Copied JOGL_2_SANDBOX r1957 on to trunk; JOGL_2_SANDBOX branch is now closed

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851

5 files changed, 547 insertions, 0 deletions

diff --git a/src/jogl/classes/javax/media/opengl/glu/GLUnurbs.java b/src/jogl/classes/javax/media/opengl/glu/GLUnurbs.java
new file mode 100755
index 000000000..2641115d0
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/glu/GLUnurbs.java
@@ -0,0 +1,8 @@
+package javax.media.opengl.glu;
+
+/**
+ * Wrapper for a GLU NURBS object.
+ */
+
+public interface GLUnurbs {
+}
diff --git a/src/jogl/classes/javax/media/opengl/glu/GLUquadric.java b/src/jogl/classes/javax/media/opengl/glu/GLUquadric.java
new file mode 100755
index 000000000..d5a7a11f3
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/glu/GLUquadric.java
@@ -0,0 +1,33 @@
+package javax.media.opengl.glu;
+
+import javax.media.opengl.GL;
+import com.sun.opengl.util.ImmModeSink;
+
+/**
+ * Wrapper for a GLU quadric object.
+ */
+
+public interface GLUquadric {
+    // enable/disables the Immediate Mode Sink module.
+    // This defaults to false for GLUgl2,
+    // and is always true for GLUes1.
+    public void enableImmModeSink(boolean val);
+
+    public boolean isImmModeSinkEnabled();
+
+    // set Immediate Mode usage.
+    // This defaults to false at GLU creation time.
+    // If enabled rendering will happen immediately,
+    // otherwise rendering will be hold in the ImmModeSink
+    // object, to be rendered deferred.
+    public void setImmMode(boolean val);
+
+    public boolean getImmMode();
+
+    // creates a new ImmModeSink (VBO Buffers) and
+    // returns the old vbo buffer with it's rendering result
+    public ImmModeSink replaceImmModeSink();
+
+    // gl may be null, then the GL client states are not disabled
+    public void resetImmModeSink(GL gl);
+}
diff --git a/src/jogl/classes/javax/media/opengl/glu/GLUtessellator.java b/src/jogl/classes/javax/media/opengl/glu/GLUtessellator.java
new file mode 100755
index 000000000..cb7bd9d76
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/glu/GLUtessellator.java
@@ -0,0 +1,66 @@
+/*
+* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc.
+* All rights reserved.
+*/
+
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** NOTE:  The Original Code (as defined below) has been licensed to Sun
+** Microsystems, Inc. ("Sun") under the SGI Free Software License B
+** (Version 1.1), shown above ("SGI License").   Pursuant to Section
+** 3.2(3) of the SGI License, Sun is distributing the Covered Code to
+** you under an alternative license ("Alternative License").  This
+** Alternative License includes all of the provisions of the SGI License
+** except that Section 2.2 and 11 are omitted.  Any differences between
+** the Alternative License and the SGI License are offered solely by Sun
+** and not by SGI.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+** Author: Eric Veach, July 1994
+** Java Port: Pepijn Van Eeckhoudt, July 2003
+** Java Port: Nathan Parker Burg, August 2003
+*/
+package javax.media.opengl.glu;
+
+/**
+ * The <b>GLUtessellator</b> object is used to hold the data, such as the
+ * vertices, edges and callback objects, to describe and tessellate complex
+ * polygons.  A <b>GLUtessellator</b> object is used with the
+ * {@link GLU GLU} tessellator methods and
+ * {@link GLUtessellatorCallback GLU callbacks}.
+ *
+ * @author Eric Veach, July 1994
+ * @author Java Port: Pepijn Van Eechhoudt, July 2003
+ * @author Java Port: Nathan Parker Burg, August 2003
+ */
+public interface GLUtessellator {}
diff --git a/src/jogl/classes/javax/media/opengl/glu/GLUtessellatorCallback.java b/src/jogl/classes/javax/media/opengl/glu/GLUtessellatorCallback.java
new file mode 100755
index 000000000..4b5ec63b7
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/glu/GLUtessellatorCallback.java
@@ -0,0 +1,356 @@
+/*
+* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc.
+* All rights reserved.
