Signed-off-by: Adam Jackson <[email protected]>
---
 hw/dmx/dmxscrinit.c              |    2 -
 hw/kdrive/src/kdrive.c           |    6 ---
 hw/vfb/InitOutput.c              |    7 ---
 hw/xfree86/loader/sdksyms.sh     |    2 -
 hw/xfree86/xaa/xaa.h             |    2 -
 hw/xnest/Screen.c                |    2 -
 hw/xquartz/darwin.c              |   22 ---------
 hw/xwin/winscrinit.c             |    7 ---
 include/Makefile.am              |    2 -
 include/bstore.h                 |   22 ---------
 include/bstorestr.h              |   55 -----------------------
 include/scrnintstr.h             |   57 ------------------------
 mi/Makefile.am                   |    2 -
 mi/mibstore.c                    |    6 ---
 mi/mibstore.h                    |    4 +-
 mi/mibstorest.h                  |   91 --------------------------------------
 mi/miscrinit.c                   |    7 ---
 mi/mivalidate.h                  |    3 +-
 miext/rootless/rootlessValTree.c |   12 -----
 19 files changed, 2 insertions(+), 309 deletions(-)
 delete mode 100644 include/bstore.h
 delete mode 100644 include/bstorestr.h
 delete mode 100644 mi/mibstorest.h

diff --git a/hw/dmx/dmxscrinit.c b/hw/dmx/dmxscrinit.c
index 6d2f2d3..7a94627 100644
--- a/hw/dmx/dmxscrinit.c
+++ b/hw/dmx/dmxscrinit.c
@@ -283,8 +283,6 @@ Bool dmxScreenInit(int idx, ScreenPtr pScreen, int argc, 
char *argv[])
     if (dmxShadowFB && !shadowInit(pScreen, dmxShadowUpdateProc, NULL))
        return FALSE;
 
-    miInitializeBackingStore(pScreen);
-
     if (dmxShadowFB) {
        miDCInitialize(pScreen, &dmxPointerCursorFuncs);
     } else {
diff --git a/hw/kdrive/src/kdrive.c b/hw/kdrive/src/kdrive.c
index 06c3661..c688eb0 100644
--- a/hw/kdrive/src/kdrive.c
+++ b/hw/kdrive/src/kdrive.c
@@ -1022,12 +1022,6 @@ KdScreenInit(int index, ScreenPtr pScreen, int argc, 
char **argv)
     fbInitValidateTree (pScreen);
 #endif
 
-#if 0
-    pScreen->backingStoreSupport = Always;
-    miInitializeBackingStore (pScreen);
-#endif
-
-
     /*
      * Wrap CloseScreen, the order now is:
      * KdCloseScreen
diff --git a/hw/vfb/InitOutput.c b/hw/vfb/InitOutput.c
index e109734..53f82f9 100644
--- a/hw/vfb/InitOutput.c
+++ b/hw/vfb/InitOutput.c
@@ -875,13 +875,6 @@ vfbScreenInit(int index, ScreenPtr pScreen, int argc, char 
**argv)
 
     if (!ret) return FALSE;
 
-    miInitializeBackingStore(pScreen);
-
-    /*
-     * Circumvent the backing store that was just initialised.  This amounts
-     * to a truely bizarre way of initialising SaveDoomedAreas and friends.
-     */
-
     pScreen->InstallColormap = vfbInstallColormap;
     pScreen->UninstallColormap = vfbUninstallColormap;
     pScreen->ListInstalledColormaps = vfbListInstalledColormaps;
diff --git a/hw/xfree86/loader/sdksyms.sh b/hw/xfree86/loader/sdksyms.sh
index 3804324..1ca6789 100755
--- a/hw/xfree86/loader/sdksyms.sh
+++ b/hw/xfree86/loader/sdksyms.sh
@@ -255,8 +255,6 @@ cat > sdksyms.c << EOF
 
 /* include/Makefile.am */
 #include "XIstubs.h"
-#include "bstore.h"
-#include "bstorestr.h"
 #include "closestr.h"
 #include "closure.h"
 #include "colormap.h"
diff --git a/hw/xfree86/xaa/xaa.h b/hw/xfree86/xaa/xaa.h
index 2af954f..40b49e5 100644
--- a/hw/xfree86/xaa/xaa.h
+++ b/hw/xfree86/xaa/xaa.h
@@ -1241,8 +1241,6 @@ typedef struct _XAAInfoRec {
    GetImageProcPtr GetImage;
    GetSpansProcPtr GetSpans;
    CopyWindowProcPtr CopyWindow;
-   BackingStoreSaveAreasProcPtr SaveAreas;
-   BackingStoreRestoreAreasProcPtr RestoreAreas;
 
    unsigned int offscreenDepths;
    Bool offscreenDepthsInitialized;
diff --git a/hw/xnest/Screen.c b/hw/xnest/Screen.c
index 0a6cab6..d0c7fc8 100644
--- a/hw/xnest/Screen.c
+++ b/hw/xnest/Screen.c
@@ -239,8 +239,6 @@ xnestOpenScreen(int index, ScreenPtr pScreen, int argc, 
char *argv[])
               defaultVisual, /* root visual */
               numVisuals, visuals);
 
