1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
22/* Pixel storage modes, used by gluScaleImage */
23struct OSG_EXPORT PixelStorageModes
25 // sets defaults as per glGet docs in OpenGL red book
28 // use glGet's to retrieve all the current settings
29 void retrieveStoreModes();
31 // use glGet's to retrieve all the current 3D settings
32 void retrieveStoreModes3D();
35 GLint pack_row_length;
37 GLint pack_skip_pixels;
39 GLint pack_swap_bytes;
40 GLint pack_skip_images;
41 GLint pack_image_height;
43 GLint unpack_alignment;
44 GLint unpack_row_length;
45 GLint unpack_skip_rows;
46 GLint unpack_skip_pixels;
47 GLint unpack_lsb_first;
48 GLint unpack_swap_bytes;
49 GLint unpack_skip_images;
50 GLint unpack_image_height;
53extern OSG_EXPORT const GLubyte * gluErrorString (GLenum error);
55/** OSG specific gluScaleImage function that allows you to pass in the PixelStoreModes, which
56 * enables the code to avoid glGet's that are associated with the conventional gluScaleImage function.
57 * Avoiding glGet's allows this gluScaleImage function to be called at any time, from any thread, there
58 * is no need to have a graphics context current.*/
59extern OSG_EXPORT GLint gluScaleImage (PixelStorageModes* psm, GLenum format, GLsizei wIn, GLsizei hIn, GLenum typeIn, const void *dataIn, GLsizei wOut, GLsizei hOut, GLenum typeOut, GLvoid* dataOut);
61/** Traditional GLU gluScaleImage function that sets up the PixelStoreModes automatically by doing glGets.;
62 * The use of glGet's means that you can only call this function from a thread with a valid graphics context.
63 * The use of glGet's will also result in lower performance due to the round trip to the OpenGL driver.*/
64extern OSG_EXPORT GLint gluScaleImage (GLenum format, GLsizei wIn, GLsizei hIn, GLenum typeIn, const void *dataIn, GLsizei wOut, GLsizei hOut, GLenum typeOut, GLvoid* dataOut);
66extern OSG_EXPORT GLint gluBuild1DMipmapLevels (GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void *data);
67extern OSG_EXPORT GLint gluBuild1DMipmaps (GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, const void *data);
68extern OSG_EXPORT GLint gluBuild2DMipmapLevels (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void *data);
69extern OSG_EXPORT GLint gluBuild2DMipmaps (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *data);
71typedef void (GL_APIENTRY * GLTexImage3DProc) ( GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
73/** Small variation on normal gluBuild3DMipmapLevels as we pass in the function pointer to glTexImage3D rather than rely on GLU style query for this function pointer.*/
74extern OSG_EXPORT GLint gluBuild3DMipmapLevels (GLTexImage3DProc glTextImage3DProc, GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void *data);
76/** Small variation on normal gluBuild3DMipmapLevels as we pass in the function pointer to glTexImage3D rather than rely on GLU style query for this function pointer.*/
77extern OSG_EXPORT GLint gluBuild3DMipmaps (GLTexImage3DProc glTextImage3DProc, GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data);
80#define GLU_INVALID_ENUM 100900
81#define GLU_INVALID_VALUE 100901
82#define GLU_OUT_OF_MEMORY 100902
83#define GLU_INCOMPATIBLE_GL_VERSION 100903
