video.h

Go to the documentation of this file.

/*
 *  FreeLoader
 *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
 *
 *  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.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#pragma once

#include <pshpack1.h>
typedef struct
{
  UCHAR Red;
  UCHAR Green;
  UCHAR Blue;
} PALETTE_ENTRY, *PPALETTE_ENTRY;
#include <poppack.h>

extern  PVOID   VideoOffScreenBuffer;

USHORT      BiosIsVesaSupported(VOID);                      // Implemented in i386vid.c, returns the VESA version

PVOID   VideoAllocateOffScreenBuffer(VOID);             // Returns a pointer to an off-screen buffer sufficient for the current video mode

VOID    VideoCopyOffScreenBufferToVRAM(VOID);

VOID    VideoSavePaletteState(PPALETTE_ENTRY Palette, ULONG ColorCount);
VOID    VideoRestorePaletteState(PPALETTE_ENTRY Palette, ULONG ColorCount);

VOID    VideoSetAllColorsToBlack(ULONG ColorCount);
VOID    VideoFadeIn(PPALETTE_ENTRY Palette, ULONG ColorCount);
VOID    VideoFadeOut(ULONG ColorCount);