ncnn

1
// Tencent is pleased to support the open source community by making ncnn available.
2
//
3
// Copyright (C) 2019 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
#endif
20
#if NCNN_fp16_arithmetic
21
#extension GL_EXT_shader_explicit_arithmetic_types_float16: require
22
#endif
23

24
#define shape_constant_id_offset 0
25
layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
26
layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
27
layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
28
layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
29
layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
30

31
layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
32
layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
33
layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
34
layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
35
layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
36

37
#if NCNN_image_shader
38
layout (binding = 0) uniform unfp sampler3D bottom_blob;
39
layout (binding = 1, imfmtc4) writeonly uniform unfp image3D top_blob;
40
#else
41
layout (binding = 0) readonly buffer bottom_blob { sfpvec4 bottom_blob_data[]; };
42
layout (binding = 1) writeonly buffer top_blob { sfpvec4 top_blob_data[]; };
43
#endif
44
layout (binding = 2) readonly buffer alpha_blob { sfpvec4 alpha_blob_data[]; };
45
layout (binding = 3) readonly buffer xofs_blob { int xofs_blob_data[]; };
46
layout (binding = 4) readonly buffer beta_blob { sfpvec4 beta_blob_data[]; };
47
layout (binding = 5) readonly buffer yofs_blob { int yofs_blob_data[]; };
48

49
layout (push_constant) uniform parameter
50
{
51
    int dims;
52
    int w;
53
    int h;
54
    int c;
55
    int cstep;
56

57
    int outdims;
58
    int outw;
59
    int outh;
60
    int outc;
61
    int outcstep;
62
} p;
63

64
void main()
65
{
66
    int gx = int(gl_GlobalInvocationID.x);
67
    int gy = int(gl_GlobalInvocationID.y);
68
    int gz = int(gl_GlobalInvocationID.z);
69

70
    if (gx >= psc(outw) || gy >= psc(outh) || gz >= psc(outc))
71
        return;
72

73
    if (psc(dims) == 2)
74
    {
75
        int sx = xofs_blob_data[gx];
76

77
#if NCNN_image_shader
78
        afpvec4 b0 = image3d_ld4(bottom_blob, ivec3(sx - 1, gy, gz));
79
        afpvec4 b1 = image3d_ld4(bottom_blob, ivec3(sx + 0, gy, gz));
80
        afpvec4 b2 = image3d_ld4(bottom_blob, ivec3(sx + 1, gy, gz));
81
        afpvec4 b3 = image3d_ld4(bottom_blob, ivec3(sx + 2, gy, gz));
82

83
        afpmat4 b0123 = afpmat4(b0, b1, b2, b3);
84
#else
85
        int v_offset_1 = gz * psc(cstep) + gy * psc(w) + sx;
86

87
        afpvec4 b0 = buffer_ld4(bottom_blob_data, v_offset_1 - 1);
88
        afpvec4 b1 = buffer_ld4(bottom_blob_data, v_offset_1 + 0);
89
        afpvec4 b2 = buffer_ld4(bottom_blob_data, v_offset_1 + 1);
90
        afpvec4 b3 = buffer_ld4(bottom_blob_data, v_offset_1 + 2);
91

92
        afpmat4 b0123 = afpmat4(b0, b1, b2, b3);
93
#endif
94

95
        afpvec4 alpha = buffer_ld4(alpha_blob_data, gx);
96

97
        afpvec4 v = b0123 * alpha;
98

99
#if NCNN_image_shader
100
        image3d_st4(top_blob, ivec3(gx, gy, gz), v);
101
#else
102
        const int gi = gz * psc(outcstep) + gy * psc(outw) + gx;
103

104
        buffer_st4(top_blob_data, gi, v);
105
#endif
106
        return;
107
    }
108

109
    int sx = xofs_blob_data[gx];
110
    int sy = yofs_blob_data[gy];
111

112
#if NCNN_image_shader
113
    afpvec4 a0 = image3d_ld4(bottom_blob, ivec3(sx - 1, sy - 1, gz));
114
    afpvec4 a1 = image3d_ld4(bottom_blob, ivec3(sx + 0, sy - 1, gz));
115
    afpvec4 a2 = image3d_ld4(bottom_blob, ivec3(sx + 1, sy - 1, gz));
116
    afpvec4 a3 = image3d_ld4(bottom_blob, ivec3(sx + 2, sy - 1, gz));
117

118
    afpmat4 a0123 = afpmat4(a0, a1, a2, a3);
119

120
    afpvec4 b0 = image3d_ld4(bottom_blob, ivec3(sx - 1, sy + 0, gz));
121
    afpvec4 b1 = image3d_ld4(bottom_blob, ivec3(sx + 0, sy + 0, gz));
122
    afpvec4 b2 = image3d_ld4(bottom_blob, ivec3(sx + 1, sy + 0, gz));
123
    afpvec4 b3 = image3d_ld4(bottom_blob, ivec3(sx + 2, sy + 0, gz));
124

