Added CubeFBO demo

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@243 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4

8 files changed, 1322 insertions, 0 deletions

diff --git a/src/demos/cubefbo/CubeObject.java b/src/demos/cubefbo/CubeObject.java
new file mode 100755
index 0000000..09a9be5
--- /dev/null
+++ b/src/demos/cubefbo/CubeObject.java
@@ -0,0 +1,271 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.cubefbo;
+
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+import java.nio.*;
+
+class CubeObject {
+    public CubeObject (boolean useTexCoords) {
+        // Initialize data Buffers
+        this.cubeVertices = BufferUtil.newShortBuffer(s_cubeVertices.length);
+        cubeVertices.put(s_cubeVertices);
+        cubeVertices.rewind();
+
+        this.cubeColors = BufferUtil.newByteBuffer(s_cubeColors.length);
+        cubeColors.put(s_cubeColors);
+        cubeColors.rewind();
+
+        this.cubeNormals = BufferUtil.newByteBuffer(s_cubeNormals.length);
+        cubeNormals.put(s_cubeNormals);
+        cubeNormals.rewind();
+
+        this.cubeIndices = BufferUtil.newByteBuffer(s_cubeIndices.length);
+        cubeIndices.put(s_cubeIndices);
+        cubeIndices.rewind();
+
+        if (useTexCoords) {
+            this.cubeTexCoords = BufferUtil.newShortBuffer(s_cubeTexCoords.length);
+            cubeTexCoords.put(s_cubeTexCoords);
+            cubeTexCoords.rewind();
+        }
+    }
+
+    private void perspective(GL gl, float fovy, float aspect, float zNear, float zFar) {
+        float xmin;
+        float xmax;
+        float ymin;
+        float ymax;
+
+        ymax = zNear * (float)Math.tan((fovy * Math.PI) / 360.0);
+        ymin = -ymax;
+        xmin = ymin * aspect;
+        xmax = ymax * aspect;
+
+        gl.glFrustum(xmin, xmax, ymin, ymax, zNear, zFar);
+    }
+
+    static final float[] light_position = { -50.f, 50.f, 50.f, 0.f };
+    static final float[] light_ambient = { 0.125f, 0.125f, 0.125f, 1.f };
+    static final float[] light_diffuse = { 1.0f, 1.0f, 1.0f, 1.f };
+    static final float[] material_spec = { 1.0f, 1.0f, 1.0f, 0.f };
+    static final float[] zero_vec4 = { 0.0f, 0.0f, 0.0f, 0.f };
+
+    public void reshape(GL gl, int x, int y, int width, int height) {
+        float aspect = (height != 0) ? ((float)width / (float)height) : 1.0f;
+
+        gl.glViewport(0, 0, width, height);
+        gl.glScissor(0, 0, width, height);
+
+        gl.glMatrixMode(GL.GL_MODELVIEW);
+        gl.glLoadIdentity();
+
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, light_position, 0);
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, light_ambient, 0);
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, light_diffuse, 0);
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, zero_vec4, 0);
+        gl.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_SPECULAR, material_spec, 0);
+
+        gl.glEnable(GL.GL_NORMALIZE);
+        gl.glEnable(GL.GL_LIGHTING);
+        gl.glEnable(GL.GL_LIGHT0);
+        gl.glEnable(GL.GL_COLOR_MATERIAL);
+        gl.glEnable(GL.GL_CULL_FACE);
+
+        gl.glHint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_FASTEST);
+
+        gl.glShadeModel(GL.GL_SMOOTH);
+        gl.glDisable(GL.GL_DITHER);
+
+        gl.glClearColor(0.0f, 0.1f, 0.0f, 1.0f);
+
+        gl.glEnableClientState(GL.GL_VERTEX_ARRAY);
+        gl.glEnableClientState(GL.GL_NORMAL_ARRAY);
+        gl.glEnableClientState(GL.GL_COLOR_ARRAY);
+        if (cubeTexCoords != null) {
+            gl.glEnableClientState(GL.GL_TEXTURE_COORD_ARRAY);
+        } else {
+            gl.glDisableClientState(GL.GL_TEXTURE_COORD_ARRAY);
+        }
+
+        gl.glMatrixMode(GL.GL_PROJECTION);
+        gl.glLoadIdentity();
+
+        perspective(gl, 55.f, aspect, 0.1f, 100.f);
+        gl.glCullFace(GL.GL_BACK);
+    }
+
+    public void display(GL gl, float xRot, float yRot) {
+        //        System.out.println("CubeObject .. p1: "+this);
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+
+        // Draw a green square using MIDP
+        //g.setColor(0, 255, 0);
+        //g.fillRect(20, 20, width - 40, height - 40);
+
+        gl.glMatrixMode(GL.GL_MODELVIEW);
+        gl.glLoadIdentity();
+
+        gl.glTranslatef(0.f, 0.f, -30.f);
+        //        gl.glTranslatef(0.f, 0.f, -30.f);
+        //        gl.glRotatef((float)(time * 29.77f), 1.0f, 2.0f, 0.0f);
+        //        gl.glRotatef((float)(time * 22.311f), -0.1f, 0.0f, -5.0f);
+        gl.glRotatef(yRot, 0, 1, 0);
+        gl.glRotatef(xRot, 1, 0, 0);
+
+        gl.glVertexPointer(3, GL.GL_SHORT, 0, cubeVertices);
+        gl.glColorPointer(4, GL.GL_UNSIGNED_BYTE, 0, cubeColors);
