1 /*M///////////////////////////////////////////////////////////////////////////////////////
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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.
11 // For Open Source Computer Vision Library
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 // Third party copyrights are property of their respective owners.
18 // Wang Weiyan, wangweiyanster@gmail.com
19 // Peng Xiao, pengxiao@multicorewareinc.com
21 // Redistribution and use in source and binary forms, with or without modification,
22 // are permitted provided that the following conditions are met:
24 // * Redistribution's of source code must retain the above copyright notice,
25 // this list of conditions and the following disclaimer.
27 // * Redistribution's in binary form must reproduce the above copyright notice,
28 // this list of conditions and the following disclaimer in the documentation
29 // and/or other oclMaterials provided with the distribution.
31 // * The name of the copyright holders may not be used to endorse or promote products
32 // derived from this software without specific prior written permission.
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39 // (including, but not limited to, procurement of substitute goods or services;
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41 // and on any theory of liability, whether in contract, strict liability,
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43 // the use of this software, even if advised of the possibility of such damage.
47 #include "precomp.hpp"
50 using namespace cv::ocl;
53 #define CV_DESCALE(x, n) (((x) + (1 << ((n)-1))) >> (n))
57 #define FLT_EPSILON 1.192092896e-07F
64 extern const char *cvt_color;
70 void RGB2Gray_caller(const oclMat &src, oclMat &dst, int bidx)
72 vector<pair<size_t , const void *> > args;
73 int channels = src.oclchannels();
74 char build_options[50];
75 sprintf(build_options, "-D DEPTH_%d", src.depth());
76 //printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
77 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
78 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
79 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step));
80 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step));
81 args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
82 args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
83 args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
84 args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
85 size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
86 openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2Gray", gt, lt, args, -1, -1, build_options);
88 void Gray2RGB_caller(const oclMat &src, oclMat &dst)
90 vector<pair<size_t , const void *> > args;
91 char build_options[50];
92 sprintf(build_options, "-D DEPTH_%d", src.depth());
93 //printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
94 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
95 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
96 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step));
97 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step));
98 args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
99 args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
100 size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
101 openCLExecuteKernel(src.clCxt, &cvt_color, "Gray2RGB", gt, lt, args, -1, -1, build_options);
103 void RGB2YUV_caller(const oclMat &src, oclMat &dst, int bidx)
105 vector<pair<size_t , const void *> > args;
106 int channels = src.oclchannels();
107 char build_options[50];
108 sprintf(build_options, "-D DEPTH_%d", src.depth());
109 //printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
110 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
111 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
112 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step));
113 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step));
114 args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
115 args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
116 args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
117 args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
118 size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
119 openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2YUV", gt, lt, args, -1, -1, build_options);
121 void YUV2RGB_caller(const oclMat &src, oclMat &dst, int bidx)
123 vector<pair<size_t , const void *> > args;
124 int channels = src.oclchannels();
125 char build_options[50];
126 sprintf(build_options, "-D DEPTH_%d", src.depth());
127 //printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
128 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
129 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
130 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step));
131 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step));
132 args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
