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copy.cpp
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copy.cpp
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/*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) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009-2011, Willow Garage Inc., all rights reserved.
// Copyright (C) 2014, Itseez Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// 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 materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
/* ////////////////////////////////////////////////////////////////////
//
// Mat basic operations: Copy, Set
//
// */
#include "precomp.hpp"
#include "opencl_kernels_core.hpp"
namespace cv
{
template<typename T> static void
copyMask_(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, uchar* _dst, size_t dstep, Size size)
{
for( ; size.height--; mask += mstep, _src += sstep, _dst += dstep )
{
const T* src = (const T*)_src;
T* dst = (T*)_dst;
int x = 0;
#if CV_ENABLE_UNROLLED
for( ; x <= size.width - 4; x += 4 )
{
if( mask[x] )
dst[x] = src[x];
if( mask[x+1] )
dst[x+1] = src[x+1];
if( mask[x+2] )
dst[x+2] = src[x+2];
if( mask[x+3] )
dst[x+3] = src[x+3];
}
#endif
for( ; x < size.width; x++ )
if( mask[x] )
dst[x] = src[x];
}
}
template<> void
copyMask_<uchar>(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, uchar* _dst, size_t dstep, Size size)
{
CV_IPP_RUN_FAST(CV_INSTRUMENT_FUN_IPP(ippiCopy_8u_C1MR, _src, (int)sstep, _dst, (int)dstep, ippiSize(size), mask, (int)mstep) >= 0)
for( ; size.height--; mask += mstep, _src += sstep, _dst += dstep )
{
const uchar* src = (const uchar*)_src;
uchar* dst = (uchar*)_dst;
int x = 0;
#if CV_SIMD
{
v_uint8 v_zero = vx_setzero_u8();
for( ; x <= size.width - v_uint8::nlanes; x += v_uint8::nlanes )
{
v_uint8 v_src = vx_load(src + x),
v_dst = vx_load(dst + x),
v_nmask = vx_load(mask + x) == v_zero;
v_dst = v_select(v_nmask, v_dst, v_src);
v_store(dst + x, v_dst);
}
}
vx_cleanup();
#endif
for( ; x < size.width; x++ )
if( mask[x] )
dst[x] = src[x];
}
}
template<> void
copyMask_<ushort>(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, uchar* _dst, size_t dstep, Size size)
{
CV_IPP_RUN_FAST(CV_INSTRUMENT_FUN_IPP(ippiCopy_16u_C1MR, (const Ipp16u *)_src, (int)sstep, (Ipp16u *)_dst, (int)dstep, ippiSize(size), mask, (int)mstep) >= 0)
for( ; size.height--; mask += mstep, _src += sstep, _dst += dstep )
{
const ushort* src = (const ushort*)_src;
ushort* dst = (ushort*)_dst;
int x = 0;
#if CV_SIMD
{
v_uint8 v_zero = vx_setzero_u8();
for( ; x <= size.width - v_uint8::nlanes; x += v_uint8::nlanes )
{
v_uint16 v_src1 = vx_load(src + x), v_src2 = vx_load(src + x + v_uint16::nlanes),
v_dst1 = vx_load(dst + x), v_dst2 = vx_load(dst + x + v_uint16::nlanes);
v_uint8 v_nmask1, v_nmask2;
v_uint8 v_nmask = vx_load(mask + x) == v_zero;
v_zip(v_nmask, v_nmask, v_nmask1, v_nmask2);
v_dst1 = v_select(v_reinterpret_as_u16(v_nmask1), v_dst1, v_src1);
v_dst2 = v_select(v_reinterpret_as_u16(v_nmask2), v_dst2, v_src2);
v_store(dst + x, v_dst1);
v_store(dst + x + v_uint16::nlanes, v_dst2);
}
}
vx_cleanup();
#endif
for( ; x < size.width; x++ )
if( mask[x] )
dst[x] = src[x];
