1 files changed, 126 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java b/src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java
new file mode 100644
index 000000000..a91ab785b
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/awt/AWTThreadingPlugin.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright (c) 2010 JogAmp Community. 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.jogamp.opengl.impl.awt;
+
+import javax.media.opengl.*;
+
+import java.awt.event.*;
+
+import java.awt.EventQueue;
+import java.lang.reflect.InvocationTargetException;
+
+import com.jogamp.opengl.impl.*;
+
+public class AWTThreadingPlugin implements ThreadingPlugin {
+
+  public AWTThreadingPlugin() {}
+
+  public boolean isOpenGLThread() throws GLException {
+    switch (ThreadingImpl.getMode()) {
+      case ThreadingImpl.AWT:
+        // FIXME: See the FIXME below in 'invokeOnOpenGLThread'
+        if (Java2D.isOGLPipelineActive() && !ThreadingImpl.isX11()) {
+          return Java2D.isQueueFlusherThread();
+        } else {
+          return EventQueue.isDispatchThread();
+        }
+      case ThreadingImpl.WORKER:
+        if (Java2D.isOGLPipelineActive()) {
+          // FIXME: ideally only the QFT would be considered to be the
+          // "OpenGL thread", but we can not currently run all of
+          // JOGL's OpenGL work on that thread. See the FIXME in
+          // invokeOnOpenGLThread.
+          return (Java2D.isQueueFlusherThread() ||
+                  (ThreadingImpl.isX11() && GLWorkerThread.isWorkerThread()));
+        } else {
+          return GLWorkerThread.isWorkerThread();
+        }
+      default:
+        throw new InternalError("Illegal single-threading mode " + ThreadingImpl.getMode());
+    }
+  }
+
+  public void invokeOnOpenGLThread(Runnable r) throws GLException {
+    switch (ThreadingImpl.getMode()) {
+      case ThreadingImpl.AWT:
+        // FIXME: ideally should run all OpenGL work on the Java2D QFT
+        // thread when it's enabled, but unfortunately there are
+        // deadlock issues on X11 platforms when making our
+        // heavyweight OpenGL contexts current on the QFT because we
+        // perform the JAWT lock inside the makeCurrent()
+        // implementation, which attempts to grab the AWT lock on the
+        // QFT which is not allowed. For now, on X11 platforms,
+        // continue to perform this work on the EDT.
+        if (Java2D.isOGLPipelineActive() && !ThreadingImpl.isX11()) {
+          Java2D.invokeWithOGLContextCurrent(null, r);
+        } else {
+          try {
+            EventQueue.invokeAndWait(r);
+          } catch (InvocationTargetException e) {
+            throw new GLException(e.getTargetException());
+          } catch (InterruptedException e) {
+            throw new GLException(e);
+          }
+        }
+        break;
+
+      case ThreadingImpl.WORKER:
+        if (!GLWorkerThread.isStarted()) {
+          synchronized (GLWorkerThread.class) {
+            if (!GLWorkerThread.isStarted()) {
+              GLWorkerThread.start();
+            }
+          }
+        }
+        try {
+          GLWorkerThread.invokeAndWait(r);
+        } catch (InvocationTargetException e) {
+          throw new GLException(e.getTargetException());
+        } catch (InterruptedException e) {
+          throw new GLException(e);
+        }
+        break;
+
+      default:
+        throw new InternalError("Illegal single-threading mode " + ThreadingImpl.getMode());
+    }
+  }
+}