Merge commit 'origin/server-1.7-branch' into xorg-server-1.7-apple

23 files changed, 330 insertions, 211 deletions

diff --git a/Xext/shm.c b/Xext/shm.c
index e4f08e2a2..a6f804cd5 100644
--- a/Xext/shm.c
+++ b/Xext/shm.c
@@ -497,15 +497,40 @@ doShmPutImage(DrawablePtr dst, GCPtr pGC,
 	      char *data)
 {
     PixmapPtr pPixmap;
-  
-    pPixmap = GetScratchPixmapHeader(dst->pScreen, w, h, depth,
-				     BitsPerPixel(depth),
-				     PixmapBytePad(w, depth),
-				     data);
-    if (!pPixmap)
-	return;
-    pGC->ops->CopyArea((DrawablePtr)pPixmap, dst, pGC, sx, sy, sw, sh, dx, dy);
-    FreeScratchPixmapHeader(pPixmap);
+
+    if (format == ZPixmap || depth == 1) {
+	pPixmap = GetScratchPixmapHeader(dst->pScreen, w, h, depth,
+					 BitsPerPixel(depth),
+					 PixmapBytePad(w, depth),
+					 data);
+	if (!pPixmap)
+	    return;
+	pGC->ops->CopyArea((DrawablePtr)pPixmap, dst, pGC, sx, sy, sw, sh, dx, dy);
+	FreeScratchPixmapHeader(pPixmap);
+    } else {
+	GCPtr putGC = GetScratchGC(depth, dst->pScreen);
+
+	if (!putGC)
+	    return;
+
+	pPixmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth,
+						CREATE_PIXMAP_USAGE_SCRATCH);
+	if (!pPixmap) {
+	    FreeScratchGC(putGC);
+	    return;
+	}
+	ValidateGC(&pPixmap->drawable, putGC);
+	(*putGC->ops->PutImage)(&pPixmap->drawable, putGC, depth, -sx, -sy, w, h, 0,
+				(format == XYPixmap) ? XYPixmap : ZPixmap, data);
+	FreeScratchGC(putGC);
+	if (format == XYBitmap)
+	    (void)(*pGC->ops->CopyPlane)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh,
+					 dx, dy, 1L);
+	else
+	    (void)(*pGC->ops->CopyArea)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh,
+					dx, dy);
+	(*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap);
+    }
 }
 
 #ifdef PANORAMIX
diff --git a/composite/compinit.c b/composite/compinit.c
index 6159e4e49..96ac70fd0 100644
--- a/composite/compinit.c
+++ b/composite/compinit.c
@@ -248,15 +248,9 @@ static Bool
 compAddAlternateVisual(ScreenPtr pScreen, CompScreenPtr cs,
 		       CompAlternateVisual *alt)
 {
-    VisualPtr	    visual, visuals;
-    int		    i;
-    int		    numVisuals;
-    XID		    *installedCmaps;
-    ColormapPtr	    installedCmap;
-    int		    numInstalledCmaps;
+    VisualPtr	    visual;
     DepthPtr	    depth;
     PictFormatPtr   pPictFormat;
-    VisualID	    *vid;
     unsigned long   alphaMask;
 
     /*
@@ -277,54 +271,13 @@ compAddAlternateVisual(ScreenPtr pScreen, CompScreenPtr cs,
 	pPictFormat->direct.red != pScreen->visuals[0].offsetRed)
 	return FALSE;
 
-    vid = xalloc(sizeof(VisualID));
-    if (!vid)
-	return FALSE;
-
-    /* Find the installed colormaps */
-    installedCmaps = xalloc (pScreen->maxInstalledCmaps * sizeof (XID));
-    if (!installedCmaps) {
-	xfree(vid);
-	return FALSE;
-    }
-    numInstalledCmaps = pScreen->ListInstalledColormaps(pScreen, 
-	    installedCmaps);
-
-    /* realloc the visual array to fit the new one in place */
-    numVisuals = pScreen->numVisuals;
-    visuals = xrealloc(pScreen->visuals, (numVisuals + 1) * sizeof(VisualRec));
-    if (!visuals) {
-	xfree(vid);
-	xfree(installedCmaps);
-	return FALSE;
+    if (ResizeVisualArray(pScreen, 1, depth) == FALSE) {
+        return FALSE;
     }
 