}
}
static void
copyMaskGeneric(const uchar* _src, size_t sstep, const uchar* mask, size_t mstep, uchar* _dst, size_t dstep, Size size, void* _esz)
{
size_t k, esz = *(size_t*)_esz;
for( ; size.height--; mask += mstep, _src += sstep, _dst += dstep )
{
const uchar* src = _src;
uchar* dst = _dst;
int x = 0;
for( ; x < size.width; x++, src += esz, dst += esz )
{
if( !mask[x] )
continue;
for( k = 0; k < esz; k++ )
dst[k] = src[k];
}
}
}
#define DEF_COPY_MASK(suffix, type) \
static void copyMask##suffix(const uchar* src, size_t sstep, const uchar* mask, size_t mstep, \
uchar* dst, size_t dstep, Size size, void*) \
{ \
copyMask_<type>(src, sstep, mask, mstep, dst, dstep, size); \
}
#if defined HAVE_IPP
#define DEF_COPY_MASK_F(suffix, type, ippfavor, ipptype) \
static void copyMask##suffix(const uchar* src, size_t sstep, const uchar* mask, size_t mstep, \
uchar* dst, size_t dstep, Size size, void*) \
{ \
CV_IPP_RUN_FAST(CV_INSTRUMENT_FUN_IPP(ippiCopy_##ippfavor, (const ipptype *)src, (int)sstep, (ipptype *)dst, (int)dstep, ippiSize(size), (const Ipp8u *)mask, (int)mstep) >= 0)\
copyMask_<type>(src, sstep, mask, mstep, dst, dstep, size); \
}
#else
#define DEF_COPY_MASK_F(suffix, type, ippfavor, ipptype) \
static void copyMask##suffix(const uchar* src, size_t sstep, const uchar* mask, size_t mstep, \
uchar* dst, size_t dstep, Size size, void*) \
{ \
copyMask_<type>(src, sstep, mask, mstep, dst, dstep, size); \
}
#endif
#if IPP_VERSION_X100 == 901 // bug in IPP 9.0.1
DEF_COPY_MASK(32sC3, Vec3i)
DEF_COPY_MASK(8uC3, Vec3b)
#else
DEF_COPY_MASK_F(8uC3, Vec3b, 8u_C3MR, Ipp8u)
DEF_COPY_MASK_F(32sC3, Vec3i, 32s_C3MR, Ipp32s)
#endif
DEF_COPY_MASK(8u, uchar)
DEF_COPY_MASK(16u, ushort)
DEF_COPY_MASK_F(32s, int, 32s_C1MR, Ipp32s)
DEF_COPY_MASK_F(16uC3, Vec3s, 16u_C3MR, Ipp16u)
DEF_COPY_MASK(32sC2, Vec2i)
DEF_COPY_MASK_F(32sC4, Vec4i, 32s_C4MR, Ipp32s)
DEF_COPY_MASK(32sC6, Vec6i)
DEF_COPY_MASK(32sC8, Vec8i)
BinaryFunc copyMaskTab[] =
{
0,
copyMask8u,
copyMask16u,
copyMask8uC3,
copyMask32s,
0,
copyMask16uC3,
0,
copyMask32sC2,
0, 0, 0,
copyMask32sC3,
0, 0, 0,
copyMask32sC4,
0, 0, 0, 0, 0, 0, 0,
copyMask32sC6,
0, 0, 0, 0, 0, 0, 0,
copyMask32sC8
};
BinaryFunc getCopyMaskFunc(size_t esz)
{
return esz <= 32 && copyMaskTab[esz] ? copyMaskTab[esz] : copyMaskGeneric;
}
/* dst = src */
void Mat::copyTo( OutputArray _dst ) const
{
CV_INSTRUMENT_REGION();
#ifdef HAVE_CUDA
if (_dst.isGpuMat())
{
_dst.getGpuMat().upload(*this);
return;
}
#endif
int dtype = _dst.type();
if( _dst.fixedType() && dtype != type() )
{
CV_Assert( channels() == CV_MAT_CN(dtype) );
convertTo( _dst, dtype );
return;
}
if( empty() )
{
_dst.release();
return;
}
if( _dst.isUMat() )
{
_dst.create( dims, size.p, type() );
UMat dst = _dst.getUMat();
CV_Assert(dst.u != NULL);
size_t i, sz[CV_MAX_DIM] = {0}, dstofs[CV_MAX_DIM], esz = elemSize();
CV_Assert(dims > 0 && dims < CV_MAX_DIM);
for( i = 0; i < (size_t)dims; i++ )
sz[i] = size.p[i];
sz[dims-1] *= esz;
dst.ndoffset(dstofs);
dstofs[dims-1] *= esz;
dst.u->currAllocator->upload(dst.u, data, dims, sz, dstofs, dst.step.p, step.p);
return;
}
if( dims <= 2 )
{
_dst.create( rows, cols, type() );
Mat dst = _dst.getMat();
