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<!DOCTYPE html>
<html class="reftest-wait">
<html>
<head>
<title>CSS Filters: Repaint a compositing layer</title>
<link rel="author" title="Simon Fraser" href="mailto:simon.fraser@apple.com>">
<link rel="help" href="https://drafts.fxtf.org/filter-effects/#dropshadowEquivalent">
<link rel="issue" href="https://bugs.webkit.org/show_bug.cgi?id=120135">
<link rel="issue" href="https://chromiumcodereview.appspot.com/23526037">
<link rel="match" href="reference/remove-filter-repaint-ref.html">
<meta name="assert" content="This test ensures that we can repaint the compositing layer when removing a filter on an inline child of a compositing layer.">
<script src="/common/reftest-wait.js"></script>
<style>
.backdrop {
position: absolute;
top: 0;
left: 0;
height: 100px;
width: 100px;
background-color: silver;
}
.overlay {
position: absolute;
top: 50px;
left: 50px;
width: 400px;
height: 100px;
background: gray;
box-shadow: 0 0 4px black;
}
.play {
font-size: 36pt;
background-color: navy;
color: white;
}
.play.changed {
filter: drop-shadow(black 0 0 5px);
}
.composited {
will-change: transform;
}
</style>
<script>
function doTest() {
requestAnimationFrame(function() {
requestAnimationFrame(function() {
document.getElementById('play').classList.remove('changed');
takeScreenshot();
});
});
}
window.addEventListener('load', doTest, false);
</script>
</head>
<body>
<div class="composited backdrop"></div>
<div class="overlay">
<span id="play" class="play changed">this should be visible</span>
</div>
</body>
</html>
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