<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>GPU Feature Testing: WebGL Multisampling</title>
<script>
function init() {
  var canvas = document.createElement("canvas");
  if (!canvas)
    return null;
  var context = null;
  var attrib = { antialias: true };  // It is the default setting.
  try {
    context = canvas.getContext("webgl", attrib);
  } catch(e) {}
  if (!context) {
    try {
      context = canvas.getContext("experimental-webgl", attrib);
    } catch(e) {}
  }
  return context;
}

function runTest() {
  var gl = init();
  var attrib = null;
  if (gl)
    attrib = gl.getContextAttributes();
  if (gl && attrib && attrib.antialias)
    domAutomationController.send("TRUE");
  else
    domAutomationController.send("FALSE");
}
</script>
</head>
<body onload="runTest()">
WebGL should use multisampling if it is allowed.
</body>
</html>