Source to iokit/IOKit/graphics/IOGraphicsEngine.h

/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
 *
 * HISTORY
 *
 * 10 Mar 99 sdouglas created.
 */


struct IOGraphicsEngineContext {
    IOSharedLockData	contextLock;
    IOOptionBits	state;
    void *		owner;
    UInt32 		version;
    IOByteCount 	structSize;
    UInt32		reserved[ 8 ];
};
#ifndef __cplusplus
typedef volatile struct IOGraphicsEngineContext IOGraphicsEngineContext;
#endif

enum {
    // memory type for IOMapMemory
    kIOGraphicsEngineContext		= 100
};

enum {
    // version
    kIOGraphicsEngineContextVersion	= 1
};