+*/
+
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** NOTE:  The Original Code (as defined below) has been licensed to Sun
+** Microsystems, Inc. ("Sun") under the SGI Free Software License B
+** (Version 1.1), shown above ("SGI License").   Pursuant to Section
+** 3.2(3) of the SGI License, Sun is distributing the Covered Code to
+** you under an alternative license ("Alternative License").  This
+** Alternative License includes all of the provisions of the SGI License
+** except that Section 2.2 and 11 are omitted.  Any differences between
+** the Alternative License and the SGI License are offered solely by Sun
+** and not by SGI.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+** Author: Eric Veach, July 1994
+** Java Port: Pepijn Van Eeckhoudt, July 2003
+** Java Port: Nathan Parker Burg, August 2003
+*/
+package javax.media.opengl.glu;
+
+/**
+ * <b>GLUtessellatorCallback</b> interface provides methods that the user will
+ * override to define the callbacks for a tessellation object.
+ *
+ * @author Eric Veach, July 1994
+ * @author Java Port: Pepijn Van Eeckhoudt, July 2003
+ * @author Java Port: Nathan Parker Burg, August 2003
+ */
+public interface GLUtessellatorCallback {
+  /**
+   * The <b>begin</b> callback method is invoked like
+   * {@link javax.media.opengl.GL#glBegin glBegin} to indicate the start of a
+   * (triangle) primitive. The method takes a single argument of type int. If
+   * the <b>GLU_TESS_BOUNDARY_ONLY</b> property is set to <b>GL_FALSE</b>, then
+   * the argument is set to either <b>GL_TRIANGLE_FAN</b>,
+   * <b>GL_TRIANGLE_STRIP</b>, or <b>GL_TRIANGLES</b>. If the
+   * <b>GLU_TESS_BOUNDARY_ONLY</b> property is set to <b>GL_TRUE</b>, then the
+   * argument will be set to <b>GL_LINE_LOOP</b>.
+   *
+   * @param type
+   *        Specifics the type of begin/end pair being defined.  The following
+   *        values are valid:  <b>GL_TRIANGLE_FAN</b>, <b>GL_TRIANGLE_STRIP</b>,
+   *        <b>GL_TRIANGLES</b> or <b>GL_LINE_LOOP</b>.
+   *
+   * @see GLU#gluTessCallback           gluTessCallback
+   * @see #end     end
+   * @see #begin   begin
+   */
+  public void begin(int type);
+
+  /**
+   * The same as the {@link #begin begin} callback method except that
+   * it takes an additional reference argument. This reference is
+   * identical to the opaque reference provided when {@link
+   * GLU#gluTessBeginPolygon gluTessBeginPolygon} was called.
+   *
+   * @param type
+   *        Specifics the type of begin/end pair being defined.  The following
+   *        values are valid:  <b>GL_TRIANGLE_FAN</b>, <b>GL_TRIANGLE_STRIP</b>,
+   *        <b>GL_TRIANGLES</b> or <b>GL_LINE_LOOP</b>.
+   * @param polygonData
+   *        Specifics a reference to user-defined data.
+   *
+   * @see GLU#gluTessCallback           gluTessCallback
+   * @see #endData endData
+   * @see #begin   begin
+   */
+  public void beginData(int type, Object polygonData);
+
+
+  /**
+   * The <b>edgeFlag</b> callback method is similar to
+   * {@link javax.media.opengl.GL#glEdgeFlag glEdgeFlag}. The method takes
+   * a single boolean boundaryEdge that indicates which edges lie on the
+   * polygon boundary. If the boundaryEdge is <b>GL_TRUE</b>, then each vertex
+   * that follows begins an edge that lies on the polygon boundary, that is,
+   * an edge that separates an interior region from an exterior one. If the
+   * boundaryEdge is <b>GL_FALSE</b>, then each vertex that follows begins an
+   * edge that lies in the polygon interior. The edge flag callback (if
+   * defined) is invoked before the first vertex callback.<P>
+   *
+   * Since triangle fans and triangle strips do not support edge flags, the
+   * begin callback is not called with <b>GL_TRIANGLE_FAN</b> or
+   * <b>GL_TRIANGLE_STRIP</b> if a non-null edge flag callback is provided.
