/* | |
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_dos.h: header file for DOS-specific video stuff | |
typedef struct vmode_s { | |
struct vmode_s *pnext; | |
char *name; | |
char *header; | |
unsigned width; | |
unsigned height; | |
float aspect; | |
unsigned rowbytes; | |
int planar; | |
int numpages; | |
void *pextradata; | |
int (*setmode)(viddef_t *vid, struct vmode_s *pcurrentmode); | |
void (*swapbuffers)(viddef_t *vid, struct vmode_s *pcurrentmode, | |
vrect_t *rects); | |
void (*setpalette)(viddef_t *vid, struct vmode_s *pcurrentmode, | |
unsigned char *palette); | |
void (*begindirectrect)(viddef_t *vid, struct vmode_s *pcurrentmode, | |
int x, int y, byte *pbitmap, int width, | |
int height); | |
void (*enddirectrect)(viddef_t *vid, struct vmode_s *pcurrentmode, | |
int x, int y, int width, int height); | |
} vmode_t; | |
// vid_wait settings | |
#define VID_WAIT_NONE 0 | |
#define VID_WAIT_VSYNC 1 | |
#define VID_WAIT_DISPLAY_ENABLE 2 | |
extern int numvidmodes; | |
extern vmode_t *pvidmodes; | |
extern int VGA_width, VGA_height, VGA_rowbytes, VGA_bufferrowbytes; | |
extern byte *VGA_pagebase; | |
extern vmode_t *VGA_pcurmode; | |
extern cvar_t vid_wait; | |
extern cvar_t vid_nopageflip; | |
extern cvar_t _vid_wait_override; | |
extern unsigned char colormap256[32][256]; | |
extern void *vid_surfcache; | |
extern int vid_surfcachesize; | |
void VGA_Init (void); | |
void VID_InitVESA (void); | |
void VID_InitExtra (void); | |
void VGA_WaitVsync (void); | |
void VGA_ClearVideoMem (int planar); | |
void VGA_SetPalette(viddef_t *vid, vmode_t *pcurrentmode, unsigned char *pal); | |
void VGA_SwapBuffersCopy (viddef_t *vid, vmode_t *pcurrentmode, | |
vrect_t *rects); | |
qboolean VGA_FreeAndAllocVidbuffer (viddef_t *vid, int allocnewbuffer); | |
qboolean VGA_CheckAdequateMem (int width, int height, int rowbytes, | |
int allocnewbuffer); | |
void VGA_BeginDirectRect (viddef_t *vid, struct vmode_s *pcurrentmode, int x, | |
int y, byte *pbitmap, int width, int height); | |
void VGA_EndDirectRect (viddef_t *vid, struct vmode_s *pcurrentmode, int x, | |
int y, int width, int height); | |
void VGA_UpdateLinearScreen (void *srcptr, void *destptr, int width, | |
int height, int srcrowbytes, int destrowbytes); | |