diff options
Diffstat (limited to 'tests/manual/widgets/webgl/main.cpp')
| -rw-r--r-- | tests/manual/widgets/webgl/main.cpp | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/tests/manual/widgets/webgl/main.cpp b/tests/manual/widgets/webgl/main.cpp new file mode 100644 index 000000000..7037c34db --- /dev/null +++ b/tests/manual/widgets/webgl/main.cpp @@ -0,0 +1,159 @@ +// Copyright (C) 2018 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 + +#include <QtCore/QDebug> +#include <QtCore/QLoggingCategory> +#include <QtCore/QOperatingSystemVersion> +#include <QtGui/QOpenGLContext> +#include <QtGui/QScreen> +#include <QtGui/QSurfaceFormat> +#include <QtWidgets/QApplication> +#include <QtWidgets/QGroupBox> +#include <QtWidgets/QHBoxLayout> +#include <QtWidgets/QMainWindow> +#include <QtWidgets/QPushButton> +#include <QtWidgets/QVBoxLayout> +#include <QtWebEngineWidgets/QWebEngineView> + +// Manual test for checking if WebGL (1 or 2) works. +// Set environment variable QTWEBENGINE_GL_TYPE to one of the following to try and switch +// the underlying GL implementation (mostly Windows): "desktop", "gles", "gles3", "software". + +class MainWindow : public QMainWindow +{ + Q_OBJECT +public: + explicit MainWindow(QWidget *parent = nullptr); + QSize sizeHint() const; + +private: + QWebEngineView *view = nullptr; +}; + +MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) +{ + QWidget *centralWidget = new QWidget; + + QGroupBox *horizontalGroupBox = new QGroupBox; + QHBoxLayout *buttonLayout = new QHBoxLayout; + QPushButton *exButton1 = new QPushButton(QStringLiteral("Aquarium (WebGL 1)")); + QPushButton *exButton2 = new QPushButton(QStringLiteral("Lots of objects (WebGL 1)")); + QPushButton *exButton3 = new QPushButton(QStringLiteral("Instanced triangles (WebGL 2)")); + + buttonLayout->addWidget(exButton1); + buttonLayout->addWidget(exButton2); + buttonLayout->addWidget(exButton3); + horizontalGroupBox->setLayout(buttonLayout); + + const QUrl exUrl1 = + QUrl(QStringLiteral( + "http://webglsamples.org/aquarium/aquarium.html")); + const QUrl exUrl2 = + QUrl(QStringLiteral( + "http://webglsamples.org/lots-o-objects/lots-o-objects-draw-elements.html")); + const QUrl exUrl3 = + QUrl(QStringLiteral( + "http://webglsamples.org/WebGL2Samples/#transform_feedback_instanced")); + + view = new QWebEngineView; + connect(exButton1, &QPushButton::clicked, view, [=](){ + view->setUrl(exUrl1); + }); + connect(exButton2, &QPushButton::clicked, view, [=](){ + view->setUrl(exUrl2); + }); + connect(exButton3, &QPushButton::clicked, view, [=](){ + view->setUrl(exUrl3); + }); + + QVBoxLayout *centralLayout = new QVBoxLayout; + centralLayout->addWidget(horizontalGroupBox); + centralLayout->addWidget(view, 1); + + centralWidget->setLayout(centralLayout); + setCentralWidget(centralWidget); + + view->setUrl(QUrl(QStringLiteral("http://webglsamples.org/aquarium/aquarium.html"))); + setWindowTitle(tr("WebGL 1 and 2 examples")); +} + +QSize MainWindow::sizeHint() const +{ + const QRect desktopRect = QGuiApplication::primaryScreen()->geometry(); + const QSize size = desktopRect.size() * qreal(0.9); + return size; +} + +bool isWindows() +{ + return QOperatingSystemVersion::currentType() == QOperatingSystemVersion::Windows; +} + +// Easy snippets to copy to command line for testing for UNIX only. +// QTWEBENGINE_GL_TYPE=desktop ./webgl +// QTWEBENGINE_GL_TYPE=gles ./webgl +// QTWEBENGINE_GL_TYPE=gles3 ./webgl +// QTWEBENGINE_GL_TYPE=software ./webgl +int main(int argc, char *argv[]) +{ + // Not all options are relevant for all platforms. + const QString desktopGL = QStringLiteral("desktop"); + const QString angle = QStringLiteral("angle"); // Same as gles really, just an alias. + const QString gles = QStringLiteral("gles"); // ANGLE on Windows. + const QString gles3 = QStringLiteral("gles3"); // ANGLE on Windows. + const QString softwareGL = QStringLiteral("software"); + + QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); + QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); + + QString glType = qEnvironmentVariable("QTWEBENGINE_GL_TYPE"); + if (glType.isEmpty()) { + if (isWindows()) + glType = gles3; + else + glType = desktopGL; + } + + if (glType == desktopGL) { + QApplication::setAttribute(Qt::AA_UseDesktopOpenGL); + qInfo() << QStringLiteral("Trying to use Desktop OpenGL.\n"); + } else if (glType == gles || glType == gles3 || glType == angle) { + QApplication::setAttribute(Qt::AA_UseOpenGLES); + if (glType == gles || glType == angle) + qInfo() << QStringLiteral("Trying to use OpenGL ES 2.\n"); + if (glType == gles3) + qInfo() << QStringLiteral("Trying to use OpenGL ES 3.\n"); + } else if (glType == softwareGL) { + QApplication::setAttribute(Qt::AA_UseSoftwareOpenGL); + qInfo() << QStringLiteral("Trying to use software OpenGL.\n"); + } + + if (glType == gles3) { + // Set OpenGL ES version 3. + QSurfaceFormat format; + format.setSamples(4); + format.setDepthBufferSize(24); + format.setStencilBufferSize(8); + format.setVersion(3, 0); + QSurfaceFormat::setDefaultFormat(format); + } + + QApplication a(argc, argv); + + QLoggingCategory::setFilterRules(QStringLiteral("qt.scenegraph.general=true")); + QOpenGLContext *globalSharedContext = QOpenGLContext::globalShareContext(); + qInfo() << "Global OpenGL context format: " << globalSharedContext->format() << "\n"; + + MainWindow w; + + // Move middle-ish. + const QRect desktopRect = QGuiApplication::primaryScreen()->geometry(); + const QSize pos = desktopRect.size() * qreal(0.1); + w.move(pos.width(), pos.height()); + + w.show(); + + return a.exec(); +} + +#include "main.moc" |