/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2009 John Fitzgibbons and others
Copyright (C) 2007-2008 Kristian Duske

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.

*/

#ifndef __VID_DEFS_H
#define __VID_DEFS_H

// vid.h -- video driver defs

#define VID_CBITS	6
#define VID_GRADES	(1 << VID_CBITS)

#define GAMMA_MAX	3.0

// moved here for global use -- kristian
typedef enum { MS_UNINIT, MS_WINDOWED, MS_FULLSCREEN } modestate_t;

extern modestate_t	modestate;

// a pixel can be one, two, or four bytes
typedef byte pixel_t;

typedef struct vrect_s
{
	int	x, y, width, height;
	struct vrect_s	*pnext;
} vrect_t;

typedef struct
{
	pixel_t		*buffer;	// invisible buffer
	pixel_t		*colormap;	// 256 * VID_GRADES size
	unsigned short	*colormap16;	// 256 * VID_GRADES size
	int		fullbright;	// index of first fullbright color
	int		rowbytes;	// may be > width if displayed in a window
	int		width;
	int		height;
	float		aspect;		// width / height -- < 0 is taller than wide
	int		numpages;
	int		recalc_refdef;	// if true, recalc vid-based stuff
	pixel_t		*conbuffer;
	int		conrowbytes;
	int		conwidth;
	int		conheight;
	int		maxwarpwidth;
	int		maxwarpheight;
	pixel_t		*direct;	// direct drawing to framebuffer, if not NULL
} viddef_t;

extern	viddef_t	vid;				// global video state

extern void (*vid_menudrawfn)(void);
extern void (*vid_menukeyfn)(int key);
extern void (*vid_menucmdfn)(void); //johnfitz

void	VID_Init (void); //johnfitz -- removed palette from argument list

void	VID_Shutdown (void);
// Called at shutdown

void	VID_Update (vrect_t *rects);
// flushes the given rectangles from the view buffer to the screen

void VID_SyncCvars (void);

void VID_Toggle (void);

#endif	/* __VID_DEFS_H */