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cvtColor BGR5x5 2 Gray

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This commit is contained in:
Ilya Lavrenov 2015-01-12 10:59:29 +03:00
parent edee922b59
commit 9cacd3261d
2 changed files with 78 additions and 1 deletions
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2
modules/imgproc/perf/perf_cvt_color.cpp
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@ -204,7 +204,7 @@ PERF_TEST_P(Size_CvtMode, cvtColor8u,
) )
{ {
Size sz = GetParam(); Size sz = GetParam();
int mode = COLOR_RGB2YCrCb; int mode = COLOR_YCrCb2RGB;
ChPair ch = getConversionInfo(mode); ChPair ch = getConversionInfo(mode);
mode %= COLOR_COLORCVT_MAX; mode %= COLOR_COLORCVT_MAX;

77
modules/imgproc/src/color.cpp
View File

@ -1125,6 +1125,13 @@ struct RGB5x52Gray
v_delta = vdupq_n_u32(1 << (yuv_shift - 1)); v_delta = vdupq_n_u32(1 << (yuv_shift - 1));
v_f8 = vdupq_n_u16(0xf8); v_f8 = vdupq_n_u16(0xf8);
v_fc = vdupq_n_u16(0xfc); v_fc = vdupq_n_u16(0xfc);
#elif CV_SSE2
v_b2y = _mm_set1_epi16(B2Y);
v_g2y = _mm_set1_epi16(G2Y);
v_r2y = _mm_set1_epi16(R2Y);
v_delta = _mm_set1_epi32(1 << (yuv_shift - 1));
v_f8 = _mm_set1_epi16(0xf8);
v_fc = _mm_set1_epi16(0xfc);
#endif #endif
} }
@ -1150,6 +1157,39 @@ struct RGB5x52Gray
vst1_u8(dst + i, vmovn_u16(vcombine_u16(vmovn_u32(v_dst0), vmovn_u32(v_dst1)))); vst1_u8(dst + i, vmovn_u16(vcombine_u16(vmovn_u32(v_dst0), vmovn_u32(v_dst1))));
} }
#elif CV_SSE2
__m128i v_zero = _mm_setzero_si128();
for ( ; i <= n - 8; i += 8)
{
__m128i v_src = _mm_loadu_si128((__m128i const *)((ushort *)src + i));
__m128i v_t0 = _mm_and_si128(_mm_slli_epi16(v_src, 3), v_f8),
v_t1 = _mm_and_si128(_mm_srli_epi16(v_src, 3), v_fc),
v_t2 = _mm_and_si128(_mm_srli_epi16(v_src, 8), v_f8);
__m128i v_mullo_b = _mm_mullo_epi16(v_t0, v_b2y);
__m128i v_mullo_g = _mm_mullo_epi16(v_t1, v_g2y);
__m128i v_mullo_r = _mm_mullo_epi16(v_t2, v_r2y);
__m128i v_mulhi_b = _mm_mulhi_epi16(v_t0, v_b2y);
__m128i v_mulhi_g = _mm_mulhi_epi16(v_t1, v_g2y);
__m128i v_mulhi_r = _mm_mulhi_epi16(v_t2, v_r2y);
__m128i v_dst0 = _mm_add_epi32(_mm_unpacklo_epi16(v_mullo_b, v_mulhi_b),
_mm_unpacklo_epi16(v_mullo_g, v_mulhi_g));
v_dst0 = _mm_add_epi32(_mm_add_epi32(v_dst0, v_delta),
_mm_unpacklo_epi16(v_mullo_r, v_mulhi_r));
__m128i v_dst1 = _mm_add_epi32(_mm_unpackhi_epi16(v_mullo_b, v_mulhi_b),
_mm_unpackhi_epi16(v_mullo_g, v_mulhi_g));
v_dst1 = _mm_add_epi32(_mm_add_epi32(v_dst1, v_delta),
_mm_unpackhi_epi16(v_mullo_r, v_mulhi_r));
v_dst0 = _mm_srli_epi32(v_dst0, yuv_shift);
v_dst1 = _mm_srli_epi32(v_dst1, yuv_shift);
__m128i v_dst = _mm_packs_epi32(v_dst0, v_dst1);
_mm_storel_epi64((__m128i *)(dst + i), _mm_packus_epi16(v_dst, v_zero));
}
#endif #endif
for ( ; i < n; i++) for ( ; i < n; i++)
{ {
@ -1178,6 +1218,39 @@ struct RGB5x52Gray
vst1_u8(dst + i, vmovn_u16(vcombine_u16(vmovn_u32(v_dst0), vmovn_u32(v_dst1)))); vst1_u8(dst + i, vmovn_u16(vcombine_u16(vmovn_u32(v_dst0), vmovn_u32(v_dst1))));
} }
#elif CV_SSE2
__m128i v_zero = _mm_setzero_si128();
for ( ; i <= n - 8; i += 8)
{
__m128i v_src = _mm_loadu_si128((__m128i const *)((ushort *)src + i));
__m128i v_t0 = _mm_and_si128(_mm_slli_epi16(v_src, 3), v_f8),
v_t1 = _mm_and_si128(_mm_srli_epi16(v_src, 2), v_f8),
v_t2 = _mm_and_si128(_mm_srli_epi16(v_src, 7), v_f8);
__m128i v_mullo_b = _mm_mullo_epi16(v_t0, v_b2y);
__m128i v_mullo_g = _mm_mullo_epi16(v_t1, v_g2y);
__m128i v_mullo_r = _mm_mullo_epi16(v_t2, v_r2y);
__m128i v_mulhi_b = _mm_mulhi_epi16(v_t0, v_b2y);
__m128i v_mulhi_g = _mm_mulhi_epi16(v_t1, v_g2y);
__m128i v_mulhi_r = _mm_mulhi_epi16(v_t2, v_r2y);
__m128i v_dst0 = _mm_add_epi32(_mm_unpacklo_epi16(v_mullo_b, v_mulhi_b),
_mm_unpacklo_epi16(v_mullo_g, v_mulhi_g));
v_dst0 = _mm_add_epi32(_mm_add_epi32(v_dst0, v_delta),
_mm_unpacklo_epi16(v_mullo_r, v_mulhi_r));
__m128i v_dst1 = _mm_add_epi32(_mm_unpackhi_epi16(v_mullo_b, v_mulhi_b),
_mm_unpackhi_epi16(v_mullo_g, v_mulhi_g));
v_dst1 = _mm_add_epi32(_mm_add_epi32(v_dst1, v_delta),
_mm_unpackhi_epi16(v_mullo_r, v_mulhi_r));
v_dst0 = _mm_srli_epi32(v_dst0, yuv_shift);
v_dst1 = _mm_srli_epi32(v_dst1, yuv_shift);
__m128i v_dst = _mm_packs_epi32(v_dst0, v_dst1);
_mm_storel_epi64((__m128i *)(dst + i), _mm_packus_epi16(v_dst, v_zero));
}
#endif #endif
for ( ; i < n; i++) for ( ; i < n; i++)
{ {
@ -1194,6 +1267,10 @@ struct RGB5x52Gray
uint16x4_t v_b2y, v_g2y, v_r2y; uint16x4_t v_b2y, v_g2y, v_r2y;
uint32x4_t v_delta; uint32x4_t v_delta;
uint16x8_t v_f8, v_fc; uint16x8_t v_f8, v_fc;
#elif CV_SSE2
__m128i v_b2y, v_g2y, v_r2y;
__m128i v_delta;
__m128i v_f8, v_fc;
#endif #endif
}; };