Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 1450 insertions, 0 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86fbman.c b/xorg-server/hw/xfree86/common/xf86fbman.c
new file mode 100644
index 000000000..9fd2e6c70
--- /dev/null
+++ b/xorg-server/hw/xfree86/common/xf86fbman.c
@@ -0,0 +1,1450 @@
+
+/*
+ * Copyright (c) 1998-2001 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 copyright holder(s)
+ * and author(s) 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 copyright holder(s) and author(s).
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "misc.h"
+#include "xf86.h"
+
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "regionstr.h"
+#include "xf86fbman.h"
+
+/* 
+#define DEBUG
+*/
+
+static DevPrivateKey xf86FBManagerKey = NULL;
+
+_X_EXPORT Bool xf86RegisterOffscreenManager(
+    ScreenPtr pScreen, 
+    FBManagerFuncsPtr funcs
+){
+
+   xf86FBManagerKey = &xf86FBManagerKey;
+   dixSetPrivate(&pScreen->devPrivates, xf86FBManagerKey, funcs);
+
+   return TRUE;
+}
+
+
+_X_EXPORT Bool
+xf86FBManagerRunning(ScreenPtr pScreen)
+{
+    if(xf86FBManagerKey == NULL) 
+	return FALSE;
+    if(!dixLookupPrivate(&pScreen->devPrivates, xf86FBManagerKey))
+	return FALSE;
+
+    return TRUE;
+}
+
+_X_EXPORT Bool
+xf86RegisterFreeBoxCallback(
+    ScreenPtr pScreen,  
+    FreeBoxCallbackProcPtr FreeBoxCallback,
+    pointer devPriv
+){
+   FBManagerFuncsPtr funcs;
+
+   if(xf86FBManagerKey == NULL) 
+	return FALSE;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBManagerKey)))
+	return FALSE;
+
+   return (*funcs->RegisterFreeBoxCallback)(pScreen, FreeBoxCallback, devPriv);
+}
+
+
+_X_EXPORT FBAreaPtr
+xf86AllocateOffscreenArea(
+   ScreenPtr pScreen, 
+   int w, int h,
+   int gran,
+   MoveAreaCallbackProcPtr moveCB,
+   RemoveAreaCallbackProcPtr removeCB,
+   pointer privData
+){
+   FBManagerFuncsPtr funcs;
+
+   if(xf86FBManagerKey == NULL) 
+	return NULL;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBManagerKey)))
+	return NULL;
+
+   return (*funcs->AllocateOffscreenArea)(
+		pScreen, w, h, gran, moveCB, removeCB, privData);
+}
+
+
+_X_EXPORT FBLinearPtr
+xf86AllocateOffscreenLinear(
+    ScreenPtr pScreen, 
+    int length,
+    int gran,
+    MoveLinearCallbackProcPtr moveCB,
+    RemoveLinearCallbackProcPtr removeCB,
+    pointer privData
+){
+   FBManagerFuncsPtr funcs;
+
+   if(xf86FBManagerKey == NULL) 
+	return NULL;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBManagerKey)))
+	return NULL;
+
+   return (*funcs->AllocateOffscreenLinear)(
+		pScreen, length, gran, moveCB, removeCB, privData);
+}
+
+
+_X_EXPORT void
+xf86FreeOffscreenArea(FBAreaPtr area)
+{
+   FBManagerFuncsPtr funcs;
+
+   if(!area) return;
+
+   if(xf86FBManagerKey == NULL) 
+	return;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(
+	    &area->pScreen->devPrivates, xf86FBManagerKey)))
+	return;
+
+   (*funcs->FreeOffscreenArea)(area);
+
+   return;
+}
+
+
+_X_EXPORT void
+xf86FreeOffscreenLinear(FBLinearPtr linear)
+{
+   FBManagerFuncsPtr funcs;
+
+   if(!linear) return;
+
+   if(xf86FBManagerKey == NULL) 
+	return;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(
+	    &linear->pScreen->devPrivates, xf86FBManagerKey)))
+	return;
+
+   (*funcs->FreeOffscreenLinear)(linear);
+
+   return;
+}
+
+
+_X_EXPORT Bool
+xf86ResizeOffscreenArea(
+   FBAreaPtr resize,
+   int w, int h
+){
+   FBManagerFuncsPtr funcs;
+
+   if(!resize) return FALSE;
+
+   if(xf86FBManagerKey == NULL) 
+	return FALSE;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(
+	    &resize->pScreen->devPrivates, xf86FBManagerKey)))
+	return FALSE;
+
+   return (*funcs->ResizeOffscreenArea)(resize, w, h);
+}
+
+_X_EXPORT Bool
+xf86ResizeOffscreenLinear(
+   FBLinearPtr resize,
+   int size
+){
+   FBManagerFuncsPtr funcs;
+
+   if(!resize) return FALSE;
+
+   if(xf86FBManagerKey == NULL) 
+	return FALSE;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(
+	    &resize->pScreen->devPrivates, xf86FBManagerKey)))
+	return FALSE;
+
+   return (*funcs->ResizeOffscreenLinear)(resize, size);
+}
+
+
+_X_EXPORT Bool
+xf86QueryLargestOffscreenArea(
+    ScreenPtr pScreen,
+    int *w, int *h,
+    int gran,
+    int preferences,
+    int severity
+){
+   FBManagerFuncsPtr funcs;
+
+   *w = 0;
+   *h = 0;
+
+   if(xf86FBManagerKey == NULL) 
+	return FALSE;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBManagerKey)))
+	return FALSE;
+
+   return (*funcs->QueryLargestOffscreenArea)(
+		pScreen, w, h, gran, preferences, severity);
+}
+
+_X_EXPORT Bool
+xf86QueryLargestOffscreenLinear(
+    ScreenPtr pScreen,
+    int *size,
+    int gran,
+    int severity
+){
+   FBManagerFuncsPtr funcs;
+
+   *size = 0;
+
+   if(xf86FBManagerKey == NULL) 
+	return FALSE;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBManagerKey)))
+	return FALSE;
+
+   return (*funcs->QueryLargestOffscreenLinear)(
+		pScreen, size, gran, severity);
+}
+
+
+_X_EXPORT Bool
+xf86PurgeUnlockedOffscreenAreas(ScreenPtr pScreen)
+{
+   FBManagerFuncsPtr funcs;
+
+   if(xf86FBManagerKey == NULL) 
+	return FALSE;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBManagerKey)))
+	return FALSE;
+
+   return (*funcs->PurgeOffscreenAreas)(pScreen);
+}
+
+/************************************************************\ 
+
+   Below is a specific implementation of an offscreen manager.
