-<script>
-if (window.testRunner) {
- // Force software rendering mode.
- window.testRunner.overridePreference("WebKitAcceleratedCompositingEnabled", "0");
-}
-</script>
<img style="-webkit-filter: grayscale(0)" src="resources/reference.png">
<img style="-webkit-filter: grayscale(0.2)" src="resources/reference.png">
<img style="-webkit-filter: grayscale(0.4)" src="resources/reference.png">