https://bugs.kde.org/show_bug.cgi?id=368838
--- Comment #86 from David Edmundson <k...@davidedmundson.co.uk> ---
Steps to reproduce:
- set to QSG_RENDER_LOOP=basic
- create a slideshow
- open a taskmanager tooltip
- then we leak
Tooltip is not rendered because it's not visible.
But it's re-used so still exists.
QSGGuiThreadRenderLoop::renderWindow() returns false for that window without
doing anything.
But it's still marked as updatePending, so we never think we've rendered all
the windows.
This patch in Qt will fix it; though arugably isn't quite at the right cause.
diff --git a/src/quick/scenegraph/qsgrenderloop.cpp
b/src/quick/scenegraph/qsgrenderloop.cpp
index ca1fb9ba5..51b4775f2 100644
--- a/src/quick/scenegraph/qsgrenderloop.cpp
+++ b/src/quick/scenegraph/qsgrenderloop.cpp
@@ -384,7 +384,8 @@ void QSGGuiThreadRenderLoop::renderWindow(QQuickWindow
*window)
bool lastDirtyWindow = true;
auto i = m_windows.constBegin();
while (i != m_windows.constEnd()) {
- if (i.value().updatePending) {
+ QQuickWindowPrivate *cd = QQuickWindowPrivate::get(i.key());
+ if (i.value().updatePending && cd->isRenderable()) {
lastDirtyWindow = false;
break;
}
--
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