mirror of https://github.com/opencv/opencv.git
Alexander Alekhin
6 years ago
commit
b6a0acb8f6
1 changed files with 527 additions and 0 deletions
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html
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#include "precomp.hpp" |
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#include "opencl_kernels_core.hpp" |
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#include "convert.hpp" |
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namespace cv { |
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/*namespace hal {
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void cvt16f32f( const float16_t* src, float* dst, int len ) |
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{ |
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int j = 0; |
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#if CV_SIMD |
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const int VECSZ = v_float32::nlanes; |
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for( ; j < len; j += VECSZ ) |
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{ |
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if( j > len - VECSZ ) |
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{ |
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if( j == 0 ) |
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break; |
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j = len - VECSZ; |
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} |
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v_store(dst + j, vx_load_expand(src + j)); |
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} |
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#endif |
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for( ; j < len; j++ ) |
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dst[j] = (float)src[j]; |
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} |
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void cvt32f16f( const float* src, float16_t* dst, int len ) |
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{ |
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int j = 0; |
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#if CV_SIMD |
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const int VECSZ = v_float32::nlanes; |
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for( ; j < len; j += VECSZ ) |
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{ |
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if( j > len - VECSZ ) |
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{ |
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if( j == 0 ) |
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break; |
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j = len - VECSZ; |
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} |
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v_pack_store(dst + j, vx_load(src + j)); |
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} |
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#endif |
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for( ; j < len; j++ ) |
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dst[j] = float16_t(src[j]); |
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} |
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/*void addRNGBias32f( float* arr, const float* scaleBiasPairs, int len )
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{ |
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// the loop is simple enough, so we let the compiler to vectorize it
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for( int i = 0; i < len; i++ ) |
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arr[i] = scaleBiasPairs[i*2 + 1]; |
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} |
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void addRNGBias64f( double* arr, const double* scaleBiasPairs, int len ) |
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{ |
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// the loop is simple enough, so we let the compiler to vectorize it
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for( int i = 0; i < len; i++ ) |
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arr[i] = scaleBiasPairs[i*2 + 1]; |
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} |
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}*/ |
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template<typename _Ts, typename _Td, typename _Twvec> inline void |
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cvt_( const _Ts* src, size_t sstep, _Td* dst, size_t dstep, Size size ) |
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{ |
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sstep /= sizeof(src[0]); |
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dstep /= sizeof(dst[0]); |
