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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
- 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);
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