cb60e1c14b
- Defines a schema for configuring delegates - Defines a C++ plugin mechanism using the schema, so that code can support configuring arbitrary delegates without a build-time dependency PiperOrigin-RevId: 316678829 Change-Id: I36ce8a6175b550d83dfe9cf1f237a04173fb8b16
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/lite/experimental/acceleration/configuration/delegate_registry.h"
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#include "absl/synchronization/mutex.h"
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namespace tflite {
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namespace delegates {
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void DelegatePluginRegistry::RegisterImpl(
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const std::string& name,
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std::function<
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std::unique_ptr<DelegatePluginInterface>(const TFLiteSettings&)>
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creator_function) {
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absl::MutexLock lock(&mutex_);
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factories_[name] = creator_function;
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}
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std::unique_ptr<DelegatePluginInterface> DelegatePluginRegistry::CreateImpl(
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const std::string& name, const TFLiteSettings& settings) {
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absl::MutexLock lock(&mutex_);
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auto it = factories_.find(name);
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if (it != factories_.end()) {
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return it->second(settings);
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} else {
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return nullptr;
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}
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}
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DelegatePluginRegistry* DelegatePluginRegistry::GetSingleton() {
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static auto* instance = new DelegatePluginRegistry();
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return instance;
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}
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std::unique_ptr<DelegatePluginInterface> DelegatePluginRegistry::CreateByName(
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const std::string& name, const TFLiteSettings& settings) {
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auto* const instance = DelegatePluginRegistry::GetSingleton();
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return instance->CreateImpl(name, settings);
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}
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DelegatePluginRegistry::Register::Register(const std::string& name,
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CreatorFunction creator_function) {
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auto* const instance = DelegatePluginRegistry::GetSingleton();
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instance->RegisterImpl(name, creator_function);
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}
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} // namespace delegates
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} // namespace tflite
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