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Diffstat (limited to 'src/GLSLShaderTest/PhongShadingGLSL.java')
| -rw-r--r-- | src/GLSLShaderTest/PhongShadingGLSL.java | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/src/GLSLShaderTest/PhongShadingGLSL.java b/src/GLSLShaderTest/PhongShadingGLSL.java new file mode 100644 index 0000000..9958dc0 --- /dev/null +++ b/src/GLSLShaderTest/PhongShadingGLSL.java @@ -0,0 +1,448 @@ +/* + * $RCSfile$ + * + * Copyright (c) 2005 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. + * + * $Revision$ + * $Date$ + * $State$ + */ + +import com.sun.j3d.utils.geometry.Sphere; +import com.sun.j3d.utils.shader.StringIO; +import com.sun.j3d.utils.universe.*; +import javax.media.j3d.*; +import javax.vecmath.*; +import java.awt.GraphicsConfiguration; +import java.io.IOException; + +/** + * + * @author kcr + */ +public class PhongShadingGLSL extends javax.swing.JFrame { + + // Constants for type of light to use + private static final int DIRECTIONAL_LIGHT = 0; + private static final int POINT_LIGHT = 1; + private static final int SPOT_LIGHT = 2; + + // Flag indicates type of lights: directional, point, or spot lights. + private static int lightType = DIRECTIONAL_LIGHT; + + private SimpleUniverse u = null; + + private ShaderAppearance sApp = null; + private ShaderProgram gouraudSP = null; + private ShaderProgram phongSP = null; + + public BranchGroup createSceneGraph() { + Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); + Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); + Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f); +// Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f); +// Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f); + Color3f lColor1 = new Color3f(1.0f, 1.0f, 0.5f); + Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); + Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); + + Transform3D t; + + // Create the root of the branch graph + BranchGroup objRoot = new BranchGroup(); + + // Create a Transformgroup to scale all objects so they + // appear in the scene. + TransformGroup objScale = new TransformGroup(); + Transform3D t3d = new Transform3D(); + t3d.setScale(0.5); + objScale.setTransform(t3d); + objRoot.addChild(objScale); + + // Create a bounds for the background and lights + BoundingSphere bounds = + new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); + + // Set up the background + Background bg = new Background(bgColor); + bg.setApplicationBounds(bounds); + objRoot.addChild(bg); + + // 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); + objScale.addChild(objTrans); + + // Create a Sphere object, generate one copy of the sphere, + // and add it into the scene graph. + sApp = new ShaderAppearance(); + sApp.setCapability(ShaderAppearance.ALLOW_SHADER_PROGRAM_WRITE); + Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); + sApp.setMaterial(m); + + // Create Gouraud and Phong shader programs + String vertexProgram = null; + String fragmentProgram = null; + Shader[] shaders = new Shader[2]; + String[] attrNames = { "numLights" }; + + try { + vertexProgram = StringIO.readFully("./gouraud.vert"); + fragmentProgram = StringIO.readFully("./gouraud.frag"); + } + catch (IOException e) { + throw new RuntimeException(e); + } + 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); + gouraudSP = new GLSLShaderProgram(); + gouraudSP.setShaders(shaders); + + try { + vertexProgram = StringIO.readFully("./phong.vert"); + fragmentProgram = StringIO.readFully("./phong.frag"); + } + catch (IOException e) { + throw new RuntimeException(e); + } + 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); + phongSP = new GLSLShaderProgram(); + phongSP.setShaders(shaders); + + if (gouraudButton.isSelected()) { + sApp.setShaderProgram(gouraudSP); + } else if (phongButton.isSelected()) { + sApp.setShaderProgram(phongSP); + } + Sphere sph = new Sphere(1.0f, Sphere.GENERATE_NORMALS, 30, sApp); + 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(); + yAxis.rotZ(Math.PI); + Alpha rotationAlpha = new Alpha(-1, 10000); + + RotationInterpolator rotator = + new RotationInterpolator(rotationAlpha, objTrans, yAxis, + 0.0f, (float) Math.PI*2.0f); + rotator.setSchedulingBounds(bounds); + objRoot.addChild(rotator); + + // Create