DirtyRegion
fCurrentUpdateSession->DirtyRegion());
fCurrentUpdateSession->DirtyRegion());
&fPendingUpdateSession->DirtyRegion());
&fCurrentUpdateSession->DirtyRegion());
fPendingUpdateSession->DirtyRegion().Exclude(copyRegion);
&fPendingUpdateSession->DirtyRegion());
&fCurrentUpdateSession->DirtyRegion());
inline BRegion& DirtyRegion()
_ShiftPartOfRegion(&fCurrentUpdateSession.DirtyRegion(), region, xOffset, yOffset);
_ShiftPartOfRegion(&fPendingUpdateSession.DirtyRegion(), region, xOffset, yOffset);
fEffectiveDrawingRegion.IntersectWith(&fCurrentUpdateSession.DirtyRegion());
fEffectiveDrawingRegion.IntersectWith(&fCurrentUpdateSession.DirtyRegion());
inline BRegion& DirtyRegion()