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cvtColor Gray 2 BGR5x5

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This commit is contained in:
Ilya Lavrenov 2015-01-12 10:59:29 +03:00
parent 9cacd3261d
commit fe371bf624
1 changed files with 40 additions and 0 deletions
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40
modules/imgproc/src/color.cpp
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@ -1048,6 +1048,10 @@ struct Gray2RGB5x5
#if CV_NEON
v_n7 = vdup_n_u8(~7);
v_n3 = vdup_n_u8(~3);
#elif CV_SSE2
v_n7 = _mm_set1_epi16(~7);
v_n3 = _mm_set1_epi16(~3);
v_zero = _mm_setzero_si128();
#endif
}
@ -1065,6 +1069,23 @@ struct Gray2RGB5x5
v_dst = vorrq_u16(v_dst, vshlq_n_u16(vmovl_u8(vand_u8(v_src, v_n7)), 8));
vst1q_u16((ushort *)dst + i, v_dst);
}
#elif CV_SSE2
for ( ; i <= n - 16; i += 16 )
{
__m128i v_src = _mm_loadu_si128((__m128i const *)(src + i));
__m128i v_src_p = _mm_unpacklo_epi8(v_src, v_zero);
__m128i v_dst = _mm_or_si128(_mm_srli_epi16(v_src_p, 3),
_mm_or_si128(_mm_slli_epi16(_mm_and_si128(v_src_p, v_n3), 3),
_mm_slli_epi16(_mm_and_si128(v_src_p, v_n7), 8)));
_mm_storeu_si128((__m128i *)((ushort *)dst + i), v_dst);
v_src_p = _mm_unpackhi_epi8(v_src, v_zero);
v_dst = _mm_or_si128(_mm_srli_epi16(v_src_p, 3),
_mm_or_si128(_mm_slli_epi16(_mm_and_si128(v_src_p, v_n3), 3),
_mm_slli_epi16(_mm_and_si128(v_src_p, v_n7), 8)));
_mm_storeu_si128((__m128i *)((ushort *)dst + i + 8), v_dst);
}
#endif
for ( ; i < n; i++ )
{
@ -1081,6 +1102,23 @@ struct Gray2RGB5x5
uint16x8_t v_dst = vorrq_u16(vorrq_u16(v_src, vshlq_n_u16(v_src, 5)), vshlq_n_u16(v_src, 10));
vst1q_u16((ushort *)dst + i, v_dst);
}
#elif CV_SSE2
for ( ; i <= n - 16; i += 8 )
{
__m128i v_src = _mm_loadu_si128((__m128i const *)(src + i));
__m128i v_src_p = _mm_srli_epi16(_mm_unpacklo_epi8(v_src, v_zero), 3);
__m128i v_dst = _mm_or_si128(v_src_p,
_mm_or_si128(_mm_slli_epi32(v_src_p, 5),
_mm_slli_epi16(v_src_p, 10)));
_mm_storeu_si128((__m128i *)((ushort *)dst + i), v_dst);
v_src_p = _mm_srli_epi16(_mm_unpackhi_epi8(v_src, v_zero), 3);
v_dst = _mm_or_si128(v_src_p,
_mm_or_si128(_mm_slli_epi16(v_src_p, 5),
_mm_slli_epi16(v_src_p, 10)));
_mm_storeu_si128((__m128i *)((ushort *)dst + i + 8), v_dst);
}
#endif
for( ; i < n; i++ )
{
@ -1093,6 +1131,8 @@ struct Gray2RGB5x5
#if CV_NEON
uint8x8_t v_n7, v_n3;
#elif CV_SSE2
__m128i v_n7, v_n3, v_zero;
#endif
};