chromium/third_party/tflite/src/tensorflow/lite/tools/delegates/delegate_provider.h

/* Copyright 2020 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_TOOLS_DELEGATES_DELEGATE_PROVIDER_H_
#define TENSORFLOW_LITE_TOOLS_DELEGATES_DELEGATE_PROVIDER_H_

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "tensorflow/lite/c/common.h"
#include "tensorflow/lite/tools/command_line_flags.h"
#include "tensorflow/lite/tools/logging.h"
#include "tensorflow/lite/tools/tool_params.h"

namespace tflite {
namespace tools {

// Same w/ Interpreter::TfLiteDelegatePtr to avoid pulling
// tensorflow/lite/interpreter.h dependency
TfLiteDelegatePtr;

class DelegateProvider { … };

DelegateProviderPtr;
DelegateProviderList;

class DelegateProviderRegistrar { … };

#define REGISTER_DELEGATE_PROVIDER_VNAME(T) …
#define REGISTER_DELEGATE_PROVIDER(T) …

// Creates a null delegate, useful for cases where no reasonable delegate can be
// created.
TfLiteDelegatePtr CreateNullDelegate();

// A global helper function to get all registered delegate providers.
inline const DelegateProviderList& GetRegisteredDelegateProviders() { … }

// A helper class to create a list of TfLite delegates based on the provided
// ToolParams and the global DelegateProviderRegistrar.
class ProvidedDelegateList { … };
}  // namespace tools
}  // namespace tflite

#endif  // TENSORFLOW_LITE_TOOLS_DELEGATES_DELEGATE_PROVIDER_H_