composited-canvas-disable-acceleration-pattern-expected.html

<!DOCTYPE html>
<p>
  Regression test for crbug.com/1499539.
  Disables acceleration by using a pattern.
</p>
<canvas id="canvas" width="100" height="100"></canvas>
<script>
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');

const img = new Image();
img.onload = function() {
  ctx.drawImage(img, 0, 0);
  ctx.drawImage(img, 20, 0);
  ctx.drawImage(img, 0, 20);
  ctx.drawImage(img, 20, 20);

  ctx.fillStyle = 'green';
  ctx.fillRect(20, 0, 10, 10);
}
img.src = 'resources/pattern.png';

</script>

chromium/third_party/blink/web_tests/fast/canvas/composited-canvas-disable-acceleration-pattern-expected.html