/* Copyright 2021 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
#ifndef TENSORFLOW_LITE_ACCELERATION_CONFIGURATION_DELEGATE_PLUGIN_CONVERTER_H_
#define TENSORFLOW_LITE_ACCELERATION_CONFIGURATION_DELEGATE_PLUGIN_CONVERTER_H_

#include <functional>
#include <memory>

#include "tensorflow/lite/acceleration/configuration/c/delegate_plugin.h"
#include "tensorflow/lite/acceleration/configuration/delegate_registry.h"

namespace tflite {
namespace delegates {

// Converts from the C delegate plugin API to the C++ delegate plugin API.
// Given an instance of the (C) TfLiteOpaqueDelegatePlugin struct, this returns
// a function that takes a TFLiteSettings FlatBuffer and returns a unique_ptr to
// an instance of the (C++) DelegatePluginInterface abstract class.
std::function<std::unique_ptr<tflite::delegates::DelegatePluginInterface>(
    const ::tflite::TFLiteSettings&)>
DelegatePluginConverter(const TfLiteOpaqueDelegatePlugin& plugin_c_api);

}  // namespace delegates
}  // namespace tflite

#endif  // TENSORFLOW_LITE_ACCELERATION_CONFIGURATION_DELEGATE_PLUGIN_CONVERTER_H_
