Home | History | Annotate | Download | only in opencl
      1 /*M///////////////////////////////////////////////////////////////////////////////////////
      2 //
      3 //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
      4 //
      5 //  By downloading, copying, installing or using the software you agree to this license.
      6 //  If you do not agree to this license, do not download, install,
      7 //  copy or use the software.
      8 //
      9 //
     10 //                           License Agreement
     11 //                For Open Source Computer Vision Library
     12 //
     13 // Copyright (C) 2010-2012, Institute Of Software Chinese Academy Of Science, all rights reserved.
     14 // Copyright (C) 2010-2012, Advanced Micro Devices, Inc., all rights reserved.
     15 // Copyright (C) 2013, OpenCV Foundation, all rights reserved.
     16 // Third party copyrights are property of their respective owners.
     17 //
     18 // Redistribution and use in source and binary forms, with or without modification,
     19 // are permitted provided that the following conditions are met:
     20 //
     21 //   * Redistribution's of source code must retain the above copyright notice,
     22 //     this list of conditions and the following disclaimer.
     23 //
     24 //   * Redistribution's in binary form must reproduce the above copyright notice,
     25 //     this list of conditions and the following disclaimer in the documentation
     26 //     and/or other materials provided with the distribution.
     27 //
     28 //   * The name of the copyright holders may not be used to endorse or promote products
     29 //     derived from this software without specific prior written permission.
     30 //
     31 // This software is provided by the copyright holders and contributors as is and
     32 // any express or implied warranties, including, but not limited to, the implied
     33 // warranties of merchantability and fitness for a particular purpose are disclaimed.
     34 // In no event shall the copyright holders or contributors be liable for any direct,
     35 // indirect, incidental, special, exemplary, or consequential damages
     36 // (including, but not limited to, procurement of substitute goods or services;
     37 // loss of use, data, or profits; or business interruption) however caused
     38 // and on any theory of liability, whether in contract, strict liability,
     39 // or tort (including negligence or otherwise) arising in any way out of
     40 // the use of this software, even if advised of the possibility of such damage.
     41 //
     42 //M*/
     43 
     44 #ifdef OP_MERGE
     45 
     46 #define DECLARE_SRC_PARAM(index) __global const uchar * src##index##ptr, int src##index##_step, int src##index##_offset,
     47 #define DECLARE_INDEX(index) int src##index##_index = mad24(src##index##_step, y0, mad24(x, (int)sizeof(T) * scn##index, src##index##_offset));
     48 #define PROCESS_ELEM(index) \
     49     __global const T * src##index = (__global const T *)(src##index##ptr + src##index##_index); \
     50     dst[index] = src##index[0]; \
     51     src##index##_index += src##index##_step;
     52 
     53 __kernel void merge(DECLARE_SRC_PARAMS_N
     54                     __global uchar * dstptr, int dst_step, int dst_offset,
     55                     int rows, int cols, int rowsPerWI)
     56 {
     57     int x = get_global_id(0);
     58     int y0 = get_global_id(1) * rowsPerWI;
     59 
     60     if (x < cols)
     61     {
     62         DECLARE_INDEX_N
     63         int dst_index = mad24(dst_step, y0, mad24(x, (int)sizeof(T) * cn, dst_offset));
     64 
     65         for (int y = y0, y1 = min(rows, y0 + rowsPerWI); y < y1; ++y, dst_index += dst_step)
     66         {
     67             __global T * dst = (__global T *)(dstptr + dst_index);
     68 
     69             PROCESS_ELEMS_N
     70         }
     71     }
     72 }
     73 
     74 #elif defined OP_SPLIT
     75 
     76 #define DECLARE_DST_PARAM(index) , __global uchar * dst##index##ptr, int dst##index##_step, int dst##index##_offset
     77 #define DECLARE_INDEX(index) int dst##index##_index = mad24(y0, dst##index##_step, mad24(x, (int)sizeof(T), dst##index##_offset));
     78 #define PROCESS_ELEM(index) \
     79     __global T * dst##index = (__global T *)(dst##index##ptr + dst##index##_index); \
     80     dst##index[0] = src[index]; \
     81     dst##index##_index += dst##index##_step;
     82 
     83 __kernel void split(__global uchar* srcptr, int src_step, int src_offset, int rows, int cols DECLARE_DST_PARAMS, int rowsPerWI)
     84 {
     85     int x = get_global_id(0);
     86     int y0 = get_global_id(1) * rowsPerWI;
     87 
     88     if (x < cols)
     89     {
     90         DECLARE_INDEX_N
     91         int src_index = mad24(y0, src_step, mad24(x, cn * (int)sizeof(T), src_offset));
     92 
     93         for (int y = y0, y1 = min(rows, y0 + rowsPerWI); y < y1; ++y, src_index += src_step)
     94         {
     95             __global const T * src = (__global const T *)(srcptr + src_index);
     96 
     97             PROCESS_ELEMS_N
     98         }
     99     }
    100 }
    101 
    102 #else
    103 #error "No operation"
    104 #endif
    105