summaryrefslogtreecommitdiff
path: root/miext/shadow/shadow.h
blob: c9a4100c4886c6902dfc251191346e253b6f92fb (plain)
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
/*
 *
 * Copyright © 2000 Keith Packard
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Keith Packard not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Keith Packard makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _SHADOW_H_
#define _SHADOW_H_

#include "scrnintstr.h"

#include "picturestr.h"

#include "damage.h"
#include "damagestr.h"
typedef struct _shadowBuf *shadowBufPtr;

typedef void (*ShadowUpdateProc) (ScreenPtr pScreen, shadowBufPtr pBuf);

#define SHADOW_WINDOW_RELOCATE 1
#define SHADOW_WINDOW_READ 2
#define SHADOW_WINDOW_WRITE 4

typedef void *(*ShadowWindowProc) (ScreenPtr pScreen,
                                   CARD32 row,
                                   CARD32 offset,
                                   int mode, CARD32 *size, void *closure);

typedef struct _shadowBuf {
    DamagePtr pDamage;
    ShadowUpdateProc update;
    ShadowWindowProc window;
    PixmapPtr pPixmap;
    void *closure;
    int randr;

    /* screen wrappers */
    GetImageProcPtr GetImage;
    CloseScreenProcPtr CloseScreen;
    ScreenBlockHandlerProcPtr BlockHandler;
} shadowBufRec;

/* Match defines from randr extension */
#define SHADOW_ROTATE_0	    1
#define SHADOW_ROTATE_90    2
#define SHADOW_ROTATE_180   4
#define SHADOW_ROTATE_270   8
#define SHADOW_ROTATE_ALL   (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
			     SHADOW_ROTATE_180|SHADOW_ROTATE_270)
#define SHADOW_REFLECT_X    16
#define SHADOW_REFLECT_Y    32
#define SHADOW_REFLECT_ALL  (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)

extern _X_EXPORT DevPrivateKey shadowScrPrivateKey;

#define shadowGetBuf(pScr) ((shadowBufPtr) \
    dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey))
#define shadowBuf(pScr)            shadowBufPtr pBuf = shadowGetBuf(pScr)
#define shadowDamage(pBuf)  DamageRegion(pBuf->pDamage)

extern _X_EXPORT Bool
 shadowSetup(ScreenPtr pScreen);

extern _X_EXPORT Bool

shadowAdd(ScreenPtr pScreen,
          PixmapPtr pPixmap,
          ShadowUpdateProc update,
          ShadowWindowProc window, int randr, void *closure);

extern _X_EXPORT void
 shadowRemove(ScreenPtr pScreen, PixmapPtr pPixmap);

extern _X_EXPORT void *shadowAlloc(int width, int height, int bpp);

extern _X_EXPORT void
 shadowUpdateAfb4(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateAfb8(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateIplan2p4(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateIplan2p8(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdatePacked(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdatePlanar4(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdatePlanar4x8(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotatePacked(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate8_90(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate16_90(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate16_90YX(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate32_90(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate8_180(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate16_180(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate32_180(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate8_270(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate16_270(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate16_270YX(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate32_270(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate8(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate16(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdateRotate32(ScreenPtr pScreen, shadowBufPtr pBuf);

extern _X_EXPORT void
 shadowUpdate32to24(ScreenPtr pScreen, shadowBufPtr pBuf);

typedef void (*shadowUpdateProc) (ScreenPtr, shadowBufPtr);

#endif                          /* _SHADOW_H_ */