mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2024-11-29 05:29:54 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

column sum 32s

Browse Source
This commit is contained in:
Ilya Lavrenov 2015-01-12 10:59:29 +03:00
parent 1ca35b7424
commit bfb45b27e6
1 changed files with 152 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

152
modules/imgproc/src/smooth.cpp
View File

@ -713,6 +713,158 @@ struct ColumnSum<int, ushort> :
std::vector<int> sum; std::vector<int> sum;
}; };
template<>
struct ColumnSum<int, int> :
public BaseColumnFilter
{
ColumnSum( int _ksize, int _anchor, double _scale ) :
BaseColumnFilter()
{
ksize = _ksize;
anchor = _anchor;
scale = _scale;
sumCount = 0;
}
virtual void reset() { sumCount = 0; }
virtual void operator()(const uchar** src, uchar* dst, int dststep, int count, int width)
{
int i;
int* SUM;
bool haveScale = scale != 1;
double _scale = scale;
printf("bgfbffbbfg\n");
#if CV_SSE2
bool haveSSE2 = checkHardwareSupport(CV_CPU_SSE2);
#endif
if( width != (int)sum.size() )
{
sum.resize(width);
sumCount = 0;
}
SUM = &sum[0];
if( sumCount == 0 )
{
memset((void*)SUM, 0, width*sizeof(int));
for( ; sumCount < ksize - 1; sumCount++, src++ )
{
const int* Sp = (const int*)src[0];
i = 0;
#if CV_SSE2
if(haveSSE2)
{
for( ; i <= width-4; i+=4 )
{
__m128i _sum = _mm_loadu_si128((const __m128i*)(SUM+i));
__m128i _sp = _mm_loadu_si128((const __m128i*)(Sp+i));
_mm_storeu_si128((__m128i*)(SUM+i),_mm_add_epi32(_sum, _sp));
}
}
#elif CV_NEON
for( ; i <= width - 4; i+=4 )
vst1q_s32(SUM + i, vaddq_s32(vld1q_s32(SUM + i), vld1q_s32(Sp + i)));
#endif
for( ; i < width; i++ )
SUM[i] += Sp[i];
}
}
else
{
CV_Assert( sumCount == ksize-1 );
src += ksize-1;
}
for( ; count--; src++ )
{
const int* Sp = (const int*)src[0];
const int* Sm = (const int*)src[1-ksize];
int* D = (int*)dst;
if( haveScale )
{
i = 0;
#if CV_SSE2
if(haveSSE2)
{
const __m128 scale4 = _mm_set1_ps((float)_scale);
for( ; i <= width-4; i+=4 )
{
__m128i _sm = _mm_loadu_si128((const __m128i*)(Sm+i));
__m128i _s0 = _mm_add_epi32(_mm_loadu_si128((const __m128i*)(SUM+i)),
_mm_loadu_si128((const __m128i*)(Sp+i)));
__m128i _s0T = _mm_cvtps_epi32(_mm_mul_ps(scale4, _mm_cvtepi32_ps(_s0)));
_mm_storeu_si128((__m128i*)(D+i), _s0T);
_mm_storeu_si128((__m128i*)(SUM+i),_mm_sub_epi32(_s0,_sm));
}
}
#elif CV_NEON
float32x4_t v_scale = vdupq_n_f32((float)_scale);
for( ; i <= width-4; i+=4 )
{
int32x4_t v_s0 = vaddq_s32(vld1q_s32(SUM + i), vld1q_s32(Sp + i));
int32x4_t v_s0d = cv_vrndq_s32_f32(vmulq_f32(vcvtq_f32_s32(v_s0), v_scale));
vst1q_s32(D + i, v_s0d);
vst1q_s32(SUM + i, vsubq_s32(v_s0, vld1q_s32(Sm + i)));
}
#endif
for( ; i < width; i++ )
{
int s0 = SUM[i] + Sp[i];
D[i] = saturate_cast<int>(s0*_scale);
SUM[i] = s0 - Sm[i];
}
}
else
{
i = 0;
#if CV_SSE2
if(haveSSE2)
{
for( ; i <= width-4; i+=4 )
{
__m128i _sm = _mm_loadu_si128((const __m128i*)(Sm+i));
__m128i _s0 = _mm_add_epi32(_mm_loadu_si128((const __m128i*)(SUM+i)),
_mm_loadu_si128((const __m128i*)(Sp+i)));
_mm_storeu_si128((__m128i*)(D+i), _s0);
_mm_storeu_si128((__m128i*)(SUM+i), _mm_sub_epi32(_s0,_sm));
}
}
#elif CV_NEON
for( ; i <= width-4; i+=4 )
{
int32x4_t v_s0 = vaddq_s32(vld1q_s32(SUM + i), vld1q_s32(Sp + i));
vst1q_s32(D + i, v_s01);
vst1q_s32(SUM + i, vsubq_s32(v_s0, vld1q_s32(Sm + i)));
}
#endif
for( ; i < width; i++ )
{
int s0 = SUM[i] + Sp[i];
D[i] = s0;
SUM[i] = s0 - Sm[i];
}
}
dst += dststep;
}
}
double scale;
int sumCount;
std::vector<int> sum;
};
template<> template<>
struct ColumnSum<int, float> : struct ColumnSum<int, float> :
public BaseColumnFilter public BaseColumnFilter