nvidia: set envvar

host/modules/gpu/nvidia.nix

@@ -1,10 +1,16 @@
 { config, pkgs, lib, ... }: {
+  boot.kernelParams = [ "nvidia-drm.modeset=1" ];
   services.xserver.videoDrivers = [ "nvidia" ];
+
   hardware = {
     graphics = {
       enable = true;
       enable32Bit = true;
-      extraPackages = with pkgs; [nvidia-vaapi-driver intel-media-driver];
+      extraPackages = with pkgs; [
+        nvidia-vaapi-driver
+        intel-media-driver
+        libvdpau-va-gl
+      ];
       extraPackages32 = with pkgs.pkgsi686Linux; [nvidia-vaapi-driver intel-media-driver];
     };
 
@@ -24,4 +30,15 @@
       };
     };
   };
+
+  environment.sessionVariables = {
+    WLR_NO_HARDWARE_CURSORS = 1;
+    WLR_DRM_NO_ATOMIC = 1;
+    GBM_BACKEND = "nvidia-drm";
+    LIBVA_DRIVER_NAME = "nvidia";
+    __GLX_VENDOR_LIBRARY_NAME = "nvidia";
+    __GL_VRR_ALLOWED = 1;
+    ELECTRON_OZONE_PLATFORM_HINT = "auto";
+    NIXOS_OZONE_WL = 1;
+  };
 }