1 // This file is part of OpenCV project.
2 // It is subject to the license terms in the LICENSE file found in the top-level directory
3 // of this distribution and at http://opencv.org/license.html
8 #if !defined(OPENCV_SUPRESS_WARNING_AVX2_WITHOUT_FP16C) && \
9 (defined(__GNUC__) && defined(__AVX2__) && !defined(__F16C__))
10 #warning "Non-optimal compiler flags: AVX2 without FP16. Generated code is very slow. Consider adding '-mf16c' compiler option."
14 CV_CPU_OPTIMIZATION_NAMESPACE_BEGIN
16 BinaryFunc getConvertFunc(int sdepth, int ddepth);
17 BinaryFunc get_cvt32f16f();
18 BinaryFunc get_cvt16f32f();
20 #ifndef CV_CPU_OPTIMIZATION_DECLARATIONS_ONLY
24 void cvt16f32f( const float16_t* src, float* dst, int len )
28 const int VECSZ = v_float32::nlanes;
29 for( ; j < len; j += VECSZ )
37 v_store(dst + j, vx_load_expand(src + j));
41 dst[j] = (float)src[j];
44 void cvt32f16f( const float* src, float16_t* dst, int len )
48 const int VECSZ = v_float32::nlanes;
49 for( ; j < len; j += VECSZ )
57 v_pack_store(dst + j, vx_load(src + j));
61 dst[j] = float16_t(src[j]);
64 /*void addRNGBias32f( float* arr, const float* scaleBiasPairs, int len )
66 // the loop is simple enough, so we let the compiler to vectorize it
67 for( int i = 0; i < len; i++ )
68 arr[i] = scaleBiasPairs[i*2 + 1];
71 void addRNGBias64f( double* arr, const double* scaleBiasPairs, int len )
73 // the loop is simple enough, so we let the compiler to vectorize it
74 for( int i = 0; i < len; i++ )
75 arr[i] = scaleBiasPairs[i*2 + 1];
80 template<typename _Ts, typename _Td, typename _Twvec> static inline void
81 cvt_( const _Ts* src, size_t sstep, _Td* dst, size_t dstep, Size size )
83 sstep /= sizeof(src[0]);
84 dstep /= sizeof(dst[0]);
86 for( int i = 0; i < size.height; i++, src += sstep, dst += dstep )
90 const int VECSZ = _Twvec::nlanes*2;
91 for( ; j < size.width; j += VECSZ )
93 if( j > size.width - VECSZ )
95 if( j == 0 || src == (_Ts*)dst )
97 j = size.width - VECSZ;
100 vx_load_pair_as(src + j, v0, v1);
101 v_store_pair_as(dst + j, v0, v1);
104 for( ; j < size.width; j++ )
105 dst[j] = saturate_cast<_Td>(src[j]);
109 // in order to reduce the code size, for (16f <-> ...) conversions
110 // we add a conversion function without loop unrolling
111 template<typename _Ts, typename _Td, typename _Twvec> static inline void
112 cvt1_( const _Ts* src, size_t sstep, _Td* dst, size_t dstep, Size size )
114 sstep /= sizeof(src[0]);
115 dstep /= sizeof(dst[0]);
117 for( int i = 0; i < size.height; i++, src += sstep, dst += dstep )
121 const int VECSZ = _Twvec::nlanes;
