{ config, pkgs, ... }:
{
  hardware.opengl = {
    enable = true;
    driSupport = true;
    driSupport32Bit = true;
  };

  # Nvidia
  services.xserver.videoDrivers = [ "nvidia" ];
  hardware.nvidia = {
    modesetting.enable = true;
    open = false;
    nvidiaSettings = true;

    powerManagement = {
      enable = true;
      finegrained = false;
    };

    package = let
      rcu_patch = pkgs.fetchpatch {
        url = "https://github.com/gentoo/gentoo/raw/c64caf53/x11-drivers/nvidia-drivers/files/nvidia-drivers-470.223.02-gpl-pfn_valid.patch";
        hash = "sha256-eZiQQp2S/asE7MfGvfe6dA/kdCvek9SYa/FFGp24dVg=";
      };
    in config.boot.kernelPackages.nvidiaPackages.mkDriver {
      version = "535.154.05";
      sha256_64bit = "sha256-fpUGXKprgt6SYRDxSCemGXLrEsIA6GOinp+0eGbqqJg=";
      sha256_aarch64 = "sha256-G0/GiObf/BZMkzzET8HQjdIcvCSqB1uhsinro2HLK9k=";
      openSha256 = "sha256-wvRdHguGLxS0mR06P5Qi++pDJBCF8pJ8hr4T8O6TJIo=";
      settingsSha256 = "sha256-9wqoDEWY4I7weWW05F4igj1Gj9wjHsREFMztfEmqm10=";
      persistencedSha256 = "sha256-d0Q3Lk80JqkS1B54Mahu2yY/WocOqFFbZVBh+ToGhaE=";

      patches = [ rcu_patch ];
    }

    #prime = {
    #  sync.enable = true;

      # Integrated
      # interBusId = "PCI:0:0:0";

      # Dedicated
    #  nvidiaBusId = "PCI:2:0:0";
    #};
  };

  # Steam
  programs.steam = {
    enable = true;
    gamescopeSession.enable = true;
    remotePlay.openFirewall = true;
    dedicatedServer.openFirewall = true;
  };

  environment.systemPackages = with pkgs; [
    #mangohud
    protonup
  ];

  environment.sessionVariables = {
    STEAM_EXTRA_COMPAT_TOOLS_PATHS = "/home/chris/.steam/root/compatibilitytools.d";
  };

  programs.gamemode.enable = true;
}