/*M///////////////////////////////////////////////////////////////////////////////////////
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
//
//                           License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
// Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// @Authors
//    Jiang Liyuan, jlyuan001.good@163.com
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//
//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other GpuMaterials provided with the distribution.
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//     derived from this software without specific prior written permission.
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//M*/
#if defined (DOUBLE_SUPPORT)
#pragma OPENCL EXTENSION cl_khr_fp64:enable
#endif

//////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////BITWISE_XOR////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////
/**************************************bitwise_xor without mask**************************************/
__kernel void arithm_bitwise_xor_D0 (__global uchar *src1, int src1_step, int src1_offset,
                             __global uchar *src2, int src2_step, int src2_offset,
                             __global uchar *dst,  int dst_step,  int dst_offset,
                             int rows, int cols, int dst_step1)
{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols && y < rows)
    {
        x = x << 2;

        #define dst_align (dst_offset & 3)
        int src1_index = mad24(y, src1_step, x + src1_offset - dst_align); 
        int src2_index = mad24(y, src2_step, x + src2_offset - dst_align); 

        int dst_start  = mad24(y, dst_step, dst_offset);
        int dst_end    = mad24(y, dst_step, dst_offset + dst_step1);
        int dst_index  = mad24(y, dst_step, dst_offset + x & (int)0xfffffffc);

        uchar4 src1_data = vload4(0, src1 + src1_index);
        uchar4 src2_data = vload4(0, src2 + src2_index);

        uchar4 dst_data = *((__global uchar4 *)(dst + dst_index));
        uchar4 tmp_data = src1_data ^ src2_data;

        dst_data.x = ((dst_index + 0 >= dst_start) && (dst_index + 0 < dst_end)) ? tmp_data.x : dst_data.x;
        dst_data.y = ((dst_index + 1 >= dst_start) && (dst_index + 1 < dst_end)) ? tmp_data.y : dst_data.y;
        dst_data.z = ((dst_index + 2 >= dst_start) && (dst_index + 2 < dst_end)) ? tmp_data.z : dst_data.z;
        dst_data.w = ((dst_index + 3 >= dst_start) && (dst_index + 3 < dst_end)) ? tmp_data.w : dst_data.w;

        *((__global uchar4 *)(dst + dst_index)) = dst_data;
    }
}


__kernel void arithm_bitwise_xor_D1 (__global char *src1, int src1_step, int src1_offset,
                             __global char *src2, int src2_step, int src2_offset,
                             __global char *dst,  int dst_step,  int dst_offset,
                             int rows, int cols, int dst_step1)
{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols && y < rows)
    {
        x = x << 2;

        #define dst_align (dst_offset & 3)
        int src1_index = mad24(y, src1_step, x + src1_offset - dst_align); 
        int src2_index = mad24(y, src2_step, x + src2_offset - dst_align); 

        int dst_start  = mad24(y, dst_step, dst_offset);
        int dst_end    = mad24(y, dst_step, dst_offset + dst_step1);
        int dst_index  = mad24(y, dst_step, dst_offset + x & (int)0xfffffffc);

        char4 src1_data = vload4(0, src1 + src1_index);
        char4 src2_data = vload4(0, src2 + src2_index);

        char4 dst_data = *((__global char4 *)(dst + dst_index));
        char4 tmp_data = src1_data ^ src2_data;

        dst_data.x = ((dst_index + 0 >= dst_start) && (dst_index + 0 < dst_end)) ? tmp_data.x : dst_data.x;
        dst_data.y = ((dst_index + 1 >= dst_start) && (dst_index + 1 < dst_end)) ? tmp_data.y : dst_data.y;
        dst_data.z = ((dst_index + 2 >= dst_start) && (dst_index + 2 < dst_end)) ? tmp_data.z : dst_data.z;
        dst_data.w = ((dst_index + 3 >= dst_start) && (dst_index + 3 < dst_end)) ? tmp_data.w : dst_data.w;

        *((__global char4 *)(dst + dst_index)) = dst_data;
    }
}


__kernel void arithm_bitwise_xor_D2 (__global ushort *src1, int src1_step, int src1_offset,
                             __global ushort *src2, int src2_step, int src2_offset,
                             __global ushort *dst,  int dst_step,  int dst_offset,
                             int rows, int cols, int dst_step1)

{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols && y < rows)
    {
        x = x << 2;

        #define dst_align ((dst_offset >> 1) & 3)
        int src1_index = mad24(y, src1_step, (x << 1) + src1_offset - (dst_align << 1)); 
        int src2_index = mad24(y, src2_step, (x << 1) + src2_offset - (dst_align << 1)); 

        int dst_start  = mad24(y, dst_step, dst_offset);
        int dst_end    = mad24(y, dst_step, dst_offset + dst_step1);
        int dst_index  = mad24(y, dst_step, dst_offset + (x << 1) & (int)0xfffffff8);

        ushort4 src1_data = vload4(0, (__global ushort *)((__global char *)src1 + src1_index));
        ushort4 src2_data = vload4(0, (__global ushort *)((__global char *)src2 + src2_index));

        ushort4 dst_data = *((__global ushort4 *)((__global char *)dst + dst_index));
        ushort4 tmp_data = src1_data ^ src2_data;

        dst_data.x = ((dst_index + 0 >= dst_start) && (dst_index + 0 < dst_end)) ? tmp_data.x : dst_data.x;
        dst_data.y = ((dst_index + 2 >= dst_start) && (dst_index + 2 < dst_end)) ? tmp_data.y : dst_data.y;
        dst_data.z = ((dst_index + 4 >= dst_start) && (dst_index + 4 < dst_end)) ? tmp_data.z : dst_data.z;
        dst_data.w = ((dst_index + 6 >= dst_start) && (dst_index + 6 < dst_end)) ? tmp_data.w : dst_data.w;

