/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2009 John Fitzgibbons and others
Copyright (C) 2007-2008 Kristian Duske
Copyright (C) 2010-2014 QuakeSpasm developers

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 spingle__vid_h
#define spingle__vid_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
{
	int32_t x, y, width, height;
	struct vrect_s  *pnext;
} vrect_t;

typedef struct
{
	pixel_t         *buffer;        // invisible buffer
	pixel_t         *colormap;      // 256 * VID_GRADES size
	uint16_t        *colormap16;    // 256 * VID_GRADES size
	int32_t         fullbright;     // index of first fullbright color
	int32_t         rowbytes;       // may be > width if displayed in a window
	int32_t         width;
	int32_t         height;
	float           aspect;         // width / height -- < 0 is taller than wide
	int32_t         numpages;
	int32_t         recalc_refdef;  // if true, recalc vid-based stuff
	pixel_t         *conbuffer;
	int32_t         conrowbytes;
	int32_t         conwidth;
	int32_t         conheight;
	int32_t         maxwarpwidth;
	int32_t         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)(int32_t 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);

void *VID_GetWindow(void);
bool VID_HasMouseOrInputFocus(void);
bool VID_IsMinimized(void);
void    VID_Lock(void);

#endif