// Filename: glVertexBufferContext_src.h
// Created by:  drose (17Mar05)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////

#include "pandabase.h"
#include "vertexBufferContext.h"
#include "deletedChain.h"

class CLP(GraphicsStateGuardian);

////////////////////////////////////////////////////////////////////
//       Class : GLVertexBufferContext
// Description : Caches a GeomVertexArrayData on the GL as a buffer
//               object.
////////////////////////////////////////////////////////////////////
class EXPCL_GL CLP(VertexBufferContext) : public VertexBufferContext {
public:
  INLINE CLP(VertexBufferContext)(CLP(GraphicsStateGuardian) *glgsg,
                                  PreparedGraphicsObjects *pgo, 
                                  GeomVertexArrayData *data);
  ALLOC_DELETED_CHAIN(CLP(VertexBufferContext));

  virtual void evict_lru();

  CLP(GraphicsStateGuardian) *_glgsg;

  // This is the GL "name" of the data object.
  GLuint _index;

public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    VertexBufferContext::init_type();
    register_type(_type_handle, CLASSPREFIX_QUOTED "VertexBufferContext",
                  VertexBufferContext::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}

private:
  static TypeHandle _type_handle;
};

#include "glVertexBufferContext_src.I"