<!--

/*
** Copyright (c) 2013 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/

-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<!-- Prevents Chrome from offering to translate tests which generate
     random characters for things like attribute names -->
<meta name="google" value="notranslate">
<title>WebGL Conformance Tests</title>
<style>
  body {
    border: 0;
    margin: 0;
    padding: 0;
    height: 100%;
    max-height:100%;
    font-family: Verdana, Arial, sans-serif;
    font-size: 0.8em;
  }

  a {
    color: #88F;
    text-decoration: none;
  }

  a:hover {
    border-bottom: 1px solid #66D;
  }

  #testlist {
    position:fixed;
    top:310px;
    left:0;
    right:0;
    bottom:0px;
    overflow:auto;
    padding:1em;
  }

  #header {
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:310px;
    overflow:auto;
    border-bottom: 1px solid #CCC;
  }

  #info {
    text-align: center;
    min-width: 300px;
  }

  table {
    width: 100%;
    height: 100%;
    border: 0;
  }

  #frames {
    border-left: 1px solid #CCC;
  }

  #frames td {
      min-height: 1px;
      min-width: 1px;
  }

  #frames iframe {
    border: 0;
  }
  
  #testList {
    padding:1em;
  }

  .folder {
    margin-bottom: 1.5em;
  }

  .folderHeader {
    white-space: nowrap;
  }

  .folderName {
    font-weight: bold;
  }

  .pageHeader {
    white-space: nowrap;
  }

  .testpage { 
    border-style: solid;
    border-color: #CCC;
    border-width: 0px 0 1px 0;
    background-color: #FFF;
    padding: 4px 0 4px 0;

    -webkit-transition: background-color 0.25s;
    -moz-transition: background-color 0.25s;
    transition: background-color 0.25s;
  }

  .testpage:first-child { 
    border-width: 1px 0 1px 0;
  }

  .timeout { }
  .success { }
  .fail { }
  .testpagesuccess { background-color: #8F8; }
  .testpagefail { background-color: #F88; }
  .testpageskipped { background-color: #888; }
  .testpagetimeout { background-color: #FC8; }
  .nowebgl { font-weight: bold; color: red; }
  #error-wrap {
      float: left;
      position: relative;
      left: 50%;
  }
  #error {
     color: red;
     float: left;
     position: relative;
     left: -50%;
     text-align: left;
  }
  ul {
    list-style: none;
    padding-left: 1em;
  }
</style>
<script type="text/javascript" src="resources/webgl-test-harness.js"></script>
<script>
"use strict";
var DEFAULT_CONFORMANCE_TEST_VERSION = "1.0.3";

var OPTIONS = {
  version: DEFAULT_CONFORMANCE_TEST_VERSION,
  frames: 1,
  allowSkip: 0
};

var testVersions = [
  "1.0.3"
];

function start() {

  function log(msg) {
    if (window.console && window.console.log) {
      window.console.log(msg);
    }
  }

  function create3DContext(canvas, attrs, version) {
    if (!canvas) {
      canvas = document.createElement("canvas");
    }
    var context = null;
    var names;
    switch (version) {
      case 2:
        names = ["webgl2", "experimental-webgl2"]; break;
      default:
        names = ["webgl", "experimental-webgl"]; break;
    }
    for (var i = 0; i < names.length; ++i) {
      try {
        context = canvas.getContext(names[i], attrs);
      } catch (e) {
      }
      if (context) {
        break;
      }
    }
    return context;
  }

  var reportType = WebGLTestHarnessModule.TestHarness.reportType;
  var pageCount = 0;
  var folderCount = 0;
  var autoScrollEnabled = true; // Whether the user prefers to auto scroll
  var autoScroll = true; // Whether auto scroll is actually performed

  var Page = function(reporter, folder, testIndex, url) {
    this.reporter = reporter;
    this.folder = folder;
    this.url = url;
    this.totalTests = 0;
    this.totalSuccessful = 0;
    this.totalTimeouts = 0;
    this.totalSkipped = 0;
    this.testIndex = testIndex;

