ref: 02611e064eceed8d8cda8cc4d6e60f8f1833ea72
dir: /u/vid_dos.h/
/* 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);