Scatter perf improvement

Task-number: QTRD-3148
Change-Id: I2c9efa84184819aaac123ee29685bc3a9e35bfe6
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/datavisualization/utils/scatterobjectbufferhelper_p.h b/src/datavisualization/utils/scatterobjectbufferhelper_p.h
new file mode 100644
index 00000000..0bba45f5
--- /dev/null
+++ b/src/datavisualization/utils/scatterobjectbufferhelper_p.h
@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the QtDataVisualization API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef SCATTEROBJECTBUFFERHELPER_P_H
+#define SCATTEROBJECTBUFFERHELPER_P_H
+
+#include "datavisualizationglobal_p.h"
+#include "abstractobjecthelper_p.h"
+#include "scatterseriesrendercache_p.h"
+#include <QtGui/QOpenGLFunctions>
+
+QT_BEGIN_NAMESPACE_DATAVISUALIZATION
+
+class ScatterObjectBufferHelper : public AbstractObjectHelper
+{
+public:
+    ScatterObjectBufferHelper();
+    ~ScatterObjectBufferHelper();
+
+    void fullLoad(ScatterSeriesRenderCache *cache, qreal dotScale);
+    void update(ScatterSeriesRenderCache *cache, qreal dotScale);
+};
+
+QT_END_NAMESPACE_DATAVISUALIZATION
+
+#endif