chrome/test/data/gpu/feature_raf_no_damage.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <meta charset="utf-8">
   5 <title>GPU Feature Testing: Accelerated Compositing No Damage</title>
   6 <style>
   7 body {
   8   -webkit-transform: translateZ(0);
   9 }
  10 </style>
  11 <script>
  12 var frameCount = 0;
  13 var totalRafs = 50;
  14
  15 function runTest() {
  16   window.webkitRequestAnimationFrame(draw);
  17 }
  18 function draw() {
  19   console.time("___RafWithNoDamage___");
  20   frameCount++;
  21   if (frameCount == totalRafs) {
  22     domAutomationController.setAutomationId(1);
  23     domAutomationController.send("FINISHED");
  24   } else {
  25     window.webkitRequestAnimationFrame(draw);
  26   }
  27   console.timeEnd("___RafWithNoDamage___");
  28 }
  29 </script>
  30 </head>
  31 <body onload="runTest()">
  32 This page should trigger accelerated-compositing, i.e., gpu process should
  33  launch, if accelerated-compositing is allowed. However, the RAF callback
  34  does no damage, so there will be no Swaps and the RAF rate should be throttled
  35  by software timers.
  36 </body>
  37 </html>