+        gl.glNormalPointer(GL.GL_BYTE, 0, cubeNormals);
+        if (cubeTexCoords != null) {
+            gl.glTexCoordPointer(2, GL.GL_SHORT, 0, cubeTexCoords);
+            gl.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
+        }
+
+        //        System.out.println("CubeObject .. p8: "+this);
+        gl.glDrawElements(GL.GL_TRIANGLES, 6 * 6, GL.GL_UNSIGNED_BYTE, cubeIndices);
+        //        System.out.println("CubeObject .. p9: "+this);
+
+        //        time += 0.01f;
+    }
+
+    boolean initialized = false;
+    //    float time = 0.0f;
+
+    ShortBuffer cubeVertices;
+    ShortBuffer cubeTexCoords;
+    //    FloatBuffer cubeTexCoords;
+    ByteBuffer cubeColors;
+    ByteBuffer cubeNormals;
+    ByteBuffer cubeIndices;
+
+    private static final short[] s_cubeVertices =
+        {
+            -10, 10, 10, 10, -10, 10, 10, 10, 10, -10, -10, 10,
+            
+            -10, 10, -10, 10, -10, -10, 10, 10, -10, -10, -10, -10,
+            
+            -10, -10, 10, 10, -10, -10, 10, -10, 10, -10, -10, -10,
+            
+            -10, 10, 10, 10, 10, -10, 10, 10, 10, -10, 10, -10,
+            
+            10, -10, 10, 10, 10, -10, 10, 10, 10, 10, -10, -10,
+            
+            -10, -10, 10, -10, 10, -10, -10, 10, 10, -10, -10, -10
+        };
+
+    private static final short[] s_cubeTexCoords =
+        {
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+        };
+
+    private static final byte[] s_cubeColors =
+        {
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255
+        };
+
+    /*
+    private static final byte[] s_cubeColors =
+        {
+            (byte)40, (byte)80, (byte)160, (byte)255, (byte)40, (byte)80, (byte)160, (byte)255,
+            (byte)40, (byte)80, (byte)160, (byte)255, (byte)40, (byte)80, (byte)160, (byte)255,
+            
+            (byte)40, (byte)80, (byte)160, (byte)255, (byte)40, (byte)80, (byte)160, (byte)255,
+            (byte)40, (byte)80, (byte)160, (byte)255, (byte)40, (byte)80, (byte)160, (byte)255,
+            
+            (byte)128, (byte)128, (byte)128, (byte)255, (byte)128, (byte)128, (byte)128, (byte)255,
+            (byte)128, (byte)128, (byte)128, (byte)255, (byte)128, (byte)128, (byte)128, (byte)255,
+            
+            (byte)128, (byte)128, (byte)128, (byte)255, (byte)128, (byte)128, (byte)128, (byte)255,
+            (byte)128, (byte)128, (byte)128, (byte)255, (byte)128, (byte)128, (byte)128, (byte)255,
+            
+            (byte)255, (byte)110, (byte)10, (byte)255, (byte)255, (byte)110, (byte)10, (byte)255,
+            (byte)255, (byte)110, (byte)10, (byte)255, (byte)255, (byte)110, (byte)10, (byte)255,
+            
+            (byte)255, (byte)70, (byte)60, (byte)255, (byte)255, (byte)70, (byte)60, (byte)255,
+            (byte)255, (byte)70, (byte)60, (byte)255, (byte)255, (byte)70, (byte)60, (byte)255
+        };
+    */
+
+    private static final byte[] s_cubeIndices =
+        {
+            0, 3, 1, 2, 0, 1, /* front  */
+            6, 5, 4, 5, 7, 4, /* back   */
+            8, 11, 9, 10, 8, 9, /* top    */
+            15, 12, 13, 12, 14, 13, /* bottom */
+            16, 19, 17, 18, 16, 17, /* right  */
+            23, 20, 21, 20, 22, 21 /* left   */
+        };
+    private static final byte[] s_cubeNormals =
+        {
+            0, 0, 127, 0, 0, 127, 0, 0, 127, 0, 0, 127,
+            
+            0, 0, -128, 0, 0, -128, 0, 0, -128, 0, 0, -128,
+            
+            0, -128, 0, 0, -128, 0, 0, -128, 0, 0, -128, 0,
+            
+            0, 127, 0, 0, 127, 0, 0, 127, 0, 0, 127, 0,
+            
+            127, 0, 0, 127, 0, 0, 127, 0, 0, 127, 0, 0,
+            
+            -128, 0, 0, -128, 0, 0, -128, 0, 0, -128, 0, 0
+        };
+}
+
diff --git a/src/demos/cubefbo/FBCubes.java b/src/demos/cubefbo/FBCubes.java
new file mode 100755
index 0000000..3295c01
--- /dev/null
+++ b/src/demos/cubefbo/FBCubes.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.cubefbo;
+
+import java.awt.event.*;
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+import java.nio.*;
+
+class FBCubes implements GLEventListener, MouseListener, MouseMotionListener {
+    private static final int FBO_SIZE = 128;
+
+    public FBCubes () {
+        cubeInner = new CubeObject(false);
+        cubeMiddle = new CubeObject(true);
+        cubeOuter = new CubeObject(true);
+        fbo1 = new FBObject(FBO_SIZE, FBO_SIZE);
+        fbo2 = new FBObject(FBO_SIZE, FBO_SIZE);
+    }
+
+    public void init(GLAutoDrawable drawable) {
+        drawable.setGL(new DebugGL(drawable.getGL()));
+        GL gl = drawable.getGL();
+        fbo1.init(gl);
+        fbo2.init(gl);
