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Diffstat (limited to 'src/demos/cubefbo/FBCubes.java')
| -rwxr-xr-x | src/demos/cubefbo/FBCubes.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/demos/cubefbo/FBCubes.java b/src/demos/cubefbo/FBCubes.java new file mode 100755 index 0000000..c27877d --- /dev/null +++ b/src/demos/cubefbo/FBCubes.java @@ -0,0 +1,174 @@ +/* + * Copyright (c) 2008 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. + * + */ + +package demos.cubefbo; + +import java.awt.event.MouseEvent; +import java.awt.event.MouseListener; +import java.awt.event.MouseMotionListener; +import javax.media.opengl.DebugGL2; +import javax.media.opengl.GL; +import javax.media.opengl.GL2ES1; +import javax.media.opengl.GL2; +import javax.media.opengl.GLAutoDrawable; +import javax.media.opengl.GLEventListener; +import javax.media.opengl.awt.GLCanvas; +import com.sun.opengl.util.FBObject; + + + +class FBCubes implements GLEventListener, MouseListener, MouseMotionListener { + + private static final int FBO_SIZE = 128; + + public FBCubes () { + cubeInner = new CubeObject(false); + cubeMiddle = new CubeObject(true); + cubeOuter = new CubeObject(true); + fbo1 = new FBObject(FBO_SIZE, FBO_SIZE, 0); + fbo2 = new FBObject(FBO_SIZE, FBO_SIZE, 0); + } + + public void init(GLAutoDrawable drawable) { + GL2 gl = drawable.getGL().getGL2(); + // drawable.setGL(new DebugGL2(gl)); + // gl = drawable.getGL().getGL2(); + fbo1.init(gl); + fbo2.init(gl); + } + + int x, y, width, height; + float motionIncr; + float xRot, yRot; + + public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { + this.x = x; + this.y = y; + this.width = width; + this.height = height; + cubeOuter.reshape(drawable.getGL().getGL2(), x, y, width, height); + motionIncr = 180.f / Math.max(width, height); + } + + public void dispose(GLAutoDrawable drawable) { + System.out.println("FBCubes.dispose: "+drawable); + GL2 gl = drawable.getGL().getGL2(); + fbo1.destroy(gl); + fbo2.destroy(gl); + fbo1=null; fbo2=null; + cubeInner.dispose(gl); + cubeInner=null; + cubeMiddle.dispose(gl); + cubeMiddle=null; + cubeOuter.dispose(gl); + cubeOuter=null; + } + + public void display(GLAutoDrawable drawable) { + // System.out.println("display"); + GL2 gl = drawable.getGL().getGL2(); + + fbo1.bind(gl); + cubeInner.reshape(gl, 0, 0, FBO_SIZE, FBO_SIZE); + cubeInner.display(gl, xRot, yRot); + fbo1.unbind(gl); + + FBObject tex = fbo1; + FBObject rend = fbo2; + + int MAX_ITER = 1; + + for (int i = 0; i < MAX_ITER; i++) { + rend.bind(gl); + gl.glEnable (GL.GL_TEXTURE_2D); + gl.glBindTexture(GL.GL_TEXTURE_2D, tex.getTextureName()); // to use it .. + cubeMiddle.reshape(gl, 0, 0, FBO_SIZE, FBO_SIZE); + cubeMiddle.display(gl, xRot, yRot); + gl.glBindTexture(GL.GL_TEXTURE_2D, 0); + gl.glDisable (GL.GL_TEXTURE_2D); + rend.unbind(gl); + FBObject tmp = tex; + tex = rend; + rend = tmp; + } + + // System.out.println("display .. p6"); + cubeOuter.reshape(gl, x, y, width, height); + // System.out.println("display .. p7"); + + gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT); + gl.glClearColor(0, 0, 0, 1); + + gl.glEnable (GL.GL_TEXTURE_2D); + gl.glBindTexture(GL.GL_TEXTURE_2D, tex.getTextureName()); // to use it .. + cubeOuter.display(gl, xRot, yRot); + // System.out.println("display .. p8"); + gl.glBindTexture(GL.GL_TEXTURE_2D, 0); + gl.glDisable (GL.GL_TEXTURE_2D); + } + + public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { + } + + private boolean dragging; + private int lastDragX; + private int lastDragY; + + public void mouseClicked(MouseEvent e) {} + public void mousePressed(MouseEvent e) {} + public void mouseReleased(MouseEvent e) { + dragging = false; + } + public void mouseEntered(MouseEvent e) {} + public void mouseExited(MouseEvent e) {} + public void mouseDragged(MouseEvent e) { + if (!dragging) { + dragging = true; + lastDragX = e.getX(); + lastDragY = e.getY(); + } else { + yRot += (e.getX() - lastDragX) * motionIncr; + xRot += (e.getY() - lastDragY) * motionIncr; + lastDragX = e.getX(); + lastDragY = e.getY(); + } + } + public void mouseMoved(MouseEvent e) {} + + CubeObject cubeInner; + CubeObject cubeMiddle; + CubeObject cubeOuter; + FBObject fbo1; + FBObject fbo2; +} + |