generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

warpAffine INTER_NEAREST

Browse Source
This commit is contained in:
Ilya Lavrenov 2015-01-12 10:59:31 +03:00
parent d92f67ee2c
commit 0fd8f50522
1 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
modules/imgproc/src/imgwarp.cpp
View File

@ -5096,6 +5096,28 @@ public:
vst2q_s16(xy + (x1 << 1), v_dst);
}
#elif CV_SSE2
__m128i v_X0 = _mm_set1_epi32(X0);
__m128i v_Y0 = _mm_set1_epi32(Y0);
for ( ; x1 <= bw - 16; x1 += 16)
{
__m128i v_x0 = _mm_packs_epi32(_mm_srai_epi32(_mm_add_epi32(v_X0, _mm_loadu_si128((__m128i const *)(adelta + x + x1))), AB_BITS),
_mm_srai_epi32(_mm_add_epi32(v_X0, _mm_loadu_si128((__m128i const *)(adelta + x + x1 + 4))), AB_BITS));
__m128i v_x1 = _mm_packs_epi32(_mm_srai_epi32(_mm_add_epi32(v_X0, _mm_loadu_si128((__m128i const *)(adelta + x + x1 + 8))), AB_BITS),
_mm_srai_epi32(_mm_add_epi32(v_X0, _mm_loadu_si128((__m128i const *)(adelta + x + x1 + 12))), AB_BITS));
__m128i v_y0 = _mm_packs_epi32(_mm_srai_epi32(_mm_add_epi32(v_Y0, _mm_loadu_si128((__m128i const *)(bdelta + x + x1))), AB_BITS),
_mm_srai_epi32(_mm_add_epi32(v_Y0, _mm_loadu_si128((__m128i const *)(bdelta + x + x1 + 4))), AB_BITS));
__m128i v_y1 = _mm_packs_epi32(_mm_srai_epi32(_mm_add_epi32(v_Y0, _mm_loadu_si128((__m128i const *)(bdelta + x + x1 + 8))), AB_BITS),
_mm_srai_epi32(_mm_add_epi32(v_Y0, _mm_loadu_si128((__m128i const *)(bdelta + x + x1 + 12))), AB_BITS));
_mm_interleave_epi16(v_x0, v_x1, v_y0, v_y1);
_mm_storeu_si128((__m128i *)(xy + x1 * 2), v_x0);
_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 8), v_x1);
_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 16), v_y0);
_mm_storeu_si128((__m128i *)(xy + x1 * 2 + 24), v_y1);
}
#endif
for( ; x1 < bw; x1++ )
{