void dumpGlInfo(QTextStream &str, bool listExtensions)
{
QOpenGLContext context;
if (context.create()) {
# ifdef QT_OPENGL_DYNAMIC
str << "Dynamic GL ";
# endif
switch (context.openGLModuleType()) {
case QOpenGLContext::LibGL:
str << "LibGL";
break;
case QOpenGLContext::LibGLES:
str << "LibGLES";
break;
}
QWindow window;
window.setSurfaceType(QSurface::OpenGLSurface);
window.create();
context.makeCurrent(&window);
QOpenGLFunctions functions(&context);
str << " Vendor: " << reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR))
<< "\nRenderer: " << reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER))
<< "\nVersion: " << reinterpret_cast<const char *>(functions.glGetString(GL_VERSION))
<< "\nShading language: " << reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION))
<< "\nFormat: " << context.format();
if (listExtensions) {
QList<QByteArray> extensionList = context.extensions().toList();
std::sort(extensionList.begin(), extensionList.end());
str << " \nFound " << extensionList.size() << " extensions:\n";
foreach (const QByteArray &extension, extensionList)
str << " " << extension << '\n';
}
} else {
QString openGlContext()
{
QString result;
QTextStream str(&result);
QOpenGLContext context;
if (context.create()) {
# ifdef QT_OPENGL_DYNAMIC
str << "Dynamic GL ";
# endif
switch (context.openGLModuleType()) {
case QOpenGLContext::LibGL:
str << "LibGL";
break;
case QOpenGLContext::LibGLES:
str << "LibGLES";
break;
}
QWindow window;
if (QGuiApplication::platformName() == QLatin1String("greenisland"))
window.setFlags(Qt::Desktop);
window.setSurfaceType(QSurface::OpenGLSurface);
//window.setScreen(QGuiApplication::primaryScreen());
window.create();
if (context.makeCurrent(&window)) {
QOpenGLFunctions functions(&context);
str << " Vendor: " << reinterpret_cast<const char *>(functions.glGetString(GL_VENDOR))
<< "\nRenderer: " << reinterpret_cast<const char *>(functions.glGetString(GL_RENDERER))
<< "\nVersion: " << reinterpret_cast<const char *>(functions.glGetString(GL_VERSION))
<< "\nGLSL version: " << reinterpret_cast<const char *>(functions.glGetString(GL_SHADING_LANGUAGE_VERSION))
<< "\nFormat: " << context.format();
QList<QByteArray> extensionList = context.extensions().toList();
std::sort(extensionList.begin(), extensionList.end());
QByteArray extensions = extensionList.join(' ');
str << " \nFound " << extensionList.size() << " extensions:\n";
str << wordWrap(extensions, 78);
context.doneCurrent();
}
window.destroy();
} else {
str << "Unable to create an Open GL context.\n";
}
return result;
}
