Change custom labels to use label shader

This fixes the problem with specular highlight making camera-facing
labels unreadable.

Task-number: QTRD-3276
Change-Id: If16424b07a1f3362428980353c5fb5213c33d06b
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/datavisualization/engine/abstract3drenderer_p.h b/src/datavisualization/engine/abstract3drenderer_p.h
index 2072314b..a46e6176 100644
--- a/src/datavisualization/engine/abstract3drenderer_p.h
+++ b/src/datavisualization/engine/abstract3drenderer_p.h
@@ -98,6 +98,8 @@ public:
                                           const QString &sliceShader,
                                           const QString &sliceFrameVertexShader,
                                           const QString &sliceFrameShader);
+    virtual void initLabelShaders(const QString &vertexShader, const QString &fragmentShader);
+
     virtual void updateAxisType(QAbstract3DAxis::AxisOrientation orientation,
                                 QAbstract3DAxis::AxisType type);
     virtual void updateAxisTitle(QAbstract3DAxis::AxisOrientation orientation,
@@ -253,6 +255,7 @@ protected:
     ShaderHelper *m_volumeTextureLowDefShader;
     ShaderHelper *m_volumeTextureSliceShader;
     ShaderHelper *m_volumeSliceFrameShader;
+    ShaderHelper *m_labelShader;
 
     bool m_useOrthoProjection;
     bool m_xFlipped;