@Override
 public void recycle() {
   mBitmapTexture.recycle();
 }
 @Override
 public int getHeight() {
   return mBitmapTexture.getHeight();
 }
 @Override
 public void draw(GLCanvas canvas, int x, int y, int width, int height) {
   mBitmapTexture.draw(canvas, x, y, width, height);
 }
 @Override
 public int getWidth() {
   return mBitmapTexture.getWidth();
 }