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/*
* 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_BLOBMEMORYPOOL_H
#define ARM_COMPUTE_BLOBMEMORYPOOL_H
#include "arm_compute/runtime/IMemoryPool.h"
#include "arm_compute/runtime/IMemoryRegion.h"
#include "arm_compute/runtime/Types.h"
#include <cstddef>
#include <memory>
#include <vector>
namespace arm_compute
{
// Forward declaration
class IAllocator;
/** Blob memory pool */
class BlobMemoryPool : 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 blobs to be allocated
*/
BlobMemoryPool(IAllocator *allocator, std::vector<BlobInfo> blob_info);
/** Default Destructor */
~BlobMemoryPool();
/** Prevent instances of this class to be copy constructed */
BlobMemoryPool(const BlobMemoryPool &) = delete;
/** Prevent instances of this class to be copy assigned */
BlobMemoryPool &operator=(const BlobMemoryPool &) = delete;
/** Allow instances of this class to be move constructed */
BlobMemoryPool(BlobMemoryPool &&) = default;
/** Allow instances of this class to be move assigned */
BlobMemoryPool &operator=(BlobMemoryPool &&) = default;
// 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:
/** Allocates internal blobs
*
* @param blob_info Size of each blob
*/
void allocate_blobs(const std::vector<BlobInfo> &blob_info);
/** Frees blobs **/
void free_blobs();
private:
IAllocator *_allocator; /**< Allocator to use for internal allocation */
std::vector<std::unique_ptr<IMemoryRegion>> _blobs; /**< Vector holding all the memory blobs */
std::vector<BlobInfo> _blob_info; /**< Information of each blob */
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_BLOBMEMORYPOOL_H */
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