the transform group node for the each light and initialize + // it to the identity. Enable the TRANSFORM_WRITE capability so that + // our behavior code can modify it at runtime. Add them to the root + // of the subgraph. + TransformGroup l1RotTrans = new TransformGroup(); + l1RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + objScale.addChild(l1RotTrans); + + TransformGroup l2RotTrans = new TransformGroup(); + l2RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); + objScale.addChild(l2RotTrans); + + // Create transformations for the positional lights + t = new Transform3D(); + Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0); + t.set(lPos1); + TransformGroup l1Trans = new TransformGroup(t); + l1RotTrans.addChild(l1Trans); + +// t = new Transform3D(); +// Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0); +// t.set(lPos2); +// TransformGroup l2Trans = new TransformGroup(t); +// l2RotTrans.addChild(l2Trans); + + // Create Geometry for point lights + ColoringAttributes caL1 = new ColoringAttributes(); +// ColoringAttributes caL2 = new ColoringAttributes(); + caL1.setColor(lColor1); +// caL2.setColor(lColor2); + Appearance appL1 = new Appearance(); +// Appearance appL2 = new Appearance(); + appL1.setColoringAttributes(caL1); +// appL2.setColoringAttributes(caL2); + l1Trans.addChild(new Sphere(0.05f, appL1)); +// l2Trans.addChild(new Sphere(0.05f, appL2)); + + // Create lights + AmbientLight aLgt = new AmbientLight(alColor); + + Light lgt1 = null; +// Light lgt2 = null; + + Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); + Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); + Vector3f lDirect1 = new Vector3f(lPos1); +// Vector3f lDirect2 = new Vector3f(lPos2); + lDirect1.negate(); +// lDirect2.negate(); + + switch (lightType) { + case DIRECTIONAL_LIGHT: + lgt1 = new DirectionalLight(lColor1, lDirect1); +// lgt2 = new DirectionalLight(lColor2, lDirect2); + break; + case POINT_LIGHT: + assert false : "can't get here"; + lgt1 = new PointLight(lColor1, lPoint, atten); +// lgt2 = new PointLight(lColor2, lPoint, atten); + break; + case SPOT_LIGHT: + assert false : "can't get here"; + lgt1 = new SpotLight(lColor1, lPoint, atten, lDirect1, + 25.0f * (float)Math.PI / 180.0f, 10.0f); +// lgt2 = new SpotLight(lColor2, lPoint, atten, lDirect2, +// 25.0f * (float)Math.PI / 180.0f, 10.0f); + break; + } + + // Set the influencing bounds + aLgt.setInfluencingBounds(bounds); + lgt1.setInfluencingBounds(bounds); +// lgt2.setInfluencingBounds(bounds); + + // Add the lights into the scene graph + objScale.addChild(aLgt); + l1Trans.addChild(lgt1); +// l2Trans.addChild(lgt2); + + // Create a new Behavior object that will perform the desired + // operation on the specified transform object and add it into the + // scene graph. + yAxis = new Transform3D(); + Alpha rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, + 0, 0, + 4000, 0, 0, + 0, 0, 0); + RotationInterpolator rotator1 = + new RotationInterpolator(rotor1Alpha, + l1RotTrans, + yAxis, + 0.0f, (float) Math.PI*2.0f); + rotator1.setSchedulingBounds(bounds); + l1RotTrans.addChild(rotator1); + + // Create a new Behavior object that will perform the desired + // operation on the specified transform object and add it into the + // scene graph. + Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, + 0, 0, + 1000, 0, 0, + 0, 0, 0); + RotationInterpolator rotator2 = + new RotationInterpolator(rotor2Alpha, + l2RotTrans, + yAxis, + 0.0f, 0.0f); + bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0); + rotator2.setSchedulingBounds(bounds); + l2RotTrans.addChild(rotator2); + + return objRoot; + } + + private Canvas3D initScene() { + GraphicsConfiguration config = + SimpleUniverse.getPreferredConfiguration(); + + Canvas3D c = new Canvas3D(config); + + u = new SimpleUniverse(c); + + // This will move the ViewPlatform back a bit so the + // objects in the scene can be viewed. + u.getViewingPlatform().setNominalViewingTransform(); + + BranchGroup scene = createSceneGraph(); + u.addBranchGraph(scene); + + return c; + } + + /** + * Creates new form PhongShadingGLSL + */ + public PhongShadingGLSL() { + // 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() { + java.awt.GridBagConstraints