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#define DECLARE_INPUT_MAT(i) \ 45 __global const uchar * src##i##ptr, int src##i##_step, int src##i##_offset, 46#define DECLARE_OUTPUT_MAT(i) \ 47 __global uchar * dst##i##ptr, int dst##i##_step, int dst##i##_offset, 48#define DECLARE_INDEX(i) \ 49 int src##i##_index = mad24(src##i##_step, y0, mad24(x, (int)sizeof(T) * scn##i, src##i##_offset)); \ 50 int dst##i##_index = mad24(dst##i##_step, y0, mad24(x, (int)sizeof(T) * dcn##i, dst##i##_offset)); 51#define PROCESS_ELEM(i) \ 52 __global const T * src##i = (__global const T *)(src##i##ptr + src##i##_index); \ 53 __global T * dst##i = (__global T *)(dst##i##ptr + dst##i##_index); \ 54 dst##i[0] = src##i[0]; \ 55 src##i##_index += src##i##_step; \ 56 dst##i##_index += dst##i##_step; 57 58__kernel void mixChannels(DECLARE_INPUT_MAT_N DECLARE_OUTPUT_MAT_N int rows, int cols, int rowsPerWI) 59{ 60 int x = get_global_id(0); 61 int y0 = get_global_id(1) * rowsPerWI; 62 63 if (x < cols) 64 { 65 DECLARE_INDEX_N 66 67 for (int y = y0, y1 = min(y0 + rowsPerWI, rows); y < y1; ++y) 68 { 69 PROCESS_ELEM_N 70 } 71 } 72} 73