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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 {
+ 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) \
+ ((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,
+ 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_ */