/*
	vid_null.c

	null video driver to aid porting efforts

	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:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA

	$Id$
*/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "d_local.h"

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 int 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_Init_Cvars ()
{
}

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)
{
}

void
VID_SetCaption (char *text)
{
}