/** * 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); }