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for( int i = 0; i < size.height; i++, src += sstep, dst += dstep ) |
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{ |
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int j = 0; |
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#if CV_SIMD |
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const int VECSZ = _Twvec::nlanes*2; |
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for( ; j < size.width; j += VECSZ ) |
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{ |
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if( j > size.width - VECSZ ) |
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{ |
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if( j == 0 || src == (_Ts*)dst ) |
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break; |
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j = size.width - VECSZ; |
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} |
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_Twvec v0, v1; |
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vx_load_pair_as(src + j, v0, v1); |
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v_store_pair_as(dst + j, v0, v1); |
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} |
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#endif |
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for( ; j < size.width; j++ ) |
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dst[j] = saturate_cast<_Td>(src[j]); |
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} |
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} |
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// in order to reduce the code size, for (16f <-> ...) conversions
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// we add a conversion function without loop unrolling
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template<typename _Ts, typename _Td, typename _Twvec> inline void |
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cvt1_( const _Ts* src, size_t sstep, _Td* dst, size_t dstep, Size size ) |
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{ |
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sstep /= sizeof(src[0]); |
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dstep /= sizeof(dst[0]); |
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for( int i = 0; i < size.height; i++, src += sstep, dst += dstep ) |
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{ |
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int j = 0; |
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#if CV_SIMD |
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const int VECSZ = _Twvec::nlanes; |
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for( ; j < size.width; j += VECSZ ) |
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{ |
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if( j > size.width - VECSZ ) |
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{ |
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if( j == 0 || src == (_Ts*)dst ) |
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break; |
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j = size.width - VECSZ; |
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} |
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_Twvec v; |
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vx_load_as(src + j, v); |
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v_store_as(dst + j, v); |
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} |
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vx_cleanup(); |
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#endif |
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for( ; j < size.width; j++ ) |
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dst[j] = saturate_cast<_Td>(src[j]); |
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} |
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} |
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static void cvtCopy( const uchar* src, size_t sstep, |
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uchar* dst, size_t dstep, Size size, size_t elemsize) |
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{ |
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size_t len = size.width*elemsize; |
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for( int i = 0; i < size.height; i++, src += sstep, dst += dstep ) |
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{ |
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memcpy( dst, src, len ); |
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} |
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} |
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#define DEF_CVT_FUNC(suffix, cvtfunc, _Ts, _Td, _Twvec) \ |
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static void cvt##suffix(const _Ts* src, size_t sstep, uchar*, size_t, \
