1 files changed, 241 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/GLPbufferImpl.java b/src/classes/com/sun/opengl/impl/GLPbufferImpl.java
new file mode 100644
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+++ b/src/classes/com/sun/opengl/impl/GLPbufferImpl.java
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2003 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 com.sun.opengl.impl;
+
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.event.*;
+import java.beans.PropertyChangeListener;
+
+import javax.media.opengl.*;
+
+/** Platform-independent class exposing pbuffer functionality to
+    applications. This class is not exposed in the public API as it
+    would probably add no value; however it implements the GLDrawable
+    interface so can be interacted with via its display() method. */
+
+public class GLPbufferImpl implements GLPbuffer {
+  private GLDrawableImpl pbufferDrawable;
+  private GLContextImpl context;
+  private GLDrawableHelper drawableHelper = new GLDrawableHelper();
+  private int floatMode;
+
+  public GLPbufferImpl(GLDrawableImpl pbufferDrawable,
+                       GLContext parentContext) {
+    this.pbufferDrawable = pbufferDrawable;
+    context = (GLContextImpl) pbufferDrawable.createContext(parentContext);
+    context.setSynchronized(true);
+  }
+
+  public GLContext createContext(GLContext shareWith) {
+    return pbufferDrawable.createContext(shareWith);
+  }
+
+  public void setRealized(boolean realized) {
+  }
+
+  public void setSize(int width, int height) {
+    // FIXME
+    throw new GLException("Not yet implemented");
+  }
+
+  public int getWidth() {
+    return pbufferDrawable.getWidth();
+  }
+
+  public int getHeight() {
+    return pbufferDrawable.getHeight();
+  }
+
+  public void display() {
+    maybeDoSingleThreadedWorkaround(displayOnEventDispatchThreadAction,
+                                    displayAction,
+                                    false);
+  }
+
+  public void repaint() {
+    display();
+  }
+
+  public void addGLEventListener(GLEventListener listener) {
+    drawableHelper.addGLEventListener(listener);
+  }
+
+  public void removeGLEventListener(GLEventListener listener) {
+    drawableHelper.removeGLEventListener(listener);
+  }
+
+  public GLContext getContext() {
+    return context;
+  }
+
+  public GLDrawable getDrawable() {
+    return pbufferDrawable;
+  }
+
+  public GL getGL() {
+    return getContext().getGL();
+  }
+
+  public void setGL(GL gl) {
+    getContext().setGL(gl);
+  }
+
+  public void setAutoSwapBufferMode(boolean onOrOff) {
+    drawableHelper.setAutoSwapBufferMode(onOrOff);
+  }
+
+  public boolean getAutoSwapBufferMode() {
+    return drawableHelper.getAutoSwapBufferMode();
+  }
+
+  public void swapBuffers() {
+    maybeDoSingleThreadedWorkaround(swapBuffersOnEventDispatchThreadAction, swapBuffersAction, false);
+  }
+
+  public void bindTexture() {
+    // Doesn't make much sense to try to do this on the event dispatch
+    // thread given that it has to be called while the context is current
+    context.bindPbufferToTexture();
+  }
+
+  public void releaseTexture() {
+    // Doesn't make much sense to try to do this on the event dispatch
+    // thread given that it has to be called while the context is current
+    context.releasePbufferFromTexture();
+  }
+
+  //----------------------------------------------------------------------
+  // No-ops for ComponentEvents
+  //
+
+  public void addComponentListener(ComponentListener l) {}
+  public void removeComponentListener(ComponentListener l) {}
+  public void addFocusListener(FocusListener l) {}
+  public void removeFocusListener(FocusListener l) {}
+  public void addHierarchyBoundsListener(HierarchyBoundsListener l) {}
+  public void removeHierarchyBoundsListener(HierarchyBoundsListener l) {}
+  public void addHierarchyListener(HierarchyListener l) {}
+  public void removeHierarchyListener(HierarchyListener l) {}
+  public void addInputMethodListener(InputMethodListener l) {}
+  public void removeInputMethodListener(InputMethodListener l) {}
+  public void addKeyListener(KeyListener l) {}
+  public void removeKeyListener(KeyListener l) {}
+  public void addMouseListener(MouseListener l) {}
+  public void removeMouseListener(MouseListener l) {}
+  public void addMouseMotionListener(MouseMotionListener l) {}
+  public void removeMouseMotionListener(MouseMotionListener l) {}
+  public void addMouseWheelListener(MouseWheelListener l) {}
+  public void removeMouseWheelListener(MouseWheelListener l) {}
+  public void addPropertyChangeListener(PropertyChangeListener listener) {}
+  public void removePropertyChangeListener(PropertyChangeListener listener) {}
+  public void addPropertyChangeListener(String propertyName,
+                                        PropertyChangeListener listener) {}
+  public void removePropertyChangeListener(String propertyName,
+                                           PropertyChangeListener listener) {}
+
+  public void destroy() {
+    context.destroy();
+    pbufferDrawable.destroy();
+  }
+
+  public int getFloatingPointMode() {
+    if (floatMode == 0) {
+      throw new GLException("Pbuffer not initialized, or floating-point support not requested");
+    }
+    return floatMode;
+  }
+
+  //----------------------------------------------------------------------
+  // Internals only below this point
+  //
+
+  private void maybeDoSingleThreadedWorkaround(Runnable eventDispatchThreadAction,
+                                               Runnable invokeGLAction,
+                                               boolean  isReshape) {
+    if (Threading.isSingleThreaded() &&
+        !Threading.isOpenGLThread()) {
+      Threading.invokeOnOpenGLThread(eventDispatchThreadAction);
+    } else {
+      drawableHelper.invokeGL(pbufferDrawable, context, invokeGLAction, initAction);
+    }
+  }
+
+  class InitAction implements Runnable {
+    public void run() {
+      floatMode = context.getFloatingPointMode();
+      drawableHelper.init(GLPbufferImpl.this);
+    }
+  }
+  private InitAction initAction = new InitAction();
+  
+  class DisplayAction implements Runnable {
+    public void run() {
+      drawableHelper.display(GLPbufferImpl.this);
+    }
+  }
+  private DisplayAction displayAction = new DisplayAction();
+
+  class SwapBuffersAction implements Runnable {
+    // FIXME: currently a no-op
+    public void run() {
+      pbufferDrawable.swapBuffers();
+    }
+  }
+  private SwapBuffersAction swapBuffersAction = new SwapBuffersAction();
+
+  // Workaround for ATI driver bugs related to multithreading issues
+  // like simultaneous rendering via Animators to canvases that are
+  // being resized on the AWT event dispatch thread
+  class DisplayOnEventDispatchThreadAction implements Runnable {
+    public void run() {
+      drawableHelper.invokeGL(pbufferDrawable, context, displayAction, initAction);
+    }
+  }
+  private DisplayOnEventDispatchThreadAction displayOnEventDispatchThreadAction =
+    new DisplayOnEventDispatchThreadAction();
+  class SwapBuffersOnEventDispatchThreadAction implements Runnable {
+    public void run() {
+      drawableHelper.invokeGL(pbufferDrawable, context, swapBuffersAction, initAction);
+    }
+  }
+  private SwapBuffersOnEventDispatchThreadAction swapBuffersOnEventDispatchThreadAction =
+    new SwapBuffersOnEventDispatchThreadAction();
+}