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	    pointer	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
63fbOverlayCreateWindow(WindowPtr pWin);
64
65extern _X_EXPORT Bool
66fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen);
67
68extern _X_EXPORT int
69fbOverlayWindowLayer(WindowPtr pWin);
70
71extern _X_EXPORT Bool
72fbOverlayCreateScreenResources(ScreenPtr pScreen);
73
74extern _X_EXPORT void
75fbOverlayPaintKey (DrawablePtr	pDrawable,
76		   RegionPtr	pRegion,
77		   CARD32	pixel,
78		   int		layer);
79extern _X_EXPORT void
80fbOverlayUpdateLayerRegion (ScreenPtr	pScreen,
81			    int		layer,
82			    RegionPtr	prgn);
83
84
85extern _X_EXPORT void
86fbOverlayCopyWindow(WindowPtr	pWin,
87		    DDXPointRec	ptOldOrg,
88		    RegionPtr	prgnSrc);
89
90extern _X_EXPORT void
91fbOverlayWindowExposures (WindowPtr	pWin,
92			  RegionPtr	prgn,
93			  RegionPtr	other_exposed);
94
95extern _X_EXPORT Bool
96fbOverlaySetupScreen(ScreenPtr	pScreen,
97		     pointer	pbits1,
98		     pointer	pbits2,
99		     int	xsize,
100		     int	ysize,
101		     int	dpix,
102		     int	dpiy,
103		     int	width1,
104		     int	width2,
105		     int	bpp1,
106		     int	bpp2);
107
108extern _X_EXPORT Bool
109fbOverlayFinishScreenInit(ScreenPtr	pScreen,
110			  pointer	pbits1,
111			  pointer	pbits2,
112			  int		xsize,
113			  int		ysize,
114			  int		dpix,
115			  int		dpiy,
116			  int		width1,
117			  int		width2,
118			  int		bpp1,
119			  int		bpp2,
120			  int		depth1,
121			  int		depth2);
122
123#endif /* _FBOVERLAY_H_ */
124