SoShaderObject.h

#ifndef COIN_SOSHADEROBJECT_H
#define COIN_SOSHADEROBJECT_H
 
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#include <Inventor/nodes/SoNode.h>
#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/fields/SoSFString.h>
#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/fields/SoMFNode.h>
#include <Inventor/C/glue/gl.h>
 
class SoGLShaderObject;
class SoGLShaderProgram;
class SoState;
 
// *************************************************************************
 
class COIN_DLL_API SoShaderObject : public SoNode {
  typedef SoNode inherited;
  SO_NODE_ABSTRACT_HEADER(SoShaderObject);
 
public:
  enum SourceType {
    ARB_PROGRAM,
    CG_PROGRAM,
    GLSL_PROGRAM,
    FILENAME
  };
 
  SoSFBool isActive;
  SoSFEnum sourceType;
  SoSFString sourceProgram;
  // FIXME: this field is an SoMFUniformShaderParameter in TGS
  // Inventor. We should also implement that field. 20050125 mortene.
  SoMFNode parameter;
 
  static void initClass(void);
 
  virtual void GLRender(SoGLRenderAction * action);
  virtual void search(SoSearchAction * action);
 
  void updateParameters(SoState * state);
 
  SourceType getSourceType(void) const;
  SbString getSourceProgram(void) const;
 
protected:
  SoShaderObject(void);
  virtual ~SoShaderObject();
  virtual SbBool readInstance(SoInput * in, unsigned short flags);
 
private:
  class SoShaderObjectP * pimpl;
};
 
#endif /* ! COIN_SOSHADEROBJECT_H*/