Added a couple of Java 3D Programmable Shader examples.

12 files changed, 1034 insertions, 1 deletions

diff --git a/build.xml b/build.xml
index 1fa3732..2774ff1 100644
--- a/build.xml
+++ b/build.xml
@@ -222,7 +222,21 @@
     </java>
   </target>
 
-  <target name="run.PhongShadingGLSL" depends="init-run">
+  <target name="run.EnvironmentMappingGLSL" depends="init-run">
+    <java fork="true"
+          classname="org.jdesktop.j3d.examples.glsl_shader.EnvironmentMappingGLSL">
+      <classpath refid="run.classpath"/>
+    </java>
+  </target>
+  
+  <target name="run.SamplerTestGLSL" depends="init-run">
+    <java fork="true"
+          classname="org.jdesktop.j3d.examples.glsl_shader.SamplerTestGLSL">
+      <classpath refid="run.classpath"/>
+    </java>
+  </target>
+  
+ <target name="run.PhongShadingGLSL" depends="init-run">
     <java fork="true"
           classname="org.jdesktop.j3d.examples.glsl_shader.PhongShadingGLSL">
       <classpath refid="run.classpath"/>
diff --git a/src/classes/org/jdesktop/j3d/examples/cg_shader/SamplerTestCg.form b/src/classes/org/jdesktop/j3d/examples/cg_shader/SamplerTestCg.form
new file mode 100644
index 0000000..2be0fec
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/cg_shader/SamplerTestCg.form
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<Form version="1.0" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
+  <Properties>
+    <Property name="defaultCloseOperation" type="int" value="3"/>
+    <Property name="title" type="java.lang.String" value="SamplerTestCg"/>
+  </Properties>
+  <SyntheticProperties>
+    <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
+  </SyntheticProperties>
+  <AuxValues>
+    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
+    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
+    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,1,44,0,0,1,-112"/>
+  </AuxValues>
+
+  <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
+  <SubComponents>
+    <Container class="javax.swing.JPanel" name="drawingPanel">
+      <Properties>
+        <Property name="preferredSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
+          <Dimension value="[500, 500]"/>
+        </Property>
+      </Properties>
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
+          <BorderConstraints direction="Center"/>
+        </Constraint>
+      </Constraints>
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
+    </Container>
+  </SubComponents>
+</Form>
diff --git a/src/classes/org/jdesktop/j3d/examples/cg_shader/SamplerTestCg.java b/src/classes/org/jdesktop/j3d/examples/cg_shader/SamplerTestCg.java
new file mode 100644
index 0000000..757b02e
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/cg_shader/SamplerTestCg.java
@@ -0,0 +1,239 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2006 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.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+package org.jdesktop.j3d.examples.cg_shader;
+
+import com.sun.j3d.utils.universe.*;
+import com.sun.j3d.utils.geometry.Sphere;
+import com.sun.j3d.utils.image.TextureLoader;
+import com.sun.j3d.utils.shader.StringIO;
+import javax.media.j3d.*;
+import javax.vecmath.*;
+import java.awt.GraphicsConfiguration;
+import java.io.IOException;
+import java.net.URL;
+import org.jdesktop.j3d.examples.Resources;
+
+public class SamplerTestCg extends javax.swing.JFrame {
+
+    private static String cloudTexName = "resources/images/bg.jpg";
+    private static String earthTexName = "resources/images/earth.jpg";
+    private static String fragmentProgName = "cg_shader/multitex_fp.cg";
+    private URL cloudURL = null;
+    private URL earthURL = null;
+    private static final int CLOUD = 0;
+    private static final int EARTH = 1;
+    
+    SimpleUniverse u = null;
+
+    public BranchGroup createSceneGraph() {
+	// Create the root of the branch graph
+	BranchGroup objRoot = new BranchGroup();
+
+	// Create the TransformGroup node and initialize it to the
+	// identity. Enable the TRANSFORM_WRITE capability so that
+	// our behavior code can modify it at run time. Add it to
+	// the root of the subgraph.
