2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
20 * @APPLE_LICENSE_HEADER_END@
23 * Copyright (c) 1998 Apple Computer, Inc. All rights reserved.
27 * 10 Mar 99 sdouglas created.
31 struct IOGraphicsEngineContext
{
32 IOSharedLockData contextLock
;
36 IOByteCount structSize
;
40 typedef volatile struct IOGraphicsEngineContext IOGraphicsEngineContext
;
44 // memory type for IOMapMemory
45 kIOGraphicsEngineContext
= 100
50 kIOGraphicsEngineContextVersion
= 1