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187 lines
8.6 KiB
187 lines
8.6 KiB
14 years ago
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_GLU
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#define OSG_GLU 1
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#include <osg/GL>
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namespace osg
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{
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/* Pixel storage modes, used by gluScaleImage */
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struct OSG_EXPORT PixelStorageModes
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{
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// sets defaults as per glGet docs in OpenGL red book
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PixelStorageModes();
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// use glGet's to retrieve all the current settings
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void retrieveStoreModes();
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// use glGet's to retrieve all the current 3D settings
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void retrieveStoreModes3D();
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GLint pack_alignment;
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GLint pack_row_length;
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GLint pack_skip_rows;
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GLint pack_skip_pixels;
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GLint pack_lsb_first;
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GLint pack_swap_bytes;
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GLint pack_skip_images;
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GLint pack_image_height;
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GLint unpack_alignment;
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GLint unpack_row_length;
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GLint unpack_skip_rows;
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GLint unpack_skip_pixels;
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GLint unpack_lsb_first;
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GLint unpack_swap_bytes;
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GLint unpack_skip_images;
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GLint unpack_image_height;
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} ;
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extern OSG_EXPORT const GLubyte * gluErrorString (GLenum error);
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/** OSG specific gluScaleImage function that allows you to pass in the PixelStoreModes, which
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* enables the code to avoid glGet's that are associated with the conventional gluScaleImage function.
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* Avoiding glGet's allows this gluScaleImage function to be called at any time, from any thread, there
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* is no need to have a graphics context current.*/
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extern 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);
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/** Traditional GLU gluScaleImage function that sets up the PixelStoreModes automatically by doing glGets.;
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* The use of glGet's means that you can only call this function from a thread with a valid graphics context.
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* The use of glGet's will also result in lower performance due to the round trip to the OpenGL driver.*/
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extern OSG_EXPORT GLint gluScaleImage (GLenum format, GLsizei wIn, GLsizei hIn, GLenum typeIn, const void *dataIn, GLsizei wOut, GLsizei hOut, GLenum typeOut, GLvoid* dataOut);
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extern OSG_EXPORT GLint gluBuild1DMipmapLevels (GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, GLint level, GLint base, GLint max, const void *data);
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extern OSG_EXPORT GLint gluBuild1DMipmaps (GLenum target, GLint internalFormat, GLsizei width, GLenum format, GLenum type, const void *data);
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extern 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);
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extern OSG_EXPORT GLint gluBuild2DMipmaps (GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *data);
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typedef 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);
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/** Small variation on normal gluBuild3DMipmapLevels as we pass in the function pointer to glTexImage3D rather than rely on GLU style querry for this functon pointer.*/
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extern 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);
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/** Small variation on normal gluBuild3DMipmapLevels as we pass in the function pointer to glTexImage3D rather than rely on GLU style querry for this functon pointer.*/
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extern OSG_EXPORT GLint gluBuild3DMipmaps (GLTexImage3DProc glTextImage3DProc, GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *data);
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/* ErrorCode */
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#define GLU_INVALID_ENUM 100900
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#define GLU_INVALID_VALUE 100901
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#define GLU_OUT_OF_MEMORY 100902
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#define GLU_INCOMPATIBLE_GL_VERSION 100903
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#define GLU_INVALID_OPERATION 100904
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/* Boolean */
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#define GLU_FALSE 0
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#define GLU_TRUE 1
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/* QuadricDrawStyle */
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#define GLU_POINT 100010
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#define GLU_LINE 100011
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#define GLU_FILL 100012
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#define GLU_SILHOUETTE 100013
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/* QuadricCallback */
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/* GLU_ERROR */
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/* QuadricNormal */