+        drawable.addMouseListener(this);
+        drawable.addMouseMotionListener(this);
+    }
+
+    int x, y, width, height;
+    float motionIncr;
+    float xRot, yRot;
+
+    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+        cubeOuter.reshape(drawable.getGL(), x, y, width, height);
+        motionIncr = 180.f / Math.max(width, height);
+    }
+
+    public void display(GLAutoDrawable drawable) {
+        //        System.out.println("display");
+        GL gl = drawable.getGL();
+
+        fbo1.bind(gl);
+        cubeInner.reshape(gl, 0, 0, FBO_SIZE, FBO_SIZE);
+        cubeInner.display(gl, xRot, yRot);
+        fbo1.unbind(gl);
+
+        FBObject tex = fbo1;
+        FBObject rend = fbo2;
+
+        int MAX_ITER = 1;
+
+        for (int i = 0; i < MAX_ITER; i++) {
+            rend.bind(gl);
+            gl.glEnable (GL.GL_TEXTURE_2D);
+            gl.glBindTexture(GL.GL_TEXTURE_2D, tex.getTextureName()); // to use it ..
+            cubeMiddle.reshape(gl, 0, 0, FBO_SIZE, FBO_SIZE);
+            cubeMiddle.display(gl, xRot, yRot);
+            gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
+            gl.glDisable (GL.GL_TEXTURE_2D);
+            rend.unbind(gl);
+            FBObject tmp = tex;
+            tex = rend;
+            rend = tmp;
+        }
+
+        //        System.out.println("display .. p6");
+        cubeOuter.reshape(gl, x, y, width, height);
+        //        System.out.println("display .. p7");
+
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+        gl.glClearColor(0, 0, 0, 1);
+
+        gl.glEnable (GL.GL_TEXTURE_2D);
+        gl.glBindTexture(GL.GL_TEXTURE_2D, tex.getTextureName()); // to use it ..
+        cubeOuter.display(gl, xRot, yRot);
+        //        System.out.println("display .. p8");
+        gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
+        gl.glDisable (GL.GL_TEXTURE_2D);
+    }
+
+    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
+    }
+    
+    private boolean dragging;
+    private int lastDragX;
+    private int lastDragY;
+
+    public void mouseClicked(MouseEvent e)  {}
+    public void mousePressed(MouseEvent e)  {}
+    public void mouseReleased(MouseEvent e) {
+        dragging = false;
+    }
+    public void mouseEntered(MouseEvent e)  {}
+    public void mouseExited(MouseEvent e)   {}
+    public void mouseDragged(MouseEvent e)  {
+        if (!dragging) {
+            dragging = true;
+            lastDragX = e.getX();
+            lastDragY = e.getY();
+        } else {
+            yRot += (e.getX() - lastDragX) * motionIncr;
+            xRot += (e.getY() - lastDragY) * motionIncr;
+            lastDragX = e.getX();
+            lastDragY = e.getY();
+        }
+    }
+    public void mouseMoved(MouseEvent e)    {}
+
+    CubeObject cubeInner;
+    CubeObject cubeMiddle;
+    CubeObject cubeOuter;
+    FBObject   fbo1;
+    FBObject   fbo2;
+}
+
diff --git a/src/demos/cubefbo/FBObject.java b/src/demos/cubefbo/FBObject.java
new file mode 100755
index 0000000..a55096f
--- /dev/null
+++ b/src/demos/cubefbo/FBObject.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.cubefbo;
+
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+import java.nio.*;
+
+class FBObject {
+    private int fb, fbo_tex, depth_rb, stencil_rb, width, height;
+
+    public FBObject(int width, int height) {
+
+        this.width = width;
+        this.height = height;
+    }        
+
+    public void init(GL gl) {
+        // generate fbo ..
+        int name[] = new int[1];
+
+        gl.glGenTextures(1, name, 0);
+        fbo_tex = name[0];
+        System.out.println("fbo_tex: "+fbo_tex);
+
+        gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex);
+        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
+        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
+        gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB8, width, height, 0,
+                        GL.GL_RGB, GL.GL_UNSIGNED_BYTE, null);
+
+        gl.glGenRenderbuffersEXT(1, name, 0);
+        depth_rb = name[0];
+        System.out.println("depth_rb: "+depth_rb);
+
+        // Initialize the depth buffer:
+        gl.glBindRenderbufferEXT(GL.GL_RENDERBUFFER_EXT, depth_rb);
+        gl.glRenderbufferStorageEXT(GL.GL_RENDERBUFFER_EXT,
+                                    GL.GL_DEPTH_COMPONENT24, width, height);
+
+        // gl.glGenRenderbuffersEXT(1, name, 0);
+        // stencil_rb = name[0];
+        stencil_rb = 0;
+        System.out.println("stencil_rb: "+stencil_rb);
+
+        gl.glGenFramebuffersEXT(1, name, 0);
+        fb = name[0];
+        System.out.println("fb: "+fb);
+
+        // bind fbo ..
