nix-dotfiles/nixosModules/services/nvidia/service.nix

{ config, pkgs, lib, ... }:

{
  options.nvidia = {
    enable = lib.mkEnableOption "Enables nvidia with proprietary drivers";
    open = lib.mkEnableOption "Use open nvidia option for newer cards";
    stable = lib.mkEnableOption "Use stable instead of beta";
  };

  config = lib.mkIf config.nvidia.enable {
    hardware.graphics.enable = true;

    services.xserver.videoDrivers = ["nvidia"];

    hardware.nvidia = {
      open = if config.nvidia.open then true else false;
      modesetting.enable = true;
      package = if config.nvidia.stable
        then config.boot.kernelPackages.nvidiaPackages.stable
        else config.boot.kernelPackages.nvidiaPackages.beta;
    };

    boot.kernelParams = [ "nvidia_drm.fbdev=1" ];

    environment.systemPackages = with pkgs; [
      nvidia-vaapi-driver
    ];
  };
}