text: /*
   * 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
  };
  