Recursive screenshot display resulting in a feedback loop

MainApp.java

   import java.awt.*;
    PImage orig;

    public void settings() {
        int scl = 85; //percent of the screen size (comment this and uncomment fullscreen for 100)
        size(round((1920/100)*scl), round((1080/100)*scl));
//        fullScreen();
        orig = screenshot();
    }

    public void draw() {
        orig = screenshot();
        image(orig, 0,0,width, height);
    }

    public void setup() {

    }

    private PImage screenshot() {
        PImage screenshot = null;
        try {
            screenshot = new PImage(new Robot().createScreenCapture(
                    new Rectangle(0, 0, displayWidth, displayHeight)));
        } catch (AWTException e) {
            e.printStackTrace();
        }
        return screenshot;
}