diff options
Diffstat (limited to 'src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java')
| -rw-r--r-- | src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java | 474 |
1 files changed, 240 insertions, 234 deletions
diff --git a/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java b/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java index a59b208..8a0cdfc 100644 --- a/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java +++ b/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java @@ -1,5 +1,5 @@ /* - * Portions Copyright (C) 2003 Sun Microsystems, Inc. + * Portions Copyright (C) 2003-2005 Sun Microsystems, Inc. * All rights reserved. */ @@ -57,10 +57,45 @@ import gleem.linalg.*; Ported to Java by Kenneth Russell */ -public class HWShadowmapsSimple { - private volatile boolean quit; +public class HWShadowmapsSimple implements GLEventListener { + public static void main(String[] args) { + final GLCanvas canvas = GLDrawableFactory.getFactory().createGLCanvas(new GLCapabilities()); + HWShadowmapsSimple demo = new HWShadowmapsSimple(); + canvas.addGLEventListener(demo); + + demo.setDemoListener(new DemoListener() { + public void shutdownDemo() { + runExit(); + } + public void repaint() { + canvas.repaint(); + } + }); + + Frame frame = new Frame("ARB_shadow Shadows"); + frame.setLayout(new BorderLayout()); + canvas.setSize(512, 512); + frame.add(canvas, BorderLayout.CENTER); + frame.pack(); + frame.show(); + canvas.requestFocus(); - private GLCanvas canvas; + frame.addWindowListener(new WindowAdapter() { + public void windowClosing(WindowEvent e) { + runExit(); + } + }); + } + + public void setDemoListener(DemoListener listener) { + demoListener = listener; + } + + //---------------------------------------------------------------------- + // Internals only below this point + // + + private DemoListener demoListener; private GLPbuffer pbuffer; private GLUT glut; @@ -131,254 +166,226 @@ public class HWShadowmapsSimple { private Mat4f spotlightInverseTransform = new Mat4f(); private Mat4f objectTransform = new Mat4f(); - public static void main(String[] args) { - new HWShadowmapsSimple().run(args); - } + public void init(GLAutoDrawable drawable) { + // Use debug pipeline + // drawable.setGL(new DebugGL(drawable.getGL())); - public void run(String[] args) { - canvas = GLDrawableFactory.getFactory().createGLCanvas(new GLCapabilities()); - canvas.addGLEventListener(new Listener()); + GL gl = drawable.getGL(); + GLU glu = drawable.getGLU(); + glut = new GLUT(); - Frame frame = new Frame("ARB_shadow Shadows"); - frame.setLayout(new BorderLayout()); - canvas.setSize(512, 512); - frame.add(canvas, BorderLayout.CENTER); - frame.pack(); - frame.show(); - canvas.requestFocus(); + try { + checkExtension(gl, "GL_ARB_multitexture"); + checkExtension(gl, "GL_ARB_depth_texture"); + checkExtension(gl, "GL_ARB_shadow"); + checkExtension(gl, "GL_ARB_pbuffer"); + checkExtension(gl, "GL_ARB_pixel_format"); + } catch (GLException e) { + e.printStackTrace(); + throw(e); + } + + gl.glClearColor(.5f, .5f, .5f, .5f); - frame.addWindowListener(new WindowAdapter() { - public void windowClosing(WindowEvent e) { - runExit(); - } - }); - } + decal = genTexture(gl); + gl.glBindTexture(GL.GL_TEXTURE_2D, decal); + BufferedImage img = readPNGImage("demos/data/images/decal_image.png"); + makeRGBTexture(gl, glu, img, GL.GL_TEXTURE_2D, true); + gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR); + gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); - //---------------------------------------------------------------------- - // Internals only below this point - // + light_image = genTexture(gl); + gl.glBindTexture(GL.GL_TEXTURE_2D, light_image); + img = readPNGImage("demos/data/images/nvlogo_spot.png"); + makeRGBTexture(gl, glu, img, GL.GL_TEXTURE_2D, true); + gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR); + gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_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); - class Listener implements GLEventListener { + quad = gl.glGenLists(1); + gl.glNewList(quad, GL.GL_COMPILE); + gl.glPushMatrix(); + gl.glRotatef(-90, 1, 0, 0); + gl.glScalef(4,4,4); + gl.glBegin(GL.GL_QUADS); + gl.glNormal3f(0, 0, 1); + gl.glVertex2f(-1, -1); + gl.glVertex2f(-1, 1); + gl.glVertex2f( 1, 1); + gl.glVertex2f( 1, -1); + gl.glEnd(); + gl.glPopMatrix(); + gl.glEndList(); - public void init(GLAutoDrawable drawable) { - // Use debug pipeline - // drawable.setGL(new DebugGL(drawable.getGL())); + wirecube = gl.glGenLists(1); + gl.glNewList(wirecube, GL.GL_COMPILE); + glut.glutWireCube(gl, 2); + gl.glEndList(); - GL gl = drawable.getGL(); - GLU glu = drawable.getGLU(); - glut = new GLUT(); - - try { - checkExtension(gl, "GL_ARB_multitexture"); - checkExtension(gl, "GL_ARB_depth_texture"); - checkExtension(gl, "GL_ARB_shadow"); - checkExtension(gl, "GL_ARB_pbuffer"); - checkExtension(gl, "GL_ARB_pixel_format"); - } catch (GLException e) { - e.printStackTrace(); - throw(e); - } - - gl.glClearColor(.5f, .5f, .5f, .5f); - - decal = genTexture(gl); - gl.glBindTexture(GL.GL_TEXTURE_2D, decal); - BufferedImage img = readPNGImage("demos/data/images/decal_image.png"); - makeRGBTexture(gl, glu, img, GL.GL_TEXTURE_2D, true); - gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR_MIPMAP_LINEAR); - gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_LINEAR); - - light_image = genTexture(gl); - gl.glBindTexture(GL.GL_TEXTURE_2D, light_image); - img = readPNGImage("demos/data/images/nvlogo_spot.png"); - makeRGBTexture(gl, glu, img, GL.GL_TEXTURE_2D, true); - gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_LINEAR); - gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_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); - - quad = gl.glGenLists(1); - gl.glNewList(quad, GL.GL_COMPILE); - gl.glPushMatrix(); - gl.glRotatef(-90, 1, 0, 0); - gl.glScalef(4,4,4); - gl.glBegin(GL.GL_QUADS); - gl.glNormal3f(0, 0, 1); - gl.glVertex2f(-1, -1); - gl.glVertex2f(-1, 1); - gl.glVertex2f( 1, 1); - gl.glVertex2f( 1, -1); - gl.glEnd(); - gl.glPopMatrix(); - gl.glEndList(); - - wirecube = gl.glGenLists(1); - gl.glNewList(wirecube, GL.GL_COMPILE); - glut.glutWireCube(gl, 2); - gl.glEndList(); - - geometry = gl.glGenLists(1); - gl.glNewList(geometry, GL.GL_COMPILE); - gl.glPushMatrix(); - glut.glutSolidTeapot(gl, 0.8f); - gl.glPopMatrix(); - gl.glEndList(); - - gl.glEnable(GL.GL_LIGHT0); - gl.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, light_ambient, 0); - gl.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, light_intensity, 0); - gl.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, light_intensity, 0); + geometry = gl.glGenLists(1); + gl.glNewList(geometry, GL.GL_COMPILE); + gl.glPushMatrix(); + glut.glutSolidTeapot(gl, 0.8f); + gl.glPopMatrix(); + gl.glEndList(); - gl.glEnable(GL.GL_DEPTH_TEST); + gl.glEnable(GL.GL_LIGHT0); + gl.glLightfv(GL.GL_LIGHT0, GL.GL_AMBIENT, light_ambient, 0); + gl.glLightfv(GL.GL_LIGHT0, GL.GL_DIFFUSE, light_intensity, 0); + gl.glLightfv(GL.GL_LIGHT0, GL.GL_SPECULAR, light_intensity, 0); + + gl.glEnable(GL.GL_DEPTH_TEST); - // init pbuffer - GLCapabilities caps = new GLCapabilities(); - caps.setDoubleBuffered(false); + // init pbuffer + GLCapabilities caps = new GLCapabilities(); + caps.setDoubleBuffered(false); - if (!GLDrawableFactory.getFactory().canCreateGLPbuffer(caps, TEX_SIZE, TEX_SIZE)) { - unavailableExtension("Can not create pbuffer"); - } - pbuffer = GLDrawableFactory.getFactory().createGLPbuffer(caps, TEX_SIZE, TEX_SIZE, drawable.getContext()); - pbuffer.addGLEventListener(new PbufferListener()); - - // Register the window with the ManipManager - ManipManager manager = ManipManager.getManipManager(); - manager.registerWindow(drawable); - - object = new HandleBoxManip(); - object.setTranslation(new Vec3f(0, 0.7f, 1.8f)); - object.setGeometryScale(new Vec3f(0.7f, 0.7f, 0.7f)); - manager.showManipInWindow(object, drawable); - - spotlight = new HandleBoxManip(); - spotlight.setScale(new Vec3f(0.5f, 0.5f, 0.5f)); - spotlight.setTranslation(new Vec3f(-0.25f, 2.35f, 5.0f)); - spotlight.setRotation(new Rotf(Vec3f.X_AXIS, (float) Math.toRadians(-30.0f))); - manager.showManipInWindow(spotlight, drawable); - - viewer = new ExaminerViewer(MouseButtonHelper.numMouseButtons()); - viewer.attach(drawable, new BSphereProvider() { - public BSphere getBoundingSphere() { - return new BSphere(object.getTranslation(), 2.0f); - } - }); - viewer.setOrientation(new Rotf(Vec3f.Y_AXIS, (float) Math.toRadians(45.0f)).times - (new Rotf(Vec3f.X_AXIS, (float) Math.toRadians(-15.0f)))); - viewer.setVertFOV((float) Math.toRadians(lightshaper_fovy / 2.0f)); - viewer.setZNear(zNear); - viewer.setZFar(zFar); - - float bias = 1/((float) Math.pow(2.0,16.0)-1); - - tweaks.add(new Tweak("r coordinate scale", 0.5f, bias)); - tweaks.add(new Tweak("r coordinate bias", 0.5f, bias)); - tweaks.add(new Tweak("polygon offset scale", 2.5f, 0.5f)); - tweaks.add(new Tweak("polygon offset bias", 10.0f, 1.0f)); - - drawable.addKeyListener(new KeyAdapter() { - public void keyPressed(KeyEvent e) { - dispatchKey(e.getKeyChar()); - canvas.repaint(); - } - }); + if (!GLDrawableFactory.getFactory().canCreateGLPbuffer(caps, TEX_SIZE, TEX_SIZE)) { + unavailableExtension("Can not create pbuffer"); } - - public void display(GLAutoDrawable drawable) { - viewer.update(); - - // Grab these values once per render to avoid multithreading - // issues with their values being changed by manipulation from - // the AWT thread during the render - CameraParameters params = viewer.getCameraParameters(); - - cameraPerspective.set(params.getProjectionMatrix()); - cameraInverseTransform.set(params.getModelviewMatrix()); - cameraTransform.set(cameraInverseTransform); - cameraTransform.invertRigid(); - spotlightTransform.set(spotlight.getTransform()); - spotlightInverseTransform.set(spotlightTransform); - spotlightInverseTransform.invertRigid(); - objectTransform.set(object.getTransform()); - - if (displayMode == RENDER_SCENE_FROM_CAMERA_VIEW_SHADOWED || !fullyInitialized) { - if (pbuffer != null) { - pbuffer.display(); + if (pbuffer != null) { + pbuffer.destroy(); + pbuffer = null; + } + pbuffer = GLDrawableFactory.getFactory().createGLPbuffer(caps, TEX_SIZE, TEX_SIZE, drawable.getContext()); + pbuffer.addGLEventListener(new PbufferListener()); + + doViewAll = true; + + // Register the window with the ManipManager + ManipManager manager = ManipManager.getManipManager(); + manager.registerWindow(drawable); + + object = new HandleBoxManip(); + object.setTranslation(new Vec3f(0, 0.7f, 1.8f)); + object.setGeometryScale(new Vec3f(0.7f, 0.7f, 0.7f)); + manager.showManipInWindow(object, drawable); + + spotlight = new HandleBoxManip(); + spotlight.setScale(new Vec3f(0.5f, 0.5f, 0.5f)); + spotlight.setTranslation(new Vec3f(-0.25f, 2.35f, 5.0f)); + spotlight.setRotation(new Rotf(Vec3f.X_AXIS, (float) Math.toRadians(-30.0f))); + manager.showManipInWindow(spotlight, drawable); + + viewer = new ExaminerViewer(MouseButtonHelper.numMouseButtons()); + viewer.attach(drawable, new BSphereProvider() { + public BSphere getBoundingSphere() { + return new BSphere(object.getTranslation(), 2.0f); } - } + }); + viewer.setOrientation(new Rotf(Vec3f.Y_AXIS, (float) Math.toRadians(45.0f)).times + (new Rotf(Vec3f.X_AXIS, (float) Math.toRadians(-15.0f)))); + viewer.setVertFOV((float) Math.toRadians(lightshaper_fovy / 2.0f)); + viewer.setZNear(zNear); + viewer.setZFar(zFar); + + float bias = 1/((float) Math.pow(2.0,16.0)-1); + + tweaks.add(new