From a959c53b7ac91e489bf0959391e892790b9ff248 Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Mon, 15 Jun 2009 22:57:38 +0000
Subject: Copied JOGL_2_SANDBOX r1957 on to trunk; JOGL_2_SANDBOX branch is now
closed
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851
---
.../sun/opengl/impl/awt/AWTThreadingPlugin.java | 129 +++++++++++++++++++++
1 file changed, 129 insertions(+)
create mode 100755 src/jogl/classes/com/sun/opengl/impl/awt/AWTThreadingPlugin.java
(limited to 'src/jogl/classes/com/sun/opengl/impl/awt/AWTThreadingPlugin.java')
diff --git a/src/jogl/classes/com/sun/opengl/impl/awt/AWTThreadingPlugin.java b/src/jogl/classes/com/sun/opengl/impl/awt/AWTThreadingPlugin.java
new file mode 100755
index 000000000..c7dd9ea80
--- /dev/null
+++ b/src/jogl/classes/com/sun/opengl/impl/awt/AWTThreadingPlugin.java
@@ -0,0 +1,129 @@
+/*
+ * 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.awt;
+
+import javax.media.opengl.*;
+
+import java.awt.event.*;
+
+import java.awt.EventQueue;
+import java.lang.reflect.InvocationTargetException;
+
+import com.sun.opengl.impl.*;
+
+public class AWTThreadingPlugin implements ThreadingPlugin {
+
+ public AWTThreadingPlugin() {}
+
+ public boolean isOpenGLThread() throws GLException {
+ switch (ThreadingImpl.getMode()) {
+ case ThreadingImpl.AWT:
+ 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() && EventQueue.isDispatchThread()));
+ } 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());
+ }
+ }
+}
--
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