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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
#ifndef __ONERT_BACKEND_CONTROLFLOW_USER_TENSOR_H__
#define __ONERT_BACKEND_CONTROLFLOW_USER_TENSOR_H__
#include "ir/OperandInfo.h"
#include "backend/IPortableTensor.h"
namespace onert
{
namespace backend
{
namespace controlflow
{
/**
* @brief Tensor object that is for Input and Output tensors from the user.
*
* This class is a wrapped buffer that is allocated by the user. So it does not have resposibility
* on allocation nor deallocation. All the model input/output tensors are wrapped with this class
* for execution.
*
*/
class UserTensor : public IPortableTensor
{
public:
UserTensor(const ir::OperandInfo &info, ir::Layout layout, uint8_t *buffer, size_t size)
: _info{info}, _layout{layout}, _buffer{buffer}, _size{size}, _dynamic{false}
{
}
UserTensor(const ir::OperandInfo &info, ir::Layout layout) : UserTensor{info, layout, nullptr, 0}
{
}
public:
void setBuffer(uint8_t *buffer, size_t size)
{
_buffer = buffer;
_size = size;
}
public:
uint8_t *buffer() const override { return _buffer; }
size_t total_size() const override { return _size; }
size_t dimension(size_t index) const override { return _info.shape().dim(index); }
size_t num_dimensions() const override { return _info.shape().rank(); }
size_t calcOffset(const ir::Coordinates &coords) const override;
ir::Layout layout() const override { return _layout; }
ir::DataType data_type() const override { return _info.typeInfo().type(); }
float data_scale() const override { return _info.typeInfo().scale(); }
int32_t data_offset() const override { return _info.typeInfo().offset(); }
bool is_dynamic() const override { return _dynamic; }
void set_dynamic() override { _dynamic = true; }
ir::Shape getShape() const override { return _info.shape(); }
void setShape(const ir::Shape &new_shape) override { _info.shape(new_shape); }
private:
ir::OperandInfo _info;
ir::Layout _layout;
uint8_t *_buffer;
size_t _size;
bool _dynamic;
};
} // namespace controlflow
} // namespace backend
} // namespace onert
#endif // __ONERT_BACKEND_CONTROLFLOW_USER_TENSOR_H__
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