WebGL绘制窗口
<html>
<head><title>OpenGL Test</title>
</head>
<body>
<canvas id="myCanvas"></canvas>
<p>test</p>
<script type="text/javascript">
onload = function(){
var c = document.getElementById("myCanvas");
c.width = 500;
c.height = 300;
var gl = c.getContext("webgl") || c.getContext(‘experimental-webgl‘);
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
}
</script>
</body>
</html>
原文：http://www.cnblogs.com/decode1234/p/7735810.html