Remove separate depth texture for surface shadows

Use the same depth texture for the backwall and the surfaces. No need
to any culled texture.

Task-number: QTRD-3160
Change-Id: I7a4e8aa61b98d5264a92173174e911e50af8d52a
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/src/datavisualization/engine/surface3drenderer_p.h b/src/datavisualization/engine/surface3drenderer_p.h
index b02bd456..090fe8a9 100644
--- a/src/datavisualization/engine/surface3drenderer_p.h
+++ b/src/datavisualization/engine/surface3drenderer_p.h
@@ -61,7 +61,6 @@ private:
     float m_scaleX;
     float m_scaleY;
     float m_scaleZ;
-    GLuint m_depthModelTexture;
     GLuint m_depthFrameBuffer;
     GLuint m_selectionFrameBuffer;
     GLuint m_selectionDepthBuffer;