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Java™ Binding for the OpenGL® API
There is a newer version: 2.3.2
/*
 * 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 isOpenGLThread() 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;
}