f78b12e570284aa8291f4ca1add24937fd107403vboxsync/******************************************************************************
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * Copyright (c) 1994, 1995 Hewlett-Packard Company
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * Permission is hereby granted, free of charge, to any person obtaining
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * a copy of this software and associated documentation files (the
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * "Software"), to deal in the Software without restriction, including
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * without limitation the rights to use, copy, modify, merge, publish,
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * distribute, sublicense, and/or sell copies of the Software, and to
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * permit persons to whom the Software is furnished to do so, subject to
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * the following conditions:
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * The above copyright notice and this permission notice shall be included
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * in all copies or substantial portions of the Software.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * Except as contained in this notice, the name of the Hewlett-Packard
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * Company shall not be used in advertising or otherwise to promote the
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * sale, use or other dealings in this Software without prior written
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * authorization from the Hewlett-Packard Company.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * Header file for DIX-related DBE
f78b12e570284aa8291f4ca1add24937fd107403vboxsync *****************************************************************************/
f78b12e570284aa8291f4ca1add24937fd107403vboxsync/* INCLUDES */
f78b12e570284aa8291f4ca1add24937fd107403vboxsynctypedef struct
f78b12e570284aa8291f4ca1add24937fd107403vboxsync VisualID visual; /* one visual ID that supports double-buffering */
f78b12e570284aa8291f4ca1add24937fd107403vboxsynctypedef struct
f78b12e570284aa8291f4ca1add24937fd107403vboxsync XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync/* DEFINES */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync#define DBE_SCREEN_PRIV(pScreen) ((DbeScreenPrivPtr) \
f78b12e570284aa8291f4ca1add24937fd107403vboxsync dixLookupPrivate(&(pScreen)->devPrivates, dbeScreenPrivKey))
f78b12e570284aa8291f4ca1add24937fd107403vboxsync#define DBE_SCREEN_PRIV_FROM_WINDOW_PRIV(pDbeWindowPriv) \
f78b12e570284aa8291f4ca1add24937fd107403vboxsync DBE_SCREEN_PRIV((pDbeWindowPriv)->pWindow->drawable.pScreen)
f78b12e570284aa8291f4ca1add24937fd107403vboxsync dixLookupPrivate(&(pWin)->devPrivates, dbeWindowPrivKey))
f78b12e570284aa8291f4ca1add24937fd107403vboxsync/* Initial size of the buffer ID array in the window priv. */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync/* Reallocation increment for the buffer ID array. */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync/* Marker for free elements in the buffer ID array. */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync/* TYPEDEFS */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync/* Record used to pass swap information between DIX and DDX swapping
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * procedures.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync ******************************************************************************
f78b12e570284aa8291f4ca1add24937fd107403vboxsync ** Per-window data
f78b12e570284aa8291f4ca1add24937fd107403vboxsync ******************************************************************************
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* A pointer to the window with which the DBE window private (buffer) is
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * associated.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Last known swap action for this buffer. Legal values for this field
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * are XdbeUndefined, XdbeBackground, XdbeUntouched, and XdbeCopied.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Last known buffer size.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Coordinates used for static gravity when the window is positioned.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync short x, y;
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Number of XIDs associated with this buffer.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Capacity of the current buffer ID array, IDs. */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Pointer to the array of buffer IDs. This initially points to initIDs.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * When the static limit of the initIDs array is reached, the array is
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * reallocated and this pointer is set to the new array instead of initIDs.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Initial array of buffer IDs. We are defining the XID array within the
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * window priv to optimize for data locality. In most cases, only one
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * buffer will be associated with a window. Having the array declared
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * here can prevent us from accessing the data in another memory page,
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * possibly resulting in a page swap and loss of performance. Initially we
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * will use this array to store buffer IDs. For situations where we have
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * more IDs than can fit in this static array, we will allocate a larger
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * array to use, possibly suffering a performance loss.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Device-specific private information.
f78b12e570284aa8291f4ca1add24937fd107403vboxsync ******************************************************************************
f78b12e570284aa8291f4ca1add24937fd107403vboxsync ** Per-screen data
f78b12e570284aa8291f4ca1add24937fd107403vboxsync ******************************************************************************
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Wrapped functions
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * It is the responsibilty of the DDX layer to wrap PositionWindow().
f78b12e570284aa8291f4ca1add24937fd107403vboxsync * DbeExtensionInit wraps DestroyWindow().
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Per-screen DIX routines */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync /* Per-screen DDX routines */
f78b12e570284aa8291f4ca1add24937fd107403vboxsync int /*swapAction*/
f78b12e570284aa8291f4ca1add24937fd107403vboxsync int * /*pNumWindows*/,
f78b12e570284aa8291f4ca1add24937fd107403vboxsync#endif /* DBE_STRUCT_H */