SoHardwareQuery.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_HARDWARE_QUERY_
#define  _SO_HARDWARE_QUERY_
 
#ifdef _WIN32
#pragma warning(disable:4251)
#pragma warning(disable:4244)
#endif
 
#include <Inventor/nodes/SoNode.h>
 
class  SoHardwareQuery : public SoNode {
  SO_NODE_ABSTRACT_HEADER( SoHardwareQuery );
 
 public:
  // Hardware Query section
   SoHardwareQuery();
 
  enum HW_Feature {
    HW_3DTEXMAP,
    HW_TEXCOLORMAP,
    HW_TEXCOMPRESSION
  };
  enum HW_SupportStatus {
    NO,
    YES,
    UNKNOWN
  };
 
  static HW_SupportStatus isSupported( HW_Feature feature );
 
  private:
    static void initClass();
    static void exitClass();
 
  // ------------------------------------------------------------
  // OpenGL Extensions
  static void    checkOGLExtensions();
  static SbBool _OGLExtensionsChecked;
  static void   (*_GlTexImage3D)();
  static void   (*_GlTexSubImage3D)();
  static void   (*_GlColorTable)();
  static void   (*_GlBlendEquation)();
  static int    _hasSharedPalette;
  static int    _palettedTexType;
  static int    _GlTexInternalFormat;
  static int    _GlTexFormat;
  static int    _GlLutTarget;
  static int    _GlLutInternalFormat;
  static int    _hasCompressedTexture;
  static int    _GlTexRGBAInternalFormat;
  static int    _hasFragmentProgram;
  static int    _hasTextureExtension;
};
#endif // _SO_HARDWARE_QUERY_