-    /*
-     * Fix up any existing installed colormaps -- we'll assume that
-     * the only ones created so far have been installed.  If this
-     * isn't true, we'll have to walk the resource database looking
-     * for all colormaps.
-     */
-    for (i = 0; i < numInstalledCmaps; i++) {
-	int j, rc;
-
-	rc = dixLookupResourceByType((pointer *)&installedCmap,
-				     installedCmaps[i], RT_COLORMAP,
-				     serverClient, DixReadAccess);
-	if (rc != Success)
-	    continue;
-	j = installedCmap->pVisual - pScreen->visuals;
-	installedCmap->pVisual = &visuals[j];
-    }
-
-    xfree(installedCmaps);
-
-    pScreen->visuals = visuals;
-    visual = visuals + pScreen->numVisuals; /* the new one */
-    pScreen->numVisuals++;
+    visual = pScreen->visuals + (pScreen->numVisuals - 1); /* the new one */
 
     /* Initialize the visual */
-    visual->vid = FakeClientID (0);
     visual->bitsPerRGBValue = 8;
     if (PICT_FORMAT_TYPE(alt->format) == PICT_TYPE_COLOR) {
 	visual->class = PseudoColor;
@@ -357,10 +310,6 @@ compAddAlternateVisual(ScreenPtr pScreen, CompScreenPtr cs,
     /* remember the visual ID to detect auto-update windows */
     compRegisterAlternateVisuals(cs, &visual->vid, 1);
 
-    /* Fix up the depth */
-    *vid = visual->vid;
-    depth->numVids = 1;
-    depth->vids = vid;
     return TRUE;
 }
 
diff --git a/configure.ac b/configure.ac
index 7d0abca8f..9425bc964 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,8 +26,8 @@ dnl
 dnl Process this file with autoconf to create configure.
 
 AC_PREREQ(2.57)
-AC_INIT([xorg-server], 1.6.99.902, [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg], xorg-server)
-RELEASE_DATE="2009-9-22"
+AC_INIT([xorg-server], 1.7.0, [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg], xorg-server)
+RELEASE_DATE="2009-10-2"
 AC_CONFIG_SRCDIR([Makefile.am])
 AM_INIT_AUTOMAKE([dist-bzip2 foreign])
 AM_MAINTAINER_MODE
@@ -598,7 +598,7 @@ dnl DDXes.
 AC_ARG_ENABLE(xorg,    	      AS_HELP_STRING([--enable-xorg], [Build Xorg server (default: auto)]), [XORG=$enableval], [XORG=auto])
 AC_ARG_ENABLE(dmx,    	      AS_HELP_STRING([--enable-dmx], [Build DMX server (default: auto)]), [DMX=$enableval], [DMX=auto])
 AC_ARG_ENABLE(xvfb,    	      AS_HELP_STRING([--enable-xvfb], [Build Xvfb server (default: yes)]), [XVFB=$enableval], [XVFB=yes])
-AC_ARG_ENABLE(xnest,   	      AS_HELP_STRING([--enable-xnest], [Build Xnest server (default: yes)]), [XNEST=$enableval], [XNEST=yes])
+AC_ARG_ENABLE(xnest,   	      AS_HELP_STRING([--enable-xnest], [Build Xnest server (default: auto)]), [XNEST=$enableval], [XNEST=auto])
 AC_ARG_ENABLE(xquartz,        AS_HELP_STRING([--enable-xquartz], [Build Xquartz server for OS-X (default: auto)]), [XQUARTZ=$enableval], [XQUARTZ=auto])
 AC_ARG_ENABLE(standalone-xpbproxy, AS_HELP_STRING([--enable-standalone-xpbproxy], [Build a standalone xpbproxy (in addition to the one integrated into Xquartz as a separate thread) (default: no)]), [STANDALONE_XPBPROXY=$enableval], [STANDALONE_XPBPROXY=no])
 AC_ARG_ENABLE(xwin,    	      AS_HELP_STRING([--enable-xwin], [Build XWin server (default: auto)]), [XWIN=$enableval], [XWIN=auto])
@@ -1373,6 +1373,9 @@ AC_MSG_RESULT([$XNEST])
 AM_CONDITIONAL(XNEST, [test "x$XNEST" = xyes])
 
