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Improved Detector.js

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Mr.doob
2011-04-13 16:56:07 +01:00
parent fd6da8ebcd
commit b05ec5d52d
1 changed files with 40 additions and 36 deletions
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examples/js/Detector.js
+40 -36
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@@ -1,62 +1,66 @@
/**
* @author alteredq / http://alteredqualia.com/
* @author mr.doob / http://mrdoob.com/
*/
Detector = {
// supported features
canvas : !!window.CanvasRenderingContext2D,
webgl : !!window.WebGLRenderingContext,
workers : !!window.Worker,
canvas : !! window.CanvasRenderingContext2D,
webgl : !! window.WebGLRenderingContext,
webglGfxCard : ( function () { try { return !! window.WebGLRenderingContext && !! document.createElement( 'canvas' ).getContext( 'experimental-webgl' ); } catch( e ) { return false; } } )(),
workers : !! window.Worker,
fileapi : window.File && window.FileReader && window.FileList && window.Blob,
// helper methods
getWebGLErrorMessage : function () {
addGetWebGLMessage: function( parameters ) {
var html;
var parent = document.body,
id = "oldie" ;
if ( ! this.webgl ) {
if ( parameters ) {
html = [
'Sorry, your browser doesn\'t support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a><br/>',
'Please try with',
'<a href="http://www.google.com/chrome">Chrome 10</a>, ',
'<a href="http://www.mozilla.com/en-US/firefox/all-beta.html">Firefox 4</a> or',
'<a href="http://nightly.webkit.org/">Safari 6</a>'
].join( '\n' );
if ( parameters.parent !== undefined ) parent = parameters.parent;
if ( parameters.id !== undefined ) id = parameters.id;
} else if ( ! this.webglGfxCard ) {
html = [
'Sorry, your browser supports <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a><br/> but you may need to upgrade your graphics card.'
].join( '\n' );
}
var html = [
var msg = document.createElement( 'div' );
msg.style.fontFamily = 'monospace';
msg.style.fontSize = '13px';
msg.style.textAlign = 'center';
msg.style.background = '#eee';
msg.style.color = '#000';
msg.style.padding = '1em';
msg.style.width = '475px';
msg.style.margin = '5em auto 0';
msg.innerHTML = html;
'Sorry, your browser doesn\'t support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation">WebGL</a><br/>',
'<br/>',
'Please try with',
'<a href="http://www.google.com/chrome">Chrome 9+</a> /',
'<a href="http://www.mozilla.com/en-US/firefox/all-beta.html">Firefox 4+</a> /',
'<a href="http://nightly.webkit.org/">Safari 10.6+</a>'
return msg;
].join("\n");
},
var wrap = document.createElement( "center" ),
message = document.createElement( "div" );
addGetWebGLMessage : function ( parameters ) {
message.innerHTML = html;
message.id = id;
var parent, id, domElement;
var style = message.style;
parameters = parameters || {};
style.fontFamily = "monospace";
style.fontSize = "13px";
style.textAlign = "center";
style.background = "#eee";
style.color = "#000";
style.padding = "1em";
style.width = "475px";
style.margin = "5em auto 0";
parent = parameters.parent !== undefined ? parameters.parent : document.body;
id = parameters.id !== undefined ? parameters.id : 'oldie';
wrap.appendChild( message )
parent.appendChild( wrap );
domElement = Detector.getWebGLErrorMessage();
domElement.id = id;
return message;
parent.appendChild( domElement );
}