src/glu/mini/nurbs.c

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  3.3
   5  * Copyright (C) 1995-2000  Brian Paul
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the Free
  19  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22
  23 /*
  24  * NURBS implementation written by Bogdan Sikorski (bogdan@cira.it)
  25  * See README2 for more info.
  26  */
  27
  28
  29 #ifdef PC_HEADER
  30 #include "all.h"
  31 #else
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include "gluP.h"
  35 #include "nurbs.h"
  36 #endif
  37
  38
  39 void
  40 call_user_error(GLUnurbsObj * nobj, GLenum error)
  41 {
  42    nobj->error = error;
  43    if (nobj->error_callback != NULL) {
  44       (*(nobj->error_callback)) (error);
  45    }
  46    else {
  47       printf("NURBS error %d %s\n", error, (char *) gluErrorString(error));
  48    }
  49 }
  50
  51
  52
  53 GLUnurbsObj *GLAPIENTRY
  54 gluNewNurbsRenderer(void)
  55 {
  56    GLUnurbsObj *n;
  57    GLfloat tmp_viewport[4];
  58    GLint i, j;
  59
  60    n = (GLUnurbsObj *) malloc(sizeof(GLUnurbsObj));
  61    return n;
  62 }
  63
  64
  65
  66 void GLAPIENTRY
  67 gluDeleteNurbsRenderer(GLUnurbsObj * nobj)
  68 {
  69    if (nobj) {
  70       free(nobj);
  71    }
  72 }
  73
  74
  75
  76 void GLAPIENTRY
  77 gluLoadSamplingMatrices(GLUnurbsObj * nobj,
  78                         const GLfloat modelMatrix[16],
  79                         const GLfloat projMatrix[16], const GLint viewport[4])
  80 {
  81 }
  82
  83
  84 void GLAPIENTRY
  85 gluNurbsProperty(GLUnurbsObj * nobj, GLenum property, GLfloat value)
  86 {
  87 }
  88
  89
  90 void GLAPIENTRY
  91 gluGetNurbsProperty(GLUnurbsObj * nobj, GLenum property, GLfloat * value)
  92 {
  93 }
  94
  95
  96
  97 void GLAPIENTRY
  98 gluBeginCurve(GLUnurbsObj * nobj)
  99 {
 100 }
 101
 102
 103 void GLAPIENTRY
 104 gluEndCurve(GLUnurbsObj * nobj)
 105 {
 106 }
 107
 108
 109 void GLAPIENTRY
 110 gluNurbsCurve(GLUnurbsObj * nobj, GLint nknots, GLfloat * knot,
 111               GLint stride, GLfloat * ctlarray, GLint order, GLenum type)
 112 {
 113 }
 114
 115
 116 void GLAPIENTRY
 117 gluBeginSurface(GLUnurbsObj * nobj)
 118 {
 119 }
 120
 121
 122 void GLAPIENTRY
 123 gluEndSurface(GLUnurbsObj * nobj)
 124 {
 125 }
 126
 127
 128 void GLAPIENTRY
 129 gluNurbsSurface(GLUnurbsObj * nobj,
 130                 GLint sknot_count, GLfloat * sknot,
 131                 GLint tknot_count, GLfloat * tknot,
 132                 GLint s_stride, GLint t_stride,
 133                 GLfloat * ctrlarray, GLint sorder, GLint torder, GLenum type)
 134 {
 135 }
 136
 137
 138 void GLAPIENTRY
 139 gluNurbsCallback(GLUnurbsObj * nobj, GLenum which, void (GLCALLBACK * fn) ())
 140 {
 141 }
 142
 143 void GLAPIENTRY
 144 gluBeginTrim(GLUnurbsObj * nobj)
 145 {
 146 }
 147
 148 void GLAPIENTRY
 149 gluPwlCurve(GLUnurbsObj * nobj, GLint count, GLfloat * array, GLint stride,
 150             GLenum type)
 151 {
 152 }
 153
 154 void GLAPIENTRY
 155 gluEndTrim(GLUnurbsObj * nobj)
 156 {
 157 }