diff options
Diffstat (limited to 'src/widgets/kernel/qwidgetbackingstore.cpp')
-rw-r--r-- | src/widgets/kernel/qwidgetbackingstore.cpp | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp index 38f02b2ed9..68beb9afca 100644 --- a/src/widgets/kernel/qwidgetbackingstore.cpp +++ b/src/widgets/kernel/qwidgetbackingstore.cpp @@ -957,9 +957,12 @@ void QWidgetBackingStore::sync(QWidget *exposedWidget, const QRegion &exposedReg static void findTextureWidgetsRecursively(QWidget *tlw, QWidget *widget, QPlatformTextureList *widgetTextures) { QWidgetPrivate *wd = QWidgetPrivate::get(widget); - if (wd->renderToTexture) - widgetTextures->appendTexture(wd->textureId(), QRect(widget->mapTo(tlw, QPoint()), widget->size()), - widget->testAttribute(Qt::WA_AlwaysStackOnTop)); + if (wd->renderToTexture) { + QPlatformTextureList::Flags flags = 0; + if (widget->testAttribute(Qt::WA_AlwaysStackOnTop)) + flags |= QPlatformTextureList::StacksOnTop; + widgetTextures->appendTexture(widget, wd->textureId(), QRect(widget->mapTo(tlw, QPoint()), widget->size()), flags); + } for (int i = 0; i < wd->children.size(); ++i) { QWidget *w = qobject_cast<QWidget *>(wd->children.at(i)); @@ -1150,28 +1153,20 @@ void QWidgetBackingStore::doSync() } #ifndef QT_NO_OPENGL - // There is something other dirty than the renderToTexture widgets. - // Now it is time to include the renderToTexture ones among the others. if (widgetTextures && widgetTextures->count()) { for (int i = 0; i < widgetTextures->count(); ++i) { - const QRect rect = widgetTextures->geometry(i); // mapped to the tlw already - dirty += rect; - toClean += rect; + QWidget *w = widgetTextures->widget(i); + if (dirtyRenderToTextureWidgets.contains(w)) { + const QRect rect = widgetTextures->geometry(i); // mapped to the tlw already + dirty += rect; + toClean += rect; + } } } -#endif - - // The dirtyRenderToTextureWidgets list is useless here, so just reset. As - // unintuitive as it is, we need to send paint events to renderToTexture - // widgets always when something (any widget) needs to be updated, even if - // the renderToTexture widget itself is clean, i.e. there was no update() - // call for it. This is because changing any widget will cause a flush and - // so a potentially blocking buffer swap for the window, and skipping paints - // for the renderToTexture widgets would make it impossible to have smoothly - // animated content in them. for (int i = 0; i < dirtyRenderToTextureWidgets.count(); ++i) resetWidget(dirtyRenderToTextureWidgets.at(i)); dirtyRenderToTextureWidgets.clear(); +#endif #ifndef QT_NO_GRAPHICSVIEW if (tlw->d_func()->extra->proxyWidget) { |