91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
/*
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* Copyright (c) 2018-2019 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ARM_COMPUTE_GRAPH_ITENSORHANDLE_H
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#define ARM_COMPUTE_GRAPH_ITENSORHANDLE_H
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#include "arm_compute/core/ITensor.h"
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#include "arm_compute/graph/Types.h"
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namespace arm_compute
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{
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// Forward declarations
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class IMemoryGroup;
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namespace graph
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{
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/** Tensor handle interface object */
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class ITensorHandle
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{
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public:
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/** Default virtual destructor */
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virtual ~ITensorHandle() = default;
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/** Allocates backend memory for the handle */
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virtual void allocate() = 0;
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/** Allocates backend memory for the handle */
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virtual void free() = 0;
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/** Set backend tensor to be managed by a memory group
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*
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* @param[in] mg Memory group
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*/
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virtual void manage(IMemoryGroup *mg) = 0;
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/** Maps backend tensor object
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*
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* @param[in] blocking Flags if the mapping operations should be blocking
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*/
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virtual void map(bool blocking) = 0;
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/** Un-maps a backend tensor object */
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virtual void unmap() = 0;
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/** Releases backend tensor if is marked as unused
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*
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*
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* @note This has no effect on sub-tensors
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* @warning Parent tensors don't keep track of sub-tensors,
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* thus if a parent is set as unused then all sub-tensors will be invalidated,
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* on the other hand if a sub-tensor is marked as unused then the parent tensor won't be released
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*/
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virtual void release_if_unused() = 0;
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/** Backend tensor object accessor */
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virtual arm_compute::ITensor &tensor() = 0;
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/** Backend tensor object const accessor */
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virtual const arm_compute::ITensor &tensor() const = 0;
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/** Return the parent tensor handle if is a subtensor else this
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*
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* @return Parent tensor handle
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*/
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virtual ITensorHandle *parent_handle() = 0;
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/** Checks if a backing tensor is a sub-tensor object or not
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*
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* @return True if the backend tensor is a sub-tensor else false
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*/
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virtual bool is_subtensor() const = 0;
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/** Returns target type
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*
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* @return Target type
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*/
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virtual Target target() const = 0;
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};
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} // namespace graph
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} // namespace arm_compute
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#endif /* ARM_COMPUTE_GRAPH_ITENSORHANDLE_H */
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