main.cpp

#include "ofMain.h"
#include "ofAppiOSWindow.h"

class ofApp : public ofBaseApp{
    
public:
    
    ofFbo fbo;
    
    void setup(){
        
        ofSetSphereResolution(3);
        
        ofFbo::Settings settings;
        settings.numSamples = 0;
        settings.numColorbuffers = 3;
        settings.internalformat = GL_RGBA;
        settings.textureTarget = GL_TEXTURE_2D;
        settings.width = 256;
        settings.height = 256;
        
        fbo.allocate(settings);
    }
    
    //--------------------------------------------------------------
    void drawScene() {
        glEnable(GL_MULTISAMPLE);
        ofNoFill();
        ofPushMatrix();
        ofTranslate(128,128,0);
        ofRotate(360 * (ofGetFrameNum() % 720) / 720.);
        ofDrawSphere(100);
        ofPopMatrix();
        ofFill();
        glDisable(GL_MULTISAMPLE);
    }
    
    void draw(){
        
        fbo.begin();
        
        ofClear(ofColor::black);
        ofSetColor(ofColor::white);
        drawScene();
        
        fbo.end();
        
        ofSetColor(ofColor::white);
        fbo.getTexture(0).draw(20, 20);
    }
    
};


int main() {
    
    //  here are the most commonly used iOS window settings.
    //------------------------------------------------------
    ofiOSWindowSettings settings;
    settings.enableRetina = true; // enables retina resolution if the device supports it.
    settings.enableDepth = true; // enables depth buffer for 3d drawing.
    settings.enableAntiAliasing = true; // enables anti-aliasing which smooths out graphics on the screen.
    settings.numOfAntiAliasingSamples = 4; // number of samples used for anti-aliasing.
    settings.enableHardwareOrientation = false; // enables native view orientation.
    settings.enableHardwareOrientationAnimation = false; // enables native orientation changes to be animated.
    settings.glesVersion = OFXIOS_RENDERER_ES1; // type of renderer to use, ES1, ES2, etc.
    
    ofCreateWindow(settings);
    
	ofRunApp(new ofApp);
}