    this.elementId = "page" + pageCount++;
    var li = reporter.localDoc.createElement('li');
    li.id = this.elementId;
    var div = reporter.localDoc.createElement('div');
    div.classList.add('pageHeader');
    var check = reporter.localDoc.createElement('input');
    check.type = 'checkbox';
    check.checked = true;
    div.appendChild(check);
    var button = reporter.localDoc.createElement('input');
    button.type = 'button';
    button.value = 'run';
    button.onclick = function() {
      autoScroll = false;
      reporter.runTest(url);
    };
    if (reporter.noSelectedWebGLVersion) {
      button.disabled = true;
    }
    div.appendChild(button);
    var a = reporter.localDoc.createElement('a');
    a.href = WebGLTestHarnessModule.getURLWithOptions(url, reporter.selectedWebGLVersion);
    a.target = "_blank";
    var node = reporter.localDoc.createTextNode(url);
    a.appendChild(node);
    div.appendChild(a);
    li.setAttribute('class', 'testpage');
    li.appendChild(div);
    var ul = reporter.localDoc.createElement('ul');
    var node = reporter.localDoc.createTextNode('');
    li.appendChild(ul);
    div.appendChild(node);
    this.totalsElem = node;
    this.resultElem = ul;
    this.elem = li;
    this.check = check;
  };

  Page.prototype.addResult = function(msg, success, skipped) {
    ++this.totalTests;
    if (success === undefined) {
      ++this.totalTimeouts;
      var result = "timeout";
      var css = "timeout";
    } else if (success) {
      if(skipped) {
        ++this.totalSkipped;
      } else {
        ++this.totalSuccessful;
      }
      // don't report success.
      return;
    } else {
      var result = "failed";
      var css = "fail";
    }

    var node = this.reporter.localDoc.createTextNode(result + ': ' + msg);
    var li = this.reporter.localDoc.createElement('li');
    li.appendChild(node);
    li.setAttribute('class', css);
    this.resultElem.appendChild(li);
  };

  Page.prototype.startPage = function() {
    if (autoScroll && this.elem.scrollIntoView) {
      this.elem.scrollIntoView(false);
    }
    this.totalTests = 0;
    this.totalSuccessful = 0;
    this.totalTimeouts = 0;
    // remove previous results.
    while (this.resultElem.hasChildNodes()) {
      this.resultElem.removeChild(this.resultElem.childNodes[0]);
    }
    this.totalsElem.textContent = '';

    var shouldRun = this.check.checked && this.folder.checked();

    if (shouldRun) {
      this.elem.classList.remove('testpagetimeout');
      this.elem.classList.remove('testpageskipped');
      this.elem.classList.remove('testpagefail');
      this.elem.classList.remove('testpagesuccess');
    }

    return this.check.checked && this.folder.checked();
  };

  Page.prototype.firstTestIndex = function() {
    return this.testIndex;
  };

  Page.prototype.finishPage = function(success) {
    if(this.totalSkipped) {
      var msg = ' (' + this.totalSkipped + ' of ' + this.totalTests + ' skipped)';
    } else {
      var msg = ' (' + this.totalSuccessful + ' of ' + this.totalTests + ' passed)';
    }

    if (success === undefined) {
      var css = 'testpagetimeout';
      msg = '(*timeout*)';
      ++this.totalTests;
      ++this.totalTimeouts;
    } else if (this.totalSkipped) {
      var css = 'testpageskipped';
    } else if (this.totalSuccessful != this.totalTests) {
      var css = 'testpagefail';
    } else {
      var css = 'testpagesuccess';
    }
    this.elem.classList.add(css);
    this.totalsElem.textContent = msg;
  };

  Page.prototype.enableTest = function(re) {
    if (this.url.match(re)) {
      this.check.checked = true;
      this.folder.enableUp_();
    }
  };