+	TransformGroup objTrans = new TransformGroup();
+	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+	objRoot.addChild(objTrans);
+
+        // Create texture objects
+        cloudURL = Resources.getResource(cloudTexName);
+        Texture cloudTex = new TextureLoader(cloudURL, this).getTexture();
+        earthURL = Resources.getResource(earthTexName);
+        Texture earthTex = new TextureLoader(earthURL, this).getTexture();  
+                
+        // Create the shader program
+	String vertexProgram = null;
+	String fragmentProgram = null;
+	try {
+	    fragmentProgram = StringIO.readFully(Resources.getResource(fragmentProgName));
+	}
+	catch (IOException e) {
+	    System.err.println(e);
+	}
+	Shader[] shaders = new Shader[1];
+	shaders[0] = new SourceCodeShader(Shader.SHADING_LANGUAGE_CG,
+					  Shader.SHADER_TYPE_FRAGMENT,
+					  fragmentProgram);
+        final String[] shaderAttrNames = {
+            "cloudFactor"
+        };
+        final Object[] shaderAttrValues = {
+            new Float(0.6f),
+        };
+	ShaderProgram shaderProgram = new CgShaderProgram();
+	shaderProgram.setShaders(shaders);
+        shaderProgram.setShaderAttrNames(shaderAttrNames);
+        
+        // Create the shader attribute set
+        ShaderAttributeSet shaderAttributeSet = new ShaderAttributeSet();
+        for (int i = 0; i < shaderAttrNames.length; i++) {
+            ShaderAttribute shaderAttribute =
+                    new ShaderAttributeValue(shaderAttrNames[i],  shaderAttrValues[i]);
+            shaderAttributeSet.put(shaderAttribute);
+        }
+
+        // Create shader appearance to hold the shader program and
+        // shader attributes
+	ShaderAppearance app = new ShaderAppearance();
+	app.setShaderProgram(shaderProgram);
+	app.setShaderAttributeSet(shaderAttributeSet);
+
+        // Setup texture coordinate generation
+        Vector4f plane0S = new Vector4f(3.0f, 1.5f, 0.3f, 0.0f);
+        Vector4f plane0T = new Vector4f(1.0f, 2.5f, 0.24f, 0.0f);
+        TexCoordGeneration tcg0 =
+                new TexCoordGeneration(TexCoordGeneration.OBJECT_LINEAR,
+                TexCoordGeneration.TEXTURE_COORDINATE_2, plane0S, plane0T);
+
+        // Setup texture coordinate generation
+        TexCoordGeneration tcg1 =
+                new TexCoordGeneration(TexCoordGeneration.SPHERE_MAP,
+                TexCoordGeneration.TEXTURE_COORDINATE_2);
+
+        // Put the textures in unit 0,1
+        TextureUnitState[] tus = new TextureUnitState[2];
+        tus[CLOUD] = new TextureUnitState();
+        tus[CLOUD].setTexture(cloudTex);
+        tus[CLOUD].setTexCoordGeneration(tcg0);
+        tus[EARTH] = new TextureUnitState();
+        tus[EARTH].setTexture(earthTex);
+        tus[EARTH].setTexCoordGeneration(tcg1);
+        app.setTextureUnitState(tus);
+        
+	// Create a Sphere object using the shader appearance,
+	// and add it into the scene graph.
+        Sphere sph = new Sphere(0.4f, Sphere.GENERATE_NORMALS, 30, app);
+	objTrans.addChild(sph);
+
+	// Create a new Behavior object that will perform the
+	// desired operation on the specified transform and add
+	// it into the scene graph.
+	Transform3D yAxis = new Transform3D();
+	Alpha rotationAlpha = new Alpha(-1, 4000);
+
+	RotationInterpolator rotator =
+	    new RotationInterpolator(rotationAlpha, objTrans, yAxis,
+				     0.0f, (float) Math.PI*2.0f);
+	BoundingSphere bounds =
+	    new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+	rotator.setSchedulingBounds(bounds);
+	objRoot.addChild(rotator);
+
+        // Have Java 3D perform optimizations on this scene graph.
+        //objRoot.compile();
+
+	return objRoot;
+    }
+
+    private Canvas3D initScene() {
+	GraphicsConfiguration config =
+	    SimpleUniverse.getPreferredConfiguration();
+
+	Canvas3D c = new Canvas3D(config);
+
+	BranchGroup scene = createSceneGraph();
+	u = new SimpleUniverse(c);
+
+	ViewingPlatform viewingPlatform = u.getViewingPlatform();
+	// This will move the ViewPlatform back a bit so the
+	// objects in the scene can be viewed.
