nixos-config/hardware/intel-uhd.nix

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

{
    # Accel graphics
    nixpkgs.config.packageOverrides = pkgs: {
        intel-vaapi-driver = pkgs.intel-vaapi-driver.override { enableHybridCodec = true; };
    };
    hardware.opengl = {
        enable = true;
        extraPackages = with pkgs; [
        intel-media-driver # LIBVA_DRIVER_NAME=iHD
        intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
        vaapiVdpau
        libvdpau-va-gl
        ];
    };
    environment.sessionVariables = { LIBVA_DRIVER_NAME = "iHD"; }; # Force intel-media-driver
}