gecko/content/canvas/test/webgl/extra/webgl-info.html
2011-08-19 11:39:00 -04:00

81 lines
2.0 KiB
HTML

<!--
Copyright (c) 2009 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta charset="utf-8">
<title>WebGL Information</title>
<script src="../../demos/common/webgl-utils.js"> </script>
<script>
window.onload = main;
function createCell(txt) {
var str = txt.toString();
if (typeof txt != 'string') {
if (txt.length !== undefined) {
str = "";
for (var ii = 0; ii < txt.length; ++ii) {
str += (ii == 0 ? "" : ", ") + txt[ii];
}
}
}
var t = document.createTextNode(str);
var d = document.createElement("div");
var td = document.createElement("td");
d.appendChild(t);
td.appendChild(d);
return td;
}
function main() {
var canvas = document.getElementById("example");
var gl = WebGLUtils.setupWebGL(canvas);
if (!gl) {
return;
}
var pnames = [
'VERSION',
'VENDOR',
'RENDERER',
'MAX_COMBINED_TEXTURE_IMAGE_UNITS',
'MAX_CUBE_MAP_TEXTURE_SIZE',
'MAX_FRAGMENT_UNIFORM_VECTORS',
'MAX_RENDERBUFFER_SIZE',
'MAX_TEXTURE_IMAGE_UNITS',
'MAX_TEXTURE_SIZE',
'MAX_VARYING_VECTORS',
'MAX_VERTEX_ATTRIBS',
'MAX_VERTEX_TEXTURE_IMAGE_UNITS',
'MAX_VERTEX_UNIFORM_VECTORS',
'MAX_VIEWPORT_DIMS'
];
var table = document.createElement("table");
var tb = document.createElement("tbody");
for (var ii = 0; ii < pnames.length; ++ii) {
var pname = pnames[ii];
var value = gl.getParameter(gl[pname]);
var tr = document.createElement("tr");
var td1 = createCell(pname);
var td2 = createCell(value);
tr.appendChild(td1);
tr.appendChild(td2);
tb.appendChild(tr);
}
table.appendChild(tb);
document.getElementById("info").appendChild(table);
}
</script>
</head>
<body>
<h1>WebGL Info</h1>
<div id="info"></div>
<canvas id="example" width="256" height="16" style="width: 256px; height: 48px;"></canvas>
</body>
</html>