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1 | |
2 | /* | |
3 | * Copyright (c) 1998-2001 by The XFree86 Project, Inc. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included in | |
13 | * all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
21 | * OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Except as contained in this notice, the name of the copyright holder(s) | |
24 | * and author(s) shall not be used in advertising or otherwise to promote | |
25 | * the sale, use or other dealings in this Software without prior written | |
26 | * authorization from the copyright holder(s) and author(s). | |
27 | */ | |
28 | ||
29 | #ifndef _XF86FBMAN_H | |
30 | #define _XF86FBMAN_H | |
31 | ||
32 | #include "scrnintstr.h" | |
33 | #include "regionstr.h" | |
34 | ||
35 | #define FAVOR_AREA_THEN_WIDTH 0 | |
36 | #define FAVOR_AREA_THEN_HEIGHT 1 | |
37 | #define FAVOR_WIDTH_THEN_AREA 2 | |
38 | #define FAVOR_HEIGHT_THEN_AREA 3 | |
39 | ||
40 | #define PRIORITY_LOW 0 | |
41 | #define PRIORITY_NORMAL 1 | |
42 | #define PRIORITY_EXTREME 2 | |
43 | ||
44 | typedef struct _FBArea { | |
45 | ScreenPtr pScreen; | |
46 | BoxRec box; | |
47 | int granularity; | |
48 | void (*MoveAreaCallback) (struct _FBArea *, struct _FBArea *); | |
49 | void (*RemoveAreaCallback) (struct _FBArea *); | |
50 | DevUnion devPrivate; | |
51 | } FBArea, *FBAreaPtr; | |
52 | ||
53 | typedef struct _FBLinear { | |
54 | ScreenPtr pScreen; | |
55 | int size; | |
56 | int offset; | |
57 | int granularity; | |
58 | void (*MoveLinearCallback) (struct _FBLinear *, struct _FBLinear *); | |
59 | void (*RemoveLinearCallback) (struct _FBLinear *); | |
60 | DevUnion devPrivate; | |
61 | } FBLinear, *FBLinearPtr; | |
62 | ||
63 | typedef void (*FreeBoxCallbackProcPtr) (ScreenPtr, RegionPtr, pointer); | |
64 | typedef void (*MoveAreaCallbackProcPtr) (FBAreaPtr, FBAreaPtr); | |
65 | typedef void (*RemoveAreaCallbackProcPtr) (FBAreaPtr); | |
66 | ||
67 | typedef void (*MoveLinearCallbackProcPtr) (FBLinearPtr, FBLinearPtr); | |
68 | typedef void (*RemoveLinearCallbackProcPtr) (FBLinearPtr); | |
69 | ||
70 | typedef struct { | |
71 | FBAreaPtr(*AllocateOffscreenArea) (ScreenPtr pScreen, | |
72 | int w, int h, | |
73 | int granularity, | |
74 | MoveAreaCallbackProcPtr moveCB, | |
75 | RemoveAreaCallbackProcPtr removeCB, | |
76 | pointer privData); | |
77 | void (*FreeOffscreenArea) (FBAreaPtr area); | |
78 | Bool (*ResizeOffscreenArea) (FBAreaPtr area, int w, int h); | |
79 | Bool (*QueryLargestOffscreenArea) (ScreenPtr pScreen, | |
80 | int *width, int *height, | |
81 | int granularity, | |
82 | int preferences, int priority); | |
83 | Bool (*RegisterFreeBoxCallback) (ScreenPtr pScreen, | |
84 | FreeBoxCallbackProcPtr FreeBoxCallback, | |
85 | pointer devPriv); | |
86 | /* linear functions */ | |
87 | FBLinearPtr(*AllocateOffscreenLinear) (ScreenPtr pScreen, | |
88 | int size, | |
89 | int granularity, | |
90 | MoveLinearCallbackProcPtr moveCB, | |
