From 0ebf005ac1f35493cd5563ad7e04f612360e2b6c Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Mon, 1 Sep 2003 11:23:29 +0000
Subject: [PATCH] Added a call to disable all vertex attrib arrays when none
 are present on an osg::Geometry.

---
 src/osg/Geometry.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/osg/Geometry.cpp b/src/osg/Geometry.cpp
index 9f996332d..9f170f683 100644
--- a/src/osg/Geometry.cpp
+++ b/src/osg/Geometry.cpp
@@ -940,7 +940,8 @@ void Geometry::drawImplementation(State& state) const
     typedef std::map< Geometry::AttributeBinding, DrawVertexAttribList> DrawVertexAttribMap;
     DrawVertexAttribMap drawVertexAttribMap;
     
-    bool handleVertexAttributes = (!_vertexAttribList.empty() && extensions->isVertexProgramSupported());
+    bool vertexVertexAttributesSupported = extensions->isVertexProgramSupported();
+    bool handleVertexAttributes = (!_vertexAttribList.empty() && vertexVertexAttributesSupported);
 
     bool usingVertexBufferObjects = _useVertexBufferObjects && state.isVertexBufferObjectSupported();
     
@@ -1134,6 +1135,11 @@ void Geometry::drawImplementation(State& state) const
                     }
                 }
                 state.disableVertexAttribPointersAboveAndIncluding( index );
+                
+            }
+            else if (vertexVertexAttributesSupported)
+            {
+                state.disableVertexAttribPointersAboveAndIncluding( 0 );
             }
 
 
@@ -1216,6 +1222,11 @@ void Geometry::drawImplementation(State& state) const
                     }
                 }
                 state.disableVertexAttribPointersAboveAndIncluding( index );
+                
+            }
+            else if (vertexVertexAttributesSupported)
+            {
+                state.disableVertexAttribPointersAboveAndIncluding( 0 );
             }
         }