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// Copyright 2021 The Dawn Authors
//
// 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 DAWNNATIVE_CALLBACK_TASK_MANAGER_H_
#define DAWNNATIVE_CALLBACK_TASK_MANAGER_H_
#include <memory>
#include <mutex>
#include <vector>
namespace dawn_native {
struct CallbackTask {
public:
virtual ~CallbackTask() = default;
virtual void Finish() = 0;
virtual void HandleShutDown() = 0;
virtual void HandleDeviceLoss() = 0;
};
class CallbackTaskManager {
public:
void AddCallbackTask(std::unique_ptr<CallbackTask> callbackTask);
bool IsEmpty();
std::vector<std::unique_ptr<CallbackTask>> AcquireCallbackTasks();
private:
std::mutex mCallbackTaskQueueMutex;
std::vector<std::unique_ptr<CallbackTask>> mCallbackTaskQueue;
};
} // namespace dawn_native
#endif