image_framework_ymj/include/open3d/ml/contrib/TrilinearDevoxelize.cuh
2024-12-06 16:25:16 +08:00

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// ----------------------------------------------------------------------------
// - Open3D: www.open3d.org -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
//
// Based on PVCNN Library (MIT License):
// https://github.com/mit-han-lab/pvcnn
//
// Copyright (c) 2018 Zhijian Liu, Haotian Tang, Yujun Lin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// ----------------------------------------------------------------------------
#pragma once
namespace open3d {
namespace ml {
namespace contrib {
__global__ void TrilinearDevoxelizeKernel(int b,
int c,
int n,
int r,
int r2,
int r3,
bool is_training,
const float *__restrict__ coords,
const float *__restrict__ feat,
int *__restrict__ inds,
float *__restrict__ wgts,
float *__restrict__ outs);
__global__ void TrilinearDevoxelizeGradKernel(int b,
int c,
int n,
int r3,
const int *__restrict__ inds,
const float *__restrict__ wgts,
const float *__restrict__ grad_y,
float *__restrict__ grad_x);
} // namespace contrib
} // namespace ml
} // namespace open3d