chrome/test/data/gpu/feature_compositing.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4 <meta charset="utf-8">
   5 <title>GPU Feature Testing: Accelerated Compositing</title>
   6 <style>
   7 body {
   8   -webkit-transform: translateZ(0);
   9 }
  10 </style>
  11 <script>
  12 var frameCount = 0;
  13 // 3 is not enough for threaded compositing, using 6 to avoid racing.
  14 var totalRafs = 6;
  15
  16 function runTest() {
  17   window.webkitRequestAnimationFrame(draw);
  18 }
  19 function draw() {
  20   frameCount++;
  21   var table = document.getElementById("table");
  22   table.style.backgroundColor = (frameCount & 1) ? 'red' : 'black';
  23   if (frameCount == totalRafs) {
  24     domAutomationController.setAutomationId(1);
  25     domAutomationController.send("FINISHED");
  26   } else {
  27     window.webkitRequestAnimationFrame(draw);
  28   }
  29 }
  30 </script>
  31 </head>
  32 <body onload="runTest()">
  33 This page should trigger accelerated-compositing, i.e., gpu process should
  34  launch, if accelerated-compositing is allowed.
  35 <table id="table" width="10" height="10"><tr/></table>
  36 </body>
  37 </html>