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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<html class="reftest-wait">
<link rel="match" href="2d.layer.flush-on-frame-presentation-expected.html">
<title>Canvas test: 2d.layer.flush-on-frame-presentation</title>
<h1>2d.layer.flush-on-frame-presentation</h1>
<p class="desc">Check that layers state stack is flushed and rebuilt on frame renders.</p>
<canvas id="canvas" width="200" height="200">
<p class="fallback">FAIL (fallback content)</p>
</canvas>
<script type="module">
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext('2d');
ctx.fillStyle = 'purple';
ctx.fillRect(60, 60, 75, 50);
ctx.globalAlpha = 0.5;
ctx.beginLayer({filter: {name: 'dropShadow', dx: -2, dy: 2}});
ctx.fillRect(40, 40, 75, 50);
ctx.fillStyle = 'grey';
ctx.fillRect(50, 50, 75, 50);
// Force a flush and restoration of the state stack:
await new Promise(resolve => requestAnimationFrame(resolve));
ctx.fillRect(70, 70, 75, 50);
ctx.fillStyle = 'orange';
ctx.fillRect(80, 80, 75, 50);
ctx.endLayer();
ctx.fillRect(80, 40, 75, 50);
document.documentElement.classList.remove("reftest-wait");
</script>
</html>
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