diff --git a/java/libraries/opengl/examples/Form/BrickTower/BrickTower.pde b/java/libraries/opengl/examples/Form/BrickTower/BrickTower.pde
index 8def2b7a0..2ef6625fd 100755
--- a/java/libraries/opengl/examples/Form/BrickTower/BrickTower.pde
+++ b/java/libraries/opengl/examples/Form/BrickTower/BrickTower.pde
@@ -24,9 +24,7 @@ void draw(){
   fill(182, 62, 29);
   noStroke();
   // Add basic light setup
-  ambientLight(100, 100, 100);
-  directionalLight(255, 255, 255, 0, 1, 0);
-  
+  lights();
   translate(width/2, height*1.2, -380);
   // Tip tower to see inside
   rotateX(radians(-45));
diff --git a/java/libraries/opengl/examples/Form/CubicGrid/CubicGrid.pde b/java/libraries/opengl/examples/Form/CubicGrid/CubicGrid.pde
index 111cd3f3f..05e2afd68 100755
--- a/java/libraries/opengl/examples/Form/CubicGrid/CubicGrid.pde
+++ b/java/libraries/opengl/examples/Form/CubicGrid/CubicGrid.pde
@@ -14,6 +14,7 @@ color boxFill;
 void setup() {
   size(640, 360, P3D);
   noStroke();
+  hint(DISABLE_DEPTH_TEST);
 }
 
 void draw() {
diff --git a/java/libraries/opengl/examples/LowLevel/Nehe/Bitmap.pde b/java/libraries/opengl/examples/LowLevel/Nehe/Bitmap.pde
deleted file mode 100755
index f9179e16a..000000000
--- a/java/libraries/opengl/examples/LowLevel/Nehe/Bitmap.pde
+++ /dev/null
@@ -1,147 +0,0 @@
-import java.awt.image.BufferedImage;
-import java.awt.image.DataBufferByte;
-import java.awt.image.DataBufferInt;
-import java.io.IOException;
-import java.io.InputStream;
-
-BufferedImage loadBitmap(String file) throws IOException {
-  BufferedImage image;
-  InputStream input = null;
-  try {
-    input = createInput(file);
-
-    int bitmapFileHeaderLength = 14;
-    int bitmapInfoHeaderLength = 40;
-
-    byte bitmapFileHeader[] = new byte[bitmapFileHeaderLength];
-    byte bitmapInfoHeader[] = new byte[bitmapInfoHeaderLength];
-
-    input.read(bitmapFileHeader, 0, bitmapFileHeaderLength);
-    input.read(bitmapInfoHeader, 0, bitmapInfoHeaderLength);
-
-    int nSize = bytesToInt(bitmapFileHeader, 2);
-    int nWidth = bytesToInt(bitmapInfoHeader, 4);
-    int nHeight = bytesToInt(bitmapInfoHeader, 8);
-    int nBiSize = bytesToInt(bitmapInfoHeader, 0);
-    int nPlanes = bytesToShort(bitmapInfoHeader, 12);
-    int nBitCount = bytesToShort(bitmapInfoHeader, 14);
-    int nSizeImage = bytesToInt(bitmapInfoHeader, 20);
-    int nCompression = bytesToInt(bitmapInfoHeader, 16);
-    int nColoursUsed = bytesToInt(bitmapInfoHeader, 32);
-    int nXPixelsMeter = bytesToInt(bitmapInfoHeader, 24);
-    int nYPixelsMeter = bytesToInt(bitmapInfoHeader, 28);
-    int nImportantColours = bytesToInt(bitmapInfoHeader, 36);
-
-    if (nBitCount == 24) {
-      image = read24BitBitmap(nSizeImage, nHeight, nWidth, input);
-    } 
-    else if (nBitCount == 8) {
-      image = read8BitBitmap(nColoursUsed, nBitCount, nSizeImage, nWidth, nHeight, input);
-    } 
-    else {
-      System.out.println("Not a 24-bit or 8-bit Windows Bitmap, aborting...");
-      image = null;
-    }
-  } 
-  finally {
-    try {
-      if (input != null)
-        input.close();
-    } 
-    catch (IOException e) {
-    }
-  }
-  return image;
-}
-
-BufferedImage read8BitBitmap(int nColoursUsed, int nBitCount, int nSizeImage, int nWidth, int nHeight, InputStream input) throws IOException {
