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// Tencent is pleased to support the open source community by making ncnn available.
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// Copyright (C) 2019 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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#extension GL_GOOGLE_include_directive: enable
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#include "vulkan_activation.comp"
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layout (constant_id = 0) const int kernel_w = 1;
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layout (constant_id = 1) const int kernel_h = 1;
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layout (constant_id = 2) const int dilation_w = 1;
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layout (constant_id = 3) const int dilation_h = 1;
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layout (constant_id = 4) const int stride_w = 1;
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layout (constant_id = 5) const int stride_h = 1;
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layout (constant_id = 6) const int bias_term = 0;
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layout (constant_id = 7) const int group = 1;
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layout (constant_id = 8) const int activation_type = 0;
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layout (constant_id = 9) const float activation_param_0 = 0;
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layout (constant_id = 10) const float activation_param_1 = 0;
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#define shape_constant_id_offset 11
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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 (constant_id = shape_constant_id_offset + 5) const int outdims = 0;
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layout (constant_id = shape_constant_id_offset + 6) const int outw = 0;
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layout (constant_id = shape_constant_id_offset + 7) const int outh = 0;
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layout (constant_id = shape_constant_id_offset + 8) const int outc = 0;
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layout (constant_id = shape_constant_id_offset + 9) const int outcstep = 0;
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layout (binding = 0) uniform unfp sampler3D bottom_blob;
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layout (binding = 1, imfmtc4) writeonly uniform unfp image3D top_blob;
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layout (binding = 2) uniform unfp sampler3D weight_blob;
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layout (binding = 3) uniform unfp sampler3D bias_blob;
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layout (binding = 0) readonly buffer bottom_blob { sfpvec4 bottom_blob_data[]; };
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layout (binding = 1) writeonly buffer top_blob { sfpvec4 top_blob_data[]; };
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#if NCNN_fp16_packed || (NCNN_fp16_storage && !NCNN_fp16_arithmetic)
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// GL_EXT_shader_16bit_storage does not define f16mat4 type :(
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layout (binding = 2) readonly buffer weight_blob { sfpvec4 weight_data[]; };
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layout (binding = 2) readonly buffer weight_blob { sfpmat4 weight_data[]; };
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layout (binding = 3) readonly buffer bias_blob { sfpvec4 bias_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(outw) || gy >= psc(outh) || gz >= psc(outc))
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sum = image3d_ld4(bias_blob, ivec3(gz, 0, 0));
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sum = buffer_ld4(bias_data, gz);
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const int channels_g = psc(c) / group;
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const int num_output_g = psc(outc) / group;
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const int gg = gz / num_output_g;
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int sz = gg * channels_g;
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for (int z = 0; z < channels_g; z++)
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int sy = gy * stride_h;
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for (int y = 0; y < kernel_h; y++)
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int sx = gx * stride_w;
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for (int x = 0; x < kernel_w; x++)
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afpvec4 v = image3d_ld4(bottom_blob, ivec3(sx, sy, sz));
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image3d_ld4(weight_blob, ivec3(wx + 0, z, gz)),
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image3d_ld4(weight_blob, ivec3(wx + 1, z, gz)),
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image3d_ld4(weight_blob, ivec3(wx + 2, z, gz)),
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image3d_ld4(weight_blob, ivec3(wx + 3, z, gz))
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int w_offset = gz * channels_g * kernel_w * kernel_h;
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int v_offset_0 = gg * channels_g * psc(cstep);
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for (int z = 0; z < channels_g; z++)
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int v_offset = v_offset_0 + gy * stride_h * psc(w) + gx * stride_w;
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for (int y = 0; y < kernel_h; y++)
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for (int x = 0; x < kernel_w; x++)
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afpvec4 v = buffer_ld4(bottom_blob_data, v_offset + x * dilation_w);
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#if NCNN_fp16_packed || (NCNN_fp16_storage && !NCNN_fp16_arithmetic)
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// GL_EXT_shader_16bit_storage does not define f16mat4 type :(
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buffer_ld4(weight_data, (w_offset + x) * 4 + 0),
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buffer_ld4(weight_data, (w_offset + x) * 4 + 1),
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buffer_ld4(weight_data, (w_offset + x) * 4 + 2),
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buffer_ld4(weight_data, (w_offset + x) * 4 + 3)
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afpmat4 k = afpmat4(weight_data[w_offset + x]);
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v_offset += dilation_h * psc(w);
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w_offset += kernel_w;
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v_offset_0 += psc(cstep);
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sum = activation_afpvec4(sum, activation_type, activation_param_0, activation_param_1);
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image3d_st4(top_blob, ivec3(gx, gy, gz), sum);
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const int gi = gz * psc(outcstep) + gy * psc(outw) + gx;
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buffer_st4(top_blob_data, gi, sum);