78dd96d5af
The counter can be enabled by setting the system property called debug.hwui.overdraw to the string "count". If the string is set to "show", overdraw will be highlighted on screen instead of printing out a simple counter. Change-Id: I9a9c970d54bffab43138bbb7682f6c04bc2c40bd
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#ifndef ANDROID_HWUI_TASK_MANAGER_H
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#define ANDROID_HWUI_TASK_MANAGER_H
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#include <utils/Mutex.h>
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#include <utils/String8.h>
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#include <utils/Thread.h>
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#include <utils/Vector.h>
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#include "Signal.h"
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namespace android {
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namespace uirenderer {
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template <typename T>
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class Task;
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class TaskBase;
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template <typename T>
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class TaskProcessor;
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class TaskProcessorBase;
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class TaskManager {
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public:
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TaskManager();
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~TaskManager();
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/**
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* Returns true if this task manager can run tasks,
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* false otherwise. This method will typically return
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* false on a single CPU core device.
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*/
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bool canRunTasks() const;
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/**
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* Stops all allocated threads. Adding tasks will start
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* the threads again as necessary.
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*/
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void stop();
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private:
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template <typename T>
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friend class TaskProcessor;
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template<typename T>
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bool addTask(const sp<Task<T> >& task, const sp<TaskProcessor<T> >& processor) {
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return addTaskBase(sp<TaskBase>(task), sp<TaskProcessorBase>(processor));
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}
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bool addTaskBase(const sp<TaskBase>& task, const sp<TaskProcessorBase>& processor);
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struct TaskWrapper {
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TaskWrapper(): mTask(), mProcessor() { }
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TaskWrapper(const sp<TaskBase>& task, const sp<TaskProcessorBase>& processor):
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mTask(task), mProcessor(processor) {
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}
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sp<TaskBase> mTask;
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sp<TaskProcessorBase> mProcessor;
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};
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class WorkerThread: public Thread {
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public:
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WorkerThread(const String8 name): mSignal(Condition::WAKE_UP_ONE), mName(name) { }
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bool addTask(TaskWrapper task);
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size_t getTaskCount() const;
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void exit();
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private:
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virtual bool threadLoop();
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// Lock for the list of tasks
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mutable Mutex mLock;
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Vector<TaskWrapper> mTasks;
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// Signal used to wake up the thread when a new
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// task is available in the list
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mutable Signal mSignal;
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const String8 mName;
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};
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Vector<sp<WorkerThread> > mThreads;
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};
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_TASK_MANAGER_H
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