 if test "x$XNEST" = xyes; then
+	if test "x$have_xnest" = xno; then
+		AC_MSG_ERROR([Xnest build explicitly requested, but required modules not found.])
+	fi
 	XNEST_LIBS="$FB_LIB $FIXES_LIB $MI_LIB $XEXT_LIB $DBE_LIB $RECORD_LIB $GLX_LIBS $RANDR_LIB $RENDER_LIB $DAMAGE_LIB $MIEXT_DAMAGE_LIB $MIEXT_SHADOW_LIB $XI_LIB $XKB_LIB $XKB_STUB_LIB $COMPOSITE_LIB $DIX_LIB $MAIN_LIB $OS_LIB $CONFIG_LIB"
 	XNEST_SYS_LIBS="$XNESTMODULES_LIBS $GLX_SYS_LIBS"
 	AC_SUBST([XNEST_LIBS])
diff --git a/dix/colormap.c b/dix/colormap.c
index a5a006e60..d702b0204 100644
--- a/dix/colormap.c
+++ b/dix/colormap.c
@@ -2690,3 +2690,67 @@ IsMapInstalled(Colormap map, WindowPtr pWin)
     xfree(pmaps);
     return (found);
 }
+
+struct colormap_lookup_data {
+    ScreenPtr pScreen;
+    VisualPtr visuals;
+};
+
+static void _colormap_find_resource(pointer value, XID id,
+				    pointer cdata)
+{
+    struct colormap_lookup_data *cmap_data = cdata;
+    VisualPtr visuals = cmap_data->visuals;
+    ScreenPtr pScreen = cmap_data->pScreen;
+    ColormapPtr cmap = value;
+    int j;
+
+    j = cmap->pVisual - pScreen->visuals;
+    cmap->pVisual = &visuals[j];
+}
+
+/* something has realloced the visuals, instead of breaking
+   ABI fix it up here - glx and compsite did this wrong */
+Bool
+ResizeVisualArray(ScreenPtr pScreen, int new_visual_count,
+		  DepthPtr depth)
+{
+    struct colormap_lookup_data cdata;
+    int numVisuals;
+    VisualPtr visuals;
+    XID *vids, vid;
+    int first_new_vid, first_new_visual, i;
+
+    first_new_vid = depth->numVids;
+    first_new_visual = pScreen->numVisuals;
+
+    vids = xrealloc(depth->vids, (depth->numVids + new_visual_count) * sizeof(XID));
+    if (!vids)
+        return FALSE;
+
+    /* its realloced now no going back if we fail the next one */
+    depth->vids = vids;
+
+    numVisuals = pScreen->numVisuals + new_visual_count;
+    visuals = xrealloc(pScreen->visuals, numVisuals * sizeof(VisualRec));
+    if (!visuals) {
+	return FALSE;
+    }
+
+    cdata.visuals = visuals;
+    cdata.pScreen = pScreen;
+    FindClientResourcesByType(serverClient, RT_COLORMAP, _colormap_find_resource, &cdata);
+
+    pScreen->visuals = visuals;
+
+    for (i = 0; i < new_visual_count; i++) {
+	vid = FakeClientID(0);
+	pScreen->visuals[first_new_visual + i].vid = vid;
+	vids[first_new_vid + i] = vid;
+    }
+
+    depth->numVids += new_visual_count;
+    pScreen->numVisuals += new_visual_count;
+
+    return TRUE;
+}
diff --git a/dix/getevents.c b/dix/getevents.c
index 5224d31eb..2df32e8f5 100644
--- a/dix/getevents.c
+++ b/dix/getevents.c
@@ -781,6 +781,19 @@ positionSprite(DeviceIntPtr dev, int *x, int *y, float x_frac, float y_frac,
         *screeny_frac = dev->last.remainder[1];
     }
 
+    /* Hit the left screen edge? */
+    if (*screenx <= 0 && *screenx_frac < 0.0f)
+    {
+        *screenx_frac = 0.0f;
+        x_frac = 0.0f;
+    }
+    if (*screeny <= 0 && *screeny_frac < 0.0f)
+    {
+        *screeny_frac = 0.0f;
+        y_frac = 0.0f;
+    }
+
+
     old_screenx = *screenx;
     old_screeny = *screeny;
     /* This takes care of crossing screens for us, as well as clipping
diff --git a/exa/exa_migration_classic.c b/exa/exa_migration_classic.c
index 4819af841..6d7b9f5b6 100644
--- a/exa/exa_migration_classic.c
+++ b/exa/exa_migration_classic.c
@@ -242,11 +242,6 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, RegionPtr pValidSrc,
 	pBox++;
     }
 
