quakeforge/include/QF/vid.h
2020-03-20 13:04:41 +09:00

82 lines
2.3 KiB
C

/*
vid.h
video driver defs
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __QF_vid_h
#define __QF_vid_h
#include "QF/qtypes.h"
#include "QF/vrect.h"
#define VID_CBITS 6
#define VID_GRADES (1 << VID_CBITS)
typedef struct {
qboolean initialized;
qboolean is8bit;
void *buffer; // invisible buffer
short *zbuffer;
void *surfcache;
byte *gammatable; // 256
byte *basepal; // 256 * 3
byte *palette; // 256 * 3
byte *colormap8; // 256 * VID_GRADES size
unsigned short *colormap16; // 256 * VID_GRADES size
unsigned int *colormap32; // 256 * VID_GRADES size
int fullbright; // index of first fullbright color
int rowbytes; // may be > width if displayed in a window
int width;
int height;
float aspect; // width / height -- < 1 is taller than wide
int numpages;
qboolean recalc_refdef; // if true, recalc vid-based stuff
qboolean cshift_changed;
quat_t cshift_color;
void *conbuffer;
int conrowbytes;
int conwidth;
int conheight;
byte *direct; // direct drawing to framebuffer, if not
// NULL
struct vid_internal_s *vid_internal;
} viddef_t;
#define viddef (*r_data->vid)
extern unsigned int d_8to24table[256]; //FIXME nq/qw uses
extern qboolean vid_gamma_avail;
void VID_Init_Cvars (void);
// 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_Init (byte *palette, byte *colormap);
void VID_SetCaption (const char *text);
void VID_ClearMemory (void);
#endif//__QF_vid_h