38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
783 lines
20 KiB
C++
783 lines
20 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <QtCore/QtCore>
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#include <QtGui/QtGui>
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#include <QtOpenGL/QtOpenGL>
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#include "tst_qglthreads.h"
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#ifdef Q_OS_SYMBIAN
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#include <unistd.h> // for usleep
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#define RUNNING_TIME 2000 // save GPU mem by running shorter time.
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#else
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#define RUNNING_TIME 5000
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#endif
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tst_QGLThreads::tst_QGLThreads(QObject *parent)
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: QObject(parent)
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{
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}
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/*
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swapInThread
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The purpose of this testcase is to verify that it is possible to do rendering into
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a GL context from the GUI thread, then swap the contents in from a background thread.
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The usecase for this is to have the background thread do the waiting for vertical
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sync while the GUI thread is idle.
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Currently the locking is handled directly in the paintEvent(). For the actual usecase
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in Qt, the locking is done in the windowsurface before starting any drawing while
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unlocking is done after all drawing has been done.
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*/
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class SwapThread : public QThread
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{
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Q_OBJECT
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public:
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SwapThread(QGLWidget *widget)
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: m_widget(widget)
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{
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moveToThread(this);
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}
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void run() {
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QTime time;
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time.start();
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while (time.elapsed() < RUNNING_TIME) {
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lock();
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wait();
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m_widget->makeCurrent();
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m_widget->swapBuffers();
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m_widget->doneCurrent();
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unlock();
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}
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}
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void lock() { m_mutex.lock(); }
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void unlock() { m_mutex.unlock(); }
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void wait() { m_wait_condition.wait(&m_mutex); }
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void notify() { m_wait_condition.wakeAll(); }
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private:
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QGLWidget *m_widget;
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QMutex m_mutex;
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QWaitCondition m_wait_condition;
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};
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class ForegroundWidget : public QGLWidget
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{
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public:
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ForegroundWidget(const QGLFormat &format)
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: QGLWidget(format), m_thread(0)
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{
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setAutoBufferSwap(false);
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}
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void paintEvent(QPaintEvent *)
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{
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m_thread->lock();
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makeCurrent();
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QPainter p(this);
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p.fillRect(rect(), QColor(rand() % 256, rand() % 256, rand() % 256));
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p.setPen(Qt::red);
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p.setFont(QFont("SansSerif", 24));
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p.drawText(rect(), Qt::AlignCenter, "This is an autotest");
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p.end();
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doneCurrent();
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m_thread->notify();
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m_thread->unlock();
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update();
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}
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void setThread(SwapThread *thread) {
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m_thread = thread;
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}
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SwapThread *m_thread;
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};
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void tst_QGLThreads::swapInThread()
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{
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#ifdef Q_OS_MAC
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QSKIP("OpenGL threading tests are currently disabled on mac as they were causing reboots", SkipAll);
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#endif
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QGLFormat format;
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format.setSwapInterval(1);
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ForegroundWidget widget(format);
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SwapThread thread(&widget);
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widget.setThread(&thread);
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widget.show();
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QTest::qWaitForWindowShown(&widget);
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thread.start();
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while (thread.isRunning()) {
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qApp->processEvents();
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}
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widget.hide();
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QVERIFY(true);
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}
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/*
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textureUploadInThread
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The purpose of this testcase is to verify that doing texture uploads in a background
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thread is possible and that it works.
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*/
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class CreateAndUploadThread : public QThread
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{
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Q_OBJECT
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public:
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CreateAndUploadThread(QGLWidget *shareWidget)
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{
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m_gl = new QGLWidget(0, shareWidget);
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moveToThread(this);
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}
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~CreateAndUploadThread()
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{
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delete m_gl;
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}
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void run() {
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m_gl->makeCurrent();
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QTime time;
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time.start();
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while (time.elapsed() < RUNNING_TIME) {
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int width = 400;
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int height = 300;
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#ifdef Q_OS_SYMBIAN
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// GPU mem is very scarce resource on Symbian currently.
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// That's why we create only small textures.
