width = (int) bounds.width();
height = (int) bounds.height();
app.debug(tag, bounds.width() + "x" + bounds.height() + ", " + UIScreen.getMainScreen().getScale());
this.gl20 = gl20;
context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
view = new GLKView(new CGRect(new CGPoint(0, 0), bounds), context) {
@Override
public void touchesBegan(NSSet touches, UIEvent event) {
super.touchesBegan(touches, event);