  Page.prototype.disableTest = function(re) {
    if (this.url.match(re)) {
      this.check.checked = false;
    }
  };

  var Folder = function(reporter, folder, depth, opt_name) {
    this.reporter = reporter;
    this.depth = depth;
    this.name = opt_name || "";
    this.displayName = this.name;
    if (folder && folder.displayName) {
      this.displayName = folder.displayName + '/' + this.displayName;
    }
    this.subFolders = {};
    this.pages = [];
    this.items = [];
    this.folder = folder;
    var that = this;

    var doc = reporter.localDoc;
    this.elementId = "folder" + folderCount++;
    var li = doc.createElement('li');
    li.id = this.elementId;
    li.classList.add("folder");
    var div = doc.createElement('div');
    div.classList.add('folderHeader');
    var check = doc.createElement('input');
    check.type = 'checkbox';
    check.checked = true;
    div.appendChild(check);
    var button = doc.createElement('input');
    button.type = 'button';
    button.value = 'run';
    button.onclick = function() {
      autoScroll = autoScrollEnabled;
      that.run();
    };
    if (reporter.noSelectedWebGLVersion) {
      button.disabled = true;
    }
    div.appendChild(button);
    var h = doc.createElement('span');
    h.classList.add('folderName');
    h.appendChild(doc.createTextNode(this.displayName));
    div.appendChild(h);
    var ul = doc.createElement('ul');
    li.appendChild(div);
    li.appendChild(ul);
    this.childUL = ul;
    this.elem = li;
    this.check = check;
    this.folderHeader = div;
  };

  Folder.prototype.checked = function() {
    return this.check.checked &&
        (this.folder ? this.folder.checked() : true);
  };

  Folder.prototype.firstTestIndex = function() {
    return this.items[0].firstTestIndex();
  };

  Folder.prototype.numChildren = function() {
    var numChildren = 0;
    for (var name in this.subFolders) {
      numChildren += this.subFolders[name].numChildren();
    }
    return numChildren + this.pages.length;
  };

  Folder.prototype.run = function() {
    var firstTestIndex = this.firstTestIndex();
    var count = this.numChildren();
    log("run tests: " + firstTestIndex + " to " + (firstTestIndex + count - 1))
    testHarness.runTests({start: firstTestIndex, count: count});
  };

  Folder.prototype.getSubFolder = function(name) {
    var subFolder = this.subFolders[name];
    if (subFolder === undefined) {
      subFolder = new Folder(this.reporter, this, this.depth + 1, name);
      this.subFolders[name] = subFolder;
      this.items.push(subFolder);
      this.childUL.appendChild(subFolder.elem);
    }
    return subFolder;
  };

  Folder.prototype.getOrCreateFolder = function(url) {
    var parts = url.split('/');
    var folder = this;
    for (var pp = 0; pp < parts.length - 1; ++pp) {
      folder = folder.getSubFolder(parts[pp]);
    }
    return folder;
  };

  Folder.prototype.addPage = function(page) {
    this.pages.push(page);
    this.items.push(page);
    this.childUL.appendChild(page.elem);
    this.folderHeader.classList.add('hasPages');
  };

  Folder.prototype.disableTest = function(re, opt_forceRecurse) {
    var recurse = true;
    if (this.name.match(re)) {
      this.check.checked = false;
      recurse = opt_forceRecurse;
    }
    if (recurse) {
      for (var name in this.subFolders) {
        this.subFolders[name].disableTest(re, opt_forceRecurse);
      }
      for (var ii = 0; ii < this.pages.length; ++ii) {
        this.pages[ii].disableTest(re);
      }
    }
  };

  Folder.prototype.enableUp_ = function() {
    this.check.checked = true;
    var parent = this.folder;
    if (parent) {
      parent.enableUp_();
    }
  }

