Fix leaking resources by OpenVG scene graph backend

Change-Id: I4e67c639d8343e39673ef5ea08bda7af033fb19f
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

src/plugins/scenegraph/openvg/qsgopenvgpublicnodes.cpp

@@ -174,7 +174,7 @@ void QSGOpenVGRectangleNode::render()
 
 }
 
-QSGOpenVGImageNode::QSGOpenVGImageNode()
+QSGOpenVGImageNode::QSGOpenVGImageNode() : m_texture(nullptr), m_owns(false)
 {
     // Set Dummy material and geometry to avoid asserts
     setMaterial((QSGMaterial*)1);
@@ -184,9 +184,8 @@ QSGOpenVGImageNode::QSGOpenVGImageNode()
 
 QSGOpenVGImageNode::~QSGOpenVGImageNode()
 {
-    if (m_owns) {
-        m_texture->deleteLater();
-    }
+    if (m_owns)
+        delete m_texture;
 }
 
 void QSGOpenVGImageNode::setRect(const QRectF &rect)
@@ -212,6 +211,8 @@ QRectF QSGOpenVGImageNode::sourceRect() const
 
 void QSGOpenVGImageNode::setTexture(QSGTexture *texture)
 {
+    if (m_owns)
+        delete m_texture;
     m_texture = texture;
     markDirty(DirtyMaterial);
 }
@@ -321,7 +322,7 @@ void QSGOpenVGImageNode::render()
 
 }
 
-QSGOpenVGNinePatchNode::QSGOpenVGNinePatchNode()
+QSGOpenVGNinePatchNode::QSGOpenVGNinePatchNode() : m_texture(nullptr)
 {
     // Set Dummy material and geometry to avoid asserts
     setMaterial((QSGMaterial*)1);
@@ -329,8 +330,14 @@ QSGOpenVGNinePatchNode::QSGOpenVGNinePatchNode()
 
 }
 
+QSGOpenVGNinePatchNode::~QSGOpenVGNinePatchNode()
+{
+    delete m_texture;
+}
+
 void QSGOpenVGNinePatchNode::setTexture(QSGTexture *texture)
 {
+    delete m_texture;
     m_texture = texture;
     markDirty(DirtyMaterial);
 }

src/plugins/scenegraph/openvg/qsgopenvgpublicnodes.h

@@ -118,6 +118,7 @@ class QSGOpenVGNinePatchNode : public QSGNinePatchNode, public QSGOpenVGRenderab
 {
 public:
     QSGOpenVGNinePatchNode();
+    ~QSGOpenVGNinePatchNode();
 
     void setTexture(QSGTexture *texture) override;
     void setBounds(const QRectF &bounds) override;

src/plugins/scenegraph/openvg/qsgopenvgrenderloop.cpp

@@ -43,6 +43,7 @@
 #include <QtCore/QCoreApplication>
 #include <QtCore/QElapsedTimer>
 
+#include <private/qquickanimatorcontroller_p.h>
 #include <private/qquickwindow_p.h>
 #include <private/qquickprofiler_p.h>
 
@@ -94,6 +95,8 @@ void QSGOpenVGRenderLoop::windowDestroyed(QQuickWindow *window)
     } else if (vg && window == vg->window()) {
         vg->doneCurrent();
     }
+
+    delete d->animationController;
 }
 
 void QSGOpenVGRenderLoop::exposureChanged(QQuickWindow *window)