84#define GLU_INVALID_OPERATION 100904
91#define GLU_POINT 100010
92#define GLU_LINE 100011
93#define GLU_FILL 100012
94#define GLU_SILHOUETTE 100013
100#define GLU_SMOOTH 100000
101#define GLU_FLAT 100001
102#define GLU_NONE 100002
104/* QuadricOrientation */
105#define GLU_OUTSIDE 100020
106#define GLU_INSIDE 100021
109#define GLU_TESS_BEGIN 100100
110#define GLU_BEGIN 100100
111#define GLU_TESS_VERTEX 100101
112#define GLU_VERTEX 100101
113#define GLU_TESS_END 100102
114#define GLU_END 100102
115#define GLU_TESS_ERROR 100103
116#define GLU_TESS_EDGE_FLAG 100104
117#define GLU_EDGE_FLAG 100104
118#define GLU_TESS_COMBINE 100105
119#define GLU_TESS_BEGIN_DATA 100106
120#define GLU_TESS_VERTEX_DATA 100107
121#define GLU_TESS_END_DATA 100108
122#define GLU_TESS_ERROR_DATA 100109
123#define GLU_TESS_EDGE_FLAG_DATA 100110
124#define GLU_TESS_COMBINE_DATA 100111
128#define GLU_CCW 100121
129#define GLU_INTERIOR 100122
130#define GLU_EXTERIOR 100123
131#define GLU_UNKNOWN 100124
134#define GLU_TESS_WINDING_RULE 100140
135#define GLU_TESS_BOUNDARY_ONLY 100141
136#define GLU_TESS_TOLERANCE 100142
139#define GLU_TESS_ERROR1 100151
140#define GLU_TESS_ERROR2 100152
141#define GLU_TESS_ERROR3 100153
142#define GLU_TESS_ERROR4 100154
143#define GLU_TESS_ERROR5 100155
144#define GLU_TESS_ERROR6 100156
145#define GLU_TESS_ERROR7 100157
146#define GLU_TESS_ERROR8 100158
147#define GLU_TESS_MISSING_BEGIN_POLYGON 100151
148#define GLU_TESS_MISSING_BEGIN_CONTOUR 100152
149#define GLU_TESS_MISSING_END_POLYGON 100153
150#define GLU_TESS_MISSING_END_CONTOUR 100154
151#define GLU_TESS_COORD_TOO_LARGE 100155
152#define GLU_TESS_NEED_COMBINE_CALLBACK 100156
155#define GLU_TESS_WINDING_ODD 100130
156#define GLU_TESS_WINDING_NONZERO 100131
157#define GLU_TESS_WINDING_POSITIVE 100132
158#define GLU_TESS_WINDING_NEGATIVE 100133
159#define GLU_TESS_WINDING_ABS_GEQ_TWO 100134
162typedef GLUtesselator GLUtesselatorObj;
163typedef GLUtesselator GLUtriangulatorObj;
165#define GLU_TESS_MAX_COORD 1.0e150
167/* Internal convenience typedefs */
168typedef void (GL_APIENTRY * _GLUfuncptr)();
169typedef void (GL_APIENTRY * GLU_TESS_CALLBACK)();
171extern OSG_EXPORT GLUtesselator* GL_APIENTRY gluNewTess (void);
172extern OSG_EXPORT void GL_APIENTRY gluDeleteTess (GLUtesselator* tess);
174extern OSG_EXPORT void GL_APIENTRY gluTessBeginContour (GLUtesselator* tess);
175extern OSG_EXPORT void GL_APIENTRY gluTessCallback (GLUtesselator* tess, GLenum which, _GLUfuncptr CallBackFunc);
176extern OSG_EXPORT void GL_APIENTRY gluTessEndContour (GLUtesselator* tess);
177extern OSG_EXPORT void GL_APIENTRY gluTessNormal (GLUtesselator* tess, GLdouble valueX, GLdouble valueY, GLdouble valueZ);
178extern OSG_EXPORT void GL_APIENTRY gluTessProperty (GLUtesselator* tess, GLenum which, GLdouble data);
179extern OSG_EXPORT void GL_APIENTRY gluTessVertex (GLUtesselator* tess, GLdouble *location, GLvoid* data);
180extern OSG_EXPORT void GL_APIENTRY gluTessBeginPolygon (GLUtesselator* tess, GLvoid* data);
181extern OSG_EXPORT void GL_APIENTRY gluTessEndPolygon (GLUtesselator* tess);
182extern OSG_EXPORT void GL_APIENTRY gluGetTessProperty( GLUtesselator *tess, GLenum which, GLdouble *value );