quakeforge-old/common/vid_null.c
2000-08-20 13:33:48 +00:00

141 lines
2.7 KiB
C

/*
vid_null.c
null video driver to aid porting efforts
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#include <quakedef.h>
#include <d_local.h>
extern viddef_t vid; // global video state
#define BASEWIDTH 320
#define BASEHEIGHT 200
byte vid_buffer[BASEWIDTH*BASEHEIGHT];
short zbuffer[BASEWIDTH*BASEHEIGHT];
byte surfcache[256*1024];
unsigned short d_8to16table[256];
unsigned d_8to24table[256];
void
VID_SetPalette ( unsigned char *palette )
{
}
void
VID_ShiftPalette ( unsigned char *palette )
{
}
void
VID_Init ( unsigned char *palette )
{
vid.maxwarpwidth = vid.width = vid.conwidth = BASEWIDTH;
vid.maxwarpheight = vid.height = vid.conheight = BASEHEIGHT;
vid.aspect = 1.0;
vid.numpages = 1;
vid.colormap = host_colormap;
vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
vid.buffer = vid.conbuffer = vid_buffer;
vid.rowbytes = vid.conrowbytes = BASEWIDTH;
d_pzbuffer = zbuffer;
D_InitCaches (surfcache, sizeof(surfcache));
}
void
VID_Shutdown ( void )
{
}
void
VID_Update ( vrect_t *rects )
{
}
/*
================
D_BeginDirectRect
================
*/
void
D_BeginDirectRect ( int x, int y, byte *pbitmap, int width, int height )
{
}
/*
================
D_EndDirectRect
================
*/
void
D_EndDirectRect ( int x, int y, int width, int height )
{
}
int
VID_ExtraOptionDraw ( unsigned int options_draw_cursor )
{
int drawn;
drawn = 0;
/* Port specific Options menu entries */
#if 0
M_Print (16, options_draw_cursor+=8, " Dummy");
M_DrawCheckbox (220, options_draw_cursor, dummy->value);
drawn++;
#endif
return drawn; // return number of drawn menu entries
}
void
VID_ExtraOptionCmd ( int option_cursor, int dir )
{
/* dir: -1 = LEFT, 0 = ENTER, 1 = RIGHT */
#if 0
switch(option_cursor) {
case 0: // Always start with 0
dummy->value = !dummy->value;
break;
}
#endif
}
void
VID_LockBuffer ( void )
{
}
void
VID_UnlockBuffer ( void )
{
}