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/**
* Copyright 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:
*
* 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;
/**
* <p>
* Declares one-shot OpenGL commands usable for injection into a {@link GLAutoDrawable},<br>
* via {@link GLAutoDrawable#invoke(boolean, javax.media.opengl.GLRunnable)}.<br>
* {@link GLAutoDrawable} executes these commands within it's {@link GLAutoDrawable#display()}
* method while the OpenGL context is current.<br>
* <p>
* This might be useful to inject OpenGL commands from an I/O event listener.
*/
public interface GLRunnable {
/**
* Called by the drawable to initiate one-shot OpenGL commands by the
* client, like {@link GLEventListener#display(GLAutoDrawable)}.
*
* @param drawable the associated drawable the implementation shall use
* @return false if impl invalidates the back buffers, hence {@link GLAutoDrawable#display()} will
* issue another {@link GLEventListener#display(GLAutoDrawable)} call. Otherwise true.
*/
boolean run(GLAutoDrawable drawable);
}
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