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avx2 in arithm

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This commit is contained in:
Ilya Lavrenov
2015-01-12 10:59:30 +03:00
parent 70933ea999
commit 25e99c453f
4 changed files with 225 additions and 29 deletions
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5
modules/imgproc/src/color.cpp
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@@ -2879,6 +2879,8 @@ struct YCrCb2RGB_i<uchar>
v_delta = _mm_set1_epi16(ColorChannel<uchar>::half());
v_delta2 = _mm_set1_epi32(1 << (yuv_shift - 1));
v_zero = _mm_setzero_si128();
useSSE = coeffs[0] <= std::numeric_limits<short>::max();
}
// 16s x 8
@@ -2934,7 +2936,7 @@ struct YCrCb2RGB_i<uchar>
int C0 = coeffs[0], C1 = coeffs[1], C2 = coeffs[2], C3 = coeffs[3];
n *= 3;
if (dcn == 3)
if (dcn == 3 && useSSE)
{
for ( ; i <= n - 96; i += 96, dst += dcn * 32)
{
@@ -3014,6 +3016,7 @@ struct YCrCb2RGB_i<uchar>
}
int dstcn, blueIdx;
int coeffs[4];
bool useSSE;
__m128i v_c0, v_c1, v_c2, v_c3, v_delta2;
__m128i v_delta, v_alpha, v_zero;