This file is indexed.

/usr/include/xorg/dbestruct.h is in xserver-xorg-dev 2:1.15.1-0ubuntu2.11.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
/******************************************************************************
 * 
 * Copyright (c) 1994, 1995  Hewlett-Packard Company
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 * Except as contained in this notice, the name of the Hewlett-Packard
 * Company shall not be used in advertising or otherwise to promote the
 * sale, use or other dealings in this Software without prior written
 * authorization from the Hewlett-Packard Company.
 * 
 *     Header file for DIX-related DBE
 *
 *****************************************************************************/

#ifndef DBE_STRUCT_H
#define DBE_STRUCT_H

/* INCLUDES */

#define NEED_DBE_PROTOCOL
#include <X11/extensions/dbeproto.h>
#include "windowstr.h"
#include "privates.h"

typedef struct {
    VisualID visual;            /* one visual ID that supports double-buffering */
    int depth;                  /* depth of visual in bits                      */
    int perflevel;              /* performance level of visual                  */
} XdbeVisualInfo;

typedef struct {
    int count;                  /* number of items in visual_depth   */
    XdbeVisualInfo *visinfo;    /* list of visuals & depths for scrn */
} XdbeScreenVisualInfo;

/* DEFINES */

#define DBE_SCREEN_PRIV(pScreen) ((DbeScreenPrivPtr) \
    dixLookupPrivate(&(pScreen)->devPrivates, dbeScreenPrivKey))

#define DBE_SCREEN_PRIV_FROM_DRAWABLE(pDrawable) \
    DBE_SCREEN_PRIV((pDrawable)->pScreen)

#define DBE_SCREEN_PRIV_FROM_WINDOW_PRIV(pDbeWindowPriv) \
    DBE_SCREEN_PRIV((pDbeWindowPriv)->pWindow->drawable.pScreen)

#define DBE_SCREEN_PRIV_FROM_WINDOW(pWindow) \
    DBE_SCREEN_PRIV((pWindow)->drawable.pScreen)

#define DBE_SCREEN_PRIV_FROM_PIXMAP(pPixmap) \
    DBE_SCREEN_PRIV((pPixmap)->drawable.pScreen)

#define DBE_SCREEN_PRIV_FROM_GC(pGC)\
    DBE_SCREEN_PRIV((pGC)->pScreen)

#define DBE_WINDOW_PRIV(pWin) ((DbeWindowPrivPtr) \
    dixLookupPrivate(&(pWin)->devPrivates, dbeWindowPrivKey))

/* Initial size of the buffer ID array in the window priv. */
#define DBE_INIT_MAX_IDS	2

/* Reallocation increment for the buffer ID array. */
#define DBE_INCR_MAX_IDS	4

/* Marker for free elements in the buffer ID array. */
#define DBE_FREE_ID_ELEMENT	0

/* TYPEDEFS */

/* Record used to pass swap information between DIX and DDX swapping
 * procedures.
 */
typedef struct _DbeSwapInfoRec {
    WindowPtr pWindow;
    unsigned char swapAction;

} DbeSwapInfoRec, *DbeSwapInfoPtr;

/*
 ******************************************************************************
 ** Per-window data
 ******************************************************************************
 */

typedef struct _DbeWindowPrivRec {
    /* A pointer to the window with which the DBE window private (buffer) is
     * associated.
     */
    WindowPtr pWindow;

    /* Last known swap action for this buffer.  Legal values for this field
     * are XdbeUndefined, XdbeBackground, XdbeUntouched, and XdbeCopied.
     */
    unsigned char swapAction;

    /* Last known buffer size.
     */
    unsigned short width, height;

    /* Coordinates used for static gravity when the window is positioned.
     */
    short x, y;

    /* Number of XIDs associated with this buffer.
     */
    int nBufferIDs;

    /* Capacity of the current buffer ID array, IDs. */
    int maxAvailableIDs;

    /* Pointer to the array of buffer IDs.  This initially points to initIDs.
     * When the static limit of the initIDs array is reached, the array is
     * reallocated and this pointer is set to the new array instead of initIDs.
     */
    XID *IDs;

    /* Initial array of buffer IDs.  We are defining the XID array within the
     * window priv to optimize for data locality.  In most cases, only one
     * buffer will be associated with a window.  Having the array declared
     * here can prevent us from accessing the data in another memory page,
     * possibly resulting in a page swap and loss of performance.  Initially we
     * will use this array to store buffer IDs.  For situations where we have
     * more IDs than can fit in this static array, we will allocate a larger
     * array to use, possibly suffering a performance loss. 
     */
    XID initIDs[DBE_INIT_MAX_IDS];

    /* Pointer to a drawable that contains the contents of the back buffer.
     */
    PixmapPtr pBackBuffer;

    /* Pointer to a drawable that contains the contents of the front buffer.
     * This pointer is only used for the XdbeUntouched swap action.  For that
     * swap action, we need to copy the front buffer (window) contents into
     * this drawable, copy the contents of current back buffer drawable (the
     * back buffer) into the window, swap the front and back drawable pointers,
     * and then swap the drawable/resource associations in the resource
     * database.
     */
    PixmapPtr pFrontBuffer;

    /* Device-specific private information.
     */
    PrivateRec *devPrivates;

} DbeWindowPrivRec, *DbeWindowPrivPtr;

/*
 ******************************************************************************
 ** Per-screen data
 ******************************************************************************
 */

typedef struct _DbeScreenPrivRec {
    /* Wrapped functions
     * It is the responsibilty of the DDX layer to wrap PositionWindow().
     * DbeExtensionInit wraps DestroyWindow().
     */
    PositionWindowProcPtr PositionWindow;
    DestroyWindowProcPtr DestroyWindow;

    /* Per-screen DIX routines */
    Bool (*SetupBackgroundPainter) (WindowPtr /*pWin */ ,
                                    GCPtr       /*pGC */
        );

    /* Per-screen DDX routines */
    Bool (*GetVisualInfo) (ScreenPtr /*pScreen */ ,
                           XdbeScreenVisualInfo *       /*pVisInfo */
        );
    int (*AllocBackBufferName) (WindowPtr /*pWin */ ,
                                XID /*bufId */ ,
                                int     /*swapAction */
        );
    int (*SwapBuffers) (ClientPtr /*client */ ,
                        int * /*pNumWindows */ ,
                        DbeSwapInfoPtr  /*swapInfo */
        );
    void (*WinPrivDelete) (DbeWindowPrivPtr /*pDbeWindowPriv */ ,
                           XID  /*bufId */
        );
} DbeScreenPrivRec, *DbeScreenPrivPtr;

#endif                          /* DBE_STRUCT_H */