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-rw-r--r--tools/qmlscene/main.cpp112
1 files changed, 92 insertions, 20 deletions
diff --git a/tools/qmlscene/main.cpp b/tools/qmlscene/main.cpp
index b8920cd853..fe01b92244 100644
--- a/tools/qmlscene/main.cpp
+++ b/tools/qmlscene/main.cpp
@@ -40,6 +40,7 @@
#include <QtCore/qtextstream.h>
#include <QtGui/QGuiApplication>
+#include <QtGui/QOpenGLFunctions>
#include <QtQml/qqml.h>
#include <QtQml/qqmlengine.h>
@@ -148,8 +149,11 @@ struct Options
, quitImmediately(false)
, resizeViewToRootItem(false)
, multisample(false)
- , contextSharing(true)
+ , verbose(false)
{
+ // QtWebEngine needs a shared context in order for the GPU thread to
+ // upload textures.
+ applicationAttributes.append(Qt::AA_ShareOpenGLContexts);
}
QUrl file;
@@ -164,7 +168,8 @@ struct Options
bool quitImmediately;
bool resizeViewToRootItem;
bool multisample;
- bool contextSharing;
+ bool verbose;
+ QVector<Qt::ApplicationAttribute> applicationAttributes;
QString translationFile;
};
@@ -340,23 +345,77 @@ static void usage()
puts("Usage: qmlscene [options] <filename>");
puts(" ");
puts(" Options:");
- puts(" --maximized ............................... Run maximized");
- puts(" --fullscreen .............................. Run fullscreen");
- puts(" --transparent ............................. Make the window transparent");
- puts(" --multisample ............................. Enable multisampling (OpenGL anti-aliasing)");
- puts(" --no-version-detection .................... Do not try to detect the version of the .qml file");
- puts(" --slow-animations ......................... Run all animations in slow motion");
- puts(" --resize-to-root .......................... Resize the window to the size of the root item");
- puts(" --quit .................................... Quit immediately after starting");
- puts(" --disable-context-sharing ................. Disable the use of a shared GL context for QtQuick Windows");
- puts(" -I <path> ................................. Add <path> to the list of import paths");
- puts(" -P <path> ................................. Add <path> to the list of plugin paths");
- puts(" -translation <translationfile> ............ Set the language to run in");
+ puts(" --maximized ...................... Run maximized");
+ puts(" --fullscreen ..................... Run fullscreen");
+ puts(" --transparent .................... Make the window transparent");
+ puts(" --multisample .................... Enable multisampling (OpenGL anti-aliasing)");
+ puts(" --no-version-detection ........... Do not try to detect the version of the .qml file");
+ puts(" --slow-animations ................ Run all animations in slow motion");
+ puts(" --resize-to-root ................. Resize the window to the size of the root item");
+ puts(" --quit ........................... Quit immediately after starting");
+ puts(" --disable-context-sharing ........ Disable the use of a shared GL context for QtQuick Windows\n"
+ " .........(remove AA_ShareOpenGLContexts)");
+ puts(" --desktop..........................Force use of desktop GL (AA_UseDesktopOpenGL)");
+ puts(" --gles.............................Force use of GLES (AA_UseOpenGLES)");
+ puts(" --software.........................Force use of software rendering (AA_UseOpenGLES)");
+ puts(" --verbose..........................Print version and graphical diagnostics for the run-time");
+ puts(" -I <path> ........................ Add <path> to the list of import paths");
+ puts(" -P <path> ........................ Add <path> to the list of plugin paths");
+ puts(" -translation <translationfile> ... Set the language to run in");
puts(" ");
exit(1);
}
+// Listen on GL context creation of the QQuickWindow in order to print diagnostic output.
