Thu, 06 Apr 2017 19:00:07 +0200
ht is not PVC....
/** * @author alteredq / http://alteredqualia.com/ * @author mr.doob / http://mrdoob.com/ */ var Detector = { canvas: !! window.CanvasRenderingContext2D, webgl: ( function () { try { var canvas = document.createElement( 'canvas' ); return !! ( window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ) ); } catch ( e ) { return false; } } )(), workers: !! window.Worker, fileapi: window.File && window.FileReader && window.FileList && window.Blob, getWebGLErrorMessage: function () { var element = document.createElement( 'div' ); element.id = 'webgl-error-message'; element.style.fontFamily = 'monospace'; element.style.fontSize = '13px'; element.style.fontWeight = 'normal'; element.style.textAlign = 'center'; element.style.background = '#fff'; element.style.color = '#000'; element.style.padding = '1.5em'; element.style.width = '400px'; element.style.margin = '5em auto 0'; if ( ! this.webgl ) { element.innerHTML = window.WebGLRenderingContext ? [ 'Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br />', 'Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.' ].join( '\n' ) : [ 'Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br/>', 'Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.' ].join( '\n' ); } return element; }, addGetWebGLMessage: function ( parameters ) { var parent, id, element; parameters = parameters || {}; parent = parameters.parent !== undefined ? parameters.parent : document.body; id = parameters.id !== undefined ? parameters.id : 'oldie'; element = Detector.getWebGLErrorMessage(); element.id = id; parent.appendChild( element ); } }; // browserify support if ( typeof module === 'object' ) { module.exports = Detector; }