SoSamplerInfoElement.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef SO_SAMPLER_INFO_ELEMENT_H
#define SO_SAMPLER_INFO_ELEMENT_H
 
 
 
#include "SoShaderSystem.h"
#include <Inventor/elements/SoAccumulatedElement.h>
#include <climits>
#include <list>
 
class SbSamplerInfo
{
   public:
 
      enum TextureType {
         TT_FLOAT,
         TT_INTEGER,
      };
 
      SbString name;
      SbBool valid;
      TextureType type;
 
      SbSamplerInfo() {
         valid = FALSE;
      }
      SbSamplerInfo(const SbString &aName, TextureType aType) {
         this->valid = TRUE;
         this->name = aName;
         this->type = aType;
      }
 
      SbBool isValid() const {
         return valid;
      }
 
      int operator==(const SbSamplerInfo &i) const {
         return (name == i.name);
      }
};
 
class INVENTOR_SHADER_API SoSamplerInfoElement : public SoAccumulatedElement
{
   typedef SoAccumulatedElement inherited;
 
   SO_ELEMENT_HEADER(SoSamplerInfoElement);
 
   public:
 
      void   init(SoState *state) override;
 
      static  void   add(SoState *state, SoNode *node, const SbSamplerInfo &info);
 
      static  void   set(SoState *state, SoNode *node, const SbSamplerInfo &info);
 
      static  void   clear(SoState *state, SoNode *node);
 
      static  const SbSamplerInfo &get(SoState *state);
 
      void   push(SoState *state) override;
 
   SoINTERNAL public:
 
      static  void   initClass();
 
   protected:
 
      std::list<SbSamplerInfo> _info;
};
 
#endif  // _SO_SAMPLER_INFO_ELEMENT_