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/*
* $XFree86: xc/programs/Xserver/fb/fboverlay.h,v 1.4tsi Exp $
*
* 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_
extern int fbOverlayGeneration;
extern int fbOverlayScreenPrivateIndex; /* XXX should be static */
extern int fbOverlayGetScreenPrivateIndex(void);
#ifndef FB_OVERLAY_MAX
#define FB_OVERLAY_MAX 2
#endif
typedef void (*fbOverlayPaintKeyProc) (DrawablePtr, RegionPtr, CARD32, int);
typedef struct _fbOverlayLayer {
union {
struct {
void * 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;
fbCopyProc CopyWindow;
FbOverlayLayer layer[FB_OVERLAY_MAX];
} FbOverlayScrPrivRec, *FbOverlayScrPrivPtr;
#define fbOverlayGetScrPriv(s) \
((fbOverlayGetScreenPrivateIndex() != -1) ? \
(s)->devPrivates[fbOverlayGetScreenPrivateIndex()].ptr : NULL)
Bool
fbOverlayCreateWindow(WindowPtr pWin);
Bool
fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen);
int
fbOverlayWindowLayer(WindowPtr pWin);
Bool
fbOverlayCreateScreenResources(ScreenPtr pScreen);
void
fbOverlayPaintKey (DrawablePtr pDrawable,
RegionPtr pRegion,
CARD32 pixel,
int layer);
void
fbOverlayUpdateLayerRegion (ScreenPtr pScreen,
int layer,
RegionPtr prgn);
void
fbOverlayCopyWindow(WindowPtr pWin,
DDXPointRec ptOldOrg,
RegionPtr prgnSrc);
void
fbOverlayWindowExposures (WindowPtr pWin,
RegionPtr prgn,
RegionPtr other_exposed);
void
fbOverlayPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what);
Bool
fbOverlaySetupScreen(ScreenPtr pScreen,
void * pbits1,
void * pbits2,
int xsize,
int ysize,
int dpix,
int dpiy,
int width1,
int width2,
int bpp1,
int bpp2);
Bool
fbOverlayFinishScreenInit(ScreenPtr pScreen,
void * pbits1,
void * pbits2,
int xsize,
int ysize,
int dpix,
int dpiy,
int width1,
int width2,
int bpp1,
int bpp2,
int depth1,
int depth2);
#endif /* _FBOVERLAY_H_ */
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