-    if (access_prepared)
-	exaFinishAccess(&pPixmap->drawable, fallback_index);
-    else if (need_sync && sync)
-	sync (pPixmap->drawable.pScreen);
-
     pExaPixmap->offscreen = save_offscreen;
     pPixmap->devKind = save_pitch;
 
@@ -261,6 +256,11 @@ exaCopyDirty(ExaMigrationPtr migrate, RegionPtr pValidDst, RegionPtr pValidSrc,
     REGION_UNION(pScreen, pValidDst, pValidDst, &CopyReg);
 
     REGION_UNINIT(pScreen, &CopyReg);
+
+    if (access_prepared)
+	exaFinishAccess(&pPixmap->drawable, fallback_index);
+    else if (need_sync && sync)
+	sync (pPixmap->drawable.pScreen);
 }
 
 /**
diff --git a/glx/glxscreens.c b/glx/glxscreens.c
index 81faddd04..7d29d31de 100644
--- a/glx/glxscreens.c
+++ b/glx/glxscreens.c
@@ -250,12 +250,8 @@ GLint glxConvertToXVisualType(int visualType)
 static VisualPtr
 AddScreenVisuals(ScreenPtr pScreen, int count, int d)
 {
-    XID		*installedCmaps, *vids, vid;
-    int		 numInstalledCmaps, numVisuals, i, j;
-    VisualPtr	 visuals;
-    ColormapPtr	 installedCmap;
+    int		 i;
     DepthPtr	 depth;
-    int		 rc;
 
     depth = NULL;
     for (i = 0; i < pScreen->numDepths; i++) {
@@ -267,56 +263,8 @@ AddScreenVisuals(ScreenPtr pScreen, int count, int d)
     if (depth == NULL)
 	return NULL;
 
-    /* Find the installed colormaps */
-    installedCmaps = xalloc (pScreen->maxInstalledCmaps * sizeof (XID));
-    if (!installedCmaps)
-	return NULL;
-
-    numInstalledCmaps = pScreen->ListInstalledColormaps(pScreen, installedCmaps);
-
-    /* realloc the visual array to fit the new one in place */
-    numVisuals = pScreen->numVisuals;
-    visuals = xrealloc(pScreen->visuals, (numVisuals + count) * sizeof(VisualRec));
-    if (!visuals) {
-	xfree(installedCmaps);
-	return NULL;
-    }
-
-    vids = xrealloc(depth->vids, (depth->numVids + count) * sizeof(XID));
-    if (vids == NULL) {
-	xfree(installedCmaps);
-	xfree(visuals);
-	return NULL;
-    }
-
-    /*
-     * Fix up any existing installed colormaps -- we'll assume that
-     * the only ones created so far have been installed.  If this
-     * isn't true, we'll have to walk the resource database looking
-     * for all colormaps.
-     */
-    for (i = 0; i < numInstalledCmaps; i++) {
-	rc = dixLookupResourceByType((pointer *)&installedCmap,
-				     installedCmaps[i], RT_COLORMAP,
-				     serverClient, DixReadAccess);
-	if (rc != Success)
-	    continue;
-	j = installedCmap->pVisual - pScreen->visuals;
-	installedCmap->pVisual = &visuals[j];
-    }
-
-    xfree(installedCmaps);
-
-    for (i = 0; i < count; i++) {
-	vid = FakeClientID(0);
-	visuals[pScreen->numVisuals + i].vid = vid;
-	vids[depth->numVids + i] = vid;
-    }
-
-    pScreen->visuals = visuals;
-    pScreen->numVisuals += count;
-    depth->vids = vids;
-    depth->numVids += count;
+    if (ResizeVisualArray(pScreen, count, depth) == FALSE)
+        return NULL;
 
     /* Return a pointer to the first of the added visuals. */ 
     return pScreen->visuals + pScreen->numVisuals - count;
diff --git a/hw/kdrive/ephyr/Xephyr.man.pre b/hw/kdrive/ephyr/Xephyr.man.pre
index 008256914..eb80b96b0 100644
--- a/hw/kdrive/ephyr/Xephyr.man.pre
+++ b/hw/kdrive/ephyr/Xephyr.man.pre
@@ -46,6 +46,11 @@ sets the screen size.
 .BI -parent " id"
 uses exiting window
 .I id .
+If a 
+.BI -screen 
+argument follows a 
+.BI -parent
+argument, this screen is embedded into the given window.
 .TP 8
 .B -host-cursor
 set 'cursor acceleration':
diff --git a/hw/kdrive/ephyr/ephyrinit.c b/hw/kdrive/ephyr/ephyrinit.c
index 22152ffe0..eecad7e42 100644
--- a/hw/kdrive/ephyr/ephyrinit.c
+++ b/hw/kdrive/ephyr/ephyrinit.c
@@ -148,6 +148,7 @@ processScreenArg (char *screen_size, char *parent_id)
 int
 ddxProcessArgument (int argc, char **argv, int i)
 {
+  static char* parent = NULL;
   EPHYR_DBG("mark argv[%d]='%s'", i, argv[i] );
 
