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;
36 pixel_t *buffer; // invisible buffer
37 pixel_t *colormap; // 256 * VID_GRADES size
38 unsigned short *colormap16; // 256 * VID_GRADES size
39 int fullbright; // index of first fullbright color
42 float aspect; // width / height -- < 0 is taller than wide
44 int recalc_refdef; // if true, recalc vid-based stuff
50 pixel_t *direct; // direct drawing to framebuffer, if not
54 extern viddef_t vid; // global video state
55 extern unsigned short d_8to16table[256];
56 extern unsigned d_8to24table[256];
57 extern void (*vid_menudrawfn)(void);
58 extern void (*vid_menukeyfn)(int key);
60 void VID_SetPalette (unsigned char *palette);
63 void VID_Init (unsigned char *palette);
64 // Called at startup to set up translation tables, takes 256 8 bit RGB values
65 // the palette data will go away after the call, so it must be copied off if
66 // the video driver will need it again
68 void VID_Shutdown (void);
71 void VID_Update (vrect_t *rects);
72 // flushes the given rectangles from the view buffer to the screen
74 int VID_SetMode (int modenum, unsigned char *palette);
75 // sets the mode; only used by the Quake engine for resetting to mode 0 (the
76 // base mode) on memory allocation failures
78 void VID_HandlePause (qboolean pause);
79 // called only on Win32, when pause happens, so the mouse can be released