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#define GLU_SMOOTH 100000
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#define GLU_FLAT 100001
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#define GLU_NONE 100002
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/* QuadricOrientation */
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#define GLU_OUTSIDE 100020
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#define GLU_INSIDE 100021
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/* TessCallback */
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#define GLU_TESS_BEGIN 100100
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#define GLU_BEGIN 100100
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#define GLU_TESS_VERTEX 100101
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#define GLU_VERTEX 100101
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#define GLU_TESS_END 100102
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#define GLU_END 100102
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#define GLU_TESS_ERROR 100103
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#define GLU_TESS_EDGE_FLAG 100104
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#define GLU_EDGE_FLAG 100104
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#define GLU_TESS_COMBINE 100105
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#define GLU_TESS_BEGIN_DATA 100106
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#define GLU_TESS_VERTEX_DATA 100107
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#define GLU_TESS_END_DATA 100108
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#define GLU_TESS_ERROR_DATA 100109
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#define GLU_TESS_EDGE_FLAG_DATA 100110
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#define GLU_TESS_COMBINE_DATA 100111
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/* TessContour */
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#define GLU_CW 100120
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#define GLU_CCW 100121
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#define GLU_INTERIOR 100122
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#define GLU_EXTERIOR 100123
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#define GLU_UNKNOWN 100124
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/* TessProperty */
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#define GLU_TESS_WINDING_RULE 100140
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#define GLU_TESS_BOUNDARY_ONLY 100141
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#define GLU_TESS_TOLERANCE 100142
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/* TessError */
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#define GLU_TESS_ERROR1 100151
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#define GLU_TESS_ERROR2 100152
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#define GLU_TESS_ERROR3 100153
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#define GLU_TESS_ERROR4 100154
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#define GLU_TESS_ERROR5 100155
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#define GLU_TESS_ERROR6 100156
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#define GLU_TESS_ERROR7 100157
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#define GLU_TESS_ERROR8 100158
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#define GLU_TESS_MISSING_BEGIN_POLYGON 100151
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#define GLU_TESS_MISSING_BEGIN_CONTOUR 100152
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#define GLU_TESS_MISSING_END_POLYGON 100153
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#define GLU_TESS_MISSING_END_CONTOUR 100154
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#define GLU_TESS_COORD_TOO_LARGE 100155
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#define GLU_TESS_NEED_COMBINE_CALLBACK 100156
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/* TessWinding */
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#define GLU_TESS_WINDING_ODD 100130
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#define GLU_TESS_WINDING_NONZERO 100131
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#define GLU_TESS_WINDING_POSITIVE 100132
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#define GLU_TESS_WINDING_NEGATIVE 100133
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#define GLU_TESS_WINDING_ABS_GEQ_TWO 100134
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struct GLUtesselator;
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typedef GLUtesselator GLUtesselatorObj;
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typedef GLUtesselator GLUtriangulatorObj;
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#define GLU_TESS_MAX_COORD 1.0e150
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/* Internal convenience typedefs */
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typedef void (GL_APIENTRY * _GLUfuncptr)();
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typedef void (GL_APIENTRY * GLU_TESS_CALLBACK)();
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extern OSG_EXPORT GLUtesselator* GL_APIENTRY gluNewTess (void);
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extern OSG_EXPORT void GL_APIENTRY gluDeleteTess (GLUtesselator* tess);
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extern OSG_EXPORT void GL_APIENTRY gluTessBeginContour (GLUtesselator* tess);
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extern OSG_EXPORT void GL_APIENTRY gluTessCallback (GLUtesselator* tess, GLenum which, _GLUfuncptr CallBackFunc);
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extern OSG_EXPORT void GL_APIENTRY gluTessEndContour (GLUtesselator* tess);
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extern OSG_EXPORT void GL_APIENTRY gluTessNormal (GLUtesselator* tess, GLdouble valueX, GLdouble valueY, GLdouble valueZ);
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extern OSG_EXPORT void GL_APIENTRY gluTessProperty (GLUtesselator* tess, GLenum which, GLdouble data);
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extern OSG_EXPORT void GL_APIENTRY gluTessVertex (GLUtesselator* tess, GLdouble *location, GLvoid* data);
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extern OSG_EXPORT void GL_APIENTRY gluTessBeginPolygon (GLUtesselator* tess, GLvoid* data);
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extern OSG_EXPORT void GL_APIENTRY gluTessEndPolygon (GLUtesselator* tess);
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extern OSG_EXPORT void GL_APIENTRY gluGetTessProperty( GLUtesselator *tess, GLenum which, GLdouble *value );
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}
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#endif // __osgGLU_h
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