Initial revision

fb/fboverlay.h

@@ -0,0 +1,128 @@
+/*
+ * $XFree86: xc/programs/Xserver/fb/fboverlay.h,v 1.5 2002/09/19 13:22:00 tsi 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;
+
+#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;
+    fbCopyProc		    CopyWindow;
+    FbOverlayLayer	    layer[FB_OVERLAY_MAX];
+} FbOverlayScrPrivRec, *FbOverlayScrPrivPtr;
+
+#define fbOverlayGetScrPriv(s) \
+    ((fbOverlayScreenPrivateIndex != -1) ? \
+     (s)->devPrivates[fbOverlayScreenPrivateIndex].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,
+		     pointer	pbits1,
+		     pointer	pbits2,
+		     int	xsize,
+		     int	ysize,
+		     int	dpix,
+		     int	dpiy,
+		     int	width1,
+		     int	width2,
+		     int	bpp1,
+		     int	bpp2);
+
+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_ */