summaryrefslogtreecommitdiff
path: root/fb/fboverlay.h
blob: 9a93457c70c2400ac219c5b204ac37044c0bb893 (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
/*
 *
 * Copyright © 2000 SuSE, Inc.
 *
 * 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 SuSE not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  SuSE makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
 * 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.
 *
 * Author:  Keith Packard, SuSE, Inc.
 */

#ifndef _FBOVERLAY_H_
#define _FBOVERLAY_H_

#include "privates.h"

extern _X_EXPORT DevPrivateKey fbOverlayGetScreenPrivateKey(void);

#ifndef FB_OVERLAY_MAX
#define FB_OVERLAY_MAX	2
#endif

typedef void (*fbOverlayPaintKeyProc) (DrawablePtr, RegionPtr, CARD32, int);

typedef struct _fbOverlayLayer {
    union {
        struct {
            pointer pbits;
            int width;
            int depth;
        } init;
        struct {
            PixmapPtr pixmap;
            RegionRec region;
        } run;
    } u;
    CARD32 key;                 /* special pixel value */
} FbOverlayLayer;

typedef struct _fbOverlayScrPriv {
    int nlayers;
    fbOverlayPaintKeyProc PaintKey;
    miCopyProc CopyWindow;
    FbOverlayLayer layer[FB_OVERLAY_MAX];
} FbOverlayScrPrivRec, *FbOverlayScrPrivPtr;

#define fbOverlayGetScrPriv(s) \
    dixLookupPrivate(&(s)->devPrivates, fbOverlayGetScreenPrivateKey())
extern _X_EXPORT Bool
 fbOverlayCreateWindow(WindowPtr pWin);

extern _X_EXPORT Bool
 fbOverlayCloseScreen(ScreenPtr pScreen);

extern _X_EXPORT int
 fbOverlayWindowLayer(WindowPtr pWin);

extern _X_EXPORT Bool
 fbOverlayCreateScreenResources(ScreenPtr pScreen);

extern _X_EXPORT void

fbOverlayPaintKey(DrawablePtr pDrawable,
                  RegionPtr pRegion, CARD32 pixel, int layer);
extern _X_EXPORT void
 fbOverlayUpdateLayerRegion(ScreenPtr pScreen, int layer, RegionPtr prgn);

extern _X_EXPORT void
 fbOverlayCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);

extern _X_EXPORT void

fbOverlayWindowExposures(WindowPtr pWin,
                         RegionPtr prgn, RegionPtr other_exposed);

extern _X_EXPORT Bool

fbOverlaySetupScreen(ScreenPtr pScreen,
                     pointer pbits1,
                     pointer pbits2,
                     int xsize,
                     int ysize,
                     int dpix,
                     int dpiy, int width1, int width2, int bpp1, int bpp2);

extern _X_EXPORT Bool

fbOverlayFinishScreenInit(ScreenPtr pScreen,
                          pointer pbits1,
                          pointer pbits2,
                          int xsize,
                          int ysize,
                          int dpix,
                          int dpiy,
                          int width1,
                          int width2,
                          int bpp1, int bpp2, int depth1, int depth2);

#endif                          /* _FBOVERLAY_H_ */