+
+\************************************************************/ 
+
+static DevPrivateKey xf86FBScreenKey = &xf86FBScreenKey;
+
+typedef struct _FBLink {
+  FBArea area;
+  struct _FBLink *next;  
+} FBLink, *FBLinkPtr;
+
+typedef struct _FBLinearLink {
+  FBLinear linear;
+  int free;	/* need to add free here as FBLinear is publicly accessible */
+  FBAreaPtr area;	/* only used if allocation came from XY area */
+  struct _FBLinearLink *next;  
+} FBLinearLink, *FBLinearLinkPtr;
+
+
+typedef struct {
+   ScreenPtr    		pScreen;
+   RegionPtr    		InitialBoxes;
+   RegionPtr    		FreeBoxes;
+   FBLinkPtr    		UsedAreas;
+   int          		NumUsedAreas;
+   FBLinearLinkPtr              LinearAreas;
+   CloseScreenProcPtr           CloseScreen;
+   int                          NumCallbacks;
+   FreeBoxCallbackProcPtr       *FreeBoxesUpdateCallback;
+   DevUnion                     *devPrivates;
+} FBManager, *FBManagerPtr;
+
+
+static void
+SendCallFreeBoxCallbacks(FBManagerPtr offman)
+{
+   int i = offman->NumCallbacks;
+
+   while(i--) {
+	(*offman->FreeBoxesUpdateCallback[i])(
+	   offman->pScreen, offman->FreeBoxes, offman->devPrivates[i].ptr);
+   }
+}
+
+static Bool
+localRegisterFreeBoxCallback(
+    ScreenPtr pScreen,  
+    FreeBoxCallbackProcPtr FreeBoxCallback,
+    pointer devPriv
+){
+   FBManagerPtr offman;
+   FreeBoxCallbackProcPtr *newCallbacks;
+   DevUnion *newPrivates; 
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   newCallbacks = xrealloc( offman->FreeBoxesUpdateCallback, 
+		sizeof(FreeBoxCallbackProcPtr) * (offman->NumCallbacks + 1));
+
+   newPrivates = xrealloc(offman->devPrivates,
+			  sizeof(DevUnion) * (offman->NumCallbacks + 1));
+
+   if(!newCallbacks || !newPrivates)
+	return FALSE;     
+
+   offman->FreeBoxesUpdateCallback = newCallbacks;
+   offman->devPrivates = newPrivates;
+
+   offman->FreeBoxesUpdateCallback[offman->NumCallbacks] = FreeBoxCallback;
+   offman->devPrivates[offman->NumCallbacks].ptr = devPriv;
+   offman->NumCallbacks++;
+
+   SendCallFreeBoxCallbacks(offman);
+
+   return TRUE;
+}
+
+
+static FBAreaPtr
+AllocateArea(
+   FBManagerPtr offman,
+   int w, int h,
+   int granularity,
+   MoveAreaCallbackProcPtr moveCB,
+   RemoveAreaCallbackProcPtr removeCB,
+   pointer privData
+){
+   ScreenPtr pScreen = offman->pScreen;
+   FBLinkPtr link = NULL;
+   FBAreaPtr area = NULL;
+   RegionRec NewReg;
+   int i, x = 0, num;
+   BoxPtr boxp;
+
+   if(granularity <= 1) granularity = 0;
+
+   boxp = REGION_RECTS(offman->FreeBoxes);
+   num = REGION_NUM_RECTS(offman->FreeBoxes);
+
+   /* look through the free boxes */
+   for(i = 0; i < num; i++, boxp++) {
+	x = boxp->x1;
+	if (granularity > 1)
+	    x = ((x + granularity - 1) / granularity) * granularity;
+
+	if(((boxp->y2 - boxp->y1) < h) || ((boxp->x2 - x) < w))
+	   continue;
+
+	link = xalloc(sizeof(FBLink));
+	if(!link) return NULL;
+
+        area = &(link->area);
+        link->next = offman->UsedAreas;
+        offman->UsedAreas = link;
+        offman->NumUsedAreas++;
+	break;
+   }
+
+   /* try to boot a removeable one out if we are not expendable ourselves */
+   if(!area && !removeCB) {
+	link = offman->UsedAreas;
+
+	while(link) {
+	   if(!link->area.RemoveAreaCallback) {
+		link = link->next;
+		continue;
+	   }
+
+	   boxp = &(link->area.box);
+	   x = boxp->x1;
+ 	   if (granularity > 1)
+		x = ((x + granularity - 1) / granularity) * granularity;
+
+	   if(((boxp->y2 - boxp->y1) < h) || ((boxp->x2 - x) < w)) {
+		link = link->next;
+		continue;
+	   }
+
+	   /* bye, bye */
+	   (*link->area.RemoveAreaCallback)(&link->area);
+	   REGION_INIT(pScreen, &NewReg, &(link->area.box), 1); 
+	   REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &NewReg);
+	   REGION_UNINIT(pScreen, &NewReg); 
+
+           area = &(link->area);
+	   break;
+	}
+   }
+
+   if(area) {
+	area->pScreen = pScreen;
+	area->granularity = granularity;
+	area->box.x1 = x;
+	area->box.x2 = x + w;
+	area->box.y1 = boxp->y1;
+	area->box.y2 = boxp->y1 + h;
+	area->MoveAreaCallback = moveCB;
+	area->RemoveAreaCallback = removeCB;
+	area->devPrivate.ptr = privData;
+
+        REGION_INIT(pScreen, &NewReg, &(area->box), 1);
