-real
+    chmod +x $out/bin/modrinth-nvidia-real
+
+    # Wrap the binary with makeWrapper, producing a new script at 'modrinth-nvidia'
+    makeWrapper $out/bin/modrinth-nvidia-real $out/bin/modrinth-nvidia \
+      --set WEBKIT_DISABLE_DMABUF_RENDERER 1 \
+      --set WEBKIT_DISABLE_COMPOSITING_MODE 1
+
+    mkdir -p $out/share/applications
+    cat > $out/share/applications/modrinth-nvidia.desktop <<EOF
+[Desktop Entry]
+Name=Modrinth (NVIDIA)
+Comment=Launch Modrinth with environment variables tuned for NVIDIA systems
+Exec=$out/bin/modrinth-nvidia
+Icon=modrinth-app
+Terminal=false
+Type=Application
+Categories=Game;
+EOF
+  '';
+}

roles/desktop/default.nix

@@ -5,11 +5,15 @@ with lib;
 let
   cfg = config.roles.desktop;
 
+  customPackages = pkgs.callPackage ../../packages {};
+
   basePackages = with pkgs; [
     brightnessctl
     mangohud # Should probably get refactored with steam/gamescope out to a gaming role
     modrinth-app
     protonup-qt
+
+    customPackages.modrinthNvidia
   ];
 
   x11BasePackages = with pkgs; [