# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).
{ pkgs
, lib
, config
, ...
}:
{

  boot = {
    initrd.kernelModules = [ "i915" ];
  };

  hardware.nvidia = {
    # modesetting.enable = true;
    # package = pkgs.linuxPackages.nvidia_x11;
    package = config.boot.kernelPackages.nvidiaPackages.mkDriver {
      version = "555.58.02";

      sha256_64bit = "sha256-xctt4TPRlOJ6r5S54h5W6PT6/3Zy2R4ASNFPu8TSHKM=";
      sha256_aarch64 = lib.fakeSha256;
      openSha256 = lib.fakeSha256;
      settingsSha256 = "sha256-ZpuVZybW6CFN/gz9rx+UJvQ715FZnAOYfHn5jt5Z2C8=";
      persistencedSha256 = lib.fakeSha256;
    };

    prime = {
      offload.enable = false;
      sync.enable = true;
      intelBusId = "PCI:0:2:0";
      nvidiaBusId = "PCI:1:0:0";
    };
  };

  programs.gamemode = {
    enable = true;
    settings = {
      custom = {
        start = "${pkgs.libnotify}/bin/notify-send 'GameMode started'";
        end = "${pkgs.libnotify}/bin/notify-send 'GameMode ended'";
      };
    };
  };

  programs.alvr = {
    enable = true;
    openFirewall = true;
  };

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