if( data == dst.data )
return;
if( rows > 0 && cols > 0 )
{
Mat src = *this;
Size sz = getContinuousSize2D(src, dst, (int)elemSize());
CV_CheckGE(sz.width, 0, "");
const uchar* sptr = src.data;
uchar* dptr = dst.data;
#if IPP_VERSION_X100 >= 201700
CV_IPP_RUN_FAST(CV_INSTRUMENT_FUN_IPP(ippiCopy_8u_C1R_L, sptr, (int)src.step, dptr, (int)dst.step, ippiSizeL(sz.width, sz.height)) >= 0)
#endif
for (; sz.height--; sptr += src.step, dptr += dst.step)
memcpy(dptr, sptr, sz.width);
}
return;
}
_dst.create( dims, size, type() );
Mat dst = _dst.getMat();
if( data == dst.data )
return;
if( total() != 0 )
{
const Mat* arrays[] = { this, &dst };
uchar* ptrs[2] = {};
NAryMatIterator it(arrays, ptrs, 2);
size_t sz = it.size*elemSize();
for( size_t i = 0; i < it.nplanes; i++, ++it )
memcpy(ptrs[1], ptrs[0], sz);
}
}
#ifdef HAVE_IPP
static bool ipp_copyTo(const Mat &src, Mat &dst, const Mat &mask)
{
#ifdef HAVE_IPP_IW_LL
CV_INSTRUMENT_REGION_IPP();
if(mask.channels() > 1 || mask.depth() != CV_8U)
return false;
if (src.dims <= 2)
{
IppiSize size = ippiSize(src.size());
return CV_INSTRUMENT_FUN_IPP(llwiCopyMask, src.ptr(), (int)src.step, dst.ptr(), (int)dst.step, size, (int)src.elemSize1(), src.channels(), mask.ptr(), (int)mask.step) >= 0;
}
else
{
const Mat *arrays[] = {&src, &dst, &mask, NULL};
uchar *ptrs[3] = {NULL};
NAryMatIterator it(arrays, ptrs);
IppiSize size = ippiSize(it.size, 1);
for (size_t i = 0; i < it.nplanes; i++, ++it)
{
if(CV_INSTRUMENT_FUN_IPP(llwiCopyMask, ptrs[0], 0, ptrs[1], 0, size, (int)src.elemSize1(), src.channels(), ptrs[2], 0) < 0)
return false;
}
return true;
}
#else
CV_UNUSED(src); CV_UNUSED(dst); CV_UNUSED(mask);
return false;
#endif
}
#endif
void Mat::copyTo( OutputArray _dst, InputArray _mask ) const
{
CV_INSTRUMENT_REGION();
Mat mask = _mask.getMat();
if( !mask.data )
{
copyTo(_dst);
return;
}
int cn = channels(), mcn = mask.channels();
CV_Assert( mask.depth() == CV_8U && (mcn == 1 || mcn == cn) );
bool colorMask = mcn > 1;
if( dims <= 2 )
{
CV_Assert( size() == mask.size() );
}
Mat dst;
{
Mat dst0 = _dst.getMat();
_dst.create(dims, size, type()); // TODO Prohibit 'dst' re-creation, user should pass it explicitly with correct size/type or empty
dst = _dst.getMat();
if (dst.data != dst0.data) // re-allocation happened
{
#ifdef OPENCV_FUTURE
CV_Assert(dst0.empty() &&
"copyTo(): dst size/type mismatch (looks like a bug) - use dst.release() before copyTo() call to suppress this message");
#endif
dst = Scalar(0); // do not leave dst uninitialized
}
}
CV_IPP_RUN_FAST(ipp_copyTo(*this, dst, mask))
size_t esz = colorMask ? elemSize1() : elemSize();
BinaryFunc copymask = getCopyMaskFunc(esz);
if( dims <= 2 )
{
Mat src = *this;
Size sz = getContinuousSize2D(src, dst, mask, mcn);
copymask(src.data, src.step, mask.data, mask.step, dst.data, dst.step, sz, &esz);
return;
}
const Mat* arrays[] = { this, &dst, &mask, 0 };
uchar* ptrs[3] = {};
NAryMatIterator it(arrays, ptrs);
Size sz((int)(it.size*mcn), 1);
for( size_t i = 0; i < it.nplanes; i++, ++it )
copymask(ptrs[0], 0, ptrs[2], 0, ptrs[1], 0, sz, &esz);
}
static bool can_apply_memset(const Mat &mat, const Scalar &s, int &fill_value)
{
// check if depth is 1 byte.
