David Beck | 32cbb0c | 2018-10-09 15:46:08 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | #pragma once |
| 6 | |
Aron Virginas-Tar | c9cc804 | 2018-11-01 16:15:57 +0000 | [diff] [blame] | 7 | #include <armnn/Types.hpp> |
David Beck | 111b5d9 | 2018-11-12 14:59:37 +0000 | [diff] [blame] | 8 | #include <armnn/BackendId.hpp> |
| 9 | |
| 10 | #include <memory> |
| 11 | #include <unordered_map> |
jimfly01 | 07bb521 | 2018-11-14 14:52:40 +0000 | [diff] [blame] | 12 | #include <functional> |
David Beck | 32cbb0c | 2018-10-09 15:46:08 +0100 | [diff] [blame] | 13 | |
| 14 | namespace armnn |
| 15 | { |
David Beck | 111b5d9 | 2018-11-12 14:59:37 +0000 | [diff] [blame] | 16 | |
David Beck | 1b61be5 | 2018-11-08 09:19:14 +0000 | [diff] [blame] | 17 | class IBackendInternal; |
| 18 | using IBackendInternalUniquePtr = std::unique_ptr<IBackendInternal>; |
David Beck | 111b5d9 | 2018-11-12 14:59:37 +0000 | [diff] [blame] | 19 | |
| 20 | class BackendRegistry |
| 21 | { |
| 22 | public: |
| 23 | using PointerType = IBackendInternalUniquePtr; |
| 24 | using FactoryFunction = std::function<PointerType()>; |
| 25 | |
| 26 | void Register(const BackendId& id, FactoryFunction factory); |
| 27 | bool IsBackendRegistered(const BackendId& id) const; |
| 28 | FactoryFunction GetFactory(const BackendId& id) const; |
| 29 | size_t Size() const; |
| 30 | BackendIdSet GetBackendIds() const; |
| 31 | std::string GetBackendIdsAsString() const; |
| 32 | |
| 33 | BackendRegistry() {} |
| 34 | virtual ~BackendRegistry() {} |
| 35 | |
| 36 | struct StaticRegistryInitializer |
| 37 | { |
| 38 | StaticRegistryInitializer(BackendRegistry& instance, |
| 39 | const BackendId& id, |
| 40 | FactoryFunction factory) |
| 41 | { |
| 42 | instance.Register(id, factory); |
| 43 | } |
| 44 | }; |
| 45 | |
| 46 | protected: |
| 47 | using FactoryStorage = std::unordered_map<BackendId, FactoryFunction>; |
| 48 | |
| 49 | // For testing only |
| 50 | static void Swap(BackendRegistry& instance, FactoryStorage& other); |
| 51 | |
| 52 | private: |
| 53 | BackendRegistry(const BackendRegistry&) = delete; |
| 54 | BackendRegistry& operator=(const BackendRegistry&) = delete; |
| 55 | |
| 56 | FactoryStorage m_Factories; |
| 57 | }; |
David Beck | 32cbb0c | 2018-10-09 15:46:08 +0100 | [diff] [blame] | 58 | |
David Beck | 3e9e115 | 2018-10-17 14:17:50 +0100 | [diff] [blame] | 59 | BackendRegistry& BackendRegistryInstance(); |
| 60 | |
jimfly01 | 07bb521 | 2018-11-14 14:52:40 +0000 | [diff] [blame] | 61 | } // namespace armnn |