diff options
| -rw-r--r-- | src/widgets/kernel/qwidgetbackingstore.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp index 8269bd13f6..049ed248de 100644 --- a/src/widgets/kernel/qwidgetbackingstore.cpp +++ b/src/widgets/kernel/qwidgetbackingstore.cpp @@ -1000,8 +1000,18 @@ static QPlatformTextureList *widgetTexturesFor(QWidget *tlw, QWidget *widget) static bool switchableWidgetComposition = QGuiApplicationPrivate::instance()->platformIntegration() ->hasCapability(QPlatformIntegration::SwitchableWidgetComposition); - if (!switchableWidgetComposition) + if (!switchableWidgetComposition +// The Windows compositor handles fullscreen OpenGL window specially. Besides +// having trouble with popups, it also has issues with flip-flopping between +// OpenGL-based and normal flushing. Therefore, stick with GL for fullscreen +// windows. (QTBUG-53515) +#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT) && !defined(Q_OS_WINCE) + || tlw->windowState().testFlag(Qt::WindowFullScreen) +#endif + ) + { return qt_dummy_platformTextureList(); + } } return 0; |