1706f2543Smrg/******************************************************************************
2706f2543Smrg *
3706f2543Smrg * Copyright (c) 1994, 1995  Hewlett-Packard Company
4706f2543Smrg *
5706f2543Smrg * Permission is hereby granted, free of charge, to any person obtaining
6706f2543Smrg * a copy of this software and associated documentation files (the
7706f2543Smrg * "Software"), to deal in the Software without restriction, including
8706f2543Smrg * without limitation the rights to use, copy, modify, merge, publish,
9706f2543Smrg * distribute, sublicense, and/or sell copies of the Software, and to
10706f2543Smrg * permit persons to whom the Software is furnished to do so, subject to
11706f2543Smrg * the following conditions:
12706f2543Smrg *
13706f2543Smrg * The above copyright notice and this permission notice shall be included
14706f2543Smrg * in all copies or substantial portions of the Software.
15706f2543Smrg *
16706f2543Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17706f2543Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18706f2543Smrg * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19706f2543Smrg * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
20706f2543Smrg * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21706f2543Smrg * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
22706f2543Smrg * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23706f2543Smrg *
24706f2543Smrg * Except as contained in this notice, the name of the Hewlett-Packard
25706f2543Smrg * Company shall not be used in advertising or otherwise to promote the
26706f2543Smrg * sale, use or other dealings in this Software without prior written
27706f2543Smrg * authorization from the Hewlett-Packard Company.
28706f2543Smrg *
29706f2543Smrg *     Header file for users of machine-independent DBE code
30706f2543Smrg *
31706f2543Smrg *****************************************************************************/
32706f2543Smrg
33706f2543Smrg
34706f2543Smrg#ifdef HAVE_DIX_CONFIG_H
35706f2543Smrg#include <dix-config.h>
36706f2543Smrg#endif
37706f2543Smrg
38706f2543Smrg#ifndef MIDBE_STRUCT_H
39706f2543Smrg#define MIDBE_STRUCT_H
40706f2543Smrg
41706f2543Smrg
42706f2543Smrg/* DEFINES */
43706f2543Smrg
44706f2543Smrg#define MI_DBE_WINDOW_PRIV_PRIV(pDbeWindowPriv) \
45706f2543Smrg    (!(pDbeWindowPriv) ? NULL : (MiDbeWindowPrivPrivPtr) \
46706f2543Smrg     dixLookupPrivate(&(pDbeWindowPriv)->devPrivates, miDbeWindowPrivPrivKey))
47706f2543Smrg
48706f2543Smrg#define MI_DBE_WINDOW_PRIV_PRIV_FROM_WINDOW(pWin)\
49706f2543Smrg    MI_DBE_WINDOW_PRIV_PRIV(DBE_WINDOW_PRIV(pWin))
50706f2543Smrg
51706f2543Smrg/* TYPEDEFS */
52706f2543Smrg
53706f2543Smrgtypedef struct _MiDbeWindowPrivPrivRec
54706f2543Smrg{
55706f2543Smrg    /* Place machine-specific fields in here.
56706f2543Smrg     * Since this is mi code, we do not really have machine-specific fields.
57706f2543Smrg     */
58706f2543Smrg
59706f2543Smrg    /* Pointer to a drawable that contains the contents of the back buffer.
60706f2543Smrg     */
61706f2543Smrg    PixmapPtr		pBackBuffer;
62706f2543Smrg
63706f2543Smrg    /* Pointer to a drawable that contains the contents of the front buffer.
64706f2543Smrg     * This pointer is only used for the XdbeUntouched swap action.  For that
65706f2543Smrg     * swap action, we need to copy the front buffer (window) contents into
66706f2543Smrg     * this drawable, copy the contents of current back buffer drawable (the
67706f2543Smrg     * back buffer) into the window, swap the front and back drawable pointers,
68706f2543Smrg     * and then swap the drawable/resource associations in the resource
69706f2543Smrg     * database.
70706f2543Smrg     */
71706f2543Smrg    PixmapPtr		pFrontBuffer;
72706f2543Smrg
73706f2543Smrg    /* Pointer back to our window private with which we are associated. */
74706f2543Smrg    DbeWindowPrivPtr	pDbeWindowPriv;
75706f2543Smrg
76706f2543Smrg} MiDbeWindowPrivPrivRec, *MiDbeWindowPrivPrivPtr;
77706f2543Smrg
78706f2543Smrg#endif /* MIDBE_STRUCT_H */
79706f2543Smrg
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