Tweak("r coordinate scale", 0.5f, bias)); + tweaks.add(new Tweak("r coordinate bias", 0.5f, bias)); + tweaks.add(new Tweak("polygon offset scale", 2.5f, 0.5f)); + tweaks.add(new Tweak("polygon offset bias", 10.0f, 1.0f)); + + drawable.addKeyListener(new KeyAdapter() { + public void keyPressed(KeyEvent e) { + dispatchKey(e.getKeyChar()); + demoListener.repaint(); + } + }); + } - if (!fullyInitialized) { - // Repaint again later once everything is set up - canvas.repaint(); - return; + public void display(GLAutoDrawable drawable) { + viewer.update(); + + // Grab these values once per render to avoid multithreading + // issues with their values being changed by manipulation from + // the AWT thread during the render + CameraParameters params = viewer.getCameraParameters(); + + cameraPerspective.set(params.getProjectionMatrix()); + cameraInverseTransform.set(params.getModelviewMatrix()); + cameraTransform.set(cameraInverseTransform); + cameraTransform.invertRigid(); + spotlightTransform.set(spotlight.getTransform()); + spotlightInverseTransform.set(spotlightTransform); + spotlightInverseTransform.invertRigid(); + objectTransform.set(object.getTransform()); + + if (displayMode == RENDER_SCENE_FROM_CAMERA_VIEW_SHADOWED || !fullyInitialized) { + if (pbuffer != null) { + pbuffer.display(); } + } - GL gl = drawable.getGL(); - GLU glu = drawable.getGLU(); - - gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); - - if (doViewAll) { - viewer.viewAll(gl); - doViewAll = false; - // Immediately zap effects - gl.glMatrixMode(GL.GL_PROJECTION); - gl.glLoadIdentity(); - gl.glMatrixMode(GL.GL_MODELVIEW); - gl.glLoadIdentity(); - // Schedule repaint to clean up first bogus frame - canvas.repaint(); - } + if (!fullyInitialized) { + // Repaint again later once everything is set up + demoListener.repaint(); + return; + } - switch (displayMode) { - case RENDER_SCENE_FROM_CAMERA_VIEW: render_scene_from_camera_view(gl, glu, drawable, params); break; - case RENDER_SCENE_FROM_CAMERA_VIEW_SHADOWED: render_scene_from_camera_view_shadowed(gl, glu, drawable, params); break; - case RENDER_SCENE_FROM_LIGHT_VIEW: render_scene_from_light_view(gl, glu); break; - default: throw new RuntimeException("Illegal display mode " + displayMode); - } + GL gl = drawable.getGL(); + GLU glu = drawable.getGLU(); + + gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); + + if (doViewAll) { + viewer.viewAll(gl); + doViewAll = false; + // Immediately zap effects + gl.glMatrixMode(GL.GL_PROJECTION); + gl.glLoadIdentity(); + gl.glMatrixMode(GL.GL_MODELVIEW); + gl.glLoadIdentity(); + // Schedule repaint to clean up first bogus frame + demoListener.repaint(); } - // Unused routines - public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {} - public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {} + switch (displayMode) { + case RENDER_SCENE_FROM_CAMERA_VIEW: render_scene_from_camera_view(gl, glu, drawable, params); break; + case RENDER_SCENE_FROM_CAMERA_VIEW_SHADOWED: render_scene_from_camera_view_shadowed(gl, glu, drawable, params); break; + case RENDER_SCENE_FROM_LIGHT_VIEW: render_scene_from_light_view(gl, glu, drawable); break; + default: throw new RuntimeException("Illegal display mode " + displayMode); + } + } - //---------------------------------------------------------------------- - // Internals only below this point - // + // Unused routines + public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {} + public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {} - private void checkExtension(GL gl, String extensionName) { - if (!gl.isExtensionAvailable(extensionName)) { - String message = "Unable to initialize " + extensionName + " OpenGL extension"; - unavailableExtension(message); - } + private void checkExtension(GL gl, String extensionName) { + if (!gl.isExtensionAvailable(extensionName)) { + String