again

modules/nixos/hardware/opengl/default.nix

@@ -0,0 +1,40 @@
+{ config, lib, pkgs, namespace, ... }:
+let
+  inherit (lib) mkIf;
+  inherit (lib.${namespace}) mkBoolOpt;
+
+  cfg = config.${namespace}.hardware.opengl;
+in
+{
+  options.${namespace}.hardware.opengl = {
+    enable = lib.mkEnableOption "support for opengl";
+    enable32Bit = mkBoolOpt false "enabel 32-bit";
+    enableIntel = mkBoolOpt false "support for intel";
+    enableNvidia = mkBoolOpt false "support for nvidia";
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      libva-utils
+      vdpauinfo
+    ] ++ lib.optionals cfg.enableNvidia [
+      nvtopPackages.full
+    ];
+
+    hardware.graphics = {
+      enable = true;
+      enable32Bit = cfg.enable32Bit;
+
+      extraPackages = with pkgs;
+        lib.optionals cfg.enableIntel [
+          libvdpau-va-gl
+          intel-vaapi-driver
+          intel-media-driver
+          intel-compute-runtime
+          intel-ocl
+        ] ++ lib.optionals cfg.enableNvidia [
+          cudatoolkit
+        ];
+    };
+  };
+}