Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 Arm Limited. |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +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_IALLOCATOR_H |
| 25 | #define ARM_COMPUTE_IALLOCATOR_H |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 26 | |
Georgios Pinitas | 99d4095 | 2018-04-23 16:26:46 +0100 | [diff] [blame] | 27 | #include "arm_compute/runtime/IMemoryRegion.h" |
| 28 | |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 29 | #include <cstddef> |
Georgios Pinitas | 99d4095 | 2018-04-23 16:26:46 +0100 | [diff] [blame] | 30 | #include <memory> |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | /** Allocator interface */ |
| 35 | class IAllocator |
| 36 | { |
| 37 | public: |
| 38 | /** Default virtual destructor. */ |
| 39 | virtual ~IAllocator() = default; |
Georgios Pinitas | 99d4095 | 2018-04-23 16:26:46 +0100 | [diff] [blame] | 40 | // TODO (COMPMID-1088) : Change allocator and rest interfaces to use IMemoryRegion |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 41 | /** Interface to be implemented by the child class to allocate bytes |
| 42 | * |
| 43 | * @param[in] size Size to allocate |
| 44 | * @param[in] alignment Alignment that the returned pointer should comply with |
| 45 | * |
| 46 | * @return A pointer to the allocated memory |
| 47 | */ |
| 48 | virtual void *allocate(size_t size, size_t alignment) = 0; |
| 49 | /** Interface to be implemented by the child class to free the allocated tensor */ |
| 50 | virtual void free(void *ptr) = 0; |
Georgios Pinitas | 99d4095 | 2018-04-23 16:26:46 +0100 | [diff] [blame] | 51 | /** Create self-managed memory region |
| 52 | * |
| 53 | * @param[in] size Size of the memory region |
| 54 | * @param[in] alignment Alignment of the memory region |
| 55 | * |
| 56 | * @return The memory region object |
| 57 | */ |
| 58 | virtual std::unique_ptr<IMemoryRegion> make_region(size_t size, size_t alignment) = 0; |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 59 | }; |
| 60 | } // arm_compute |
Michalis Spyrou | f464337 | 2019-11-29 16:17:13 +0000 | [diff] [blame] | 61 | #endif /*ARM_COMPUTE_IALLOCATOR_H */ |