3 * Copyright (C) 1998-2003 Brian Palmer <brianp@sginet.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 PVOID VideoOffScreenBuffer
= NULL
;
24 PVOID
VideoAllocateOffScreenBuffer(VOID
)
28 if (VideoOffScreenBuffer
!= NULL
)
30 MmFreeMemory(VideoOffScreenBuffer
);
31 VideoOffScreenBuffer
= NULL
;
34 BufferSize
= MachVideoGetBufferSize();
36 VideoOffScreenBuffer
= MmAllocateMemory(BufferSize
);
38 return VideoOffScreenBuffer
;
41 VOID
VideoCopyOffScreenBufferToVRAM(VOID
)
43 MachVideoCopyOffScreenBufferToVRAM(VideoOffScreenBuffer
);