Enabling QQuickWidget and QOpenGLWidget

Enable child widgets (without a native window) that render to an FBO
and are composed with the raster backingstore by the platform plugin.
A preliminary version of QOpenGLWidget is included as private API.

Change-Id: I8f984a4d7db285069ce3d6564707942c823d890d
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/widgets/kernel/qwidgetbackingstore_p.h b/src/widgets/kernel/qwidgetbackingstore_p.h
index 3d12524c98..c6f6541e1f 100644
--- a/src/widgets/kernel/qwidgetbackingstore_p.h
+++ b/src/widgets/kernel/qwidgetbackingstore_p.h
@@ -60,6 +60,8 @@
 
 QT_BEGIN_NAMESPACE
 
+class QPlatformTextureList;
+
 struct BeginPaintInfo {
     inline BeginPaintInfo() : wasFlushed(0), nothingToPaint(0), backingStoreRecreated(0) {}
     uint wasFlushed : 1;
@@ -102,11 +104,15 @@ private:
     QVector<QWidget *> dirtyWidgets;
     QVector<QWidget *> *dirtyOnScreenWidgets;
     QList<QWidget *> staticWidgets;
+    QPlatformTextureList *widgetTextures;
     QBackingStore *store;
     uint fullUpdatePending : 1;
+    uint updateRequestSent : 1;
 
     QPoint tlwOffset;
 
+    void sendUpdateRequest(QWidget *widget, bool updateImmediately);
+
     static bool flushPaint(QWidget *widget, const QRegion &rgn);
     static void unflushPaint(QWidget *widget, const QRegion &rgn);