-/*  miInitializeBackingStore(pScreen); */
-
   pScreen->defColormap = (Colormap) FakeClientID(0);
   pScreen->minInstalledCmaps = MINCMAPS;
   pScreen->maxInstalledCmaps = MAXCMAPS;
diff --git a/hw/xquartz/darwin.c b/hw/xquartz/darwin.c
index fce3b2c..c8eade8 100644
--- a/hw/xquartz/darwin.c
+++ b/hw/xquartz/darwin.c
@@ -868,28 +868,6 @@ xf86SetRootClip (ScreenPtr pScreen, int enable)
            (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
     }
 
-    if (pWin->backStorage &&
-       ((pWin->backingStore == Always) || WasViewable))
-    {
-       if (!WasViewable)
-           pOldClip = &pWin->clipList; /* a convenient empty region */
-       bsExposed = (*pScreen->TranslateBackingStore)
-                            (pWin, 0, 0, pOldClip,
-                             pWin->drawable.x, pWin->drawable.y);
-       if (WasViewable)
-           RegionDestroy(pOldClip);
-       if (bsExposed)
-       {
-           RegionPtr   valExposed = NullRegion;
-
-           if (pWin->valdata)
-               valExposed = &pWin->valdata->after.exposed;
-           (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
-           if (valExposed)
-               RegionEmpty(valExposed);
-           RegionDestroy(bsExposed);
-       }
-    }
     if (WasViewable)
     {
        if (anyMarked)
diff --git a/hw/xwin/winscrinit.c b/hw/xwin/winscrinit.c
index 57a0884..21036f4 100644
--- a/hw/xwin/winscrinit.c
+++ b/hw/xwin/winscrinit.c
@@ -394,13 +394,6 @@ winFinishScreenInitFB (int index,
     }
 #endif
 
-  /*
-   * Backing store support should reduce network traffic and increase
-   * performance.
-   */
-  miInitializeBackingStore (pScreen);
-
-  /* KDrive does miDCInitialize right after miInitializeBackingStore */
   /* Setup the cursor routines */
 #if CYGDEBUG
   winDebug ("winFinishScreenInitFB - Calling miDCInitialize ()\n");
diff --git a/include/Makefile.am b/include/Makefile.am
index eb0e3a7..966d215 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -1,8 +1,6 @@
 if XORG
 sdk_HEADERS =          \
        XIstubs.h       \
-       bstore.h        \
-       bstorestr.h     \
        callback.h      \
        closestr.h      \
        closure.h       \
diff --git a/include/bstore.h b/include/bstore.h
deleted file mode 100644
index 843d6bb..0000000
--- a/include/bstore.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (c) 1987 by the Regents of the University of California
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies.  The University of
- * California makes no representations about the suitability of this software
- * for any purpose.  It is provided "as is" without express or implied
- * warranty.
- */
-
-/*
- * Moved here from mi to allow wrapping of lower level backing store functions.
- * -- 1997.10.27  Marc Aurele La France ([email protected])
- */
-
-#ifndef _BSTORE_H_
-#define _BSTORE_H_
-
-#include "bstorestr.h"
-
-#endif /* _BSTORE_H_ */
diff --git a/include/bstorestr.h b/include/bstorestr.h
deleted file mode 100644
index cf7820b..0000000
--- a/include/bstorestr.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (c) 1987 by the Regents of the University of California
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies.  The University of
- * California makes no representations about the suitability of this software
- * for any purpose.  It is provided "as is" without express or implied
- * warranty.
- */
-
-/*
- * Moved here from mi to allow wrapping of lower level backing store functions.
- * -- 1997.10.27  Marc Aurele La France ([email protected])
- */
-
-#ifndef _BSTORESTR_H_
-#define _BSTORESTR_H_
-
-#include "gc.h"
-#include "pixmap.h"
-#include "region.h"
-#include "window.h"
-
-typedef    void (* BackingStoreSaveAreasProcPtr)(
-       PixmapPtr /*pBackingPixmap*/,
-       RegionPtr /*pObscured*/,
-       int /*x*/,
-       int /*y*/,
-       WindowPtr /*pWin*/);
-
-typedef    void (* BackingStoreRestoreAreasProcPtr)(
-       PixmapPtr /*pBackingPixmap*/,
-       RegionPtr /*pExposed*/,
-       int /*x*/,
-       int /*y*/,
-       WindowPtr /*pWin*/);
-
-typedef    void (* BackingStoreSetClipmaskRgnProcPtr)(
-       GCPtr /*pBackingGC*/,
-       RegionPtr /*pbackingCompositeClip*/);
-
-typedef    PixmapPtr (* BackingStoreGetImagePixmapProcPtr)(void);
-
-typedef    PixmapPtr (* BackingStoreGetSpansPixmapProcPtr)(void);
-
-typedef struct _BSFuncs {
-       BackingStoreSaveAreasProcPtr SaveAreas;
-       BackingStoreRestoreAreasProcPtr RestoreAreas;
-       BackingStoreSetClipmaskRgnProcPtr SetClipmaskRgn;
-       BackingStoreGetImagePixmapProcPtr GetImagePixmap;
-       BackingStoreGetSpansPixmapProcPtr GetSpansPixmap;
-} BSFuncRec, *BSFuncPtr;
-
-#endif /* _BSTORESTR_H_ */
diff --git a/include/scrnintstr.h b/include/scrnintstr.h
index cd4fb70..813bda1 100644
--- a/include/scrnintstr.h
+++ b/include/scrnintstr.h
@@ -50,7 +50,6 @@ SOFTWARE.
 