+        gl.glBindFramebufferEXT(GL.GL_FRAMEBUFFER_EXT, fb);
+
+        // Set up the color buffer for use as a renderable texture:
+        gl.glFramebufferTexture2DEXT(GL.GL_FRAMEBUFFER_EXT,
+                                  GL.GL_COLOR_ATTACHMENT0_EXT,
+                                  GL.GL_TEXTURE_2D, fbo_tex, 0); 
+
+        // Set up the depth buffer attachment:
+        gl.glFramebufferRenderbufferEXT(GL.GL_FRAMEBUFFER_EXT,
+                                        GL.GL_DEPTH_ATTACHMENT_EXT,
+                                        GL.GL_RENDERBUFFER_EXT, depth_rb);
+
+        if(stencil_rb!=0) {
+            // Initialize the stencil buffer:
+            gl.glBindRenderbufferEXT(GL.GL_RENDERBUFFER_EXT, stencil_rb);
+
+            gl.glRenderbufferStorageEXT(GL.GL_RENDERBUFFER_EXT,
+                                        GL.GL_STENCIL_INDEX8_EXT, width, height);
+
+            gl.glFramebufferRenderbufferEXT(GL.GL_FRAMEBUFFER_EXT,
+                                            GL.GL_STENCIL_ATTACHMENT_EXT,
+                                            GL.GL_RENDERBUFFER_EXT, stencil_rb);
+        }
+        unbind(gl);
+    }
+
+    public void bind(GL gl) {
+        gl.glBindFramebufferEXT(GL.GL_FRAMEBUFFER_EXT, fb); 
+    }
+
+    public void unbind(GL gl) {
+        //        gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
+        //        gl.glDisable (GL.GL_TEXTURE_2D);
+        gl.glBindFramebufferEXT(GL.GL_FRAMEBUFFER_EXT, 0); 
+    }
+
+    public int getFBName() {
+        return fb;
+    }
+    public int getTextureName() {
+        return fbo_tex;
+    }
+}
+
diff --git a/src/demos/cubefbo/Main.java b/src/demos/cubefbo/Main.java
new file mode 100755
index 0000000..bb2d479
--- /dev/null
+++ b/src/demos/cubefbo/Main.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.cubefbo;
+
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+import java.nio.*;
+import java.awt.*;
+import java.awt.event.*;
+import java.applet.*;
+
+public class Main 
+{
+
+  private Animator animator;
+
+/**
+  public void init() {
+    setLayout(new BorderLayout());
+    GLCanvas canvas = new GLCanvas();
+    canvas.addGLEventListener(new FBCubes());
+    canvas.setSize(getSize());
+    add(canvas, BorderLayout.CENTER);
+    animator = new FPSAnimator(canvas, 30);
+  }
+
+  public void start() {
+    animator.start();
+  }
+
+  public void stop() {
+    // FIXME: do I need to do anything else here?
+    animator.stop();
+  }
+  */
+
+  public static void main(String[] args) {
+    Frame frame = new Frame("FBCubes Demo ES 1.1");
+    GLCapabilities caps = new GLCapabilities();
+    GLCanvas canvas = new GLCanvas(caps);
+    canvas.addGLEventListener(new FBCubes());
+    frame.add(canvas);
+    frame.setSize(800, 480);
+    final Animator animator = new FPSAnimator(canvas, 60);
+    frame.addWindowListener(new WindowAdapter() {
+        public void windowClosing(WindowEvent e) {
+          // Run this on another thread than the AWT event queue to
+          // make sure the call to Animator.stop() completes before
+          // exiting
+          new Thread(new Runnable() {
+              public void run() {
+                animator.stop();
+                System.exit(0);
+              }
+            }).start();
+        }
+      });
+
+    frame.show();
+    animator.start();
+  }
+}
+
diff --git a/src/demos/es1/cubefbo/CubeObject.java b/src/demos/es1/cubefbo/CubeObject.java
new file mode 100755
index 0000000..8eb9c7f
--- /dev/null
+++ b/src/demos/es1/cubefbo/CubeObject.java
@@ -0,0 +1,250 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.es1.cubefbo;
+
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+import java.nio.*;
+
+class CubeObject {
+    public CubeObject (boolean useTexCoords) {
+        // Initialize data Buffers
+        this.cubeVertices = BufferUtil.newShortBuffer(s_cubeVertices.length);
+        cubeVertices.put(s_cubeVertices);
+        cubeVertices.rewind();
+
+        this.cubeColors = BufferUtil.newByteBuffer(s_cubeColors.length);
+        cubeColors.put(s_cubeColors);
+        cubeColors.rewind();
+
+        this.cubeNormals = BufferUtil.newByteBuffer(s_cubeNormals.length);
+        cubeNormals.put(s_cubeNormals);
