2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // vid.h -- video driver defs
23 #define VID_GRADES (1 << VID_CBITS)
25 // a pixel can be one, two, or four bytes
28 typedef struct vrect_s
31 struct vrect_s *pnext;
38 float aspect; // width / height -- < 0 is taller than wide
39 int recalc_refdef; // if true, recalc vid-based stuff
44 extern viddef_t vid; // global video state
45 extern unsigned short d_8to16table[256];
46 extern unsigned d_8to24table[256];
47 extern void (*vid_menudrawfn)(void);
48 extern void (*vid_menukeyfn)(int key);
50 void VID_SetPalette (unsigned char *palette);
53 void VID_Init (unsigned char *palette);
54 // Called at startup to set up translation tables, takes 256 8 bit RGB values
55 // the palette data will go away after the call, so it must be copied off if
56 // the video driver will need it again
58 void VID_Shutdown (void);
61 int VID_SetMode (int modenum, unsigned char *palette);
62 // sets the mode; only used by the Quake engine for resetting to mode 0 (the
63 // base mode) on memory allocation failures