+	viewingPlatform.setNominalViewingTransform();
+
+	u.addBranchGraph(scene);
+
+	return c;
+    }
+
+    /**
+     * Creates new form SamplerTestCg
+     */
+    public SamplerTestCg() {
+	// Initialize the GUI components
+        initComponents();
+
+	// Create the scene and add the Canvas3D to the drawing panel
+	Canvas3D c = initScene();
+	drawingPanel.add(c, java.awt.BorderLayout.CENTER);
+    }
+
+    // ----------------------------------------------------------------
+    
+    /** This method is called from within the constructor to
+     * initialize the form.
+     * WARNING: Do NOT modify this code. The content of this method is
+     * always regenerated by the Form Editor.
+     */
+    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
+    private void initComponents() {
+        drawingPanel = new javax.swing.JPanel();
+
+        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
+        setTitle("SamplerTestCg");
+        drawingPanel.setLayout(new java.awt.BorderLayout());
+
+        drawingPanel.setPreferredSize(new java.awt.Dimension(500, 500));
+        getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER);
+
+        pack();
+    }// </editor-fold>//GEN-END:initComponents
+    
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String args[]) {
+        java.awt.EventQueue.invokeLater(new Runnable() {
+            public void run() {
+                new SamplerTestCg().setVisible(true);
+            }
+        });
+    }
+    
+    // Variables declaration - do not modify//GEN-BEGIN:variables
+    private javax.swing.JPanel drawingPanel;
+    // End of variables declaration//GEN-END:variables
+    
+}
diff --git a/src/classes/org/jdesktop/j3d/examples/cg_shader/multitex_fp.cg b/src/classes/org/jdesktop/j3d/examples/cg_shader/multitex_fp.cg
new file mode 100644
index 0000000..400a252
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/cg_shader/multitex_fp.cg
@@ -0,0 +1,56 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2006 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.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+float4 main(float2 tc0 : TEXCOORD0,
+            float2 tc1: TEXCOORD1,
+            uniform float cloudFactor,
+            uniform sampler2D earthTex : TEXUNIT1,
+            uniform sampler2D cloudTex : TEXUNIT0): COLOR
+{
+    float3 color0 = tex2D(cloudTex, tc0).rgb;
+    float3 color1 = tex2D(earthTex, tc1).rgb;
+    float3 finalColor = color0*cloudFactor + color1;
+
+    return float4(finalColor, 1.0);
+}
diff --git a/src/classes/org/jdesktop/j3d/examples/glsl_shader/EnvironmentMappingGLSL.form b/src/classes/org/jdesktop/j3d/examples/glsl_shader/EnvironmentMappingGLSL.form
new file mode 100644
index 0000000..b6a3e94
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/glsl_shader/EnvironmentMappingGLSL.form
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<Form version="1.0" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
+  <Properties>
+    <Property name="defaultCloseOperation" type="int" value="3"/>
+    <Property name="title" type="java.lang.String" value="EnvironmentMappingGLSL"/>
+  </Properties>
+  <SyntheticProperties>
+    <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
+  </SyntheticProperties>
+  <AuxValues>
+    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
+    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
+    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,1,44,0,0,1,-112"/>
+  </AuxValues>
+
+  <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
+  <SubComponents>
+    <Container class="javax.swing.JPanel" name="drawingPanel">
+      <Properties>
+        <Property name="preferredSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
+          <Dimension value="[500, 500]"/>
+        </Property>
+      </Properties>
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
+          <BorderConstraints direction="Center"/>
+        </Constraint>
+      </Constraints>
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
+    </Container>
+  </SubComponents>
+</Form>
diff --git a/src/classes/org/jdesktop/j3d/examples/glsl_shader/EnvironmentMappingGLSL.java b/src/classes/org/jdesktop/j3d/examples/glsl_shader/EnvironmentMappingGLSL.java
new file mode 100644
index 0000000..bfada86
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/glsl_shader/EnvironmentMappingGLSL.java
@@ -0,0 +1,226 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2006 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.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+package org.jdesktop.j3d.examples.glsl_shader;
+
+import com.sun.j3d.utils.universe.*;
+import com.sun.j3d.utils.geometry.Sphere;
+import com.sun.j3d.utils.image.TextureLoader;
+import com.sun.j3d.utils.shader.StringIO;
+import javax.media.j3d.*;
+import javax.vecmath.*;
+import java.awt.GraphicsConfiguration;
+import java.io.IOException;
+import java.net.URL;
+import org.jdesktop.j3d.examples.Resources;
+
+public class EnvironmentMappingGLSL extends javax.swing.JFrame {
+
+    private URL textureURL = null;
+    private static final int NUM_TEX_UNITS = 1;
+    private static final int TEX_UNIT = 0;
+
+    SimpleUniverse u = null;
+
+    public BranchGroup createSceneGraph() {
+	// Create the root of the branch graph
+	BranchGroup objRoot = new BranchGroup();
+
+	// Create the TransformGroup node and initialize it to the
+	// identity. Enable the TRANSFORM_WRITE capability so that
+	// our behavior code can modify it at run time. Add it to
+	// the root of the subgraph.
