{ config, pkgs, ... }:
{
        hardware.graphics = {
                enable = true;
                extraPackages = with pkgs; [
                        intel-media-driver   # VAAPI moderne pour Skylake (iHD)
                        intel-vaapi-driver   # ancien driver i965 (fallback)
                        libvdpau-va-gl
                ];
        };

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