Alpha version

src/pixi/utils/Detector.js

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+/**
+ * @author Mat Groves http://matgroves.com/
+ */
+var PIXI = PIXI || {};
+
+/**
+ * This helper function will automatically detect which renderer you should be using.
+ * WebGL is the preferred renderer as it is a lot fastest. If webGL is not supported by the browser then this function will return a canvas renderer
+ * @param the width of the renderers view
+ * @param the height of the renderers view
+ * @return A new Renderer
+ */
+PIXI.autoDetectRenderer = function(width, height)
+{
+	if(!width)width = 800;
+	if(!height)height = 600;
+	
+	// BORROWED from Mr Doob (mrdoob.com)
+	var webgl = ( function () { try { return !! window.WebGLRenderingContext && !! document.createElement( 'canvas' ).getContext( 'experimental-webgl' ); } catch( e ) { return false; } } )()
+	
+	//console.log(webgl);
+	if( webgl )
+	{
+		return new PIXI.WebGLRenderer(width, height) 
+	}
+	
+	return	new PIXI.CanvasRenderer(width, height);
+}
+
+