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imgproc: fix BGRA2BGRA conversion

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This commit is contained in:
Vladislav Sovrasov
2017-05-05 14:41:46 +03:00
parent fe4555ec74
commit bfc4eb31cb
2 changed files with 31 additions and 6 deletions
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modules/imgproc/src/color.cpp
+6 -6
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@@ -688,7 +688,7 @@ template<typename _Tp> struct RGB2RGB
for( int i = 0; i < n; i += 4 )
{
_Tp t0 = src[i], t1 = src[i+1], t2 = src[i+2], t3 = src[i+3];
dst[i] = t2; dst[i+1] = t1; dst[i+2] = t0; dst[i+3] = t3;
dst[i+bidx] = t0; dst[i+1] = t1; dst[i+(bidx^2)] = t2; dst[i+3] = t3;
}
}
}
@@ -802,25 +802,25 @@ template<> struct RGB2RGB<uchar>
for ( ; i <= n - 64; i += 64 )
{
uint8x16x4_t v_src = vld4q_u8(src + i), v_dst;
v_dst.val[0] = v_src.val[2];
v_dst.val[0] = v_src.val[bidx];
v_dst.val[1] = v_src.val[1];
v_dst.val[2] = v_src.val[0];
v_dst.val[2] = v_src.val[bidx^2];
v_dst.val[3] = v_src.val[3];
vst4q_u8(dst + i, v_dst);
}
for ( ; i <= n - 32; i += 32 )
{
uint8x8x4_t v_src = vld4_u8(src + i), v_dst;
v_dst.val[0] = v_src.val[2];
v_dst.val[0] = v_src.val[bidx];
v_dst.val[1] = v_src.val[1];
v_dst.val[2] = v_src.val[0];
v_dst.val[2] = v_src.val[bidx^2];
v_dst.val[3] = v_src.val[3];
vst4_u8(dst + i, v_dst);
}
for ( ; i < n; i += 4)
{
uchar t0 = src[i], t1 = src[i+1], t2 = src[i+2], t3 = src[i+3];
dst[i] = t2; dst[i+1] = t1; dst[i+2] = t0; dst[i+3] = t3;
dst[i+bidx] = t0; dst[i+1] = t1; dst[i+(bidx^2)] = t2; dst[i+3] = t3;
}
}
}