1// Tencent is pleased to support the open source community by making ncnn available.
2//
3// Copyright (C) 2018 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
24layout (constant_id = 0) const int op_type = 0;
25layout (constant_id = 1) const int with_scalar = 0;
26layout (constant_id = 2) const float const_b = 0;
27
28#define shape_constant_id_offset 3
29layout (constant_id = shape_constant_id_offset + 0) const int adims = 0;
30layout (constant_id = shape_constant_id_offset + 1) const int aw = 0;
31layout (constant_id = shape_constant_id_offset + 2) const int ah = 0;
32layout (constant_id = shape_constant_id_offset + 3) const int ac = 0;
33layout (constant_id = shape_constant_id_offset + 4) const int acstep = 0;
34
35layout (constant_id = shape_constant_id_offset + 5) const int bdims = 0;
36layout (constant_id = shape_constant_id_offset + 6) const int bw = 0;
37layout (constant_id = shape_constant_id_offset + 7) const int bh = 0;
38layout (constant_id = shape_constant_id_offset + 8) const int bc = 0;
39layout (constant_id = shape_constant_id_offset + 9) const int bcstep = 0;
40
41layout (constant_id = shape_constant_id_offset + 10) const int outdims = 0;
42layout (constant_id = shape_constant_id_offset + 11) const int outw = 0;
43layout (constant_id = shape_constant_id_offset + 12) const int outh = 0;
44layout (constant_id = shape_constant_id_offset + 13) const int outc = 0;
45layout (constant_id = shape_constant_id_offset + 14) const int outcstep = 0;
46
47#if NCNN_image_shader
48layout (binding = 0) uniform unfp sampler3D a_blob_3d;
49layout (binding = 1) uniform unfp sampler3D b_blob_3d;
50layout (binding = 2, imfmtc1) writeonly uniform unfp image3D top_blob_3d;
51#else
52layout (binding = 0) buffer a_blob { sfp a_blob_data[]; };
53layout (binding = 1) readonly buffer b_blob { sfp b_blob_data[]; };
54layout (binding = 2) writeonly buffer top_blob { sfp top_blob_data[]; };
55#endif
56
57layout (push_constant) uniform parameter
58{
59    int adims;
60    int aw;
61    int ah;
62    int ac;
63    int acstep;
64
65    int bdims;
66    int bw;
67    int bh;
68    int bc;
69    int bcstep;
70
71    int outdims;
72    int outw;
73    int outh;
74    int outc;
75    int outcstep;
76} p;
77
78void main()
79{
80    int gx = int(gl_GlobalInvocationID.x);
81    int gy = int(gl_GlobalInvocationID.y);
82    int gz = int(gl_GlobalInvocationID.z);
83
84    if (gx >= psc(outw) || gy >= psc(outh) || gz >= psc(outc))
85        return;
86
87#if NCNN_image_shader
88    afp v1 = image3d_ld1(a_blob_3d, ivec3(gx, gy, gz));
89#else
90    const int gi = gz * psc(outcstep) + gy * psc(outw) + gx;
91
92    afp v1 = buffer_ld1(a_blob_data, gi);
93#endif
94
95    afp res;
96
97    if (with_scalar == 1)
98    {
99        // type 5 10 15
100        afp b = afp(const_b);
101
102        if (op_type == 0) res = v1 + b;
103        if (op_type == 1) res = v1 - b;
104        if (op_type == 2) res = v1 * b;
105        if (op_type == 3) res = v1 / b;
106        if (op_type == 4) res = max(v1, b);
107        if (op_type == 5) res = min(v1, b);
108        if (op_type == 6) res = pow(v1, b);
109        if (op_type == 7) res = b - v1;
110        if (op_type == 8) res = b / v1;
111
112#if NCNN_image_shader
113        image3d_st1(top_blob_3d, ivec3(gx, gy, gz), res);
114#else
115        buffer_st1(a_blob_data, gi, res);
116#endif
117    }
118    else
119    {
120        // type 7 13 19
121#if NCNN_image_shader
122        afp v2 = image3d_ld1(b_blob_3d, ivec3(gx, gy, gz));
123#else
124        afp v2 = buffer_ld1(b_blob_data, gi);
125#endif
126
127        if (op_type == 0) res = v1 + v2;
128        if (op_type == 1) res = v1 - v2;
129        if (op_type == 2) res = v1 * v2;
130        if (op_type == 3) res = v1 / v2;
131        if (op_type == 4) res = max(v1, v2);
132        if (op_type == 5) res = min(v1, v2);
133        if (op_type == 6) res = pow(v1, v2);
134        if (op_type == 7) res = v2 - v1;
135        if (op_type == 8) res = v2 / v1;
136
137#if NCNN_image_shader
138        image3d_st1(top_blob_3d, ivec3(gx, gy, gz), res);
139#else
140        buffer_st1(top_blob_data, gi, res);
141#endif
142    }
143}
144