tools/perf/page_sets/tough_canvas_cases/many_images/bench.js

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 var bench = (function() {
   6   var rafFunc;
   7   var drawFunc;
   8
   9   function tick() {
  10     drawFunc();
  11     rafFunc(tick);
  12   };
  13
  14   function startAnimation() {
  15     rafFunc = window.requestAnimationFrame ||
  16               window.webkitRequestAnimationFrame ||
  17               window.mozRequestAnimationFrame ||
  18               window.oRequestAnimationFrame ||
  19               window.msRequestAnimationFrame;
  20     rafFunc(tick);
  21   };
  22
  23   var bench = {};
  24   bench.run = function(df) {
  25     drawFunc = df;
  26     startAnimation();
  27   };
  28   return bench;
  29 })();