this sorta worked

systems/x86_64-linux/drivebystation-nix/default.nix

@@ -55,50 +55,6 @@ in
         ];
       };
       # lib.my-namespace.home.stream-tools.enable = true;
-      programs.gamescope.enable = true;
-      programs.steam = {
-        enable = true;
-        remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
-        dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
-        localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
-
-        gamescopeSession = {
-          enable = true;
-          env = {
-            # WLR_RENDERER = "vulkan";
-            # DXVK_HDR = "1";
-            ENABLE_GAMESCOPE_WSI = "1";
-            WINE_FULLSCREEN_FSR = "1";
-            # Games allegedly prefer X11
-            SDL_VIDEODRIVER = "x11";
-          };
-          args = [
-            "--xwayland-count 2"
-            "--expose-wayland"
-
-            "-e" # Enable steam integration
-            "--steam"
-
-            # "--adaptive-sync"
-            # "--hdr-enabled"
-            # "--hdr-itm-enable"
-
-            # External monitor
-            "--prefer-output DP-3"
-            "--output-width 1920"
-            "--output-height 1080"
-            "-r 172"
-
-            # Laptop display
-            # "--prefer-output eDP-1"
-            # "--output-width 2560"
-            # "--output-height 1600"
-            # "-r 120"
-            
-            "--prefer-vk-device 10de:1b81" # lspci -nn | grep VGA
-          ];
-        };
-      };
 
       # Open ports in the firewall.
       networking.firewall.allowedTCPPorts = [

systems/x86_64-linux/drivebystation-nix/nvidia.nix

@@ -4,10 +4,13 @@
   # Enable OpenGL
   hardware.graphics = {
     enable = true;
+    extraPackages = with pkgs; [ nvidia-vaapi-driver ];
   };
 
   # Load nvidia driver for Xorg and Wayland
   # boot.extraModulePackages = [ config.boot.kernelPackages.nvidia_x11 ];
+  boot.extraModulePackages = [ config.boot.kernelPackages.nvidia_x11_vulkan_beta ];
+
   boot.kernelParams = [
    "nvidia-drm.fbdev=1"
    "nvidia-drm.modeset=1"
@@ -18,7 +21,15 @@
     "nouveau"   
   ];
   services.xserver.videoDrivers = [ "nvidia" ];
-  boot.initrd.kernelModules = [ "nvidia" "nvidia-drm" ];
+  boot.initrd.kernelModules = [ 
+    "nvidia" 
+    "nvidia-drm"
+    "nvidia-modeset"
+    "nvidia-uvm"
+    "nvidia_modeset"
+    "nvidia_uvm"
+    "i2c-nvidia_gpu"
+    ];
   #boot.initrd.kernelModules = [ "nvidia" ];
   
 
@@ -50,7 +61,9 @@
     nvidiaSettings = true;
 
     # Optionally, you may need to select the appropriate driver version for your specific GPU.
-    package = config.boot.kernelPackages.nvidiaPackages.beta;
+    # package = config.boot.kernelPackages.nvidiaPackages.beta;
+    package = config.boot.kernelPackages.nvidiaPackages.vulkan_beta;
+
   };
   # users.users.andreas = {
   #  extraGroups = [ "video" "render" ];

systems/x86_64-linux/drivebystation-nix/steam.nix

@@ -0,0 +1,72 @@
+{
+  # Snowfall Lib provides a customized `lib` instance with access to your flake's library
+  # as well as the libraries available from your flake's inputs.
+  lib, 
+  # An instance of `pkgs` with your overlays and packages applied is also available.
+  pkgs, 
+  # You also have access to your flake's inputs.
+  inputs, 
+  # Additional metadata is provided by Snowfall Lib.
+  # The namespace used for your flake, defaulting to "internal" if not set.
+  namespace, 
+  # The system architecture for this host (eg. `x86_64-linux`).
+  system, 
+  # The Snowfall Lib target for this system (eg. `x86_64-iso`).
+  target, 
+  # A normalized name for the system target (eg. `iso`).
+  format, 
+  # A boolean to determine whether this system is a virtual target using nixos-generators.
+  virtual, 
+  # An attribute map of your defined hosts.
+  systems, 
+  # All other arguments come from the system system.
+  config
+, ...
+}:{
+  config = {
+    programs.gamescope.enable = true;
+    programs.steam = {
+      enable = true;
+      remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+      dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+      localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
+
+      gamescopeSession = {
+        enable = true;
+        env = {
+          WLR_RENDERER = "vulkan";
+          DXVK_HDR = "1";
+          ENABLE_GAMESCOPE_WSI = "1";
+          WINE_FULLSCREEN_FSR = "1";
+          # Games allegedly prefer X11
+          SDL_VIDEODRIVER = "x11";
+        };
+        args = [
+          "--xwayland-count 1"
+          "--expose-wayland"
+
+          "-e" # Enable steam integration
+          "--steam"
+
+          # "--adaptive-sync"
+          # "--hdr-enabled"
+          # "--hdr-itm-enable"
+
+          # External monitor
+          "--prefer-output DP-3"
+          "--output-width 1920"
+          "--output-height 1080"
+          "-r 172"
+
+          # Laptop display
+          # "--prefer-output eDP-1"
+          # "--output-width 2560"
+          # "--output-height 1600"
+          # "-r 120"
+          
+          "--prefer-vk-device 10de:1b81" # lspci -nn | grep VGA
+        ];
+      };
+    };
+  };
+}