chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/filter-subregion-01-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>filter primitive subregion: Clip to filter primitive subregion</title>
<link rel="author" title="Chris Lilley" href="mailto:[email protected]">
<p>Test passes if two semi-transparent green rectangles are on top of the
blue boxes to the left, and one opaque green rectangle on the blue box
to the right.</p>
<!-- this is example filtersubregion00 from the specification -->
<img src="support/filtersubregion00.png" style="width:400px; height: 400px"/>