FreeWRL/FreeX3D  3.0.0
libtess2.h
1 /*
2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice including the dates of first publication and
13  * either this permission notice or a reference to
14  * http://oss.sgi.com/projects/FreeB/
15  * shall be included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  *
25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
26  * shall not be used in advertising or otherwise to promote the sale, use or
27  * other dealings in this Software without prior written authorization from
28  * Silicon Graphics, Inc.
29  */
30 /* subset of mesa glu.h for tesselation only and using openGL ES 2 header */
31 
32 #ifndef __libtess2_h__
33 #define __libtess2_h__
34 
35 #include <config.h>
36 
37 #if defined (_ANDROID) || defined(ANDROIDNDK) || defined (QNX) || defined (ANGLEPROJECT)
38  #include <GLES2/gl2.h>
39  #define GLdouble double
40 #else
41 // OLD_IPHONE_AQUA #ifdef AQUA
42 // OLD_IPHONE_AQUA #include <OpenGL/gl.h>
43 // OLD_IPHONE_AQUA #else
44  #include <GL/gl.h>
45 // OLD_IPHONE_AQUA #endif
46 #endif
47 
48 
49 #ifndef GLAPIENTRY
50 #if defined(_MSC_VER) || defined(__MINGW32__)
51 #define GLAPIENTRY __stdcall
52 #else
53 #define GLAPIENTRY
54 #endif
55 #endif
56 
57 #ifndef GLAPIENTRYP
58 #define GLAPIENTRYP GLAPIENTRY *
59 #endif
60 
61 #define WANT_STATIC_LIBTESS 1
62 #if defined(_MSC_VER) && defined(WANT_STATIC_LIBTESS)
63 #undef _DLL //pesky thing shouldn't be defined for a static lib but is
64 #endif
65 
66 #if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(BUILD_GLU32)
67 # undef GLAPI
68 # define GLAPI __declspec(dllexport)
69 #elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL)
70 /* tag specifying we're building for DLL runtime support */
71 # undef GLAPI
72 # define GLAPI __declspec(dllimport)
73 #elif !defined(GLAPI)
74 /* for use with static link lib build of Win32 edition only */
75 # define GLAPI extern
76 #endif /* _STATIC_MESA support */
77 
78 #ifdef __cplusplus
79 extern "C" {
80 #endif
81 
82 /*************************************************************/
83 
84 /* Boolean */
85 #define GLU_FALSE 0
86 #define GLU_TRUE 1
87 
88 /* Version */
89 #define GLU_VERSION_1_1 1
90 #define GLU_VERSION_1_2 1
91 #define GLU_VERSION_1_3 1
92 
93 /* StringName */
94 #define GLU_VERSION 100800
95 #define GLU_EXTENSIONS 100801
96 
97 /* ErrorCode */
98 #define GLU_INVALID_ENUM 100900
99 #define GLU_INVALID_VALUE 100901
100 #define GLU_OUT_OF_MEMORY 100902
101 #define GLU_INCOMPATIBLE_GL_VERSION 100903
102 #define GLU_INVALID_OPERATION 100904
103 
104 #define GLU_ERROR 100103
105 
106 /* TessCallback */
107 #define GLU_TESS_BEGIN 100100
108 #define GLU_BEGIN 100100
109 #define GLU_TESS_VERTEX 100101
110 #define GLU_VERTEX 100101
111 #define GLU_TESS_END 100102
112 #define GLU_END 100102
113 #define GLU_TESS_ERROR 100103
114 #define GLU_TESS_EDGE_FLAG 100104
115 #define GLU_EDGE_FLAG 100104
116 #define GLU_TESS_COMBINE 100105
117 #define GLU_TESS_BEGIN_DATA 100106
118 #define GLU_TESS_VERTEX_DATA 100107
119 #define GLU_TESS_END_DATA 100108
120 #define GLU_TESS_ERROR_DATA 100109