+	REGION_SUBTRACT(pScreen, offman->FreeBoxes, offman->FreeBoxes, &NewReg);
+	REGION_UNINIT(pScreen, &NewReg);
+   }
+
+   return area;
+}
+
+static FBAreaPtr
+localAllocateOffscreenArea(
+   ScreenPtr pScreen, 
+   int w, int h,
+   int gran,
+   MoveAreaCallbackProcPtr moveCB,
+   RemoveAreaCallbackProcPtr removeCB,
+   pointer privData
+){
+   FBManagerPtr offman;
+   FBAreaPtr area = NULL;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   if((area = AllocateArea(offman, w, h, gran, moveCB, removeCB, privData)))
+	SendCallFreeBoxCallbacks(offman);
+
+   return area;
+}
+
+
+static void
+localFreeOffscreenArea(FBAreaPtr area)
+{
+   FBManagerPtr offman;
+   FBLinkPtr pLink, pLinkPrev = NULL;
+   RegionRec FreedRegion;
+   ScreenPtr pScreen;
+
+   pScreen = area->pScreen;
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   pLink = offman->UsedAreas;
+   if(!pLink) return;  
+ 
+   while(&(pLink->area) != area) {
+	pLinkPrev = pLink;
+	pLink = pLink->next;
+	if(!pLink) return;
+   }
+
+   /* put the area back into the pool */
+   REGION_INIT(pScreen, &FreedRegion, &(pLink->area.box), 1); 
+   REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedRegion);
+   REGION_UNINIT(pScreen, &FreedRegion); 
+
+   if(pLinkPrev)
+	pLinkPrev->next = pLink->next;
+   else offman->UsedAreas = pLink->next;
+
+   xfree(pLink); 
+   offman->NumUsedAreas--;
+
+   SendCallFreeBoxCallbacks(offman);
+}
+   
+
+
+static Bool
+localResizeOffscreenArea(
+   FBAreaPtr resize,
+   int w, int h
+){
+   FBManagerPtr offman;
+   ScreenPtr pScreen;
+   BoxRec OrigArea;
+   RegionRec FreedReg;
+   FBAreaPtr area = NULL;
+   FBLinkPtr pLink, newLink, pLinkPrev = NULL;
+
+   pScreen = resize->pScreen;
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   /* find this link */
+   if(!(pLink = offman->UsedAreas))
+	return FALSE;  
+ 
+   while(&(pLink->area) != resize) {
+	pLinkPrev = pLink;
+	pLink = pLink->next;
+	if(!pLink) return FALSE;
+   }
+
+   OrigArea.x1 = resize->box.x1;
+   OrigArea.x2 = resize->box.x2;
+   OrigArea.y1 = resize->box.y1;
+   OrigArea.y2 = resize->box.y2;
+
+   /* if it's smaller, this is easy */
+
+   if((w <= (resize->box.x2 - resize->box.x1)) && 
+      (h <= (resize->box.y2 - resize->box.y1))) {
+	RegionRec NewReg;
+
+	resize->box.x2 = resize->box.x1 + w;
+	resize->box.y2 = resize->box.y1 + h;
+
+        if((resize->box.y2 == OrigArea.y2) &&
+	   (resize->box.x2 == OrigArea.x2))
+		return TRUE;
+
+	REGION_INIT(pScreen, &FreedReg, &OrigArea, 1); 
+	REGION_INIT(pScreen, &NewReg, &(resize->box), 1); 
+	REGION_SUBTRACT(pScreen, &FreedReg, &FreedReg, &NewReg);
+	REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg);
+	REGION_UNINIT(pScreen, &FreedReg); 
+	REGION_UNINIT(pScreen, &NewReg); 
+
+	SendCallFreeBoxCallbacks(offman);
+
+	return TRUE;
+   }
+
+
+   /* otherwise we remove the old region */
+
+   REGION_INIT(pScreen, &FreedReg, &OrigArea, 1); 
+   REGION_UNION(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg);
+  
+   /* remove the old link */
+   if(pLinkPrev)
+	pLinkPrev->next = pLink->next;
+   else offman->UsedAreas = pLink->next;
+
+   /* and try to add a new one */
+
+   if((area = AllocateArea(offman, w, h, resize->granularity,
+		resize->MoveAreaCallback, resize->RemoveAreaCallback,
+		resize->devPrivate.ptr))) {
+
+        /* copy data over to our link and replace the new with old */
+	memcpy(resize, area, sizeof(FBArea));
+
+        pLinkPrev = NULL;
+ 	newLink = offman->UsedAreas;
+
+        while(&(newLink->area) != area) {
+	    pLinkPrev = newLink;
+	    newLink = newLink->next;
+        }
+
+	if(pLinkPrev)
+	    pLinkPrev->next = newLink->next;
+	else offman->UsedAreas = newLink->next;
+
+        pLink->next = offman->UsedAreas;
+        offman->UsedAreas = pLink;
+
+	xfree(newLink);
+
+	/* AllocateArea added one but we really only exchanged one */
+	offman->NumUsedAreas--;  
+   } else {
+      /* reinstate the old region */
+      REGION_SUBTRACT(pScreen, offman->FreeBoxes, offman->FreeBoxes, &FreedReg);
+      REGION_UNINIT(pScreen, &FreedReg); 
+
+      pLink->next = offman->UsedAreas;
+      offman->UsedAreas = pLink;
+      return FALSE;
+   }
+
+
