+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the tools applications of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtGui/QPainter>
-#include <QtWidgets/QWidget>
-#include <QtWidgets/QApplication>
-#include <QtCore/QtDebug>
-#include <QtCore/QTime>
-#include <QtCore/QTimer>
-#include <QtCore/qmath.h>
-
-#include <private/qpaintengineex_p.h>
-#include <private/qpaintbuffer_p.h>
-
-class ReplayWidget : public QWidget
-{
- Q_OBJECT
-public:
- ReplayWidget(const QString &filename, int from, int to, bool single, int frame);
-
- void paintEvent(QPaintEvent *event);
- void resizeEvent(QResizeEvent *event);
-
-public slots:
- void updateRect();
-
-public:
- QList<QRegion> updates;
- QPaintBuffer buffer;
-
- int currentFrame;
- int currentIteration;
- QTime timer;
-
- QList<uint> visibleUpdates;
-
- QVector<uint> iterationTimes;
- QString filename;
-
- int from;
- int to;
-
- bool single;
-
- int frame;
- int currentCommand;
-};
-
-void ReplayWidget::updateRect()
-{
- if (frame >= 0 && !updates.isEmpty())
- update(updates.at(frame));
- else if (!visibleUpdates.isEmpty())
- update(updates.at(visibleUpdates.at(currentFrame)));
-}
-
-const int singleFrameRepeatsPerCommand = 100;
-const int singleFrameIterations = 4;
-
-void ReplayWidget::paintEvent(QPaintEvent *)
-{
- QPainter p(this);
-
- QTimer::singleShot(0, this, SLOT(updateRect()));
-
-// p.setClipRegion(frames.at(currentFrame).updateRegion);
-
- if (frame >= 0) {
- int start = buffer.frameStartIndex(frame);
- int end = buffer.frameEndIndex(frame);
-
- iterationTimes.resize(end - start);
-
- int saveRestoreStackDepth = buffer.processCommands(&p, start, start + currentCommand);
-
- for (int i = 0; i < saveRestoreStackDepth; ++i)
- p.restore();
-
- const int repeats = currentIteration >= 3 ? singleFrameRepeatsPerCommand : 1;
-
- ++currentFrame;
- if (currentFrame == repeats) {
- currentFrame = 0;
- if (currentIteration >= 3) {
- iterationTimes[currentCommand - 1] = qMin(iterationTimes[currentCommand - 1], uint(timer.elapsed()));
- timer.restart();
- }
-
- if (currentIteration >= singleFrameIterations + 3) {
- printf(" # | ms | description\n");
- printf("------+---------+------------------------------------------------------------\n");
-
- qSort(iterationTimes);
-
- int sum = 0;
- for (int i = 0; i < iterationTimes.size(); ++i) {
- int delta = iterationTimes.at(i);
- if (i > 0)
- delta -= iterationTimes.at(i-1);
- sum += delta;
- qreal deltaF = delta / qreal(repeats);
- printf("%.5d | %.5f | %s\n", i, deltaF, qPrintable(buffer.commandDescription(start + i)));
- }
- printf("Total | %.5f | Total frame time\n", sum / qreal(repeats));
- deleteLater();
- return;
- }
-
- if (start + currentCommand >= end) {
- currentCommand = 1;
- ++currentIteration;
- if (currentIteration == 3) {
- timer.start();
- iterationTimes.fill(uint(-1));
- }
- if (currentIteration >= 3 && currentIteration < singleFrameIterations + 3)
- printf("Profiling iteration %d of %d\n", currentIteration - 2, singleFrameIterations);
- } else {
- ++currentCommand;
- }
- }
-
- return;
- }
-
- buffer.draw(&p, visibleUpdates.at(currentFrame));
-
- ++currentFrame;
- if (currentFrame >= visibleUpdates.size()) {
- currentFrame = 0;
- ++currentIteration;
-
- if (single) {
- deleteLater();
- return;
- }
-
- if (currentIteration == 3)
- timer.start();
- else if (currentIteration > 3) {
- iterationTimes << timer.elapsed();
- timer.restart();
-
- if (iterationTimes.size() >= 3) {
- qreal mean = 0;
- qreal stddev = 0;
- uint min = INT_MAX;
-
- for (int i = 0; i < iterationTimes.size(); ++i) {
- mean += iterationTimes.at(i);
- min = qMin(min, iterationTimes.at(i));
- }
-
- mean /= qreal(iterationTimes.size());
-
- for (int i = 0; i < iterationTimes.size(); ++i) {
- qreal delta = iterationTimes.at(i) - mean;
- stddev += delta * delta;
- }
-
- stddev = qSqrt(stddev / iterationTimes.size());
-
- qSort(iterationTimes.begin(), iterationTimes.end());
- uint median = iterationTimes.at(iterationTimes.size() / 2);
-
- stddev = 100 * stddev / mean;
