Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 1 | /* |
Georgios Pinitas | 734151d | 2019-01-21 18:38:21 +0000 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 ARM Limited. |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 24 | #ifndef ARM_COMPUTE_OFFSETMEMORYPOOL_H |
| 25 | #define ARM_COMPUTE_OFFSETMEMORYPOOL_H |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 26 | |
| 27 | #include "arm_compute/runtime/IMemoryPool.h" |
| 28 | |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 29 | #include "arm_compute/runtime/IMemoryRegion.h" |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 30 | #include "arm_compute/runtime/Types.h" |
| 31 | |
| 32 | #include <cstddef> |
Georgios Pinitas | 734151d | 2019-01-21 18:38:21 +0000 | [diff] [blame] | 33 | #include <memory> |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 34 | |
| 35 | namespace arm_compute |
| 36 | { |
| 37 | class IAllocator; |
| 38 | |
| 39 | /** Offset based memory pool */ |
| 40 | class OffsetMemoryPool : public IMemoryPool |
| 41 | { |
| 42 | public: |
| 43 | /** Default Constructor |
| 44 | * |
| 45 | * @note allocator should outlive the memory pool |
| 46 | * |
| 47 | * @param[in] allocator Backing memory allocator |
Georgios Pinitas | 734151d | 2019-01-21 18:38:21 +0000 | [diff] [blame] | 48 | * @param[in] blob_info Configuration information of the blob to be allocated |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 49 | */ |
Georgios Pinitas | 734151d | 2019-01-21 18:38:21 +0000 | [diff] [blame] | 50 | OffsetMemoryPool(IAllocator *allocator, BlobInfo blob_info); |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 51 | /** Default Destructor */ |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 52 | ~OffsetMemoryPool() = default; |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 53 | /** Prevent instances of this class to be copy constructed */ |
| 54 | OffsetMemoryPool(const OffsetMemoryPool &) = delete; |
| 55 | /** Prevent instances of this class to be copy assigned */ |
| 56 | OffsetMemoryPool &operator=(const OffsetMemoryPool &) = delete; |
| 57 | /** Allow instances of this class to be move constructed */ |
| 58 | OffsetMemoryPool(OffsetMemoryPool &&) = default; |
| 59 | /** Allow instances of this class to be move assigned */ |
| 60 | OffsetMemoryPool &operator=(OffsetMemoryPool &&) = default; |
Michalis Spyrou | caa7dee | 2019-09-09 19:23:39 +0100 | [diff] [blame] | 61 | /** Accessor to the pool internal configuration meta-data |
| 62 | * |
| 63 | * @return Pool internal configuration meta-data |
| 64 | */ |
| 65 | const BlobInfo &info() const; |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 66 | |
| 67 | // Inherited methods overridden: |
| 68 | void acquire(MemoryMappings &handles) override; |
| 69 | void release(MemoryMappings &handles) override; |
| 70 | MappingType mapping_type() const override; |
| 71 | std::unique_ptr<IMemoryPool> duplicate() override; |
| 72 | |
| 73 | private: |
Georgios Pinitas | df31036 | 2018-11-14 13:16:56 +0000 | [diff] [blame] | 74 | IAllocator *_allocator; /**< Allocator to use for internal allocation */ |
| 75 | std::unique_ptr<IMemoryRegion> _blob; /**< Memory blob */ |
Georgios Pinitas | 734151d | 2019-01-21 18:38:21 +0000 | [diff] [blame] | 76 | BlobInfo _blob_info; /**< Information for the blob to allocate */ |
Georgios Pinitas | 511347a | 2017-09-18 18:33:07 +0100 | [diff] [blame] | 77 | }; |
| 78 | } // namespace arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 79 | #endif /* ARM_COMPUTE_OFFSETMEMORYPOOL_H */ |