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Diffstat (limited to 'src/demos/xtrans/XTDesktopManager.java')
| -rwxr-xr-x | src/demos/xtrans/XTDesktopManager.java | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/demos/xtrans/XTDesktopManager.java b/src/demos/xtrans/XTDesktopManager.java deleted file mode 100755 index 5701d13..0000000 --- a/src/demos/xtrans/XTDesktopManager.java +++ /dev/null @@ -1,206 +0,0 @@ -/* - * 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 or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package demos.xtrans; - -import java.awt.*; -import java.awt.geom.*; -import java.awt.image.*; -import java.beans.*; -import java.nio.*; -import java.util.*; -import javax.swing.*; -import javax.media.opengl.*; -import javax.media.opengl.glu.*; -import com.sun.opengl.impl.*; - -/** A desktop manager implementation supporting accelerated - * transitions of the components on the desktop via OpenGL. This class - * does not need to be instantiated by end users; it is installed - * automatically when an XTDesktopPane is constructed. - * - * @author Kenneth Russell - */ -public class XTDesktopManager extends OffscreenDesktopManager { - private GLContext j2dContext; - private Object j2dContextSurfaceIdentifier; - private int oglTextureId; - private int prevBackBufferWidth; - private int prevBackBufferHeight; - - private int textureTarget = GL.GL_TEXTURE_2D; - - /** Returns the OpenGL texture object ID associated with the - off-screen back buffer for all of the components on the - desktop. */ - public int getOpenGLTextureObject() { - return oglTextureId; - } - - /** Returns a rectangle specifying the OpenGL texture coordinates of - the passed component in the texture object. The x and y - coordinates of the returned rectangle specify the lower left - corner of the component's image. */ - public Rectangle2D getOpenGLTextureCoords(Component c) { - Rectangle rect = getBoundsOnBackBuffer(c); - if (rect == null) { - throw new RuntimeException("Unknown component " + c); - } - double offscreenWidth = getOffscreenBackBufferWidth(); - double offscreenHeight = getOffscreenBackBufferHeight(); - return new Rectangle2D.Double(rect.x / offscreenWidth, - (offscreenHeight - rect.y - rect.height) / offscreenHeight, - rect.width / offscreenWidth, - rect.height / offscreenHeight); - } - - /** Updates the off-screen buffer of this desktop manager and makes - the rendering results available to OpenGL in the form of a - texture object. */ - public void updateOffscreenBuffer(OffscreenDesktopPane parent) { - boolean needsCopy = needsCopyBack(); - boolean hadPrevBackBuffer = false; - super.updateOffscreenBuffer(parent); - Image img = getOffscreenBackBuffer(); - final boolean mustResizeOGLTexture = ((oglTextureId == 0) || - (img == null) || - (prevBackBufferWidth != img.getWidth(null)) || - (prevBackBufferHeight != img.getHeight(null))); - if (needsCopy) { - final Graphics g = getOffscreenGraphics(); - // Capture off-screen buffer contents into OpenGL texture - Java2D.invokeWithOGLContextCurrent(g, new Runnable() { - public void run() { - // Get valid Java2D context - if (j2dContext == null || - j2dContextSurfaceIdentifier != Java2D.getOGLSurfaceIdentifier(g)) { - j2dContext = GLDrawableFactory.getFactory().createExternalGLContext(); - j2dContext.setGL(new DebugGL(j2dContext.getGL())); - j2dContextSurfaceIdentifier = Java2D.getOGLSurfaceIdentifier(g); - } - - j2dContext.makeCurrent(); // No-op - try { - GL gl = j2dContext.getGL(); - - if (oglTextureId == 0) { - // Set up and initialize texture - int[] tmp = new int[1]; - - gl.glGenTextures(1, tmp, 0); - oglTextureId = tmp[0]; - if (oglTextureId == 0) { - throw new RuntimeException("Error generating OpenGL back buffer texture"); - } - assert mustResizeOGLTexture : "Must know we need to resize"; - } - - gl.glBindTexture(textureTarget, oglTextureId); - - int offscreenWidth = getOffscreenBackBufferWidth(); - int offscreenHeight = getOffscreenBackBufferHeight(); - - if (mustResizeOGLTexture) { - prevBackBufferWidth = offscreenWidth; - prevBackBufferHeight = offscreenHeight; - - gl.glTexImage2D(textureTarget, - 0, - GL.GL_RGBA8, - offscreenWidth, - offscreenHeight, - 0, - GL.GL_RGBA, - GL.GL_UNSIGNED_BYTE, - null); - } - - // Copy texture from offscreen buffer - // NOTE: assumes read buffer is set up - // FIXME: could be more efficient by copying only bounding rectangle - - gl.glPixelStorei(GL.GL_UNPACK_SWAP_BYTES, GL.GL_FALSE); - gl.glPixelStorei(GL.GL_PACK_SWAP_BYTES, GL.GL_FALSE); - gl.glPixelStorei(GL.GL_UNPACK_LSB_FIRST, GL.GL_FALSE); - gl.glPixelStorei(GL.GL_PACK_LSB_FIRST, GL.GL_FALSE); - gl.glPixelStorei(GL.GL_UNPACK_ROW_LENGTH, 0); - gl.glPixelStorei(GL.GL_PACK_ROW_LENGTH, 0); - gl.glPixelStorei(GL.GL_UNPACK_SKIP_ROWS, 0); - gl.glPixelStorei(GL.GL_PACK_SKIP_ROWS, 0); - gl.glPixelStorei(GL.GL_UNPACK_SKIP_PIXELS, 0); - gl.glPixelStorei(GL.GL_PACK_SKIP_PIXELS, 0); - gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1); - gl.glPixelStorei(GL.GL_PACK_ALIGNMENT, 1); - gl.glPixelTransferf(GL.GL_RED_SCALE, 1); - gl.glPixelTransferf(GL.GL_GREEN_SCALE, 1); - gl.glPixelTransferf(GL.GL_BLUE_SCALE, 1); - gl.glPixelTransferf(GL.GL_ALPHA_SCALE, 1); - gl.glPixelTransferf(GL.GL_RED_BIAS, 0); - gl.glPixelTransferf(GL.GL_GREEN_BIAS, 0); - gl.glPixelTransferf(GL.GL_BLUE_BIAS, 0); - gl.glPixelTransferf(GL.GL_ALPHA_BIAS, 0); - - // long start = System.currentTimeMillis(); - gl.glCopyTexSubImage2D(textureTarget, - 0, - 0, - 0, - 0, - 0, - offscreenWidth, - offscreenHeight); - // long end = System.currentTimeMillis(); - // System.err.println("glCopyTexSubImage2D " + offscreenWidth + "x" + offscreenHeight + " took " + (end - start) + " ms"); - - } finally { - j2dContext.release(); - } - } - }); - } - } - - // Ideally we would force a repaint only of the 2D bounds of the 3D - // component projected onto the desktop. However for expedience - // we'll currently just repaint the entire desktop to get correct - // results. - protected void repaintPortionOfDesktop(JDesktopPane desktop, Component comp) { - desktop.repaint(); - } -} |