91 | RemoveLinearCallbackProcPtr | |
92 | removeCB, pointer privData); | |
93 | void (*FreeOffscreenLinear) (FBLinearPtr area); | |
94 | Bool (*ResizeOffscreenLinear) (FBLinearPtr area, int size); | |
95 | Bool (*QueryLargestOffscreenLinear) (ScreenPtr pScreen, | |
96 | int *size, | |
97 | int granularity, int priority); | |
98 | Bool (*PurgeOffscreenAreas) (ScreenPtr); | |
99 | } FBManagerFuncs, *FBManagerFuncsPtr; | |
100 | ||
101 | extern _X_EXPORT Bool xf86RegisterOffscreenManager(ScreenPtr pScreen, | |
102 | FBManagerFuncsPtr funcs); | |
103 | ||
104 | extern _X_EXPORT Bool | |
105 | xf86InitFBManagerRegion(ScreenPtr pScreen, RegionPtr ScreenRegion); | |
106 | ||
107 | extern _X_EXPORT Bool | |
108 | xf86InitFBManagerArea(ScreenPtr pScreen, int PixalArea, int Verbosity); | |
109 | ||
110 | extern _X_EXPORT Bool | |
111 | xf86InitFBManager(ScreenPtr pScreen, BoxPtr FullBox); | |
112 | ||
113 | extern _X_EXPORT Bool | |
114 | xf86InitFBManagerLinear(ScreenPtr pScreen, int offset, int size); | |
115 | ||
116 | extern _X_EXPORT Bool | |
117 | xf86FBManagerRunning(ScreenPtr pScreen); | |
118 | ||
119 | extern _X_EXPORT FBAreaPtr | |
120 | xf86AllocateOffscreenArea(ScreenPtr pScreen, | |
121 | int w, int h, | |
122 | int granularity, | |
123 | MoveAreaCallbackProcPtr moveCB, | |
124 | RemoveAreaCallbackProcPtr removeCB, pointer privData); | |
125 | ||
126 | extern _X_EXPORT FBAreaPtr | |
127 | xf86AllocateLinearOffscreenArea(ScreenPtr pScreen, | |
128 | int length, | |
129 | int granularity, | |
130 | MoveAreaCallbackProcPtr moveCB, | |
131 | RemoveAreaCallbackProcPtr removeCB, | |
132 | pointer privData); | |
133 | ||
134 | extern _X_EXPORT FBLinearPtr | |
135 | xf86AllocateOffscreenLinear(ScreenPtr pScreen, | |
136 | int length, | |
137 | int granularity, | |
138 | MoveLinearCallbackProcPtr moveCB, | |
139 | RemoveLinearCallbackProcPtr removeCB, | |
140 | pointer privData); | |
141 | ||
142 | extern _X_EXPORT void xf86FreeOffscreenArea(FBAreaPtr area); | |
143 | extern _X_EXPORT void xf86FreeOffscreenLinear(FBLinearPtr area); | |
144 | ||
145 | extern _X_EXPORT Bool | |
146 | xf86ResizeOffscreenArea(FBAreaPtr resize, int w, int h); | |
147 | ||
148 | extern _X_EXPORT Bool | |
149 | xf86ResizeOffscreenLinear(FBLinearPtr resize, int size); | |
150 | ||
151 | extern _X_EXPORT Bool | |
152 | ||
153 | xf86RegisterFreeBoxCallback(ScreenPtr pScreen, | |
154 | FreeBoxCallbackProcPtr FreeBoxCallback, | |
155 | pointer devPriv); | |
156 | ||
157 | extern _X_EXPORT Bool | |
158 | xf86PurgeUnlockedOffscreenAreas(ScreenPtr pScreen); | |
159 | ||
160 | extern _X_EXPORT Bool | |
161 | ||
162 | xf86QueryLargestOffscreenArea(ScreenPtr pScreen, | |
163 | int *width, int *height, | |
164 | int granularity, int preferences, int priority); | |
165 | ||
166 | extern _X_EXPORT Bool | |
167 | ||
168 | xf86QueryLargestOffscreenLinear(ScreenPtr pScreen, | |
169 | int *size, int granularity, int priority); | |
170 | ||
171 | #endif /* _XF86FBMAN_H */ |