Track dirty state on front end nodes

Nothing clears the state yet, will be up to the core aspect to do that.

Change-Id: Ia3a5297a4b837b1d67545bd29ddce56666c520f3
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

2 files changed, 11 insertions, 0 deletions

diff --git a/src/core/transforms/qtransform.cpp b/src/core/transforms/qtransform.cpp
index edbca7280..dedb27b26 100644
--- a/src/core/transforms/qtransform.cpp
+++ b/src/core/transforms/qtransform.cpp
@@ -243,6 +243,14 @@ void QTransformPrivate::setWorldMatrix(const QMatrix4x4 &worldMatrix)
     q->blockNotifications(blocked);
 }
 
+void QTransformPrivate::update()
+{
+    if (!m_blockNotifications)
+        m_dirty = true;
+    markDirty(QScene::TransformDirty);
+    QNodePrivate::update();
+}
+
 void QTransform::setMatrix(const QMatrix4x4 &m)
 {
     Q_D(QTransform);
diff --git a/src/core/transforms/qtransform_p.h b/src/core/transforms/qtransform_p.h
index 56053309e..81c8489a7 100644
--- a/src/core/transforms/qtransform_p.h
+++ b/src/core/transforms/qtransform_p.h
@@ -78,7 +78,10 @@ public:
 
     QMatrix4x4 m_worldMatrix;
 
+    bool m_dirty;
+
     void setWorldMatrix(const QMatrix4x4 &worldMatrix);
+    void update() override;
 };
 
 struct QTransformData