133 args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
134 args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
135 args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
136 size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
137 openCLExecuteKernel(src.clCxt, &cvt_color, "YUV2RGB", gt, lt, args, -1, -1, build_options);
139 void YUV2RGB_NV12_caller(const oclMat &src, oclMat &dst, int bidx)
141 vector<pair<size_t , const void *> > args;
142 char build_options[50];
143 sprintf(build_options, "-D DEPTH_%d", src.depth());
144 //printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
145 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
146 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
147 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step));
148 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step));
149 args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
150 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.cols));
151 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.rows));
152 args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
153 args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
154 size_t gt[3] = {dst.cols / 2, dst.rows / 2, 1}, lt[3] = {16, 16, 1};
155 openCLExecuteKernel(src.clCxt, &cvt_color, "YUV2RGBA_NV12", gt, lt, args, -1, -1, build_options);
157 void RGB2YCrCb_caller(const oclMat &src, oclMat &dst, int bidx)
159 vector<pair<size_t , const void *> > args;
160 int channels = src.oclchannels();
161 char build_options[50];
162 sprintf(build_options, "-D DEPTH_%d", src.depth());
163 //printf("depth:%d,channels:%d,bidx:%d\n",src.depth(),src.oclchannels(),bidx);
164 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.cols));
165 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.rows));
166 args.push_back( make_pair( sizeof(cl_int) , (void *)&src.step));
167 args.push_back( make_pair( sizeof(cl_int) , (void *)&dst.step));
168 args.push_back( make_pair( sizeof(cl_int) , (void *)&channels));
169 args.push_back( make_pair( sizeof(cl_int) , (void *)&bidx));
170 args.push_back( make_pair( sizeof(cl_mem) , (void *)&src.data));
171 args.push_back( make_pair( sizeof(cl_mem) , (void *)&dst.data));
172 size_t gt[3] = {src.cols, src.rows, 1}, lt[3] = {16, 16, 1};
173 openCLExecuteKernel(src.clCxt, &cvt_color, "RGB2YCrCb", gt, lt, args, -1, -1, build_options);
175 void cvtColor_caller(const oclMat &src, oclMat &dst, int code, int dcn)
177 Size sz = src.size();
178 int scn = src.oclchannels(), depth = src.depth(), bidx;
180 CV_Assert(depth == CV_8U || depth == CV_16U || depth == CV_32F);
185 case CV_BGR2BGRA: case CV_RGB2BGRA: case CV_BGRA2BGR:
186 case CV_RGBA2BGR: case CV_RGB2BGR: case CV_BGRA2RGBA:
187 case CV_BGR2BGR565: case CV_BGR2BGR555: case CV_RGB2BGR565: case CV_RGB2BGR555:
188 case CV_BGRA2BGR565: case CV_BGRA2BGR555: case CV_RGBA2BGR565: case CV_RGBA2BGR555:
189 case CV_BGR5652BGR: case CV_BGR5552BGR: case CV_BGR5652RGB: case CV_BGR5552RGB:
190 case CV_BGR5652BGRA: case CV_BGR5552BGRA: case CV_BGR5652RGBA: case CV_BGR5552RGBA:
197 CV_Assert(scn == 3 || scn == 4);
198 bidx = code == CV_BGR2GRAY || code == CV_BGRA2GRAY ? 0 : 2;
199 dst.create(sz, CV_MAKETYPE(depth, 1));
200 RGB2Gray_caller(src, dst, bidx);
207 dcn = code == CV_GRAY2BGRA ? 4 : 3;
208 dst.create(sz, CV_MAKETYPE(depth, dcn));
209 Gray2RGB_caller(src, dst);
215 CV_Assert(scn == 3 || scn == 4);
216 bidx = code == CV_BGR2YUV ? 0 : 2;
217 dst.create(sz, CV_MAKETYPE(depth, 3));
218 RGB2YUV_caller(src, dst, bidx);
224 CV_Assert(scn == 3 || scn == 4);
225 bidx = code == CV_YUV2BGR ? 0 : 2;
226 dst.create(sz, CV_MAKETYPE(depth, 3));
227 YUV2RGB_caller(src, dst, bidx);
230 case CV_YUV2RGB_NV12:
231 case CV_YUV2BGR_NV12:
232 case CV_YUV2RGBA_NV12:
233 case CV_YUV2BGRA_NV12:
236 CV_Assert( sz.width % 2 == 0 && sz.height % 3 == 0 && depth == CV_8U );
237 dcn = code == CV_YUV2BGRA_NV12 || code == CV_YUV2RGBA_NV12 ? 4 : 3;
238 bidx = code == CV_YUV2BGRA_NV12 || code == CV_YUV2BGR_NV12 ? 0 : 2;
240 Size dstSz(sz.width, sz.height * 2 / 3);
241 dst.create(dstSz, CV_MAKETYPE(depth, dcn));
242 YUV2RGB_NV12_caller(src, dst, bidx);
248 CV_Assert(scn == 3 || scn == 4);
249 bidx = code == CV_BGR2YCrCb ? 0 : 2;
250 dst.create(sz, CV_MAKETYPE(depth, 3));
251 RGB2YCrCb_caller(src, dst, bidx);
260 case CV_BGR5652GRAY: case CV_BGR5552GRAY:
261 case CV_GRAY2BGR565: case CV_GRAY2BGR555:
262 case CV_BGR2YCrCb: case CV_RGB2YCrCb:
263 case CV_BGR2XYZ: case CV_RGB2XYZ:
264 case CV_XYZ2BGR: case CV_XYZ2RGB:
265 case CV_BGR2HSV: case CV_RGB2HSV: case CV_BGR2HSV_FULL: case CV_RGB2HSV_FULL:
266 case CV_BGR2HLS: case CV_RGB2HLS: case CV_BGR2HLS_FULL: case CV_RGB2HLS_FULL:
267 case CV_HSV2BGR: case CV_HSV2RGB: case CV_HSV2BGR_FULL: case CV_HSV2RGB_FULL:
268 case CV_HLS2BGR: case CV_HLS2RGB: case CV_HLS2BGR_FULL: case CV_HLS2RGB_FULL:
271 CV_Error( CV_StsBadFlag, "Unknown/unsupported color conversion code" );
276 void cv::ocl::cvtColor(const oclMat &src, oclMat &dst, int code, int dcn)
278 cvtColor_caller(src, dst, code, dcn);