/*
 * Copyright 1998-2008 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

package javax.media.j3d;

/**
 * The J3dThreadData is the data wrapper for threads in Java 3D.
 */

class J3dThreadData extends Object {
    /**
     * Thread run options
     */
    static final int WAIT_ALL_THREADS = 0x01;
    static final int CONT_THREAD      = 0x02;
    static final int WAIT_THIS_THREAD = 0x04;
    static final int START_TIMER      = 0x08;
    static final int STOP_TIMER       = 0x10;
    static final int LAST_STOP_TIMER  = 0x20;
    //static final int LOCK_RENDERBIN   = 0x20;
    //static final int RELEASE_RENDERBIN = 0x40;

    /**
     * The thread for this data
     */
    J3dThread thread = null;

    /**
     * The last time that a message was sent to this thread.
     */
    long lastUpdateTime = -1;

    /**
     * The last time that this thread was run
     */
    long lastRunTime = -1;

    /**
     * The thread type
     */
    int threadType = 0;

    /**
     * The run options for this thread.
     */
    int threadOpts = 0;

    /**
     * The arguments to be passed to this thread
     */
    Object threadArgs = null;

    /**
     * This indicates whether or not this thread needs to run.
     */
    boolean needsRun = false;

    /**
     * The following data is only used by the Render Thread
     */

    /**
     * The type of the thread invocation.  RENDER or SWAP
     */
    int type = 0;

    /**
     * The view that this Render invocation belongs to.
     */
    View view = null;

    /**
     * The Canvas3D that this Render invocation belongs to.
     * It is null for the SWAP invocation.
     */
    Canvas3D canvas = null;

    /**
     * This constructor does nothing
     */
    J3dThreadData() {
    }
}