From 3ed491213f8f7f05d7b9866b50d764370d8ff5f6 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Sun, 25 Mar 2012 03:29:53 +0200
Subject: Enhance and generalize AWT Threading* implementation; Minor changes
 ..

Threading*:
  - add invoke(..) generalizing the Therading decision

GLCanvas:
  - remove 'manual' Threading decision, simply call Threading.invoke(..)
  - use anonymous Runnable instances
  - remove drawable lock, drawable is volatile instead

GLJPanel:
  - remove 'manual' Threading decision, simply call Threading.invoke(..)
  - use anonymous Runnable instances
  - DEBUG: Use getThreadName() prefix

GLContextImpl:
  - Remove GLWorkerThread idle command on makeCurrent(),
    no holding of context in worker thread while idle.
  - DEBUG: Use getThreadName() prefix

X11GLXContext:
  - DEBUG: Use getThreadName() prefix

TODO: Validate whether it's OK for GLCanvas and GLJPanel to set Threading.Mode.MT as the default mode!
---
 .../jogamp/opengl/ToolkitThreadingPlugin.java      | 67 ++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/jogl/classes/jogamp/opengl/ToolkitThreadingPlugin.java

(limited to 'src/jogl/classes/jogamp/opengl/ToolkitThreadingPlugin.java')

diff --git a/src/jogl/classes/jogamp/opengl/ToolkitThreadingPlugin.java b/src/jogl/classes/jogamp/opengl/ToolkitThreadingPlugin.java
new file mode 100644
index 000000000..22972953a
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/ToolkitThreadingPlugin.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright (c) 2012 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 jogamp.opengl;
+
+import javax.media.opengl.*;
+
+public interface ToolkitThreadingPlugin {
+  /** Indicates whether the current thread is the designated toolkit thread,
+      if such semantics exists. */
+  public boolean isToolkitThread() throws GLException;
+  
+  /** Indicates whether the current thread is the thread on
+      which this implementation of the javax.media.opengl APIs
+      performs all of its OpenGL-related work. This method should only
+      be called if the single-thread model is in effect. */
+  public boolean isOpenGLThread() throws GLException;
+
+  /** Executes the passed Runnable on the single thread used for all
+      OpenGL work in this javax.media.opengl API implementation. It is
+      not specified exactly which thread is used for this
+      purpose. This method should only be called if the single-thread
+      model is in use and if the current thread is not the OpenGL
+      thread (i.e., if <code>isOpenGLThread()</code> returns
+      false). It is up to the end user to check to see whether the
+      current thread is the OpenGL thread and either execute the
+      Runnable directly or perform the work inside it. */
+  public void invokeOnOpenGLThread(boolean wait, Runnable r) throws GLException;
+}
+
-- 
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