/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
 * Copyright (C) 2010 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice including the dates of first publication and
 * either this permission notice or a reference to
 * http://oss.sgi.com/projects/FreeB/
 * shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Except as contained in this notice, the name of Silicon Graphics, Inc.
 * shall not be used in advertising or otherwise to promote the sale, use or
 * other dealings in this Software without prior written authorization from
 * Silicon Graphics, Inc.
 */

#ifndef __TESSELATOR_H__
#define __TESSELATOR_H__

/* This just includes the defines needed by the tesselator code */

#include "cogl/cogl-defines.h"
#include "cogl/cogl-gl-header.h"

typedef struct GLUtesselator GLUtesselator;

#define GLU_TESS_MAX_COORD 1.0e150

void gluBeginPolygon (GLUtesselator* tess);
void gluDeleteTess (GLUtesselator* tess);
void gluEndPolygon (GLUtesselator* tess);

typedef void (_GLUfuncptr)(void);

void gluGetTessProperty (GLUtesselator* tess, GLenum which, double* data);

GLUtesselator *gluNewTess (void);
void gluNextContour (GLUtesselator* tess, GLenum type);

void gluTessBeginContour (GLUtesselator* tess);
void gluTessBeginPolygon (GLUtesselator* tess, GLvoid* data);
void gluTessCallback (GLUtesselator* tess, GLenum which, _GLUfuncptr CallBackFunc);
void gluTessEndContour (GLUtesselator* tess);
void gluTessEndPolygon (GLUtesselator* tess);
void gluTessNormal (GLUtesselator* tess, double valueX, double valueY, double valueZ);
void gluTessProperty (GLUtesselator* tess, GLenum which, double data);
void gluTessVertex (GLUtesselator* tess, double *location, GLvoid* data);

/* ErrorCode */
#define GLU_INVALID_ENUM                   100900
#define GLU_INVALID_VALUE                  100901
#define GLU_OUT_OF_MEMORY                  100902

/* TessCallback */
#define GLU_TESS_BEGIN                     100100
#define GLU_BEGIN                          100100
#define GLU_TESS_VERTEX                    100101
#define GLU_VERTEX                         100101
#define GLU_TESS_END                       100102
#define GLU_END                            100102
#define GLU_TESS_ERROR                     100103
#define GLU_TESS_EDGE_FLAG                 100104
#define GLU_EDGE_FLAG                      100104
#define GLU_TESS_COMBINE                   100105
#define GLU_TESS_BEGIN_DATA                100106
#define GLU_TESS_VERTEX_DATA               100107
#define GLU_TESS_END_DATA                  100108
#define GLU_TESS_ERROR_DATA                100109
#define GLU_TESS_EDGE_FLAG_DATA            100110
#define GLU_TESS_COMBINE_DATA              100111

/* TessContour */
#define GLU_CW                             100120
#define GLU_CCW                            100121
#define GLU_INTERIOR                       100122
#define GLU_EXTERIOR                       100123
#define GLU_UNKNOWN                        100124

/* TessProperty */
#define GLU_TESS_WINDING_RULE              100140
#define GLU_TESS_BOUNDARY_ONLY             100141
#define GLU_TESS_TOLERANCE                 100142

/* TessError */
#define GLU_TESS_ERROR1                    100151
#define GLU_TESS_ERROR2                    100152
#define GLU_TESS_ERROR3                    100153
#define GLU_TESS_ERROR4                    100154
#define GLU_TESS_ERROR5                    100155
#define GLU_TESS_ERROR6                    100156
#define GLU_TESS_ERROR7                    100157
#define GLU_TESS_ERROR8                    100158
#define GLU_TESS_MISSING_BEGIN_POLYGON     100151
#define GLU_TESS_MISSING_BEGIN_CONTOUR     100152
#define GLU_TESS_MISSING_END_POLYGON       100153
#define GLU_TESS_MISSING_END_CONTOUR       100154
#define GLU_TESS_COORD_TOO_LARGE           100155
#define GLU_TESS_NEED_COMBINE_CALLBACK     100156

/* TessWinding */
#define GLU_TESS_WINDING_ODD               100130
#define GLU_TESS_WINDING_NONZERO           100131
#define GLU_TESS_WINDING_POSITIVE          100132
#define GLU_TESS_WINDING_NEGATIVE          100133
#define GLU_TESS_WINDING_ABS_GEQ_TWO       100134

#endif /* __TESSELATOR_H__ */