+   * (If the callback is initialized to null, there is no impact on
+   * performance). Instead, the fans and strips are converted to independent
+   * triangles.
+   *
+   * @param boundaryEdge
+   *        Specifics which edges lie on the polygon boundary.
+   *
+   * @see GLU#gluTessCallback gluTessCallback
+   * @see #edgeFlagData edgeFlagData
+   */
+  public void edgeFlag(boolean boundaryEdge);
+
+
+  /**
+   * The same as the {@link #edgeFlag edgeFlage} callback method
+   * except that it takes an additional reference argument. This
+   * reference is identical to the opaque reference provided when
+   * {@link GLU#gluTessBeginPolygon gluTessBeginPolygon} was called.
+   *
+   * @param boundaryEdge
+   *        Specifics which edges lie on the polygon boundary.
+   * @param polygonData
+   *        Specifics a reference to user-defined data.
+   *
+   * @see GLU#gluTessCallback            gluTessCallback
+   * @see #edgeFlag edgeFlag
+   */
+  public void edgeFlagData(boolean boundaryEdge, Object polygonData);
+
+
+  /**
+   * The <b>vertex</b> callback method is invoked between the {@link
+   * #begin begin} and {@link #end end} callback methods.  It is
+   * similar to {@link javax.media.opengl.GL#glVertex3f glVertex3f},
+   * and it defines the vertices of the triangles created by the
+   * tessellation process.  The method takes a reference as its only
+   * argument. This reference is identical to the opaque reference
+   * provided by the user when the vertex was described (see {@link
+   * GLU#gluTessVertex gluTessVertex}).
+   *
+   * @param vertexData
+   *        Specifics a reference to the vertices of the triangles created
+   *        by the tessellation process.
+   *
+   * @see GLU#gluTessCallback              gluTessCallback
+   * @see #vertexData vertexData
+   */
+  public void vertex(Object vertexData);
+
+
+  /**
+   * The same as the {@link #vertex vertex} callback method except
+   * that it takes an additional reference argument. This reference is
+   * identical to the opaque reference provided when {@link
+   * GLU#gluTessBeginPolygon gluTessBeginPolygon} was called.
+   *
+   * @param vertexData
+   *        Specifics a reference to the vertices of the triangles created
+   *        by the tessellation process.
+   * @param polygonData
+   *        Specifics a reference to user-defined data.
+   *
+   * @see GLU#gluTessCallback          gluTessCallback
+   * @see #vertex vertex
+   */
+  public void vertexData(Object vertexData, Object polygonData);
+
+
+  /**
+   * The end callback serves the same purpose as
+   * {@link javax.media.opengl.GL#glEnd glEnd}. It indicates the end of a
+   * primitive and it takes no arguments.
+   *
+   * @see GLU#gluTessCallback           gluTessCallback
+   * @see #begin   begin
+   * @see #endData endData
+   */
+  public void end();
+
+
+  /**
+   * The same as the {@link #end end} callback method except that it
+   * takes an additional reference argument. This reference is
+   * identical to the opaque reference provided when {@link
+   * GLU#gluTessBeginPolygon gluTessBeginPolygon} was called.
+   *
+   * @param polygonData
+   *        Specifics a reference to user-defined data.