+        cubeNormals.rewind();
+
+        this.cubeIndices = BufferUtil.newByteBuffer(s_cubeIndices.length);
+        cubeIndices.put(s_cubeIndices);
+        cubeIndices.rewind();
+
+        if (useTexCoords) {
+            this.cubeTexCoords = BufferUtil.newShortBuffer(s_cubeTexCoords.length);
+            cubeTexCoords.put(s_cubeTexCoords);
+            cubeTexCoords.rewind();
+        }
+    }
+
+    private void perspective(GL gl, float fovy, float aspect, float zNear, float zFar) {
+        float xmin;
+        float xmax;
+        float ymin;
+        float ymax;
+
+        ymax = zNear * (float)Math.tan((fovy * Math.PI) / 360.0);
+        ymin = -ymax;
+        xmin = ymin * aspect;
+        xmax = ymax * aspect;
+
+        gl.glFrustumf(xmin, xmax, ymin, ymax, zNear, zFar);
+    }
+
+    static final float[] light_position = { -50.f, 50.f, 50.f, 0.f };
+    static final float[] light_ambient = { 0.125f, 0.125f, 0.125f, 1.f };
+    static final float[] light_diffuse = { 1.0f, 1.0f, 1.0f, 1.f };
+    static final float[] material_spec = { 1.0f, 1.0f, 1.0f, 0.f };
+    static final float[] zero_vec4 = { 0.0f, 0.0f, 0.0f, 0.f };
+
+    public void reshape(GL gl, int x, int y, int width, int height) {
+        float aspect = (height != 0) ? ((float)width / (float)height) : 1.0f;
+
+        gl.glViewport(0, 0, width, height);
+        gl.glScissor(0, 0, width, height);
+
+        gl.glMatrixMode(GL.GL_MODELVIEW);
+        gl.glLoadIdentity();
+
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, light_position, 0);
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, light_ambient, 0);
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, light_diffuse, 0);
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, zero_vec4, 0);
+        gl.glMaterialfv(GL.GL_FRONT_AND_BACK, GL.GL_SPECULAR, material_spec, 0);
+
+        gl.glEnable(GL.GL_NORMALIZE);
+        gl.glEnable(GL.GL_LIGHTING);
+        gl.glEnable(GL.GL_LIGHT0);
+        gl.glEnable(GL.GL_COLOR_MATERIAL);
+        gl.glEnable(GL.GL_CULL_FACE);
+
+        gl.glHint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_FASTEST);
+
+        gl.glShadeModel(GL.GL_SMOOTH);
+        gl.glDisable(GL.GL_DITHER);
+
+        gl.glClearColor(0.0f, 0.1f, 0.0f, 1.0f);
+
+        gl.glEnableClientState(GL.GL_VERTEX_ARRAY);
+        gl.glEnableClientState(GL.GL_NORMAL_ARRAY);
+        gl.glEnableClientState(GL.GL_COLOR_ARRAY);
+        if (cubeTexCoords != null) {
+            gl.glEnableClientState(GL.GL_TEXTURE_COORD_ARRAY);
+        } else {
+            gl.glDisableClientState(GL.GL_TEXTURE_COORD_ARRAY);
+        }
+
+        gl.glMatrixMode(GL.GL_PROJECTION);
+        gl.glLoadIdentity();
+
+        float fovy = 55.f;
+        if (aspect < 1) {
+            // Compute this as fovx instead
+            float fovx = fovy;
+            fovy = (float) Math.toDegrees(Math.atan(Math.tan(Math.toRadians(fovx)) / aspect));
+        }
+
+        perspective(gl, fovy, aspect, 0.1f, 100.f);
+        gl.glCullFace(GL.GL_BACK);
+    }
+
+    public void display(GL gl, float xRot, float yRot) {
+        //        System.out.println("CubeObject .. p1: "+this);
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+
+        gl.glMatrixMode(GL.GL_MODELVIEW);
+        gl.glLoadIdentity();
+
+        gl.glTranslatef(0.f, 0.f, -30.f);
+        //        gl.glTranslatef(0.f, 0.f, -30.f);
+        //        gl.glRotatef((float)(time * 29.77f), 1.0f, 2.0f, 0.0f);
+        //        gl.glRotatef((float)(time * 22.311f), -0.1f, 0.0f, -5.0f);
+        gl.glRotatef(yRot, 0, 1, 0);
+        gl.glRotatef(xRot, 1, 0, 0);
+
+        gl.glVertexPointer(3, GL.GL_SHORT, 0, cubeVertices);
+        gl.glColorPointer(4, GL.GL_UNSIGNED_BYTE, 0, cubeColors);
+        gl.glNormalPointer(GL.GL_BYTE, 0, cubeNormals);
+        if (cubeTexCoords != null) {
+            gl.glTexCoordPointer(2, GL.GL_SHORT, 0, cubeTexCoords);
+            gl.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
+        }
+
+        //        System.out.println("CubeObject .. p8: "+this);
+        gl.glDrawElements(GL.GL_TRIANGLES, 6 * 6, GL.GL_UNSIGNED_BYTE, cubeIndices);
+        //        System.out.println("CubeObject .. p9: "+this);
