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Merge pull request #9707 from woodychow:fix_undistortrectifymap_avx2

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Alexander Alekhin 2017-09-26 16:42:47 +00:00
commit 7475d23fec
1 changed files with 4 additions and 10 deletions
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14
modules/imgproc/src/undistort.avx2.cpp
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@ -161,16 +161,8 @@ int initUndistortRectifyMapLine_AVX(float* m1f, float* m2f, short* m1, ushort* m
__u = _mm256_mul_pd(__u, _mm256_set1_pd(INTER_TAB_SIZE));
__v = _mm256_mul_pd(__v, _mm256_set1_pd(INTER_TAB_SIZE));
__m128 __u_float = _mm256_cvtpd_ps(__u);
__m128 __v_float = _mm256_cvtpd_ps(__v);
_mm256_zeroupper();
static const __m128 __int_max = _mm_set1_ps((float)(std::numeric_limits<int>::max()));
static const __m128 __int_min = _mm_set1_ps((float)(std::numeric_limits<int>::min()));
__u_float = _mm_max_ps(_mm_min_ps(__u_float, __int_max), __int_min);
__v_float = _mm_max_ps(_mm_min_ps(__v_float, __int_max), __int_min);
__m128i __iu = _mm_cvtps_epi32(__u_float);
__m128i __iv = _mm_cvtps_epi32(__v_float);
__m128i __iu = _mm256_cvtpd_epi32(__u);
__m128i __iv = _mm256_cvtpd_epi32(__v);
static const __m128i __INTER_TAB_SIZE_m1 = _mm_set1_epi32(INTER_TAB_SIZE - 1);
__m128i __m2 = _mm_add_epi32(
@ -192,6 +184,8 @@ int initUndistortRectifyMapLine_AVX(float* m1f, float* m2f, short* m1, ushort* m
}
}
_mm256_zeroupper();
return j;
}