Free ShaderEffectSource FBOs when no longer needed.

This commit also fixes handling of texture provider deletion in
ShaderEffect.

Change-Id: Ib22a9308a35325972bc545cf29de11bd625b22b2
Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/quick/items/qquickshadereffect_p.h b/src/quick/items/qquickshadereffect_p.h
index 4475c22b28..db1e4e78c1 100644
--- a/src/quick/items/qquickshadereffect_p.h
+++ b/src/quick/items/qquickshadereffect_p.h
@@ -133,6 +133,7 @@ private Q_SLOTS:
     void updateData();
     void updateGeometry();
     void updateLogAndStatus(const QString &log, int status);
+    void sourceDestroyed(QObject *object);
 
 private:
     friend class QQuickCustomMaterialShader;
@@ -156,7 +157,7 @@ private:
     struct SourceData
     {
         QSignalMapper *mapper;
-        QPointer<QQuickItem> sourceObject;
+        QQuickItem *sourceObject;
         QByteArray name;
     };
     QVector<SourceData> m_sources;