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44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* FreeLoader
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* Copyright (C) 1998-2003 Brian Palmer <brianp@sginet.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <freeldr.h>
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#include <video.h>
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#include <portio.h>
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#include <mm.h>
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#include <machine.h>
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PVOID VideoOffScreenBuffer = NULL;
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PVOID VideoAllocateOffScreenBuffer(VOID)
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{
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ULONG BufferSize;
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if (VideoOffScreenBuffer != NULL)
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{
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MmFreeMemory(VideoOffScreenBuffer);
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VideoOffScreenBuffer = NULL;
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}
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BufferSize = MachVideoGetBufferSize();
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VideoOffScreenBuffer = MmAllocateMemory(BufferSize);
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return VideoOffScreenBuffer;
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}
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