-  int nNumColors = (nColoursUsed > 0) ? nColoursUsed : (1 & 0xff) << nBitCount;
-
-  if (nSizeImage == 0) {
-    nSizeImage = ((((nWidth * nBitCount) + 31) & ~31) >> 3);
-    nSizeImage *= nHeight;
-  }
-
-  int npalette[] = new int[nNumColors];
-  byte bpalette[] = new byte[nNumColors * 4];
-  readBuffer(input, bpalette);
-  int nindex8 = 0;
-
-  for (int n = 0; n < nNumColors; n++) {
-    npalette[n] = (255 & 0xff) << 24 |
-      (bpalette[nindex8 + 2] & 0xff) << 16 |
-      (bpalette[nindex8 + 1] & 0xff) << 8 |
-      (bpalette[nindex8 + 0] & 0xff);
-
-    nindex8 += 4;
-  }
-
-  int npad8 = (nSizeImage / nHeight) - nWidth;
-  BufferedImage bufferedImage = new BufferedImage(nWidth, nHeight, BufferedImage.TYPE_INT_ARGB);
-  DataBufferInt dataBufferByte = ((DataBufferInt) bufferedImage.getRaster().getDataBuffer());
-  int[][] bankData = dataBufferByte.getBankData();
-  byte bdata[] = new byte[(nWidth + npad8) * nHeight];
-
-  readBuffer(input, bdata);
-  nindex8 = 0;
-
-  for (int j8 = nHeight - 1; j8 >= 0; j8--) {
-    for (int i8 = 0; i8 < nWidth; i8++) {
-      bankData[0][j8 * nWidth + i8] = npalette[((int) bdata[nindex8] & 0xff)];
-      nindex8++;
-    }
-    nindex8 += npad8;
-  }
-
-  return bufferedImage;
-}
-
-BufferedImage read24BitBitmap(int nSizeImage, int nHeight, int nWidth, InputStream input) throws IOException {
-  int npad = (nSizeImage / nHeight) - nWidth * 3;
-  if (npad == 4 || npad < 0)
-    npad = 0;
-  int nindex = 0;
-  BufferedImage bufferedImage = new BufferedImage(nWidth, nHeight, BufferedImage.TYPE_4BYTE_ABGR);
-  DataBufferByte dataBufferByte = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer());
-  byte[][] bankData = dataBufferByte.getBankData();
-  byte brgb[] = new byte[(nWidth + npad) * 3 * nHeight];
-
-  readBuffer(input, brgb);
-
-  for (int j = nHeight - 1; j >= 0; j--) {
-    for (int i = 0; i < nWidth; i++) {
-      int base = (j * nWidth + i) * 4;
-      bankData[0][base] = (byte) 255;
-      bankData[0][base + 1] = brgb[nindex];
-      bankData[0][base + 2] = brgb[nindex + 1];
-      bankData[0][base + 3] = brgb[nindex + 2];
-      nindex += 3;
-    }
-    nindex += npad;
-  }
-
-  return bufferedImage;
-}
-
-int bytesToInt(byte[] bytes, int index) {
-  return (bytes[index + 3] & 0xff) << 24 |
-    (bytes[index + 2] & 0xff) << 16 |
-    (bytes[index + 1] & 0xff) << 8 |
-    bytes[index + 0] & 0xff;
-}
-
-short bytesToShort(byte[] bytes, int index) {
-  return (short) (((bytes[index + 1] & 0xff) << 8) |
-    (bytes[index + 0] & 0xff));
-}
-
-void readBuffer(InputStream in, byte[] buffer) throws IOException {
-  int bytesRead = 0;
-  int bytesToRead = buffer.length;
-  while (bytesToRead > 0) {
-    int read = in.read(buffer, bytesRead, bytesToRead);
-    bytesRead += read;
-    bytesToRead -= read;
-  }
-}
-
diff --git a/java/libraries/opengl/examples/LowLevel/Nehe/Nehe.pde b/java/libraries/opengl/examples/LowLevel/Nehe/Nehe.pde
deleted file mode 100755
index 8a55c238d..000000000
--- a/java/libraries/opengl/examples/LowLevel/Nehe/Nehe.pde
+++ /dev/null
@@ -1,235 +0,0 @@
-// Nehe by Andres Colubri
-// Example of direct OpenGL use inside Processing with the 
-// OPENGL2 renderer.
