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a09e091a JB |
1 | /* |
2 | * | |
3 | * Copyright © 2000 Keith Packard | |
4 | * | |
5 | * Permission to use, copy, modify, distribute, and sell this software and its | |
6 | * documentation for any purpose is hereby granted without fee, provided that | |
7 | * the above copyright notice appear in all copies and that both that | |
8 | * copyright notice and this permission notice appear in supporting | |
9 | * documentation, and that the name of Keith Packard not be used in | |
10 | * advertising or publicity pertaining to distribution of the software without | |
11 | * specific, written prior permission. Keith Packard makes no | |
12 | * representations about the suitability of this software for any purpose. It | |
13 | * is provided "as is" without express or implied warranty. | |
14 | * | |
15 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
17 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
21 | * PERFORMANCE OF THIS SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifndef _SHADOW_H_ | |
25 | #define _SHADOW_H_ | |
26 | ||
27 | #include "scrnintstr.h" | |
28 | ||
29 | #include "picturestr.h" | |
30 | ||
31 | #include "damage.h" | |
32 | #include "damagestr.h" | |
33 | typedef struct _shadowBuf *shadowBufPtr; | |
34 | ||
35 | typedef void (*ShadowUpdateProc) (ScreenPtr pScreen, shadowBufPtr pBuf); | |
36 | ||
37 | #define SHADOW_WINDOW_RELOCATE 1 | |
38 | #define SHADOW_WINDOW_READ 2 | |
39 | #define SHADOW_WINDOW_WRITE 4 | |
40 | ||
41 | typedef void *(*ShadowWindowProc) (ScreenPtr pScreen, | |
42 | CARD32 row, | |
43 | CARD32 offset, | |
44 | int mode, CARD32 *size, void *closure); | |
45 | ||
46 | /* BC hack: do not move the damage member. see shadow.c for explanation. */ | |
47 | typedef struct _shadowBuf { | |
48 | DamagePtr pDamage; | |
49 | ShadowUpdateProc update; | |
50 | ShadowWindowProc window; | |
51 | RegionRec damage; | |
52 | PixmapPtr pPixmap; | |
53 | void *closure; | |
54 | int randr; | |
55 | ||
56 | /* screen wrappers */ | |
57 | GetImageProcPtr GetImage; | |
58 | CloseScreenProcPtr CloseScreen; | |
59 | } shadowBufRec; | |
60 | ||
61 | /* Match defines from randr extension */ | |
62 | #define SHADOW_ROTATE_0 1 | |
63 | #define SHADOW_ROTATE_90 2 | |
64 | #define SHADOW_ROTATE_180 4 | |
65 | #define SHADOW_ROTATE_270 8 | |
66 | #define SHADOW_ROTATE_ALL (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\ | |
67 | SHADOW_ROTATE_180|SHADOW_ROTATE_270) | |
68 | #define SHADOW_REFLECT_X 16 | |
69 | #define SHADOW_REFLECT_Y 32 | |
70 | #define SHADOW_REFLECT_ALL (SHADOW_REFLECT_X|SHADOW_REFLECT_Y) | |
71 | ||
72 | extern _X_EXPORT DevPrivateKey shadowScrPrivateKey; | |
73 | ||
74 | #define shadowGetBuf(pScr) ((shadowBufPtr) \ | |
75 | dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey)) | |
76 | #define shadowBuf(pScr) shadowBufPtr pBuf = shadowGetBuf(pScr) | |
77 | #define shadowDamage(pBuf) DamageRegion(pBuf->pDamage) | |
78 | ||
79 | extern _X_EXPORT Bool | |
80 | shadowSetup(ScreenPtr pScreen); | |
81 | ||
82 | extern _X_EXPORT Bool | |
83 | ||
84 | shadowAdd(ScreenPtr pScreen, | |
85 | PixmapPtr pPixmap, | |
86 | ShadowUpdateProc update, | |
87 | ShadowWindowProc window, int randr, void *closure); | |