+   REGION_UNINIT(pScreen, &FreedReg); 
+
+   SendCallFreeBoxCallbacks(offman);
+
+   return TRUE;
+}
+
+static Bool
+localQueryLargestOffscreenArea(
+    ScreenPtr pScreen,
+    int *width, int *height,
+    int granularity,
+    int preferences,
+    int severity
+){
+    FBManagerPtr offman;
+    RegionPtr newRegion = NULL;
+    BoxPtr pbox;
+    int nbox;
+    int x, w, h, area, oldArea;
+
+    *width = *height = oldArea = 0;
+
+    if(granularity <= 1) granularity = 0;
+
+    if((preferences < 0) || (preferences > 3))
+	return FALSE;	
+
+    offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					    xf86FBScreenKey);
+    if(severity < 0) severity = 0;
+    if(severity > 2) severity = 2;
+
+    switch(severity) {
+    case 2:
+	if(offman->NumUsedAreas) {
+	    FBLinkPtr pLink;
+	    RegionRec tmpRegion;
+	    newRegion = REGION_CREATE(pScreen, NULL, 1);
+	    REGION_COPY(pScreen, newRegion, offman->InitialBoxes);
+	    pLink = offman->UsedAreas;
+
+	    while(pLink) {
+		if(!pLink->area.RemoveAreaCallback) {
+		    REGION_INIT(pScreen, &tmpRegion, &(pLink->area.box), 1);
+		    REGION_SUBTRACT(pScreen, newRegion, newRegion, &tmpRegion);
+		    REGION_UNINIT(pScreen, &tmpRegion);
+		}
+		pLink = pLink->next;
+	    }
+
+	    nbox = REGION_NUM_RECTS(newRegion);
+	    pbox = REGION_RECTS(newRegion);
+	    break;
+	}
+    case 1:
+	if(offman->NumUsedAreas) {
+	    FBLinkPtr pLink;
+	    RegionRec tmpRegion;
+	    newRegion = REGION_CREATE(pScreen, NULL, 1);
+	    REGION_COPY(pScreen, newRegion, offman->FreeBoxes);
+	    pLink = offman->UsedAreas;
+
+	    while(pLink) {
+		if(pLink->area.RemoveAreaCallback) {
+		    REGION_INIT(pScreen, &tmpRegion, &(pLink->area.box), 1);
+		    REGION_APPEND(pScreen, newRegion, &tmpRegion);
+		    REGION_UNINIT(pScreen, &tmpRegion);
+		}
+		pLink = pLink->next;
+	    }
+
+	    nbox = REGION_NUM_RECTS(newRegion);
+	    pbox = REGION_RECTS(newRegion);
+	    break;
+	}
+    default:
+	nbox = REGION_NUM_RECTS(offman->FreeBoxes);
+	pbox = REGION_RECTS(offman->FreeBoxes);
+	break;
+    }
+
+    while(nbox--) {
+	x = pbox->x1;
+	if (granularity > 1)
+	   x = ((x + granularity - 1) / granularity) * granularity;
+
+	w = pbox->x2 - x;
+	h = pbox->y2 - pbox->y1;
+	area = w * h;
+
+	if(w > 0) {
+	    Bool gotIt = FALSE;
+	    switch(preferences) {
+	    case FAVOR_AREA_THEN_WIDTH:
+		if((area > oldArea) || ((area == oldArea) && (w > *width))) 
+		    gotIt = TRUE;
+		break;
+	    case FAVOR_AREA_THEN_HEIGHT:
+		if((area > oldArea) || ((area == oldArea) && (h > *height)))
+		    gotIt = TRUE;
+		break;
+	    case FAVOR_WIDTH_THEN_AREA:
+		if((w > *width) || ((w == *width) && (area > oldArea)))
+		    gotIt = TRUE;
+		break;
+	    case FAVOR_HEIGHT_THEN_AREA:
+		if((h > *height) || ((h == *height) && (area > oldArea)))
+		    gotIt = TRUE;
+		break;
+	    }
+	    if(gotIt) {
+		*width = w;
+		*height = h;
+		oldArea = area;
+	    }
+        }
+	pbox++;
+    }
+
+    if(newRegion)
+	REGION_DESTROY(pScreen, newRegion);
+
+    return TRUE;
+}
+
+static Bool
+localPurgeUnlockedOffscreenAreas(ScreenPtr pScreen)
+{
+   FBManagerPtr offman;
+   FBLinkPtr pLink, tmp, pPrev = NULL;
+   RegionRec FreedRegion;
+   Bool anyUsed = FALSE;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   pLink = offman->UsedAreas;
+   if(!pLink) return TRUE;  
+ 
+   while(pLink) {
+	if(pLink->area.RemoveAreaCallback) {
+	    (*pLink->area.RemoveAreaCallback)(&pLink->area);
+
+	    REGION_INIT(pScreen, &FreedRegion, &(pLink->area.box), 1); 
+	    REGION_APPEND(pScreen, offman->FreeBoxes, &FreedRegion);
+	    REGION_UNINIT(pScreen, &FreedRegion); 
+
+	    if(pPrev)
+	      pPrev->next = pLink->next;
+	    else offman->UsedAreas = pLink->next;
+
+	    tmp = pLink;
+	    pLink = pLink->next;
+  	    xfree(tmp); 
+	    offman->NumUsedAreas--;
+	    anyUsed = TRUE;
+	} else {
+	    pPrev = pLink;
+	    pLink = pLink->next;
+	}
+   }
+
+   if(anyUsed) {
+	REGION_VALIDATE(pScreen, offman->FreeBoxes, &anyUsed);
+	SendCallFreeBoxCallbacks(offman);
+   }
+
+   return TRUE;
+}
+
+static void 
+LinearMoveCBWrapper(FBAreaPtr from, FBAreaPtr to)
+{
+    /* this will never get called */
+}
+
+static void 