122 for( ; j < size.width; j += VECSZ )
124 if( j > size.width - VECSZ )
126 if( j == 0 || src == (_Ts*)dst )
128 j = size.width - VECSZ;
131 vx_load_as(src + j, v);
132 v_store_as(dst + j, v);
136 for( ; j < size.width; j++ )
137 dst[j] = saturate_cast<_Td>(src[j]);
141 static void cvtCopy( const uchar* src, size_t sstep,
142 uchar* dst, size_t dstep, Size size, size_t elemsize)
144 size_t len = size.width*elemsize;
145 for( int i = 0; i < size.height; i++, src += sstep, dst += dstep )
147 memcpy( dst, src, len );
151 #define DEF_CVT_FUNC(suffix, cvtfunc, _Ts, _Td, _Twvec) \
152 static void cvt##suffix(const uchar* src_, size_t sstep, const uchar*, size_t, \
153 uchar* dst_, size_t dstep, Size size, void*) \
155 CV_INSTRUMENT_REGION(); \
156 const _Ts* src = (const _Ts*)src_; \
157 _Td* dst = (_Td*)dst_; \
158 cvtfunc<_Ts, _Td, _Twvec>(src, sstep, dst, dstep, size); \
161 ////////////////////// 8u -> ... ////////////////////////
163 DEF_CVT_FUNC(8u8s, cvt_, uchar, schar, v_int16)
164 DEF_CVT_FUNC(8u16u, cvt_, uchar, ushort, v_uint16)
165 DEF_CVT_FUNC(8u16s, cvt_, uchar, short, v_int16)
166 DEF_CVT_FUNC(8u32s, cvt_, uchar, int, v_int32)
167 DEF_CVT_FUNC(8u32f, cvt_, uchar, float, v_float32)
168 DEF_CVT_FUNC(8u64f, cvt_, uchar, double, v_int32)
169 //DEF_CVT_FUNC(8u16f, cvt1_, uchar, float16_t, v_float32)
171 ////////////////////// 8s -> ... ////////////////////////
173 DEF_CVT_FUNC(8s8u, cvt_, schar, uchar, v_int16)
174 DEF_CVT_FUNC(8s16u, cvt_, schar, ushort, v_uint16)
175 DEF_CVT_FUNC(8s16s, cvt_, schar, short, v_int16)
176 DEF_CVT_FUNC(8s32s, cvt_, schar, int, v_int32)
177 DEF_CVT_FUNC(8s32f, cvt_, schar, float, v_float32)
178 DEF_CVT_FUNC(8s64f, cvt_, schar, double, v_int32)
179 //DEF_CVT_FUNC(8s16f, cvt1_, schar, float16_t, v_float32)
181 ////////////////////// 16u -> ... ////////////////////////
183 DEF_CVT_FUNC(16u8u, cvt_, ushort, uchar, v_uint16)
184 DEF_CVT_FUNC(16u8s, cvt_, ushort, schar, v_uint16)
185 DEF_CVT_FUNC(16u16s, cvt_, ushort, short, v_int32)
186 DEF_CVT_FUNC(16u32s, cvt_, ushort, int, v_int32)
187 DEF_CVT_FUNC(16u32f, cvt_, ushort, float, v_float32)
188 DEF_CVT_FUNC(16u64f, cvt_, ushort, double, v_int32)
189 //DEF_CVT_FUNC(16u16f, cvt1_,ushort, float16_t, v_float32)
191 ////////////////////// 16s -> ... ////////////////////////
193 DEF_CVT_FUNC(16s8u, cvt_, short, uchar, v_int16)
194 DEF_CVT_FUNC(16s8s, cvt_, short, schar, v_int16)
195 DEF_CVT_FUNC(16s16u, cvt_, short, ushort, v_int32)
196 DEF_CVT_FUNC(16s32s, cvt_, short, int, v_int32)
197 DEF_CVT_FUNC(16s32f, cvt_, short, float, v_float32)
