nix-configs/hosts/denkbrett/modules/graphics.nix

{
  pkgs,
  lib,
  config,
  ...
}:
{
  environment.variables = {
    VDPAU_DRIVER = lib.mkIf config.hardware.graphics.enable (lib.mkDefault "va_gl");
  };
  hardware.graphics = {
    extraPackages = with pkgs; [
      intel-ocl
      intel-media-driver
      intel-vaapi-driver
      intel-compute-runtime
      libvdpau-va-gl
      mesa.drivers
    ];
  };
}