125
    afpmat4 b0123 = afpmat4(b0, b1, b2, b3);
126

127
    afpvec4 c0 = image3d_ld4(bottom_blob, ivec3(sx - 1, sy + 1, gz));
128
    afpvec4 c1 = image3d_ld4(bottom_blob, ivec3(sx + 0, sy + 1, gz));
129
    afpvec4 c2 = image3d_ld4(bottom_blob, ivec3(sx + 1, sy + 1, gz));
130
    afpvec4 c3 = image3d_ld4(bottom_blob, ivec3(sx + 2, sy + 1, gz));
131

132
    afpmat4 c0123 = afpmat4(c0, c1, c2, c3);
133

134
    afpvec4 d0 = image3d_ld4(bottom_blob, ivec3(sx - 1, sy + 2, gz));
135
    afpvec4 d1 = image3d_ld4(bottom_blob, ivec3(sx + 0, sy + 2, gz));
136
    afpvec4 d2 = image3d_ld4(bottom_blob, ivec3(sx + 1, sy + 2, gz));
137
    afpvec4 d3 = image3d_ld4(bottom_blob, ivec3(sx + 2, sy + 2, gz));
138

139
    afpmat4 d0123 = afpmat4(d0, d1, d2, d3);
140
#else
141
    int v_offset_0 = gz * psc(cstep) + (sy - 1) * psc(w) + sx;
142
    int v_offset_1 = gz * psc(cstep) + (sy + 0) * psc(w) + sx;
143
    int v_offset_2 = gz * psc(cstep) + (sy + 1) * psc(w) + sx;
144
    int v_offset_3 = gz * psc(cstep) + (sy + 2) * psc(w) + sx;
145

146
    afpvec4 a0 = buffer_ld4(bottom_blob_data, v_offset_0 - 1);
147
    afpvec4 a1 = buffer_ld4(bottom_blob_data, v_offset_0 + 0);
148
    afpvec4 a2 = buffer_ld4(bottom_blob_data, v_offset_0 + 1);
149
    afpvec4 a3 = buffer_ld4(bottom_blob_data, v_offset_0 + 2);
150

151
    afpmat4 a0123 = afpmat4(a0, a1, a2, a3);
152

153
    afpvec4 b0 = buffer_ld4(bottom_blob_data, v_offset_1 - 1);
154
    afpvec4 b1 = buffer_ld4(bottom_blob_data, v_offset_1 + 0);
155
    afpvec4 b2 = buffer_ld4(bottom_blob_data, v_offset_1 + 1);
156
    afpvec4 b3 = buffer_ld4(bottom_blob_data, v_offset_1 + 2);
157

158
    afpmat4 b0123 = afpmat4(b0, b1, b2, b3);
159

160
    afpvec4 c0 = buffer_ld4(bottom_blob_data, v_offset_2 - 1);
161
    afpvec4 c1 = buffer_ld4(bottom_blob_data, v_offset_2 + 0);
162
    afpvec4 c2 = buffer_ld4(bottom_blob_data, v_offset_2 + 1);
163
    afpvec4 c3 = buffer_ld4(bottom_blob_data, v_offset_2 + 2);
164

165
    afpmat4 c0123 = afpmat4(c0, c1, c2, c3);
166

167
    afpvec4 d0 = buffer_ld4(bottom_blob_data, v_offset_3 - 1);
168
    afpvec4 d1 = buffer_ld4(bottom_blob_data, v_offset_3 + 0);
169
    afpvec4 d2 = buffer_ld4(bottom_blob_data, v_offset_3 + 1);
170
    afpvec4 d3 = buffer_ld4(bottom_blob_data, v_offset_3 + 2);
171

172
    afpmat4 d0123 = afpmat4(d0, d1, d2, d3);
173
#endif
174

175
    afpvec4 alpha = buffer_ld4(alpha_blob_data, gx);
176

177
    afpvec4 a = a0123 * alpha;
178
    afpvec4 b = b0123 * alpha;
179
    afpvec4 c = c0123 * alpha;
180
    afpvec4 d = d0123 * alpha;
181

182
    afpmat4 abcd = afpmat4(a, b, c, d);
183

184
    afpvec4 beta = buffer_ld4(beta_blob_data, gy);
185

186
    afpvec4 v = abcd * beta;
187

188
#if NCNN_image_shader
189
    image3d_st4(top_blob, ivec3(gx, gy, gz), v);
190
#else
191
    const int gi = gz * psc(outcstep) + gy * psc(outw) + gx;
192

193
    buffer_st4(top_blob_data, gi, v);
194
#endif
195
}
196