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60 lines
1.8 KiB
60 lines
1.8 KiB
/**
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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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Detector = {
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canvas : !! window.CanvasRenderingContext2D,
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webgl : ( function () { try { return !! window.WebGLRenderingContext && !! document.createElement( '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 domElement = document.createElement( 'div' );
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domElement.style.fontFamily = 'monospace';
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domElement.style.fontSize = '13px';
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domElement.style.textAlign = 'center';
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domElement.style.background = '#eee';
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domElement.style.color = '#000';
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domElement.style.padding = '1em';
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domElement.style.width = '475px';
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domElement.style.margin = '5em auto 0';
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if ( ! this.webgl ) {
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domElement.innerHTML = window.WebGLRenderingContext ? [
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'Sorry, your graphics card doesn\'t support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a>'
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].join( '\n' ) : [
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'Sorry, your browser doesn\'t support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a><br/>',
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'Please try with',
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'<a href="http://www.google.com/chrome">Chrome 10</a>, ',
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'<a href="http://www.mozilla.com/en-US/firefox/all-beta.html">Firefox 4</a> or',
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'<a href="http://nightly.webkit.org/">Safari 6</a>'
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].join( '\n' );
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}
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return domElement;
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},
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addGetWebGLMessage : function ( parameters ) {
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var parent, id, domElement;
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parameters = parameters || {};
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parent = parameters.parent !== undefined ? parameters.parent : document.body;
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id = parameters.id !== undefined ? parameters.id : 'oldie';
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domElement = Detector.getWebGLErrorMessage();
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domElement.id = id;
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parent.appendChild( domElement );
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}
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};
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