80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
/*
|
|
* Copyright (c) 2017-2019 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_OFFSETMEMORYPOOL_H
|
|
#define ARM_COMPUTE_OFFSETMEMORYPOOL_H
|
|
|
|
#include "arm_compute/runtime/IMemoryPool.h"
|
|
|
|
#include "arm_compute/runtime/IMemoryRegion.h"
|
|
#include "arm_compute/runtime/Types.h"
|
|
|
|
#include <cstddef>
|
|
#include <memory>
|
|
|
|
namespace arm_compute
|
|
{
|
|
class IAllocator;
|
|
|
|
/** Offset based memory pool */
|
|
class OffsetMemoryPool : public IMemoryPool
|
|
{
|
|
public:
|
|
/** Default Constructor
|
|
*
|
|
* @note allocator should outlive the memory pool
|
|
*
|
|
* @param[in] allocator Backing memory allocator
|
|
* @param[in] blob_info Configuration information of the blob to be allocated
|
|
*/
|
|
OffsetMemoryPool(IAllocator *allocator, BlobInfo blob_info);
|
|
/** Default Destructor */
|
|
~OffsetMemoryPool() = default;
|
|
/** Prevent instances of this class to be copy constructed */
|
|
OffsetMemoryPool(const OffsetMemoryPool &) = delete;
|
|
/** Prevent instances of this class to be copy assigned */
|
|
OffsetMemoryPool &operator=(const OffsetMemoryPool &) = delete;
|
|
/** Allow instances of this class to be move constructed */
|
|
OffsetMemoryPool(OffsetMemoryPool &&) = default;
|
|
/** Allow instances of this class to be move assigned */
|
|
OffsetMemoryPool &operator=(OffsetMemoryPool &&) = default;
|
|
/** Accessor to the pool internal configuration meta-data
|
|
*
|
|
* @return Pool internal configuration meta-data
|
|
*/
|
|
const BlobInfo &info() const;
|
|
|
|
// Inherited methods overridden:
|
|
void acquire(MemoryMappings &handles) override;
|
|
void release(MemoryMappings &handles) override;
|
|
MappingType mapping_type() const override;
|
|
std::unique_ptr<IMemoryPool> duplicate() override;
|
|
|
|
private:
|
|
IAllocator *_allocator; /**< Allocator to use for internal allocation */
|
|
std::unique_ptr<IMemoryRegion> _blob; /**< Memory blob */
|
|
BlobInfo _blob_info; /**< Information for the blob to allocate */
|
|
};
|
|
} // namespace arm_compute
|
|
#endif /* ARM_COMPUTE_OFFSETMEMORYPOOL_H */
|