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//
// Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#version 450
#if NCNN_fp16_storage
#extension GL_EXT_shader_16bit_storage: require
struct sfpvec8 { f16vec4 abcd; f16vec4 efgh; };
#endif
#if NCNN_fp16_arithmetic
#extension GL_EXT_shader_explicit_arithmetic_types_float16: require
#endif
layout (constant_id = 0) const int op_type = 0;
layout (constant_id = 1) const int with_scalar = 0;
layout (constant_id = 2) const float const_b = 0;
#define shape_constant_id_offset 3
layout (constant_id = shape_constant_id_offset + 0) const int adims = 0;
layout (constant_id = shape_constant_id_offset + 1) const int aw = 0;
layout (constant_id = shape_constant_id_offset + 2) const int ah = 0;
layout (constant_id = shape_constant_id_offset + 3) const int ac = 0;
layout (constant_id = shape_constant_id_offset + 4) const int acstep = 0;
layout (constant_id = shape_constant_id_offset + 5) const int bdims = 0;
layout (constant_id = shape_constant_id_offset + 6) const int bw = 0;
layout (constant_id = shape_constant_id_offset + 7) const int bh = 0;
layout (constant_id = shape_constant_id_offset + 8) const int bc = 0;
layout (constant_id = shape_constant_id_offset + 9) const int bcstep = 0;
layout (constant_id = shape_constant_id_offset + 10) const int outdims = 0;
layout (constant_id = shape_constant_id_offset + 11) const int outw = 0;
layout (constant_id = shape_constant_id_offset + 12) const int outh = 0;
layout (constant_id = shape_constant_id_offset + 13) const int outc = 0;
layout (constant_id = shape_constant_id_offset + 14) const int outcstep = 0;
#if NCNN_image_shader
layout (binding = 0) uniform unfp sampler3D a_blob_3d;
layout (binding = 1) uniform unfp sampler3D b_blob_3d;
layout (binding = 2, imfmtc4) writeonly uniform unfp image3D top_blob_3d;
#else
layout (binding = 0) buffer a_blob { sfpvec8 a_blob_data[]; };
layout (binding = 1) readonly buffer b_blob { sfpvec8 b_blob_data[]; };
layout (binding = 2) writeonly buffer top_blob { sfpvec8 top_blob_data[]; };
#endif
layout (push_constant) uniform parameter
{
int adims;
int aw;
int ah;
int ac;
int acstep;
int bdims;
int bw;
int bh;
int bc;
int bcstep;
int outdims;
int outw;
int outh;
int outc;
int outcstep;
} p;
void main()
{
int gx = int(gl_GlobalInvocationID.x);
int gy = int(gl_GlobalInvocationID.y);
int gz = int(gl_GlobalInvocationID.z);
if (gx >= psc(outw) || gy >= psc(outh) || gz >= psc(outc))
return;
#if NCNN_image_shader
afpvec8 v1 = image3d_ld8(a_blob_3d, ivec3(gx, gy, gz));
#else
const int gi = gz * psc(outcstep) + gy * psc(outw) + gx;
afpvec8 v1 = buffer_ld8(a_blob_data, gi);
#endif
afpvec8 v2;
if (with_scalar == 1)
{
// scalar
v2[0] = afpvec4(afp(const_b));
v2[1] = afpvec4(afp(const_b));
}
else
{
// no broadcast
#if NCNN_image_shader
v2 = image3d_ld8(b_blob_3d, ivec3(gx, gy, gz));
#else
v2 = buffer_ld8(b_blob_data, gi);
#endif
}
afpvec8 res;
if (op_type == 0)
{
res[0] = v1[0] + v2[0];
res[1] = v1[1] + v2[1];
}
if (op_type == 1)
{
res[0] = v1[0] - v2[0];
res[1] = v1[1] - v2[1];
}
if (op_type == 2)
{
res[0] = v1[0] * v2[0];
res[1] = v1[1] * v2[1];
}
if (op_type == 3)
{
res[0] = v1[0] / v2[0];
res[1] = v1[1] / v2[1];
}
if (op_type == 4)
{
res[0] = max(v1[0], v2[0]);
res[1] = max(v1[1], v2[1]);
}
if (op_type == 5)
{
res[0] = min(v1[0], v2[0]);
res[1] = min(v1[1], v2[1]);
}
if (op_type == 6)
{
res[0] = pow(v1[0], v2[0]);
res[1] = pow(v1[1], v2[1]);
}
if (op_type == 7)
{
res[0] = v2[0] - v1[0];
res[1] = v2[1] - v1[1];
}
if (op_type == 8)
{
res[0] = v2[0] / v1[0];
res[1] = v2[1] / v1[1];
}
if (op_type == 9)
{
res[0] = pow(v2[0], v1[0]);
res[1] = pow(v2[1], v1[1]);
}
if (op_type == 10)
{
#if NCNN_moltenvk
res[0] = afpvec4(atan(vec4(v1[0]), vec4(v2[0])));
res[1] = afpvec4(atan(vec4(v1[1]), vec4(v2[1])));
#else
res[0] = atan(v1[0], v2[0]);
res[1] = atan(v1[1], v2[1]);
#endif
}
if (op_type == 11)
{
#if NCNN_moltenvk
res[0] = afpvec4(atan(vec4(v2[0]), vec4(v1[0])));
res[1] = afpvec4(atan(vec4(v2[1]), vec4(v1[1])));
#else
res[0] = atan(v2[0], v1[0]);
res[1] = atan(v2[1], v1[1]);
#endif
}
#if NCNN_image_shader
image3d_st8(top_blob_3d, ivec3(gx, gy, gz), res);
#else
buffer_st8(top_blob_data, gi, res);
#endif
}
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