        *((__global ushort4 *)((__global char *)dst + dst_index)) = dst_data;
    }
}



__kernel void arithm_bitwise_xor_D3 (__global short *src1, int src1_step, int src1_offset,
                             __global short *src2, int src2_step, int src2_offset,
                             __global short *dst,  int dst_step,  int dst_offset,
                             int rows, int cols, int dst_step1)

{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols && y < rows)
    {
        x = x << 2;

        #define dst_align ((dst_offset >> 1) & 3)
        int src1_index = mad24(y, src1_step, (x << 1) + src1_offset - (dst_align << 1)); 
        int src2_index = mad24(y, src2_step, (x << 1) + src2_offset - (dst_align << 1)); 

        int dst_start  = mad24(y, dst_step, dst_offset);
        int dst_end    = mad24(y, dst_step, dst_offset + dst_step1);
        int dst_index  = mad24(y, dst_step, dst_offset + (x << 1) & (int)0xfffffff8);

        short4 src1_data = vload4(0, (__global short *)((__global char *)src1 + src1_index));
        short4 src2_data = vload4(0, (__global short *)((__global char *)src2 + src2_index));

        short4 dst_data = *((__global short4 *)((__global char *)dst + dst_index));
        short4 tmp_data = src1_data ^ src2_data;

        dst_data.x = ((dst_index + 0 >= dst_start) && (dst_index + 0 < dst_end)) ? tmp_data.x : dst_data.x;
        dst_data.y = ((dst_index + 2 >= dst_start) && (dst_index + 2 < dst_end)) ? tmp_data.y : dst_data.y;
        dst_data.z = ((dst_index + 4 >= dst_start) && (dst_index + 4 < dst_end)) ? tmp_data.z : dst_data.z;
        dst_data.w = ((dst_index + 6 >= dst_start) && (dst_index + 6 < dst_end)) ? tmp_data.w : dst_data.w;

        *((__global short4 *)((__global char *)dst + dst_index)) = dst_data;
    }
}



__kernel void arithm_bitwise_xor_D4 (__global int *src1, int src1_step, int src1_offset,
                             __global int *src2, int src2_step, int src2_offset,
                             __global int *dst,  int dst_step,  int dst_offset,
                             int rows, int cols, int dst_step1)
{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols && y < rows)
    {
        int src1_index = mad24(y, src1_step, (x << 2) + src1_offset);
        int src2_index = mad24(y, src2_step, (x << 2) + src2_offset);
        int dst_index  = mad24(y, dst_step,  (x << 2) + dst_offset);

        int data1 = *((__global int *)((__global char *)src1 + src1_index));
        int data2 = *((__global int *)((__global char *)src2 + src2_index));
        int tmp  = data1 ^ data2;

        *((__global int *)((__global char *)dst + dst_index)) = tmp;
    }
}

__kernel void arithm_bitwise_xor_D5 (__global char *src1, int src1_step, int src1_offset,
                             __global char *src2, int src2_step, int src2_offset,
                             __global char *dst,  int dst_step,  int dst_offset,
                             int rows, int cols, int dst_step1)
{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols && y < rows)
    {
        int src1_index = mad24(y, src1_step, (x << 2) + src1_offset);
        int src2_index = mad24(y, src2_step, (x << 2) + src2_offset);
        int dst_index  = mad24(y, dst_step,  (x << 2) + dst_offset);

        char4 data1 = *((__global char4 *)((__global char *)src1 + src1_index));
        char4 data2 = *((__global char4 *)((__global char *)src2 + src2_index));
        char4 tmp = data1 ^ data2;

        *((__global char4 *)((__global char *)dst + dst_index)) = tmp;
    }
}

#if defined (DOUBLE_SUPPORT)
__kernel void arithm_bitwise_xor_D6 (__global char *src1, int src1_step, int src1_offset,
                             __global char *src2, int src2_step, int src2_offset,
                             __global char *dst,  int dst_step,  int dst_offset,
                             int rows, int cols, int dst_step1)
{
    int x = get_global_id(0);
    int y = get_global_id(1);

    if (x < cols && y < rows)
    {
        int src1_index = mad24(y, src1_step, (x << 3) + src1_offset);
        int src2_index = mad24(y, src2_step, (x << 3) + src2_offset);
        int dst_index  = mad24(y, dst_step,  (x << 3) + dst_offset);

        char8 data1 = *((__global char8 *)((__global char *)src1 + src1_index));
        char8 data2 = *((__global char8 *)((__global char *)src2 + src2_index));

        *((__global char8 *)((__global char *)dst + dst_index)) = data1 ^ data2;
    }
}
#endif

