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/*
 * Copyright (c) 2009-2016 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * 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.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT OWNER 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
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.opencl;

/**
 * Specifies the access flags when mapping a {@link Buffer} or {@link Image} object.
 * @see Buffer#map(com.jme3.opencl.CommandQueue, long, long, com.jme3.opencl.MappingAccess) 
 * @see Image#map(com.jme3.opencl.CommandQueue, long[], long[], com.jme3.opencl.MappingAccess) 
 * @author shaman
 */
public enum MappingAccess {
    /**
     * Only read access is allowed to the mapped memory.
     */
    MAP_READ_ONLY,
    /**
     * Only write access is allowed to the mapped memory.
     */
    MAP_WRITE_ONLY,
    /**
     * Both read and write access is allowed.
     */
    MAP_READ_WRITE,
    /**
     * The old memory content is completely discarded and the buffer is filled
     * completely with new data. This might be faster than {@link #MAP_WRITE_ONLY}
     */
    MAP_WRITE_INVALIDATE
}