void QQuickTrivialWindowManager::hide(QQuickWindow *window)
{
if (!m_windows.contains(window))
return;
m_windows.remove(window);
QQuickWindowPrivate *cd = QQuickWindowPrivate::get(window);
cd->cleanupNodesOnShutdown();
if (m_windows.size() == 0) {
sg->invalidate();
delete gl;
gl = 0;
}
}
void QSGSoftwareRenderLoop::windowDestroyed(QQuickWindow *window)
{
m_windows.remove(window);
delete m_backingStores[window];
m_backingStores.remove(window);
hide(window);
QQuickWindowPrivate *d = QQuickWindowPrivate::get(window);
d->cleanupNodesOnShutdown();
if (m_windows.size() == 0) {
rc->invalidate();
QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
}
}
void QSGWindowsRenderLoop::windowDestroyed(QQuickWindow *window)
{
RLDEBUG("windowDestroyed");
for (int i=0; i<m_windows.size(); ++i) {
if (m_windows.at(i).window == window) {
m_windows.removeAt(i);
break;
}
}
hide(window);
QQuickWindowPrivate *d = QQuickWindowPrivate::get(window);
bool current = false;
QScopedPointer<QOffscreenSurface> offscreenSurface;
if (m_gl) {
QSurface *surface = window;
// There may be no platform window if the window got closed.
if (!window->handle()) {
offscreenSurface.reset(new QOffscreenSurface);
offscreenSurface->setFormat(m_gl->format());
offscreenSurface->create();
surface = offscreenSurface.data();
}
current = m_gl->makeCurrent(surface);
}
if (Q_UNLIKELY(!current))
qCDebug(QSG_LOG_RENDERLOOP) << "cleanup without an OpenGL context";
QQuickShaderEffectMaterial::cleanupMaterialCache();
d->cleanupNodesOnShutdown();
if (m_windows.size() == 0) {
d->context->invalidate();
delete m_gl;
m_gl = 0;
} else if (m_gl && current) {
m_gl->doneCurrent();
}
delete d->animationController;
}
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;
}
}
}
}
/*
* Render the contents of this window. First polish, then sync, render
* then finally swap.
*
* Note: This render function does not implement aborting
* the render call when sync step results in no scene graph changes,
* like the threaded renderer does.
*/
void QSGWindowsRenderLoop::renderWindow(QQuickWindow *window)
{
RLDEBUG("renderWindow");
QQuickWindowPrivate *d = QQuickWindowPrivate::get(window);
if (!d->isRenderable())
return;
if (!m_gl->makeCurrent(window)) {
// Check for context loss.
if (!m_gl->isValid()) {
d->cleanupNodesOnShutdown();
m_rc->invalidate();
if (m_gl->create() && m_gl->makeCurrent(window))
m_rc->initialize(m_gl);
else
return;
}
}
d->flushDelayedTouchEvent();
// Event delivery or processing has caused the window to stop rendering.
if (!windowData(window))
return;
QSG_LOG_TIME_SAMPLE(time_start);
Q_QUICK_SG_PROFILE_START(QQuickProfiler::SceneGraphPolishFrame);
RLDEBUG(" - polishing");
d->polishItems();
QSG_LOG_TIME_SAMPLE(time_polished);
Q_QUICK_SG_PROFILE_SWITCH(QQuickProfiler::SceneGraphPolishFrame,
QQuickProfiler::SceneGraphRenderLoopFrame);
emit window->afterAnimating();
RLDEBUG(" - syncing");
d->syncSceneGraph();
QSG_RENDER_TIMING_SAMPLE(QQuickProfiler::SceneGraphRenderLoopFrame, time_synced);
RLDEBUG(" - rendering");
d->renderSceneGraph(window->size());
QSG_RENDER_TIMING_SAMPLE(QQuickProfiler::SceneGraphRenderLoopFrame, time_rendered);
RLDEBUG(" - swapping");
if (!d->customRenderStage || !d->customRenderStage->swap())
m_gl->swapBuffers(window);
QSG_RENDER_TIMING_SAMPLE(QQuickProfiler::SceneGraphRenderLoopFrame, time_swapped);
RLDEBUG(" - frameDone");
d->fireFrameSwapped();
qCDebug(QSG_LOG_TIME_RENDERLOOP()).nospace()
<< "Frame rendered with 'windows' renderloop in: " << (time_swapped - time_start) / 1000000 << "ms"
<< ", polish=" << (time_polished - time_start) / 1000000
<< ", sync=" << (time_synced - time_polished) / 1000000
<< ", render=" << (time_rendered - time_synced) / 1000000
<< ", swap=" << (time_swapped - time_rendered) / 1000000
<< " - " << window;
Q_QUICK_SG_PROFILE_REPORT(QQuickProfiler::SceneGraphRenderLoopFrame);
}