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extern void gluLookAt( GLdouble eyex, GLdouble eyey, GLdouble eyez,
GLdouble centerx, GLdouble centery,
GLdouble centerz,
GLdouble upx, GLdouble upy, GLdouble upz );
extern void gluOrtho2D( GLdouble left, GLdouble right,
GLdouble bottom, GLdouble top );
extern void gluPerspective( GLdouble fovy, GLdouble aspect,
GLdouble zNear, GLdouble zFar );
extern void gluPickMatrix( GLdouble x, GLdouble y,
GLdouble width, GLdouble height,
const GLint viewport[4] );
extern GLint gluProject( GLdouble objx, GLdouble objy, GLdouble objz,
const GLdouble modelMatrix[16],
const GLdouble projMatrix[16],
const GLint viewport[4],
GLdouble *winx, GLdouble *winy,
GLdouble *winz );
extern GLint gluUnProject( GLdouble winx, GLdouble winy,
GLdouble winz,
const GLdouble modelMatrix[16],
const GLdouble projMatrix[16],
const GLint viewport[4],
GLdouble *objx, GLdouble *objy,
GLdouble *objz );
extern GLint gluScaleImage( GLenum format,
GLsizei widthin, GLsizei heightin,
GLenum typein, const char *datain,
GLsizei widthout, GLsizei heightout,
GLenum typeout, char *dataout );
extern GLint gluBuild1DMipmaps( GLenum target, GLint components,
GLint width, GLenum format,
GLenum type, const void *data );
extern GLint gluBuild2DMipmaps( GLenum target, GLint components,
GLint width, GLint height,
GLenum format,
GLenum type, const void *data );
extern GLUquadricObj* gluNewQuadric( void );
extern void gluQuadricDrawStyle( GLUquadricObj *quadObject,
GLenum drawStyle );
extern void gluQuadricOrientation( GLUquadricObj *quadObject,
GLenum orientation );
extern void gluQuadricNormals( GLUquadricObj *quadObject,
GLenum normals );
extern void gluQuadricTexture( GLUquadricObj *quadObject,
GLboolean textureCoords );
extern void gluCylinder( GLUquadricObj *qobj,
GLdouble baseRadius,
GLdouble topRadius,
GLdouble height,
GLint slices, GLint stacks );
extern void gluSphere( GLUquadricObj *qobj,
GLdouble radius, GLint slices,
GLint stacks );
extern void gluDisk( GLUquadricObj *qobj,
GLdouble innerRadius, GLdouble outerRadius,
GLint slices, GLint loops );
extern void gluPartialDisk( GLUquadricObj *qobj, GLdouble innerRadius,
GLdouble outerRadius, GLint slices,
GLint loops, GLdouble startAngle,
GLdouble sweepAngle );
extern GLUnurbsObj* gluNewNurbsRenderer( void );
extern void gluLoadSamplingMatrices( GLUnurbsObj *nobj,
const GLfloat modelMatrix[16],
const GLfloat projMatrix[16],
const GLint viewport[4] );
extern void gluNurbsProperty( GLUnurbsObj *nobj, GLenum property,
GLfloat value );
extern void gluGetNurbsProperty( GLUnurbsObj *nobj, GLenum property,
GLfloat *value );
extern void gluBeginCurve( GLUnurbsObj *nobj );
extern void gluEndCurve( GLUnurbsObj * nobj );
extern void gluNurbsCurve( GLUnurbsObj *nobj, GLint nknots,
GLfloat *knot, GLint stride,
GLfloat *ctlarray, GLint order,
GLenum type );
extern void gluBeginSurface( GLUnurbsObj *nobj );
extern void gluEndSurface( GLUnurbsObj * nobj );
extern void gluNurbsSurface( GLUnurbsObj *nobj,
GLint sknot_count, GLfloat *sknot,
GLint tknot_count, GLfloat *tknot,
GLint s_stride, GLint t_stride,
GLfloat *ctlarray,
GLint sorder, GLint torder,
GLenum type );
extern void gluBeginTrim( GLUnurbsObj *nobj );
extern void gluEndTrim( GLUnurbsObj *nobj );
extern void gluPwlCurve( GLUnurbsObj *nobj, GLint count,
GLfloat *array, GLint stride,
GLenum type );
extern GLUtesselator* gluNewTess( void );
extern void gluTessBeginPolygon( GLUtesselator *tobj,
void *polygon_data );
extern void gluTessBeginContour( GLUtesselator *tobj );
extern void gluTessVertex( GLUtesselator *tobj, GLdouble coords[3],
void *vertex_data );
extern void gluTessEndContour( GLUtesselator *tobj );
extern void gluTessEndPolygon( GLUtesselator *tobj );
extern void gluTessProperty( GLUtesselator *tobj, GLenum which,
GLdouble value );
extern void gluTessNormal( GLUtesselator *tobj, GLdouble x,
GLdouble y, GLdouble z );
extern void gluGetTessProperty( GLUtesselator *tobj, GLenum which,
GLdouble *value );
extern void gluBeginPolygon( GLUtesselator *tobj );
extern void gluNextContour( GLUtesselator *tobj, GLenum type );
extern void gluEndPolygon( GLUtesselator *tobj );
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