prevent generating repeated information in rendering

Change-Id: I1cc5453af6cabe7736cc43e13aad280aaf2c62f6

3 files changed, 8 insertions, 7 deletions

diff --git a/chart2/source/view/charttypes/GL3DBarChart.cxx b/chart2/source/view/charttypes/GL3DBarChart.cxx
index bc1caee7a815..b129b9f07786 100644
--- a/chart2/source/view/charttypes/GL3DBarChart.cxx
+++ b/chart2/source/view/charttypes/GL3DBarChart.cxx
@@ -296,8 +296,8 @@ void GL3DBarChart::render()
     {
         mpCamera->render();
     }
+    mpRenderer->ProcessUnrenderedShape(mbNeedsNewRender);
     mbNeedsNewRender = false;
-    mpRenderer->ProcessUnrenderedShape();
     mrWindow.getContext()->swapBuffers();
 }
 
diff --git a/chart2/source/view/inc/GL3DRenderer.hxx b/chart2/source/view/inc/GL3DRenderer.hxx
index 4e85568315eb..20fbca98f152 100644
--- a/chart2/source/view/inc/GL3DRenderer.hxx
+++ b/chart2/source/view/inc/GL3DRenderer.hxx
@@ -179,7 +179,7 @@ public:
 
                                  glm::vec2 vTopLeft, glm::vec2 vBottomRight,
                                  sal_uInt32 nUniqueId);
-    void ProcessUnrenderedShape();
+    void ProcessUnrenderedShape(bool bNewScene);
 
     void SetPickingMode(bool bPickingMode);
 
@@ -231,7 +231,7 @@ private:
     void GetBatchMiddleInfo(Extrude3DInfo &extrude3D);
     void InitBatch3DUniformBlock();
     void UpdateBatch3DUniformBlock();
-    void RenderBatchBars();
+    void RenderBatchBars(bool bNewScene);
 private:
 
     struct ShaderResources
diff --git a/chart2/source/view/main/GL3DRenderer.cxx b/chart2/source/view/main/GL3DRenderer.cxx
index ae987aea490c..aded984a43f8 100644
--- a/chart2/source/view/main/GL3DRenderer.cxx
+++ b/chart2/source/view/main/GL3DRenderer.cxx
@@ -1693,7 +1693,7 @@ void OpenGL3DRenderer::CreateSceneBoxView()
                m_CameraInfo.cameraUp);
 }
 
-void OpenGL3DRenderer::ProcessUnrenderedShape()
+void OpenGL3DRenderer::ProcessUnrenderedShape(bool bNewScene)
 {
     glViewport(0, 0, m_iWidth, m_iHeight);
     glClearDepth(1.0f);
@@ -1706,7 +1706,7 @@ void OpenGL3DRenderer::ProcessUnrenderedShape()
     if(mbPickingMode)
         RenderExtrude3DObject();
     else
-        RenderBatchBars();
+        RenderBatchBars(bNewScene);
     //render text
     RenderTextShape();
     // render screen text
@@ -1865,9 +1865,10 @@ void OpenGL3DRenderer::GetBatchBarsInfo()
     }
 }
 
-void OpenGL3DRenderer::RenderBatchBars()
+void OpenGL3DRenderer::RenderBatchBars(bool bNewScene)
 {
-    GetBatchBarsInfo();
+    if(bNewScene)
+        GetBatchBarsInfo();
     glEnable(GL_DEPTH_TEST);
     glEnable(GL_CULL_FACE);
     glCullFace(GL_BACK);