+LinearRemoveCBWrapper(FBAreaPtr area)
+{
+   FBManagerPtr offman;
+   FBLinearLinkPtr pLink, pLinkPrev = NULL;
+   ScreenPtr pScreen = area->pScreen;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   pLink = offman->LinearAreas;
+   if(!pLink) return;  
+ 
+   while(pLink->area != area) {
+        pLinkPrev = pLink;
+        pLink = pLink->next;
+        if(!pLink) return;
+   }
+
+   /* give the user the callback it is expecting */
+   (*pLink->linear.RemoveLinearCallback)(&(pLink->linear));
+
+   if(pLinkPrev)
+        pLinkPrev->next = pLink->next;
+   else offman->LinearAreas = pLink->next;
+
+   xfree(pLink);
+}
+
+#ifdef DEBUG
+static void
+Dump(FBLinearLinkPtr pLink)
+{
+   if (!pLink) ErrorF("MMmm, PLINK IS NULL!\n");
+
+   while (pLink) {
+	 ErrorF("  Offset:%08x, Size:%08x, %s,%s\n",
+		pLink->linear.offset,
+		pLink->linear.size,
+		pLink->free ? "Free" : "Used",
+		pLink->area ? "Area" : "Linear");
+
+	 pLink = pLink->next;
+   }
+}
+#endif
+
+static FBLinearPtr
+AllocateLinear(
+   FBManagerPtr offman,
+   int size,
+   int granularity,
+   pointer privData
+){
+   ScreenPtr pScreen = offman->pScreen;
+   FBLinearLinkPtr linear = NULL;
+   FBLinearLinkPtr newlink = NULL;
+   int offset, end;
+
+   if(size <= 0) return NULL;
+
+   if (!offman->LinearAreas) return NULL;
+
+   linear = offman->LinearAreas;
+   while (linear) {
+ 	/* Make sure we get a free area that's not an XY fallback case */
+      if (!linear->area && linear->free) {
+	 offset = linear->linear.offset;
+	 if (granularity > 1)
+	    offset = ((offset + granularity - 1) / granularity) * granularity;
+	 end = offset+size;
+	 if (end <= (linear->linear.offset + linear->linear.size))
+	    break;
+      }
+      linear = linear->next;
+   }
+   if (!linear)
+      return NULL;
+
+   /* break left */
+   if (offset > linear->linear.offset) {
+      newlink = xalloc(sizeof(FBLinearLink));
+      if (!newlink)
+	 return NULL;
+      newlink->area = NULL;
+      newlink->linear.offset = offset;
+      newlink->linear.size = linear->linear.size - (offset - linear->linear.offset);
+      newlink->free = 1;
+      newlink->next = linear->next;
+      linear->linear.size -= newlink->linear.size;
+      linear->next = newlink;
+      linear = newlink;
+   }
+
+   /* break right */
+   if (size < linear->linear.size) {
+      newlink = xalloc(sizeof(FBLinearLink));
+      if (!newlink)
+	 return NULL;
+      newlink->area = NULL;
+      newlink->linear.offset = offset + size;
+      newlink->linear.size = linear->linear.size - size;
+      newlink->free = 1;
+      newlink->next = linear->next;
+      linear->linear.size = size;
+      linear->next = newlink;
+   }
+
+   /* p = middle block */
+   linear->linear.granularity = granularity;
+   linear->free = 0;
+   linear->linear.pScreen = pScreen;
+   linear->linear.MoveLinearCallback = NULL;
+   linear->linear.RemoveLinearCallback = NULL;
+   linear->linear.devPrivate.ptr = NULL;
+
+#ifdef DEBUG
+   Dump(offman->LinearAreas);
+#endif
+
+   return &(linear->linear);
+}
+
+static FBLinearPtr
+localAllocateOffscreenLinear(
+    ScreenPtr pScreen, 
+    int length,
+    int gran,
+    MoveLinearCallbackProcPtr moveCB,
+    RemoveLinearCallbackProcPtr removeCB,
+    pointer privData
+){
+   FBManagerPtr offman;
+   FBLinearLinkPtr link;
+   FBAreaPtr area;
+   FBLinearPtr linear = NULL;
+   BoxPtr extents;
+   int w, h, pitch;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+
+   /* Try to allocate from linear memory first...... */
+#ifdef DEBUG
+   ErrorF("ALLOCATING LINEAR\n");
+#endif
+   if ((linear = AllocateLinear(offman, length, gran, privData)))
+  	return linear;
+
+#ifdef DEBUG
+   ErrorF("NOPE, ALLOCATING AREA\n");
+#endif
+
+   if(!(link = xalloc(sizeof(FBLinearLink))))
+     return NULL;
+
+   /* No linear available, so try and pinch some from the XY areas */
+   extents = REGION_EXTENTS(pScreen, offman->InitialBoxes);
+   pitch = extents->x2 - extents->x1;
+
+   if (gran > 1) {
+        if (gran > pitch) {
+            /* we can't match the specified alignment with XY allocations */
+            xfree(link);
+            return NULL;
+        }
+
+        if (pitch % gran) {
