diff --git a/include/osg/GLExtensions b/include/osg/GLExtensions
index f78aa9a47..a5df2de42 100644
--- a/include/osg/GLExtensions
+++ b/include/osg/GLExtensions
@@ -434,7 +434,6 @@ class OSG_EXPORT GLExtensions : public osg::Referenced
         bool isShadowAmbientSupported;
         bool isTextureMaxLevelSupported;
         GLint maxTextureSize;
-        bool _isTextureStorageEnabled;
         bool isClientStorageSupported;
         bool isTextureIntegerEXTSupported;
         bool isTextureStorageEnabled;
diff --git a/src/osg/GLExtensions.cpp b/src/osg/GLExtensions.cpp
index 3c37fe8c7..274376362 100644
--- a/src/osg/GLExtensions.cpp
+++ b/src/osg/GLExtensions.cpp
@@ -690,6 +690,8 @@ GLExtensions::GLExtensions(unsigned int contextID)
     isTBOSupported = validContext && osg::isGLExtensionSupported(contextID,"GL_ARB_texture_buffer_object");
     isVAOSupported = validContext && osg::isGLExtensionSupported(contextID, "GL_ARB_vertex_array_object");
     isTransformFeedbackSupported = validContext && osg::isGLExtensionSupported(contextID, "GL_ARB_transform_feedback2");
+    isBufferObjectSupported = isPBOSupported && isVAOSupported;
+
 
     // BlendFunc extensions
     isBlendFuncSeparateSupported = validContext &&
@@ -722,6 +724,7 @@ GLExtensions::GLExtensions(unsigned int contextID)
     setGLExtensionFuncPtr(glMultiTexCoord3fv, "glMultiTexCoord3fv","glMultiTexCoord3fvARB", validContext);
     setGLExtensionFuncPtr(glMultiTexCoord4fv, "glMultiTexCoord4fv","glMultiTexCoord4fvARB", validContext);
     setGLExtensionFuncPtr(glMultiTexCoord1d, "glMultiTexCoord1d","glMultiTexCoorddfARB", validContext);
+    setGLExtensionFuncPtr(glMultiTexCoord1dv, "glMultiTexCoord1dv","glMultiTexCoord1dvARB", validContext);
     setGLExtensionFuncPtr(glMultiTexCoord2dv, "glMultiTexCoord2dv","glMultiTexCoord2dvARB", validContext);
     setGLExtensionFuncPtr(glMultiTexCoord3dv, "glMultiTexCoord3dv","glMultiTexCoord3dvARB", validContext);
     setGLExtensionFuncPtr(glMultiTexCoord4dv, "glMultiTexCoord4dv","glMultiTexCoord4dvARB", validContext);