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width = 50;
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height = 20;
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#endif
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QImage image(width, height, QImage::Format_RGB32);
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QPainter p(&image);
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p.fillRect(image.rect(), QColor(rand() % 256, rand() % 256, rand() % 256));
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p.setPen(Qt::red);
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p.setFont(QFont("SansSerif", 24));
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p.drawText(image.rect(), Qt::AlignCenter, "This is an autotest");
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p.end();
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m_gl->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, QGLContext::InternalBindOption);
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createdAndUploaded(image);
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}
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}
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signals:
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void createdAndUploaded(const QImage &image);
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private:
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QGLWidget *m_gl;
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};
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class TextureDisplay : public QGLWidget
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{
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Q_OBJECT
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public:
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void paintEvent(QPaintEvent *) {
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QPainter p(this);
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for (int i=0; i<m_images.size(); ++i) {
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p.drawImage(m_positions.at(i), m_images.at(i));
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m_positions[i] += QPoint(1, 1);
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}
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update();
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}
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public slots:
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void receiveImage(const QImage &image) {
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m_images << image;
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m_positions << QPoint(-rand() % width() / 2, -rand() % height() / 2);
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if (m_images.size() > 100) {
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m_images.takeFirst();
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m_positions.takeFirst();
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}
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}
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private:
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QList <QImage> m_images;
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QList <QPoint> m_positions;
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};
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void tst_QGLThreads::textureUploadInThread()
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{
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#ifdef Q_OS_MAC
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QSKIP("OpenGL threading tests are currently disabled on mac as they were causing reboots", SkipAll);
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#endif
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TextureDisplay display;
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CreateAndUploadThread thread(&display);
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connect(&thread, SIGNAL(createdAndUploaded(QImage)), &display, SLOT(receiveImage(QImage)));
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display.show();
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QTest::qWaitForWindowShown(&display);
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thread.start();
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while (thread.isRunning()) {
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qApp->processEvents();
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}
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QVERIFY(true);
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}
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/*
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renderInThread
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This test sets up a scene and renders it in a different thread.
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For simplicity, the scene is simply a bunch of rectangles, but
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if that works, we're in good shape..
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*/
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static inline float qrandom() { return (rand() % 100) / 100.f; }
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void renderAScene(int w, int h)
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{
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#ifdef QT_OPENGL_ES_2
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QGLShaderProgram program;
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program.addShaderFromSourceCode(QGLShader::Vertex, "attribute highp vec2 pos; void main() { gl_Position = vec4(pos.xy, 1.0, 1.0); }");
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program.addShaderFromSourceCode(QGLShader::Fragment, "uniform lowp vec4 color; void main() { gl_FragColor = color; }");
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program.bindAttributeLocation("pos", 0);
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program.bind();
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int colorId = program.uniformLocation("color");
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glEnableVertexAttribArray(0);
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for (int i=0; i<1000; ++i) {
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GLfloat pos[] = {
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(rand() % 100) / 100.,
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(rand() % 100) / 100.,
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(rand() % 100) / 100.,
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(rand() % 100) / 100.,
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(rand() % 100) / 100.,
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(rand() % 100) / 100.
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};
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glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, pos);
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glDrawArrays(GL_TRIANGLE_STRIP, 0, 3);
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}
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#else
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glFrustum(0, w, h, 0, 1, 100);
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glTranslated(0, 0, -1);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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for (int i=0;i<1000; ++i) {
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glBegin(GL_TRIANGLES);
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glColor3f(qrandom(), qrandom(), qrandom());
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glVertex2f(qrandom() * w, qrandom() * h);
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glColor3f(qrandom(), qrandom(), qrandom());
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glVertex2f(qrandom() * w, qrandom() * h);
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glColor3f(qrandom(), qrandom(), qrandom());
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glVertex2f(qrandom() * w, qrandom() * h);
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glEnd();
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}
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#endif
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}
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class ThreadSafeGLWidget : public QGLWidget
