//enable retina before you create the window, in main.m ///////////////////
	
	int main(){

		ofAppiPhoneWindow * iOSWindow = new ofAppiPhoneWindow();
		iOSWindow->enableRetinaSupport(); //enable retina!
		ofSetupOpenGL(iOSWindow, 480, 320, OF_FULLSCREEN);
		ofRunApp(new testApp);
	}

	//include these two files in testApp.h ////////////////////////////////////
	
	#include "ofxEasyRetina.h"
	#include "ofxiOSEAGLView+retinaPatch.h"

	class testApp : public ofxiPhoneApp{
		public:
    		void setup();
			void update();
	        void draw();
	
			ofxEasyRetina retina; //declare an ofxEasyRetina instance
	};
	
	//Setup the screen before drawing in testApp.mm ///////////////////////////
	
	void testApp::draw(){
		retina.setupScreenOrtho(); //make ofxEasyRetina setup your screen
		
		//done! draw your stuff!!
	}