-// Ported from NeHe tutorial 8:
-// http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=08
-
-import javax.media.opengl.*;
-import java.nio.*;
-import javax.media.opengl.glu.gl2.GLUgl2;
-
-boolean lighting = true;
-boolean blending = true;
-boolean depthTest = true;
-boolean depthMask = false;
-boolean texturing = true;
-
-int selBlend = 1;
-int selFilter = 0;
-float transparency = 0.5f;
-
-// The color depth of the sketch can be set with this
-// method. The 6 numbers separated by colons correspond 
-// to the red, green, blue, alpha, depth and stencil bits.
-// If this method is not defined, then Processing will let
-// OpenGL to automatically choose the color depth.
-String sketchColordepth() {
-  return "8:8:8:8:16:0";
-}
-
-// Whether the sketch surface supports translucenty or not.
-boolean sketchTranslucency() {
-  return true;
-} 
-
-FloatBuffer[] cubeVertexBfr;
-FloatBuffer[] cubeNormalBfr;
-FloatBuffer[] cubeTextureBfr;
-
-FloatBuffer lightAmbBfr;
-FloatBuffer lightDifBfr;
-FloatBuffer lightPosBfr;
-
-private IntBuffer texturesBuffer;
-
-private float xRot;
-private float yRot;
-float xSpeed = 0.2f;
-float ySpeed = 0.2f;  
-
-GLUgl2 glu;
-
-void setup() {
-  size(400, 400, P3D);
-
-  glu = new GLUgl2();
-
-  int SIZEOF_FLOAT = Float.SIZE / 8;
-
-  cubeVertexBfr = new FloatBuffer[6];
-  cubeNormalBfr = new FloatBuffer[6];
-  cubeTextureBfr = new FloatBuffer[6];
-  for (int i = 0; i < 6; i++) {
-    ByteBuffer vbb = ByteBuffer.allocateDirect(4 * 3 * SIZEOF_FLOAT);
-    vbb.order(ByteOrder.nativeOrder());
-    cubeVertexBfr[i] = vbb.asFloatBuffer(); 
-    cubeVertexBfr[i].put(cubeVertexCoords[i]);
-    cubeVertexBfr[i].flip();
-
-    ByteBuffer nbb = ByteBuffer.allocateDirect(4 * 3 * SIZEOF_FLOAT);
-    nbb.order(ByteOrder.nativeOrder());
-    cubeNormalBfr[i] = nbb.asFloatBuffer(); 
-    cubeNormalBfr[i].put(cubeNormalCoords[i]);
-    cubeNormalBfr[i].flip();
-
-    ByteBuffer tbb = ByteBuffer.allocateDirect(4 * 2 * SIZEOF_FLOAT);
-    tbb.order(ByteOrder.nativeOrder());      
-    cubeTextureBfr[i] = tbb.asFloatBuffer();
-    cubeTextureBfr[i].put(cubeTextureCoords[i]);
-    cubeTextureBfr[i].flip();
-  }
-
-  lightAmbBfr = FloatBuffer.wrap(lightAmb);
-  lightDifBfr = FloatBuffer.wrap(lightDif);
-  lightPosBfr = FloatBuffer.wrap(lightPos);    
-
-  PGraphicsOpenGL pgl = (PGraphicsOpenGL)g;
-  GL gl = pgl.beginGL();
-
-  Texture teximage = null;
-  try {
-    teximage = readTexture("glass.bmp");
-  } catch (IOException e) {
-    e.printStackTrace();
-    throw new RuntimeException(e);
-  }
-
-  texturesBuffer = IntBuffer.allocate(3);
-  gl.glGenTextures(3, texturesBuffer);
-
-  gl.glEnable(GL.GL_TEXTURE_2D);
-  // setup texture 0 with nearest filtering
-  gl.glBindTexture(GL.GL_TEXTURE_2D, texturesBuffer.get(0));