message = "Unable to initialize " + extensionName + " OpenGL extension"; + unavailableExtension(message); } + } - private void unavailableExtension(String message) { - JOptionPane.showMessageDialog(null, message, "Unavailable extension", JOptionPane.ERROR_MESSAGE); - throw new GLException(message); - } + private void unavailableExtension(String message) { + JOptionPane.showMessageDialog(null, message, "Unavailable extension", JOptionPane.ERROR_MESSAGE); + throw new GLException(message); + } - private void dispatchKey(char k) { - switch (k) { - case 27: - case 'q': - runExit(); - break; + private void dispatchKey(char k) { + switch (k) { + case 27: + case 'q': + demoListener.shutdownDemo(); + break; - case 'v': - doViewAll = true; - System.err.println("Forcing viewAll()"); - break; + case 'v': + doViewAll = true; + System.err.println("Forcing viewAll()"); + break; - case ' ': - displayMode = (displayMode + 1) % NUM_DISPLAY_MODES; - System.err.println("Switching to display mode " + displayMode); - break; + case ' ': + displayMode = (displayMode + 1) % NUM_DISPLAY_MODES; + System.err.println("Switching to display mode " + displayMode); + break; - // FIXME: add more key behaviors from original demo + // FIXME: add more key behaviors from original demo - default: - break; - } + default: + break; } } @@ -417,7 +424,7 @@ public class HWShadowmapsSimple { ((Tweak) tweaks.get(POLYGON_OFFSET_BIAS)).val); gl.glEnable(GL.GL_POLYGON_OFFSET_FILL); - render_scene_from_light_view(gl, glu); + render_scene_from_light_view(gl, glu, drawable); gl.glDisable(GL.GL_POLYGON_OFFSET_FILL); @@ -643,7 +650,7 @@ public class HWShadowmapsSimple { gl.glActiveTextureARB(GL.GL_TEXTURE0_ARB); gl.glMatrixMode(GL.GL_PROJECTION); gl.glLoadIdentity(); - gl.glViewport(0, 0, canvas.getWidth(), canvas.getHeight()); + gl.glViewport(0, 0, drawable.getWidth(), drawable.getHeight()); applyTransform(gl, cameraPerspective); gl.glMatrixMode(GL.GL_MODELVIEW); render_scene(gl, cameraTransform, drawable, params); @@ -712,7 +719,7 @@ public class HWShadowmapsSimple { gl.glMatrixMode(GL.GL_PROJECTION); gl.glLoadIdentity(); - gl.glViewport(0, 0, canvas.getWidth(), canvas.getHeight()); + gl.glViewport(0, 0, drawable.getWidth(), drawable.getHeight()); applyTransform(gl, cameraPerspective); gl.glMatrixMode(GL.GL_MODELVIEW); render_scene(gl, cameraTransform, drawable, params); @@ -728,16 +735,15 @@ public class HWShadowmapsSimple { render_light_frustum(gl); } - private void largest_square_power_of_two_viewport(GL gl) { - Dimension dim = canvas.getSize(); - float min = Math.min(dim.width, dim.height); + private void largest_square_power_of_two_viewport(GL gl, GLAutoDrawable drawable) { + float min = Math.min(drawable.getWidth(), drawable.getHeight()); float log2min = (float) Math.log(min) / (float) Math.log(2.0); float pow2 = (float) Math.floor(log2min); int size = 1 << (int) pow2; gl.glViewport(0, 0, size, size); } - private void render_scene_from_light_view(GL gl, GLU glu) { + private void render_scene_from_light_view(GL gl, GLU glu, GLAutoDrawable drawable) { // place light gl.glPushMatrix(); gl.glLoadIdentity(); @@ -771,7 +777,7 @@ public class HWShadowmapsSimple { glu.gluPerspective(lightshaper_fovy, 1, lightshaper_zNear, lightshaper_zFar); gl.glMatrixMode(GL.GL_MODELVIEW); if (displayMode == RENDER_SCENE_FROM_LIGHT_VIEW) - largest_square_power_of_two_viewport(gl); + largest_square_power_of_two_viewport(gl, drawable); render_scene(gl, spotlightTransform, null, null); gl.glActiveTextureARB(GL.GL_TEXTURE1_ARB); @@ -820,7 +826,7 @@ public class HWShadowmapsSimple { return m; } - private void runExit() { + private static void runExit() { // Note: calling System.exit() synchronously inside the draw, // reshape or init callbacks can lead to deadlocks on certain // platforms (in particular, X11) because the JAWT's locking |