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_Td* dst, size_t dstep, Size size, void*) \
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{ cvtfunc<_Ts, _Td, _Twvec>(src, sstep, dst, dstep, size); } |
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////////////////////// 8u -> ... ////////////////////////
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DEF_CVT_FUNC(8u8s, cvt_, uchar, schar, v_int16) |
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DEF_CVT_FUNC(8u16u, cvt_, uchar, ushort, v_uint16) |
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DEF_CVT_FUNC(8u16s, cvt_, uchar, short, v_int16) |
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DEF_CVT_FUNC(8u32s, cvt_, uchar, int, v_int32) |
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DEF_CVT_FUNC(8u32f, cvt_, uchar, float, v_float32) |
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DEF_CVT_FUNC(8u64f, cvt_, uchar, double, v_int32) |
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//DEF_CVT_FUNC(8u16f, cvt1_, uchar, float16_t, v_float32)
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////////////////////// 8s -> ... ////////////////////////
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DEF_CVT_FUNC(8s8u, cvt_, schar, uchar, v_int16) |
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DEF_CVT_FUNC(8s16u, cvt_, schar, ushort, v_uint16) |
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DEF_CVT_FUNC(8s16s, cvt_, schar, short, v_int16) |
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DEF_CVT_FUNC(8s32s, cvt_, schar, int, v_int32) |
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DEF_CVT_FUNC(8s32f, cvt_, schar, float, v_float32) |
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DEF_CVT_FUNC(8s64f, cvt_, schar, double, v_int32) |
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//DEF_CVT_FUNC(8s16f, cvt1_, schar, float16_t, v_float32)
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////////////////////// 16u -> ... ////////////////////////
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DEF_CVT_FUNC(16u8u, cvt_, ushort, uchar, v_uint16) |
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DEF_CVT_FUNC(16u8s, cvt_, ushort, schar, v_uint16) |
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DEF_CVT_FUNC(16u16s, cvt_, ushort, short, v_int32) |
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DEF_CVT_FUNC(16u32s, cvt_, ushort, int, v_int32) |
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DEF_CVT_FUNC(16u32f, cvt_, ushort, float, v_float32) |
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DEF_CVT_FUNC(16u64f, cvt_, ushort, double, v_int32) |
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//DEF_CVT_FUNC(16u16f, cvt1_,ushort, float16_t, v_float32)
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////////////////////// 16s -> ... ////////////////////////
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DEF_CVT_FUNC(16s8u, cvt_, short, uchar, v_int16) |
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DEF_CVT_FUNC(16s8s, cvt_, short, schar, v_int16) |
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DEF_CVT_FUNC(16s16u, cvt_, short, ushort, v_int32) |
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DEF_CVT_FUNC(16s32s, cvt_, short, int, v_int32) |
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DEF_CVT_FUNC(16s32f, cvt_, short, float, v_float32) |
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DEF_CVT_FUNC(16s64f, cvt_, short, double, v_int32) |
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//DEF_CVT_FUNC(16s16f, cvt1_,short, float16_t, v_float32)
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////////////////////// 32s -> ... ////////////////////////
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DEF_CVT_FUNC(32s8u, cvt_, int, uchar, v_int32) |
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DEF_CVT_FUNC(32s8s, cvt_, int, schar, v_int32) |
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DEF_CVT_FUNC(32s16u, cvt_, int, ushort, v_int32) |
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DEF_CVT_FUNC(32s16s, cvt_, int, short, v_int32) |
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DEF_CVT_FUNC(32s32f, cvt_, int, float, v_float32) |
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DEF_CVT_FUNC(32s64f, cvt_, int, double, v_int32) |
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//DEF_CVT_FUNC(32s16f, cvt1_,int, float16_t, v_float32)
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////////////////////// 32f -> ... ////////////////////////
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DEF_CVT_FUNC(32f8u, cvt_, float, uchar, v_float32) |
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DEF_CVT_FUNC(32f8s, cvt_, float, schar, v_float32) |
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DEF_CVT_FUNC(32f16u, cvt_, float, ushort, v_float32) |
