void QSGWindowsRenderLoop::exposureChanged(QQuickWindow *window)
{
if (windowData(window) == 0)
return;
if (window->isExposed() && window->isVisible()) {
// Stop non-visual animation timer as we now have a window rendering
if (m_animationTimer && anyoneShowing()) {
RLDEBUG(" - stopping non-visual animation timer");
killTimer(m_animationTimer);
m_animationTimer = 0;
}
RLDEBUG("exposureChanged - exposed");
WindowData *wd = windowData(window);
wd->pendingUpdate = true;
// If we have a pending timer and we get an expose, we need to stop it.
// Otherwise we get two frames and two animation ticks in the same time-interval.
if (m_updateTimer) {
RLDEBUG(" - killing pending update timer");
killTimer(m_updateTimer);
m_updateTimer = 0;
}
render();
} else {
handleObscurity();
}
}
void QSGWindowsRenderLoop::hide(QQuickWindow *window)
{
RLDEBUG("hide");
// The expose event is queued while hide is sent synchronously, so
// the value might not be updated yet. (plus that the windows plugin
// sends exposed=true when it goes to hidden, so it is doubly broken)
// The check is made here, after the removal from m_windows, so
// anyoneShowing will report the right value.
if (window->isExposed())
handleObscurity();
if (!m_gl)
return;
QQuickWindowPrivate::get(window)->fireAboutToStop();
}
void QSGWindowsRenderLoop::hide(QQuickWindow *window)
{
RLDEBUG("hide");
for (int i=0; i<m_windows.size(); ++i) {
if (m_windows.at(i).window == window) {
m_windows.removeAt(i);
break;
}
}
// The expose event is queued while hide is sent synchronously, so
// the value might not be updated yet. (plus that the windows plugin
// sends exposed=true when it goes to hidden, so it is doubly broken)
// The check is made here, after the removal from m_windows, so
// anyoneShowing will report the right value.
if (window->isExposed())
handleObscurity();
if (!m_gl)
return;
QQuickWindowPrivate *cd = QQuickWindowPrivate::get(window);
m_gl->makeCurrent(window);
cd->cleanupNodesOnShutdown();
// If this is the last tracked window, check for persistent SG and GL and
// potentially clean up.
if (m_windows.size() == 0) {
if (!cd->persistentSceneGraph) {
QQuickWindowPrivate::get(window)->context->invalidate();
QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
if (!cd->persistentGLContext) {
delete m_gl;
m_gl = 0;
}
}
}
}
