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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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| ** GNU General Public License Usage |
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| ** General Public License version 3 or (at your option) any later version |
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| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
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| ****************************************************************************/ |
| |
| #include "qssgperftimer_p.h" |
| |
| #include <QtCore/QMutex> |
| #include <QtCore/QMutexLocker> |
| #include <QtCore/QHash> |
| #include <QtCore/QVector> |
| |
| #include <private/qssgutils_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| static uint qHash(const QSSGPerfTimer::Key &key) |
| { |
| const uchar *s = reinterpret_cast<const uchar *>(key.id); |
| uint h = 0; |
| while (*s) { |
| h = 31 * h + *s; |
| ++s; |
| } |
| return h; |
| } |
| static bool operator==(const QSSGPerfTimer::Key &a, const QSSGPerfTimer::Key &b) { return !strcmp(a.id, b.id); } |
| |
| static bool operator<(const QSSGPerfTimer::Entry &a, const QSSGPerfTimer::Entry &b) { return a.tag < b.tag; } |
| |
| void QSSGPerfTimer::Entry::update(qint64 elapsed) |
| { |
| totalTime += elapsed; |
| maxTime = qMax(maxTime, elapsed); |
| ++count; |
| } |
| |
| void QSSGPerfTimer::Entry::reset() |
| { |
| totalTime = 0; |
| maxTime = 0; |
| count = 0; |
| } |
| |
| QString QSSGPerfTimer::Entry::toString(quint32 inFramesPassed) const |
| { |
| if (!count) |
| return QString(); |
| |
| |
| const double milliseconds = totalTime / 1000000.0; |
| const double maxMilliseconds = maxTime / 1000000.0; |
| if (inFramesPassed == 0) |
| return QString::fromLatin1("%1 - %2ms").arg(tag).arg(milliseconds); |
| |
| return QString::fromLatin1("%1 - %2ms/frame; %3ms max; %4 hits").arg(tag).arg(milliseconds/inFramesPassed).arg(maxMilliseconds).arg(count); |
| } |
| |
| |
| QSSGPerfTimer::QSSGPerfTimer() = default; |
| |
| QSSGPerfTimer::~QSSGPerfTimer() = default; |
| |
| void QSSGPerfTimer::update(const char *inId, qint64 elapsed) |
| { |
| QMutexLocker locker(&mutex); |
| auto it = entries.find(Key{inId}); |
| if (it == entries.end()) |
| it = entries.insert(Key{inId}, Entry(QString::fromUtf8(inId))); |
| it.value().update(elapsed); |
| } |
| |
| void QSSGPerfTimer::dump() |
| { |
| QMutexLocker locker(&mutex); |
| QVector<QSSGPerfTimer::Entry> allEntries; |
| for (auto iter = entries.begin(), end = entries.end(); iter != end; ++iter) { |
| allEntries.push_back(iter.value()); |
| iter.value().reset(); |
| } |
| |
| std::sort(allEntries.begin(), allEntries.end()); |
| |
| qDebug() << "performance data:"; |
| for (const auto &e: qAsConst(allEntries)) |
| qDebug() << " " << e.toString(frameCount).toUtf8().constData(); |
| qDebug() << ""; |
| |
| frameCount = 0; |
| } |
| |
| void QSSGPerfTimer::reset() |
| { |
| QMutexLocker locker(&mutex); |
| auto iter = entries.begin(); |
| const auto end = entries.end(); |
| while (iter != end) { |
| iter.value().reset(); |
| ++iter; |
| } |
| |
| frameCount = 0; |
| } |
| |
| QT_END_NAMESPACE |