| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt3D module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QT3DCORE_QTHREADPOOLER_H |
| #define QT3DCORE_QTHREADPOOLER_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/QFuture> |
| #include <QtCore/QFutureInterface> |
| #include <QtCore/QObject> |
| #include <QtCore/QSharedPointer> |
| #include <QtCore/QThreadPool> |
| |
| #include <Qt3DCore/private/qaspectjob_p.h> |
| #include <Qt3DCore/private/task_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DCore { |
| |
| class Q_3DCORE_PRIVATE_EXPORT QThreadPooler : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| explicit QThreadPooler(QObject *parent = nullptr); |
| ~QThreadPooler(); |
| |
| QFuture<void> mapDependables(QVector<RunnableInterface *> &taskQueue); |
| int waitForAllJobs(); |
| void taskFinished(RunnableInterface *task); |
| QFuture<void> future(); |
| |
| static int maxThreadCount(); |
| |
| private: |
| void enqueueTasks(const QVector<RunnableInterface *> &tasks); |
| void skipTask(RunnableInterface *task); |
| void enqueueDepencies(RunnableInterface *task); |
| void acquire(int add); |
| void release(); |
| int currentCount() const; |
| |
| private: |
| QFutureInterface<void> *m_futureInterface; |
| QMutex m_mutex; |
| QAtomicInt m_taskCount; |
| QThreadPool *m_threadPool; |
| int m_totalRunJobs; |
| }; |
| |
| } // namespace Qt3DCore |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT3DCORE_QTHREADPOOLER_H |