Simpler Example

gistfile1.java

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.media.opengl.GL;
import javax.media.opengl.GL2;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLProfile;
import javax.media.opengl.awt.GLCanvas;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

import com.jogamp.opengl.util.FPSAnimator;

@SuppressWarnings("serial")
public class Main extends JFrame implements GLEventListener {
  
  GLCanvas canvas = new GLCanvas(new GLCapabilities(GLProfile.getDefault()));
  FPSAnimator animator = new FPSAnimator(canvas, 20);

  public Main() {
    this.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        dispose();
        System.exit(0);
      }
    });

    canvas.addGLEventListener(this);
    
    this.add(canvas);
    this.setSize(1280 , 720);
    this.setVisible(true);
    animator.start();
  }

  @Override
  public void display(final GLAutoDrawable drawable) {
    GL2 gl = drawable.getGL().getGL2();
    gl.glClear(GL.GL_COLOR_BUFFER_BIT);
    gl.glClear(GL.GL_DEPTH_BUFFER_BIT);
    gl.glLoadIdentity();
  }

  @Override
  public void dispose(GLAutoDrawable drawable) {
    
  }

  @Override
  public void init(GLAutoDrawable drawable) {
  }

  @Override
  public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
  }
  
  public static void main(String ... args) {
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        new Main();
      }
    });
  }
}