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/*
* 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 jogamp.opengl.awt;
import java.awt.EventQueue;
import com.jogamp.opengl.GLException;
import com.jogamp.common.util.awt.AWTEDTExecutor;
import jogamp.opengl.GLWorkerThread;
import jogamp.opengl.ThreadingImpl;
import jogamp.opengl.ToolkitThreadingPlugin;
public class AWTThreadingPlugin implements ToolkitThreadingPlugin {
public AWTThreadingPlugin() {}
@Override
public final boolean isToolkitThread() throws GLException {
return EventQueue.isDispatchThread();
}
@Override
public final boolean isOpenGLThread() throws GLException {
switch (ThreadingImpl.getMode()) {
case ST_AWT:
// FIXME: See the FIXME below in 'invokeOnOpenGLThread'
if (Java2D.isOGLPipelineActive() && !ThreadingImpl.isX11()) {
return Java2D.isQueueFlusherThread();
} else {
return EventQueue.isDispatchThread();
}
case ST_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());
}
}
@Override
public final void invokeOnOpenGLThread(final boolean wait, final Runnable r) throws GLException {
switch (ThreadingImpl.getMode()) {
case ST_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 (wait && Java2D.isOGLPipelineActive() && !ThreadingImpl.isX11()) {
Java2D.invokeWithOGLContextCurrent(null, r);
} else {
AWTEDTExecutor.singleton.invoke(wait, r);
}
break;
case ST_WORKER:
ThreadingImpl.invokeOnWorkerThread(wait, r);
break;
case MT:
r.run();
break;
default:
throw new InternalError("Illegal single-threading mode " + ThreadingImpl.getMode());
}
}
}
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