  Folder.prototype.enableTest = function(re) {
    if (this.name.match(re)) {
      this.enableUp_();
    }
    for (var name in this.subFolders) {
      this.subFolders[name].enableTest(re);
    }
    for (var ii = 0; ii < this.pages.length; ++ii) {
      this.pages[ii].enableTest(re);
    }
  };

  var Reporter = function(iframes) {
    this.localDoc = document;
    this.resultElem = document.getElementById("results");
    this.fullResultsElem = document.getElementById("fullresults");
    var node = this.localDoc.createTextNode('');
    this.fullResultsElem.appendChild(node);
    this.fullResultsNode = node;
    this.iframes = iframes;
    this.currentPageElem = null;
    this.totalPages = 0;
    this.pagesByURL = {};

    // Check to see if WebGL is supported
    var canvas = document.createElement("canvas");
    var ctx = create3DContext(canvas, null, 1);

    // Check to see if WebGL2 is supported
    var canvas2 = document.createElement("canvas");
    var ctx2 = create3DContext(canvas2, null, 2);

    this.noSelectedWebGLVersion = false;
    this.selectedWebGLVersion = WebGLTestHarnessModule.getMajorVersion(OPTIONS.version);
    if (this.selectedWebGLVersion == 2 && !ctx2) {
        this.noSelectedWebGLVersion = true;
    } else if (this.selectedWebGLVersion == 1 && !ctx) {
        this.noSelectedWebGLVersion = true;
    }

    // If the WebGL2 context could be created use it to get context info
    if (ctx2) {
      ctx = ctx2;
    }

    this.noWebGL = !ctx;

    this.contextInfo = {};
    this.root = new Folder(this, null, 0, "all");
    this.resultElem.appendChild(this.root.elem);
    this.callbacks = { };

    if (ctx) {
      this.contextInfo["VENDOR"] = ctx.getParameter(ctx.VENDOR);
      this.contextInfo["VERSION"] = ctx.getParameter(ctx.VERSION);
      this.contextInfo["RENDERER"] = ctx.getParameter(ctx.RENDERER);
      this.contextInfo["RED_BITS"] = ctx.getParameter(ctx.RED_BITS);
      this.contextInfo["GREEN_BITS"] = ctx.getParameter(ctx.GREEN_BITS);
      this.contextInfo["BLUE_BITS"] = ctx.getParameter(ctx.BLUE_BITS);
      this.contextInfo["ALPHA_BITS"] = ctx.getParameter(ctx.ALPHA_BITS);
      this.contextInfo["DEPTH_BITS"] = ctx.getParameter(ctx.DEPTH_BITS);
      this.contextInfo["STENCIL_BITS"] = ctx.getParameter(ctx.STENCIL_BITS);

      var ext = ctx.getExtension("WEBGL_debug_renderer_info");
      if (ext) {
        this.contextInfo["UNMASKED_VENDOR"] = ctx.getParameter(ext.UNMASKED_VENDOR_WEBGL);
        this.contextInfo["UNMASKED_RENDERER"] = ctx.getParameter(ext.UNMASKED_RENDERER_WEBGL);
      }
    }
  };

  Reporter.prototype.enableTest = function(name) {
    this.root.enableTest(name);
  };

  Reporter.prototype.disableTest = function(name) {
    this.root.disableTest(name);
  };

  Reporter.prototype.disableAllTests = function() {
    this.root.disableTest(".*", true);
  };

  Reporter.prototype.addEventListener = function(type, func) {
    if (!this.callbacks[type]) {
      this.callbacks[type] = [];
    }
    this.callbacks[type].push(func);
  };

  Reporter.prototype.executeListenerEvents_ = function(type) {
    var callbacks = this.callbacks[type].slice(0);
    for (var ii = 0; ii < callbacks.length; ++ii) {
      setTimeout(callbacks[ii], 0);
    }
  };

  Reporter.prototype.runTest = function(url) {
    var page = this.pagesByURL[url];
    testHarness.runTests({start: page.firstTestIndex(), count: 1});
  };

  Reporter.prototype.getFolder = function(url) {
    return this.root.getOrCreateFolder(url);
  };

  Reporter.prototype.addPage = function(url) {
    var folder = this.getFolder(url);
    var page = new Page(this, folder, this.totalPages, url);
    folder.addPage(page);
    ++this.totalPages;
    this.pagesByURL[url] = page;
  };

