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add simd code when scn equals 4 at RGB2HLS_b().

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k-shinotsuka 2016-10-05 22:01:33 +09:00
parent e0435d3b8a
commit db8b3252bf
1 changed files with 20 additions and 0 deletions
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20
modules/imgproc/src/color.cpp
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@ -4835,6 +4835,26 @@ struct RGB2HLS_b
if (jr) if (jr)
src -= jr, j -= jr; src -= jr, j -= jr;
} }
else if (scn == 4 && haveSIMD)
{
for ( ; j <= (dn * 3 - 12); j += 12, src += 16)
{
__m128i v_src = _mm_loadu_si128((__m128i const *)src);
__m128i v_src_lo = _mm_unpacklo_epi8(v_src, v_zero);
__m128i v_src_hi = _mm_unpackhi_epi8(v_src, v_zero);
_mm_storeu_ps(buf + j, _mm_mul_ps(_mm_cvtepi32_ps(_mm_unpacklo_epi16(v_src_lo, v_zero)), v_scale_inv));
_mm_storeu_ps(buf + j + 3, _mm_mul_ps(_mm_cvtepi32_ps(_mm_unpackhi_epi16(v_src_lo, v_zero)), v_scale_inv));
_mm_storeu_ps(buf + j + 6, _mm_mul_ps(_mm_cvtepi32_ps(_mm_unpacklo_epi16(v_src_hi, v_zero)), v_scale_inv));
float tmp = buf[j + 8];
_mm_storeu_ps(buf + j + 8, _mm_mul_ps(_mm_cvtepi32_ps(_mm_shuffle_epi32(_mm_unpackhi_epi16(v_src_hi, v_zero), 0x90)), v_scale_inv));
buf[j + 8] = tmp;
}
int jr = j % 3;
if (jr)
src -= jr, j -= jr;
}
#endif #endif
for( ; j < dn*3; j += 3, src += scn ) for( ; j < dn*3; j += 3, src += scn )
{ {