+class DiagnosticGlContextCreationListener : public QObject {
+ Q_OBJECT
+public:
+ explicit DiagnosticGlContextCreationListener(QQuickWindow *window) : QObject(window)
+ {
+ connect(window, &QQuickWindow::openglContextCreated,
+ this, &DiagnosticGlContextCreationListener::onOpenGlContextCreated);
+ }
+
+private slots:
+ void onOpenGlContextCreated(QOpenGLContext *context)
+ {
+ context->makeCurrent(qobject_cast<QQuickWindow *>(parent()));
+ QOpenGLFunctions functions(context);
+ QByteArray output = "Vendor : ";
+ output += reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR));
+ output += "\nRenderer: ";
+ output += reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER));
+ output += "\nVersion : ";
+ output += reinterpret_cast<const char *>(functions.glGetString(GL_VERSION));
+ output += "\nLanguage: ";
+ output += reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION));
+ puts(output.constData());
+ context->doneCurrent();
+ deleteLater();
+ }
+};
+
+static void setWindowTitle(bool verbose, const QObject *topLevel, QWindow *window)
+{
+ const QString oldTitle = window->title();
+ QString newTitle = oldTitle;
+ if (newTitle.isEmpty()) {
+ newTitle = QLatin1String("qmlscene");
+ if (!qobject_cast<const QWindow *>(topLevel) && !topLevel->objectName().isEmpty())
+ newTitle += QLatin1String(": ") + topLevel->objectName();
+ }
+ if (verbose) {
+ newTitle += QLatin1String(" [Qt ") + QLatin1String(QT_VERSION_STR) + QLatin1Char(' ')
+ + QGuiApplication::platformName() + QLatin1Char(' ');
+ newTitle += QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL
+ ? QLatin1String("GL") : QLatin1String("GLES");
+ newTitle += QLatin1Char(']');
+ }
+ if (oldTitle != newTitle)
+ window->setTitle(newTitle);
+}
+
int main(int argc, char ** argv)
{
Options options;
@@ -389,7 +448,15 @@ int main(int argc, char ** argv)
else if (lowerArgument == QLatin1String("--multisample"))
options.multisample = true;
else if (lowerArgument == QLatin1String("--disable-context-sharing"))
- options.contextSharing = false;
+ options.applicationAttributes.removeAll(Qt::AA_ShareOpenGLContexts);
+ else if (lowerArgument == QLatin1String("--gles"))
+ options.applicationAttributes.append(Qt::AA_UseOpenGLES);
+ else if (lowerArgument == QLatin1String("--software"))
+ options.applicationAttributes.append(Qt::AA_UseSoftwareOpenGL);
+ else if (lowerArgument == QLatin1String("--desktop"))
+ options.applicationAttributes.append(Qt::AA_UseDesktopOpenGL);
+ else if (lowerArgument == QLatin1String("--verbose"))
+ options.verbose = true;
else if (lowerArgument == QLatin1String("-i") && i + 1 < argc)
imports.append(QString::fromLatin1(argv[++i]));
else if (lowerArgument == QLatin1String("-p") && i + 1 < argc)
@@ -402,9 +469,8 @@ int main(int argc, char ** argv)
}
}
- // QtWebEngine needs a shared context in order for the GPU thread to
- // upload textures.
- QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, options.contextSharing);
+ foreach (Qt::ApplicationAttribute a, options.applicationAttributes)
+ QCoreApplication::setAttribute(a);
#ifdef QT_WIDGETS_LIB
QApplication app(argc, argv);
#else
@@ -445,6 +511,9 @@ int main(int argc, char ** argv)
int exitCode = 0;
+ if (options.verbose)
+ puts(QLibraryInfo::build());
+
if (!options.file.isEmpty()) {
if (!options.versionDetection || checkVersion(options.file)) {
#ifndef QT_NO_TRANSLATION
@@ -487,8 +556,6 @@ int main(int argc, char ** argv)
QQuickView* qxView = new QQuickView(&engine, NULL);
window.reset(qxView);
// Set window default properties; the qml can still override them
- QString oname = contentItem->objectName();
- window->setTitle(oname.isEmpty() ? QString::fromLatin1("qmlscene") : QString::fromLatin1("qmlscene: ") + oname);
if (options.resizeViewToRootItem)
qxView->setResizeMode(QQuickView::SizeViewToRootObject);
else
@@ -498,6 +565,9 @@ int main(int argc, char ** argv)
}
if (window) {
+ setWindowTitle(options.verbose, topLevel, window.data());
+ if (options.verbose)
+ new DiagnosticGlContextCreationListener(window.data());
QSurfaceFormat surfaceFormat = window->requestedFormat();
if (options.multisample)
surfaceFormat.setSamples(16);
@@ -539,3 +609,5 @@ int main(int argc, char ** argv)
return exitCode;
}
+
+#include "main.moc"
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 06:36:46 +0000