71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
|
/*
|
||
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU General Public License
|
||
|
|
as published by the Free Software Foundation; either version 2
|
||
|
|
of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
This program 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 General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||
|
|
|
||
|
|
*/
|
||
|
|
// vid.h -- video driver defs
|
||
|
|
|
||
|
|
#define VID_CBITS 6
|
||
|
|
#define VID_GRADES (1 << VID_CBITS)
|
||
|
|
|
||
|
|
// a pixel can be one, two, or four bytes
|
||
|
|
typedef byte pixel_t;
|
||
|
|
|
||
|
|
typedef struct vrect_s
|
||
|
|
{
|
||
|
|
int x,y,width,height;
|
||
|
|
struct vrect_s *pnext;
|
||
|
|
} vrect_t;
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
pixel_t *colormap; // 256 * VID_GRADES size
|
||
|
|
unsigned short *colormap16; // 256 * VID_GRADES size
|
||
|
|
unsigned width;
|
||
|
|
unsigned height;
|
||
|
|
float aspect; // width / height -- < 0 is taller than wide
|
||
|
|
int numpages;
|
||
|
|
int recalc_refdef; // if true, recalc vid-based stuff
|
||
|
|
pixel_t *conbuffer;
|
||
|
|
int conrowbytes;
|
||
|
|
unsigned conwidth;
|
||
|
|
unsigned conheight;
|
||
|
|
} viddef_t;
|
||
|
|
|
||
|
|
extern viddef_t vid; // global video state
|
||
|
|
extern unsigned short d_8to16table[256];
|
||
|
|
extern unsigned d_8to24table[256];
|
||
|
|
|
||
|
|
void VID_SetPalette (unsigned char *palette);
|
||
|
|
// called at startup and after any gamma correction
|
||
|
|
|
||
|
|
void VID_Init (unsigned char *palette);
|
||
|
|
// Called at startup to set up translation tables, takes 256 8 bit RGB values
|
||
|
|
// the palette data will go away after the call, so it must be copied off if
|
||
|
|
// the video driver will need it again
|
||
|
|
|
||
|
|
void VID_Shutdown (void);
|
||
|
|
// Called at shutdown
|
||
|
|
|
||
|
|
void VID_Update (vrect_t *rects);
|
||
|
|
// flushes the given rectangles from the view buffer to the screen
|
||
|
|
|
||
|
|
int VID_SetMode (int modenum, unsigned char *palette);
|
||
|
|
// sets the mode; only used by the Quake engine for resetting to mode 0 (the
|
||
|
|
// base mode) on memory allocation failures
|
||
|
|
|