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/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    Licensed under the Apache License, Version 2.0 (the "License");
 *  *    you may not use this file except in compliance with the License.
 *  *    You may obtain a copy of the License at
 *  *
 *  *        http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  *    Unless required by applicable law or agreed to in writing, software
 *  *    distributed under the License is distributed on an "AS IS" BASIS,
 *  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  *    See the License for the specific language governing permissions and
 *  *    limitations under the License.
 *
 *
 */

package jcuda.runtime;

/**
 * Java port of cudaMemcpy3DPeerParms.

 * 

 * Most comments are taken from the CUDA reference manual.

 * 

 * @see JCuda#cudaMemcpy3DPeer
 */
public class cudaMemcpy3DPeerParms
{
    /**
     * The source array.
     */
    public cudaArray srcArray = new cudaArray();

    /**
     * The srcPos and dstPos fields are optional offsets into the source and destination objects and are defined in
     * units of each object's elements. The element for a host or device pointer is assumed to be unsigned char.
     * For CUDA arrays, positions must be in the range [0, 2048) for any dimension. 
     */
    public cudaPos srcPos = new cudaPos();

    /**
     * The source pointer.
     */
    public cudaPitchedPtr srcPtr = new cudaPitchedPtr();
    
    /** 
     * Source device 
     */
    public int srcDevice; 

    
    /**
     * The destination array.
     */
    public cudaArray dstArray = new cudaArray();

    /**
     * The srcPos and dstPos fields are optional offsets into the source and destination objects and are defined in
     * units of each object's elements. The element for a host or device pointer is assumed to be unsigned char.
     * For CUDA arrays, positions must be in the range [0, 2048) for any dimension. 
     */
    public cudaPos dstPos = new cudaPos();

    /**
     * The destination pointer.
     */
    public cudaPitchedPtr dstPtr = new cudaPitchedPtr();

    /** 
     * Destination device 
     */
    public int dstDevice; 
    
    /**
     * The extent field defines the dimensions of the transferred area in elements. If a CUDA array is participating
     * in the copy the extent is defined in terms of that array's elements. If no CUDA array is participating in the
     * copy then the extents are defined in elements of unsigned char.
     */
    public cudaExtent extent = new cudaExtent();
    
    /**
     * Returns a String representation of this object.
     * 
     * @return A String representation of this object.
     */
    @Override
    public String toString()
    {
        return "cudaMemcpy3DPeerParms["+createString(",")+"]";
    }

    /**
     * Creates and returns a formatted (aligned, multi-line) String
     * representation of this object
     * 
     * @return A formatted String representation of this object
     */
    public String toFormattedString()
    {
        return "Parameters for cudaMemcopy3DPeer:\n    "+createString("\n    ");
    }
    
    /**
     * Creates and returns a string representation of this object,
     * using the given separator for the fields
     * 
     * @return A String representation of this object
     */
    private String createString(String f)
    {
        return 
            "srcArray="+srcArray+f+
            "srcPos="+srcPos+f+
            "srcPtr="+srcPtr+f+
            "srcDevice="+srcDevice+f+
            "dstArray="+dstArray+f+
            "dstPos="+dstPos+f+
            "dstPtr="+dstPtr+f+
            "dstDevice="+dstDevice+f+
            "extent="+extent;
    }

    
    
}