dom/canvas/test/webgl-conf/checkout/conformance/rendering/preservedrawingbuffer-leak.html

   1 <!--
   2 Copyright (c) 2019 The Khronos Group Inc.
   3 Use of this source code is governed by an MIT-style license that can be
   4 found in the LICENSE.txt file.
   5 -->
   6
   7 <!DOCTYPE html>
   8 <html>
   9 <head>
  10 <meta charset="utf-8">
  11 <title>WebGL PreserveDrawingBuffer Leak Test</title>
  12 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
  13 <script src="../../js/js-test-pre.js"></script>
  14 <script src="../../js/webgl-test-utils.js"> </script>
  15 <script src="../../js/tests/iterable-test.js"> </script>
  16 </head>
  17 <body>
  18 <canvas id="example" width="4096" height="4096" style="width: 128px; height: 128px;"></canvas>
  19 <div id="description"></div>
  20 <div id="console"></div>
  21 <script>
  22 "use strict";
  23
  24 enableJSTestPreVerboseLogging();
  25 description(document.title);
  26 debug('Regression test for <a href="https://code.google.com/p/chromium/issues/detail?id=682482">Chromium bug 682482</a>');
  27
  28 var wtu = WebGLTestUtils;
  29
  30 var gl = wtu.create3DContext("example", {preserveDrawingBuffer: true});
  31 if (!gl) {
  32     testFailed("context does not exist");
  33     finishTest();
  34 } else {
  35     var test = IterableTest.createPreserveDrawingBufferLeakTest(gl);
  36     var iterations = parseInt(wtu.getUrlOptions().iterations, 10) || 50;
  37     IterableTest.run(test, iterations);
  38 }
  39
  40 var successfullyParsed = true;
  41 </script>
  42
  43 </body>
  44 </html>