mirror of
https://git.code.sf.net/p/quake/quakeforge-old
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84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
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/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// vid_dos.h: header file for DOS-specific video stuff
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typedef struct vmode_s {
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struct vmode_s *pnext;
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char *name;
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char *header;
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unsigned width;
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unsigned height;
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float aspect;
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unsigned rowbytes;
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int planar;
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int numpages;
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void *pextradata;
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int (*setmode)(viddef_t *vid, struct vmode_s *pcurrentmode);
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void (*swapbuffers)(viddef_t *vid, struct vmode_s *pcurrentmode,
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vrect_t *rects);
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void (*setpalette)(viddef_t *vid, struct vmode_s *pcurrentmode,
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unsigned char *palette);
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void (*begindirectrect)(viddef_t *vid, struct vmode_s *pcurrentmode,
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int x, int y, byte *pbitmap, int width,
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int height);
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void (*enddirectrect)(viddef_t *vid, struct vmode_s *pcurrentmode,
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int x, int y, int width, int height);
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} vmode_t;
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// vid_wait settings
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#define VID_WAIT_NONE 0
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#define VID_WAIT_VSYNC 1
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#define VID_WAIT_DISPLAY_ENABLE 2
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extern int numvidmodes;
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extern vmode_t *pvidmodes;
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extern int VGA_width, VGA_height, VGA_rowbytes, VGA_bufferrowbytes;
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extern byte *VGA_pagebase;
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extern vmode_t *VGA_pcurmode;
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extern cvar_t vid_wait;
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extern cvar_t vid_nopageflip;
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extern cvar_t _vid_wait_override;
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extern unsigned char colormap256[32][256];
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extern void *vid_surfcache;
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extern int vid_surfcachesize;
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void VGA_Init (void);
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void VID_InitVESA (void);
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void VID_InitExtra (void);
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void VGA_WaitVsync (void);
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void VGA_ClearVideoMem (int planar);
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void VGA_SetPalette(viddef_t *vid, vmode_t *pcurrentmode, unsigned char *pal);
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void VGA_SwapBuffersCopy (viddef_t *vid, vmode_t *pcurrentmode,
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vrect_t *rects);
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qboolean VGA_FreeAndAllocVidbuffer (viddef_t *vid, int allocnewbuffer);
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qboolean VGA_CheckAdequateMem (int width, int height, int rowbytes,
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int allocnewbuffer);
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void VGA_BeginDirectRect (viddef_t *vid, struct vmode_s *pcurrentmode, int x,
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int y, byte *pbitmap, int width, int height);
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void VGA_EndDirectRect (viddef_t *vid, struct vmode_s *pcurrentmode, int x,
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int y, int width, int height);
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void VGA_UpdateLinearScreen (void *srcptr, void *destptr, int width,
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int height, int srcrowbytes, int destrowbytes);
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