Fix static optimization errors

- Buffer ids were not cleared appropriately
- Update didn't account for items outside axis ranges
- In some cases wrong shader was used for point series

Task-number: QTRD-3353
Change-Id: Iea465d99eb557402feb5fb017ae92393ee8f377f
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/datavisualization/utils/objecthelper.cpp b/src/datavisualization/utils/objecthelper.cpp
index a66e0f7e..b64e8c3f 100644
--- a/src/datavisualization/utils/objecthelper.cpp
+++ b/src/datavisualization/utils/objecthelper.cpp
@@ -122,6 +122,10 @@ void ObjectHelper::load()
         m_indexedVertices.clear();
         m_indexedUVs.clear();
         m_indexedNormals.clear();
+        m_vertexbuffer = 0;
+        m_uvbuffer = 0;
+        m_normalbuffer = 0;
+        m_elementbuffer = 0;
     }
     QVector<QVector3D> vertices;
     QVector<QVector2D> uvs;