ncnn

1
// Tencent is pleased to support the open source community by making ncnn available.
2
//
3
// Copyright (C) 2023 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
#extension GL_GOOGLE_include_directive: enable
26
#include "vulkan_activation.comp"
27

28
layout (constant_id = 0) const int kernel_w = 1;
29
layout (constant_id = 1) const int dilation_w = 1;
30
layout (constant_id = 2) const int stride_w = 1;
31
layout (constant_id = 3) const int bias_term = 0;
32
layout (constant_id = 4) const int activation_type = 0;
33
layout (constant_id = 5) const float activation_param_0 = 0;
34
layout (constant_id = 6) const float activation_param_1 = 0;
35

36
#define shape_constant_id_offset 7
37
layout (constant_id = shape_constant_id_offset + 0) const int w = 0;
38
layout (constant_id = shape_constant_id_offset + 1) const int h = 0;
39

40
layout (constant_id = shape_constant_id_offset + 2) const int outw = 0;
41
layout (constant_id = shape_constant_id_offset + 3) const int outh = 0;
42

43
#if NCNN_image_shader
44
layout (binding = 0) uniform unfp sampler3D bottom_blob;
45
layout (binding = 1, imfmtc4) writeonly uniform unfp image3D top_blob;
46
layout (binding = 2) uniform unfp sampler3D weight_blob;
47
layout (binding = 3) uniform unfp sampler3D bias_blob;
48
#else
49
layout (binding = 0) readonly buffer bottom_blob { sfp bottom_blob_data[]; };
50
layout (binding = 1) writeonly buffer top_blob { sfpvec8 top_blob_data[]; };
51
layout (binding = 2) readonly buffer weight_blob { sfpvec8 weight_data[]; };
52
layout (binding = 3) readonly buffer bias_blob { sfpvec8 bias_data[]; };
53
#endif
54

55
layout (push_constant) uniform parameter
56
{
57
    int w;
58
    int h;
59

60
    int outw;
61
    int outh;
62
} p;
63

64
void main()
65
{
66
    int gx = int(gl_GlobalInvocationID.x) * 2;
67
    int gy = int(gl_GlobalInvocationID.y) * 2;
68

69
    if (gx >= psc(outw) || gy >= psc(outh))
70
        return;
71

72
    const ivec2 gx2 = gx + ivec2(0, 1);
73
    const ivec2 gy2 = gy + ivec2(0, 1);
74

75
    afpvec8 sum0 = afpvec8(afpvec4(0.0f), afpvec4(0.0f));
76
    afpvec8 sum1 = afpvec8(afpvec4(0.0f), afpvec4(0.0f));
77
    afpvec8 sum2 = afpvec8(afpvec4(0.0f), afpvec4(0.0f));
78
    afpvec8 sum3 = afpvec8(afpvec4(0.0f), afpvec4(0.0f));
79

80
    if (bias_term == 1)
81
    {
82
#if NCNN_image_shader
83
        sum0 = image3d_ld8(bias_blob, ivec3(gy2.x, 0, 0));
84
        sum2 = image3d_ld8(bias_blob, ivec3(gy2.y, 0, 0));
85
#else
86
        sum0 = buffer_ld8(bias_data, gy2.x);
87
        sum2 = buffer_ld8(bias_data, gy2.y);
88
#endif
89
        sum1 = sum0;
90
        sum3 = sum2;
91
    }
92

93
#if NCNN_image_shader
94

95
    ivec2 v_offset = gx2 * stride_w;
96

97
    for (int y = 0; y < psc(h); y++)
98
    {
99
        int wx = 0;
100

101
        for (int x = 0; x < kernel_w; x++)
102
        {
103
            afp v0 = image3d_ld1(bottom_blob, ivec3(v_offset.x + x * dilation_w, y, 0));
104
            afp v1 = image3d_ld1(bottom_blob, ivec3(v_offset.y + x * dilation_w, y, 0));
105
            
106
            afpvec8 k0 = image3d_ld8(weight_blob, ivec3(wx, y, gy2.x));
107
            afpvec8 k1 = image3d_ld8(weight_blob, ivec3(wx, y, gy2.y));
108

109
            sum0[0] += v0 * k0[0];
110
            sum0[1] += v0 * k0[1];
111
            sum1[0] += v1 * k0[0];
112
            sum1[1] += v1 * k0[1];
113
            sum2[0] += v0 * k1[0];
114
            sum2[1] += v0 * k1[1];
115
            sum3[0] += v1 * k1[0];
116
            sum3[1] += v1 * k1[1];
117

118
            wx += 1;
119
        }
120
    }
121
    
122
#else
123

124
    ivec2 v_offset = gx2 * stride_w;
125
    ivec2 w_offset = gy2 * psc(h) * kernel_w;
126
    
127
    for (int y = 0; y < psc(h); y++)
128
    {    
129
        for (int x = 0; x < kernel_w; x++)
130
        {
131
            afp v0 = buffer_ld1(bottom_blob_data, v_offset.x + x * dilation_w);
132
            afp v1 = buffer_ld1(bottom_blob_data, v_offset.y + x * dilation_w);
133
            
134
            afpvec8 k0 = buffer_ld8(weight_data, w_offset.x + x);
135
            afpvec8 k1 = buffer_ld8(weight_data, w_offset.y + x);
136

137
            sum0[0] += v0 * k0[0];
138
            sum0[1] += v0 * k0[1];
139
            sum1[0] += v1 * k0[0];
140
            sum1[1] += v1 * k0[1];
141
            sum2[0] += v0 * k1[0];
142
            sum2[1] += v0 * k1[1];
143
            sum3[0] += v1 * k1[0];
144
            sum3[1] += v1 * k1[1];
145
        }       
146
        v_offset += psc(w);
147
        w_offset += kernel_w;
148
    }
149
    
150
#endif
151

152
    sum0 = activation_afpvec8(sum0, activation_type, activation_param_0, activation_param_1);
153
    sum1 = activation_afpvec8(sum1, activation_type, activation_param_0, activation_param_1);
154
    sum2 = activation_afpvec8(sum2, activation_type, activation_param_0, activation_param_1);
155
    sum3 = activation_afpvec8(sum3, activation_type, activation_param_0, activation_param_1);
156
    
157
#if NCNN_image_shader
158

159
    image3d_st8(top_blob, ivec3(gx2.x, gy2.x, 0), sum0);
160
    image3d_st8(top_blob, ivec3(gx2.y, gy2.x, 0), sum1);
161
    image3d_st8(top_blob, ivec3(gx2.x, gy2.y, 0), sum2);
162
    image3d_st8(top_blob, ivec3(gx2.y, gy2.y, 0), sum3);
163
    
164
#else
165

166
    const int gi = gy * psc(outw) + gx;
167

168
    buffer_st8(top_blob_data, gi, sum0);
169
    if (gx + 1 < psc(outw)) buffer_st8(top_blob_data, gi + 1, sum1);
170
    if (gy + 1 < psc(outh)) buffer_st8(top_blob_data, gi + psc(outw), sum2);
171
    if (gy + 1 < psc(outh) && gx + 1 < psc(outw)) buffer_st8(top_blob_data, gi + psc(outw) + 1, sum3);
172
    
173
#endif
174
}
175