+	TransformGroup objTrans = new TransformGroup();
+	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+	objRoot.addChild(objTrans);
+
+        // Create texture object
+        textureURL = Resources.getResource("resources/images/duke-gears.jpg");
+        Texture tex = new TextureLoader(textureURL, this).getTexture();
+        // Create the shader program
+	String vertexProgram = null;
+	String fragmentProgram = null;
+	try {
+	    vertexProgram = StringIO.readFully(Resources.getResource("glsl_shader/envmap.vert"));
+	    fragmentProgram = StringIO.readFully(Resources.getResource("glsl_shader/envmap.frag"));
+	}
+	catch (IOException e) {
+	    System.err.println(e);
+	}
+	Shader[] shaders = new Shader[2];
+	shaders[0] = new SourceCodeShader(Shader.SHADING_LANGUAGE_GLSL,
+					  Shader.SHADER_TYPE_VERTEX,
+					  vertexProgram);
+	shaders[1] = new SourceCodeShader(Shader.SHADING_LANGUAGE_GLSL,
+					  Shader.SHADER_TYPE_FRAGMENT,
+					  fragmentProgram);
+        final String[] shaderAttrNames = {
+            "LightPos",
+            "BaseColor",
+            "MixRatio",
+            "EnvMap",
+        };
+        final Object[] shaderAttrValues = {
+            new Point3f(1.0f, -1.0f, 2.0f),
+            new Color3f(0.2f, 0.9f, 0.5f),
+            new Float(0.4f),
+            new Integer(TEX_UNIT),
+        };
+	ShaderProgram shaderProgram = new GLSLShaderProgram();
+	shaderProgram.setShaders(shaders);
+        shaderProgram.setShaderAttrNames(shaderAttrNames);
+        
+        // Create the shader attribute set
+        ShaderAttributeSet shaderAttributeSet = new ShaderAttributeSet();
+        for (int i = 0; i < shaderAttrNames.length; i++) {
+            ShaderAttribute shaderAttribute =
+                    new ShaderAttributeValue(shaderAttrNames[i],  shaderAttrValues[i]);
+            shaderAttributeSet.put(shaderAttribute);
+        }
+
+        // Create shader appearance to hold the shader program and
+        // shader attributes
+	ShaderAppearance app = new ShaderAppearance();
+	app.setShaderProgram(shaderProgram);
+	app.setShaderAttributeSet(shaderAttributeSet);
+
+        // Put the texture in specified texture unit
+        TextureUnitState[] tus = new TextureUnitState[NUM_TEX_UNITS];
+        tus[TEX_UNIT] = new TextureUnitState();
+        tus[TEX_UNIT].setTexture(tex);
+        app.setTextureUnitState(tus);
+
+	// Create a Sphere object using the shader appearance,
+	// and add it into the scene graph.
+        Sphere sph = new Sphere(0.4f, Sphere.GENERATE_NORMALS, 20, app);
+	objTrans.addChild(sph);
+
+	// Create a new Behavior object that will perform the
+	// desired operation on the specified transform and add
+	// it into the scene graph.