88 | ||
89 | extern _X_EXPORT void | |
90 | shadowRemove(ScreenPtr pScreen, PixmapPtr pPixmap); | |
91 | ||
92 | extern _X_EXPORT Bool | |
93 | ||
94 | shadowInit(ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window); | |
95 | ||
96 | extern _X_EXPORT void *shadowAlloc(int width, int height, int bpp); | |
97 | ||
98 | extern _X_EXPORT void | |
99 | shadowUpdateAfb4(ScreenPtr pScreen, shadowBufPtr pBuf); | |
100 | ||
101 | extern _X_EXPORT void | |
102 | shadowUpdateAfb8(ScreenPtr pScreen, shadowBufPtr pBuf); | |
103 | ||
104 | extern _X_EXPORT void | |
105 | shadowUpdateIplan2p4(ScreenPtr pScreen, shadowBufPtr pBuf); | |
106 | ||
107 | extern _X_EXPORT void | |
108 | shadowUpdateIplan2p8(ScreenPtr pScreen, shadowBufPtr pBuf); | |
109 | ||
110 | extern _X_EXPORT void | |
111 | shadowUpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf); | |
112 | ||
113 | extern _X_EXPORT void | |
114 | shadowUpdatePlanar4(ScreenPtr pScreen, shadowBufPtr pBuf); | |
115 | ||
116 | extern _X_EXPORT void | |
117 | shadowUpdatePlanar4x8(ScreenPtr pScreen, shadowBufPtr pBuf); | |
118 | ||
119 | extern _X_EXPORT void | |
120 | shadowUpdateRotatePacked(ScreenPtr pScreen, shadowBufPtr pBuf); | |
121 | ||
122 | extern _X_EXPORT void | |
123 | shadowUpdateRotate8_90(ScreenPtr pScreen, shadowBufPtr pBuf); | |
124 | ||
125 | extern _X_EXPORT void | |
126 | shadowUpdateRotate16_90(ScreenPtr pScreen, shadowBufPtr pBuf); | |
127 | ||
128 | extern _X_EXPORT void | |
129 | shadowUpdateRotate16_90YX(ScreenPtr pScreen, shadowBufPtr pBuf); | |
130 | ||
131 | extern _X_EXPORT void | |
132 | shadowUpdateRotate32_90(ScreenPtr pScreen, shadowBufPtr pBuf); | |
133 | ||
134 | extern _X_EXPORT void | |
135 | shadowUpdateRotate8_180(ScreenPtr pScreen, shadowBufPtr pBuf); | |
136 | ||
137 | extern _X_EXPORT void | |
138 | shadowUpdateRotate16_180(ScreenPtr pScreen, shadowBufPtr pBuf); | |
139 | ||
140 | extern _X_EXPORT void | |
141 | shadowUpdateRotate32_180(ScreenPtr pScreen, shadowBufPtr pBuf); | |
142 | ||
143 | extern _X_EXPORT void | |
144 | shadowUpdateRotate8_270(ScreenPtr pScreen, shadowBufPtr pBuf); | |
145 | ||
146 | extern _X_EXPORT void | |
147 | shadowUpdateRotate16_270(ScreenPtr pScreen, shadowBufPtr pBuf); | |
148 | ||
149 | extern _X_EXPORT void | |
150 | shadowUpdateRotate16_270YX(ScreenPtr pScreen, shadowBufPtr pBuf); | |
151 | ||
152 | extern _X_EXPORT void | |
153 | shadowUpdateRotate32_270(ScreenPtr pScreen, shadowBufPtr pBuf); | |
154 | ||
155 | extern _X_EXPORT void | |
156 | shadowUpdateRotate8(ScreenPtr pScreen, shadowBufPtr pBuf); | |
157 | ||
158 | extern _X_EXPORT void | |
159 | shadowUpdateRotate16(ScreenPtr pScreen, shadowBufPtr pBuf); | |
160 | ||
161 | extern _X_EXPORT void | |
162 | shadowUpdateRotate32(ScreenPtr pScreen, shadowBufPtr pBuf); | |
163 | ||
164 | typedef void (*shadowUpdateProc) (ScreenPtr, shadowBufPtr); | |
165 | ||
166 | extern _X_EXPORT shadowUpdateProc shadowUpdatePackedWeak(void); | |
167 | extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4Weak(void); | |
168 | extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4x8Weak(void); | |
169 | extern _X_EXPORT shadowUpdateProc shadowUpdateRotatePackedWeak(void); | |
170 | ||
171 | #endif /* _SHADOW_H_ */ |