diff options
| -rw-r--r-- | src/gui/painting/qbackingstore.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/painting/qbackingstore.cpp b/src/gui/painting/qbackingstore.cpp index ceaad61e13..53349dcef4 100644 --- a/src/gui/painting/qbackingstore.cpp +++ b/src/gui/painting/qbackingstore.cpp @@ -112,6 +112,8 @@ void QBackingStore::flush(const QRegion ®ion, QWindow *win, const QPoint &off } #endif + Q_ASSERT(win == this->window() || this->window()->isAncestorOf(win, QWindow::ExcludeTransients)); + d_ptr->platformBackingStore->flush(win, QHighDpi::toNativeLocalRegion(region, win), QHighDpi::toNativeLocalPosition(offset, win)); } |