+
+        //        time += 0.01f;
+    }
+
+    boolean initialized = false;
+    //    float time = 0.0f;
+
+    ShortBuffer cubeVertices;
+    ShortBuffer cubeTexCoords;
+    ByteBuffer cubeColors;
+    ByteBuffer cubeNormals;
+    ByteBuffer cubeIndices;
+
+    private static final short[] s_cubeVertices =
+        {
+            -10, 10, 10, 10, -10, 10, 10, 10, 10, -10, -10, 10,
+            
+            -10, 10, -10, 10, -10, -10, 10, 10, -10, -10, -10, -10,
+            
+            -10, -10, 10, 10, -10, -10, 10, -10, 10, -10, -10, -10,
+            
+            -10, 10, 10, 10, 10, -10, 10, 10, 10, -10, 10, -10,
+            
+            10, -10, 10, 10, 10, -10, 10, 10, 10, 10, -10, -10,
+            
+            -10, -10, 10, -10, 10, -10, -10, 10, 10, -10, -10, -10
+        };
+
+    private static final short[] s_cubeTexCoords =
+        {
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+
+            0, (short) 0xffff, (short) 0xffff, 0, (short) 0xffff, (short) 0xffff, 0, 0,
+        };
+
+    private static final byte[] s_cubeColors =
+        {
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255,
+            (byte) 0, (byte) 128, (byte) 0, (byte) 255, (byte) 0, (byte) 128, (byte) 0, (byte) 255
+        };
+
+    private static final byte[] s_cubeIndices =
+        {
+            0, 3, 1, 2, 0, 1, /* front  */
+            6, 5, 4, 5, 7, 4, /* back   */
+            8, 11, 9, 10, 8, 9, /* top    */
+            15, 12, 13, 12, 14, 13, /* bottom */
+            16, 19, 17, 18, 16, 17, /* right  */
+            23, 20, 21, 20, 22, 21 /* left   */
+        };
+    private static final byte[] s_cubeNormals =
+        {
+            0, 0, 127, 0, 0, 127, 0, 0, 127, 0, 0, 127,
+            
+            0, 0, -128, 0, 0, -128, 0, 0, -128, 0, 0, -128,
+            
+            0, -128, 0, 0, -128, 0, 0, -128, 0, 0, -128, 0,
+            
+            0, 127, 0, 0, 127, 0, 0, 127, 0, 0, 127, 0,
+            
+            127, 0, 0, 127, 0, 0, 127, 0, 0, 127, 0, 0,
+            
+            -128, 0, 0, -128, 0, 0, -128, 0, 0, -128, 0, 0
+        };
+}
+
diff --git a/src/demos/es1/cubefbo/FBCubes.java b/src/demos/es1/cubefbo/FBCubes.java
new file mode 100755
index 0000000..724b798
--- /dev/null
+++ b/src/demos/es1/cubefbo/FBCubes.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.es1.cubefbo;
+
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+import java.nio.*;
+
+class FBCubes {
+    private static final int FBO_SIZE = 128;
+
+    public FBCubes () {
+        cubeInner = new CubeObject(false);
+        cubeMiddle = new CubeObject(true);
+        cubeOuter = new CubeObject(true);
+
+        //        cubeOuter = new CubeObject(false);
+
+        fbo1 = new FBObject(FBO_SIZE, FBO_SIZE);
+        fbo2 = new FBObject(FBO_SIZE, FBO_SIZE);
+    }
+
+    public void init(GL gl) {
+        fbo1.init(gl);
+        fbo2.init(gl);
+    }
+
+    public void reshape(GL gl, int x, int y, int width, int height) {
+        cubeOuter.reshape(gl, x, y, width, height);
+    }
+
+    public void display(GL gl, float xRot, float yRot) {
+
+        fbo1.bind(gl);
+        cubeInner.reshape(gl, 0, 0, FBO_SIZE, FBO_SIZE);
+        cubeInner.display(gl, xRot, yRot);
+        fbo1.unbind(gl);
+
+        FBObject tex = fbo1;
+        FBObject rend = fbo2;
+
+        int MAX_ITER = 1;
+
+        for (int i = 0; i < MAX_ITER; i++) {
+            rend.bind(gl);
+            gl.glEnable (GL.GL_TEXTURE_2D);
+            gl.glBindTexture(GL.GL_TEXTURE_2D, tex.getTextureName()); // to use it ..
+            cubeMiddle.reshape(gl, 0, 0, FBO_SIZE, FBO_SIZE);
+            cubeMiddle.display(gl, xRot, yRot);
+            gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
+            gl.glDisable (GL.GL_TEXTURE_2D);
+            rend.unbind(gl);
+            FBObject tmp = tex;
+            tex = rend;
+            rend = tmp;
+        }
+
+        //        System.out.println("display .. p6");
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+        gl.glClearColor(0, 0, 0, 1);
+
+        gl.glEnable (GL.GL_TEXTURE_2D);
+        gl.glBindTexture(GL.GL_TEXTURE_2D, tex.getTextureName()); // to use it ..
