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/*
* Copyright (c) 2018-2021 Arm Limited.
*
* SPDX-License-Identifier: MIT
*
* 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.
*/
#ifndef ARM_COMPUTE_GRAPH_NESUBTENSORHANDLE_H
#define ARM_COMPUTE_GRAPH_NESUBTENSORHANDLE_H
#include "arm_compute/graph/ITensorHandle.h"
#include "arm_compute/runtime/SubTensor.h"
namespace arm_compute
{
namespace graph
{
namespace backends
{
/** Neon Sub-Tensor handle interface object **/
class NESubTensorHandle final : public ITensorHandle
{
public:
/** Default constructor
*
* @param[in] parent_handle Parent tensor handle
* @param[in] shape Sub-Tensor shape
* @param[in] coords Starting coordinates
* @param[in] extend_parent Extends parent shape if true
*/
NESubTensorHandle(ITensorHandle *parent_handle, const TensorShape &shape, const Coordinates &coords, bool extend_parent = false);
/** Destructor: free the tensor's memory */
~NESubTensorHandle() = default;
/** Allow instances of this class to be move constructed */
NESubTensorHandle(NESubTensorHandle &&) = default;
/** Allow instances of this class to be moved */
NESubTensorHandle &operator=(NESubTensorHandle &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESubTensorHandle(const NESubTensorHandle &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NESubTensorHandle &operator=(const NESubTensorHandle &) = delete;
// Inherited overridden methods
void allocate() override;
void free() override;
void manage(IMemoryGroup *mg) override;
void map(bool blocking) override;
void unmap() override;
void release_if_unused() override;
arm_compute::ITensor &tensor() override;
const arm_compute::ITensor &tensor() const override;
ITensorHandle *parent_handle() override;
bool is_subtensor() const override;
Target target() const override;
private:
arm_compute::SubTensor _sub_tensor; /**< Backend Sub-Tensor */
ITensorHandle *_parent_handle; /**< Parent handle */
};
} // namespace backends
} // namespace graph
} // namespace arm_compute
#endif /* ARM_COMPUTE_GRAPH_NESUBTENSORHANDLE_H */
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