tor-browser

The Tor Browser
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context-release-with-workers.html (1829B)

      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 Context Release 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 </head>
     16 <body>
     17 <iframe id="host" style="width: 256px; height: 256px; border: 0;"></iframe>
     18 <div id="description"></div>
     19 <div id="console"></div>
     20 <script>
     21 "use strict";
     22 description("This test ensures that WebGL contexts are released properly when a worker is used");
     23 
     24 var wtu = WebGLTestUtils;
     25 
     26 var host = document.getElementById("host");
     27 var testIterations = 25;
     28 var currentIteration = 0;
     29 
     30 function refreshFrame() {
     31  if(currentIteration < testIterations) {
     32    currentIteration++;
     33    debug("");
     34    debug("Test " + currentIteration + " of " + testIterations);
     35    host.src = "resources/context-release-child-with-worker.html";
     36  } else {
     37    finishTest();
     38  }
     39 }
     40 
     41 function testContext() {
     42  var gl = host.contentWindow.glContext;
     43  assertMsg(gl != null, "context was created properly");
     44 
     45  wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors");
     46 
     47  if(gl.canvas.width != gl.drawingBufferWidth ||
     48    gl.canvas.height != gl.drawingBufferHeight) {
     49    testFailed("Buffer was the wrong size: " +
     50        gl.drawingBufferWidth + "x" + gl.drawingBufferHeight);
     51  } else {
     52    testPassed("Buffer was the correct size: " +
     53        gl.drawingBufferWidth + "x" + gl.drawingBufferHeight);
     54    refreshFrame();
     55  }
     56 
     57  gl = null;
     58 }
     59 
     60 window.addEventListener("message", function(event) {
     61  if(event.data == "Ready") {
     62    testContext();
     63  }
     64 });
     65 
     66 refreshFrame();
     67 
     68 var successfullyParsed = true;
     69 </script>
     70 
     71 </body>
     72 </html>