+        cubeOuter.display(gl, xRot, yRot);
+        //        System.out.println("display .. p7");
+        gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
+        gl.glDisable (GL.GL_TEXTURE_2D);
+    }
+
+    public void displayChanged(GL gl, boolean modeChanged, boolean deviceChanged) {
+    }
+    
+    float time = 0.0f;
+    CubeObject cubeInner;
+    CubeObject cubeMiddle;
+    CubeObject cubeOuter;
+    FBObject   fbo1;
+    FBObject   fbo2;
+}
+
diff --git a/src/demos/es1/cubefbo/FBObject.java b/src/demos/es1/cubefbo/FBObject.java
new file mode 100755
index 0000000..13d5b01
--- /dev/null
+++ b/src/demos/es1/cubefbo/FBObject.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.es1.cubefbo;
+
+import javax.media.opengl.*;
+import com.sun.opengl.util.*;
+import java.nio.*;
+
+class FBObject {
+    private int fb, fbo_tex, depth_rb, stencil_rb, width, height;
+
+    public FBObject(int width, int height) {
+        this.width = width;
+        this.height = height;
+    }        
+
+    public void init(GL gl) {
+        // generate fbo ..
+        int name[] = new int[1];
+
+        gl.glGenTextures(1, name, 0);
+        fbo_tex = name[0];
+        System.out.println("fbo_tex: "+fbo_tex);
+
+        gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex);
+        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
+        gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
+        gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB8_OES, width, height, 0,
+                        GL.GL_RGB, GL.GL_UNSIGNED_BYTE, null);
+
+        gl.glGenRenderbuffersOES(1, name, 0);
+        depth_rb = name[0];
+        System.out.println("depth_rb: "+depth_rb);
+
+        // Initialize the depth buffer:
+        gl.glBindRenderbufferOES(GL.GL_RENDERBUFFER_OES, depth_rb);
+        gl.glRenderbufferStorageOES(GL.GL_RENDERBUFFER_OES,
+                                    GL.GL_DEPTH_COMPONENT16_OES, width, height);
+
+        // gl.glGenRenderbuffersOES(1, name, 0);
+        // stencil_rb = name[0];
+        stencil_rb = 0;
+        System.out.println("stencil_rb: "+stencil_rb);
+
+        gl.glGenFramebuffersOES(1, name, 0);
+        fb = name[0];
+        System.out.println("fb: "+fb);
+
+        // bind fbo ..
+        gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, fb);
+
+        // Set up the color buffer for use as a renderable texture:
+        gl.glFramebufferTexture2DOES(GL.GL_FRAMEBUFFER_OES,
+                                  GL.GL_COLOR_ATTACHMENT0_OES,
+                                  GL.GL_TEXTURE_2D, fbo_tex, 0); 
+
+        // Set up the depth buffer attachment:
+        gl.glFramebufferRenderbufferOES(GL.GL_FRAMEBUFFER_OES,
+                                        GL.GL_DEPTH_ATTACHMENT_OES,
+                                        GL.GL_RENDERBUFFER_OES, depth_rb);
+
+        // bind fbo ..
+        gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, fb);
+
+        // Setup the color buffer for use as a renderable texture:
+        gl.glBindTexture(GL.GL_TEXTURE_2D, fbo_tex);
+
+        gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, GL.GL_RGB8_OES, width, height, 0,
+                     GL.GL_RGB, GL.GL_UNSIGNED_BYTE, null);
+
+        gl.glFramebufferTexture2DOES(GL.GL_FRAMEBUFFER_OES,
+                                  GL.GL_COLOR_ATTACHMENT0_OES,
+                                  GL.GL_TEXTURE_2D, fbo_tex, 0); 
+
+        // Initialize the depth buffer:
+        gl.glBindRenderbufferOES(GL.GL_RENDERBUFFER_OES, depth_rb);
+
+        gl.glRenderbufferStorageOES(GL.GL_RENDERBUFFER_OES,
+                                    GL.GL_DEPTH_COMPONENT16_OES, width, height);
+
+        gl.glFramebufferRenderbufferOES(GL.GL_FRAMEBUFFER_OES,
+                                        GL.GL_DEPTH_ATTACHMENT_OES,
+                                        GL.GL_RENDERBUFFER_OES, depth_rb);
+
+        if(stencil_rb!=0) {
+            // Initialize the stencil buffer:
+            gl.glBindRenderbufferOES(GL.GL_RENDERBUFFER_OES, stencil_rb);
+
+            gl.glRenderbufferStorageOES(GL.GL_RENDERBUFFER_OES,
+                                        GL.GL_STENCIL_INDEX8_OES, width, height);
+
+            gl.glFramebufferRenderbufferOES(GL.GL_FRAMEBUFFER_OES,
+                                            GL.GL_STENCIL_ATTACHMENT_OES,
+                                            GL.GL_RENDERBUFFER_OES, stencil_rb);
+        }
+
+        // Check the FBO for completeness
+        int res = gl.glCheckFramebufferStatusOES(fb);
+        if (res == GL.GL_FRAMEBUFFER_COMPLETE_OES) {
+            System.out.println("Framebuffer " + fb + " is complete");
+        } else {
+            System.out.println("Framebuffer " + fb + " is incomplete: status = 0x" + Integer.toHexString(res));
+        }
+    }
+
+    public void bind(GL gl) {
+        gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, fb); 
+    }
+
+    public void unbind(GL gl) {
+        gl.glBindFramebufferOES(GL.GL_FRAMEBUFFER_OES, 0);