  Reporter.prototype.startPage = function(url) {
    var page = this.pagesByURL[url];
    return page.startPage();
  };

  Reporter.prototype.addResult = function(url, msg, success, skipped) {
    var page = this.pagesByURL[url];
    page.addResult(msg, success, skipped);
  };

  Reporter.prototype.finishPage = function(url, success) {
    var page = this.pagesByURL[url];
    page.finishPage(success);
    if (OPTIONS.dumpShaders == 1) {
      var xhr = new XMLHttpRequest();
      xhr.open('POST', "/finishIndividualTest", true);
      xhr.send(null);
    }
  };

  Reporter.prototype.displayFinalResults = function(msg, success) {
    if (success) {
      var totalTests = 0;
      var totalSuccessful = 0;
      var totalTimeouts = 0;
      var totalSkipped = 0;
      for (var url in this.pagesByURL) {
        var page = this.pagesByURL[url];
        totalTests += page.totalTests;
        totalSuccessful += page.totalSuccessful;
        totalTimeouts += page.totalTimeouts;
        totalSkipped += page.totalSkipped;
      }
      var timeout = '';
      if (totalTimeouts > 0) {
        timeout = ', ' + totalTimeouts + ' timed out';
      }
      var msg = ' (' + totalSuccessful + ' of ' +
                totalTests + ' passed' + timeout + ')';
      this.fullResultsNode.textContent = msg;

      // generate a text summary
      var tx = "";
      tx += "WebGL Conformance Test Results\n";
      tx += "Version " + OPTIONS.version + "\n";
      tx += "\n";
      tx += "-------------------\n\n";
      tx += "User Agent: " + (navigator.userAgent ? navigator.userAgent : "(navigator.userAgent is null)") + "\n";
      tx += "WebGL VENDOR: " + this.contextInfo["VENDOR"] + "\n";
      tx += "WebGL VERSION: " + this.contextInfo["VERSION"] + "\n";
      tx += "WebGL RENDERER: " + this.contextInfo["RENDERER"] + "\n";
      tx += "Unmasked VENDOR: " + this.contextInfo["UNMASKED_VENDOR"] + "\n";
      tx += "Unmasked RENDERER: " + this.contextInfo["UNMASKED_RENDERER"] + "\n";
      tx += "WebGL R/G/B/A/Depth/Stencil bits (default config): " + this.contextInfo["RED_BITS"] + "/" + this.contextInfo["GREEN_BITS"] + "/" + this.contextInfo["BLUE_BITS"] + "/" + this.contextInfo["ALPHA_BITS"] + "/" + this.contextInfo["DEPTH_BITS"] + "/" + this.contextInfo["STENCIL_BITS"] + "\n";
      tx += "\n";
      tx += "-------------------\n\n";
      tx += "Test Summary (" + totalTests + " total tests):\n";
      tx += "Tests PASSED: " + totalSuccessful + "\n";
      tx += "Tests FAILED: " + (totalTests - totalSuccessful - totalSkipped) + "\n";
      tx += "Tests TIMED OUT: " + totalTimeouts + "\n";
      tx += "Tests SKIPPED: " + totalSkipped + "\n";
      tx += "\n";
      tx += "-------------------\n\n";
      if (totalSuccessful < totalTests) {
        tx += "Failures:\n\n";
        for (var url in this.pagesByURL) {
            var page = this.pagesByURL[url];
            var pageTotalFail = page.totalTests - page.totalSuccessful - page.totalSkipped;
            if (!(page.totalTests == 0 && page.totalTimeouts == 0) &&
                pageTotalFail > 0)
            {
            tx += url + ": " + pageTotalFail + " tests failed";
            if (page.totalTimeouts)
                tx += " (" + page.totalTimeouts + " timed out)";
            tx += "\n";
            }
        }
      } else {
        tx += "All tests PASSED\n\n";
      }
      tx += "\n";
      tx += "-------------------\n\n";
      tx += "Complete Test Results (total / pass / fail / timeout / skipped):\n\n";
      for (var url in this.pagesByURL) {
        var page = this.pagesByURL[url];
        var pageTotalFail = page.totalTests - page.totalSuccessful - page.totalSkipped;
        if (!(page.totalTests == 0 && page.totalTimeouts == 0)) {
          tx += url + ": " + page.totalTests + " / " +
              page.totalSuccessful + " / " + pageTotalFail + " / " + page.totalTimeouts + " / " + page.totalSkipped + "\n";
        }
      }
      tx += "\n";
      tx += "-------------------\n\n";
      tx += "Generated on: " + (new Date()).toString() + "\n";

