#ifndef COIN_SOALPHATEST_H
#define COIN_SOALPHATEST_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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\**************************************************************************/

#include <Inventor/fields/SoSFEnum.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/nodes/SoSubNode.h>

class COIN_DLL_API SoAlphaTest : public SoNode {
  typedef SoNode inherited;

  SO_NODE_HEADER(SoAlphaTest);

public:
  static void initClass(void);
  SoAlphaTest(void);

  enum Function {
      NONE,
      NEVER,
      ALWAYS,
      LESS,
      LEQUAL,
      EQUAL,
      GEQUAL,
      GREATER,
      NOTEQUAL
  };

  SoSFEnum function;
  SoSFFloat value;

  virtual void GLRender(SoGLRenderAction * action);

protected:
  virtual ~SoAlphaTest();

}; // SoAlphaTest

#endif // !COIN_SOALPHATEST_H
