src/glut/dos/color.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  3.4
   4  * Copyright (C) 1995-1998  Brian Paul
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the Free
  18  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 /*
  22  * DOS/DJGPP glut driver v1.3 for Mesa
  23  *
  24  *  Copyright (C) 2002 - Borca Daniel
  25  *  Email : dborca@yahoo.com
  26  *  Web   : http://www.geocities.com/dborca
  27  */
  28
  29
  30 #include "glutint.h"
  31 #include "GL/dmesa.h"
  32
  33
  34
  35 #define CLAMP(i) ((i) > 1.0 ? 1.0 : ((i) < 0.0 ? 0.0 : (i)))
  36
  37
  38
  39 void APIENTRY glutSetColor (int ndx, GLfloat red, GLfloat green, GLfloat blue)
  40 {
  41  if (g_display_mode & GLUT_INDEX) {
  42     if ((ndx >= 0) && (ndx < (256 - RESERVED_COLORS))) {
  43        DMesaSetCI(ndx, CLAMP(red), CLAMP(green), CLAMP(blue));
  44     }
  45  }
  46 }
  47
  48
  49
  50 GLfloat APIENTRY glutGetColor (int ndx, int component)
  51 {
  52  return 0.0;
  53 }
  54
  55
  56
  57 void APIENTRY glutCopyColormap (int win)
  58 {
  59 }