diff --git a/src/osg/State.cpp b/src/osg/State.cpp
index 1f0d3d540..4b94c0398 100644
--- a/src/osg/State.cpp
+++ b/src/osg/State.cpp
@@ -292,6 +292,41 @@ void State::initializeExtensionProcs()
     ADDMODE(GL_LIGHT6)
     ADDMODE(GL_LIGHT7)
 
+    ADDMODE(GL_TEXTURE_1D)
+    ADDMODE(GL_TEXTURE_2D)
+    ADDMODE(GL_TEXTURE_3D)
+    ADDMODE(GL_TEXTURE_RECTANGLE)
+    ADDMODE(GL_TEXTURE_2D_MULTISAMPLE)
+    ADDMODE(GL_TEXTURE_2D_ARRAY)
+
+    ADDMODE(GL_TEXTURE0)
+    ADDMODE(GL_TEXTURE1)
+    ADDMODE(GL_TEXTURE2)
+    ADDMODE(GL_TEXTURE3)
+    ADDMODE(GL_TEXTURE4)
+    ADDMODE(GL_TEXTURE5)
+    ADDMODE(GL_TEXTURE6)
+    ADDMODE(GL_TEXTURE7)
+
+    ADDMODE(GL_TEXTURE_GEN_S)
+    ADDMODE(GL_TEXTURE_GEN_T)
+    ADDMODE(GL_TEXTURE_GEN_R)
+    ADDMODE(GL_TEXTURE_GEN_Q)
+
+    ADDMODE(GL_ALPHA_TEST)
+
+    ADDMODE(GL_CLIP_PLANE0)
+    ADDMODE(GL_CLIP_PLANE1)
+    ADDMODE(GL_CLIP_PLANE2)
+    ADDMODE(GL_CLIP_PLANE3)
+    ADDMODE(GL_CLIP_PLANE4)
+    ADDMODE(GL_CLIP_PLANE5)
+
+    ADDMODE(GL_FOG)
+
+    ADDMODE(GL_COLOR_MATERIAL)
+
+
 }
 
 void State::releaseGLObjects()