| /* |
| * Mesa 3-D graphics library |
| * Version: 3.4 |
| * Copyright (C) 1995-1998 Brian Paul |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the Free |
| * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| /* |
| * DOS/DJGPP glut driver v1.0 for Mesa 4.0 |
| * |
| * Copyright (C) 2002 - Borca Daniel |
| * Email : dborca@yahoo.com |
| * Web : http://www.geocities.com/dborca |
| */ |
| |
| |
| #include "GL/glut.h" |
| #include <sys/time.h> |
| |
| |
| #define TIMEDELTA(dest, src1, src2) { \ |
| if(((dest).tv_usec = (src1).tv_usec - (src2).tv_usec) < 0) { \ |
| (dest).tv_usec += 1000000; \ |
| (dest).tv_sec = (src1).tv_sec - (src2).tv_sec - 1; \ |
| } else { \ |
| (dest).tv_sec = (src1).tv_sec - (src2).tv_sec; \ |
| } \ |
| } |
| |
| int APIENTRY glutGet (GLenum type) |
| { |
| |
| switch (type) { |
| case GLUT_WINDOW_RGBA: |
| return 1; |
| case GLUT_ELAPSED_TIME: { |
| static int inited = 0; |
| static struct timeval elapsed, beginning, now; |
| if (!inited) { |
| gettimeofday(&beginning, 0); |
| inited = 1; |
| } |
| gettimeofday(&now, 0); |
| TIMEDELTA(elapsed, now, beginning); |
| /* Return elapsed milliseconds. */ |
| return (int) ((elapsed.tv_sec * 1000) + (elapsed.tv_usec / 1000)); |
| } |
| default: |
| return 0; |
| } |
| } |
| |
| |
| int APIENTRY glutDeviceGet (GLenum type) |
| { |
| return 0; |
| } |