nixcfg/hwModules/common/gpu/intel/default.nix

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

  environment.sessionVariables = {
    LIBVA_DRIVER_NAME = "iHD";
    VDPAU_DRIVER = "va_gl";
  };

  hardware = {
    intel-gpu-tools.enable = true;

    opengl = {
      enable = true;
      driSupport = true;
      driSupport32Bit = true;

      extraPackages = with pkgs; [
        intel-media-driver # LIBVA_DRIVER_NAME=iHD
        (intel-vaapi-driver.override {enableHybridCodec = true;})
        libvdpau-va-gl
      ];

      extraPackages32 = with pkgs.driversi686Linux; [
        intel-media-driver # LIBVA_DRIVER_NAME=iHD
        (intel-vaapi-driver.override {enableHybridCodec = true;})
        libvdpau-va-gl
      ];
    };
  };

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