   if (i == 1)
@@ -159,6 +160,18 @@ ddxProcessArgument (int argc, char **argv, int i)
     {
       if(i+1 < argc)
 	{
+	  int j;
+	  /* If parent is specified and a screen argument follows, don't do
+           * anything, let the -screen handling init the rest */
+	  for (j = i; j < argc; j++)
+	    {
+	      if (!strcmp(argv[j], "-screen"))
+		{
+		  parent = argv[i + 1];
+		  return 2;
+		}
+	    }
+
 	  processScreenArg ("100x100", argv[i+1]);
 	  return 2;
 	}
@@ -170,7 +183,8 @@ ddxProcessArgument (int argc, char **argv, int i)
     {
       if ((i+1) < argc)
 	{
-	  processScreenArg (argv[i+1], NULL);
+	  processScreenArg (argv[i+1], parent);
+	  parent = NULL;
 	  return 2;
 	}
 
diff --git a/hw/xfree86/common/compiler.h b/hw/xfree86/common/compiler.h
index cdb493a23..a450bd676 100644
--- a/hw/xfree86/common/compiler.h
+++ b/hw/xfree86/common/compiler.h
@@ -1211,6 +1211,8 @@ extern _X_EXPORT void (*xf86WriteMmio32)(int, void *, unsigned long);
 extern _X_EXPORT void (*xf86WriteMmioNB8)(int, void *, unsigned long);
 extern _X_EXPORT void (*xf86WriteMmioNB16)(int, void *, unsigned long);
 extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
+extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char *, unsigned char *, int);
+extern _X_EXPORT void xf86SlowBCopyToBus(unsigned char *, unsigned char *, int);
 
 /* Some macros to hide the system dependencies for MMIO accesses */
 /* Changed to kill noise generated by gcc's -Wcast-align */
@@ -1342,4 +1344,18 @@ extern _X_EXPORT void (*xf86WriteMmioNB32)(int, void *, unsigned long);
 #  define MMIO_MOVE32(base, offset, val) MMIO_OUT32(base, offset, val)
 
 # endif /* __alpha__ */
+
+/*
+ * With Intel, the version in os-support/misc/SlowBcopy.s is used.
+ * This avoids port I/O during the copy (which causes problems with
+ * some hardware).
+ */
+# ifdef __alpha__
+#  define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
+#  define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
+# else /* __alpha__ */
+#  define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
+#  define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
+# endif /* __alpha__ */
+
 #endif /* _COMPILER_H */
diff --git a/hw/xfree86/common/xf86DGA.c b/hw/xfree86/common/xf86DGA.c
index 42b7c5805..804fd37c1 100644
--- a/hw/xfree86/common/xf86DGA.c
+++ b/hw/xfree86/common/xf86DGA.c
@@ -120,8 +120,22 @@ DGAInit(
 
     DGAScreenKey = &DGAScreenKeyIndex;
 
-    if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec))))
-	return FALSE;
+    pScreenPriv = DGA_GET_SCREEN_PRIV(pScreen);
+
+    if (!pScreenPriv)
+    {
+	if(!(pScreenPriv = (DGAScreenPtr)xalloc(sizeof(DGAScreenRec))))
+	    return FALSE;
+	dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv);
+	pScreenPriv->CloseScreen = pScreen->CloseScreen;
+	pScreen->CloseScreen = DGACloseScreen;
+	pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
+	pScreen->DestroyColormap = DGADestroyColormap;
+	pScreenPriv->InstallColormap = pScreen->InstallColormap;
+	pScreen->InstallColormap = DGAInstallColormap;
+	pScreenPriv->UninstallColormap = pScreen->UninstallColormap;
+	pScreen->UninstallColormap = DGAUninstallColormap;
+    }
 
     pScreenPriv->pScrn = pScrn;
     pScreenPriv->numModes = num;
@@ -146,17 +160,6 @@ DGAInit(
 	    modes[i].flags &= ~DGA_PIXMAP_AVAILABLE;
 #endif
 
