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
#extension GL_GOOGLE_include_directive: enable
25
#include "vulkan_activation.comp"
26

27
layout (constant_id = 0) const int bias_term = 0;
28
layout (constant_id = 1) const int activation_type = 0;
29
layout (constant_id = 2) const float activation_param_0 = 0;
30
layout (constant_id = 3) const float activation_param_1 = 0;
31

32
#define shape_constant_id_offset 4
33
layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
34
layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
35
layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
36
layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
37
layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
38

39
layout (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
40
layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
41
layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
42
layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
43
layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
44

45
#if NCNN_image_shader
46
layout (binding = 0) uniform unfp sampler3D bottom_blob;
47
layout (binding = 1, imfmtc4) writeonly uniform unfp image3D top_blob;
48
layout (binding = 2) uniform unfp sampler3D weight_blob;
49
layout (binding = 3) uniform unfp sampler3D bias_blob;
50
#else
51
layout (binding = 0) readonly buffer bottom_blob { sfp bottom_blob_data[]; };
52
layout (binding = 1) writeonly buffer top_blob { sfpvec4 top_blob_data[]; };
53
layout (binding = 2) readonly buffer weight_blob { sfpvec4 weight_data[]; };
54
layout (binding = 3) readonly buffer bias_blob { sfpvec4 bias_data[]; };
55
#endif
56

57
layout (push_constant) uniform parameter
58
{
59
    int dims;
60
    int w;
61
    int h;
62
    int c;
63
    int cstep;
64

65
    int outdims;
66
    int outw;
67
    int outh;
68
    int outc;
69
    int outcstep;
70
} p;
71

72
void main()
73
{
74
    int gx = int(gl_GlobalInvocationID.x);
75
    int gy = int(gl_GlobalInvocationID.y);
76
    int gz = int(gl_GlobalInvocationID.z);
77

78
    if (gx >= psc(outw) || gy >= 1 || gz >= 1)
79
        return;
80

81
    afpvec4 sum;
82

83
    if (bias_term == 1)
84
    {
85
#if NCNN_image_shader
86
        sum = image3d_ld4(bias_blob, ivec3(gx, 0, 0));
87
#else
88
        sum = buffer_ld4(bias_data, gx);
89
#endif
90
    }
91
    else
92
    {
93
        sum = afpvec4(0.f);
94
    }
95

96
#if NCNN_image_shader
97
    for (int i = 0; i < psc(w); i++)
98
    {
99
        afp v = image3d_ld1(bottom_blob, ivec3(i, 0, 0));
100

101
        afpvec4 k = image3d_ld4(weight_blob, ivec3(i, gx, 0));
102

103
        sum += v * k;
104
    }
105
#else
106
    int w_offset = gx * psc(w);
107

108
    for (int i = 0; i < psc(w); i++)
109
    {
110
        afp v = buffer_ld1(bottom_blob_data, i);
111

112
        afpvec4 k = buffer_ld4(weight_data, w_offset + i);
113

114
        sum += v * k;
115
    }
116
#endif
117

118
    sum = activation_afpvec4(sum, activation_type, activation_param_0, activation_param_1);
119

120
#if NCNN_image_shader
121
    image3d_st4(top_blob, ivec3(gx, 0, 0), sum);
122
#else
123
    buffer_st4(top_blob_data, gx, sum);
124
#endif
125
}
126