-  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.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE);
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE);
-  makeRGBTexture(gl, glu, teximage, GL.GL_TEXTURE_2D, false);
-
-  // setup texture 1 with linear filtering for both minification and magnification, 
-  // this is usually called bilinear sampling
-  gl.glBindTexture(GL.GL_TEXTURE_2D, texturesBuffer.get(1));
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR);
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE);
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE);
-  makeRGBTexture(gl, glu, teximage, GL.GL_TEXTURE_2D, false);
-
-  // setup texture 2 with linear filtering for magnification and linear-linear mipmapping
-  // (trilinear sampling)
-  gl.glBindTexture(GL.GL_TEXTURE_2D, texturesBuffer.get(2));
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR);
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_NEAREST);
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE);
-  gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE);
-  makeRGBTexture(gl, glu, teximage, GL.GL_TEXTURE_2D, true);
-  gl.glDisable(GL.GL_TEXTURE_2D);
-
-  pgl.endGL();
-}
-
-public void draw() {
-  background(0);
-
-  PGraphicsOpenGL pgl = (PGraphicsOpenGL)g;
-  GL gl = pgl.beginGL();
-  GL2 gl2 = gl.getGL2();
-
-  gl2.glShadeModel(GL2.GL_SMOOTH);
-  gl.glClearColor(0, 0, 0, 0);
-
-  if (depthTest) {
-    gl.glClearDepthf(1.0f);
-    gl.glEnable(GL.GL_DEPTH_TEST);
-    gl.glDepthFunc(GL.GL_LEQUAL);
-  } 
-  else {
-    gl.glDisable(GL.GL_DEPTH_TEST);
-  }
-  gl.glDepthMask(depthMask);
-
-  gl.glHint(GL2.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
-
-  // lighting
-  gl.glEnable(GL2.GL_LIGHT0);
-  gl2.glLightfv(GL2.GL_LIGHT0, GL2.GL_AMBIENT, lightAmbBfr);
-  gl2.glLightfv(GL2.GL_LIGHT0, GL2.GL_DIFFUSE, lightDifBfr);
-  gl2.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, lightPosBfr);
-
-  // blending
-  gl.glEnable(GL2.GL_COLOR_MATERIAL);
-  gl2.glColor4f(1.0f, 1.0f, 1.0f, transparency);
-  if (selBlend == 0) {
-    gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE);
-  } 
-  else if (selBlend == 1) {
-    gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
-  }
-
-  gl.glViewport(0, 0, width, height);
-  // setup projection matrix
-  gl2.glMatrixMode(GL2.GL_PROJECTION);
-  gl2.glLoadIdentity();
-  glu.gluPerspective(45.0f, (float)width / (float)height, 1.0f, 100.0f);    
-
-  gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
-  gl2.glMatrixMode(GL2.GL_MODELVIEW);
-  gl2.glLoadIdentity(); 
-
-  // update lighting
-  if (lighting) {
-    gl.glEnable(GL2.GL_LIGHTING);
-  } 
-  else {
-    gl.glDisable(GL2.GL_LIGHTING);
-  }
-
-  // update blending
-  if (blending) {
-    gl.glEnable(GL.GL_BLEND);