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DEF_CVT_FUNC(32f16s, cvt_, float, short, v_float32) |
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DEF_CVT_FUNC(32f32s, cvt_, float, int, v_float32) |
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DEF_CVT_FUNC(32f64f, cvt_, float, double, v_float32) |
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DEF_CVT_FUNC(32f16f, cvt1_,float, float16_t, v_float32) |
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////////////////////// 64f -> ... ////////////////////////
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DEF_CVT_FUNC(64f8u, cvt_, double, uchar, v_int32) |
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DEF_CVT_FUNC(64f8s, cvt_, double, schar, v_int32) |
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DEF_CVT_FUNC(64f16u, cvt_, double, ushort, v_int32) |
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DEF_CVT_FUNC(64f16s, cvt_, double, short, v_int32) |
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DEF_CVT_FUNC(64f32s, cvt_, double, int, v_int32) |
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DEF_CVT_FUNC(64f32f, cvt_, double, float, v_float32) |
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//DEF_CVT_FUNC(64f16f, cvt1_,double, float16_t, v_float32)
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////////////////////// 16f -> ... ////////////////////////
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//DEF_CVT_FUNC(16f8u, cvt_, float16_t, uchar, v_float32)
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//DEF_CVT_FUNC(16f8s, cvt_, float16_t, schar, v_float32)
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//DEF_CVT_FUNC(16f16u, cvt1_, float16_t, ushort, v_float32)
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//DEF_CVT_FUNC(16f16s, cvt1_, float16_t, short, v_float32)
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//DEF_CVT_FUNC(16f32s, cvt1_, float16_t, int, v_float32)
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DEF_CVT_FUNC(16f32f, cvt1_, float16_t, float, v_float32) |
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//DEF_CVT_FUNC(16f64f, cvt1_, float16_t, double, v_float32)
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///////////// "conversion" w/o conversion ///////////////
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static void cvt8u(const uchar* src, size_t sstep, uchar*, size_t, uchar* dst, size_t dstep, Size size, void*) |
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{ cvtCopy(src, sstep, dst, dstep, size, 1); } |
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static void cvt16u(const ushort* src, size_t sstep, uchar*, size_t, ushort* dst, size_t dstep, Size size, void*) |
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{ cvtCopy((const uchar*)src, sstep, (uchar*)dst, dstep, size, 2); } |
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static void cvt32s(const int* src, size_t sstep, uchar*, size_t, int* dst, size_t dstep, Size size, void*) |
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{ cvtCopy((const uchar*)src, sstep, (uchar*)dst, dstep, size, 4); } |
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static void cvt64s(const int64* src, size_t sstep, uchar*, size_t, int64* dst, size_t dstep, Size size, void*) |
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{ cvtCopy((const uchar*)src, sstep, (uchar*)dst, dstep, size, 8); } |
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/* [TODO] Recover IPP calls
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#if defined(HAVE_IPP) |
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#define DEF_CVT_FUNC_F(suffix, stype, dtype, ippFavor) \ |
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static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
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dtype* dst, size_t dstep, Size size, double*) \
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{ \
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CV_IPP_RUN(src && dst, CV_INSTRUMENT_FUN_IPP(ippiConvert_##ippFavor, src, (int)sstep, dst, (int)dstep, ippiSize(size.width, size.height)) >= 0) \
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cvt_(src, sstep, dst, dstep, size); \
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} |
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#define DEF_CVT_FUNC_F2(suffix, stype, dtype, ippFavor) \ |
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static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
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dtype* dst, size_t dstep, Size size, double*) \
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{ \
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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) \
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cvt_(src, sstep, dst, dstep, size); \
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} |
