cggl.h

SiftGPU is an implementation of SIFT [1] for GPU. SiftGPU processes pixels parallely to build Gaussi

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#ifndef _cggl_h
#define _cggl_h

#include <Cg/cg.h>

#ifdef _WIN32
# ifndef APIENTRY /* From Win32's <windef.h> */
#  define CGGL_APIENTRY_DEFINED
#  if (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED) || defined(__BORLANDC__) || defined(__LCC__)
#   define APIENTRY    __stdcall
#  else
#   define APIENTRY
#  endif
# endif
# ifndef WINGDIAPI /* From Win32's <wingdi.h> and <winnt.h> */
#  define CGGL_WINGDIAPI_DEFINED
#  define WINGDIAPI __declspec(dllimport)
# endif
#endif /* _WIN32 */

/* Set up for either Win32 import/export/lib. */
#ifndef CGGL_API
# ifdef CGGL_EXPORTS
#  ifdef _WIN32
#   define CGGL_API __declspec(dllexport)
#  elif defined(__GNUC__) && __GNUC__>=4
#   define CGGL_API __attribute__ ((visibility("default")))
#  elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
#   define CGGL_API __global
#  else
#   define CGGL_API
#  endif
# else
#  define CGGL_API
# endif
#endif

#ifndef CGGLENTRY
# ifdef _WIN32
#  define CGGLENTRY __cdecl
# else
#  define CGGLENTRY
# endif
#endif

#ifdef __APPLE__
#include <OpenGL/gl.h>
#else
#include <GL/gl.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

/*****************************************************************************/
/*** cgGL Type Definitions                                                 ***/
/*****************************************************************************/

typedef enum
 {
  CG_GL_MATRIX_IDENTITY = 0,
  CG_GL_MATRIX_TRANSPOSE = 1,
  CG_GL_MATRIX_INVERSE = 2,
  CG_GL_MATRIX_INVERSE_TRANSPOSE = 3,

  CG_GL_MODELVIEW_MATRIX,
  CG_GL_PROJECTION_MATRIX,
  CG_GL_TEXTURE_MATRIX,
  CG_GL_MODELVIEW_PROJECTION_MATRIX,

  CG_GL_VERTEX,
  CG_GL_FRAGMENT,
  CG_GL_GEOMETRY

 } CGGLenum;


#ifndef CGGL_EXPLICIT

/******************************************************************************
 *** Profile Functions                                 
 *****************************************************************************/

CGGL_API CGbool CGGLENTRY cgGLIsProfileSupported(CGprofile profile);

CGGL_API void CGGLENTRY cgGLEnableProfile(CGprofile profile);
CGGL_API void CGGLENTRY cgGLDisableProfile(CGprofile profile);

CGGL_API CGprofile CGGLENTRY cgGLGetLatestProfile(CGGLenum profile_type);
CGGL_API void CGGLENTRY cgGLSetOptimalOptions(CGprofile profile);

/******************************************************************************
 *** Program Managment Functions                                 
 *****************************************************************************/

CGGL_API void CGGLENTRY cgGLLoadProgram(CGprogram program);
CGGL_API void CGGLENTRY cgGLUnloadProgram(CGprogram program);
CGGL_API CGbool CGGLENTRY cgGLIsProgramLoaded(CGprogram program);
CGGL_API void CGGLENTRY cgGLBindProgram(CGprogram program);
CGGL_API void CGGLENTRY cgGLUnbindProgram(CGprofile profile);
CGGL_API GLuint CGGLENTRY cgGLGetProgramID(CGprogram program);

/******************************************************************************
 *** Parameter Managment Functions                                 
 *****************************************************************************/

CGGL_API void CGGLENTRY cgGLSetParameter1f(CGparameter param,
                                    float x);

CGGL_API void CGGLENTRY cgGLSetParameter2f(CGparameter param,
                                    float x,
                                    float y);

CGGL_API void CGGLENTRY cgGLSetParameter3f(CGparameter param,
                                    float x,
                                    float y,
                                    float z);

CGGL_API void CGGLENTRY cgGLSetParameter4f(CGparameter param,
                                    float x,
                                    float y,
                                    float z,
                                    float w);

CGGL_API void CGGLENTRY cgGLSetParameter1fv(CGparameter param, const float *v);

CGGL_API void CGGLENTRY cgGLSetParameter2fv(CGparameter param, const float *v);

CGGL_API void CGGLENTRY cgGLSetParameter3fv(CGparameter param, const float *v);

CGGL_API void CGGLENTRY cgGLSetParameter4fv(CGparameter param, const float *v);

CGGL_API void CGGLENTRY cgGLSetParameter1d(CGparameter param,
                                    double x);

CGGL_API void CGGLENTRY cgGLSetParameter2d(CGparameter param,
                                    double x,
                                    double y);

CGGL_API void CGGLENTRY cgGLSetParameter3d(CGparameter param,
                                    double x,
                                    double y,
                                    double z);

CGGL_API void CGGLENTRY cgGLSetParameter4d(CGparameter param,
                                    double x,
                                    double y,
                                    double z,
                                    double w);

CGGL_API void CGGLENTRY cgGLSetParameter1dv(CGparameter param, const double *v);

CGGL_API void CGGLENTRY cgGLSetParameter2dv(CGparameter param, const double *v);

CGGL_API void CGGLENTRY cgGLSetParameter3dv(CGparameter param, const double *v);

CGGL_API void CGGLENTRY cgGLSetParameter4dv(CGparameter param, const double *v);

CGGL_API void CGGLENTRY cgGLGetParameter1f(CGparameter param, float *v);

CGGL_API void CGGLENTRY cgGLGetParameter2f(CGparameter param, float *v);