monado: First work

hosts/perso-desktop/configuration.nix

@@ -55,6 +55,8 @@
       printing.enable = true;
       steering-wheel.enable = true;
     };
+
+    services.monado.enable = true;
   };
 
   chaotic.mesa-git = {

modules/system/services/default.nix

@@ -4,6 +4,7 @@
   imports = [
     ./distrobox.nix
     ./docker.nix
+    ./monado.nix
     ./ollama.nix
     ./openssh.nix
   ];

modules/system/services/monado.nix

@@ -0,0 +1,41 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.modules.system.services.monado;
+in
+{
+  options.modules.system.services.monado = {
+    enable = mkEnableOption ''
+      Enable monado with my custom configurations
+    '';
+  };
+  config = mkIf cfg.enable {
+    # https://github.com/NixOS/nixpkgs/issues/258196
+    services.monado = {
+      enable = true;
+      defaultRuntime = true;
+    };
+    
+    systemd.user.services.monado.environment = {
+      STEAMVR_LH_ENABLE = "1";
+      XRT_COMPOSITOR_COMPUTE = "1";
+    };
+
+    environment.variables = {
+      STEAMVR_LH_ENABLE = "1";
+      XRT_COMPOSITOR_COMPUTE = "1";
+      WMR_HANDTRACKING = "0";
+
+      VIT_SYSTEM_LIBRARY_PATH = "${pkgs.basalt-monado}/lib/libbasalt.so";
+    };
+
+    home-manager.users.florian.home.file.".local/share/monado/hand-tracking-models".source =
+      pkgs.fetchgit
+      {
+        url = "https://gitlab.freedesktop.org/monado/utilities/hand-tracking-models";
+        sha256 = "x/X4HyyHdQUxn3CdMbWj5cfLvV7UyQe1D01H93UCk+M=";
+        fetchLFS = true;
+      };
+  };
+}