diff --git a/readerwriter/LoadSceneGLTF.cpp b/readerwriter/LoadSceneGLTF.cpp
index 6af8f9694482e03502e9b7ac8933a49c867cb638..ea7600602dbb04ca1589adfaf1233d65ca1ddc73 100644
--- a/readerwriter/LoadSceneGLTF.cpp
+++ b/readerwriter/LoadSceneGLTF.cpp
@@ -793,10 +793,29 @@ namespace osgVerse
         }
 
         if (normalID >= 0) createTexture(ss, 1, uniformNames[1], _modelDef.textures[normalID]);
-        if (roughnessID >= 0) createTexture(ss, 3, uniformNames[3], _modelDef.textures[roughnessID]);
+        if (roughnessID >= 0)
+            createTexture(ss, 3, uniformNames[3], _modelDef.textures[roughnessID]);
+        else
+        {
+            osg::Texture2D* tex2D = createDefaultTextureForColor(osg::Vec4(
+                1.0, material.pbrMetallicRoughness.roughnessFactor,
+                material.pbrMetallicRoughness.metallicFactor, 1.0));
+            if (tex2D) ss->setTextureAttributeAndModes(3, tex2D);
+        }
         if (occlusionID >= 0) createTexture(ss, 4, uniformNames[4], _modelDef.textures[occlusionID]);
-        if (emissiveID >= 0) createTexture(ss, 5, uniformNames[5], _modelDef.textures[emissiveID]);
-
+        if (emissiveID >= 0)
+            createTexture(ss, 5, uniformNames[5], _modelDef.textures[emissiveID]);
+        else
+        {
+            osg::Texture2D* tex2D = createDefaultTextureForColor(osg::Vec4(
+                material.emissiveFactor[0], material.emissiveFactor[1],
+                material.emissiveFactor[2], 1.0));
+            if (tex2D) ss->setTextureAttributeAndModes(5, tex2D);
+        }
+        if (material.doubleSided)
+            ss->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
+        else
+            ss->setMode(GL_CULL_FACE, osg::StateAttribute::ON);
         if (material.alphaMode.compare("BLEND") == 0)
             ss->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
         else