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{
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public:
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ThreadSafeGLWidget(QWidget *parent = 0) : QGLWidget(parent) {}
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void paintEvent(QPaintEvent *)
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{
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// ignored as we're anyway swapping as fast as we can
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};
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void resizeEvent(QResizeEvent *e)
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{
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mutex.lock();
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newSize = e->size();
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mutex.unlock();
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};
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QMutex mutex;
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QSize newSize;
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};
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class SceneRenderingThread : public QThread
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{
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Q_OBJECT
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public:
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SceneRenderingThread(ThreadSafeGLWidget *widget)
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: m_widget(widget)
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{
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moveToThread(this);
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m_size = widget->size();
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}
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void run() {
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QTime time;
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time.start();
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failure = false;
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m_widget->makeCurrent();
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while (time.elapsed() < RUNNING_TIME && !failure) {
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m_widget->mutex.lock();
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QSize s = m_widget->newSize;
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m_widget->mutex.unlock();
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if (s != m_size) {
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glViewport(0, 0, s.width(), s.height());
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}
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if (QGLContext::currentContext() != m_widget->context()) {
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failure = true;
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break;
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}
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glClear(GL_COLOR_BUFFER_BIT);
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int w = m_widget->width();
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int h = m_widget->height();
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renderAScene(w, h);
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int color;
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glReadPixels(w / 2, h / 2, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &color);
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m_widget->swapBuffers();
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}
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m_widget->doneCurrent();
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}
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bool failure;
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private:
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ThreadSafeGLWidget *m_widget;
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QSize m_size;
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};
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void tst_QGLThreads::renderInThread_data()
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{
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QTest::addColumn<bool>("resize");
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QTest::addColumn<bool>("update");
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QTest::newRow("basic") << false << false;
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QTest::newRow("with-resize") << true << false;
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QTest::newRow("with-update") << false << true;
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QTest::newRow("with-resize-and-update") << true << true;
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}
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void tst_QGLThreads::renderInThread()
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{
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#ifdef Q_OS_MAC
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QSKIP("OpenGL threading tests are currently disabled on Mac as they were causing reboots", SkipAll);
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#endif
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#ifdef Q_OS_SYMBIAN
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QSKIP("OpenGL threading tests are disabled on Symbian as accessing RWindow from a secondary thread is not supported", SkipAll);
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#endif
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QFETCH(bool, resize);
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QFETCH(bool, update);
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ThreadSafeGLWidget widget;
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widget.resize(200, 200);
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SceneRenderingThread thread(&widget);
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widget.show();
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QTest::qWaitForWindowShown(&widget);
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widget.doneCurrent();
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thread.start();
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int value = 10;
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while (thread.isRunning()) {
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if (resize)
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widget.resize(200 + value, 200 + value);
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if (update)
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widget.update(100 + value, 100 + value, 20, 20);
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qApp->processEvents();
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value = -value;
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#ifdef Q_WS_WIN
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Sleep(100);
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#else
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usleep(100 * 1000);
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#endif
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}
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QVERIFY(!thread.failure);
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}
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class Device
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{
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public:
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virtual ~Device() {}
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virtual QPaintDevice *realPaintDevice() = 0;
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virtual void prepareDevice() {}
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};
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class GLWidgetWrapper : public Device
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{
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public:
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GLWidgetWrapper() {
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widget.resize(150, 150);
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widget.show();
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QTest::qWaitForWindowShown(&widget);