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#else |
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#define DEF_CVT_FUNC_F(suffix, stype, dtype, ippFavor) \ |
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static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
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dtype* dst, size_t dstep, Size size, double*) \
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{ \
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cvt_(src, sstep, dst, dstep, size); \
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} |
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#define DEF_CVT_FUNC_F2 DEF_CVT_FUNC_F |
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#endif |
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#define DEF_CVT_FUNC(suffix, stype, dtype) \ |
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static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
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dtype* dst, size_t dstep, Size size, double*) \
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{ \
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cvt_(src, sstep, dst, dstep, size); \
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} |
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#define DEF_CPY_FUNC(suffix, stype) \ |
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static void cvt##suffix( const stype* src, size_t sstep, const uchar*, size_t, \
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stype* dst, size_t dstep, Size size, double*) \
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{ \
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cpy_(src, sstep, dst, dstep, size); \
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} |
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DEF_CPY_FUNC(8u, uchar) |
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DEF_CVT_FUNC_F(8s8u, schar, uchar, 8s8u_C1Rs) |
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DEF_CVT_FUNC_F(16u8u, ushort, uchar, 16u8u_C1R) |
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DEF_CVT_FUNC_F(16s8u, short, uchar, 16s8u_C1R) |
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DEF_CVT_FUNC_F(32s8u, int, uchar, 32s8u_C1R) |
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DEF_CVT_FUNC_F2(32f8u, float, uchar, 32f8u_C1RSfs) |
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DEF_CVT_FUNC(64f8u, double, uchar) |
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DEF_CVT_FUNC_F2(8u8s, uchar, schar, 8u8s_C1RSfs) |
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DEF_CVT_FUNC_F2(16u8s, ushort, schar, 16u8s_C1RSfs) |
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DEF_CVT_FUNC_F2(16s8s, short, schar, 16s8s_C1RSfs) |
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DEF_CVT_FUNC_F(32s8s, int, schar, 32s8s_C1R) |
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DEF_CVT_FUNC_F2(32f8s, float, schar, 32f8s_C1RSfs) |
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DEF_CVT_FUNC(64f8s, double, schar) |
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DEF_CVT_FUNC_F(8u16u, uchar, ushort, 8u16u_C1R) |
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DEF_CVT_FUNC_F(8s16u, schar, ushort, 8s16u_C1Rs) |
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DEF_CPY_FUNC(16u, ushort) |
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DEF_CVT_FUNC_F(16s16u, short, ushort, 16s16u_C1Rs) |
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DEF_CVT_FUNC_F2(32s16u, int, ushort, 32s16u_C1RSfs) |
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DEF_CVT_FUNC_F2(32f16u, float, ushort, 32f16u_C1RSfs) |
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DEF_CVT_FUNC(64f16u, double, ushort) |
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DEF_CVT_FUNC_F(8u16s, uchar, short, 8u16s_C1R) |
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DEF_CVT_FUNC_F(8s16s, schar, short, 8s16s_C1R) |
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DEF_CVT_FUNC_F2(16u16s, ushort, short, 16u16s_C1RSfs) |
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DEF_CVT_FUNC_F2(32s16s, int, short, 32s16s_C1RSfs) |
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DEF_CVT_FUNC(32f16s, float, short) |
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DEF_CVT_FUNC(64f16s, double, short) |
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DEF_CVT_FUNC_F(8u32s, uchar, int, 8u32s_C1R) |
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DEF_CVT_FUNC_F(8s32s, schar, int, 8s32s_C1R) |
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DEF_CVT_FUNC_F(16u32s, ushort, int, 16u32s_C1R) |
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DEF_CVT_FUNC_F(16s32s, short, int, 16s32s_C1R) |
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DEF_CPY_FUNC(32s, int) |
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DEF_CVT_FUNC_F2(32f32s, float, int, 32f32s_C1RSfs) |
