Fixed Geometry::drawImplmentation() handling of VBO's to prevent them…

… from being used when display lists are used.
openscenegraph · Apr 16, 2018 · 9d72bf4 · 9d72bf4
1 parent 1542919
commit 9d72bf4
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/src/osg/Geometry.cpp b/src/osg/Geometry.cpp
@@ -877,6 +877,12 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
 
     State& state = *renderInfo.getState();
 
+    bool usingVertexBufferObjects = state.useVertexBufferObject(_supportsVertexBufferObjects && _useVertexBufferObjects);
+    bool usingVertexArrayObjects = usingVertexBufferObjects && state.useVertexArrayObject(_useVertexArrayObject);
+
+    osg::VertexArrayState* vas = state.getCurrentVertexArrayState();
+    vas->setVertexBufferObjectSupported(usingVertexBufferObjects);
+
     bool checkForGLErrors = state.getCheckForGLErrors()==osg::State::ONCE_PER_ATTRIBUTE;
     if (checkForGLErrors) state.checkGLErrors("start of Geometry::drawImplementation()");
 
@@ -892,13 +898,9 @@ void Geometry::drawImplementation(RenderInfo& renderInfo) const
 
     drawPrimitivesImplementation(renderInfo);
 
-    bool usingVertexBufferObjects = state.useVertexBufferObject(_supportsVertexBufferObjects && _useVertexBufferObjects);
-    bool usingVertexArrayObjects = usingVertexBufferObjects && state.useVertexArrayObject(_useVertexArrayObject);
-
     if (usingVertexBufferObjects && !usingVertexArrayObjects)
     {
         // unbind the VBO's if any are used.
-        osg::VertexArrayState* vas = state.getCurrentVertexArrayState();
         vas->unbindVertexBufferObject();
         vas->unbindElementBufferObject();
     }