 #include "screenint.h"
 #include "regionstr.h"
-#include "bstore.h"
 #include "colormap.h"
 #include "cursor.h"
 #include "validate.h"
@@ -213,48 +212,6 @@ typedef    PixmapPtr (* CreatePixmapProcPtr)(
 typedef    Bool (* DestroyPixmapProcPtr)(
        PixmapPtr /*pPixmap*/);
 
-typedef    void (* SaveDoomedAreasProcPtr)(
-       WindowPtr /*pWindow*/,
-       RegionPtr /*prgnSave*/,
-       int /*xorg*/,
-       int /*yorg*/);
-
-typedef    RegionPtr (* RestoreAreasProcPtr)(
-       WindowPtr /*pWindow*/,
-       RegionPtr /*prgnRestore*/);
-
-typedef    void (* ExposeCopyProcPtr)(
-       WindowPtr /*pSrc*/,
-       DrawablePtr /*pDst*/,
-       GCPtr /*pGC*/,
-       RegionPtr /*prgnExposed*/,
-       int /*srcx*/,
-       int /*srcy*/,
-       int /*dstx*/,
-       int /*dsty*/,
-       unsigned long /*plane*/);
-
-typedef    RegionPtr (* TranslateBackingStoreProcPtr)(
-       WindowPtr /*pWindow*/,
-       int /*windx*/,
-       int /*windy*/,
-       RegionPtr /*oldClip*/,
-       int /*oldx*/,
-       int /*oldy*/);
-
-typedef    RegionPtr (* ClearBackingStoreProcPtr)(
-       WindowPtr /*pWindow*/,
-       int /*x*/,
-       int /*y*/,
-       int /*w*/,
-       int /*h*/,
-       Bool /*generateExposures*/);
-
-typedef    void (* DrawGuaranteeProcPtr)(
-       WindowPtr /*pWindow*/,
-       GCPtr /*pGC*/,
-       int /*guarantee*/);
-    
 typedef    Bool (* RealizeFontProcPtr)(
        ScreenPtr /*pScreen*/,
        FontPtr /*pFont*/);
@@ -511,20 +468,6 @@ typedef struct _Screen {
     CreatePixmapProcPtr                CreatePixmap;
     DestroyPixmapProcPtr       DestroyPixmap;
 
-    /* Backing store procedures */
-
-    SaveDoomedAreasProcPtr     SaveDoomedAreas;
-    RestoreAreasProcPtr                RestoreAreas;
-    ExposeCopyProcPtr          ExposeCopy;
-    TranslateBackingStoreProcPtr TranslateBackingStore;
-    ClearBackingStoreProcPtr   ClearBackingStore;
-    DrawGuaranteeProcPtr       DrawGuarantee;
-    /*
-     * A read/write copy of the lower level backing store vector is needed now
-     * that the functions can be wrapped.
-     */
-    BSFuncRec                  BackingStoreFuncs;
-    
     /* Font procedures */
 
