mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-06 13:11:20 +00:00
997102fea8
There are still a few iffy places (notably around certain prepositions), but the relevant sentences are now much easier to read.
141 lines
3.9 KiB
C
141 lines
3.9 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
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#ifndef __vid_h_
|
|
#define __vid_h_
|
|
|
|
#include "QF/qtypes.h"
|
|
|
|
#define VID_CBITS 6
|
|
#define VID_GRADES (1 << VID_CBITS)
|
|
|
|
struct cvar_s;
|
|
extern byte *vid_colormap;
|
|
extern unsigned char d_15to8table[65536];
|
|
|
|
extern struct cvar_s *vid_fullscreen;
|
|
extern struct cvar_s *vid_system_gamma;
|
|
extern struct cvar_s *vid_width;
|
|
extern struct cvar_s *vid_height;
|
|
extern struct cvar_s *vid_bitdepth;
|
|
|
|
typedef struct vrect_s {
|
|
int x,y,width,height;
|
|
struct vrect_s *pnext;
|
|
} vrect_t;
|
|
|
|
typedef struct {
|
|
qboolean initialized;
|
|
void *buffer; // invisible buffer
|
|
short *zbuffer;
|
|
void *surfcache;
|
|
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
|
|
unsigned int rowbytes; // may be > width if displayed in a window
|
|
unsigned int width;
|
|
unsigned 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;
|
|
void *conbuffer;
|
|
int conrowbytes;
|
|
unsigned int conwidth;
|
|
unsigned int conheight;
|
|
int maxwarpwidth;
|
|
int maxwarpheight;
|
|
byte *direct; // direct drawing to framebuffer, if not
|
|
// NULL
|
|
int (*surf_cache_size)(int width, int height);
|
|
void (*flush_caches)(void);
|
|
void (*init_caches)(void *cache, int size);
|
|
void (*do_screen_buffer)(void);
|
|
} viddef_t;
|
|
|
|
extern viddef_t vid; // global video state
|
|
extern unsigned short d_8to16table[256];
|
|
extern unsigned int d_8to24table[256];
|
|
|
|
extern byte gammatable[256];
|
|
extern struct cvar_s *vid_gamma;
|
|
extern qboolean vid_gamma_avail;
|
|
|
|
// called at startup and after any gamma correction
|
|
void VID_SetPalette (unsigned char *palette);
|
|
void VID_Init8bitPalette (void);
|
|
|
|
// called for bonus and pain flashes, and for underwater color changes
|
|
void VID_ShiftPalette (unsigned char *palette);
|
|
|
|
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 (unsigned char *);
|
|
|
|
// Called at shutdown
|
|
void VID_Shutdown (void);
|
|
|
|
// flushes the given rectangles from the view buffer to the screen
|
|
void VID_Update (vrect_t *rects);
|
|
|
|
// sets the mode; used only by the Quake engine for resetting to mode 0 (the
|
|
// base mode) on memory allocation failures
|
|
// or not
|
|
// int VID_SetMode (int modenum, unsigned char *palette);
|
|
|
|
void VID_InitBuffers (void);
|
|
void VID_LockBuffer (void);
|
|
void VID_UnlockBuffer (void);
|
|
|
|
qboolean VID_Is8bit (void);
|
|
|
|
void VID_RaiseWindow (void);
|
|
void VID_MinimiseWindow (void);
|
|
void VID_SetCaption (const char *text);
|
|
// used to set window caption
|
|
|
|
void VID_GetWindowSize (int def_w, int def_h);
|
|
|
|
void VID_InitGamma (unsigned char *);
|
|
double VID_GetGamma (void);
|
|
qboolean VID_SetGamma (double);
|
|
void VID_UpdateGamma (struct cvar_s *);
|
|
|
|
void GL_Init_Common (void);
|
|
|
|
void VID_MakeColormaps (int fullbrights, byte *pal);
|
|
|
|
void VGA_UpdatePlanarScreen (void *srcbuffer);
|
|
|
|
#endif // __vid_h_
|