      var r = document.getElementById("testResultsAsText");
      while (r.firstChild) r.removeChild(r.firstChild);
      r.appendChild(document.createTextNode(tx));
      document.getElementById("showTextSummary").style.visibility = "visible";

      this.postResultsToServer(tx);
    } else {
      var e = document.getElementById("error");
      e.innerHTML = msg;
      this.postResultsToServer(msg);
    }
  };

  Reporter.prototype.postTestStartToServer = function(resultText) {
    if(OPTIONS.postResults == undefined || OPTIONS.postResults == 0) {
      return;
    }

    var xhr = new XMLHttpRequest();
    xhr.open('POST', "/start", true);
    xhr.send(null);
  };

  Reporter.prototype.postResultsToServer = function(resultText) {
    if(OPTIONS.postResults == undefined || OPTIONS.postResults == 0) {
      return;
    }

    var xhr = new XMLHttpRequest();
    xhr.open('POST', "/finish", true);
    xhr.setRequestHeader("Content-Type", "text/plain");
    xhr.send(resultText);
  };

  Reporter.prototype.ready = function() {
    var loading = document.getElementById("loading");
    loading.style.display = "none";
    if (!this.noSelectedWebGLVersion) {
      var button = document.getElementById("runTestsButton");
      button.disabled = false;
      this.executeListenerEvents_("ready");
    }
  };

  Reporter.prototype.reportFunc = function(type, url, msg, success, skipped) {
    switch (type) {
      case reportType.ADD_PAGE:
        return this.addPage(msg);
      case reportType.READY:
        return this.ready();
      case reportType.START_PAGE:
        return this.startPage(url);
      case reportType.TEST_RESULT:
        return this.addResult(url, msg, success, skipped);
      case reportType.FINISH_PAGE:
        return this.finishPage(url, success);
      case reportType.FINISHED_ALL_TESTS:
        return this.displayFinalResults(msg, success);
      default:
        throw 'unhandled';
        break;
    };
  };

  var getURLOptions = function(obj) {
    var s = window.location.href;
    var q = s.indexOf("?");
    var e = s.indexOf("#");
    if (e < 0) {
      e = s.length;
    }
    var query = s.substring(q + 1, e);
    var pairs = query.split("&");
    for (var ii = 0; ii < pairs.length; ++ii) {
      var keyValue = pairs[ii].split("=");
      var key = keyValue[0];
      var value = decodeURIComponent(keyValue[1]);
      obj[key] = value;
    }
  };

  getURLOptions(OPTIONS);

  var makeVersionSelect = function(currentVersion) {
    var versionSelect = document.getElementById("testVersion");
    var foundCurrentVersion = false;
    var numericCurrentVersion = currentVersion.replace(/[^\d.]/g, '');

    for (var i in testVersions) {
      var version = testVersions[i];
      var numericVersion = version.replace(/[^\d.]/g, '');
      var option = document.createElement("option");
      option.setAttribute('value', numericVersion);
      option.innerHTML = version;

      if (numericVersion == numericCurrentVersion) {
        foundCurrentVersion = true;
        option.selected = true;
      }

      versionSelect.appendChild(option);
    }

    // If the version requested by the query string isn't in the list add it.
    if (!foundCurrentVersion) {
      var option = document.createElement("option");
      option.setAttribute('value', numericCurrentVersion);
      option.innerHTML = currentVersion + " (unknown)";
      option.selected = true;

      versionSelect.appendChild(option);
    }

    versionSelect.addEventListener('change', function(ev) {
      window.location.href = "?version=" + versionSelect.value;
    }, false);
  }

  makeVersionSelect(OPTIONS.version);