+	Transform3D yAxis = new Transform3D();
+	Alpha rotationAlpha = new Alpha(-1, 4000);
+
+	RotationInterpolator rotator =
+	    new RotationInterpolator(rotationAlpha, objTrans, yAxis,
+				     0.0f, (float) Math.PI*2.0f);
+	BoundingSphere bounds =
+	    new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+	rotator.setSchedulingBounds(bounds);
+	objRoot.addChild(rotator);
+
+        // Have Java 3D perform optimizations on this scene graph.
+        //objRoot.compile();
+
+	return objRoot;
+    }
+
+    private Canvas3D initScene() {
+	GraphicsConfiguration config =
+	    SimpleUniverse.getPreferredConfiguration();
+
+	Canvas3D c = new Canvas3D(config);
+
+	BranchGroup scene = createSceneGraph();
+	u = new SimpleUniverse(c);
+
+	ViewingPlatform viewingPlatform = u.getViewingPlatform();
+	// This will move the ViewPlatform back a bit so the
+	// objects in the scene can be viewed.
+	viewingPlatform.setNominalViewingTransform();
+
+	u.addBranchGraph(scene);
+
+	return c;
+    }
+
+    /**
+     * Creates new form EnvironmentMappingGLSL
+     */
+    public EnvironmentMappingGLSL() {
+	// Initialize the GUI components
+        initComponents();
+
+	// Create the scene and add the Canvas3D to the drawing panel
+	Canvas3D c = initScene();
+	drawingPanel.add(c, java.awt.BorderLayout.CENTER);
+    }
+
+    // ----------------------------------------------------------------
+    
+    /** This method is called from within the constructor to
+     * initialize the form.
+     * WARNING: Do NOT modify this code. The content of this method is
+     * always regenerated by the Form Editor.
+     */
+    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
+    private void initComponents() {
+        drawingPanel = new javax.swing.JPanel();
+
+        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
+        setTitle("EnvironmentMappingGLSL");
+        drawingPanel.setLayout(new java.awt.BorderLayout());
+
+        drawingPanel.setPreferredSize(new java.awt.Dimension(500, 500));
+        getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER);
+
+        pack();
+    }// </editor-fold>//GEN-END:initComponents
+    
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String args[]) {
+        java.awt.EventQueue.invokeLater(new Runnable() {
+            public void run() {
+                new EnvironmentMappingGLSL().setVisible(true);
+            }
+        });
+    }
+    
+    // Variables declaration - do not modify//GEN-BEGIN:variables
+    private javax.swing.JPanel drawingPanel;
+    // End of variables declaration//GEN-END:variables
+    
+}
diff --git a/src/classes/org/jdesktop/j3d/examples/glsl_shader/SamplerTestGLSL.form b/src/classes/org/jdesktop/j3d/examples/glsl_shader/SamplerTestGLSL.form
new file mode 100644
index 0000000..6a1a031
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/glsl_shader/SamplerTestGLSL.form
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<Form version="1.0" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
+  <Properties>
+    <Property name="defaultCloseOperation" type="int" value="3"/>
+    <Property name="title" type="java.lang.String" value="SamplerTestGLSL"/>
+  </Properties>
+  <SyntheticProperties>
+    <SyntheticProperty name="formSizePolicy" type="int" value="1"/>
+  </SyntheticProperties>
+  <AuxValues>
+    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
+    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
+    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
+    <AuxValue name="designerSize" type="java.awt.Dimension" value="-84,-19,0,5,115,114,0,18,106,97,118,97,46,97,119,116,46,68,105,109,101,110,115,105,111,110,65,-114,-39,-41,-84,95,68,20,2,0,2,73,0,6,104,101,105,103,104,116,73,0,5,119,105,100,116,104,120,112,0,0,1,44,0,0,1,-112"/>
+  </AuxValues>
+
+  <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
+  <SubComponents>
+    <Container class="javax.swing.JPanel" name="drawingPanel">
+      <Properties>
+        <Property name="preferredSize" type="java.awt.Dimension" editor="org.netbeans.beaninfo.editors.DimensionEditor">
+          <Dimension value="[500, 500]"/>
+        </Property>
+      </Properties>
+      <Constraints>
+        <Constraint layoutClass="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout" value="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout$BorderConstraintsDescription">
+          <BorderConstraints direction="Center"/>
+        </Constraint>
+      </Constraints>
+
+      <Layout class="org.netbeans.modules.form.compat2.layouts.DesignBorderLayout"/>
+    </Container>
+  </SubComponents>
+</Form>
