040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/******************************************************************************
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Copyright (c) 1994, 1995 Hewlett-Packard Company
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Permission is hereby granted, free of charge, to any person obtaining
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * a copy of this software and associated documentation files (the
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * "Software"), to deal in the Software without restriction, including
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * without limitation the rights to use, copy, modify, merge, publish,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * distribute, sublicense, and/or sell copies of the Software, and to
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * permit persons to whom the Software is furnished to do so, subject to
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * the following conditions:
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * The above copyright notice and this permission notice shall be included
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * in all copies or substantial portions of the Software.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Except as contained in this notice, the name of the Hewlett-Packard
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Company shall not be used in advertising or otherwise to promote the
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * sale, use or other dealings in this Software without prior written
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * authorization from the Hewlett-Packard Company.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * Header file for DIX-related DBE
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync *****************************************************************************/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* INCLUDES */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* DEFINES */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define DBE_SCREEN_PRIV(pScreen) ((DbeScreenPrivPtr) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync dixLookupPrivate(&(pScreen)->devPrivates, dbeScreenPrivKey))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#define DBE_SCREEN_PRIV_FROM_WINDOW_PRIV(pDbeWindowPriv) \
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync DBE_SCREEN_PRIV((pDbeWindowPriv)->pWindow->drawable.pScreen)
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync dixLookupPrivate(&(pWin)->devPrivates, dbeWindowPrivKey))
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Initial size of the buffer ID array in the window priv. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Reallocation increment for the buffer ID array. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Marker for free elements in the buffer ID array. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* TYPEDEFS */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync/* Record used to pass swap information between DIX and DDX swapping
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * procedures.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ******************************************************************************
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ** Per-window data
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ******************************************************************************
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* A pointer to the window with which the DBE window private (buffer) is
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * associated.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Last known swap action for this buffer. Legal values for this field
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * are XdbeUndefined, XdbeBackground, XdbeUntouched, and XdbeCopied.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Last known buffer size.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Coordinates used for static gravity when the window is positioned.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync short x, y;
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Number of XIDs associated with this buffer.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Capacity of the current buffer ID array, IDs. */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Pointer to the array of buffer IDs. This initially points to initIDs.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * When the static limit of the initIDs array is reached, the array is
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * reallocated and this pointer is set to the new array instead of initIDs.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Initial array of buffer IDs. We are defining the XID array within the
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * window priv to optimize for data locality. In most cases, only one
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * buffer will be associated with a window. Having the array declared
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * here can prevent us from accessing the data in another memory page,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * possibly resulting in a page swap and loss of performance. Initially we
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * will use this array to store buffer IDs. For situations where we have
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * more IDs than can fit in this static array, we will allocate a larger
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * array to use, possibly suffering a performance loss.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Device-specific private information.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ******************************************************************************
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ** Per-screen data
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync ******************************************************************************
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Resources created by DIX to be used by DDX */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Private indices created by DIX to be used by DDX */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Wrapped functions
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * It is the responsibilty of the DDX layer to wrap PositionWindow().
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync * DbeExtensionInit wraps DestroyWindow().
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Per-screen DIX routines */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Per-screen DDX routines */
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int /*swapAction*/
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync int * /*pNumWindows*/,
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync /* Device-specific private information.
040abec2534dadc53ebc8fa378ef03f4feecb7dbvboxsync#endif /* DBE_STRUCT_H */