Set the osg::Material on the terrain root node

components/terrain/material.cpp

@@ -154,10 +154,6 @@ namespace Terrain
         , mBlendmapScale(blendmapScale)
         , mLayerTileSize(layerTileSize)
     {
-        osg::ref_ptr<osg::Material> material (new osg::Material);
-        material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
-        getOrCreateStateSet()->setAttributeAndModes(material, osg::StateAttribute::ON);
-
         selectTechnique(0);
     }
 

components/terrain/terraingrid.cpp

@@ -3,6 +3,7 @@
 #include <memory>
 
 #include <osg/UserDataContainer>
+#include <osg/Material>
 
 #include <OpenThreads/ScopedLock>
 
@@ -56,6 +57,9 @@ TerrainGrid::TerrainGrid(osg::Group* parent, Resource::ResourceSystem* resourceS
     , mCache((storage->getCellVertices()-1)/static_cast<float>(mNumSplits) + 1)
     , mUnrefQueue(unrefQueue)
 {
+    osg::ref_ptr<osg::Material> material (new osg::Material);
+    material->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
+    mTerrainRoot->getOrCreateStateSet()->setAttributeAndModes(material, osg::StateAttribute::ON);
 }
 
 TerrainGrid::~TerrainGrid()