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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// DESCRIPTION:
// Gamma correction LUT.
// Functions to draw patches (by post) directly to screen.
// Functions to blit a block to the screen.
//
//-----------------------------------------------------------------------------
#ifndef __V_VIDEO__
#define __V_VIDEO__
#include "doomtype.h"
#include "doomdef.h"
// Needed because we are refering to patches.
#include "r_data.h"
//
// VIDEO
//
#define CENTERY (SCREENHEIGHT/2)
// Screen 0 is the screen updated by I_Update screen.
// Screen 1 is an extra buffer.
extern byte* screens[5];
extern int dirtybox[4];
extern byte gammatable[5][256];
extern int usegamma;
// Allocates buffer screens, call before R_Init.
void V_Init (void);
void
V_CopyRect
( int srcx,
int srcy,
int srcscrn,
int width,
int height,
int destx,
int desty,
int destscrn );
void
V_DrawPatch
( int x,
int y,
int scrn,
patch_t* patch);
void
V_DrawPatchDirect
( int x,
int y,
int scrn,
patch_t* patch );
// Draw a linear block of pixels into the view buffer.
void
V_DrawBlock
( int x,
int y,
int scrn,
int width,
int height,
byte* src );
// Reads a linear block of pixels into the view buffer.
void
V_GetBlock
( int x,
int y,
int scrn,
int width,
int height,
byte* dest );
void
V_MarkRect
( int x,
int y,
int width,
int height );
#endif
//-----------------------------------------------------------------------------
//
// $Log:$
//
//-----------------------------------------------------------------------------