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

*/

#include <quakedef.h>
#include <d_local.h>

viddef_t	vid;				// global video state

#define	BASEWIDTH	320
#define	BASEHEIGHT	200

// Number of items in the options menu: none extra is 0
int	VID_options_items = 0;

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)
{
}

void VID_ExtraOptionDraw(unsigned int options_draw_cursor)
{
/* Port specific Options menu entrys */
}

void VID_ExtraOptionCmd(int option_cursor)
{
/*
	switch(option_cursor)
	{
	case 1:  // Always start with 1
	break;
	}
*/
}