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Diffstat (limited to 'examples/opengl/threadedqopenglwidget/main.cpp')
-rw-r--r-- | examples/opengl/threadedqopenglwidget/main.cpp | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/examples/opengl/threadedqopenglwidget/main.cpp b/examples/opengl/threadedqopenglwidget/main.cpp deleted file mode 100644 index 975def030b..0000000000 --- a/examples/opengl/threadedqopenglwidget/main.cpp +++ /dev/null @@ -1,131 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QApplication> -#include <QMainWindow> -#include <QScreen> -#include <QSurfaceFormat> -#include <QOpenGLContext> -#include <QCommandLineParser> -#include <QCommandLineOption> -#include "mainwindow.h" -#include "glwidget.h" - -#include <memory> - -static QString getGlString(QOpenGLFunctions *functions, GLenum name) -{ - if (const GLubyte *p = functions->glGetString(name)) - return QString::fromLatin1(reinterpret_cast<const char *>(p)); - return QString(); -} - -int main( int argc, char ** argv ) -{ - QApplication a( argc, argv ); - - QCoreApplication::setApplicationName("Qt Threaded QOpenGLWidget Example"); - QCoreApplication::setOrganizationName("QtProject"); - QCoreApplication::setApplicationVersion(QT_VERSION_STR); - QCommandLineParser parser; - parser.setApplicationDescription(QCoreApplication::applicationName()); - parser.addHelpOption(); - parser.addVersionOption(); - QCommandLineOption singleOption("single", "Single thread"); - parser.addOption(singleOption); - parser.process(a); - - QSurfaceFormat format; - format.setDepthBufferSize(16); - QSurfaceFormat::setDefaultFormat(format); - - // Two top-level windows with two QOpenGLWidget children in each. - // The rendering for the four QOpenGLWidgets happens on four separate threads. - - GLWidget topLevelGlWidget; - QPoint pos = topLevelGlWidget.screen()->availableGeometry().topLeft() + QPoint(200, 200); - topLevelGlWidget.setWindowTitle(QStringLiteral("Threaded QOpenGLWidget example top level")); - topLevelGlWidget.resize(200, 200); - topLevelGlWidget.move(pos); - topLevelGlWidget.show(); - - const QString glInfo = getGlString(topLevelGlWidget.context()->functions(), GL_VENDOR) - + QLatin1Char('/') + getGlString(topLevelGlWidget.context()->functions(), GL_RENDERER); - - const bool supportsThreading = !glInfo.contains(QLatin1String("nouveau"), Qt::CaseInsensitive) - && !glInfo.contains(QLatin1String("ANGLE"), Qt::CaseInsensitive) - && !glInfo.contains(QLatin1String("llvmpipe"), Qt::CaseInsensitive); - - const QString toolTip = supportsThreading ? glInfo : glInfo + QStringLiteral("\ndoes not support threaded OpenGL."); - topLevelGlWidget.setToolTip(toolTip); - - std::unique_ptr<MainWindow> mw1; - std::unique_ptr<MainWindow> mw2; - if (!parser.isSet(singleOption)) { - if (supportsThreading) { - pos += QPoint(100, 100); - mw1.reset(new MainWindow); - mw1->setToolTip(toolTip); - mw1->move(pos); - mw1->setWindowTitle(QStringLiteral("Threaded QOpenGLWidget example #1")); - mw1->show(); - pos += QPoint(100, 100); - mw2.reset(new MainWindow); - mw2->setToolTip(toolTip); - mw2->move(pos); - mw2->setWindowTitle(QStringLiteral("Threaded QOpenGLWidget example #2")); - mw2->show(); - } else { - qWarning() << toolTip; - } - } - - return a.exec(); -} |