-    gl.glDisable(GL.GL_CULL_FACE);
-  } 
-  else {
-    gl.glDisable(GL.GL_BLEND);
-    gl.glEnable(GL.GL_CULL_FACE);
-  }
-
-  gl2.glTranslatef(0, 0, -6);
-  gl2.glRotatef(xRot, 1, 0, 0);
-  gl2.glRotatef(yRot, 0, 1, 0);
-
-  if (texturing) {
-    gl.glEnable(GL.GL_TEXTURE_2D);
-    gl.glBindTexture(GL.GL_TEXTURE_2D, texturesBuffer.get(selFilter));
-  }
-  gl2.glEnableClientState(GL2.GL_VERTEX_ARRAY);
-  gl2.glEnableClientState(GL2.GL_NORMAL_ARRAY);
-  if (texturing) gl2.glEnableClientState(GL2.GL_TEXTURE_COORD_ARRAY);
-  for (int i = 0; i < 6; i++) // draw each face
-  {
-    gl2.glVertexPointer(3, GL.GL_FLOAT, 0, cubeVertexBfr[i]);
-    if (texturing) gl2.glTexCoordPointer(2, GL.GL_FLOAT, 0, cubeTextureBfr[i]);
-    gl2.glNormalPointer(GL.GL_FLOAT, 0, cubeNormalBfr[i]);
-    gl2.glDrawArrays(GL.GL_TRIANGLE_FAN, 0, 4);
-  }
-  gl2.glDisableClientState(GL2.GL_VERTEX_ARRAY);
-  gl2.glDisableClientState(GL2.GL_NORMAL_ARRAY);
-  if (texturing) {
-    gl2.glDisableClientState(GL2.GL_TEXTURE_COORD_ARRAY);
-    gl.glDisable(GL.GL_TEXTURE_2D);
-  }
-
-  // update rotations
-  xRot += xSpeed;
-  yRot += ySpeed;
-
-  pgl.endGL();
-}
-
-void makeRGBTexture(GL gl, GLUgl2 glu, Texture img, int target, boolean mipmapped) {
-  if (mipmapped) {
-    glu.gluBuild2DMipmaps(target, GL.GL_RGB8, img.getWidth(), img.getHeight(), GL.GL_RGB, GL.GL_UNSIGNED_BYTE, img.getPixels());
-  } else {
-    gl.glTexImage2D(target, 0, GL.GL_RGB, img.getWidth(), img.getHeight(), 0, GL.GL_RGB, GL.GL_UNSIGNED_BYTE, img.getPixels());
-  }
-}
diff --git a/java/libraries/opengl/examples/LowLevel/Nehe/Texture.pde b/java/libraries/opengl/examples/LowLevel/Nehe/Texture.pde
deleted file mode 100755
index 67b09712c..000000000
--- a/java/libraries/opengl/examples/LowLevel/Nehe/Texture.pde
+++ /dev/null
@@ -1,82 +0,0 @@
-import javax.imageio.ImageIO;
-import java.awt.image.BufferedImage;
-import java.awt.image.PixelGrabber;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-
-Texture readTexture(String filename) throws IOException {
-  return readTexture(filename, false);
-}
-
-Texture readTexture(String filename, boolean storeAlphaChannel) throws IOException {
-  BufferedImage bufferedImage;
-  if (filename.endsWith(".bmp")) {
-    bufferedImage = loadBitmap(filename);
-  } 
-  else {
-    bufferedImage = readImage(filename);
-  }
-  return readPixels(bufferedImage, storeAlphaChannel);
-}
-
-BufferedImage readImage(String resourceName) throws IOException {
-  return ImageIO.read(createInput(resourceName));
-}
-
-Texture readPixels(BufferedImage img, boolean storeAlphaChannel) {
-  int[] packedPixels = new int[img.getWidth() * img.getHeight()];
-
-  PixelGrabber pixelgrabber = new PixelGrabber(img, 0, 0, img.getWidth(), img.getHeight(), packedPixels, 0, img.getWidth());
