03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/******************************************************************************
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Copyright (c) 1994, 1995 Hewlett-Packard Company
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Permission is hereby granted, free of charge, to any person obtaining
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * a copy of this software and associated documentation files (the
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * "Software"), to deal in the Software without restriction, including
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * without limitation the rights to use, copy, modify, merge, publish,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * distribute, sublicense, and/or sell copies of the Software, and to
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * permit persons to whom the Software is furnished to do so, subject to
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * the following conditions:
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * The above copyright notice and this permission notice shall be included
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * in all copies or substantial portions of the Software.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Except as contained in this notice, the name of the Hewlett-Packard
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Company shall not be used in advertising or otherwise to promote the
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * sale, use or other dealings in this Software without prior written
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * authorization from the Hewlett-Packard Company.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * Header file for DIX-related DBE
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync *****************************************************************************/
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* INCLUDES */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef struct {
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync VisualID visual; /* one visual ID that supports double-buffering */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsynctypedef struct {
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* DEFINES */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define DBE_SCREEN_PRIV(pScreen) ((DbeScreenPrivPtr) \
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync dixLookupPrivate(&(pScreen)->devPrivates, dbeScreenPrivKey))
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#define DBE_SCREEN_PRIV_FROM_WINDOW_PRIV(pDbeWindowPriv) \
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync DBE_SCREEN_PRIV((pDbeWindowPriv)->pWindow->drawable.pScreen)
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync dixLookupPrivate(&(pWin)->devPrivates, dbeWindowPrivKey))
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Initial size of the buffer ID array in the window priv. */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Reallocation increment for the buffer ID array. */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Marker for free elements in the buffer ID array. */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* TYPEDEFS */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync/* Record used to pass swap information between DIX and DDX swapping
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * procedures.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync ******************************************************************************
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync ** Per-window data
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync ******************************************************************************
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* A pointer to the window with which the DBE window private (buffer) is
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * associated.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Last known swap action for this buffer. Legal values for this field
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * are XdbeUndefined, XdbeBackground, XdbeUntouched, and XdbeCopied.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Last known buffer size.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Coordinates used for static gravity when the window is positioned.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync short x, y;
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Number of XIDs associated with this buffer.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Capacity of the current buffer ID array, IDs. */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Pointer to the array of buffer IDs. This initially points to initIDs.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * When the static limit of the initIDs array is reached, the array is
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * reallocated and this pointer is set to the new array instead of initIDs.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Initial array of buffer IDs. We are defining the XID array within the
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * window priv to optimize for data locality. In most cases, only one
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * buffer will be associated with a window. Having the array declared
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * here can prevent us from accessing the data in another memory page,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * possibly resulting in a page swap and loss of performance. Initially we
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * will use this array to store buffer IDs. For situations where we have
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * more IDs than can fit in this static array, we will allocate a larger
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * array to use, possibly suffering a performance loss.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Device-specific private information.
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync ******************************************************************************
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync ** Per-screen data
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync ******************************************************************************
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Wrapped functions
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * It is the responsibilty of the DDX layer to wrap PositionWindow().
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync * DbeExtensionInit wraps DestroyWindow().
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Per-screen DIX routines */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync Bool (*SetupBackgroundPainter) (WindowPtr /*pWin */ ,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync /* Per-screen DDX routines */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync int /*swapAction */
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync int * /*pNumWindows */ ,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync void (*WinPrivDelete) (DbeWindowPrivPtr /*pDbeWindowPriv */ ,
03532efdc331b598d3dedc8cc7477641c3b0dd12vboxsync#endif /* DBE_STRUCT_H */