fboverlay.h revision 05b261ec 
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
28extern int	fbOverlayGeneration;
29extern int	fbOverlayScreenPrivateIndex; /* XXX should be static */
30extern int	fbOverlayGetScreenPrivateIndex(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    fbCopyProc		    CopyWindow;
57    FbOverlayLayer	    layer[FB_OVERLAY_MAX];
58} FbOverlayScrPrivRec, *FbOverlayScrPrivPtr;
59
60#define fbOverlayGetScrPriv(s) \
61    ((fbOverlayGetScreenPrivateIndex() != -1) ? \
62     (s)->devPrivates[fbOverlayGetScreenPrivateIndex()].ptr : NULL)
63Bool
64fbOverlayCreateWindow(WindowPtr pWin);
65
66Bool
67fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen);
68
69int
70fbOverlayWindowLayer(WindowPtr pWin);
71
72Bool
73fbOverlayCreateScreenResources(ScreenPtr pScreen);
74
75void
76fbOverlayPaintKey (DrawablePtr	pDrawable,
77		   RegionPtr	pRegion,
78		   CARD32	pixel,
79		   int		layer);
80void
81fbOverlayUpdateLayerRegion (ScreenPtr	pScreen,
82			    int		layer,
83			    RegionPtr	prgn);
84
85
86void
87fbOverlayCopyWindow(WindowPtr	pWin,
88		    DDXPointRec	ptOldOrg,
89		    RegionPtr	prgnSrc);
90
91void
92fbOverlayWindowExposures (WindowPtr	pWin,
93			  RegionPtr	prgn,
94			  RegionPtr	other_exposed);
95
96void
97fbOverlayPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what);
98
99
100Bool
101fbOverlaySetupScreen(ScreenPtr	pScreen,
102		     pointer	pbits1,
103		     pointer	pbits2,
104		     int	xsize,
105		     int	ysize,
106		     int	dpix,
107		     int	dpiy,
108		     int	width1,
109		     int	width2,
110		     int	bpp1,
111		     int	bpp2);
112
113Bool
114fbOverlayFinishScreenInit(ScreenPtr	pScreen,
115			  pointer	pbits1,
116			  pointer	pbits2,
117			  int		xsize,
118			  int		ysize,
119			  int		dpix,
120			  int		dpiy,
121			  int		width1,
122			  int		width2,
123			  int		bpp1,
124			  int		bpp2,
125			  int		depth1,
126			  int		depth2);
127
128#endif /* _FBOVERLAY_H_ */
129