LayoutTests/compositing/geometry/preserve-3d-switching.html - WebKit - Git at Google

 <!DOCTYPE>
 <html>
 <head>
   <title>Switching layer in and out of preserve-3d</title>

   <style type="text/css" media="screen">
     body {
       font-family: 'Lucida Grande', Verdana, Arial;
       font-size: 12px;
     }
     #container {
       position: relative;
       height: 300px;
       width: 300px;
       margin: 50px 100px;
       border: 2px solid blue;
       -webkit-perspective: 500;
     }

     #parent {
       margin: 10px;
       width: 280px;
       height: 280px;
       background-color: yellow;
       opacity: 0.8;
       -webkit-transform-style: preserve-3d;
       -webkit-transform: rotateX(-60deg) rotateY(40deg);
     }

     #parent > div {
       position: absolute;
       top: 40px;
       left: 40px;
       width: 200px;
       height: 200px;
       padding: 10px;
       -webkit-box-sizing: border-box;
       font-family: monospace;
       font-size: 12pt;
     }

     #parent > :first-child {
       background-color: green;
       opacity:0.7;
       -webkit-transform: translateZ(50px) rotateY(-40deg);
     }
   </style>
   <script type="text/javascript" charset="utf-8">
     if (window.testRunner) {
       testRunner.dumpAsText();
       testRunner.waitUntilDone();
     }

     timeout = 100;

     function startProgram()
     {
         setTimeout(function() {
             document.getElementById("parent").style.webkitTransformStyle = "flat";
             setTimeout(function() {
                 document.getElementById("parent").style.webkitTransformStyle = "preserve-3d";
                 if (window.testRunner) {
                     if (testRunner.layerTreeAsText) {
                         var layerTree = window.internals.layerTreeAsText(document);
                         document.getElementById("layerTree").innerHTML = "<pre>" + layerTree + "</pre>";
                     }
                     testRunner.notifyDone();
                 }
             }, timeout);
         }, timeout);
     }
     window.addEventListener('load', startProgram, false)
     </script>
 </head>
 <body>

   <p>The green box appear angled out from the yellow box and embedded in it.</p>
   <div id="container">
     <div id="parent">
       <div>-webkit-transform: translateZ(-100px) rotateY(45deg);</div>
     </div>
     <div id="layerTree"></div>
   </div>

 </body>
 </html>
	<!DOCTYPE>
	<html>
	<head>
	<title>Switching layer in and out of preserve-3d</title>

	<style type="text/css" media="screen">
	body {
	font-family: 'Lucida Grande', Verdana, Arial;
	font-size: 12px;
	}
	#container {
	position: relative;
	height: 300px;
	width: 300px;
	margin: 50px 100px;
	border: 2px solid blue;
	-webkit-perspective: 500;
	}

	#parent {
	margin: 10px;
	width: 280px;
	height: 280px;
	background-color: yellow;
	opacity: 0.8;
	-webkit-transform-style: preserve-3d;
	-webkit-transform: rotateX(-60deg) rotateY(40deg);
	}

	#parent > div {
	position: absolute;
	top: 40px;
	left: 40px;
	width: 200px;
	height: 200px;
	padding: 10px;
	-webkit-box-sizing: border-box;
	font-family: monospace;
	font-size: 12pt;
	}

	#parent > :first-child {
	background-color: green;
	opacity:0.7;
	-webkit-transform: translateZ(50px) rotateY(-40deg);
	}
	</style>
	<script type="text/javascript" charset="utf-8">
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}

	timeout = 100;

	function startProgram()
	{
	setTimeout(function() {
	document.getElementById("parent").style.webkitTransformStyle = "flat";
	setTimeout(function() {
	document.getElementById("parent").style.webkitTransformStyle = "preserve-3d";
	if (window.testRunner) {
	if (testRunner.layerTreeAsText) {
	var layerTree = window.internals.layerTreeAsText(document);
	document.getElementById("layerTree").innerHTML = "<pre>" + layerTree + "</pre>";
	}
	testRunner.notifyDone();
	}
	}, timeout);
	}, timeout);
	}
	window.addEventListener('load', startProgram, false)
	</script>
	</head>
	<body>

	<p>The green box appear angled out from the yellow box and embedded in it.</p>
	<div id="container">
	<div id="parent">
	<div>-webkit-transform: translateZ(-100px) rotateY(45deg);</div>
	</div>
	<div id="layerTree"></div>
	</div>

	</body>
	</html>