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SIMD Filter. rearrange operations

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Alexander 2017-09-13 05:28:09 +03:00 committed by Alexander Karpinsky
parent 3b67d8c516
commit 49f4de699f
1 changed files with 7 additions and 8 deletions
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15
libImaging/FilterSIMD_3x3i_4u8.c
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@ -57,12 +57,11 @@ ImagingFilter3x3i_4u8(Imaging imOut, Imaging im, const INT16* kernel,
MM_KERNEL_SUM(ss0, 0, 0x00); MM_KERNEL_SUM(ss0, 0, 0x00);
MM_KERNEL_SUM(ss0, 1, 0x55); MM_KERNEL_SUM(ss0, 1, 0x55);
ss0 = _mm_srai_epi32(ss0, PRECISION_BITS);
MM_KERNEL_SUM(ss1, 0, 0xaa); MM_KERNEL_SUM(ss1, 0, 0xaa);
MM_KERNEL_SUM(ss1, 1, 0xff); MM_KERNEL_SUM(ss1, 1, 0xff);
ss1 = _mm_srai_epi32(ss1, PRECISION_BITS);
ss0 = _mm_packs_epi32(
_mm_srai_epi32(ss0, PRECISION_BITS),
_mm_srai_epi32(ss1, PRECISION_BITS));
MM_KERNEL_SUM(ss2, 1, 0x00); MM_KERNEL_SUM(ss2, 1, 0x00);
MM_KERNEL_SUM(ss3, 1, 0xaa); MM_KERNEL_SUM(ss3, 1, 0xaa);
@ -71,11 +70,11 @@ ImagingFilter3x3i_4u8(Imaging imOut, Imaging im, const INT16* kernel,
MM_KERNEL_SUM(ss2, 0, 0x55); MM_KERNEL_SUM(ss2, 0, 0x55);
MM_KERNEL_SUM(ss3, 0, 0xff); MM_KERNEL_SUM(ss3, 0, 0xff);
ss2 = _mm_srai_epi32(ss2, PRECISION_BITS);
ss3 = _mm_srai_epi32(ss3, PRECISION_BITS);
ss2 = _mm_packs_epi32( ss0 = _mm_packs_epi32(ss0, ss1);
_mm_srai_epi32(ss2, PRECISION_BITS), ss2 = _mm_packs_epi32(ss2, ss3);
_mm_srai_epi32(ss3, PRECISION_BITS));
ss0 = _mm_packus_epi16(ss0, ss2); ss0 = _mm_packus_epi16(ss0, ss2);
_mm_storeu_si128((__m128i*) &out[x], ss0); _mm_storeu_si128((__m128i*) &out[x], ss0);
} }