1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
* Copyright 2011-2017 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CCL_NAMESPACE_BEGIN
#define ccl_get_feature_sse(pass) _mm_loadu_ps(buffer + (pass)*pass_stride)
/* Loop over the pixels in the range [low.x, high.x) x [low.y, high.y), 4 at a time.
* pixel_buffer always points to the first of the 4 current pixel in the first pass.
* x4 and y4 contain the coordinates of the four pixels, active_pixels contains a mask that's set for all pixels within the window. */
#define FOR_PIXEL_WINDOW_SSE pixel_buffer = buffer + (low.y - rect.y)*buffer_w + (low.x - rect.x); \
for(pixel.y = low.y; pixel.y < high.y; pixel.y++) { \
__m128 y4 = _mm_set1_ps(pixel.y); \
for(pixel.x = low.x; pixel.x < high.x; pixel.x += 4, pixel_buffer += 4) { \
__m128 x4 = _mm_add_ps(_mm_set1_ps(pixel.x), _mm_set_ps(3.0f, 2.0f, 1.0f, 0.0f)); \
__m128 active_pixels = _mm_cmplt_ps(x4, _mm_set1_ps(high.x));
#define END_FOR_PIXEL_WINDOW_SSE } \
pixel_buffer += buffer_w - (pixel.x - low.x); \
}
ccl_device_inline void filter_get_features_sse(__m128 x, __m128 y,
__m128 active_pixels,
const float *ccl_restrict buffer,
__m128 *features,
const __m128 *ccl_restrict mean,
int pass_stride)
{
features[0] = x;
features[1] = y;
features[2] = _mm_fabs_ps(ccl_get_feature_sse(0));
features[3] = ccl_get_feature_sse(1);
features[4] = ccl_get_feature_sse(2);
features[5] = ccl_get_feature_sse(3);
features[6] = ccl_get_feature_sse(4);
features[7] = ccl_get_feature_sse(5);
features[8] = ccl_get_feature_sse(6);
features[9] = ccl_get_feature_sse(7);
if(mean) {
for(int i = 0; i < DENOISE_FEATURES; i++)
features[i] = _mm_sub_ps(features[i], mean[i]);
}
for(int i = 0; i < DENOISE_FEATURES; i++)
features[i] = _mm_mask_ps(features[i], active_pixels);
}
ccl_device_inline void filter_get_feature_scales_sse(__m128 x, __m128 y,
__m128 active_pixels,
const float *ccl_restrict buffer,
__m128 *scales,
const __m128 *ccl_restrict mean,
int pass_stride)
{
scales[0] = _mm_mask_ps(_mm_fabs_ps(_mm_sub_ps(x, mean[0])), active_pixels);
scales[1] = _mm_mask_ps(_mm_fabs_ps(_mm_sub_ps(y, mean[1])), active_pixels);
scales[2] = _mm_mask_ps(_mm_fabs_ps(_mm_sub_ps(_mm_fabs_ps(ccl_get_feature_sse(0)), mean[2])), active_pixels);
__m128 diff, scale;
diff = _mm_sub_ps(ccl_get_feature_sse(1), mean[3]);
scale = _mm_mul_ps(diff, diff);
diff = _mm_sub_ps(ccl_get_feature_sse(2), mean[4]);
scale = _mm_add_ps(scale, _mm_mul_ps(diff, diff));
diff = _mm_sub_ps(ccl_get_feature_sse(3), mean[5]);
scale = _mm_add_ps(scale, _mm_mul_ps(diff, diff));
scales[3] = _mm_mask_ps(scale, active_pixels);
scales[4] = _mm_mask_ps(_mm_fabs_ps(_mm_sub_ps(ccl_get_feature_sse(4), mean[6])), active_pixels);
diff = _mm_sub_ps(ccl_get_feature_sse(5), mean[7]);
scale = _mm_mul_ps(diff, diff);
diff = _mm_sub_ps(ccl_get_feature_sse(6), mean[8]);
scale = _mm_add_ps(scale, _mm_mul_ps(diff, diff));
diff = _mm_sub_ps(ccl_get_feature_sse(7), mean[9]);
scale = _mm_add_ps(scale, _mm_mul_ps(diff, diff));
scales[5] = _mm_mask_ps(scale, active_pixels);
}
ccl_device_inline void filter_calculate_scale_sse(__m128 *scale)
{
scale[0] = _mm_rcp_ps(_mm_max_ps(_mm_hmax_ps(scale[0]), _mm_set1_ps(0.01f)));
scale[1] = _mm_rcp_ps(_mm_max_ps(_mm_hmax_ps(scale[1]), _mm_set1_ps(0.01f)));
scale[2] = _mm_rcp_ps(_mm_max_ps(_mm_hmax_ps(scale[2]), _mm_set1_ps(0.01f)));
scale[6] = _mm_rcp_ps(_mm_max_ps(_mm_hmax_ps(scale[4]), _mm_set1_ps(0.01f)));
scale[7] = scale[8] = scale[9] = _mm_rcp_ps(_mm_max_ps(_mm_hmax_ps(_mm_sqrt_ps(scale[5])), _mm_set1_ps(0.01f)));
scale[3] = scale[4] = scale[5] = _mm_rcp_ps(_mm_max_ps(_mm_hmax_ps(_mm_sqrt_ps(scale[3])), _mm_set1_ps(0.01f)));
}
CCL_NAMESPACE_END
|