switch (mat.depth())
{
case CV_8U: fill_value = saturate_cast<uchar>( s.val[0] ); break;
case CV_8S: fill_value = saturate_cast<schar>( s.val[0] ); break;
default: return false;
}
// check if all element is same.
const int64* is = (const int64*)&s.val[0];
switch (mat.channels())
{
case 1: return true;
case 2: return (is[0] == is[1]);
case 3: return (is[0] == is[1] && is[1] == is[2]);
case 4: return (is[0] == is[1] && is[1] == is[2] && is[2] == is[3]);
default: return false;
}
}
Mat& Mat::operator = (const Scalar& s)
{
CV_INSTRUMENT_REGION();
if (this->empty())
return *this;
const Mat* arrays[] = { this };
uchar* dptr;
NAryMatIterator it(arrays, &dptr, 1);
size_t elsize = it.size*elemSize();
const int64* is = (const int64*)&s.val[0];
if( is[0] == 0 && is[1] == 0 && is[2] == 0 && is[3] == 0 )
{
for( size_t i = 0; i < it.nplanes; i++, ++it )
memset( dptr, 0, elsize );
}
else
{
int fill_value = 0;
if ( can_apply_memset(*this, s, fill_value) )
{
for (size_t i = 0; i < it.nplanes; i++, ++it)
memset(dptr, fill_value, elsize);
return *this;
}
if( it.nplanes > 0 )
{
double scalar[12];
scalarToRawData(s, scalar, type(), 12);
size_t blockSize = 12*elemSize1();
for( size_t j = 0; j < elsize; j += blockSize )
{
size_t sz = MIN(blockSize, elsize - j);
CV_Assert(sz <= sizeof(scalar));
memcpy( dptr + j, scalar, sz );
}
}
for( size_t i = 1; i < it.nplanes; i++ )
{
++it;
memcpy( dptr, data, elsize );
}
}
return *this;
}
#ifdef HAVE_IPP
static bool ipp_Mat_setTo_Mat(Mat &dst, Mat &_val, Mat &mask)
{
#ifdef HAVE_IPP_IW_LL
CV_INSTRUMENT_REGION_IPP();
if(mask.empty())
return false;
if(mask.depth() != CV_8U || mask.channels() > 1)
return false;
if(dst.channels() > 4)
return false;
if (dst.depth() == CV_32F)
{
for (int i = 0; i < (int)(_val.total()); i++)
{
float v = (float)(_val.at<double>(i)); // cast to float
if (cvIsNaN(v) || cvIsInf(v)) // accept finite numbers only
return false;
}
}
if(dst.dims <= 2)
{
IppiSize size = ippiSize(dst.size());
IppDataType dataType = ippiGetDataType(dst.depth());
::ipp::IwValueFloat s;
convertAndUnrollScalar(_val, CV_MAKETYPE(CV_64F, dst.channels()), (uchar*)((Ipp64f*)s), 1);
return CV_INSTRUMENT_FUN_IPP(llwiSetMask, s, dst.ptr(), (int)dst.step, size, dataType, dst.channels(), mask.ptr(), (int)mask.step) >= 0;
}
else
{
const Mat *arrays[] = {&dst, mask.empty()?NULL:&mask, NULL};
uchar *ptrs[2] = {NULL};
NAryMatIterator it(arrays, ptrs);
IppiSize size = {(int)it.size, 1};
IppDataType dataType = ippiGetDataType(dst.depth());
::ipp::IwValueFloat s;
convertAndUnrollScalar(_val, CV_MAKETYPE(CV_64F, dst.channels()), (uchar*)((Ipp64f*)s), 1);
for( size_t i = 0; i < it.nplanes; i++, ++it)
{
if(CV_INSTRUMENT_FUN_IPP(llwiSetMask, s, ptrs[0], 0, size, dataType, dst.channels(), ptrs[1], 0) < 0)
return false;
}
return true;
}
#else
