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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/*
* Copyright (c) 1998-2001 by The XFree86 Project, Inc.
*
* 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
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 copyright holder(s)
* and author(s) 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 copyright holder(s) and author(s).
*/
#ifndef _XF86FBMAN_H
#define _XF86FBMAN_H
#include "scrnintstr.h"
#include "regionstr.h"
#define FAVOR_AREA_THEN_WIDTH 0
#define FAVOR_AREA_THEN_HEIGHT 1
#define FAVOR_WIDTH_THEN_AREA 2
#define FAVOR_HEIGHT_THEN_AREA 3
#define PRIORITY_LOW 0
#define PRIORITY_NORMAL 1
#define PRIORITY_EXTREME 2
typedef struct _FBArea {
ScreenPtr pScreen;
BoxRec box;
int granularity;
void (*MoveAreaCallback)(struct _FBArea*, struct _FBArea*);
void (*RemoveAreaCallback)(struct _FBArea*);
DevUnion devPrivate;
} FBArea, *FBAreaPtr;
typedef struct _FBLinear {
ScreenPtr pScreen;
int size;
int offset;
int granularity;
void (*MoveLinearCallback)(struct _FBLinear*, struct _FBLinear*);
void (*RemoveLinearCallback)(struct _FBLinear*);
DevUnion devPrivate;
} FBLinear, *FBLinearPtr;
typedef void (*FreeBoxCallbackProcPtr)(ScreenPtr, RegionPtr, pointer);
typedef void (*MoveAreaCallbackProcPtr)(FBAreaPtr, FBAreaPtr);
typedef void (*RemoveAreaCallbackProcPtr)(FBAreaPtr);
typedef void (*MoveLinearCallbackProcPtr)(FBLinearPtr, FBLinearPtr);
typedef void (*RemoveLinearCallbackProcPtr)(FBLinearPtr);
typedef struct {
FBAreaPtr (*AllocateOffscreenArea)(
ScreenPtr pScreen,
int w, int h,
int granularity,
MoveAreaCallbackProcPtr moveCB,
RemoveAreaCallbackProcPtr removeCB,
pointer privData);
void (*FreeOffscreenArea)(FBAreaPtr area);
Bool (*ResizeOffscreenArea)(FBAreaPtr area, int w, int h);
Bool (*QueryLargestOffscreenArea)(
ScreenPtr pScreen,
int *width, int *height,
int granularity,
int preferences,
int priority);
Bool (*RegisterFreeBoxCallback)(
ScreenPtr pScreen,
FreeBoxCallbackProcPtr FreeBoxCallback,
pointer devPriv);
/* linear functions */
FBLinearPtr (*AllocateOffscreenLinear)(
ScreenPtr pScreen,
int size,
int granularity,
MoveLinearCallbackProcPtr moveCB,
RemoveLinearCallbackProcPtr removeCB,
pointer privData);
void (*FreeOffscreenLinear)(FBLinearPtr area);
Bool (*ResizeOffscreenLinear)(FBLinearPtr area, int size);
Bool (*QueryLargestOffscreenLinear)(
ScreenPtr pScreen,
int *size,
int granularity,
int priority);
Bool (*PurgeOffscreenAreas) (ScreenPtr);
} FBManagerFuncs, *FBManagerFuncsPtr;
Bool xf86RegisterOffscreenManager(
ScreenPtr pScreen,
FBManagerFuncsPtr funcs
);
Bool
xf86InitFBManagerRegion(
ScreenPtr pScreen,
RegionPtr ScreenRegion
);
Bool
xf86InitFBManagerArea(
ScreenPtr pScreen,
int PixalArea,
int Verbosity
);
Bool
xf86InitFBManager(
ScreenPtr pScreen,
BoxPtr FullBox
);
Bool
xf86InitFBManagerLinear(
ScreenPtr pScreen,
int offset,
int size
);
Bool
xf86FBManagerRunning(
ScreenPtr pScreen
);
FBAreaPtr
xf86AllocateOffscreenArea (
ScreenPtr pScreen,
int w, int h,
int granularity,
MoveAreaCallbackProcPtr moveCB,
RemoveAreaCallbackProcPtr removeCB,
pointer privData
);
FBAreaPtr
xf86AllocateLinearOffscreenArea (
ScreenPtr pScreen,
int length,
int granularity,
MoveAreaCallbackProcPtr moveCB,
RemoveAreaCallbackProcPtr removeCB,
pointer privData
);
FBLinearPtr
xf86AllocateOffscreenLinear (
ScreenPtr pScreen,
int length,
int granularity,
MoveLinearCallbackProcPtr moveCB,
RemoveLinearCallbackProcPtr removeCB,
pointer privData
);
void xf86FreeOffscreenArea(FBAreaPtr area);
void xf86FreeOffscreenLinear(FBLinearPtr area);
Bool
xf86ResizeOffscreenArea(
FBAreaPtr resize,
int w, int h
);
Bool
xf86ResizeOffscreenLinear(
FBLinearPtr resize,
int size
);
Bool
xf86RegisterFreeBoxCallback(
ScreenPtr pScreen,
FreeBoxCallbackProcPtr FreeBoxCallback,
pointer devPriv
);
Bool
xf86PurgeUnlockedOffscreenAreas(
ScreenPtr pScreen
);
Bool
xf86QueryLargestOffscreenArea(
ScreenPtr pScreen,
int *width, int *height,
int granularity,
int preferences,
int priority
);
Bool
xf86QueryLargestOffscreenLinear(
ScreenPtr pScreen,
int *size,
int granularity,
int priority
);
#endif /* _XF86FBMAN_H */
|
