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/*!
**************************************************************************************************
* Deformable DETR
* Copyright (c) 2020 SenseTime. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 [see LICENSE for details]
**************************************************************************************************
* Modified from https://github.com/chengdazhi/Deformable-Convolution-V2-PyTorch/tree/pytorch_1.0.0
**************************************************************************************************
*/
#pragma once
#include "cpu/ms_deform_attn_cpu.h"
#ifdef WITH_CUDA
#include "cuda/ms_deform_attn_cuda.h"
#endif
at::Tensor
ms_deform_attn_forward(
const at::Tensor &value,
const at::Tensor &spatial_shapes,
const at::Tensor &level_start_index,
const at::Tensor &sampling_loc,
const at::Tensor &attn_weight,
const int im2col_step)
{
if (value.type().is_cuda())
{
#ifdef WITH_CUDA
return ms_deform_attn_cuda_forward(
value, spatial_shapes, level_start_index, sampling_loc, attn_weight, im2col_step);
#else
AT_ERROR("Not compiled with GPU support");
#endif
}
AT_ERROR("Not implemented on the CPU");
}
std::vector<at::Tensor>
ms_deform_attn_backward(
const at::Tensor &value,
const at::Tensor &spatial_shapes,
const at::Tensor &level_start_index,
const at::Tensor &sampling_loc,
const at::Tensor &attn_weight,
const at::Tensor &grad_output,
const int im2col_step)
{
if (value.type().is_cuda())
{
#ifdef WITH_CUDA
return ms_deform_attn_cuda_backward(
value, spatial_shapes, level_start_index, sampling_loc, attn_weight, grad_output, im2col_step);
#else
AT_ERROR("Not compiled with GPU support");
#endif
}
AT_ERROR("Not implemented on the CPU");
}
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