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Diffstat (limited to 'src/gui/painting/qwindowsurface.cpp')
| -rw-r--r-- | src/gui/painting/qwindowsurface.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gui/painting/qwindowsurface.cpp b/src/gui/painting/qwindowsurface.cpp index 9b71818..050805e 100644 --- a/src/gui/painting/qwindowsurface.cpp +++ b/src/gui/painting/qwindowsurface.cpp @@ -332,6 +332,16 @@ bool QWindowSurface::hasPartialUpdateSupport() const return true; } +/*! + Says whether the window surface's contents are preserved on flush. + If not, the window surface contents need to be fully repainted before the + next flush. +*/ +bool QWindowSurface::hasPreservedContents() const +{ + return hasPartialUpdateSupport(); +} + #ifdef Q_WS_QPA #define Q_EXPORT_SCROLLRECT Q_GUI_EXPORT #else |