-
- if (iterationTimes.size() >= 10 || stddev < 4) {
- printf("%s, iterations: %d, frames: %d, min(ms): %d, median(ms): %d, stddev: %f %%, max(fps): %f\n", qPrintable(filename),
- iterationTimes.size(), visibleUpdates.size(), min, median, stddev, 1000. * visibleUpdates.size() / min);
- deleteLater();
- return;
- }
- }
- }
- }
-}
-
-void ReplayWidget::resizeEvent(QResizeEvent *)
-{
- visibleUpdates.clear();
-
- QRect bounds = rect();
-
- int first = qMax(0, from);
- int last = qMin(unsigned(to), unsigned(updates.size()));
- for (int i = first; i < last; ++i) {
- if (updates.at(i).intersects(bounds))
- visibleUpdates << i;
- }
-
- int range = last - first;
-
- if (visibleUpdates.size() != range)
- printf("Warning: skipped %d frames due to limited resolution\n", range - visibleUpdates.size());
-
-}
-
-ReplayWidget::ReplayWidget(const QString &filename_, int from_, int to_, bool single_, int frame_)
- : currentFrame(0)
- , currentIteration(0)
- , filename(filename_)
- , from(from_)
- , to(to_)
- , single(single_)
- , frame(frame_)
- , currentCommand(1)
-{
- setWindowTitle(filename);
- QFile file(filename);
-
- if (!file.open(QIODevice::ReadOnly)) {
- printf("Failed to load input file '%s'\n", qPrintable(filename_));
- return;
- }
-
- QDataStream in(&file);
-
- char *data;
- uint size;
- in.readBytes(data, size);
- bool isTraceFile = size >= 7 && qstrncmp(data, "qttrace", 7) == 0;
-
- uint version = 0;
- if (size == 9 && qstrncmp(data, "qttraceV2", 9) == 0) {
- in.setFloatingPointPrecision(QDataStream::SinglePrecision);
- in >> version;
- }
-
- if (!isTraceFile) {
- printf("File '%s' is not a trace file\n", qPrintable(filename_));
- return;
- }
-
- in >> buffer >> updates;
- printf("Read paint buffer version %d with %d frames\n", version, buffer.numFrames());
-
- resize(buffer.boundingRect().size().toSize());
-
- setAutoFillBackground(false);
- setAttribute(Qt::WA_NoSystemBackground);
-
- QTimer::singleShot(10, this, SLOT(updateRect()));
-}
-
-int main(int argc, char **argv)
-{
- QApplication app(argc, argv);
-
- if (argc <= 1 || qstrcmp(argv[1], "-h") == 0 || qstrcmp(argv[1], "--help") == 0) {
- printf("Replays a tracefile generated with '-graphicssystem trace'\n");
- printf("Usage:\n > %s [OPTIONS] [traceFile]\n", argv[0]);
- printf("OPTIONS\n"
- " --range=from-to to specify a frame range.\n"
- " --singlerun to do only one run (without statistics)\n"
- " --instrumentframe=frame to instrument a single frame\n");
- return 1;
- }
-
- QFile file(app.arguments().last());
- if (!file.exists()) {
- printf("%s does not exist\n", qPrintable(app.arguments().last()));
- return 1;
- }
-
- bool single = false;
-
- int frame = -1;
-
- int from = 0;
- int to = -1;
- for (int i = 1; i < app.arguments().size() - 1; ++i) {
- QString arg = app.arguments().at(i);
- if (arg.startsWith(QLatin1String("--range="))) {
- QString rest = arg.mid(8);
- QStringList components = rest.split(QLatin1Char('-'));
-
- bool ok1 = false;
- bool ok2 = false;
- int fromCandidate = 0;
- int toCandidate = 0;
- if (components.size() == 2) {
- fromCandidate = components.first().toInt(&ok1);
- toCandidate = components.last().toInt(&ok2);
- }
-
- if (ok1 && ok2) {
- from = fromCandidate;
- to = toCandidate;
- } else {
- printf("ERROR: malformed syntax in argument %s\n", qPrintable(arg));
- }
- } else if (arg == QLatin1String("--singlerun")) {
- single = true;
- } else if (arg.startsWith(QLatin1String("--instrumentframe="))) {
- QString rest = arg.mid(18);
- bool ok = false;
- int frameCandidate = rest.toInt(&ok);
- if (ok) {
- frame = frameCandidate;
- } else {
- printf("ERROR: malformed syntax in argument %s\n", qPrintable(arg));
- }
- } else {
- printf("Unrecognized argument: %s\n", qPrintable(arg));
- return 1;
- }
- }
-
- ReplayWidget *widget = new ReplayWidget(app.arguments().last(), from, to, single, frame);
-
- if (!widget->updates.isEmpty()) {
- widget->show();
- return app.exec();
- }
-
-}
-#include "main.moc"
projects / platform / upstream / qttools.git / commitdiff