-    dixSetPrivate(&pScreen->devPrivates, DGAScreenKey, pScreenPriv);
-    pScreenPriv->CloseScreen = pScreen->CloseScreen;
-    pScreen->CloseScreen = DGACloseScreen;
-    pScreenPriv->DestroyColormap = pScreen->DestroyColormap;
-    pScreen->DestroyColormap = DGADestroyColormap;
-    pScreenPriv->InstallColormap = pScreen->InstallColormap;
-    pScreen->InstallColormap = DGAInstallColormap;
-    pScreenPriv->UninstallColormap = pScreen->UninstallColormap;
-    pScreen->UninstallColormap = DGAUninstallColormap;
-
-
     return TRUE;
 }
 
diff --git a/hw/xfree86/modes/xf86Crtc.c b/hw/xfree86/modes/xf86Crtc.c
index c1e31e003..506fbb9cb 100644
--- a/hw/xfree86/modes/xf86Crtc.c
+++ b/hw/xfree86/modes/xf86Crtc.c
@@ -806,7 +806,7 @@ xf86CrtcScreenInit (ScreenPtr screen)
     screen->CloseScreen = xf86CrtcCloseScreen;
     
 #ifdef XFreeXDGA
-    xf86DiDGAInit(screen, 0);
+    _xf86_di_dga_init_internal(screen);
 #endif
 #ifdef RANDR_13_INTERFACE
     return RANDR_INTERFACE_VERSION;
@@ -1928,7 +1928,7 @@ xf86SetScrnInfoModes (ScrnInfoPtr scrn)
     scrn->currentMode = scrn->modes;
 #ifdef XFreeXDGA
     if (scrn->pScreen)
-	    xf86DiDGAReInit(scrn->pScreen);
+	    _xf86_di_dga_reinit_internal(scrn->pScreen);
 #endif
 }
 
diff --git a/hw/xfree86/modes/xf86Crtc.h b/hw/xfree86/modes/xf86Crtc.h
index 69afaa5d1..9baa956a3 100644
--- a/hw/xfree86/modes/xf86Crtc.h
+++ b/hw/xfree86/modes/xf86Crtc.h
@@ -833,6 +833,10 @@ xf86OutputGetEDID (xf86OutputPtr output, I2CBusPtr pDDCBus);
 extern _X_EXPORT Bool
 xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address);
 
+/* this is the real function, used only internally */
+_X_INTERNAL Bool
+_xf86_di_dga_init_internal (ScreenPtr pScreen);
+
 /**
  * Re-initialize dga for this screen (as when the set of modes changes)
  */
@@ -841,6 +845,10 @@ extern _X_EXPORT Bool
 xf86DiDGAReInit (ScreenPtr pScreen);
 #endif
 
+/* This is the real function, used only internally */
+_X_INTERNAL Bool
+_xf86_di_dga_reinit_internal (ScreenPtr pScreen);
+
 /*
  * Set the subpixel order reported for the screen using
  * the information from the outputs
diff --git a/hw/xfree86/modes/xf86DiDGA.c b/hw/xfree86/modes/xf86DiDGA.c
index 0f7b8342c..60fbdbf05 100644
--- a/hw/xfree86/modes/xf86DiDGA.c
+++ b/hw/xfree86/modes/xf86DiDGA.c
@@ -175,6 +175,12 @@ static DGAFunctionRec xf86_dga_funcs = {
 Bool
 xf86DiDGAReInit (ScreenPtr pScreen)
 {
+    return TRUE;
+}
+
+Bool
+_xf86_di_dga_reinit_internal (ScreenPtr pScreen)
+{
     ScrnInfoPtr		scrn = xf86Screens[pScreen->myNum];
     xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
     
@@ -190,12 +196,15 @@ xf86DiDGAReInit (ScreenPtr pScreen)
 Bool
 xf86DiDGAInit (ScreenPtr pScreen, unsigned long dga_address)
 {
+    return TRUE;
+}
+
+Bool
+_xf86_di_dga_init_internal (ScreenPtr pScreen)
+{
     ScrnInfoPtr		scrn = xf86Screens[pScreen->myNum];
     xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
 
