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Merge pull request #16191 from terfendail:lres2c_fix

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pull/16199/head
Alexander Alekhin 5 years ago
parent 5d15c65e48 f5a84f75c4
commit a8345133ac
1 changed files with 5 additions and 3 deletions
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  1. 8
      modules/imgproc/src/resize.cpp

8
modules/imgproc/src/resize.cpp
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@ -1605,13 +1605,14 @@ struct HResizeLinearVecU8_X4
for( dx = 0; dx < len0; dx += step ) for( dx = 0; dx < len0; dx += step )
{ {
int ofs[4] = { xofs[dx], xofs[dx + 2], xofs[dx + 4], xofs[dx + 6] };
v_int16x8 al = v_load(alpha+dx*2); v_int16x8 al = v_load(alpha+dx*2);
v_int16x8 ah = v_load(alpha+dx*2+8); v_int16x8 ah = v_load(alpha+dx*2+8);
v_uint16x8 sl, sh; v_uint16x8 sl, sh;
v_expand(v_interleave_pairs(v_lut_quads(S0, xofs+dx)), sl, sh); v_expand(v_interleave_pairs(v_lut_quads(S0, ofs)), sl, sh);
v_store(&D0[dx], v_dotprod(v_reinterpret_as_s16(sl), al)); v_store(&D0[dx], v_dotprod(v_reinterpret_as_s16(sl), al));
v_store(&D0[dx+4], v_dotprod(v_reinterpret_as_s16(sh), ah)); v_store(&D0[dx+4], v_dotprod(v_reinterpret_as_s16(sh), ah));
v_expand(v_interleave_pairs(v_lut_pairs(S1, xofs+dx)), sl, sh); v_expand(v_interleave_pairs(v_lut_quads(S1, ofs)), sl, sh);
v_store(&D1[dx], v_dotprod(v_reinterpret_as_s16(sl), al)); v_store(&D1[dx], v_dotprod(v_reinterpret_as_s16(sl), al));
v_store(&D1[dx+4], v_dotprod(v_reinterpret_as_s16(sh), ah)); v_store(&D1[dx+4], v_dotprod(v_reinterpret_as_s16(sh), ah));
} }
@ -1622,10 +1623,11 @@ struct HResizeLinearVecU8_X4
int *D = dst[k]; int *D = dst[k];
for( dx = 0; dx < len0; dx += step ) for( dx = 0; dx < len0; dx += step )
{ {
int ofs[4] = { xofs[dx], xofs[dx + 2], xofs[dx + 4], xofs[dx + 6] };
v_int16x8 al = v_load(alpha+dx*2); v_int16x8 al = v_load(alpha+dx*2);
v_int16x8 ah = v_load(alpha+dx*2+8); v_int16x8 ah = v_load(alpha+dx*2+8);
v_uint16x8 sl, sh; v_uint16x8 sl, sh;
v_expand(v_interleave_pairs(v_lut_quads(S, xofs+dx)), sl, sh); v_expand(v_interleave_pairs(v_lut_quads(S, ofs)), sl, sh);
v_store(&D[dx], v_dotprod(v_reinterpret_as_s16(sl), al)); v_store(&D[dx], v_dotprod(v_reinterpret_as_s16(sl), al));
v_store(&D[dx+4], v_dotprod(v_reinterpret_as_s16(sh), ah)); v_store(&D[dx+4], v_dotprod(v_reinterpret_as_s16(sh), ah));
} }

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