MeVisLab/Standard/Sources/Inventor/SoShader/Inventor/elements/SoSamplerInfoElement.h

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// **InsertLicense** code



#ifndef  _SO_SAMPLER_INFO_ELEMENT_
#define  _SO_SAMPLER_INFO_ELEMENT_

#include "SoShaderSystem.h"
#include <Inventor/elements/SoAccumulatedElement.h>
#include <list>
#include <limits.h>

class SbSamplerInfo
{
   public:

      enum TextureType {
         TT_FLOAT,
         TT_INTEGER,
      };
   
      SbString name;
      SbBool valid;
      TextureType type;
   
      SbSamplerInfo() {
         valid = FALSE;
      }
      SbSamplerInfo(const SbString &name, TextureType type) {
         this->valid = TRUE;
         this->name = name;
         this->type = type;
      }
   
      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:

      virtual void   init(SoState *state);
      
      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);

      virtual void   push(SoState *state);

   SoINTERNAL public:
  
      static  void   initClass();

   protected:

      std::list<SbSamplerInfo> _info;
};

#endif  // _SO_SAMPLER_INFO_ELEMENT_