Optimize multiple series rendering.

Cache all series instead of just the visible ones on all graphs
instead of just surface.
Changes to one series now trigger data update to only the affected
series, which should significantly improve performance in these
cases.

Task-number: QTRD-2600
Task-number: QTRD-2957

Change-Id: I6db7c689108fce8d25aace6682a193936d6f0eaf
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/src/datavisualization/engine/seriesrendercache_p.h b/src/datavisualization/engine/seriesrendercache_p.h
index a6ae03cf..8536d501 100644
--- a/src/datavisualization/engine/seriesrendercache_p.h
+++ b/src/datavisualization/engine/seriesrendercache_p.h
@@ -41,10 +41,10 @@ class TextureHelper;
 class SeriesRenderCache
 {
 public:
-    SeriesRenderCache();
+    SeriesRenderCache(QAbstract3DSeries *series, Abstract3DRenderer *renderer);
     virtual ~SeriesRenderCache();
 
-    void populate(QAbstract3DSeries *series, Abstract3DRenderer *renderer);
+    virtual void populate(bool newSeries);
     virtual void cleanup(TextureHelper *texHelper);
 
     // NOTE: Series pointer can only be used to access the series when syncing with controller.
@@ -66,6 +66,11 @@ public:
     inline const GLuint &multiHighlightGradientTexture() const { return m_multiHighlightGradientTexture; }
     inline const QString &name() const { return m_name; }
     inline const QString &itemLabel() const { return m_itemLabel; }
+    inline void setValid(bool valid) { m_valid = valid; }
+    inline bool isValid() const { return m_valid; }
+    inline bool isVisible() const { return m_visible; }
+    inline void setDataDirty(bool state) { m_objectDirty = state; }
+    inline bool dataDirty() const { return m_objectDirty; }
 
 protected:
     QAbstract3DSeries *m_series;
@@ -85,6 +90,10 @@ protected:
 
     QString m_name;
     QString m_itemLabel;
+    bool m_valid;
+    bool m_visible;
+    Abstract3DRenderer *m_renderer;
+    bool m_objectDirty;
 };
 
 QT_END_NAMESPACE_DATAVISUALIZATION