<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"
  xmlns:xlink="http://www.w3.org/1999/xlink">

  <defs>
    <filter id="filter">
      <feOffset dx="1000"/>
      <feComposite in="SourceGraphic"/>
    </filter>
  </defs>

  <rect width="100" height="100" fill="green" filter="url(#filter)"/>
</svg>