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+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<svg id="svg-root"
+  xmlns="http://www.w3.org/2000/svg"
+  xmlns:xlink="http://www.w3.org/1999/xlink">
+
+  <g id="testmeta">
+    <title>SVG Filter Chains: Clip Input Filter</title>
+    <link rel="copyright"
+          href="http://www.w3.org/Graphics/SVG/Test/Copyright"/>
+    <link rel="license"
+          href="http://www.w3.org/Consortium/Legal/2008/03-bsd-license.html"/>
+    <link rel="author"
+          title="Max Vujovic"
+          href="mailto:mvujovic@adobe.com"/>
+    <link rel="help"
+          href="http://dev.w3.org/fxtf/filters/#FilterPrimitiveSubRegion"/>
+    <link rel="match"
+          href="clip-input-ref.svg" />
+    <metadata class="flags">namespace svg</metadata>
+    <desc class="assert">
+      In an SVG filter chain, this test verifies that a filter region clips a
+      SourceGraphic input filter. If the test passes, you should see a green
+      square.
+    </desc>
+  </g>
+
+  <g id="test-body-content">
+    <filter id="f1" x="100" y="0" width="100" height="100" filterUnits="userSpaceOnUse">
+      <!-- Create a red square at x=100. -->
+      <feFlood flood-color="red"/>
+    </filter>
+    <filter id="f2" x="0" y="0" width="100" height="100" filterUnits="userSpaceOnUse">
+      <!-- Create a green square at x=0. -->
+      <feFlood result="green" flood-color="green"/>
+      <!--
+          Attempt to offset the red square left to cover up the green square.
+          However, this filter's filter region should clip away the red square,
+          and only transparent pixels should be offset left, leaving the green
+          square intact.
+      -->
+      <feOffset result="red" in="SourceGraphic" dx="-100" x="0" y="0" width="200" height="100"/>
+      <feMerge>
+          <feMergeNode in="green"/>
+          <feMergeNode in="red"/>
+      </feMerge>
+    </filter>
+    <rect x="0" y="0" width="100" height="100" filter="url(#f1) url(#f2)"/>
+  </g>
+</svg>