+   *
+   * @see GLU#gluTessCallback             gluTessCallback
+   * @see #beginData beginData
+   * @see #end       end
+   */
+  public void endData(Object polygonData);
+
+
+  /**
+   * The <b>combine</b> callback method is called to create a new vertex when
+   * the tessellation detects an intersection, or wishes to merge features. The
+   * method takes four arguments: an array of three elements each of type
+   * double, an array of four references, an array of four elements each of
+   * type float, and a reference to a reference.<P>
+   *
+   * The vertex is defined as a linear combination of up to four existing
+   * vertices, stored in <i>data</i>. The coefficients of the linear combination
+   * are given by <i>weight</i>; these weights always add up to 1. All vertex
+   * pointers are valid even when some of the weights are 0. <i>coords</i> gives
+   * the location of the new vertex.<P>
+   *
+   * The user must allocate another vertex, interpolate parameters using
+   * <i>data</i> and <i>weight</i>, and return the new vertex pointer in
+   * <i>outData</i>. This handle is supplied during rendering callbacks. The
+   * user is responsible for freeing the memory some time after
+   * {@link GLU#gluTessEndPolygon gluTessEndPolygon} is
+   * called.<P>
+   *
+   * For example, if the polygon lies in an arbitrary plane in 3-space, and a
+   * color is associated with each vertex, the <b>GLU_TESS_COMBINE</b>
+   * callback might look like this:
+   * </UL>
+   * <PRE>
+   *         void myCombine(double[] coords, Object[] data,
+   *                        float[] weight, Object[] outData)
+   *         {
+   *            MyVertex newVertex = new MyVertex();
+   *
+   *            newVertex.x = coords[0];
+   *            newVertex.y = coords[1];
+   *            newVertex.z = coords[2];
+   *            newVertex.r = weight[0]*data[0].r +
+   *                          weight[1]*data[1].r +
+   *                          weight[2]*data[2].r +
+   *                          weight[3]*data[3].r;
+   *            newVertex.g = weight[0]*data[0].g +
+   *                          weight[1]*data[1].g +
+   *                          weight[2]*data[2].g +
+   *                          weight[3]*data[3].g;
+   *            newVertex.b = weight[0]*data[0].b +
+   *                          weight[1]*data[1].b +
+   *                          weight[2]*data[2].b +
+   *                          weight[3]*data[3].b;
+   *            newVertex.a = weight[0]*data[0].a +
+   *                          weight[1]*data[1].a +
+   *                          weight[2]*data[2].a +
+   *                          weight[3]*data[3].a;
+   *            outData = newVertex;
+   *         }</PRE>
+   *
+   * @param coords
+   *        Specifics the location of the new vertex.
+   * @param data
+   *        Specifics the vertices used to create the new vertex.
+   * @param weight
+   *        Specifics the weights used to create the new vertex.
+   * @param outData
+   *        Reference user the put the coodinates of the new vertex.
+   *
+   * @see GLU#gluTessCallback               gluTessCallback
+   * @see #combineData combineData
+   */
+  public void combine(double[] coords, Object[] data,
+                      float[] weight, Object[] outData);
+
+
+  /**
+   * The same as the {@link #combine combine} callback method except
+   * that it takes an additional reference argument. This reference is
+   * identical to the opaque reference provided when {@link
+   * GLU#gluTessBeginPolygon gluTessBeginPolygon} was called.
+   *
+   * @param coords
+   *        Specifics the location of the new vertex.
+   * @param data
+   *        Specifics the vertices used to create the new vertex.
+   * @param weight
+   *        Specifics the weights used to create the new vertex.
+   * @param outData
+   *        Reference user the put the coodinates of the new vertex.
+   * @param polygonData
+   *        Specifics a reference to user-defined data.
+   *
+   * @see GLU#gluTessCallback           gluTessCallback
+   * @see #combine combine
+   */
+  public void combineData(double[] coords, Object[] data,
+                          float[] weight, Object[] outData,
+                          Object polygonData);
+
+
+  /**
+   * The <b>error</b> callback method is called when an error is encountered.
+   * The one argument is of type int; it indicates the specific error that
+   * occurred and will be set to one of <b>GLU_TESS_MISSING_BEGIN_POLYGON</b>,
+   * <b>GLU_TESS_MISSING_END_POLYGON</b>, <b>GLU_TESS_MISSING_BEGIN_CONTOUR</b>,
+   * <b>GLU_TESS_MISSING_END_CONTOUR</b>, <b>GLU_TESS_COORD_TOO_LARGE</b>,
+   * <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> or <b>GLU_OUT_OF_MEMORY</b>.
+   * Character strings describing these errors can be retrieved with the
+   * {@link GLU#gluErrorString gluErrorString} call.<P>
+   *
+   * The GLU library will recover from the first four errors by inserting the
+   * missing call(s). <b>GLU_TESS_COORD_TOO_LARGE</b> indicates that some
+   * vertex coordinate exceeded the predefined constant
+   * <b>GLU_TESS_MAX_COORD</b> in absolute value, and that the value has been
+   * clamped. (Coordinate values must be small enough so that two can be
+   * multiplied together without overflow.)
