video.c

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/*
 *  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.
 */
#ifndef _M_ARM
#include <freeldr.h>

PVOID   VideoOffScreenBuffer = NULL;

PVOID VideoAllocateOffScreenBuffer(VOID)
{
    ULONG       BufferSize;

    if (VideoOffScreenBuffer != NULL)
    {
        MmFreeMemory(VideoOffScreenBuffer);
        VideoOffScreenBuffer = NULL;
    }

    BufferSize = MachVideoGetBufferSize();

    VideoOffScreenBuffer = MmAllocateMemoryWithType(BufferSize, LoaderFirmwareTemporary);

    return VideoOffScreenBuffer;
}

VOID VideoCopyOffScreenBufferToVRAM(VOID)
{
    MachVideoCopyOffScreenBufferToVRAM(VideoOffScreenBuffer);
}
#endif