1/*
2 *
3 * Copyright © 2000 SuSE, Inc.
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 SuSE not be used in advertising or
10 * publicity pertaining to distribution of the software without specific,
11 * written prior permission.  SuSE makes no representations about the
12 * suitability of this software for any purpose.  It is provided "as is"
13 * without express or implied warranty.
14 *
15 * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
17 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
19 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
20 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 *
22 * Author:  Keith Packard, SuSE, Inc.
23 */
24
25#ifndef _FBOVERLAY_H_
26#define _FBOVERLAY_H_
27
28#include "privates.h"
29
30extern _X_EXPORT DevPrivateKey fbOverlayGetScreenPrivateKey(void);
31
32#ifndef FB_OVERLAY_MAX
33#define FB_OVERLAY_MAX	2
34#endif
35
36typedef void (*fbOverlayPaintKeyProc) (DrawablePtr, RegionPtr, CARD32, int);
37
38typedef struct _fbOverlayLayer {
39    union {
40        struct {
41            void *pbits;
42            int width;
43            int depth;
44        } init;
45        struct {
46            PixmapPtr pixmap;
47            RegionRec region;
48        } run;
49    } u;
50    CARD32 key;                 /* special pixel value */
51} FbOverlayLayer;
52
53typedef struct _fbOverlayScrPriv {
54    int nlayers;
55    fbOverlayPaintKeyProc PaintKey;
56    miCopyProc CopyWindow;
57    FbOverlayLayer layer[FB_OVERLAY_MAX];
58} FbOverlayScrPrivRec, *FbOverlayScrPrivPtr;
59
60#define fbOverlayGetScrPriv(s) \
61    dixLookupPrivate(&(s)->devPrivates, fbOverlayGetScreenPrivateKey())
62extern _X_EXPORT Bool
63 fbOverlayCreateWindow(WindowPtr pWin);
64
65extern _X_EXPORT Bool
66 fbOverlayCloseScreen(ScreenPtr pScreen);
67
68extern _X_EXPORT int
69 fbOverlayWindowLayer(WindowPtr pWin);
70
71extern _X_EXPORT Bool
72 fbOverlayCreateScreenResources(ScreenPtr pScreen);
73
74extern _X_EXPORT void
75
76fbOverlayPaintKey(DrawablePtr pDrawable,
77                  RegionPtr pRegion, CARD32 pixel, int layer);
78extern _X_EXPORT void
79 fbOverlayUpdateLayerRegion(ScreenPtr pScreen, int layer, RegionPtr prgn);
80
81extern _X_EXPORT void
82 fbOverlayCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
83
84extern _X_EXPORT void
85fbOverlayWindowExposures(WindowPtr pWin, RegionPtr prgn);
86
87extern _X_EXPORT Bool
88
89fbOverlaySetupScreen(ScreenPtr pScreen,
90                     void *pbits1,
91                     void *pbits2,
92                     int xsize,
93                     int ysize,
94                     int dpix,
95                     int dpiy, int width1, int width2, int bpp1, int bpp2);
96
97extern _X_EXPORT Bool
98
99fbOverlayFinishScreenInit(ScreenPtr pScreen,
100                          void *pbits1,
101                          void *pbits2,
102                          int xsize,
103                          int ysize,
104                          int dpix,
105                          int dpiy,
106                          int width1,
107                          int width2,
108                          int bpp1, int bpp2, int depth1, int depth2);
109
110#endif                          /* _FBOVERLAY_H_ */
111