+   * <b>GLU_TESS_NEED_COMBINE_CALLBACK</b> indicates that the tessellation
+   * detected an intersection between two edges in the input data, and the
+   * <b>GLU_TESS_COMBINE</b> or <b>GLU_TESS_COMBINE_DATA</b> callback was not
+   * provided. No output is generated. <b>GLU_OUT_OF_MEMORY</b> indicates that
+   * there is not enough memory so no output is generated.
+   *
+   * @param errnum
+   *        Specifics the error number code.
+   *
+   * @see GLU#gluTessCallback             gluTessCallback
+   * @see #errorData errorData
+   */
+  public void error(int errnum);
+
+
+  /**
+   * The same as the {@link #error error} callback method except that
+   * it takes an additional reference argument. This reference is
+   * identical to the opaque reference provided when {@link
+   * GLU#gluTessBeginPolygon gluTessBeginPolygon} was called.
+   *
+   * @param errnum
+   *        Specifics the error number code.
+   * @param polygonData
+   *        Specifics a reference to user-defined data.
+   *
+   * @see GLU#gluTessCallback         gluTessCallback
+   * @see #error error
+   */
+  public void errorData(int errnum, Object polygonData);
+
+  //void mesh(com.sun.opengl.impl.tessellator.GLUmesh mesh);
+}
diff --git a/src/jogl/classes/javax/media/opengl/glu/GLUtessellatorCallbackAdapter.java b/src/jogl/classes/javax/media/opengl/glu/GLUtessellatorCallbackAdapter.java
new file mode 100755
index 000000000..bf6f2d29a
--- /dev/null
+++ b/src/jogl/classes/javax/media/opengl/glu/GLUtessellatorCallbackAdapter.java
@@ -0,0 +1,84 @@
+/*
+* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc.
+* All rights reserved.
+*/
+
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** NOTE:  The Original Code (as defined below) has been licensed to Sun
+** Microsystems, Inc. ("Sun") under the SGI Free Software License B
+** (Version 1.1), shown above ("SGI License").   Pursuant to Section
+** 3.2(3) of the SGI License, Sun is distributing the Covered Code to
+** you under an alternative license ("Alternative License").  This
+** Alternative License includes all of the provisions of the SGI License
+** except that Section 2.2 and 11 are omitted.  Any differences between
+** the Alternative License and the SGI License are offered solely by Sun
+** and not by SGI.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+** Author: Eric Veach, July 1994
+** Java Port: Pepijn Van Eeckhoudt, July 2003
+** Java Port: Nathan Parker Burg, August 2003
+*/
+package javax.media.opengl.glu;
+
+/**
+ * The <b>GLUtessellatorCallbackAdapter</b> provides a default implementation of
+ * {@link GLUtessellatorCallback GLUtessellatorCallback}
+ * with empty callback methods.  This class can be extended to provide user
+ * defined callback methods.
+ *
+ * @author Eric Veach, July 1994
+ * @author Java Port: Pepijn Van Eechhoudt, July 2003
+ * @author Java Port: Nathan Parker Burg, August 2003
+ */
+
+public class GLUtessellatorCallbackAdapter implements GLUtessellatorCallback {
+    public void begin(int type) {}
+    public void edgeFlag(boolean boundaryEdge) {}
+    public void vertex(Object vertexData) {}
+    public void end() {}
+//  public void mesh(com.sun.opengl.impl.tessellator.GLUmesh mesh) {}
+    public void error(int errnum) {}
+    public void combine(double[] coords, Object[] data,
+                            float[] weight, Object[] outData) {}
+    public void beginData(int type, Object polygonData) {}
+    public void edgeFlagData(boolean boundaryEdge,
+                                 Object polygonData) {}
+    public void vertexData(Object vertexData, Object polygonData) {}
+    public void endData(Object polygonData) {}
+    public void errorData(int errnum, Object polygonData) {}
+    public void combineData(double[] coords, Object[] data,
+                                float[] weight, Object[] outData,
+                                Object polygonData) {}
+}