{ pkgs, config, lib, ... }: {
  options.speccon18.applications.fnv.enable =
    lib.mkEnableOption "enable config for Fallout New Vegas";

  config = lib.mkIf config.speccon18.applications.fnv.enable {

    # Load nvidia driver for Xorg and Wayland
    # For offloading, `modesetting` is needed additionally,
    # otherwise the X-server will be running permanently on nvidia,
    # thus keeping the GPU always on (see `nvidia-smi`).
    services.xserver.videoDrivers = [
      "nvidia"
    ];
    
    # Blacklist Nouveau driver to force 3060 to use nvidia driver
    boot.blacklistedKernelModules = [ "nouveau" ];
    
    # Enable OpenGL
    hardware = {
      graphics = { 
        enable = true;
        enable32Bit = true;

      };
      nvidia = {
        # Optionally, you may need to select the appropriate driver version for your specific GPU.
        package = config.boot.kernelPackages.nvidiaPackages.latest;
        prime = {
          sync.enable = true; 
          # Make sure to use the correct Bus ID values for your system!
          intelBusId = "PCI:0:2:0";
          nvidiaBusId = "PCI:1:0:0";
        };
        # Modesetting is required.
        modesetting.enable = true;

        # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
        # Enable this if you have graphical corruption issues or application crashes after waking
        # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead 
        # of just the bare essentials.
        powerManagement.enable = false;

        # Fine-grained power management. Turns off GPU when not in use.
        # Experimental and only works on modern Nvidia GPUs (Turing or newer).
        powerManagement.finegrained = false;

        # Use the NVidia open source kernel module (not to be confused with the
        # independent third-party "nouveau" open source driver).
        # Support is limited to the Turing and later architectures. Full list of 
        # supported GPUs is at: 
        # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus 
        # Only available from driver 515.43.04+
        open = true;

        # Enable the Nvidia settings menu,
        # accessible via `nvidia-settings`.
        nvidiaSettings = true;
      };
    };
  };
}