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体验新版 GitCode,发现更多精彩内容 >>
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4f22f48e
编写于
9月 18, 2016
作者:
K
k-shinotsuka
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
improve HSV2RGB_b()
上级
dc3d0cbc
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
22 addition
and
35 deletion
+22
-35
modules/imgproc/src/color.cpp
modules/imgproc/src/color.cpp
+22
-35
未找到文件。
modules/imgproc/src/color.cpp
浏览文件 @
4f22f48e
...
...
@@ -4494,7 +4494,6 @@ struct HSV2RGB_b
v_scale
=
vdupq_n_f32
(
255.
f
);
v_alpha
=
vdup_n_u8
(
ColorChannel
<
uchar
>::
max
());
#elif CV_SSE2
v_scale_inv
=
_mm_set1_ps
(
1.
f
/
255.
f
);
v_scale
=
_mm_set1_ps
(
255.0
f
);
v_zero
=
_mm_setzero_si128
();
haveSIMD
=
checkHardwareSupport
(
CV_CPU_SSE2
);
...
...
@@ -4502,8 +4501,8 @@ struct HSV2RGB_b
}
#if CV_SSE2
// 16s x 8
void
process
(
__m128i
v_r
,
__m128i
v_g
,
__m128i
v_b
,
__m128
v_coeffs
,
float
*
buf
)
const
{
__m128
v_r0
=
_mm_cvtepi32_ps
(
_mm_unpacklo_epi16
(
v_r
,
v_zero
));
...
...
@@ -4514,13 +4513,18 @@ struct HSV2RGB_b
__m128
v_g1
=
_mm_cvtepi32_ps
(
_mm_unpackhi_epi16
(
v_g
,
v_zero
));
__m128
v_b1
=
_mm_cvtepi32_ps
(
_mm_unpackhi_epi16
(
v_b
,
v_zero
));
v_
g0
=
_mm_mul_ps
(
v_g0
,
v_scale_inv
);
v_
b0
=
_mm_mul_ps
(
v_b0
,
v_scale_inv
);
v_
r0
=
_mm_mul_ps
(
v_r0
,
v_coeffs
);
v_
g1
=
_mm_mul_ps
(
v_g1
,
v_coeffs
);
v_g1
=
_mm_mul_ps
(
v_g1
,
v_scale_inv
);
v_b1
=
_mm_mul_ps
(
v_b1
,
v_scale_inv
);
v_coeffs
=
_mm_castsi128_ps
(
_mm_shuffle_epi32
(
_mm_castps_si128
(
v_coeffs
),
0x49
));
_mm_interleave_ps
(
v_r0
,
v_r1
,
v_g0
,
v_g1
,
v_b0
,
v_b1
);
v_r1
=
_mm_mul_ps
(
v_r1
,
v_coeffs
);
v_b0
=
_mm_mul_ps
(
v_b0
,
v_coeffs
);
v_coeffs
=
_mm_castsi128_ps
(
_mm_shuffle_epi32
(
_mm_castps_si128
(
v_coeffs
),
0x49
));
v_g0
=
_mm_mul_ps
(
v_g0
,
v_coeffs
);
v_b1
=
_mm_mul_ps
(
v_b1
,
v_coeffs
);
_mm_store_ps
(
buf
,
v_r0
);
_mm_store_ps
(
buf
+
4
,
v_r1
);
...
...
@@ -4536,6 +4540,9 @@ struct HSV2RGB_b
int
i
,
j
,
dcn
=
dstcn
;
uchar
alpha
=
ColorChannel
<
uchar
>::
max
();
float
CV_DECL_ALIGNED
(
16
)
buf
[
3
*
BLOCK_SIZE
];
#if CV_SSE2
__m128
v_coeffs
=
_mm_set_ps
(
1.
f
,
1.
f
/
255.
f
,
1.
f
/
255.
f
,
1.
f
);
#endif
for
(
i
=
0
;
i
<
n
;
i
+=
BLOCK_SIZE
,
src
+=
BLOCK_SIZE
*
3
)
{
...
...
@@ -4564,36 +4571,16 @@ struct HSV2RGB_b
#elif CV_SSE2
if
(
haveSIMD
)
{
for
(
;
j
<=
(
dn
-
32
)
*
3
;
j
+=
96
)
for
(
;
j
<=
(
dn
-
8
)
*
3
;
j
+=
24
)
{
__m128i
v_r0
=
_mm_loadu_si128
((
__m128i
const
*
)(
src
+
j
));
__m128i
v_r1
=
_mm_loadu_si128
((
__m128i
const
*
)(
src
+
j
+
16
));
__m128i
v_g0
=
_mm_loadu_si128
((
__m128i
const
*
)(
src
+
j
+
32
));
__m128i
v_g1
=
_mm_loadu_si128
((
__m128i
const
*
)(
src
+
j
+
48
));
__m128i
v_b0
=
_mm_loadu_si128
((
__m128i
const
*
)(
src
+
j
+
64
));
__m128i
v_b1
=
_mm_loadu_si128
((
__m128i
const
*
)(
src
+
j
+
80
));
_mm_deinterleave_epi8
(
v_r0
,
v_r1
,
v_g0
,
v_g1
,
v_b0
,
v_b1
);
__m128i
v_src0
=
_mm_loadu_si128
((
__m128i
const
*
)(
src
+
j
));
__m128i
v_src1
=
_mm_loadl_epi64
((
__m128i
const
*
)(
src
+
j
+
16
));
process
(
_mm_unpacklo_epi8
(
v_r0
,
v_zero
),
_mm_unpacklo_epi8
(
v_g0
,
v_zero
),
_mm_unpacklo_epi8
(
v_b0
,
v_zero
),
process
(
_mm_unpacklo_epi8
(
v_src0
,
v_zero
),
_mm_unpackhi_epi8
(
v_src0
,
v_zero
),
_mm_unpacklo_epi8
(
v_src1
,
v_zero
),
v_coeffs
,
buf
+
j
);
process
(
_mm_unpackhi_epi8
(
v_r0
,
v_zero
),
_mm_unpackhi_epi8
(
v_g0
,
v_zero
),
_mm_unpackhi_epi8
(
v_b0
,
v_zero
),
buf
+
j
+
24
);
process
(
_mm_unpacklo_epi8
(
v_r1
,
v_zero
),
_mm_unpacklo_epi8
(
v_g1
,
v_zero
),
_mm_unpacklo_epi8
(
v_b1
,
v_zero
),
buf
+
j
+
48
);
process
(
_mm_unpackhi_epi8
(
v_r1
,
v_zero
),
_mm_unpackhi_epi8
(
v_g1
,
v_zero
),
_mm_unpackhi_epi8
(
v_b1
,
v_zero
),
buf
+
j
+
72
);
}
}
#endif
...
...
@@ -4677,7 +4664,7 @@ struct HSV2RGB_b
float32x4_t
v_scale
,
v_scale_inv
;
uint8x8_t
v_alpha
;
#elif CV_SSE2
__m128
v_scale
_inv
,
v_scale
;
__m128
v_scale
;
__m128i
v_zero
;
bool
haveSIMD
;
#endif
...
...
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