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SIMD BoxBlur. add parentheses around var declarations

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Alexander 2017-09-23 17:58:55 +03:00 committed by Alexander Karpinsky
parent 9609a5849f
commit dede8035a3
1 changed files with 6 additions and 2 deletions
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8
src/libImaging/BoxBlur.c
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@ -24,19 +24,23 @@ ImagingLineBoxBlur32(UINT32 *lineOut, UINT32 *lineIn, int lastx, int radius, int
// acc[0] += lineIn[add][0] - lineIn[subtract][0];
#define MOVE_ACC(acc, subtract, add) \
{ \
__m128i tmp1 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128(lineIn[add])); \
__m128i tmp2 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128(lineIn[subtract])); \
acc = _mm_sub_epi32(_mm_add_epi32(acc, tmp1), tmp2);
acc = _mm_sub_epi32(_mm_add_epi32(acc, tmp1), tmp2); \
}
// #define ADD_FAR(bulk, acc, left, right)
// bulk[0] = (acc[0] * ww) + (lineIn[left][0] + lineIn[right][0]) * fw;
#define ADD_FAR(bulk, acc, left, right) \
{ \
__m128i tmp3 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128(lineIn[left])); \
__m128i tmp4 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128(lineIn[right])); \
__m128i tmp5 = _mm_mullo_epi32(_mm_add_epi32(tmp3, tmp4), fws); \
__m128i tmp6 = _mm_mullo_epi32(acc, wws); \
bulk = _mm_add_epi32(tmp5, tmp6);
bulk = _mm_add_epi32(tmp5, tmp6); \
}
// #define SAVE(x, bulk)
// lineOut[x][0] = (UINT8)((bulk[0] + (1 << 23)) >> 24);