-    if (DGAAvailable(pScreen->myNum))
-	return TRUE;
-
     xf86_config->dga_flags = 0;
     xf86_config->dga_address = 0;
     xf86_config->dga_width = 0;
diff --git a/hw/xfree86/modes/xf86EdidModes.c b/hw/xfree86/modes/xf86EdidModes.c
index 6e11f9a3d..2f80070cf 100644
--- a/hw/xfree86/modes/xf86EdidModes.c
+++ b/hw/xfree86/modes/xf86EdidModes.c
@@ -957,7 +957,7 @@ xf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC)
 
     quirks = xf86DDCDetectQuirks(scrnIndex, DDC, FALSE);
 
-    if (Monitor->widthmm <= 0 && Monitor->heightmm <= 0) {
+    if (Monitor->widthmm <= 0 || Monitor->heightmm <= 0) {
 	Monitor->widthmm = 10 * DDC->features.hsize;
 	Monitor->heightmm = 10 * DDC->features.vsize;
     }
diff --git a/hw/xfree86/modes/xf86Rotate.c b/hw/xfree86/modes/xf86Rotate.c
index 9e65c9969..5de6b0c00 100644
--- a/hw/xfree86/modes/xf86Rotate.c
+++ b/hw/xfree86/modes/xf86Rotate.c
@@ -268,13 +268,9 @@ xf86RotateBlockHandler(int screenNum, pointer blockData,
     rotation_active = xf86RotateRedisplay(pScreen);
     pScreen->BlockHandler = xf86_config->BlockHandler;
     (*pScreen->BlockHandler) (screenNum, blockData, pTimeout, pReadmask);
-    if (rotation_active) {
-	/* Re-wrap if rotation is still happening */
-	xf86_config->BlockHandler = pScreen->BlockHandler;
-	pScreen->BlockHandler = xf86RotateBlockHandler;
-    } else {
-	xf86_config->BlockHandler = NULL;
-    }
+    /* cannot avoid re-wrapping until all wrapping is audited */
+    xf86_config->BlockHandler = pScreen->BlockHandler;
+    pScreen->BlockHandler = xf86RotateBlockHandler;
 }
 
 void
diff --git a/hw/xfree86/os-support/hurd/hurd_video.c b/hw/xfree86/os-support/hurd/hurd_video.c
index b8b00c892..4a99db375 100644
--- a/hw/xfree86/os-support/hurd/hurd_video.c
+++ b/hw/xfree86/os-support/hurd/hurd_video.c
@@ -42,7 +42,7 @@
  * Video Memory Mapping section                                            
  ***************************************************************************/
 static pointer
-mapVidMem(int ScreenNum,int Flags, unsigned long Base, unsigned long Size)
+mapVidMem(int ScreenNum, unsigned long Base, unsigned long Size, int Flags)
 {
     mach_port_t device,iopl_dev;
     memory_object_t iopl_mem;
diff --git a/hw/xfree86/os-support/misc/SlowBcopy.c b/hw/xfree86/os-support/misc/SlowBcopy.c
index 8a5017e52..182a3e6ec 100644
--- a/hw/xfree86/os-support/misc/SlowBcopy.c
+++ b/hw/xfree86/os-support/misc/SlowBcopy.c
@@ -1,8 +1,15 @@
+/*******************************************************************************
+  for Alpha Linux
+*******************************************************************************/
+ 
 /* 
  *   Create a dependency that should be immune from the effect of register
  *   renaming as is commonly seen in superscalar processors.  This should
  *   insert a minimum of 100-ns delays between reads/writes at clock rates
  *   up to 100 MHz---GGL
+ *   
+ *   Slowbcopy(char *src, char *dst, int count)   
+ *   
  */ 
 
