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qtbase-opensource-src/tests/benchmarks/opengl/main.cpp

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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include <QtOpenGL>
#include <QtCore/QElapsedTimer>
#include <qtest.h>
#include <private/qpaintengine_opengl_p.h>
class OpenGLBench : public QObject
{
Q_OBJECT
private slots:
void initTestCase();
void cleanupTestCase();
void imageDrawing_data();
void imageDrawing();
void pathDrawing_data();
void pathDrawing();
void painterOverhead();
void startupCost_data();
void startupCost();
void lineDrawing();
void textDrawing_data();
void textDrawing();
void clippedPainting_data();
void clippedPainting();
void gradients_data();
void gradients();
void textureUpload_data();
void textureUpload();
private:
QGLPixelBuffer *pb;
};
void OpenGLBench::initTestCase()
{
pb = new QGLPixelBuffer(512, 512);
QPainter p(pb);
p.setRenderHint(QPainter::Antialiasing);
p.drawImage(0, 0, QImage(256, 256, QImage::Format_ARGB32_Premultiplied));
}
void OpenGLBench::cleanupTestCase()
{
delete pb;
}
void OpenGLBench::imageDrawing_data()
{
QTest::addColumn<bool>("smoothPixmapTransform");
QTest::addColumn<bool>("highQualityAntialiasing");
QTest::addColumn<bool>("pixmap");
for (int i = 0; i < (1 << 3); ++i) {
bool smoothPixmapTransform = i & 1;
bool highQualityAntialiasing = i & 2;
bool pixmap = i & 4;
QTest::newRow(QString("pixmap=%1 highQualityAntialiasing=%2 smoothPixmapTransform=%3")
.arg(pixmap).arg(highQualityAntialiasing).arg(smoothPixmapTransform).toLatin1().data())
<< pixmap << highQualityAntialiasing << smoothPixmapTransform;
}
}
void OpenGLBench::imageDrawing()
{
QFETCH(bool, smoothPixmapTransform);
QFETCH(bool, highQualityAntialiasing);
QFETCH(bool, pixmap);
QImage img;
QPixmap pm;
if (pixmap)
pm = QPixmap(800, 800);
else
img = QImage(800, 800, QImage::Format_ARGB32_Premultiplied);
QPainter p(pb);
p.setRenderHint(QPainter::SmoothPixmapTransform, smoothPixmapTransform);
p.setRenderHint(QPainter::Antialiasing, highQualityAntialiasing);
QBENCHMARK {
if (pixmap) {
pm.detach();
p.drawPixmap(0, 0, pm);
} else {
img.detach();
p.drawImage(0, 0, img);
}
}
}
Q_DECLARE_METATYPE(QPainterPath)
void OpenGLBench::pathDrawing_data()
{
QTest::addColumn<QPainterPath>("path");
QTest::addColumn<bool>("highQualityAntialiasing");
QList<QPair<QPainterPath, QLatin1String> > paths;
{
QPainterPath path;
path.addRect(-100, -100, 200, 200);
paths << qMakePair(path, QLatin1String("plain rect"));
}
{
QPainterPath path;
path.addRoundedRect(-100, -100, 200, 200, 50, 50);
paths << qMakePair(path, QLatin1String("rounded rect"));
}
{
QPainterPath path;
path.addEllipse(-100, -100, 200, 200);
paths << qMakePair(path, QLatin1String("ellipse"));
}
for (int j = 0; j < (1 << 1); ++j) {
bool highQualityAntialiasing = j & 1;
for (int i = 0; i < paths.size(); ++i) {
QTest::newRow(QString("path=%1 highQualityAntialiasing=%2")
.arg(paths[i].second).arg(highQualityAntialiasing).toLatin1().data())
<< paths[i].first << highQualityAntialiasing;
}
}
}
void OpenGLBench::pathDrawing()
{
QFETCH(QPainterPath, path);
QFETCH(bool, highQualityAntialiasing);
// warm-up
{
QPainterPath dummy;
dummy.addRect(-1, -1, 2, 2);
QPainter p(pb);
p.setRenderHint(QPainter::Antialiasing, highQualityAntialiasing);
p.translate(pb->width() / 2, pb->height() / 2);
p.rotate(30);
p.drawPath(dummy);
p.end();
}
QPainter p(pb);
p.setPen(Qt::NoPen);
p.setBrush(Qt::black);
p.translate(pb->width() / 2, pb->height() / 2);
QBENCHMARK {
p.setRenderHint(QPainter::Antialiasing, highQualityAntialiasing);
p.rotate(0.01);
p.drawPath(path);
}
}
void OpenGLBench::painterOverhead()
{
QBENCHMARK {
QPainter p(pb);
}
}
void OpenGLBench::startupCost_data()
{
QTest::addColumn<bool>("highQualityAntialiasing");
QTest::newRow("highQualityAntialiasing=0") << false;
QTest::newRow("highQualityAntialiasing=1") << true;
}
void OpenGLBench::startupCost()
{
QFETCH(bool, highQualityAntialiasing);
QPainterPath path;
path.addRoundedRect(-100, -100, 200, 200, 20, 20);
QBENCHMARK {
QGLPixelBuffer buffer(512, 512);
QPainter p(&buffer);
p.setRenderHint(QPainter::Antialiasing, highQualityAntialiasing);
p.translate(buffer.width() / 2, buffer.height() / 2);
p.drawPath(path);
}
