forked from ppfun/pixelplanet
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
/**
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* @author alteredq / http://alteredqualia.com/
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* @author mr.doob / http://mrdoob.com/
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*/
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var Detector = {
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canvas: !! window.CanvasRenderingContext2D,
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webgl: ( function () { try { var canvas = document.createElement( 'canvas' ); return !! window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ); } catch( e ) { return false; } } )(),
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workers: !! window.Worker,
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fileapi: window.File && window.FileReader && window.FileList && window.Blob,
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getWebGLErrorMessage: function () {
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var element = document.createElement( 'div' );
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element.className = 'webgl-error';
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if ( !this.webgl ) {
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element.innerHTML = window.WebGLRenderingContext ? [
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'Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>.<br />',
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'Find out how to get it <a href="http://get.webgl.org/">here</a>.'
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].join( '\n' ) : [
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'Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>.<br/>',
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'Find out how to get it <a href="http://get.webgl.org/">here</a>.'
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].join( '\n' );
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}
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return element;
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},
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addGetWebGLMessage: function (parent ) {
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parent.appendChild( Detector.getWebGLErrorMessage() );
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}
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}; |