  // Make iframes
  var makeIFrames = function() {
    var toparea = document.getElementById("toparea");
    var frame = document.getElementById("frames");
    var areaWidth = Math.max(100, toparea.clientWidth - 300);
    var areaHeight = Math.max(100, frame.clientHeight);

    var numCells = OPTIONS.frames;

    var gridWidth = Math.max(1, Math.ceil(Math.sqrt(numCells)));
    var gridHeight = gridWidth;
    var bestAspect = 99999;
    var bestNumEmptyCells = 99999;
    var bestNumEmptyCellsColumns = 0;
    var bestNumEmptyCellsAspect = 99999;
    var minGoodAspect = 1 / 3;
    var maxGoodAspect = 3 / 1;

    for (var columns = 1; columns <= numCells; ++columns) {
        var rows = Math.ceil(numCells / columns);
        var cellWidth = areaWidth / columns;
        var cellHeight = areaHeight / rows;
        var cellAspect = cellWidth / cellHeight;
        if (cellAspect >= minGoodAspect && cellAspect <= maxGoodAspect) {
            var numEmptyCells = columns * rows - numCells;
            // Keep the one with the least number of empty cells.
            if (numEmptyCells < bestNumEmptyCells) {
                bestNumEmptyCells = numEmptyCells;
                bestNumEmptyCellsColumns = columns;
                bestNumEmptyCellsAspect = cellAspect;
            // If it's the same number of empty cells keep the one
            // with the best aspect.
            } else if (numEmptyCells == bestNumEmptyCells &&
                  Math.abs(cellAspect - 1) <
                  Math.abs(bestNumEmptyCellsAspect - 1)) {
                bestNumEmptyCellsColumns = columns;
                bestNumEmptyCellsAspect = cellAspect;
            }
        }
        if (Math.abs(cellAspect - 1) < Math.abs(bestAspect - 1)) {
            gridWidth = columns;
            gridHeight = rows;
            bestAspect = cellAspect;
        }
    }

    // if we found an aspect with few empty cells use that.
    var numEmptyCells = gridWidth * gridHeight - numCells;
    if (bestNumEmptyCellsColumns && bestNumEmptyCells < numEmptyCells) {
        gridWidth = bestNumEmptyCellsColumns;
        gridHeight = Math.ceil(numCells / gridWidth);
    }

    var table = document.createElement("table");
    table.style.height = areaHeight + "px";
    var tbody = document.createElement("tbody");
    var iframes = [];
    for (var row = 0; row < gridHeight; ++row) {
      var tr = document.createElement("tr");
      for (var column = 0; column < gridWidth; ++column) {
        var td = document.createElement("td");
        if (numCells > 0) {
          --numCells;
          var iframe = document.createElement("iframe");
          iframe.setAttribute("scrolling", "yes");
          iframe.style.width = "100%";
          iframe.style.height = "100%";
          iframes.push(iframe);
          td.appendChild(iframe);
        }
        tr.appendChild(td);
      }
      tbody.appendChild(tr);
    }
    table.appendChild(tbody);
    frame.appendChild(table);
    return iframes;
  };
  var iframes = makeIFrames();

