aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/miext/shadow/shadow.h
blob: 85b2604f56ec800c3f2d1a1fd5adee9221407a14 (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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/*
 * $XFree86: xc/programs/Xserver/miext/shadow/shadow.h,v 1.6tsi Exp $
 *
 * 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"

#ifdef RENDER
#include "picturestr.h"
#endif

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 {
    shadowBufPtr	pNext;
    ShadowUpdateProc	update;
    ShadowWindowProc	window;
    RegionRec		damage;
    PixmapPtr		pPixmap;
    void		*closure;
    int			randr;
} 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)

typedef struct _shadowScrPriv {
    PaintWindowBackgroundProcPtr PaintWindowBackground;
    PaintWindowBorderProcPtr	PaintWindowBorder;
    CopyWindowProcPtr		CopyWindow;
    CloseScreenProcPtr		CloseScreen;
    CreateGCProcPtr		CreateGC;
    GetImageProcPtr		GetImage;
#ifdef RENDER
    CompositeProcPtr		Composite;
    GlyphsProcPtr		Glyphs;
#endif
    shadowBufPtr		pBuf;
    BSFuncRec			BackingStoreFuncs;
} shadowScrPrivRec, *shadowScrPrivPtr;

extern int shadowScrPrivateIndex;

#define shadowGetScrPriv(pScr)  ((shadowScrPrivPtr) (pScr)->devPrivates[shadowScrPrivateIndex].ptr)
#define shadowScrPriv(pScr)	shadowScrPrivPtr    pScrPriv = shadowGetScrPriv(pScr)

Bool
shadowSetup (ScreenPtr pScreen);

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

void
shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);

shadowBufPtr
shadowFindBuf (WindowPtr pWindow);

Bool
shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);

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

void
shadowUpdatePacked (ScreenPtr	    pScreen,
		    shadowBufPtr    pBuf);

void
shadowUpdatePlanar4 (ScreenPtr	    pScreen,
		     shadowBufPtr   pBuf);

void
shadowUpdatePlanar4x8 (ScreenPtr    pScreen,
		       shadowBufPtr pBuf);

void
shadowUpdateRotatePacked (ScreenPtr    pScreen,
			  shadowBufPtr pBuf);

void
shadowUpdateRotate8_90 (ScreenPtr    pScreen,
			shadowBufPtr pBuf);

void
shadowUpdateRotate16_90 (ScreenPtr    pScreen,
			 shadowBufPtr pBuf);

void
shadowUpdateRotate32_90 (ScreenPtr    pScreen,
			 shadowBufPtr pBuf);

void
shadowUpdateRotate8_180 (ScreenPtr    pScreen,
			 shadowBufPtr pBuf);

void
shadowUpdateRotate16_180 (ScreenPtr    pScreen,
			  shadowBufPtr pBuf);

void
shadowUpdateRotate32_180 (ScreenPtr    pScreen,
			  shadowBufPtr pBuf);

void
shadowUpdateRotate8_270 (ScreenPtr    pScreen,
			 shadowBufPtr pBuf);

void
shadowUpdateRotate16_270 (ScreenPtr    pScreen,
			  shadowBufPtr pBuf);

void
shadowUpdateRotate32_270 (ScreenPtr    pScreen,
			  shadowBufPtr pBuf);

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

shadowUpdateProc shadowUpdatePackedWeak(void);
shadowUpdateProc shadowUpdatePlanar4Weak(void);
shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
shadowUpdateProc shadowUpdateRotatePackedWeak(void);

void
shadowWrapGC (GCPtr pGC);

void
shadowUnwrapGC (GCPtr pGC);

#endif /* _SHADOW_H_ */