MeVisLab/Standard/Sources/Inventor/SoShader/Inventor/nodes/SoMultiPassFramebufferSampler.h

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// **InsertLicense** code



#ifndef  _SO_MULTIPASS_FRAMEBUFFER_SAMPLER_
#define  _SO_MULTIPASS_FRAMEBUFFER_SAMPLER_

#include "SoShaderSystem.h"
#include "Inventor/nodes/SoFramebufferSampler2D.h"
#include <Inventor/fields/SoSFUInt32.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/SbLinear.h>

class SoGLFramebufferObject;
class SoGLTexture;

class INVENTOR_SHADER_API SoMultiPassFramebufferSampler : public SoFramebufferSampler2D
{
   typedef SoFramebufferSampler2D inherited;

   SO_NODE_HEADER(SoMultiPassFramebufferSampler);

   public:

      SoSFUInt32     numPasses;

      SoSFFloat      epsilon;

      SoSFFloat      value;

      SoSFUInt32     id;
      
      SoSFBool       initSamplerCopy;

      SoMultiPassFramebufferSampler();

   SoINTERNAL public:

      static void    initClass();

      unsigned int   curPass() {
         return _curPass;
      }

   SoEXTENDER public:

      SoGLTexture *getCopyColorBuffer() const {
         return _copyColorBuffer;
      }

   protected:

      unsigned int _curPass;
      SbVec2s      _prevSize;
      uint32_t     _prevFormat;

      virtual ~SoMultiPassFramebufferSampler();

      virtual void applyRenderAction(SoState *);

   private:

      SoGLFramebufferObject   *_copyFramebufferObject;
      SoGLTexture               *_copyColorBuffer;
};

#endif  // _SO_MULTIPASS_FRAMEBUFFER_SAMPLER_