CV_UNUSED(dst); CV_UNUSED(_val); CV_UNUSED(mask);
return false;
#endif
}
#endif
Mat& Mat::setTo(InputArray _value, InputArray _mask)
{
CV_INSTRUMENT_REGION();
if( empty() )
return *this;
Mat value = _value.getMat(), mask = _mask.getMat();
CV_Assert( checkScalar(value, type(), _value.kind(), _InputArray::MAT ));
int cn = channels(), mcn = mask.channels();
CV_Assert( mask.empty() || (mask.depth() == CV_8U && (mcn == 1 || mcn == cn) && size == mask.size) );
CV_IPP_RUN_FAST(ipp_Mat_setTo_Mat(*this, value, mask), *this)
size_t esz = mcn > 1 ? elemSize1() : elemSize();
BinaryFunc copymask = getCopyMaskFunc(esz);
const Mat* arrays[] = { this, !mask.empty() ? &mask : 0, 0 };
uchar* ptrs[2]={0,0};
NAryMatIterator it(arrays, ptrs);
int totalsz = (int)it.size*mcn;
int blockSize0 = std::min(totalsz, (int)((BLOCK_SIZE + esz-1)/esz));
blockSize0 -= blockSize0 % mcn; // must be divisible without remainder for unrolling and advancing
AutoBuffer<uchar> _scbuf(blockSize0*esz + 32);
uchar* scbuf = alignPtr((uchar*)_scbuf.data(), (int)sizeof(double));
convertAndUnrollScalar( value, type(), scbuf, blockSize0/mcn );
for( size_t i = 0; i < it.nplanes; i++, ++it )
{
for( int j = 0; j < totalsz; j += blockSize0 )
{
Size sz(std::min(blockSize0, totalsz - j), 1);
size_t blockSize = sz.width*esz;
if( ptrs[1] )
{
copymask(scbuf, 0, ptrs[1], 0, ptrs[0], 0, sz, &esz);
ptrs[1] += sz.width;
}
else
memcpy(ptrs[0], scbuf, blockSize);
ptrs[0] += blockSize;
}
}
return *this;
}
#if CV_SIMD128
template<typename V> CV_ALWAYS_INLINE void flipHoriz_single( const uchar* src, size_t sstep, uchar* dst, size_t dstep, Size size, size_t esz )
{
typedef typename V::lane_type T;
int end = (int)(size.width*esz);
int width = (end + 1)/2;
int width_1 = width & -v_uint8x16::nlanes;
int i, j;
#if CV_STRONG_ALIGNMENT
CV_Assert(isAligned<sizeof(T)>(src, dst));
#endif
for( ; size.height--; src += sstep, dst += dstep )
{
for( i = 0, j = end; i < width_1; i += v_uint8x16::nlanes, j -= v_uint8x16::nlanes )
{
V t0, t1;
t0 = v_load((T*)((uchar*)src + i));
t1 = v_load((T*)((uchar*)src + j - v_uint8x16::nlanes));
t0 = v_reverse(t0);
t1 = v_reverse(t1);
v_store((T*)(dst + j - v_uint8x16::nlanes), t0);
v_store((T*)(dst + i), t1);
}
if (isAligned<sizeof(T)>(src, dst))
{
for ( ; i < width; i += sizeof(T), j -= sizeof(T) )
{
T t0, t1;
t0 = *((T*)((uchar*)src + i));
t1 = *((T*)((uchar*)src + j - sizeof(T)));
*((T*)(dst + j - sizeof(T))) = t0;
*((T*)(dst + i)) = t1;
}
}
else
{
for ( ; i < width; i += sizeof(T), j -= sizeof(T) )
{
for (int k = 0; k < (int)sizeof(T); k++)
{
uchar t0, t1;
t0 = *((uchar*)src + i + k);
t1 = *((uchar*)src + j + k - sizeof(T));
*(dst + j + k - sizeof(T)) = t0;
*(dst + i + k) = t1;
}
}
}
}
}
template<typename T1, typename T2> CV_ALWAYS_INLINE void flipHoriz_double( const uchar* src, size_t sstep, uchar* dst, size_t dstep, Size size, size_t esz )
