filter-source-outside-viewport.html

<!DOCTYPE html>
<svg width="100" height="100">
  <filter id="largeOffsetFilter" x="0" y="0" width="1" height="1">
    <feOffset dx="-2000" dy="-2000"/>
  </filter>
  <g filter="url(#largeOffsetFilter)">
    <rect x="0" y="0" width="100" height="100" fill="red"/>
    <rect x="2000" y="2000" width="100" height="100" fill="green"/>
  </g>
</svg>

chromium/third_party/blink/web_tests/svg/filters/filter-source-outside-viewport.html