+            /* pitch and granularity aren't a perfect match, let's allocate
+             * a bit more so we can align later on
+             */
+            length += gran - 1;
+        }
+    }
+
+   if(length < pitch) { /* special case */
+	w = length;
+	h = 1;
+   } else {
+	w = pitch;
+	h = (length + pitch - 1) / pitch;
+   }
+
+   if((area = localAllocateOffscreenArea(pScreen, w, h, gran, 
+			moveCB   ? LinearMoveCBWrapper   : NULL, 
+			removeCB ? LinearRemoveCBWrapper : NULL, 
+			privData))) 
+   {
+	link->area = area;
+	link->free = 0;
+	link->next = offman->LinearAreas;
+	offman->LinearAreas = link;
+	linear = &(link->linear);
+	linear->pScreen = pScreen;
+	linear->size = h * w;
+	linear->offset = (pitch * area->box.y1) + area->box.x1;
+	if (gran > 1)
+            linear->offset = ((linear->offset + gran - 1) / gran) * gran;
+	linear->granularity = gran;
+	linear->MoveLinearCallback = moveCB;
+	linear->RemoveLinearCallback = removeCB;
+	linear->devPrivate.ptr = privData;
+   } else 
+	xfree(link);
+
+#ifdef DEBUG
+   Dump(offman->LinearAreas);
+#endif
+
+   return linear;
+}
+
+
+static void 
+localFreeOffscreenLinear(FBLinearPtr linear)
+{
+   FBManagerPtr offman;
+   FBLinearLinkPtr pLink, pLinkPrev = NULL;
+   ScreenPtr pScreen = linear->pScreen;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   pLink = offman->LinearAreas;
+   if(!pLink) return;  
+ 
+   while(&(pLink->linear) != linear) {
+        pLinkPrev = pLink;
+        pLink = pLink->next;
+        if(!pLink) return;
+   }
+
+   if(pLink->area) {  /* really an XY area */
+#ifdef DEBUG
+	ErrorF("FREEING AREA\n");
+#endif
+	localFreeOffscreenArea(pLink->area);
+   	if(pLinkPrev)
+	    pLinkPrev->next = pLink->next;
+   	else offman->LinearAreas = pLink->next;
+   	xfree(pLink); 
+#ifdef DEBUG
+   	Dump(offman->LinearAreas);
+#endif
+	return;
+   }
+
+   pLink->free = 1;
+
+   if (pLink->next && pLink->next->free) {
+      FBLinearLinkPtr p = pLink->next;
+      pLink->linear.size += p->linear.size;
+      pLink->next = p->next;
+      free(p);
+   }
+
+   if(pLinkPrev) {
+   	if (pLinkPrev->next && pLinkPrev->next->free && !pLinkPrev->area) {
+      	    FBLinearLinkPtr p = pLinkPrev->next;
+      	    pLinkPrev->linear.size += p->linear.size;
+      	    pLinkPrev->next = p->next;
+      	    free(p);
+    	}
+   } 
+   
+#ifdef DEBUG
+   ErrorF("FREEING LINEAR\n");
+   Dump(offman->LinearAreas);
+#endif
+}
+
+
+static Bool 
+localResizeOffscreenLinear(FBLinearPtr resize, int length)
+{
+   FBManagerPtr offman;
+   FBLinearLinkPtr pLink;
+   ScreenPtr pScreen = resize->pScreen;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   pLink = offman->LinearAreas;
+   if(!pLink) return FALSE;  
+ 
+   while(&(pLink->linear) != resize) {
+        pLink = pLink->next;
+        if(!pLink) return FALSE;
+   }
+
+   /* This could actually be alot smarter and try to move allocations
+      from XY to linear when available.  For now if it was XY, we keep
+      it XY */
+
+   if(pLink->area) {  /* really an XY area */
+	BoxPtr extents;
+	int pitch, w, h;
+
+	extents = REGION_EXTENTS(pScreen, offman->InitialBoxes);
+	pitch = extents->x2 - extents->x1;
+
+	if(length < pitch) { /* special case */
+	    w = length;
+	    h = 1;
+	} else {
+	    w = pitch;
+	    h = (length + pitch - 1) / pitch;
+	}
+
+	if(localResizeOffscreenArea(pLink->area, w, h)) {
+	    resize->size = h * w;
+	    resize->offset = (pitch * pLink->area->box.y1) + pLink->area->box.x1;
+	    return TRUE;	
+	}
+   } else {
+	/* TODO!!!! resize the linear area */
+   }
+
+   return FALSE;
+}
+
+
+static Bool
+localQueryLargestOffscreenLinear(
+    ScreenPtr pScreen,
+    int *size,
+    int gran,
+    int priority
+)
+{
+    FBManagerPtr offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+							 xf86FBScreenKey);
+    FBLinearLinkPtr pLink;
+    FBLinearLinkPtr pLinkRet;
+
+    *size = 0;
+    
+    pLink = offman->LinearAreas;
+
+    if (pLink && !pLink->area) {
+	pLinkRet = pLink;
+	while (pLink) {
+	    if (pLink->free) {
+		if (pLink->linear.size > pLinkRet->linear.size)
+		    pLinkRet = pLink;
+	    }
+	    pLink = pLink->next;
+    	}
+