{
int end = (int)(size.width*esz);
int width = (end + 1)/2;
#if CV_STRONG_ALIGNMENT
CV_Assert(isAligned<sizeof(T1)>(src, dst));
CV_Assert(isAligned<sizeof(T2)>(src, dst));
#endif
for( ; size.height--; src += sstep, dst += dstep )
{
for ( int i = 0, j = end; i < width; i += sizeof(T1) + sizeof(T2), j -= sizeof(T1) + sizeof(T2) )
{
T1 t0, t1;
T2 t2, t3;
t0 = *((T1*)((uchar*)src + i));
t2 = *((T2*)((uchar*)src + i + sizeof(T1)));
t1 = *((T1*)((uchar*)src + j - sizeof(T1) - sizeof(T2)));
t3 = *((T2*)((uchar*)src + j - sizeof(T2)));
*((T1*)(dst + j - sizeof(T1) - sizeof(T2))) = t0;
*((T2*)(dst + j - sizeof(T2))) = t2;
*((T1*)(dst + i)) = t1;
*((T2*)(dst + i + sizeof(T1))) = t3;
}
}
}
#endif
static void
flipHoriz( const uchar* src, size_t sstep, uchar* dst, size_t dstep, Size size, size_t esz )
{
#if CV_SIMD
#if CV_STRONG_ALIGNMENT
size_t alignmentMark = ((size_t)src)|((size_t)dst)|sstep|dstep;
#endif
if (esz == 2 * v_uint8x16::nlanes)
{
int end = (int)(size.width*esz);
int width = end/2;
for( ; size.height--; src += sstep, dst += dstep )
{
for( int i = 0, j = end - 2 * v_uint8x16::nlanes; i < width; i += 2 * v_uint8x16::nlanes, j -= 2 * v_uint8x16::nlanes )
{
#if CV_SIMD256
v_uint8x32 t0, t1;
t0 = v256_load((uchar*)src + i);
t1 = v256_load((uchar*)src + j);
v_store(dst + j, t0);
v_store(dst + i, t1);
#else
v_uint8x16 t0, t1, t2, t3;
t0 = v_load((uchar*)src + i);
t1 = v_load((uchar*)src + i + v_uint8x16::nlanes);
t2 = v_load((uchar*)src + j);
t3 = v_load((uchar*)src + j + v_uint8x16::nlanes);
v_store(dst + j, t0);
v_store(dst + j + v_uint8x16::nlanes, t1);
v_store(dst + i, t2);
v_store(dst + i + v_uint8x16::nlanes, t3);
#endif
}
}
}
else if (esz == v_uint8x16::nlanes)
{
int end = (int)(size.width*esz);
int width = end/2;
for( ; size.height--; src += sstep, dst += dstep )
{
for( int i = 0, j = end - v_uint8x16::nlanes; i < width; i += v_uint8x16::nlanes, j -= v_uint8x16::nlanes )
{
v_uint8x16 t0, t1;
t0 = v_load((uchar*)src + i);
t1 = v_load((uchar*)src + j);
v_store(dst + j, t0);
v_store(dst + i, t1);
}
}
}
else if (esz == 8
#if CV_STRONG_ALIGNMENT
&& isAligned<sizeof(uint64)>(alignmentMark)
#endif
)
{
flipHoriz_single<v_uint64x2>(src, sstep, dst, dstep, size, esz);
}
else if (esz == 4
#if CV_STRONG_ALIGNMENT
&& isAligned<sizeof(unsigned)>(alignmentMark)
#endif
)
{
flipHoriz_single<v_uint32x4>(src, sstep, dst, dstep, size, esz);
}
else if (esz == 2
#if CV_STRONG_ALIGNMENT
&& isAligned<sizeof(ushort)>(alignmentMark)
#endif
)
{
flipHoriz_single<v_uint16x8>(src, sstep, dst, dstep, size, esz);
}
else if (esz == 1)
{
flipHoriz_single<v_uint8x16>(src, sstep, dst, dstep, size, esz);
}
else if (esz == 24
#if CV_STRONG_ALIGNMENT
&& isAligned<sizeof(uint64_t)>(alignmentMark)
#endif
)
{
int end = (int)(size.width*esz);