diff --git a/src/classes/org/jdesktop/j3d/examples/glsl_shader/SamplerTestGLSL.java b/src/classes/org/jdesktop/j3d/examples/glsl_shader/SamplerTestGLSL.java
new file mode 100644
index 0000000..d7fe88f
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/glsl_shader/SamplerTestGLSL.java
@@ -0,0 +1,243 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2006 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.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+package org.jdesktop.j3d.examples.glsl_shader;
+
+import com.sun.j3d.utils.universe.*;
+import com.sun.j3d.utils.geometry.Sphere;
+import com.sun.j3d.utils.image.TextureLoader;
+import com.sun.j3d.utils.shader.StringIO;
+import javax.media.j3d.*;
+import javax.vecmath.*;
+import java.awt.GraphicsConfiguration;
+import java.io.IOException;
+import java.net.URL;
+import org.jdesktop.j3d.examples.Resources;
+
+public class SamplerTestGLSL extends javax.swing.JFrame {
+
+    private static String cloudTexName = "resources/images/bg.jpg";
+    private static String earthTexName = "resources/images/earth.jpg";
+    private static String fragmentProgName = "glsl_shader/multitex.frag";
+    private URL cloudURL = null;
+    private URL earthURL = null;
+    private static final int CLOUD = 0;
+    private static final int EARTH = 1;
+    
+    SimpleUniverse u = null;
+
+    public BranchGroup createSceneGraph() {
+	// Create the root of the branch graph
+	BranchGroup objRoot = new BranchGroup();
+
+	// Create the TransformGroup node and initialize it to the
+	// identity. Enable the TRANSFORM_WRITE capability so that
+	// our behavior code can modify it at run time. Add it to
+	// the root of the subgraph.
+	TransformGroup objTrans = new TransformGroup();
+	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+	objRoot.addChild(objTrans);
+
+        // Create texture objects
+        cloudURL = Resources.getResource(cloudTexName);
+        Texture cloudTex = new TextureLoader(cloudURL, this).getTexture();
+        earthURL = Resources.getResource(earthTexName);
+        Texture earthTex = new TextureLoader(earthURL, this).getTexture();  
+
+        // Create the shader program
+	String vertexProgram = null;
+	String fragmentProgram = null;
+	try {
+	    fragmentProgram = StringIO.readFully(Resources.getResource(fragmentProgName));
+        }
+	catch (IOException e) {
+	    System.err.println(e);
+	}
+	Shader[] shaders = new Shader[1];
+	shaders[0] = new SourceCodeShader(Shader.SHADING_LANGUAGE_GLSL,
+					  Shader.SHADER_TYPE_FRAGMENT,
+					  fragmentProgram);
+        final String[] shaderAttrNames = {
+            "cloudFactor",
+            "cloudTex",
+            "earthTex",
+        };
+        final Object[] shaderAttrValues = {
+            new Float(0.6f),
+            new Integer(0),
+            new Integer(1),
+        };
+	ShaderProgram shaderProgram = new GLSLShaderProgram();
+	shaderProgram.setShaders(shaders);
+        shaderProgram.setShaderAttrNames(shaderAttrNames);
+        
+        // Create the shader attribute set
+        ShaderAttributeSet shaderAttributeSet = new ShaderAttributeSet();
+        for (int i = 0; i < shaderAttrNames.length; i++) {
+            ShaderAttribute shaderAttribute =
+                    new ShaderAttributeValue(shaderAttrNames[i],  shaderAttrValues[i]);
+            shaderAttributeSet.put(shaderAttribute);
+        }
+
+        // Create shader appearance to hold the shader program and
+        // shader attributes
+	ShaderAppearance app = new ShaderAppearance();
+	app.setShaderProgram(shaderProgram);
+	app.setShaderAttributeSet(shaderAttributeSet);
+
+        // Setup texture coordinate generation
+        Vector4f plane0S = new Vector4f(3.0f, 1.5f, 0.3f, 0.0f);
+        Vector4f plane0T = new Vector4f(1.0f, 2.5f, 0.24f, 0.0f);
+        TexCoordGeneration tcg0 =
+                new TexCoordGeneration(TexCoordGeneration.OBJECT_LINEAR,
+                TexCoordGeneration.TEXTURE_COORDINATE_2, plane0S, plane0T);
+
+        // Setup texture coordinate generation
+        TexCoordGeneration tcg1 =
+                new TexCoordGeneration(TexCoordGeneration.SPHERE_MAP,
+                TexCoordGeneration.TEXTURE_COORDINATE_2);
+
+        // Put the textures in unit 0,1
+        TextureUnitState[] tus = new TextureUnitState[2];
+        tus[CLOUD] = new TextureUnitState();
+        tus[CLOUD].setTexture(cloudTex);
+        tus[CLOUD].setTexCoordGeneration(tcg0);
+        tus[EARTH] = new TextureUnitState();
+        tus[EARTH].setTexture(earthTex);
+        tus[EARTH].setTexCoordGeneration(tcg1);
+        app.setTextureUnitState(tus);           
+        
+	// Create a Sphere object using the shader appearance,
+	// and add it into the scene graph.