  var reporter = new Reporter(iframes);
  var testHarness = new WebGLTestHarnessModule.TestHarness(
      iframes,
      '00_test_list.txt',
      function(type, url, msg, success, skipped) {
        return reporter.reportFunc(type, url, msg, success, skipped);
      },
      OPTIONS);
  reporter.addEventListener("ready", function() {
    // Set which tests to include.
    if (OPTIONS.include) {
      reporter.disableAllTests();
      var includes = OPTIONS.include.split(",")
      for (var ii = 0; ii < includes.length; ++ii) {
        reporter.enableTest(new RegExp(includes[ii]));
      }
    }
    // Remove tests based on skip=re1,re2 in URL.
    if (OPTIONS.skip) {
      var skips = OPTIONS.skip.split(",")
      for (var ii = 0; ii < skips.length; ++ii) {
        reporter.disableTest(new RegExp(skips[ii]));
      }
    }
    // Auto run the tests if the run=1 in URL
    if (OPTIONS.run != undefined && OPTIONS.run != 0) {
      reporter.postTestStartToServer();
      testHarness.runTests();
    }
  });
  window.webglTestHarness = testHarness;
  var button = document.getElementById("runTestsButton");
  button.disabled = true;
  button.onclick = function() {
    autoScroll = autoScrollEnabled;
    reporter.postTestStartToServer();
    testHarness.runTests();
  };
  var autoScrollCheckbox = document.getElementById("autoScrollCheckbox");
  autoScrollCheckbox.checked = autoScrollEnabled;
  autoScrollCheckbox.onclick = function() {
    autoScrollEnabled = autoScrollCheckbox.checked;
    autoScroll = autoScrollEnabled;
  };
  var textbutton = document.getElementById("showTextSummary");
  textbutton.onclick = function() {
    log("click");
    var htmldiv = document.getElementById("testResultsHTML");
    var textdiv = document.getElementById("testResultsText");
    if (textdiv.style.display == "none") {
      textdiv.style.display = "block";
      htmldiv.style.display = "none";
      textbutton.setAttribute("value", "display html summary");
    } else {
      textdiv.style.display = "none";
      htmldiv.style.display = "block";
      textbutton.setAttribute("value", "display text summary");
    }
  };
  if (reporter.noSelectedWebGLVersion) {
    button.disabled = true;
  }
  if (reporter.noWebGL) {
    var elem = document.getElementById("nowebgl");
    elem.style.display = "";
    reporter.postResultsToServer("Browser does not appear to support WebGL");
  } else if (reporter.noSelectedWebGLVersion) {
    var elem = document.getElementById("noselectedwebgl");
    elem.style.display = "";
    reporter.postResultsToServer("Browser does not appear to support the selected version of WebGL");
  }
}
</script>
</head>
<body onload="start()">

<div id="testlist">

        <div id="testResultsHTML">
          <ul id="results">
          </ul>
        </div>
        <div style="display: none;" id="testResultsText">
          <pre id="testResultsAsText"></pre>
        </div>

</div> <!-- end of container -->

<div id="header">

<table>
  <tr style="height: 300px;">
    <td>
      <table id="toparea">
        <tr>
          <td style="width: 300px">
            <div id="info">
              <img src="resources/webgl-logo.png" /><br />
              WebGL Conformance Test Runner<br/>
              Version 
              <select id="testVersion">
              </select>
              <br/>
              <a href="../"><i>(click here for previous versions)</i></a>
              <br/>
              <input type="button" value="run tests" id="runTestsButton"/>
              <br/>
              <input type="checkbox" id="autoScrollCheckbox"/>
              <label for="autoScrollCheckbox">auto scroll</label>
              <br/>
              <input type="button" style="visibility: hidden;" value="display text summary" id="showTextSummary"/>
              <div id="nowebgl" class="nowebgl" style="display: none;">
                This browser does not appear to support WebGL
              </div>
              <div id="noselectedwebgl" class="nowebgl" style="display: none;">
                This browser does not appear to support the selected version of WebGL
              </div>
            </div>
          </td>
        </tr>
        <tr>
          <td>
            <div id="loading">
              Loading Tests...
            </div>
            <div>
              Results:
              <span id="fullresults">
              </span>
            </div>
          </td>
        </tr>
        <tr>
          <td>
            <div id="error-wrap">
              <pre id="error"></pre>
            </div>
          </td>
        </tr>
      </table>
    </td>
    <td id="frames"></td>
  </tr>
</table>
</div> <!-- end of header -->

</body>
</html>