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DEF_CVT_FUNC(64f32s, double, int) |
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DEF_CVT_FUNC_F(8u32f, uchar, float, 8u32f_C1R) |
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DEF_CVT_FUNC_F(8s32f, schar, float, 8s32f_C1R) |
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DEF_CVT_FUNC_F(16u32f, ushort, float, 16u32f_C1R) |
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DEF_CVT_FUNC_F(16s32f, short, float, 16s32f_C1R) |
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DEF_CVT_FUNC_F(32s32f, int, float, 32s32f_C1R) |
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DEF_CVT_FUNC(64f32f, double, float) |
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DEF_CVT_FUNC(8u64f, uchar, double) |
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DEF_CVT_FUNC(8s64f, schar, double) |
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DEF_CVT_FUNC(16u64f, ushort, double) |
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DEF_CVT_FUNC(16s64f, short, double) |
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DEF_CVT_FUNC(32s64f, int, double) |
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DEF_CVT_FUNC(32f64f, float, double) |
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DEF_CPY_FUNC(64s, int64) |
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*/ |
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BinaryFunc getConvertFunc(int sdepth, int ddepth) |
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{ |
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static BinaryFunc cvtTab[][8] = |
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{ |
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{ |
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(BinaryFunc)(cvt8u), (BinaryFunc)GET_OPTIMIZED(cvt8s8u), (BinaryFunc)GET_OPTIMIZED(cvt16u8u), |
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(BinaryFunc)GET_OPTIMIZED(cvt16s8u), (BinaryFunc)GET_OPTIMIZED(cvt32s8u), (BinaryFunc)GET_OPTIMIZED(cvt32f8u), |
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(BinaryFunc)GET_OPTIMIZED(cvt64f8u), 0 //(BinaryFunc)(cvt16f8u)
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}, |
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{ |
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(BinaryFunc)GET_OPTIMIZED(cvt8u8s), (BinaryFunc)cvt8u, (BinaryFunc)GET_OPTIMIZED(cvt16u8s), |
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(BinaryFunc)GET_OPTIMIZED(cvt16s8s), (BinaryFunc)GET_OPTIMIZED(cvt32s8s), (BinaryFunc)GET_OPTIMIZED(cvt32f8s), |
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(BinaryFunc)GET_OPTIMIZED(cvt64f8s), 0 //(BinaryFunc)(cvt16f8s)
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}, |
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{ |
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(BinaryFunc)GET_OPTIMIZED(cvt8u16u), (BinaryFunc)GET_OPTIMIZED(cvt8s16u), (BinaryFunc)cvt16u, |
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(BinaryFunc)GET_OPTIMIZED(cvt16s16u), (BinaryFunc)GET_OPTIMIZED(cvt32s16u), (BinaryFunc)GET_OPTIMIZED(cvt32f16u), |
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(BinaryFunc)GET_OPTIMIZED(cvt64f16u), 0 //(BinaryFunc)(cvt16f16u)
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}, |
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{ |
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(BinaryFunc)GET_OPTIMIZED(cvt8u16s), (BinaryFunc)GET_OPTIMIZED(cvt8s16s), (BinaryFunc)GET_OPTIMIZED(cvt16u16s), |
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(BinaryFunc)cvt16u, (BinaryFunc)GET_OPTIMIZED(cvt32s16s), (BinaryFunc)GET_OPTIMIZED(cvt32f16s), |
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(BinaryFunc)GET_OPTIMIZED(cvt64f16s), 0 //(BinaryFunc)(cvt16f16s)
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}, |
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{ |
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(BinaryFunc)GET_OPTIMIZED(cvt8u32s), (BinaryFunc)GET_OPTIMIZED(cvt8s32s), (BinaryFunc)GET_OPTIMIZED(cvt16u32s), |
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(BinaryFunc)GET_OPTIMIZED(cvt16s32s), (BinaryFunc)cvt32s, (BinaryFunc)GET_OPTIMIZED(cvt32f32s), |
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(BinaryFunc)GET_OPTIMIZED(cvt64f32s), 0 //(BinaryFunc)(cvt16f32s)
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}, |
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{ |
||||
(BinaryFunc)GET_OPTIMIZED(cvt8u32f), (BinaryFunc)GET_OPTIMIZED(cvt8s32f), (BinaryFunc)GET_OPTIMIZED(cvt16u32f), |
||||
(BinaryFunc)GET_OPTIMIZED(cvt16s32f), (BinaryFunc)GET_OPTIMIZED(cvt32s32f), (BinaryFunc)cvt32s, |
||||
(BinaryFunc)GET_OPTIMIZED(cvt64f32f), 0 //(BinaryFunc)(cvt16f32f)
|
||||
}, |
||||
{ |
||||
(BinaryFunc)GET_OPTIMIZED(cvt8u64f), (BinaryFunc)GET_OPTIMIZED(cvt8s64f), (BinaryFunc)GET_OPTIMIZED(cvt16u64f), |
