// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
//
// 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.
//
// DESCRIPTION:
//	System specific interface stuff.
//
//-----------------------------------------------------------------------------


#ifndef __I_VIDEO__
#define __I_VIDEO__


#include "doomtype.h"



// Called by D_DoomMain,
// determines the hardware configuration
// and sets up the video mode
void I_InitGraphics (void);


void I_ShutdownGraphics(void);

// Takes full 8 bit values.
void I_SetPalette (byte* palette);

void I_UpdateNoBlit (void);
void I_FinishUpdate (void);

// Wait for vertical retrace or pause a bit.
void I_WaitVBL(int count);

void I_ReadScreen (byte* scr);

void I_BeginRead (void);
void I_EndRead (void);

void I_SetWindowCaption(void);
void I_SetWindowIcon(void);

void I_CheckIsScreensaver(void);

extern char *video_driver;
extern int autoadjust_video_settings;
extern boolean screenvisible;
extern int screenmultiply;
extern int fullscreen;
extern int aspect_ratio_correct;
extern boolean grabmouse;
extern float mouse_acceleration;
extern int mouse_threshold;
extern int startup_delay;
extern int vanilla_keyboard_mapping;

#endif