0028789: Visualization, TKV3d - extend API for accessing and assigning BVH builders

[occt.git] / src / OpenGl / OpenGl_Layer.hxx

diff --git a/src/OpenGl/OpenGl_Layer.hxx b/src/OpenGl/OpenGl_Layer.hxx
index 57edf25..f04a3a8 100644 (file)
--- a/src/OpenGl/OpenGl_Layer.hxx
+++ b/src/OpenGl/OpenGl_Layer.hxx
@@ -41,16 +41,24 @@ typedef NCollection_IndexedMap<const OpenGl_Structure*> OpenGl_IndexedMapOfStruc
 typedef NCollection_Array1<OpenGl_IndexedMapOfStructure> OpenGl_ArrayOfIndexedMapOfStructure;
 
 //! Presentations list sorted within priorities.
-class OpenGl_Layer
+class OpenGl_Layer : public Standard_Transient
 {
+  DEFINE_STANDARD_RTTIEXT(OpenGl_Layer, Standard_Transient)
 public:
 
   //! Initializes associated priority list and layer properties
-  OpenGl_Layer (const Standard_Integer theNbPriorities = 11);
+  OpenGl_Layer (const Standard_Integer theNbPriorities,
+                const Handle(Select3D_BVHBuilder3d)& theBuilder);
 
   //! Destructor.
   virtual ~OpenGl_Layer();
 
+  //! Returns BVH tree builder for frustom culling.
+  const Handle(Select3D_BVHBuilder3d)& FrustumCullingBVHBuilder() const { return myBVHPrimitivesTrsfPers.Builder(); }
+
+  //! Assigns BVH tree builder for frustom culling.
+  void SetFrustumCullingBVHBuilder (const Handle(Select3D_BVHBuilder3d)& theBuilder) { myBVHPrimitivesTrsfPers.SetBuilder (theBuilder); }
+
   //! Return true if layer was marked with immediate flag.
   Standard_Boolean IsImmediate() const  { return myLayerSettings.IsImmediate(); }