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widget.doneCurrent();
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}
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QPaintDevice *realPaintDevice() { return &widget; }
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ThreadSafeGLWidget widget;
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};
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class PixmapWrapper : public Device
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{
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public:
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PixmapWrapper() { pixmap = new QPixmap(512, 512); }
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~PixmapWrapper() { delete pixmap; }
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QPaintDevice *realPaintDevice() { return pixmap; }
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QPixmap *pixmap;
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};
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class PixelBufferWrapper : public Device
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{
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public:
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PixelBufferWrapper() { pbuffer = new QGLPixelBuffer(512, 512); }
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~PixelBufferWrapper() { delete pbuffer; }
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QPaintDevice *realPaintDevice() { return pbuffer; }
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QGLPixelBuffer *pbuffer;
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};
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class FrameBufferObjectWrapper : public Device
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{
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public:
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FrameBufferObjectWrapper() {
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widget.makeCurrent();
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fbo = new QGLFramebufferObject(512, 512);
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widget.doneCurrent();
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}
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~FrameBufferObjectWrapper() { delete fbo; }
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QPaintDevice *realPaintDevice() { return fbo; }
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void prepareDevice() { widget.makeCurrent(); }
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ThreadSafeGLWidget widget;
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QGLFramebufferObject *fbo;
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};
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class ThreadPainter : public QObject
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{
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Q_OBJECT
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public:
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ThreadPainter(Device *pd) : device(pd), fail(true) {
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pixmap = QPixmap(40, 40);
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pixmap.fill(Qt::green);
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QPainter p(&pixmap);
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p.drawLine(0, 0, 40, 40);
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p.drawLine(0, 40, 40, 0);
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}
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public slots:
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void draw() {
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bool beginFailed = false;
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QTime time;
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time.start();
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int rotAngle = 10;
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device->prepareDevice();
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QPaintDevice *paintDevice = device->realPaintDevice();
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QSize s(paintDevice->width(), paintDevice->height());
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while (time.elapsed() < RUNNING_TIME) {
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QPainter p;
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if (!p.begin(paintDevice)) {
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beginFailed = true;
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break;
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}
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p.translate(s.width()/2, s.height()/2);
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p.rotate(rotAngle);
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p.translate(-s.width()/2, -s.height()/2);
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p.fillRect(0, 0, s.width(), s.height(), Qt::red);
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QRect rect(QPoint(0, 0), s);
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p.drawPixmap(10, 10, pixmap);
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p.drawTiledPixmap(50, 50, 100, 100, pixmap);
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p.drawText(rect.center(), "This is a piece of text");
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p.end();
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rotAngle += 2;
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#ifdef Q_WS_WIN
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Sleep(20);
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#else
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usleep(20 * 1000);
|
|
#endif
|
|
}
|
|
|
|
fail = beginFailed;
|
|
QThread::currentThread()->quit();
|
|
}
|
|
|
|
bool failed() { return fail; }
|
|
|
|
private:
|
|
QPixmap pixmap;
|
|
Device *device;
|
|
bool fail;
|
|
};
|
|
|
|
template <class T>
|
|
class PaintThreadManager
|
|
{
|
|
public:
|
|
PaintThreadManager(int count) : numThreads(count)
|
|
{
|
|
for (int i=0; i<numThreads; ++i) {
|
|
devices.append(new T);
|
|
threads.append(new QThread);
|
|
painters.append(new ThreadPainter(devices.at(i)));
|
|
painters.at(i)->moveToThread(threads.at(i));
|
|
painters.at(i)->connect(threads.at(i), SIGNAL(started()), painters.at(i), SLOT(draw()));
|
|
}
|
|
}
|
|
|
|
~PaintThreadManager() {
|
|
qDeleteAll(threads);
|
|
qDeleteAll(painters);
|
|
qDeleteAll(devices);
|
|
}
|
|
|
|
|
|
void start() {
|
|
for (int i=0; i<numThreads; ++i)
|
|
threads.at(i)->start();
|
|
}
|
|
|
|
bool areRunning() {
|
|
bool running = false;
|
|
for (int i=0; i<numThreads; ++i){
|
|
if (threads.at(i)->isRunning())
|
|
running = true;
|
|
}
|
|
|
|
return running;
|
|
}
|
|
|
|
bool failed() {
|
|
for (int i=0; i<numThreads; ++i) {
|
|
if (painters.at(i)->failed())
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private:
|
|
QList<QThread *> threads;
|
|
QList<Device *> devices;
|
|
QList<ThreadPainter *> painters;
|
|
int numThreads;
|
|
};
|
|
|
|
/*
|
|
This test uses QPainter to draw onto different QGLWidgets in
|
|
different threads at the same time. The ThreadSafeGLWidget is
|
|
necessary to handle paint and resize events that might come from
|
|
the main thread at any time while the test is running. The resize
|
|
and paint events would cause makeCurrent() calls to be issued from
|
|
within the QGLWidget while the widget's context was current in
|
|
another thread, which would cause errors.
|
|
*/
|
|
void tst_QGLThreads::painterOnGLWidgetInThread()
|
|
{
|
|
#ifdef Q_OS_MAC
|
|
QSKIP("OpenGL threading tests are currently disabled on Mac as they were causing reboots", SkipAll);
|
|
#endif
|
|
if (!((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0) ||
|
|
(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_ES_Version_2_0))) {
|
|
QSKIP("The OpenGL based threaded QPainter tests requires OpenGL/ES 2.0.", SkipAll);
|
|
}
|
|
|
|
PaintThreadManager<GLWidgetWrapper> painterThreads(5);
|
|
painterThreads.start();
|
|
|
|
while (painterThreads.areRunning()) {
|
|
qApp->processEvents();
|
|
#ifdef Q_WS_WIN
|
|
Sleep(100);
|
|
#else
|
|
usleep(100 * 1000);
|
|
#endif
|
|
}
|
|
QVERIFY(!painterThreads.failed());
|
|
}
|
|
|
|
/*
|
|
This test uses QPainter to draw onto different QPixmaps in
|
|
different threads at the same time.