198 DEF_CVT_FUNC(16s64f, cvt_, short, double, v_int32)
199 //DEF_CVT_FUNC(16s16f, cvt1_,short, float16_t, v_float32)
201 ////////////////////// 32s -> ... ////////////////////////
203 DEF_CVT_FUNC(32s8u, cvt_, int, uchar, v_int32)
204 DEF_CVT_FUNC(32s8s, cvt_, int, schar, v_int32)
205 DEF_CVT_FUNC(32s16u, cvt_, int, ushort, v_int32)
206 DEF_CVT_FUNC(32s16s, cvt_, int, short, v_int32)
207 DEF_CVT_FUNC(32s32f, cvt_, int, float, v_float32)
208 DEF_CVT_FUNC(32s64f, cvt_, int, double, v_int32)
209 //DEF_CVT_FUNC(32s16f, cvt1_,int, float16_t, v_float32)
211 ////////////////////// 32f -> ... ////////////////////////
213 DEF_CVT_FUNC(32f8u, cvt_, float, uchar, v_float32)
214 DEF_CVT_FUNC(32f8s, cvt_, float, schar, v_float32)
215 DEF_CVT_FUNC(32f16u, cvt_, float, ushort, v_float32)
216 DEF_CVT_FUNC(32f16s, cvt_, float, short, v_float32)
217 DEF_CVT_FUNC(32f32s, cvt_, float, int, v_float32)
218 DEF_CVT_FUNC(32f64f, cvt_, float, double, v_float32)
219 DEF_CVT_FUNC(32f16f, cvt1_,float, float16_t, v_float32)
221 ////////////////////// 64f -> ... ////////////////////////
223 DEF_CVT_FUNC(64f8u, cvt_, double, uchar, v_int32)
224 DEF_CVT_FUNC(64f8s, cvt_, double, schar, v_int32)
225 DEF_CVT_FUNC(64f16u, cvt_, double, ushort, v_int32)
226 DEF_CVT_FUNC(64f16s, cvt_, double, short, v_int32)
227 DEF_CVT_FUNC(64f32s, cvt_, double, int, v_int32)
228 DEF_CVT_FUNC(64f32f, cvt_, double, float, v_float32)
229 //DEF_CVT_FUNC(64f16f, cvt1_,double, float16_t, v_float32)
231 ////////////////////// 16f -> ... ////////////////////////
233 //DEF_CVT_FUNC(16f8u, cvt_, float16_t, uchar, v_float32)
234 //DEF_CVT_FUNC(16f8s, cvt_, float16_t, schar, v_float32)
235 //DEF_CVT_FUNC(16f16u, cvt1_, float16_t, ushort, v_float32)
236 //DEF_CVT_FUNC(16f16s, cvt1_, float16_t, short, v_float32)
237 //DEF_CVT_FUNC(16f32s, cvt1_, float16_t, int, v_float32)
238 DEF_CVT_FUNC(16f32f, cvt1_, float16_t, float, v_float32)
239 //DEF_CVT_FUNC(16f64f, cvt1_, float16_t, double, v_float32)
241 ///////////// "conversion" w/o conversion ///////////////
243 static void cvt8u(const uchar* src, size_t sstep, const uchar*, size_t, uchar* dst, size_t dstep, Size size, void*)
244 { CV_INSTRUMENT_REGION(); cvtCopy(src, sstep, dst, dstep, size, 1); }
246 static void cvt16u(const uchar* src, size_t sstep, const uchar*, size_t, uchar* dst, size_t dstep, Size size, void*)
247 { CV_INSTRUMENT_REGION(); cvtCopy((const uchar*)src, sstep, (uchar*)dst, dstep, size, 2); }
249 static void cvt32s(const uchar* src, size_t sstep, const uchar*, size_t, uchar* dst, size_t dstep, Size size, void*)