int width = (end + 1)/2;
for( ; size.height--; src += sstep, dst += dstep )
{
for ( int i = 0, j = end; i < width; i += v_uint8x16::nlanes + sizeof(uint64_t), j -= v_uint8x16::nlanes + sizeof(uint64_t) )
{
v_uint8x16 t0, t1;
uint64_t t2, t3;
t0 = v_load((uchar*)src + i);
t2 = *((uint64_t*)((uchar*)src + i + v_uint8x16::nlanes));
t1 = v_load((uchar*)src + j - v_uint8x16::nlanes - sizeof(uint64_t));
t3 = *((uint64_t*)((uchar*)src + j - sizeof(uint64_t)));
v_store(dst + j - v_uint8x16::nlanes - sizeof(uint64_t), t0);
*((uint64_t*)(dst + j - sizeof(uint64_t))) = t2;
v_store(dst + i, t1);
*((uint64_t*)(dst + i + v_uint8x16::nlanes)) = t3;
}
}
}
#if !CV_STRONG_ALIGNMENT
else if (esz == 12)
{
flipHoriz_double<uint64_t,uint>(src, sstep, dst, dstep, size, esz);
}
else if (esz == 6)
{
flipHoriz_double<uint,ushort>(src, sstep, dst, dstep, size, esz);
}
else if (esz == 3)
{
flipHoriz_double<ushort,uchar>(src, sstep, dst, dstep, size, esz);
}
#endif
else
#endif // CV_SIMD
{
int i, j, limit = (int)(((size.width + 1)/2)*esz);
AutoBuffer<int> _tab(size.width*esz);
int* tab = _tab.data();
for( i = 0; i < size.width; i++ )
for( size_t k = 0; k < esz; k++ )
tab[i*esz + k] = (int)((size.width - i - 1)*esz + k);
for( ; size.height--; src += sstep, dst += dstep )
{
for( i = 0; i < limit; i++ )
{
j = tab[i];
uchar t0 = src[i], t1 = src[j];
dst[i] = t1; dst[j] = t0;
}
}
}
}
static void
flipVert( const uchar* src0, size_t sstep, uchar* dst0, size_t dstep, Size size, size_t esz )
{
const uchar* src1 = src0 + (size.height - 1)*sstep;
uchar* dst1 = dst0 + (size.height - 1)*dstep;
size.width *= (int)esz;
for( int y = 0; y < (size.height + 1)/2; y++, src0 += sstep, src1 -= sstep,
dst0 += dstep, dst1 -= dstep )
{
int i = 0;
#if CV_SIMD
#if CV_STRONG_ALIGNMENT
if (isAligned<sizeof(int)>(src0, src1, dst0, dst1))
#endif
{
for (; i <= size.width - CV_SIMD_WIDTH; i += CV_SIMD_WIDTH)
{
v_int32 t0 = vx_load((int*)(src0 + i));
v_int32 t1 = vx_load((int*)(src1 + i));
vx_store((int*)(dst0 + i), t1);
vx_store((int*)(dst1 + i), t0);
}
}
#if CV_STRONG_ALIGNMENT
else
{
for (; i <= size.width - CV_SIMD_WIDTH; i += CV_SIMD_WIDTH)
{
v_uint8 t0 = vx_load(src0 + i);
v_uint8 t1 = vx_load(src1 + i);
vx_store(dst0 + i, t1);
vx_store(dst1 + i, t0);
}
}
#endif
#endif
if (isAligned<sizeof(int)>(src0, src1, dst0, dst1))
{
for( ; i <= size.width - 16; i += 16 )
{
int t0 = ((int*)(src0 + i))[0];
int t1 = ((int*)(src1 + i))[0];
((int*)(dst0 + i))[0] = t1;
((int*)(dst1 + i))[0] = t0;
t0 = ((int*)(src0 + i))[1];
t1 = ((int*)(src1 + i))[1];
((int*)(dst0 + i))[1] = t1;
((int*)(dst1 + i))[1] = t0;
t0 = ((int*)(src0 + i))[2];
t1 = ((int*)(src1 + i))[2];
((int*)(dst0 + i))[2] = t1;
((int*)(dst1 + i))[2] = t0;
t0 = ((int*)(src0 + i))[3];
t1 = ((int*)(src1 + i))[3];
((int*)(dst0 + i))[3] = t1;
((int*)(dst1 + i))[3] = t0;
}