121 #define GLU_TESS_EDGE_FLAG_DATA 100110
122 #define GLU_TESS_COMBINE_DATA 100111
123 
124 /* TessContour */
125 #define GLU_CW 100120
126 #define GLU_CCW 100121
127 #define GLU_INTERIOR 100122
128 #define GLU_EXTERIOR 100123
129 #define GLU_UNKNOWN 100124
130 
131 /* TessProperty */
132 #define GLU_TESS_WINDING_RULE 100140
133 #define GLU_TESS_BOUNDARY_ONLY 100141
134 #define GLU_TESS_TOLERANCE 100142
135 
136 /* TessError */
137 #define GLU_TESS_ERROR1 100151
138 #define GLU_TESS_ERROR2 100152
139 #define GLU_TESS_ERROR3 100153
140 #define GLU_TESS_ERROR4 100154
141 #define GLU_TESS_ERROR5 100155
142 #define GLU_TESS_ERROR6 100156
143 #define GLU_TESS_ERROR7 100157
144 #define GLU_TESS_ERROR8 100158
145 #define GLU_TESS_MISSING_BEGIN_POLYGON 100151
146 #define GLU_TESS_MISSING_BEGIN_CONTOUR 100152
147 #define GLU_TESS_MISSING_END_POLYGON 100153
148 #define GLU_TESS_MISSING_END_CONTOUR 100154
149 #define GLU_TESS_COORD_TOO_LARGE 100155
150 #define GLU_TESS_NEED_COMBINE_CALLBACK 100156
151 
152 /* TessWinding */
153 #define GLU_TESS_WINDING_ODD 100130
154 #define GLU_TESS_WINDING_NONZERO 100131
155 #define GLU_TESS_WINDING_POSITIVE 100132
156 #define GLU_TESS_WINDING_NEGATIVE 100133
157 #define GLU_TESS_WINDING_ABS_GEQ_TWO 100134
158 
159 /*************************************************************/
160 
161 
162 #ifdef __cplusplus
163 class GLUtesselator;
164 #else
165 typedef struct GLUtesselator GLUtesselator;
166 #endif
167 
168 typedef GLUtesselator GLUtesselatorObj;
169 typedef GLUtesselator GLUtriangulatorObj;
170 
171 #define GLU_TESS_MAX_COORD 1.0e150
172 
173 /* Internal convenience typedefs */
174 typedef void (GLAPIENTRYP _GLUfuncptr)();
175 
176 GLAPI void GLAPIENTRY gluBeginPolygon (GLUtesselator* tess);
177 GLAPI GLboolean GLAPIENTRY gluCheckExtension (const GLubyte *extName, const GLubyte *extString);
178 GLAPI void GLAPIENTRY gluDeleteTess (GLUtesselator* tess);
179 GLAPI void GLAPIENTRY gluEndPolygon (GLUtesselator* tess);
180 GLAPI const GLubyte * GLAPIENTRY gluErrorString (GLenum error);
181 GLAPI const GLubyte * GLAPIENTRY gluGetString (GLenum name);
182 GLAPI void GLAPIENTRY gluGetTessProperty (GLUtesselator* tess, GLenum which, GLdouble* data);
183 GLAPI GLUtesselator* GLAPIENTRY gluNewTess (void);
184 GLAPI void GLAPIENTRY gluNextContour (GLUtesselator* tess, GLenum type);
185 GLAPI void GLAPIENTRY gluTessBeginContour (GLUtesselator* tess);
186 GLAPI void GLAPIENTRY gluTessBeginPolygon (GLUtesselator* tess, GLvoid* data);
187 GLAPI void GLAPIENTRY gluTessCallback (GLUtesselator* tess, GLenum which, _GLUfuncptr CallBackFunc);
188 GLAPI void GLAPIENTRY gluTessEndContour (GLUtesselator* tess);
189 GLAPI void GLAPIENTRY gluTessEndPolygon (GLUtesselator* tess);
190 GLAPI void GLAPIENTRY gluTessNormal (GLUtesselator* tess, GLdouble valueX, GLdouble valueY, GLdouble valueZ);
191 GLAPI void GLAPIENTRY gluTessProperty (GLUtesselator* tess, GLenum which, GLdouble data);
192 GLAPI void GLAPIENTRY gluTessVertex (GLUtesselator* tess, GLdouble *location, GLvoid* data);
193 
194 #ifdef __cplusplus
195 }
196 #endif
197 
198 #endif /* __libtess2_h__ */