android13/packages/services/Car/cpp/computepipe/runner/engine/include/RunnerEngine.h

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// Copyright (C) 2019 The Android Open Source Project
//
// 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 COMPUTEPIPE_RUNNER_ENGINE_H
#define COMPUTEPIPE_RUNNER_ENGINE_H
#include <memory>
#include <string>
#include "ClientInterface.h"
#include "PrebuiltGraph.h"
#include "types/Status.h"
namespace android {
namespace automotive {
namespace computepipe {
namespace runner {
namespace engine {
/**
* Class that offers an interface into an engine. It derives from the client,
* prebuilt -> engine interfaces to enforce that any instantiation of an engine
* needs to provide an implementation for those interfaces.
*/
class RunnerEngine : public client_interface::ClientEngineInterface,
public graph::PrebuiltEngineInterface {
public:
/**
* Any args that a given engine instance needs in order to configure itself.
*/
virtual Status setArgs(std::string engine_args) = 0;
/**
* Set the client and the prebuilt graph instances
*/
virtual void setClientInterface(std::unique_ptr<client_interface::ClientInterface>&& client) = 0;
virtual void setPrebuiltGraph(std::unique_ptr<graph::PrebuiltGraph>&& graph) = 0;
/**
* Activates the client interface and advertises to the rest of the world
* that the runner is online
*/
virtual Status activate() = 0;
};
class RunnerEngineFactory {
public:
static constexpr char kDefault[] = "default_engine";
std::unique_ptr<RunnerEngine> createRunnerEngine(std::string engine, std::string engine_args);
RunnerEngineFactory(const RunnerEngineFactory&) = delete;
RunnerEngineFactory& operator=(const RunnerEngineFactory&) = delete;
RunnerEngineFactory() = default;
};
} // namespace engine
} // namespace runner
} // namespace computepipe
} // namespace automotive
} // namespace android
#endif