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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
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 *buffer; // invisible buffer
pixel_t *colormap; // 256 * VID_GRADES size
unsigned short *colormap16; // 256 * VID_GRADES size
int fullbright; // index of first fullbright color
unsigned rowbytes; // may be > width if displayed in a window
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;
int maxwarpwidth;
int maxwarpheight;
pixel_t *direct; // direct drawing to framebuffer, if not
} viddef_t;
extern viddef_t vid; // global video state
extern unsigned short d_8to16table[256];
extern unsigned d_8to24table[256];
extern void (*vid_menudrawfn)(void);
extern void (*vid_menukeyfn)(int key);
void VID_SetPalette (unsigned char *palette);
// called at startup and after any gamma correction
void VID_ShiftPalette (unsigned char *palette);
// called for bonus and pain flashes, and for underwater color changes
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
void VID_HandlePause (qboolean pause);
// called only on Win32, when pause happens, so the mouse can be released
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