73 lines
1.6 KiB
HTML
73 lines
1.6 KiB
HTML
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<HTML>
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<HEAD><TITLE> Banner</TITLE>
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</HEAD>
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<body >
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<script LANGUAGE= "javascript">
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/*
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// this code doesn't seem to be correct
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if (window.WebGLRenderingContext) {
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alert('Your browser does not support WebGL');
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}
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*/
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var canvas = document.createElement('canvas');
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var gl;
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var debugInfo;
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var vendor;
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var renderer;
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document.write("<br>Trying to create a webgl object<br>");
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try {
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gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
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} catch (e) {
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}
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if (gl) {
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debugInfo = gl.getExtension('WEBGL_debug_renderer_info');
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vendor = gl.getParameter(debugInfo.UNMASKED_VENDOR_WEBGL);
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renderer = gl.getParameter(debugInfo.UNMASKED_RENDERER_WEBGL);
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document.write(debugInfo + "<br><br>");
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document.write(vendor + "<br><br>");
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document.write(renderer + "<br><br>");
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} else {
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document.write("<br>Failed gl=NULL<br>");
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}
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// Sample output:
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//
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// » console.log(renderer);
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// ATI Technologies Inc. AMD Radeon R9 M370X OpenGL Engine
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</script>
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<h2>All objects in canvas.getContext('webgl')</h2>
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<table>
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<script language="JavaScript" type="text/javascript">
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for (var n in gl) {
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document.write("<tr>");
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document.write("<th align='left'>webgl." + n + "<\/th>");
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document.write("<th align='left'>" + gl[n] + "<\/th>");
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document.write("<\/tr>");
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}
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</script>
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</table>
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<h2>All objects in gl.getExtension('WEBGL_debug_renderer_info')</h2>
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<table>
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<script language="JavaScript" type="text/javascript">
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for (var n in debugInfo) {
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document.write("<tr>");
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document.write("<th align='left'>debugInfo." + n + "<\/th>");
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document.write("<th align='left'>" + gl[n] + "<\/th>");
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document.write("<\/tr>");
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}
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</script>
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</table>
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</body></HTML>
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