+        Sphere sph = new Sphere(0.4f, Sphere.GENERATE_NORMALS, 30, app);
+	objTrans.addChild(sph);
+
+	// Create a new Behavior object that will perform the
+	// desired operation on the specified transform and add
+	// it into the scene graph.
+	Transform3D yAxis = new Transform3D();
+	Alpha rotationAlpha = new Alpha(-1, 4000);
+
+	RotationInterpolator rotator =
+	    new RotationInterpolator(rotationAlpha, objTrans, yAxis,
+				     0.0f, (float) Math.PI*2.0f);
+	BoundingSphere bounds =
+	    new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+	rotator.setSchedulingBounds(bounds);
+	objRoot.addChild(rotator);
+
+        // Have Java 3D perform optimizations on this scene graph.
+        //objRoot.compile();
+
+	return objRoot;
+    }
+
+    private Canvas3D initScene() {
+	GraphicsConfiguration config =
+	    SimpleUniverse.getPreferredConfiguration();
+
+	Canvas3D c = new Canvas3D(config);
+
+	BranchGroup scene = createSceneGraph();
+	u = new SimpleUniverse(c);
+
+	ViewingPlatform viewingPlatform = u.getViewingPlatform();
+	// This will move the ViewPlatform back a bit so the
+	// objects in the scene can be viewed.
+	viewingPlatform.setNominalViewingTransform();
+
+	u.addBranchGraph(scene);
+
+	return c;
+    }
+
+    /**
+     * Creates new form SamplerTestGLSL
+     */
+    public SamplerTestGLSL() {
+	// Initialize the GUI components
+        initComponents();
+
+	// Create the scene and add the Canvas3D to the drawing panel
+	Canvas3D c = initScene();
+	drawingPanel.add(c, java.awt.BorderLayout.CENTER);
+    }
+
+    // ----------------------------------------------------------------
+    
+    /** This method is called from within the constructor to
+     * initialize the form.
+     * WARNING: Do NOT modify this code. The content of this method is
+     * always regenerated by the Form Editor.
+     */
+    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
+    private void initComponents() {
+        drawingPanel = new javax.swing.JPanel();
+
+        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
+        setTitle("SamplerTestGLSL");
+        drawingPanel.setLayout(new java.awt.BorderLayout());
+
+        drawingPanel.setPreferredSize(new java.awt.Dimension(500, 500));
+        getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER);
+
+        pack();
+    }// </editor-fold>//GEN-END:initComponents
+    
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String args[]) {
+        java.awt.EventQueue.invokeLater(new Runnable() {
+            public void run() {
+                new SamplerTestGLSL().setVisible(true);
+            }
+        });
+    }
+    
+    // Variables declaration - do not modify//GEN-BEGIN:variables
+    private javax.swing.JPanel drawingPanel;
+    // End of variables declaration//GEN-END:variables
+    
+}
diff --git a/src/classes/org/jdesktop/j3d/examples/glsl_shader/envmap.frag b/src/classes/org/jdesktop/j3d/examples/glsl_shader/envmap.frag
new file mode 100644
index 0000000..3e298f8
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/glsl_shader/envmap.frag
@@ -0,0 +1,61 @@
+//
+// Fragment shader for environment mapping with an
+// equirectangular 2D texture
+//
+// Authors: John Kessenich, Randi Rost
+//
+// Copyright (c) 2002-2004 3Dlabs Inc. Ltd.
