Bridge DMS rendering through NixGL

config/niri/beyond-glass.kdl

@@ -23,7 +23,6 @@ input {
 }
 
 spawn-at-startup "xwayland-satellite"
-spawn-at-startup "/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1"
 spawn-sh-at-startup "systemctl --user start dms.service"
 
 hotkey-overlay {

config/nixgl/flake.lock

@@ -0,0 +1,45 @@
+{
+  "nodes": {
+    "nixgl": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1762090880,
+        "narHash": "sha256-fbRQzIGPkjZa83MowjbD2ALaJf9y6KMDdJBQMKFeY/8=",
+        "owner": "nix-community",
+        "repo": "nixGL",
+        "rev": "b6105297e6f0cd041670c3e8628394d4ee247ed5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixGL",
+        "rev": "b6105297e6f0cd041670c3e8628394d4ee247ed5",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1783224372,
+        "narHash": "sha256-8i/87eeoqiGE4yOTjwSA3Eh/ziJRQEmd/unYU+K27sk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d407951447dcd00442e97087bf374aad70c04cea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d407951447dcd00442e97087bf374aad70c04cea",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixgl": "nixgl",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

config/nixgl/flake.nix

@@ -0,0 +1,31 @@
+{
+  description = "64-bit nixGL wrapper for Niri Beyond Glass";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/d407951447dcd00442e97087bf374aad70c04cea";
+    nixgl = {
+      url = "github:nix-community/nixGL/b6105297e6f0cd041670c3e8628394d4ee247ed5";
+      flake = false;
+    };
+  };
+
+  outputs = { nixpkgs, nixgl, ... }:
+    let
+      forAllSystems = nixpkgs.lib.genAttrs [ "x86_64-linux" "aarch64-linux" ];
+    in {
+      packages = forAllSystems (system:
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+            config.allowUnfree = true;
+          };
+          wrappers = import "${nixgl}/default.nix" {
+            inherit pkgs;
+            enable32bits = false;
+            enableIntelX86Extensions = system == "x86_64-linux";
+          };
+        in {
+          default = wrappers.auto.nixGLDefault;
+        });
+    };
+}

config/systemd/dms.service

@@ -6,7 +6,7 @@ After=graphical-session.target
 [Service]
 Type=simple
 Environment=PATH=%h/.local/bin:%h/.local/state/niri-beyond-glass/nix-profile/bin:/usr/local/bin:/usr/bin:/bin
-ExecStart=%h/.local/state/niri-beyond-glass/nix-profile/bin/dms run --session
+ExecStart=%h/.local/state/niri-beyond-glass/nix-profile/bin/nixGL %h/.local/state/niri-beyond-glass/nix-profile/bin/dms run --session
 ExecReload=/usr/bin/pkill -USR1 -x dms
 Restart=on-failure
 RestartSec=1.23