250 { CV_INSTRUMENT_REGION(); cvtCopy((const uchar*)src, sstep, (uchar*)dst, dstep, size, 4); }
252 static void cvt64s(const uchar* src, size_t sstep, const uchar*, size_t, uchar* dst, size_t dstep, Size size, void*)
253 { CV_INSTRUMENT_REGION(); cvtCopy((const uchar*)src, sstep, (uchar*)dst, dstep, size, 8); }
256 /* [TODO] Recover IPP calls
257 #if defined(HAVE_IPP)
258 #define DEF_CVT_FUNC_F(suffix, stype, dtype, ippFavor) \
259 static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
260 dtype* dst, size_t dstep, Size size, double*) \
262 CV_IPP_RUN(src && dst, CV_INSTRUMENT_FUN_IPP(ippiConvert_##ippFavor, src, (int)sstep, dst, (int)dstep, ippiSize(size.width, size.height)) >= 0) \
263 cvt_(src, sstep, dst, dstep, size); \
266 #define DEF_CVT_FUNC_F2(suffix, stype, dtype, ippFavor) \
267 static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
268 dtype* dst, size_t dstep, Size size, double*) \
270 CV_IPP_RUN(src && dst, CV_INSTRUMENT_FUN_IPP(ippiConvert_##ippFavor, src, (int)sstep, dst, (int)dstep, ippiSize(size.width, size.height), ippRndFinancial, 0) >= 0) \
271 cvt_(src, sstep, dst, dstep, size); \
274 #define DEF_CVT_FUNC_F(suffix, stype, dtype, ippFavor) \
275 static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
276 dtype* dst, size_t dstep, Size size, double*) \
278 cvt_(src, sstep, dst, dstep, size); \
280 #define DEF_CVT_FUNC_F2 DEF_CVT_FUNC_F
283 #define DEF_CVT_FUNC(suffix, stype, dtype) \
284 static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
285 dtype* dst, size_t dstep, Size size, double*) \
287 cvt_(src, sstep, dst, dstep, size); \
290 #define DEF_CPY_FUNC(suffix, stype) \
291 static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
292 stype* dst, size_t dstep, Size size, double*) \
294 cpy_(src, sstep, dst, dstep, size); \
297 DEF_CPY_FUNC(8u, uchar)
298 DEF_CVT_FUNC_F(8s8u, schar, uchar, 8s8u_C1Rs)
299 DEF_CVT_FUNC_F(16u8u, ushort, uchar, 16u8u_C1R)
300 DEF_CVT_FUNC_F(16s8u, short, uchar, 16s8u_C1R)
301 DEF_CVT_FUNC_F(32s8u, int, uchar, 32s8u_C1R)
302 DEF_CVT_FUNC_F2(32f8u, float, uchar, 32f8u_C1RSfs)
303 DEF_CVT_FUNC(64f8u, double, uchar)
305 DEF_CVT_FUNC_F2(8u8s, uchar, schar, 8u8s_C1RSfs)
306 DEF_CVT_FUNC_F2(16u8s, ushort, schar, 16u8s_C1RSfs)
307 DEF_CVT_FUNC_F2(16s8s, short, schar, 16s8s_C1RSfs)
308 DEF_CVT_FUNC_F(32s8s, int, schar, 32s8s_C1R)
309 DEF_CVT_FUNC_F2(32f8s, float, schar, 32f8s_C1RSfs)
310 DEF_CVT_FUNC(64f8s, double, schar)
312 DEF_CVT_FUNC_F(8u16u, uchar, ushort, 8u16u_C1R)
313 DEF_CVT_FUNC_F(8s16u, schar, ushort, 8s16u_C1Rs)
314 DEF_CPY_FUNC(16u, ushort)
