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Annotation of XNU/iokit/IOKit/graphics/IOGraphicsEngine.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      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.
                     11:  * 
                     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
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*
                     23:  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
                     24:  *
                     25:  * HISTORY
                     26:  *
                     27:  * 10 Mar 99 sdouglas created.
                     28:  */
                     29: 
                     30: 
                     31: struct IOGraphicsEngineContext {
                     32:     IOSharedLockData   contextLock;
                     33:     IOOptionBits       state;
                     34:     void *             owner;
                     35:     UInt32             version;
                     36:     IOByteCount        structSize;
                     37:     UInt32             reserved[ 8 ];
                     38: };
                     39: #ifndef __cplusplus
                     40: typedef volatile struct IOGraphicsEngineContext IOGraphicsEngineContext;
                     41: #endif
                     42: 
                     43: enum {
                     44:     // memory type for IOMapMemory
                     45:     kIOGraphicsEngineContext           = 100
                     46: };
                     47: 
                     48: enum {
                     49:     // version
                     50:     kIOGraphicsEngineContextVersion    = 1
                     51: };

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