diff options
Diffstat (limited to 'src/widgets/kernel/qwidgetbackingstore.cpp')
-rw-r--r-- | src/widgets/kernel/qwidgetbackingstore.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp index d9d1c887c1..5e6563b0be 100644 --- a/src/widgets/kernel/qwidgetbackingstore.cpp +++ b/src/widgets/kernel/qwidgetbackingstore.cpp @@ -1242,13 +1242,15 @@ void QWidgetBackingStore::doSync() // OpenGL content changes. Check if we have such widgets in the special // dirty list. QVarLengthArray<QWidget *, 16> paintPending; - for (int i = 0; i < dirtyRenderToTextureWidgets.count(); ++i) { + const int numPaintPending = dirtyRenderToTextureWidgets.count(); + paintPending.reserve(numPaintPending); + for (int i = 0; i < numPaintPending; ++i) { QWidget *w = dirtyRenderToTextureWidgets.at(i); paintPending << w; resetWidget(w); } dirtyRenderToTextureWidgets.clear(); - for (int i = 0; i < paintPending.count(); ++i) { + for (int i = 0; i < numPaintPending; ++i) { QWidget *w = paintPending[i]; w->d_func()->sendPaintEvent(w->rect()); if (w != tlw) { |