+	if (pLinkRet->free) {
+	    *size = pLinkRet->linear.size;
+	    return TRUE;
+    	}
+    } else {
+	int w, h;
+
+    	if(localQueryLargestOffscreenArea(pScreen, &w, &h, gran, 
+				FAVOR_WIDTH_THEN_AREA, priority))
+    	{
+	    FBManagerPtr offman;
+	    BoxPtr extents;
+
+	    offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBScreenKey);
+	    extents = REGION_EXTENTS(pScreen, offman->InitialBoxes);
+	    if((extents->x2 - extents->x1) == w)
+	    	*size = w * h;
+	    return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+
+
+static FBManagerFuncs xf86FBManFuncs = {
+   localAllocateOffscreenArea,
+   localFreeOffscreenArea,
+   localResizeOffscreenArea,
+   localQueryLargestOffscreenArea,
+   localRegisterFreeBoxCallback,
+   localAllocateOffscreenLinear,
+   localFreeOffscreenLinear,
+   localResizeOffscreenLinear,
+   localQueryLargestOffscreenLinear,
+   localPurgeUnlockedOffscreenAreas
+ };
+
+
+static Bool
+xf86FBCloseScreen (int i, ScreenPtr pScreen)
+{
+   FBLinkPtr pLink, tmp;
+   FBLinearLinkPtr pLinearLink, tmp2;
+   FBManagerPtr offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+							xf86FBScreenKey);
+   
+   pScreen->CloseScreen = offman->CloseScreen;
+
+   pLink = offman->UsedAreas;
+   while(pLink) {
+	tmp = pLink;
+	pLink = pLink->next;
+	xfree(tmp);
+   }
+
+   pLinearLink = offman->LinearAreas;
+   while(pLinearLink) {
+	tmp2 = pLinearLink;
+	pLinearLink = pLinearLink->next;
+	xfree(tmp2);
+   }
+
+   REGION_DESTROY(pScreen, offman->InitialBoxes);
+   REGION_DESTROY(pScreen, offman->FreeBoxes);
+
+   xfree(offman->FreeBoxesUpdateCallback);
+   xfree(offman->devPrivates);
+   xfree(offman);
+   dixSetPrivate(&pScreen->devPrivates, xf86FBScreenKey, NULL);
+
+   return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+_X_EXPORT Bool
+xf86InitFBManager(
+    ScreenPtr pScreen,  
+    BoxPtr FullBox
+){
+   ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+   RegionRec ScreenRegion;
+   RegionRec FullRegion;
+   BoxRec ScreenBox;
+   Bool ret;
+
+   ScreenBox.x1 = 0;
+   ScreenBox.y1 = 0;
+   ScreenBox.x2 = pScrn->virtualX;
+   ScreenBox.y2 = pScrn->virtualY;
+
+   if((FullBox->x1 >  ScreenBox.x1) || (FullBox->y1 >  ScreenBox.y1) ||
+      (FullBox->x2 <  ScreenBox.x2) || (FullBox->y2 <  ScreenBox.y2)) {
+	return FALSE;   
+   }
+
+   if (FullBox->y2 < FullBox->y1) return FALSE;
+   if (FullBox->x2 < FullBox->x1) return FALSE;
+
+   REGION_INIT(pScreen, &ScreenRegion, &ScreenBox, 1); 
+   REGION_INIT(pScreen, &FullRegion, FullBox, 1); 
+
+   REGION_SUBTRACT(pScreen, &FullRegion, &FullRegion, &ScreenRegion);
+
+   ret = xf86InitFBManagerRegion(pScreen, &FullRegion);
+
+   REGION_UNINIT(pScreen, &ScreenRegion);
+   REGION_UNINIT(pScreen, &FullRegion);
+    
+   return ret;
+}
+
+_X_EXPORT Bool
+xf86InitFBManagerArea(
+    ScreenPtr pScreen,
+    int PixelArea,
+    int Verbosity
+)
+{
+    ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+    xRectangle Rect[3];
+    RegionPtr pRegion, pScreenRegion;
+    int nRect;
+    Bool ret = FALSE;
+
+    if (PixelArea < (pScrn->displayWidth * pScrn->virtualY))
+	return FALSE;
+
+    Rect[0].x = Rect[0].y = 0;
+    Rect[0].width = pScrn->displayWidth;
+    Rect[0].height = PixelArea / pScrn->displayWidth;
+    nRect = 1;
+
+    /* Add a possible partial scanline */
+    if ((Rect[1].height = Rect[1].width = PixelArea % pScrn->displayWidth)) {
+	Rect[1].x = 0;
+	Rect[1].y = Rect[0].height;
+	Rect[1].height = 1;
+	nRect++;
+    }
+
+    /* Factor out virtual resolution */
+    pRegion = RECTS_TO_REGION(pScreen, nRect, Rect, 0);
+    if (pRegion) {
+	if (!REGION_NAR(pRegion)) {
+	    Rect[2].x = Rect[2].y = 0;
+	    Rect[2].width = pScrn->virtualX;
+	    Rect[2].height = pScrn->virtualY;
+
+	    pScreenRegion = RECTS_TO_REGION(pScreen, 1, &Rect[2], 0);
+	    if (pScreenRegion) {
+		if (!REGION_NAR(pScreenRegion)) {
+		    REGION_SUBTRACT(pScreen, pRegion, pRegion, pScreenRegion);
+
+		    ret = xf86InitFBManagerRegion(pScreen, pRegion);
+
+		    if (ret && xf86GetVerbosity() >= Verbosity) {
+			int scrnIndex = pScrn->scrnIndex;
+
+			xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
+			    "Largest offscreen areas (with overlaps):\n");
