/* | |
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 *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 | |
// NULL | |
} 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 | |