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// Tencent is pleased to support the open source community by making ncnn available.
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// Copyright (C) 2018 THL A29 Limited, a Tencent company. All rights reserved.
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// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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// https://opensource.org/licenses/BSD-3-Clause
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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#extension GL_EXT_shader_16bit_storage: require
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#if NCNN_fp16_arithmetic
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#extension GL_EXT_shader_explicit_arithmetic_types_float16: require
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layout (constant_id = 0) const int bias_term = 0;
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#define shape_constant_id_offset 1
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layout (constant_id = shape_constant_id_offset + 0) const int dims = 0;
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layout (constant_id = shape_constant_id_offset + 1) const int w = 0;
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layout (constant_id = shape_constant_id_offset + 2) const int h = 0;
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layout (constant_id = shape_constant_id_offset + 3) const int c = 0;
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layout (constant_id = shape_constant_id_offset + 4) const int cstep = 0;
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layout (binding = 0) uniform unfp sampler3D bottom_blob_3d;
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layout (binding = 1, imfmtc1) writeonly uniform unfp image3D top_blob_3d;
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layout (binding = 2) uniform unfp sampler3D scale_blob;
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layout (binding = 3) uniform unfp sampler3D bias_blob;
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layout (binding = 0) buffer bottom_top_blob { sfp bottom_top_blob_data[]; };
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layout (binding = 1) readonly buffer scale_blob { sfp scale_blob_data[]; };
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layout (binding = 2) readonly buffer bias_blob { sfp bias_blob_data[]; };
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layout (push_constant) uniform parameter
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int gx = int(gl_GlobalInvocationID.x);
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int gy = int(gl_GlobalInvocationID.y);
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int gz = int(gl_GlobalInvocationID.z);
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if (gx >= psc(w) || gy >= psc(h) || gz >= psc(c))
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afp v = image3d_ld1(bottom_blob_3d, ivec3(gx, gy, gz));
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const int gi = gz * psc(cstep) + gy * psc(w) + gx;
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afp v = buffer_ld1(bottom_top_blob_data, gi);
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const ivec3 gxyz = ivec3(gx, gy, gz);
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const int abi = gxyz[psc(dims) - 1];
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v = image3d_ld1(scale_blob, ivec3(abi, 0, 0)) * v + image3d_ld1(bias_blob, ivec3(abi, 0, 0));
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v = image3d_ld1(scale_blob, ivec3(abi, 0, 0)) * v;
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v = buffer_ld1(scale_blob_data, abi) * v + buffer_ld1(bias_blob_data, abi);
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v = buffer_ld1(scale_blob_data, abi) * v;
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image3d_st1(top_blob_3d, ivec3(gx, gy, gz), v);
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buffer_st1(bottom_top_blob_data, gi, v);