+//
+// See 3Dlabs-License.txt for license information
+//
+
+const vec3 Xunitvec = vec3 (1.0, 0.0, 0.0);
+const vec3 Yunitvec = vec3 (0.0, 1.0, 0.0);
+
+uniform vec3  BaseColor;
+uniform float MixRatio;
+
+uniform sampler2D EnvMap;
+
+varying vec3  Normal;
+varying vec3  EyeDir;
+varying float LightIntensity;
+
+void main (void)
+{
+    // Compute reflection vector   
+    vec3 reflectDir = reflect(EyeDir, Normal);
+
+    // Compute altitude and azimuth angles
+
+    vec2 index;
+
+    index.y = dot(normalize(reflectDir), Yunitvec);
+    reflectDir.y = 0.0;
+    index.x = dot(normalize(reflectDir), Xunitvec) * 0.5;
+
+    // Translate index values into proper range
+
+    if (reflectDir.z >= 0.0)
+        index = (index + 1.0) * 0.5;
+    else
+    {
+        index.t = (index.t + 1.0) * 0.5;
+        index.s = (-index.s) * 0.5 + 1.0;
+    }
+    
+    // if reflectDir.z >= 0.0, s will go from 0.25 to 0.75
+    // if reflectDir.z <  0.0, s will go from 0.75 to 1.25, and
+    // that's OK, because we've set the texture to wrap.
+  
+    // Do a lookup into the environment map.
+
+    vec3 envColor = vec3 (texture2D(EnvMap, index));
+
+    // Add lighting to base color and mix
+
+    vec3 base = LightIntensity * BaseColor;
+    envColor = mix(envColor, base, MixRatio);
+
+    gl_FragColor = vec4 (envColor, 1.0);
+}
diff --git a/src/classes/org/jdesktop/j3d/examples/glsl_shader/envmap.vert b/src/classes/org/jdesktop/j3d/examples/glsl_shader/envmap.vert
new file mode 100644
index 0000000..d4e8b44
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/glsl_shader/envmap.vert
@@ -0,0 +1,25 @@
+//
+// Vertex shader for environment mapping with an
+// equirectangular 2D texture
+//
+// Authors: John Kessenich, Randi Rost
+//
+// Copyright (c) 2002-2004 3Dlabs Inc. Ltd.
+//
+// See 3Dlabs-License.txt for license information
+//
+
+varying vec3  Normal;
+varying vec3  EyeDir;
+varying float LightIntensity;
+
+uniform vec3  LightPos;
+
+void main(void) 
+{
+    gl_Position    = ftransform();
+    Normal         = normalize(gl_NormalMatrix * gl_Normal);
+    vec4 pos       = gl_ModelViewMatrix * gl_Vertex;
+    EyeDir         = pos.xyz;
+    LightIntensity = max(dot(normalize(LightPos - EyeDir), Normal), 0.0);
+}
diff --git a/src/classes/org/jdesktop/j3d/examples/glsl_shader/multitex.frag b/src/classes/org/jdesktop/j3d/examples/glsl_shader/multitex.frag
new file mode 100644
index 0000000..b0426cd
--- /dev/null
+++ b/src/classes/org/jdesktop/j3d/examples/glsl_shader/multitex.frag
@@ -0,0 +1,61 @@
+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2006 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.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+uniform float cloudFactor;
+uniform sampler2D earthTex;
+uniform sampler2D cloudTex;
+
+uniform sampler2D EnvMap;
+
+void main (void)
+{
+    vec2  tc0 = gl_TexCoord[0].xy;
+    vec2  tc1 = gl_TexCoord[1].xy;
+
+    vec3 color0 = vec3(texture2D(cloudTex, tc0));
+    vec3 color1 = vec3(texture2D(earthTex, tc1));
+    vec3 finalColor = color0*cloudFactor + color1;
+
+    gl_FragColor = vec4(finalColor, 1.0);
+}
diff --git a/src/resources/images/duke-gears.jpg b/src/resources/images/duke-gears.jpg
new file mode 100644
index 0000000..5b98667
--- /dev/null
+++ b/src/resources/images/duke-gears.jpg