}
void OpenGLBench::lineDrawing()
{
QPainter p(pb);
QBENCHMARK {
p.drawLine(10, 10, 500, 500);
}
}
void OpenGLBench::textDrawing_data()
{
QTest::addColumn<int>("lines");
int lines[] = { 1, 2, 4, 8, 16, 32, 64, 128 };
QTest::newRow("text lines=1 (warmup run)") << 1;
for (unsigned int i = 0; i < sizeof(lines) / sizeof(int); ++i)
QTest::newRow(QString("text lines=%0").arg(lines[i]).toLatin1().data()) << lines[i];
}
void OpenGLBench::textDrawing()
{
QPainter p(pb);
QFETCH(int, lines);
p.translate(0, 16);
QBENCHMARK {
for (int i = 0; i < lines; ++i)
p.drawText(0, i, "Hello World!");
}
}
void OpenGLBench::clippedPainting_data()
{
QTest::addColumn<QPainterPath>("path");
QRectF rect = QRectF(0, 0, pb->width(), pb->height()).adjusted(5, 5, -5, -5);
{
QPainterPath path;
path.addRect(rect);
QTest::newRow("rect path") << path;
}
{
QPainterPath path;
path.addRoundedRect(rect, 5, 5);
QTest::newRow("rounded rect path") << path;
}
{
QPainterPath path;
path.addEllipse(rect);
QTest::newRow("ellipse path") << path;
}
}
void OpenGLBench::clippedPainting()
{
QFETCH(QPainterPath, path);
QBENCHMARK {
QPainter p(pb);
p.setPen(Qt::NoPen);
p.setBrush(Qt::black);
p.setClipPath(path);
p.drawRect(0, 0, pb->width(), pb->height());
}
}
Q_DECLARE_METATYPE(QGradient::Type)
void OpenGLBench::gradients_data()
{
QTest::addColumn<QGradient::Type>("gradientType");
QTest::addColumn<bool>("objectBoundingMode");
QTest::newRow("warmup run") << QGradient::LinearGradient << false;
QTest::newRow("linear gradient") << QGradient::LinearGradient << false;
QTest::newRow("radial gradient") << QGradient::RadialGradient << false;
QTest::newRow("conical gradient") << QGradient::ConicalGradient << false;
QTest::newRow("linear gradient, object bounding mode") << QGradient::LinearGradient << true;
QTest::newRow("radial gradient, object bounding mode") << QGradient::RadialGradient << true;
QTest::newRow("conical gradient, object bounding mode") << QGradient::ConicalGradient << true;
}
void OpenGLBench::gradients()
{
QFETCH(QGradient::Type, gradientType);
QFETCH(bool, objectBoundingMode);
QPointF a;
QPointF b = objectBoundingMode ? QPointF(1, 1) : QPointF(pb->width(), pb->height());
QGradient gradient;
switch (gradientType) {
case QGradient::LinearGradient:
gradient = QLinearGradient(a, b);
break;
case QGradient::RadialGradient:
gradient = QRadialGradient(a, b.x() / 2, b);
break;
case QGradient::ConicalGradient:
gradient = QConicalGradient((a + b)/2, 0);
break;
default:
break;
}
if (objectBoundingMode)
gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
gradient.setColorAt(0, Qt::red);
gradient.setColorAt(0.2, Qt::blue);
gradient.setColorAt(0.4, Qt::transparent);
gradient.setColorAt(0.6, Qt::green);
gradient.setColorAt(0.8, Qt::black);
gradient.setColorAt(1, Qt::white);
QPainter p(pb);
QBENCHMARK {
p.fillRect(0, 0, pb->width(), pb->height(), gradient);
glFinish();
}
}
void OpenGLBench::textureUpload_data()
{
QTest::addColumn<int>("size");
QTest::addColumn<int>("flags");
QTest::addColumn<int>("format");
int sizes[] = { 8, 10, 16, 20, 32, 50, 64, 100, 128, 200, 256, 500, 512, 1000, 1024, 2000, 2048, -1 };
int flags[] = { QGLContext::InternalBindOption,
QGLContext::DefaultBindOption,
-1 };
int formats[] = { GL_RGB, GL_RGBA, -1 };
for (int s = 0; sizes[s] != -1; ++s) {
for (int f = 0; flags[f] != -1; ++f) {
for (int a = 0; formats[a] != -1; ++a) {
QByteArray name;
name.append("size=").append(QByteArray::number(sizes[s]));
name.append(", flags=").append(f == 0 ? "internal" : "default");
name.append(", format=").append(a == 0 ? "RGB" : "RGBA");
QTest::newRow(name.constData()) << sizes[s] << flags[f] << formats[a];
}
}
}
}
void OpenGLBench::textureUpload()
{
QFETCH(int, size);
QFETCH(int, flags);
QFETCH(int, format);
QPixmap pixmap(size, size);
if (format == GL_RGB)
pixmap.fill(Qt::red);
else
pixmap.fill(Qt::transparent);
pb->makeCurrent();
QGLContext *context = const_cast<QGLContext *>(QGLContext::currentContext());
QElapsedTimer time;
time.start();
context->bindTexture(pixmap, GL_TEXTURE_2D, format, (QGLContext::BindOptions) flags);
QTest::setBenchmarkResult(time.elapsed(), QTest::WalltimeMilliseconds);
}
QTEST_MAIN(OpenGLBench)
#include "main.moc"
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