void QGLInfo::initialize()
{
QWidget *win = qobject_cast<QGLWidget *>(parent());
// We need some kind of GL context to do the querying.
QGLWidget *glWidget = new QGLWidget(win);
glWidget->makeCurrent();
m_qtGLVersionInfo = reportQtGLVersionInfo();
m_qtGLFeatures = reportQtGLFeatures();
m_glVersionInfo = reportGLVersionInfo();
m_glExtensionInfo = reportGLExtensionInfo();
m_eglVersionInfo = reportEGLVersionInfo();
m_eglExtensionInfo = reportEGLExtensionInfo();
m_eglConfigInfo = reportEGLConfigInfo();
glWidget->doneCurrent();
delete glWidget;
QString welcome;
{
QSettings freshStart;
if (!freshStart.contains(QLatin1String("new_install")))
{
welcome = QLatin1String("<h1>Welcome to Qt3D!</h1>"
"<p>Try running the FPS test from the "
"View menu above to confirm that Qt3D "
"is installed correctly.</p><hr>");
}
freshStart.setValue(QLatin1String("new_install"), true);
}
QString html = tr("<h1>Qt GL Info Report</h1>"
"<p>Generated at: %1</p>"
"<h2>Qt GL Version Info</h2>"
"<p>%2</p>"
"<h2>Qt GL Features</h2>"
"<p>%3</p>"
"<h2>GL Version Info</h2>"
"<p>%4</p>"
"<h2>GL Extension Info</h2>"
"<p>%5</p>")
.arg(QDateTime::currentDateTime().toString())
.arg(nice(m_qtGLVersionInfo))
.arg(nice(m_qtGLFeatures))
.arg(nice(m_glVersionInfo))
.arg(nice(m_glExtensionInfo));
if (!welcome.isEmpty())
html.prepend(welcome);
#if !defined(QT_NO_EGL)
html += tr("<h2>EGL Version Info</h2>"
"<p>%1</p>"
"<h2>EGL Extension Info</h2>"
"<p>%2</p>"
"<h2>EGL Configurations</h2>"
"<p>%3</p>")
.arg(nice(m_eglVersionInfo))
.arg(nice(m_eglExtensionInfo))
.arg(nice(m_eglConfigInfo));
#endif
emit reportHtml(html);
}
void QGLInfo::initialize()
{
QWidget *win = qobject_cast<QGLWidget *>(parent());
// We need some kind of GL context to do the querying.
QGLWidget *glWidget = new QGLWidget(win);
glWidget->makeCurrent();
m_qtGLVersionInfo = reportQtGLVersionInfo();
m_qtGLFeatures = reportQtGLFeatures();
m_glVersionInfo = reportGLVersionInfo();
m_glExtensionInfo = reportGLExtensionInfo();
m_eglVersionInfo = reportEGLVersionInfo();
m_eglExtensionInfo = reportEGLExtensionInfo();
m_eglConfigInfo = reportEGLConfigInfo();
glWidget->doneCurrent();
delete glWidget;
QString html = tr("<h1>Qt GL Info Report</h1>"
"<p>Generated at: %1</p>"
"<h2>Qt GL Version Info</h2>"
"<p>%2</p>"
"<h2>Qt GL Features</h2>"
"<p>%3</p>"
"<h2>GL Version Info</h2>"
"<p>%4</p>"
"<h2>GL Extension Info</h2>"
"<p>%5</p>")
.arg(QDateTime::currentDateTime().toString())
.arg(nice(m_qtGLVersionInfo))
.arg(nice(m_qtGLFeatures))
.arg(nice(m_glVersionInfo))
.arg(nice(m_glExtensionInfo));
#if !defined(QT_NO_EGL)
html += tr("<h2>EGL Version Info</h2>"
"<p>%1</p>"
"<h2>EGL Extension Info</h2>"
"<p>%2</p>"
"<h2>EGL Configurations</h2>"
"<p>%3</p>")
.arg(nice(m_eglVersionInfo))
.arg(nice(m_eglExtensionInfo))
.arg(nice(m_eglConfigInfo));
#endif
emit reportHtml(html);
}
/*!
Overridden from QGLWidget to render the scenegraph
*/
void QuarterWidget::paintEvent(QPaintEvent* event)
{
std::clock_t begin = std::clock();
if(!initialized) {
glEnable(GL_DEPTH_TEST);
this->getSoRenderManager()->reinitialize();
initialized = true;
}
getSoRenderManager()->activate();
glEnable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
QGLWidget* w = static_cast<QGLWidget*>(this->viewport());
assert(w->isValid() && "No valid GL context found!");
// We might have to process the delay queue here since we don't know
// if paintGL() is called from Qt, and we might have some sensors
// waiting to trigger (the redraw sensor has a lower priority than a
// normal field sensor to guarantee that your sensor is processed
// before the next redraw). Disable autorendering while we do this
// to avoid recursive redraws.
// We set the PRIVATE(this)->processdelayqueue = false in redraw()
// to avoid processing the delay queue when paintGL() is triggered
// by us, and we don't want to process the delay queue in those
// cases
PRIVATE(this)->autoredrawenabled = false;
if(PRIVATE(this)->processdelayqueue && SoDB::getSensorManager()->isDelaySensorPending()) {
// processing the sensors might trigger a redraw in another
// context. Release this context temporarily
w->doneCurrent();
SoDB::getSensorManager()->processDelayQueue(false);
w->makeCurrent();
}
assert(w->isValid() && "No valid GL context found!");
glDrawBuffer(w->doubleBuffer() ? GL_BACK : GL_FRONT);
w->makeCurrent();
this->actualRedraw();
//start the standard graphics view processing for all widgets and graphic items. As
//QGraphicsView initaliizes a QPainter which changes the Opengl context in an unpredictable
//manner we need to store the context and recreate it after Qt is done.
glPushAttrib(GL_MULTISAMPLE_BIT_EXT);
inherited::paintEvent(event);
glPopAttrib();
if (w->doubleBuffer()) { w->swapBuffers(); }
PRIVATE(this)->autoredrawenabled = true;
// process the delay queue the next time we enter this function,
// unless we get here after a call to redraw().
PRIVATE(this)->processdelayqueue = true;
std::clock_t end = std::clock();
renderTime = double(double(end-begin)/CLOCKS_PER_SEC)*1000.0;
}