gridBagConstraints; + + shaderButtonGroup = new javax.swing.ButtonGroup(); + guiPanel = new javax.swing.JPanel(); + jPanel1 = new javax.swing.JPanel(); + gouraudButton = new javax.swing.JRadioButton(); + phongButton = new javax.swing.JRadioButton(); + drawingPanel = new javax.swing.JPanel(); + jMenuBar1 = new javax.swing.JMenuBar(); + fileMenu = new javax.swing.JMenu(); + exitMenuItem = new javax.swing.JMenuItem(); + + setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); + setTitle("Phong Shading Test"); + guiPanel.setLayout(new java.awt.GridBagLayout()); + + jPanel1.setLayout(new java.awt.GridBagLayout()); + + jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Shader")); + shaderButtonGroup.add(gouraudButton); + gouraudButton.setSelected(true); + gouraudButton.setText("Per-Vertex Lighting (Gouraud)"); + gouraudButton.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0)); + gouraudButton.setMargin(new java.awt.Insets(0, 0, 0, 0)); + gouraudButton.addActionListener(new java.awt.event.ActionListener() { + public void actionPerformed(java.awt.event.ActionEvent evt) { + gouraudButtonActionPerformed(evt); + } + }); + + gridBagConstraints = new java.awt.GridBagConstraints(); + gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; + gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2); + jPanel1.add(gouraudButton, gridBagConstraints); + + shaderButtonGroup.add(phongButton); + phongButton.setText("Per-Pixel Lighting (Phong)"); + phongButton.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0)); + phongButton.setMargin(new java.awt.Insets(0, 0, 0, 0)); + phongButton.addActionListener(new java.awt.event.ActionListener() { + public void actionPerformed(java.awt.event.ActionEvent evt) { + phongButtonActionPerformed(evt); + } + }); + + gridBagConstraints = new java.awt.GridBagConstraints(); + gridBagConstraints.gridx = 0; + gridBagConstraints.gridy = 1; + gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; + gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2); + jPanel1.add(phongButton, gridBagConstraints); + + gridBagConstraints = new java.awt.GridBagConstraints(); + gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; + gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4); + guiPanel.add(jPanel1, gridBagConstraints); + + getContentPane().add(guiPanel, java.awt.BorderLayout.NORTH); + + drawingPanel.setLayout(new java.awt.BorderLayout()); + + drawingPanel.setPreferredSize(new java.awt.Dimension(500, 500)); + getContentPane().add(drawingPanel, java.awt.BorderLayout.CENTER); + + fileMenu.setText("File"); + exitMenuItem.setText("Exit"); + exitMenuItem.addActionListener(new java.awt.event.ActionListener() { + public void actionPerformed(java.awt.event.ActionEvent evt) { + exitMenuItemActionPerformed(evt); + } + }); + + fileMenu.add(exitMenuItem); + + jMenuBar1.add(fileMenu); + + setJMenuBar(jMenuBar1); + + pack(); + }// </editor-fold>//GEN-END:initComponents + + private void phongButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_phongButtonActionPerformed + sApp.setShaderProgram(phongSP); + }//GEN-LAST:event_phongButtonActionPerformed + + private void gouraudButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_gouraudButtonActionPerformed + sApp.setShaderProgram(gouraudSP); + }//GEN-LAST:event_gouraudButtonActionPerformed + + private void exitMenuItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitMenuItemActionPerformed + System.exit(0); + }//GEN-LAST:event_exitMenuItemActionPerformed + + /** + * @param args the command line arguments + */ + public static void main(String args[]) { + java.awt.EventQueue.invokeLater(new Runnable() { + public void run() { + new PhongShadingGLSL().setVisible(true); + } + }); + } + + // Variables declaration - do not modify//GEN-BEGIN:variables + private javax.swing.JPanel drawingPanel; + private javax.swing.JMenuItem exitMenuItem; + private javax.swing.JMenu fileMenu; + private javax.swing.JRadioButton gouraudButton; + private javax.swing.JPanel guiPanel; + private javax.swing.JMenuBar jMenuBar1; + private javax.swing.JPanel jPanel1; + private javax.swing.JRadioButton phongButton; + private javax.swing.ButtonGroup shaderButtonGroup; + // End of variables declaration//GEN-END:variables + +} |