diff options
| author | Laszlo Agocs <laszlo.agocs@qt.io> | 2023-02-27 12:37:30 +0100 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@qt.io> | 2023-02-28 14:28:51 +0100 |
| commit | 6462a454e3d53c3711817b510cff59c136711b9e (patch) | |
| tree | 29afaf653198da1e8eac0d15f2a878fb947abc0c /examples/opengl/threadedqopenglwidget/main.cpp | |
| parent | 86a517ac786c90b9ce8deb502c413287e31058c2 (diff) | |
Remove threadeqopenglwidget example
It is neither documented nor very useful, and it has
platform-specific issues as reported over the years.
Remove it now as part of the example revamp initiative.
Task-number: QTBUG-50278
Task-number: QTBUG-110093
Task-number: QTBUG-76054
Task-number: QTBUG-43209
Pick-to: 6.5
Change-Id: I6dadaf4162b4c19411c544b9f204c19e37aa740d
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'examples/opengl/threadedqopenglwidget/main.cpp')
| -rw-r--r-- | examples/opengl/threadedqopenglwidget/main.cpp | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/examples/opengl/threadedqopenglwidget/main.cpp b/examples/opengl/threadedqopenglwidget/main.cpp deleted file mode 100644 index efb84877f85..00000000000 --- a/examples/opengl/threadedqopenglwidget/main.cpp +++ /dev/null @@ -1,88 +0,0 @@ -// Copyright (C) 2022 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include <QApplication> -#include <QMainWindow> -#include <QScreen> -#include <QShortcut> -#include <QSurfaceFormat> -#include <QOpenGLContext> -#include <QOpenGLFunctions> -#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(); - auto *closeShortcut = new QShortcut(Qt::CTRL | Qt::Key_Q, &a, QApplication::closeAllWindows); - closeShortcut->setContext(Qt::ApplicationShortcut); - - 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(); -} |