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SoGLShadowCullingElement.h
00001 #ifndef COIN_SOGLSHADOWCULLINGELEMENT_H
00002 #define COIN_SOGLSHADOWCULLINGELEMENT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/elements/SoInt32Element.h>
00028 
00029 class COIN_DLL_API SoGLShadowCullingElement : public SoInt32Element {
00030   typedef SoInt32Element inherited;
00031 
00032   SO_ELEMENT_HEADER(SoGLShadowCullingElement);
00033 public:
00034   static void initClass(void);
00035 protected:
00036   virtual ~SoGLShadowCullingElement();
00037 
00038 public:
00039   enum Mode {
00040     AS_IS_CULLING,
00041     FRONT_FACE_CULLING,
00042     NO_CULLING
00043   };
00044 
00045   virtual void init(SoState * state);
00046   
00047   static void set(SoState * const state, SoNode * const node,
00048                   const int mode);
00049   static int get(SoState * const state);
00050   static int getDefault(void);
00051 
00052   virtual void push(SoState * state);
00053   virtual void pop(SoState * state, const SoElement * prevTopElement);
00054   virtual void setElt(int32_t value);
00055 
00056 private:
00057   void updateGL(int32_t oldvalue, int32_t value);
00058 
00059 };
00060 
00061 #endif // !COIN_SOGLSHADOWCULLINGEELEMENT_H

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