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| ** |
| ** Copyright (C) 2008-2012 NVIDIA Corporation. |
| ** Copyright (C) 2019 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of Qt Quick 3D. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
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| ** General Public License version 3 or (at your option) any later version |
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| ****************************************************************************/ |
| |
| #ifndef QSSGPERFTIMER_H |
| #define QSSGPERFTIMER_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuick3DUtils/private/qtquick3dutilsglobal_p.h> |
| |
| #include <QtCore/QVector> |
| #include <QtCore/qmutex.h> |
| #include <QtCore/qhash.h> |
| #include <QtCore/qelapsedtimer.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct QSSGTimerEntry; |
| |
| class Q_QUICK3DUTILS_EXPORT QSSGPerfTimer |
| { |
| Q_DISABLE_COPY(QSSGPerfTimer) |
| |
| public: |
| struct Key { |
| const char *id; |
| }; |
| |
| struct Entry { |
| Entry(const QString &id) |
| : tag(id) |
| {} |
| Entry() = default; |
| |
| void update(qint64 elapsed); |
| void reset(); |
| QString toString(quint32 nFrames) const; |
| |
| quint32 count = 0; |
| qint64 totalTime = 0; |
| qint64 maxTime = 0; |
| QString tag; |
| }; |
| |
| private: |
| bool m_isEnabled = false; |
| int frameCount = 0; |
| QMutex mutex; |
| QHash<Key, Entry> entries; |
| |
| public: |
| QSSGPerfTimer(); |
| ~QSSGPerfTimer(); |
| |
| // amount is in counter frequency units |
| void update(const char *inTag, qint64 inAmount); |
| |
| // Dump current summation of timer data. |
| void dump(); |
| void reset(); |
| |
| int newFrame() { return ++frameCount; } |
| |
| void setEnabled(bool b) { m_isEnabled = b; } |
| bool isEnabled() const { return m_isEnabled; } |
| }; |
| |
| struct QSSGStackPerfTimer |
| { |
| QSSGPerfTimer *m_timer; |
| QElapsedTimer elapsedTimer; |
| const char *m_id; |
| |
| QSSGStackPerfTimer(QSSGPerfTimer *timer, const char *inId) |
| : m_timer(timer), m_id(inId) |
| { |
| if (timer->isEnabled()) |
| elapsedTimer.start(); |
| } |
| |
| ~QSSGStackPerfTimer() |
| { |
| if (m_timer->isEnabled()) { |
| qint64 elapsed = elapsedTimer.nsecsElapsed(); |
| m_timer->update(m_id, elapsed); |
| } |
| } |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSSGPERFTIMER_H |