for( ; i <= size.width - 4; i += 4 )
{
int t0 = ((int*)(src0 + i))[0];
int t1 = ((int*)(src1 + i))[0];
((int*)(dst0 + i))[0] = t1;
((int*)(dst1 + i))[0] = t0;
}
}
for( ; i < size.width; i++ )
{
uchar t0 = src0[i];
uchar t1 = src1[i];
dst0[i] = t1;
dst1[i] = t0;
}
}
}
#ifdef HAVE_OPENCL
enum { FLIP_COLS = 1 << 0, FLIP_ROWS = 1 << 1, FLIP_BOTH = FLIP_ROWS | FLIP_COLS };
static bool ocl_flip(InputArray _src, OutputArray _dst, int flipCode )
{
CV_Assert(flipCode >= -1 && flipCode <= 1);
const ocl::Device & dev = ocl::Device::getDefault();
int type = _src.type(), depth = CV_MAT_DEPTH(type), cn = CV_MAT_CN(type),
flipType, kercn = std::min(ocl::predictOptimalVectorWidth(_src, _dst), 4);
bool doubleSupport = dev.doubleFPConfig() > 0;
if (!doubleSupport && depth == CV_64F)
kercn = cn;
if (cn > 4)
return false;
const char * kernelName;
if (flipCode == 0)
kernelName = "arithm_flip_rows", flipType = FLIP_ROWS;
else if (flipCode > 0)
kernelName = "arithm_flip_cols", flipType = FLIP_COLS;
else
kernelName = "arithm_flip_rows_cols", flipType = FLIP_BOTH;
int pxPerWIy = (dev.isIntel() && (dev.type() & ocl::Device::TYPE_GPU)) ? 4 : 1;
kercn = (cn!=3 || flipType == FLIP_ROWS) ? std::max(kercn, cn) : cn;
ocl::Kernel k(kernelName, ocl::core::flip_oclsrc,
format( "-D T=%s -D T1=%s -D DEPTH=%d -D cn=%d -D PIX_PER_WI_Y=%d -D kercn=%d",
kercn != cn ? ocl::typeToStr(CV_MAKE_TYPE(depth, kercn)) : ocl::vecopTypeToStr(CV_MAKE_TYPE(depth, kercn)),
kercn != cn ? ocl::typeToStr(depth) : ocl::vecopTypeToStr(depth), depth, cn, pxPerWIy, kercn));
if (k.empty())
return false;
Size size = _src.size();
_dst.create(size, type);
UMat src = _src.getUMat(), dst = _dst.getUMat();
int cols = size.width * cn / kercn, rows = size.height;
cols = flipType == FLIP_COLS ? (cols + 1) >> 1 : cols;
rows = flipType & FLIP_ROWS ? (rows + 1) >> 1 : rows;
k.args(ocl::KernelArg::ReadOnlyNoSize(src),
ocl::KernelArg::WriteOnly(dst, cn, kercn), rows, cols);
size_t maxWorkGroupSize = dev.maxWorkGroupSize();
CV_Assert(maxWorkGroupSize % 4 == 0);
size_t globalsize[2] = { (size_t)cols, ((size_t)rows + pxPerWIy - 1) / pxPerWIy },
localsize[2] = { maxWorkGroupSize / 4, 4 };
return k.run(2, globalsize, (flipType == FLIP_COLS) && !dev.isIntel() ? localsize : NULL, false);
}
#endif
#if defined HAVE_IPP
static bool ipp_flip(Mat &src, Mat &dst, int flip_mode)
{
#ifdef HAVE_IPP_IW
CV_INSTRUMENT_REGION_IPP();
// Details: https://github.com/opencv/opencv/issues/12943
if (flip_mode <= 0 /* swap rows */
&& cv::ipp::getIppTopFeatures() != ippCPUID_SSE42
&& (int64_t)(src.total()) * src.elemSize() >= CV_BIG_INT(0x80000000)/*2Gb*/
)
return false;
IppiAxis ippMode;
if(flip_mode < 0)
ippMode = ippAxsBoth;
else if(flip_mode == 0)
ippMode = ippAxsHorizontal;
else
ippMode = ippAxsVertical;
try
{
::ipp::IwiImage iwSrc = ippiGetImage(src);