|
|
*/
|
|
void tst_QGLThreads::painterOnPixmapInThread()
|
|
{
|
|
#ifdef Q_WS_X11
|
|
QSKIP("Drawing text in threads onto X11 drawables currently crashes on some X11 servers.", SkipAll);
|
|
#endif
|
|
PaintThreadManager<PixmapWrapper> painterThreads(5);
|
|
painterThreads.start();
|
|
|
|
while (painterThreads.areRunning()) {
|
|
qApp->processEvents();
|
|
#ifdef Q_WS_WIN
|
|
Sleep(100);
|
|
#else
|
|
usleep(100 * 1000);
|
|
#endif
|
|
}
|
|
QVERIFY(!painterThreads.failed());
|
|
}
|
|
|
|
/* This test uses QPainter to draw onto different QGLPixelBuffer
|
|
objects in different threads at the same time.
|
|
*/
|
|
void tst_QGLThreads::painterOnPboInThread()
|
|
{
|
|
#ifdef Q_OS_MAC
|
|
QSKIP("OpenGL threading tests are currently disabled on Mac as they were causing reboots", SkipAll);
|
|
#endif
|
|
if (!((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0) ||
|
|
(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_ES_Version_2_0))) {
|
|
QSKIP("The OpenGL based threaded QPainter tests requires OpenGL/ES 2.0.", SkipAll);
|
|
return;
|
|
}
|
|
|
|
if (!QGLPixelBuffer::hasOpenGLPbuffers()) {
|
|
QSKIP("This system doesn't support pbuffers.", SkipAll);
|
|
return;
|
|
}
|
|
|
|
PaintThreadManager<PixelBufferWrapper> painterThreads(5);
|
|
painterThreads.start();
|
|
|
|
while (painterThreads.areRunning()) {
|
|
qApp->processEvents();
|
|
#ifdef Q_WS_WIN
|
|
Sleep(100);
|
|
#else
|
|
usleep(100 * 1000);
|
|
#endif
|
|
}
|
|
QVERIFY(!painterThreads.failed());
|
|
}
|
|
|
|
/* This test uses QPainter to draw onto different
|
|
QGLFramebufferObjects (bound in a QGLWidget's context) in different
|
|
threads at the same time.
|
|
*/
|
|
void tst_QGLThreads::painterOnFboInThread()
|
|
{
|
|
#ifdef Q_OS_MAC
|
|
QSKIP("OpenGL threading tests are currently disabled on Mac as they were causing reboots", SkipAll);
|
|
#endif
|
|
if (!((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0) ||
|
|
(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_ES_Version_2_0))) {
|
|
QSKIP("The OpenGL based threaded QPainter tests requires OpenGL/ES 2.0.", SkipAll);
|
|
return;
|
|
}
|
|
|
|
if (!QGLFramebufferObject::hasOpenGLFramebufferObjects()) {
|
|
QSKIP("This system doesn't support framebuffer objects.", SkipAll);
|
|
return;
|
|
}
|
|
|
|
PaintThreadManager<FrameBufferObjectWrapper> painterThreads(5);
|
|
painterThreads.start();
|
|
|
|
while (painterThreads.areRunning()) {
|
|
qApp->processEvents();
|
|
#ifdef Q_WS_WIN
|
|
Sleep(100);
|
|
#else
|
|
usleep(100 * 1000);
|
|
#endif
|
|
}
|
|
QVERIFY(!painterThreads.failed());
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
QApplication::setAttribute(Qt::AA_X11InitThreads);
|
|
QApplication app(argc, argv);
|
|
QTEST_DISABLE_KEYPAD_NAVIGATION \
|
|
|
|
tst_QGLThreads tc;
|
|
return QTest::qExec(&tc, argc, argv);
|
|
}
|
|
|
|
#include "tst_qglthreads.moc"
|