-  try {
-    pixelgrabber.grabPixels();
-  } 
-  catch (InterruptedException e) {
-    throw new RuntimeException();
-  }
-
-  int bytesPerPixel = storeAlphaChannel ? 4 : 3;
-  //ByteBuffer unpackedPixels = BufferUtil.newByteBuffer(packedPixels.length * bytesPerPixel);
-  ByteBuffer unpackedPixels = ByteBuffer.allocate(packedPixels.length * bytesPerPixel);
-
-  for (int row = img.getHeight() - 1; row >= 0; row--) {
-    for (int col = 0; col < img.getWidth(); col++) {
-      int packedPixel = packedPixels[row * img.getWidth() + col];
-      unpackedPixels.put((byte) ((packedPixel >> 16) & 0xFF));
-      unpackedPixels.put((byte) ((packedPixel >> 8) & 0xFF));
-      unpackedPixels.put((byte) ((packedPixel >> 0) & 0xFF));
-      if (storeAlphaChannel) {
-        unpackedPixels.put((byte) ((packedPixel >> 24) & 0xFF));
-      }
-    }
-  }
-
-  unpackedPixels.flip();
-
-
-  return new Texture(unpackedPixels, img.getWidth(), img.getHeight());
-}
-
-class Texture {
-  ByteBuffer pixels;
-  int width;
-  int height;
-
-  public Texture(ByteBuffer pixels, int width, int height) {
-    this.height = height;
-    this.pixels = pixels;
-    this.width = width;
-  }
-
-  public int getHeight() {
-    return height;
-  }
-
-  public ByteBuffer getPixels() {
-    return pixels;
-  }
-
-  public int getWidth() {
-    return width;
-  }
-}
-
diff --git a/java/libraries/opengl/examples/LowLevel/Nehe/VertData.pde b/java/libraries/opengl/examples/LowLevel/Nehe/VertData.pde
deleted file mode 100755
index f6f813b4d..000000000
--- a/java/libraries/opengl/examples/LowLevel/Nehe/VertData.pde
+++ /dev/null
@@ -1,147 +0,0 @@
-float[][] cubeVertexCoords = new float[][] {
-  new float[] { // top
-    1, 1,-1,
-    -1, 1,-1,
-    -1, 1, 1,
-    1, 1, 1
-  }
-  ,
-  new float[] { // bottom
-    1,-1, 1,
-    -1,-1, 1,
-    -1,-1,-1,
-    1,-1,-1
-  }
-  ,
-  new float[] { // front
-    1, 1, 1,
-    -1, 1, 1,
-    -1,-1, 1,
-    1,-1, 1
-  }
-  ,
-  new float[] { // back
-    1,-1,-1,
-    -1,-1,-1,
-    -1, 1,-1,
-    1, 1,-1
-  }
-  ,
-  new float[] { // left
-    -1, 1, 1,
-    -1, 1,-1,
-    -1,-1,-1,
-    -1,-1, 1
-  }
-  ,
-  new float[] { // right
-    1, 1,-1,
-    1, 1, 1,
-    1,-1, 1,
-    1,-1,-1
-  }
-  ,
-};
-
-float[][] cubeNormalCoords = new float[][] {
-  new float[] { // top
-    0, 1, 0,
-    0, 1, 0,
-    0, 1, 0,
-    0, 1, 0
-  }
-  ,
-  new float[] { // bottom
-    0,-1, 0,
-    0,-1, 0,
-    0,-1, 0,
-    0,-1, 0
-  }
-  ,
-  new float[] { // front
-    0, 0, 1,
-    0, 0, 1,
-    0, 0, 1,
-    0, 0, 1
-  }
-  ,
-  new float[] { // back
-    0, 0,-1,
-    0, 0,-1,
-    0, 0,-1,
-    0, 0,-1
-  }
-  ,
-  new float[] { // left
-    -1, 0, 0,
-    -1, 0, 0,
-    -1, 0, 0,
-    -1, 0, 0
-  }
-  ,
-  new float[] { // right
