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/**
* Copyright 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:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package javax.media.opengl;
import com.jogamp.common.util.locks.LockFactory;
import com.jogamp.common.util.locks.RecursiveLock;
import jogamp.opengl.Debug;
import jogamp.opengl.GLAutoDrawableBase;
import jogamp.opengl.GLContextImpl;
import jogamp.opengl.GLDrawableImpl;
/**
* Fully functional {@link GLAutoDrawable} implementation
* utilizing already created created {@link GLDrawable} and {@link GLContext} instances.
* <p>
* Since no native windowing system events are being processed, it is recommended
* to handle at least:
* <ul>
* <li>{@link com.jogamp.newt.event.WindowListener#windowRepaint(com.jogamp.newt.event.WindowUpdateEvent) repaint} using {@link #defaultWindowRepaintOp()}</li>
* <li>{@link com.jogamp.newt.event.WindowListener#windowResized(com.jogamp.newt.event.WindowEvent) resize} using {@link #defaultWindowResizedOp()}</li>
* <li>{@link com.jogamp.newt.event.WindowListener#windowDestroyNotify(com.jogamp.newt.event.WindowEvent) destroy-notify} using {@link #defaultWindowDestroyNotifyOp()}</li>
* </ul>
* </p>
* <p>
* See example {@link com.jogamp.opengl.test.junit.jogl.acore.TestGLAutoDrawableDelegateNEWT TestGLAutoDrawableDelegateNEWT}.
* </p>
*/
public class GLAutoDrawableDelegate extends GLAutoDrawableBase {
public static final boolean DEBUG = Debug.debug("GLAutoDrawableDelegate");
/**
* @param drawable
* @param context
* @param upstreamWidget optional UI element holding this instance, see {@link #getUpstreamWidget()}.
*/
public GLAutoDrawableDelegate(GLDrawable drawable, GLContext context, Object upstreamWidget) {
super((GLDrawableImpl)drawable, (GLContextImpl)context);
this.upstreamWidget = null;
}
//
// make protected methods accessible
//
public void defaultWindowRepaintOp() {
super.defaultWindowRepaintOp();
}
public void defaultWindowResizedOp() {
super.defaultWindowResizedOp();
}
public void defaultWindowDestroyNotifyOp() {
super.defaultWindowDestroyNotifyOp();
}
//
// Complete GLAutoDrawable
//
private final RecursiveLock lock = LockFactory.createRecursiveLock(); // instance wide lock
private final Object upstreamWidget;
@Override
public final Object getUpstreamWidget() {
return upstreamWidget;
}
/**
* {@inheritDoc}
* <p>
* This implementation calls {@link #defaultDestroyOp()}.
* </p>
* <p>
* User still needs to destroy the upstream window, which details are hidden from this aspect.
* </p>
*/
@Override
public void destroy() {
lock.lock();
try {
defaultDestroyOp();
} finally {
lock.unlock();
}
}
@Override
public void display() {
if( sendDestroy ) {
sendDestroy=false;
destroy();
return;
}
lock.lock(); // sync: context/drawable could been recreated/destroyed while animating
try {
if( null != drawable && drawable.isRealized() && null != context ) {
// surface is locked/unlocked implicit by context's makeCurrent/release
helper.invokeGL(drawable, context, defaultDisplayAction, defaultInitAction);
}
} finally {
lock.unlock();
}
}
//
// GLDrawable delegation
//
@Override
public final GLDrawableFactory getFactory() {
return drawable.getFactory();
}
@Override
public final void setRealized(boolean realized) {
}
}
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