315 DEF_CVT_FUNC_F(16s16u, short, ushort, 16s16u_C1Rs)
316 DEF_CVT_FUNC_F2(32s16u, int, ushort, 32s16u_C1RSfs)
317 DEF_CVT_FUNC_F2(32f16u, float, ushort, 32f16u_C1RSfs)
318 DEF_CVT_FUNC(64f16u, double, ushort)
320 DEF_CVT_FUNC_F(8u16s, uchar, short, 8u16s_C1R)
321 DEF_CVT_FUNC_F(8s16s, schar, short, 8s16s_C1R)
322 DEF_CVT_FUNC_F2(16u16s, ushort, short, 16u16s_C1RSfs)
323 DEF_CVT_FUNC_F2(32s16s, int, short, 32s16s_C1RSfs)
324 DEF_CVT_FUNC(32f16s, float, short)
325 DEF_CVT_FUNC(64f16s, double, short)
327 DEF_CVT_FUNC_F(8u32s, uchar, int, 8u32s_C1R)
328 DEF_CVT_FUNC_F(8s32s, schar, int, 8s32s_C1R)
329 DEF_CVT_FUNC_F(16u32s, ushort, int, 16u32s_C1R)
330 DEF_CVT_FUNC_F(16s32s, short, int, 16s32s_C1R)
331 DEF_CPY_FUNC(32s, int)
332 DEF_CVT_FUNC_F2(32f32s, float, int, 32f32s_C1RSfs)
333 DEF_CVT_FUNC(64f32s, double, int)
335 DEF_CVT_FUNC_F(8u32f, uchar, float, 8u32f_C1R)
336 DEF_CVT_FUNC_F(8s32f, schar, float, 8s32f_C1R)
337 DEF_CVT_FUNC_F(16u32f, ushort, float, 16u32f_C1R)
338 DEF_CVT_FUNC_F(16s32f, short, float, 16s32f_C1R)
339 DEF_CVT_FUNC_F(32s32f, int, float, 32s32f_C1R)
340 DEF_CVT_FUNC(64f32f, double, float)
342 DEF_CVT_FUNC(8u64f, uchar, double)
343 DEF_CVT_FUNC(8s64f, schar, double)
344 DEF_CVT_FUNC(16u64f, ushort, double)
345 DEF_CVT_FUNC(16s64f, short, double)
346 DEF_CVT_FUNC(32s64f, int, double)
347 DEF_CVT_FUNC(32f64f, float, double)
348 DEF_CPY_FUNC(64s, int64)
351 BinaryFunc getConvertFunc(int sdepth, int ddepth)
353 static BinaryFunc cvtTab[][8] =
356 (cvt8u), (cvt8s8u), (cvt16u8u),
357 (cvt16s8u), (cvt32s8u), (cvt32f8u),
358 (cvt64f8u), 0 //(cvt16f8u)
361 (cvt8u8s), cvt8u, (cvt16u8s),
362 (cvt16s8s), (cvt32s8s), (cvt32f8s),
363 (cvt64f8s), 0 //(cvt16f8s)
366 (cvt8u16u), (cvt8s16u), cvt16u,
367 (cvt16s16u), (cvt32s16u), (cvt32f16u),
368 (cvt64f16u), 0 //(cvt16f16u)
371 (cvt8u16s), (cvt8s16s), (cvt16u16s),
372 cvt16u, (cvt32s16s), (cvt32f16s),
373 (cvt64f16s), 0 //(cvt16f16s)
376 (cvt8u32s), (cvt8s32s), (cvt16u32s),
377 (cvt16s32s), cvt32s, (cvt32f32s),
378 (cvt64f32s), 0 //(cvt16f32s)
381 (cvt8u32f), (cvt8s32f), (cvt16u32f),
382 (cvt16s32f), (cvt32s32f), cvt32s,
383 (cvt64f32f), 0 //(cvt16f32f)
386 (cvt8u64f), (cvt8s64f), (cvt16u64f),
387 (cvt16s64f), (cvt32s64f), (cvt32f64f),
388 (cvt64s), 0 //(cvt16f64f)
391 0, 0, 0, 0, 0, 0, 0, 0
392 //(cvt8u16f), (cvt8s16f), (cvt16u16f), (cvt16s16f),
393 //(cvt32s16f), (cvt32f16f), (cvt64f16f), (cvt16u)
396 return cvtTab[CV_MAT_DEPTH(ddepth)][CV_MAT_DEPTH(sdepth)];
399 BinaryFunc get_cvt32f16f()
404 BinaryFunc get_cvt16f32f()
411 CV_CPU_OPTIMIZATION_NAMESPACE_END