native_client_sdk/src/examples/demo/life_simd/example.js

   1 // Copyright 2014 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 function moduleDidLoad() {
   6 }
   7
   8
   9 // Add event listeners after the NaCl module has loaded.  These listeners will
  10 // forward messages to the NaCl module via postMessage()
  11 function attachListeners() {
  12   document.getElementById('benchmark').addEventListener('click',
  13     function() {
  14       common.naclModule.postMessage({'message' : 'run_benchmark'});
  15       common.updateStatus('BENCHMARKING... (please wait)');
  16     });
  17   document.getElementById('simd').addEventListener('click',
  18     function() {
  19       var simd = document.getElementById('simd');
  20       common.naclModule.postMessage({'message' : 'set_simd',
  21           'value' : simd.checked});
  22     });
  23   document.getElementById('multithread').addEventListener('click',
  24     function() {
  25       var multithread = document.getElementById('multithread');
  26       common.naclModule.postMessage({'message' : 'set_threading',
  27           'value' : multithread.checked});
  28     });
  29   document.getElementById('large').addEventListener('click',
  30     function() {
  31       var large = document.getElementById('large');
  32       var nacl = document.getElementById('nacl_module');
  33       nacl.setAttribute('width', large.checked ? 1280 : 640);
  34       nacl.setAttribute('height', large.checked ? 1024 : 640);
  35     });
  36 }
  37
  38
  39 // Handle a message coming from the NaCl module.
  40 function handleMessage(message_event) {
  41   if (message_event.data.message == 'benchmark_result') {
  42     // benchmark result
  43     var result = message_event.data.value;
  44     console.log('Benchmark result:' + result);
  45     result = (Math.round(result * 1000) / 1000).toFixed(3);
  46     document.getElementById('result').textContent =
  47       'Result: ' + result + ' seconds';
  48     common.updateStatus('SUCCESS');
  49   }
  50 }
  51