reactos/boot/freeldr/freeldr/include/video.h

47 lines
1.6 KiB
C

/*
* 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
BOOLEAN BiosIsVesaDdcSupported(VOID);
BOOLEAN BiosVesaReadEdid(VOID);
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);