ncnn

slice_pack4to8.comp
184 строки · 5.9 Кб
Перенос по словам
1
// Tencent is pleased to support the open source community by making ncnn available.
2
//
3
// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
4
//
5
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
6
// in compliance with the License. You may obtain a copy of the License at
7
//
8
// https://opensource.org/licenses/BSD-3-Clause
9
//
10
// Unless required by applicable law or agreed to in writing, software distributed
11
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
12
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
13
// specific language governing permissions and limitations under the License.
14

15
#version 450
16

17
#if NCNN_fp16_storage
18
#extension GL_EXT_shader_16bit_storage: require
19
struct sfpvec8 { f16vec4 abcd; f16vec4 efgh; };
20
#endif
21
#if NCNN_fp16_arithmetic
22
#extension GL_EXT_shader_explicit_arithmetic_types_float16: require
23
#endif
24

25
layout (constant_id = 0) const int axis = 0;
26

27
#define shape_constant_id_offset 1
28
layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
29
layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
30
layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
31
layout (constant_id = shape_constant_id_offset + 3) const int d = 0;
32
layout (constant_id = shape_constant_id_offset + 4) const int c = 0;
33
layout (constant_id = shape_constant_id_offset + 5) const int cstep = 0;
34

35
layout (constant_id = shape_constant_id_offset + 6) const int outdims = 0;
36
layout (constant_id = shape_constant_id_offset + 7) const int outw = 0;
37
layout (constant_id = shape_constant_id_offset + 8) const int outh = 0;
38
layout (constant_id = shape_constant_id_offset + 9) const int outd = 0;
39
layout (constant_id = shape_constant_id_offset + 10) const int outc = 0;
40
layout (constant_id = shape_constant_id_offset + 11) const int outcstep = 0;
41

42
#if NCNN_image_shader
43
layout (binding = 0) uniform unfp sampler3D bottom_blob_3d;
44
layout (binding = 1, imfmtc4) writeonly uniform unfp image3D top_blob_3d;
45
#else
46
layout (binding = 0) readonly buffer bottom_blob { sfpvec4 bottom_blob_data[]; };
47
layout (binding = 1) writeonly buffer top_blob { sfpvec8 top_blob_data[]; };
48
#endif
49

50
layout (push_constant) uniform parameter
51
{
52
    int dims;
53
    int w;
54
    int h;
55
    int d;
56
    int c;
57
    int cstep;
58

59
    int outdims;
60
    int outw;
61
    int outh;
62
    int outd;
63
    int outc;
64
    int outcstep;
65

66
    int offset;
67
} p;
68

69
void main()
70
{
71
    int gx = int(gl_GlobalInvocationID.x);
72
    int gy = int(gl_GlobalInvocationID.y);
73
    int gz = int(gl_GlobalInvocationID.z);
74

75
    if (gx >= psc(outw) || gy >= psc(outh) * psc(outd) || gz >= psc(outc))
76
        return;
77

78
    int positive_axis = axis < 0 ? psc(dims) + axis : axis;
79

80
    ivec3 gxyz;
81

82
    if (psc(dims) == 4)
83
    {
84
        int yd = gy / psc(outh);
85
        int yh = gy % psc(outh);
86

87
        ivec4 gxydz = ivec4(gx, yh, yd, gz);
88
        gxydz[psc(dims) - 1] *= 2;
89
        gxydz[psc(dims) - 1 - positive_axis] += p.offset;
90

91
        gxyz = ivec3(gxydz.r, gxydz.g + gxydz.b * psc(h), gxydz.a);
92
    }
93
    else
94
    {
95
        gxyz = ivec3(gx, gy, gz);
96
        gxyz[psc(dims) - 1] *= 2;
97
        gxyz[psc(dims) - 1 - positive_axis] += p.offset;
98
    }
99

100
#if NCNN_image_shader
101
    afpvec8 v;
102

103
    if (psc(dims) == 1)
104
    {
105
        v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 0, 0, 0));
106
        v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 1, 0, 0));
107
    }
108
    else if (psc(dims) == 2)
109
    {
110
        if (positive_axis == 0)
111
        {
112
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 0, 0));
113
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 1, 0));
114
        }
115
        if (positive_axis == 1)
116
        {
117
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 0, gxyz.y, 0));
118
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 1, gxyz.y, 0));
119
        }
120
    }
121
    else if (psc(dims) == 3)
122
    {
123
        if (positive_axis == 0)
124
        {
125
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y, gxyz.z + 0));
126
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y, gxyz.z + 1));
127
        }
128
        if (positive_axis == 1)
129
        {
130
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 0, gxyz.z));
131
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 1, gxyz.z));
132
        }
133
        if (positive_axis == 2)
134
        {
135
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 0, gxyz.y, gxyz.z));
136
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 1, gxyz.y, gxyz.z));
137
        }
138
    }
139
    else // if (psc(dims) == 4)
140
    {
141
        if (positive_axis == 0)
142
        {
143
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y, gxyz.z + 0));
144
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y, gxyz.z + 1));
145
        }
146
        if (positive_axis == 1)
147
        {
148
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 0 * psc(outh), gxyz.z));
149
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 1 * psc(outh), gxyz.z));
150
        }
151
        if (positive_axis == 2)
152
        {
153
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 0, gxyz.z));
154
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x, gxyz.y + 1, gxyz.z));
155
        }
156
        if (positive_axis == 3)
157
        {
158
            v[0] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 0, gxyz.y, gxyz.z));
159
            v[1] = image3d_ld4(bottom_blob_3d, ivec3(gxyz.x + 1, gxyz.y, gxyz.z));
160
        }
161
    }
162

163
    image3d_st8(top_blob_3d, ivec3(gx, gy, gz), v);
164
#else
165
    const int gi = gz * psc(outcstep) + gy * psc(outw) + gx;
166

167
    int v_offset_0 = gxyz.z * psc(cstep) + gxyz.y * psc(w) + gxyz.x;
168

169
    ivec4 gxydz4;
170

171
    if (psc(dims) == 4)
172
    {
173
        gxydz4 = ivec4(1, psc(w), psc(w) * psc(h), psc(cstep));
174
    }
175
    else
176
    {
177
        gxydz4 = ivec4(1, psc(w), psc(cstep), 0);
178
    }
179

180
    ivec2 v_offset = v_offset_0 + ivec2(0, 1) * gxydz4[psc(dims) - 1 - positive_axis];
181

182
    buffer_cp4to8(top_blob_data, gi, bottom_blob_data, v_offset);
183
#endif
184
}
185
ncnn

Использование cookies