+    }
+
+    public int getFBName() {
+        return fb;
+    }
+    public int getTextureName() {
+        return fbo_tex;
+    }
+}
diff --git a/src/demos/es1/cubefbo/Main.java b/src/demos/es1/cubefbo/Main.java
new file mode 100755
index 0000000..857f183
--- /dev/null
+++ b/src/demos/es1/cubefbo/Main.java
@@ -0,0 +1,169 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ */
+
+package demos.es1.cubefbo;
+
+import java.nio.*;
+import javax.media.opengl.*;
+import com.sun.javafx.newt.*;
+
+public class Main implements MouseListener {
+
+    private boolean quit = false;
+    private boolean toggleFS = false;
+    private Window window;
+
+    private boolean dragging;
+    private int lastDragX;
+    private int lastDragY;
+    private float motionIncr;
+    private float xRot, yRot;
+
+    public void mouseClicked(MouseEvent e) {
+        switch(e.getClickCount()) {
+            case 1:
+                toggleFS=true;
+                break;
+            default: 
+                quit=true;
+                break;
+        }
+    }
+    public void mouseEntered(MouseEvent e) {
+    }
+    public void mouseExited(MouseEvent e) {
+    }
+    public void mousePressed(MouseEvent e) {
+    }
+    public void mouseReleased(MouseEvent e) {
+        dragging = false;
+    }
+    public void mouseMoved(MouseEvent e) {
+    }
+    public void mouseDragged(MouseEvent e) {
+        if (!dragging) {
+            dragging = true;
+            lastDragX = e.getX();
+            lastDragY = e.getY();
+        } else {
+            yRot += (e.getX() - lastDragX) * motionIncr;
+            xRot += (e.getY() - lastDragY) * motionIncr;
+            lastDragX = e.getX();
+            lastDragY = e.getY();
+        }
+    }
+
+    public void run() {
+        System.out.println("CubeFBO Main");
+        try {
+            Display display = NewtFactory.createDisplay(null); // local display
+            Screen screen  = NewtFactory.createScreen(display, 0); // screen 0
+            window = NewtFactory.createWindow(screen, 0); // dummy VisualID
+
+            window.addMouseListener(this);
+
+            // Size OpenGL to Video Surface
+            int width = 800;
+            int height = 480;
+            window.setSize(width, height);
+            window.setFullscreen(true);
+
+            // Hook this into EGL
+            GLDrawableFactory factory = GLDrawableFactory.getFactory(GLDrawableFactory.PROFILE_GLES1, window);
+            GLCapabilities caps = new GLCapabilities();
+            // For emulation library, use 16 bpp
+            caps.setRedBits(5);
+            caps.setGreenBits(6);
+            caps.setBlueBits(5);
+            caps.setDepthBits(16);
+            GLDrawable drawable = factory.createGLDrawable(window, caps, null);
+            window.setVisible(true);
+            drawable.setRealized(true);
+            GLContext context = drawable.createContext(null);
+            context.makeCurrent();
+
+            GL gl = context.getGL();
+
+            motionIncr = 180.f / Math.max(window.getWidth(), window.getHeight());
+            FBCubes cubes = new FBCubes();
+            cubes.init(gl);
+
+            long startTime = System.currentTimeMillis();
+            long lastTime = startTime, curTime = 0, dt0, dt1;
+            int totalFrames = 0, lastFrames = 0;
+
+            do {
+                cubes.reshape(gl, 0, 0, window.getWidth(), window.getHeight());
+                cubes.display(gl, xRot, yRot);
+                drawable.swapBuffers();
+                totalFrames++; lastFrames++;
+                curTime = System.currentTimeMillis();
+                dt0 = curTime-lastTime;
+                if ( (curTime-lastTime) > 5000 ) {
+                    dt1 = curTime-startTime;
+                    System.out.println(dt1/1000+"s, 5s: "+ (lastFrames*1000)/dt0 + " fps, "+
+                                                 "total: "+ (totalFrames*1000)/dt1 + " fps");
+                    lastTime=curTime;
+                    lastFrames=0;
+                }
+                if(toggleFS) {
+                    window.setFullscreen(!window.isFullscreen());
+                    toggleFS=false;
+                }
+
+                window.pumpMessages();
+
+                //                Thread.yield();
+
+                //                try{
+                //                    Thread.sleep(10);
+                //                } catch(InterruptedException ie) {}
+            } while (!quit && (curTime - startTime) < 215000);
+
+            // Shut things down cooperatively
+            context.release();
+            context.destroy();
+            drawable.destroy();
+            factory.shutdown();
+            System.out.println("CubeFBO shut down cleanly.");
+        } catch (GLException e) {
+            e.printStackTrace();
+        }
+    }
+
+
+    public static void main(String[] args) {
+        new Main().run();
+        System.exit(0);
+    }
+}