1 files changed, 91 insertions, 0 deletions
diff --git a/mi/mibstorest.h b/mi/mibstorest.h
new file mode 100644
index 000000000..d56ee76f6
--- /dev/null
+++ b/mi/mibstorest.h
@@ -0,0 +1,91 @@
+/*
+ * mibstorest.h
+ *
+ * internal structure definitions for mi backing store
+ */
+
+/* $Xorg: mibstorest.h,v 1.4 2001/02/09 02:05:20 xorgcvs Exp $ */
+
+/*
+
+Copyright 1989, 1998  The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+*/
+
+#include "mibstore.h"
+#include "regionstr.h"
+
+/*
+ * One of these structures is allocated per GC used with a backing-store
+ * drawable.
+ */
+
+typedef struct {
+    GCPtr	    pBackingGC;	    /* Copy of the GC but with graphicsExposures
+				     * set FALSE and the clientClip set to
+				     * clip output to the valid regions of the
+				     * backing pixmap. */
+    int		    guarantee;      /* GuaranteeNothing, etc. */
+    unsigned long   serialNumber;   /* clientClip computed time */
+    unsigned long   stateChanges;   /* changes in parent gc since last copy */
+    GCOps	    *wrapOps;	    /* wrapped ops */
+    GCFuncs	    *wrapFuncs;	    /* wrapped funcs */
+} miBSGCRec, *miBSGCPtr;
+
+/*
+ * one of these structures is allocated per Window with backing store
+ */
+
+typedef struct {
+    PixmapPtr	  pBackingPixmap;   /* Pixmap for saved areas */
+    short	  x;		    /* origin of pixmap relative to window */
+    short	  y;
+    RegionRec	  SavedRegion;	    /* Valid area in pBackingPixmap */
+    char    	  viewable; 	    /* Tracks pWin->viewable so SavedRegion may
+				     * be initialized correctly when the window
+				     * is first mapped */
+    char    	  status;    	    /* StatusNoPixmap, etc. */
+    char	  backgroundState;  /* background type */
+    PixUnion	  background;	    /* background pattern */
+} miBSWindowRec, *miBSWindowPtr;
+
+#define StatusNoPixmap	1	/* pixmap has not been created */
+#define StatusVirtual	2	/* pixmap is virtual, tiled with background */
+#define StatusVDirty	3	/* pixmap is virtual, visiblt has contents */
+#define StatusBadAlloc	4	/* pixmap create failed, do not try again */
+#define StatusContents	5	/* pixmap is created, has valid contents */
+
+typedef struct {
+    /*
+     * screen func wrappers
+     */
+    CloseScreenProcPtr	CloseScreen;
+    GetImageProcPtr	GetImage;
+    GetSpansProcPtr	GetSpans;
+    ChangeWindowAttributesProcPtr ChangeWindowAttributes;
+    CreateGCProcPtr	CreateGC;
+    DestroyWindowProcPtr DestroyWindow;
+    /*
+     * pointer to vector of device-specific backing store functions
+     */
+    miBSFuncPtr	    funcs;
+} miBSScreenRec, *miBSScreenPtr;