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Coin / include / Inventor / nodes / SoShaderObject.h

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#ifndef COIN_SOSHADEROBJECT_H
#define COIN_SOSHADEROBJECT_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
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 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
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 * Redistributions in binary form must reproduce the above copyright
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 * this software without specific prior written permission.
 * 
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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*/