-    1, 0, 0,
-    1, 0, 0,
-    1, 0, 0,
-    1, 0, 0
-  }
-  ,
-};
-
-float[][] cubeTextureCoords = new float[][] {
-  new float[] { // top
-    1, 0,
-    1, 1,
-    0, 1,
-    0, 0
-  }
-  ,
-  new float[] { // bottom
-    0, 0,
-    1, 0,
-    1, 1,
-    0, 1
-  }
-  ,
-  new float[] { // front
-    1, 1,
-    0, 1,
-    0, 0,
-    1, 0
-  }
-  ,
-  new float[] { // back
-    0, 1,
-    0, 0,
-    1, 0,
-    1, 1
-  }
-  ,
-  new float[] { // left
-    1, 1,
-    0, 1,
-    0, 0,
-    1, 0
-  }
-  ,
-  new float[] { // right
-    0, 1,
-    0, 0,
-    1, 0,
-    1, 1
-  }
-  ,
-};  
-
-float lightAmb[]= {
-  0.5f, 0.5f, 0.5f, 1.0f
-};
-
-float lightDif[]= {
-  1.0f, 1.0f, 1.0f, 1.0f
-};
-
-float lightPos[]= {
-  0.0f, 0.0f, 2.0f, 1.0f
-};
-
diff --git a/java/libraries/opengl/examples/LowLevel/Nehe/data/glass.bmp b/java/libraries/opengl/examples/LowLevel/Nehe/data/glass.bmp
deleted file mode 100755
index 1acf06425..000000000
Binary files a/java/libraries/opengl/examples/LowLevel/Nehe/data/glass.bmp and /dev/null differ
diff --git a/java/libraries/opengl/examples/Performance/CubicGridImmediate/CubicGridImmediate.pde b/java/libraries/opengl/examples/Performance/CubicGridImmediate/CubicGridImmediate.pde
index f9cb7f987..e505c1f0d 100644
--- a/java/libraries/opengl/examples/Performance/CubicGridImmediate/CubicGridImmediate.pde
+++ b/java/libraries/opengl/examples/Performance/CubicGridImmediate/CubicGridImmediate.pde
@@ -25,8 +25,9 @@ void draw() {
   background(255);
   
   hint(DISABLE_DEPTH_TEST);
-  
+    
   // Center and spin grid
+  pushMatrix();
   translate(width/2, height/2, -depth);
   rotateY(frameCount * 0.01);
   rotateX(frameCount * 0.01);
@@ -46,6 +47,7 @@ void draw() {
       }
     }
   }
+  popMatrix();
   
   fcount += 1;
   int m = millis();
@@ -55,5 +57,6 @@ void draw() {
     lastm = m;
     println("fps: " + frate); 
   }
-}
-
+  fill(0);
+  text("fps: " + frate, 10, 20);  
+}
\ No newline at end of file
diff --git a/java/libraries/opengl/examples/Performance/CubicGridRetained/CubicGridRetained.pde b/java/libraries/opengl/examples/Performance/CubicGridRetained/CubicGridRetained.pde
index 8dd1d8f7e..eaea9de87 100644
--- a/java/libraries/opengl/examples/Performance/CubicGridRetained/CubicGridRetained.pde
+++ b/java/libraries/opengl/examples/Performance/CubicGridRetained/CubicGridRetained.pde
@@ -90,11 +90,13 @@ void draw() {
   hint(DISABLE_DEPTH_TEST);
   
   // Center and spin grid
+  pushMatrix();
   translate(width/2, height/2, -depth);
   rotateY(frameCount * 0.01);
   rotateX(frameCount * 0.01);
 
   shape(grid);
+  popMatrix();
   
   fcount += 1;
   int m = millis();
@@ -104,5 +106,6 @@ void draw() {
     lastm = m;
     println("fps: " + frate); 
   } 
+  fill(0);
+  text("fps: " + frate, 10, 20);
 }
-