2015-03-06 18:14:10 +00:00
|
|
|
<!DOCTYPE html>
|
|
|
|
|
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<style>
|
|
|
|
|
.box {
|
|
|
|
|
width: 300px;
|
|
|
|
|
height: 300px;
|
|
|
|
|
background-color: blue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.composited {
|
|
|
|
|
-webkit-transform: translateZ(0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.clipped {
|
|
|
|
|
-webkit-clip-path: inset(0 50px);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
.masked {
|
|
|
|
|
-webkit-mask: linear-gradient(white, transparent);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
body.changed .clipped {
|
|
|
|
|
-webkit-clip-path: inset(0 70px);
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
<script>
|
|
|
|
|
if (window.testRunner) {
|
2016-08-05 21:22:23 +00:00
|
|
|
testRunner.waitUntilDone();
|
2015-03-06 18:14:10 +00:00
|
|
|
testRunner.dumpAsText();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
function doTest()
|
|
|
|
|
{
|
2016-08-05 21:22:23 +00:00
|
|
|
window.setTimeout(function() {
|
|
|
|
|
window.setTimeout(function() {
|
|
|
|
|
if (window.internals)
|
|
|
|
|
window.internals.startTrackingRepaints();
|
2015-03-06 18:14:10 +00:00
|
|
|
|
2016-08-05 21:22:23 +00:00
|
|
|
document.body.classList.add('changed');
|
2015-03-06 18:14:10 +00:00
|
|
|
|
2016-08-05 21:22:23 +00:00
|
|
|
if (window.internals)
|
|
|
|
|
document.getElementById('repaintRects').textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS);
|
2015-03-06 18:14:10 +00:00
|
|
|
|
2016-08-05 21:22:23 +00:00
|
|
|
if (window.testRunner)
|
|
|
|
|
testRunner.notifyDone();
|
|
|
|
|
}, 0)
|
|
|
|
|
}, 0)
|
2015-03-06 18:14:10 +00:00
|
|
|
}
|
|
|
|
|
window.addEventListener('load', doTest, false);
|
|
|
|
|
</script>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<div class="clipped composited box">box1</div>
|
|
|
|
|
<div class="clipped masked composited box">box2</div>
|
|
|
|
|
<p>Only the second box should have a repaint.</p>
|
|
|
|
|
<pre id="repaintRects"></pre>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
