32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
/*
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Stacked-batch-data version of point grouping, modified from the original implementation of official PointNet++ codes.
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Written by Shaoshuai Shi
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All Rights Reserved 2019-2020.
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*/
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#ifndef _STACK_GROUP_POINTS_GPU_H
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#define _STACK_GROUP_POINTS_GPU_H
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#include <torch/serialize/tensor.h>
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#include <cuda.h>
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#include <cuda_runtime_api.h>
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#include <vector>
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int group_points_wrapper_stack(int B, int M, int C, int nsample,
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at::Tensor features_tensor, at::Tensor features_batch_cnt_tensor,
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at::Tensor idx_tensor, at::Tensor idx_batch_cnt_tensor, at::Tensor out_tensor);
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void group_points_kernel_launcher_stack(int B, int M, int C, int nsample,
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const float *features, const int *features_batch_cnt, const int *idx, const int *idx_batch_cnt, float *out);
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int group_points_grad_wrapper_stack(int B, int M, int C, int N, int nsample,
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at::Tensor grad_out_tensor, at::Tensor idx_tensor, at::Tensor idx_batch_cnt_tensor,
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at::Tensor features_batch_cnt_tensor, at::Tensor grad_features_tensor);
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void group_points_grad_kernel_launcher_stack(int B, int M, int C, int N, int nsample,
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const float *grad_out, const int *idx, const int *idx_batch_cnt, const int *features_batch_cnt, float *grad_features);
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#endif
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