     RealizeFontProcPtr         RealizeFont;
diff --git a/mi/Makefile.am b/mi/Makefile.am
index f6dabda..96ceeaa 100644
--- a/mi/Makefile.am
+++ b/mi/Makefile.am
@@ -12,9 +12,7 @@ libmi_la_SOURCES =    \
        mi.h            \
        miarc.c         \
        mibitblt.c      \
-       mibstore.c      \
        mibstore.h      \
-       mibstorest.h    \
        micmap.c        \
        micmap.h        \
        micoord.h       \
diff --git a/mi/mibstore.c b/mi/mibstore.c
index 262b494..827b9b2 100644
--- a/mi/mibstore.c
+++ b/mi/mibstore.c
@@ -40,10 +40,4 @@
 void
 miInitializeBackingStore (ScreenPtr pScreen)
 {
-    pScreen->SaveDoomedAreas = NULL;
-    pScreen->RestoreAreas = NULL;
-    pScreen->ExposeCopy = NULL;
-    pScreen->TranslateBackingStore = NULL;
-    pScreen->ClearBackingStore = NULL;
-    pScreen->DrawGuarantee = NULL;
 }
diff --git a/mi/mibstore.h b/mi/mibstore.h
index ef7e187..c23caac 100644
--- a/mi/mibstore.h
+++ b/mi/mibstore.h
@@ -18,8 +18,6 @@
 
 #include "screenint.h"
 
-extern _X_EXPORT void miInitializeBackingStore(
-    ScreenPtr /*pScreen*/
-);
+#define miInitializeBackingStore(x) do {} while (0)
 
 #endif /* _MIBSTORE_H */
diff --git a/mi/mibstorest.h b/mi/mibstorest.h
deleted file mode 100644
index ccf4fb7..0000000
--- a/mi/mibstorest.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * mibstorest.h
- *
- * internal structure definitions for mi backing store
- */
-
-
-/*
-
-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.
-*/
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#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;
-} miBSScreenRec, *miBSScreenPtr;
diff --git a/mi/miscrinit.c b/mi/miscrinit.c
index 661ecb2..33e3737 100644
--- a/mi/miscrinit.c
+++ b/mi/miscrinit.c
@@ -280,13 +280,6 @@ miScreenInit(
     pScreen->SetShape = miSetShape;
     pScreen->MarkUnrealizedWindow = miMarkUnrealizedWindow;
 
-    pScreen->SaveDoomedAreas = 0;
-    pScreen->RestoreAreas = 0;
-    pScreen->ExposeCopy = 0;
-    pScreen->TranslateBackingStore = 0;
-    pScreen->ClearBackingStore = 0;
-    pScreen->DrawGuarantee = 0;
-
     miSetZeroLineBias(pScreen, DEFAULTZEROLINEBIAS);
 
     return miScreenDevPrivateInit(pScreen, width, pbits);
diff --git a/mi/mivalidate.h b/mi/mivalidate.h
index ef258c0..18700ac 100644
--- a/mi/mivalidate.h
+++ b/mi/mivalidate.h
@@ -40,8 +40,7 @@ typedef union _Validate {
        DDXPointRec     oldAbsCorner;   /* old window position */
        RegionPtr       borderVisible;  /* visible region of border, */
                                        /* non-null when size changes */
-       Bool            resized;        /* unclipped winSize has changed - */
-                                       /* don't call SaveDoomedAreas */
+       Bool            resized;        /* unclipped winSize has changed */
     } before;
     struct AfterValidate {
        RegionRec       exposed;        /* exposed regions, absolute pos */
diff --git a/miext/rootless/rootlessValTree.c b/miext/rootless/rootlessValTree.c
index e2c4ffe..d242600 100644
--- a/miext/rootless/rootlessValTree.c
+++ b/miext/rootless/rootlessValTree.c
@@ -471,18 +471,6 @@ RootlessComputeClips (WindowPtr pParent, ScreenPtr pScreen,
                               universe, &pParent->clipList);
     }
 
-    /*
-     * One last thing: backing storage. We have to try to save what parts of
-     * the window are about to be obscured. We can just subtract the universe
-     * from the old clipList and get the areas that were in the old but aren't
-     * in the new and, hence, are about to be obscured.
-     */
-    if (pParent->backStorage && !resized)
-    {
-       RegionSubtract(exposed, &pParent->clipList, universe);
-       (* pScreen->SaveDoomedAreas)(pParent, exposed, dx, dy);
-    }
-    
     /* HACK ALERT - copying contents of regions, instead of regions */
     {
        RegionRec   tmp;
-- 
1.7.3.1

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