+
+			if (Rect[2].width < Rect[0].width) {
+			    xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
+				"\t%d x %d rectangle at %d,0\n",
+				Rect[0].width - Rect[2].width,
+				Rect[0].height,
+				Rect[2].width);
+			}
+			if (Rect[2].width < Rect[1].width) {
+			    xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
+				"\t%d x %d rectangle at %d,0\n",
+				Rect[1].width - Rect[2].width,
+				Rect[0].height + Rect[1].height,
+				Rect[2].width);
+			}
+			if (Rect[2].height < Rect[0].height) {
+			    xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
+				"\t%d x %d rectangle at 0,%d\n",
+				Rect[0].width,
+				Rect[0].height - Rect[2].height,
+				Rect[2].height);
+			}
+			if (Rect[1].height) {
+			    xf86DrvMsgVerb(scrnIndex, X_INFO, Verbosity,
+				"\t%d x %d rectangle at 0,%d\n",
+				Rect[1].width,
+				Rect[0].height - Rect[2].height +
+				    Rect[1].height,
+				Rect[2].height);
+			}
+		    }
+		}
+
+		REGION_DESTROY(pScreen, pScreenRegion);
+	    }
+	}
+
+	REGION_DESTROY(pScreen, pRegion);
+    }
+
+    return ret;
+}
+
+_X_EXPORT Bool
+xf86InitFBManagerRegion(
+    ScreenPtr pScreen,  
+    RegionPtr FullRegion
+){
+   FBManagerPtr offman;
+
+   if(REGION_NIL(FullRegion))
+	return FALSE;
+
+   if(!xf86RegisterOffscreenManager(pScreen, &xf86FBManFuncs))
+	return FALSE;
+
+   offman = xalloc(sizeof(FBManager));
+   if(!offman) return FALSE;
+
+   dixSetPrivate(&pScreen->devPrivates, xf86FBScreenKey, offman);
+
+   offman->CloseScreen = pScreen->CloseScreen;
+   pScreen->CloseScreen = xf86FBCloseScreen;
+
+   offman->InitialBoxes = REGION_CREATE(pScreen, NULL, 1);
+   offman->FreeBoxes = REGION_CREATE(pScreen, NULL, 1);
+
+   REGION_COPY(pScreen, offman->InitialBoxes, FullRegion);
+   REGION_COPY(pScreen, offman->FreeBoxes, FullRegion);
+
+   offman->pScreen = pScreen;
+   offman->UsedAreas = NULL;
+   offman->LinearAreas = NULL;
+   offman->NumUsedAreas = 0;  
+   offman->NumCallbacks = 0;
+   offman->FreeBoxesUpdateCallback = NULL;
+   offman->devPrivates = NULL;
+
+   return TRUE;
+} 
+
+_X_EXPORT Bool
+xf86InitFBManagerLinear(
+    ScreenPtr pScreen,  
+    int offset,
+    int size
+){
+   FBManagerPtr offman;
+   FBLinearLinkPtr link;
+   FBLinearPtr linear;
+
+   if (size <= 0)
+	return FALSE;
+
+   /* we expect people to have called the Area setup first for pixmap cache */
+   if (!dixLookupPrivate(&pScreen->devPrivates, xf86FBScreenKey))
+	return FALSE;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   offman->LinearAreas = xalloc(sizeof(FBLinearLink));
+   if (!offman->LinearAreas)
+	return FALSE;
+
+   link = offman->LinearAreas;
+   link->area = NULL;
+   link->next = NULL;
+   link->free = 1;
+   linear = &(link->linear);
+   linear->pScreen = pScreen;
+   linear->size = size;
+   linear->offset = offset;
+   linear->granularity = 0;
+   linear->MoveLinearCallback = NULL;
+   linear->RemoveLinearCallback = NULL;
+   linear->devPrivate.ptr = NULL;
+
+   return TRUE;
+}
+
+
+/* This is an implementation specific function and should 
+   disappear after the next release.  People should use the
+   real linear functions instead */
+
+_X_EXPORT FBAreaPtr 
+xf86AllocateLinearOffscreenArea (
+   ScreenPtr pScreen, 
+   int length,
+   int gran,
+   MoveAreaCallbackProcPtr moveCB,
+   RemoveAreaCallbackProcPtr removeCB,
+   pointer privData
+){
+   FBManagerFuncsPtr funcs;
+   FBManagerPtr offman;
+   BoxPtr extents;
+   int w, h;
+
+   if(xf86FBManagerKey == NULL) 
+        return NULL;
+   if(!(funcs = (FBManagerFuncsPtr)dixLookupPrivate(&pScreen->devPrivates,
+						    xf86FBManagerKey)))
+        return NULL;
+
+   offman = (FBManagerPtr)dixLookupPrivate(&pScreen->devPrivates,
+					   xf86FBScreenKey);
+   extents = REGION_EXTENTS(pScreen, offman->InitialBoxes);
+   w = extents->x2 - extents->x1;
+
+   if (gran > 1) {
+	if (gran > w)
+	    return NULL;
+
+	if (w % gran)
+	    length += gran - 1;
+   }
+
+   if(length <= w) { /* special case */
+	h = 1;
+	w = length;
+   } else {
+	h = (length + w - 1) / w;
+   }
+
+   return (*funcs->AllocateOffscreenArea)(
+                pScreen, w, h, gran, moveCB, removeCB, privData);
+}