||||
(BinaryFunc)GET_OPTIMIZED(cvt16s64f), (BinaryFunc)GET_OPTIMIZED(cvt32s64f), (BinaryFunc)GET_OPTIMIZED(cvt32f64f), |
||||
(BinaryFunc)(cvt64s), 0 //(BinaryFunc)(cvt16f64f)
|
||||
}, |
||||
{ |
||||
0, 0, 0, 0, 0, 0, 0, 0 |
||||
//(BinaryFunc)(cvt8u16f), (BinaryFunc)(cvt8s16f), (BinaryFunc)(cvt16u16f), (BinaryFunc)(cvt16s16f),
|
||||
//(BinaryFunc)(cvt32s16f), (BinaryFunc)(cvt32f16f), (BinaryFunc)(cvt64f16f), (BinaryFunc)(cvt16u)
|
||||
} |
||||
}; |
||||
return cvtTab[CV_MAT_DEPTH(ddepth)][CV_MAT_DEPTH(sdepth)]; |
||||
} |
||||
|
||||
#ifdef HAVE_OPENCL |
||||
static bool ocl_convertFp16( InputArray _src, OutputArray _dst, int sdepth, int ddepth ) |
||||
{ |
||||
int type = _src.type(), cn = CV_MAT_CN(type); |
||||
|
||||
_dst.createSameSize( _src, CV_MAKETYPE(ddepth, cn) ); |
||||
int kercn = 1; |
||||
int rowsPerWI = 1; |
||||
String build_opt = format("-D HALF_SUPPORT -D srcT=%s -D dstT=%s -D rowsPerWI=%d%s", |
||||
sdepth == CV_32F ? "float" : "half", |
||||
sdepth == CV_32F ? "half" : "float", |
||||
rowsPerWI, |
||||
sdepth == CV_32F ? " -D FLOAT_TO_HALF " : ""); |
||||
ocl::Kernel k("convertFp16", ocl::core::halfconvert_oclsrc, build_opt); |
||||
if (k.empty()) |
||||
return false; |
||||
|
||||
UMat src = _src.getUMat(); |
||||
UMat dst = _dst.getUMat(); |
||||
|
||||
ocl::KernelArg srcarg = ocl::KernelArg::ReadOnlyNoSize(src), |
||||
dstarg = ocl::KernelArg::WriteOnly(dst, cn, kercn); |
||||
|
||||
k.args(srcarg, dstarg); |
||||
|
||||
size_t globalsize[2] = { (size_t)src.cols * cn / kercn, ((size_t)src.rows + rowsPerWI - 1) / rowsPerWI }; |
||||
return k.run(2, globalsize, NULL, false); |
||||
} |
||||
#endif |
||||
|
||||
} // cv::
|
||||
|
||||
void cv::Mat::convertTo(OutputArray _dst, int _type, double alpha, double beta) const |
||||
{ |
||||
CV_INSTRUMENT_REGION(); |
||||
|
||||
if( empty() ) |
||||
{ |
||||
_dst.release(); |
||||
return; |
||||
} |
||||
|
||||
bool noScale = fabs(alpha-1) < DBL_EPSILON && fabs(beta) < DBL_EPSILON; |
||||
|
||||
if( _type < 0 ) |
||||
_type = _dst.fixedType() ? _dst.type() : type(); |
||||
else |
||||
_type = CV_MAKETYPE(CV_MAT_DEPTH(_type), channels()); |
||||
|
||||
int sdepth = depth(), ddepth = CV_MAT_DEPTH(_type); |
||||
if( sdepth == ddepth && noScale ) |
||||
{ |
||||
copyTo(_dst); |
||||
return; |
||||
} |
||||
|
||||
Mat src = *this; |
||||
if( dims <= 2 ) |
||||
_dst.create( size(), _type ); |
||||
else |
||||
_dst.create( dims, size, _type ); |
||||
Mat dst = _dst.getMat(); |
||||
|
||||
BinaryFunc func = noScale ? getConvertFunc(sdepth, ddepth) : getConvertScaleFunc(sdepth, ddepth); |
||||
double scale[] = {alpha, beta}; |
||||
int cn = channels(); |
||||
CV_Assert( func != 0 ); |
||||
|
||||
if( dims <= 2 ) |
||||
{ |
||||
Size sz = getContinuousSize2D(src, dst, cn); |
||||
func( src.data, src.step, 0, 0, dst.data, dst.step, sz, scale ); |
||||
} |
||||
else |
||||
{ |
||||
const Mat* arrays[] = {&src, &dst, 0}; |
||||
uchar* ptrs[2] = {}; |
||||
NAryMatIterator it(arrays, ptrs); |
||||
Size sz((int)(it.size*cn), 1); |
||||
|
||||
for( size_t i = 0; i < it.nplanes; i++, ++it ) |
||||
func(ptrs[0], 1, 0, 0, ptrs[1], 1, sz, scale); |
||||
} |
||||
} |
||||
|
||||
//==================================================================================================
|
||||
|
||||
void cv::convertFp16( InputArray _src, OutputArray _dst ) |
||||
{ |
||||
CV_INSTRUMENT_REGION(); |
||||
|
||||
int sdepth = _src.depth(), ddepth = 0; |
||||
BinaryFunc func = 0; |
||||
|
||||
switch( sdepth ) |
||||
{ |
||||
case CV_32F: |
||||
if(_dst.fixedType()) |
||||
{ |
||||
ddepth = _dst.depth(); |
||||
CV_Assert(ddepth == CV_16S /*|| ddepth == CV_16F*/); |
||||
CV_Assert(_dst.channels() == _src.channels()); |
||||
} |
||||
else |
||||
ddepth = CV_16S; |
||||
func = (BinaryFunc)cvt32f16f; |
||||
break; |
||||
case CV_16S: |
||||
//case CV_16F:
|
||||
ddepth = CV_32F; |
||||
func = (BinaryFunc)cvt16f32f; |
||||
break; |
||||
default: |
||||
CV_Error(Error::StsUnsupportedFormat, "Unsupported input depth"); |
||||
return; |
||||
} |
||||
|
||||
CV_OCL_RUN(_src.dims() <= 2 && _dst.isUMat(), |
||||
ocl_convertFp16(_src, _dst, sdepth, ddepth)) |
||||
|
||||
Mat src = _src.getMat(); |
||||
|
||||
int type = CV_MAKETYPE(ddepth, src.channels()); |
||||
_dst.create( src.dims, src.size, type ); |
||||
Mat dst = _dst.getMat(); |
||||
int cn = src.channels(); |
||||
|
||||
CV_Assert( func != 0 ); |
||||
|
||||
if( src.dims <= 2 ) |
||||
{ |
||||
Size sz = getContinuousSize2D(src, dst, cn); |
||||
func( src.data, src.step, 0, 0, dst.data, dst.step, sz, 0); |
||||
} |
||||
else |
||||
{ |
||||
const Mat* arrays[] = {&src, &dst, 0}; |
||||
uchar* ptrs[2] = {}; |
||||
NAryMatIterator it(arrays, ptrs); |
||||
Size sz((int)(it.size*cn), 1); |
||||
|
||||
for( size_t i = 0; i < it.nplanes; i++, ++it ) |
||||
func(ptrs[0], 0, 0, 0, ptrs[1], 0, sz, 0); |
||||
} |
||||
} |
||||
Loading…
Reference in new issue