Merge remote-tracking branch 'origin/5.11' into 5.12

 Conflicts:
	.qmake.conf
	qmake/Makefile.unix
	src/gui/text/qtextdocument.cpp
	src/gui/text/qtextdocument.h

Change-Id: Iba26da0ecbf2aa4ff4b956391cfb373f977f88c9

1 files changed, 1 insertions, 13 deletions

diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp
index 53769ef9ed..b40c2d12ad 100644
--- a/src/widgets/kernel/qwidgetbackingstore.cpp
+++ b/src/widgets/kernel/qwidgetbackingstore.cpp
@@ -1053,20 +1053,8 @@ static QPlatformTextureList *widgetTexturesFor(QWidget *tlw, QWidget *widget)
         static bool switchableWidgetComposition =
             QGuiApplicationPrivate::instance()->platformIntegration()
                 ->hasCapability(QPlatformIntegration::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). Similary, translucent windows should not switch to
-// layered native windows (QTBUG-54734).
-#if defined(Q_OS_WIN) && !defined(Q_OS_WINRT) && !defined(Q_OS_WINCE)
-                || tlw->windowState().testFlag(Qt::WindowFullScreen)
-                || tlw->testAttribute(Qt::WA_TranslucentBackground)
-#endif
-                )
-        {
+        if (!switchableWidgetComposition)
             return qt_dummy_platformTextureList();
-        }
     }
 
     return 0;