 #ifdef HAVE_XORG_CONFIG_H
@@ -47,3 +54,48 @@ xf86SlowBcopy(unsigned char *src, unsigned char *dst, int len)
     while(len--)
 	*dst++ = *src++;
 }
+
+#ifdef __alpha__
+
+#ifdef linux
+
+#define SPARSE (7)
+
+#else
+
+#define SPARSE 0
+
+#endif
+
+void
+xf86SlowBCopyFromBus(unsigned char *src, unsigned char *dst, int count)
+{
+    unsigned long addr;
+    long result;
+
+    addr = (unsigned long) src;
+    while( count ){
+	result = *(volatile int *) addr;
+	result >>= ((addr>>SPARSE) & 3) * 8;
+	*dst++ = (unsigned char) (0xffUL & result);
+	addr += 1<<SPARSE;
+	count--;
+	outb(0x80, 0x00);
+    }
+}
+  
+void
+xf86SlowBCopyToBus(unsigned char *src, unsigned char *dst, int count)
+{
+    unsigned long addr;
+
+    addr = (unsigned long) dst;
+    while(count) {
+	*(volatile unsigned int *) addr = (unsigned short)(*src) * 0x01010101;
+	src++;
+	addr += 1<<SPARSE;
+	count--;
+	outb(0x80, 0x00);
+    }
+}
+#endif
diff --git a/hw/xfree86/os-support/shared/bios_mmap.c b/hw/xfree86/os-support/shared/bios_mmap.c
index a615a1d45..40afd5b8e 100644
--- a/hw/xfree86/os-support/shared/bios_mmap.c
+++ b/hw/xfree86/os-support/shared/bios_mmap.c
@@ -131,7 +131,7 @@ xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
 		return(-1);
 	}
 
-	xf86SlowBcopy((unsigned char *)(base+Offset), Buf, Len);
+	xf86SlowBCopyFromBus((unsigned char *)(base+Offset), Buf, Len);
 
 	munmap((caddr_t)base, mlen);
 	close(fd);
diff --git a/hw/xfree86/vgahw/vgaHW.c b/hw/xfree86/vgahw/vgaHW.c
index 025dde2da..004376b75 100644
--- a/hw/xfree86/vgahw/vgaHW.c
+++ b/hw/xfree86/vgahw/vgaHW.c
@@ -793,7 +793,7 @@ vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore)
     if (hwp->FontInfo1) {
 	hwp->writeSeq(hwp, 0x02, 0x04);	/* write to plane 2 */
 	hwp->writeGr(hwp, 0x04, 0x02);	/* read plane 2 */
-	xf86SlowBcopy(hwp->FontInfo1, hwp->Base, FONT_AMOUNT);
+	slowbcopy_tobus(hwp->FontInfo1, hwp->Base, FONT_AMOUNT);
     }
 #endif
 
@@ -801,7 +801,7 @@ vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore)
     if (hwp->FontInfo2) {
 	hwp->writeSeq(hwp, 0x02, 0x08);	/* write to plane 3 */
 	hwp->writeGr(hwp, 0x04, 0x03);	/* read plane 3 */
-	xf86SlowBcopy(hwp->FontInfo2, hwp->Base, FONT_AMOUNT);
+	slowbcopy_tobus(hwp->FontInfo2, hwp->Base, FONT_AMOUNT);
     }
 #endif
 
@@ -809,10 +809,10 @@ vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore)
     if (hwp->TextInfo) {
 	hwp->writeSeq(hwp, 0x02, 0x01);	/* write to plane 0 */
 	hwp->writeGr(hwp, 0x04, 0x00);	/* read plane 0 */
-	xf86SlowBcopy(hwp->TextInfo, hwp->Base, TEXT_AMOUNT);
+	slowbcopy_tobus(hwp->TextInfo, hwp->Base, TEXT_AMOUNT);
 	hwp->writeSeq(hwp, 0x02, 0x02);	/* write to plane 1 */
 	hwp->writeGr(hwp, 0x04, 0x01);	/* read plane 1 */
-	xf86SlowBcopy((unsigned char *)hwp->TextInfo + TEXT_AMOUNT,
+	slowbcopy_tobus((unsigned char *)hwp->TextInfo + TEXT_AMOUNT,
 			hwp->Base, TEXT_AMOUNT);
     }
 #endif
@@ -971,24 +971,24 @@ vgaHWSaveFonts(ScrnInfoPtr scrninfp, vgaRegPtr save)
     if (hwp->FontInfo1 || (hwp->FontInfo1 = xalloc(FONT_AMOUNT))) {
 	hwp->writeSeq(hwp, 0x02, 0x04);	/* write to plane 2 */
 	hwp->writeGr(hwp, 0x04, 0x02);	/* read plane 2 */
-	xf86SlowBcopy(hwp->Base, hwp->FontInfo1, FONT_AMOUNT);
+	slowbcopy_frombus(hwp->Base, hwp->FontInfo1, FONT_AMOUNT);
     }
 #endif /* SAVE_FONT1 */
 #if SAVE_FONT2
     if (hwp->FontInfo2 || (hwp->FontInfo2 = xalloc(FONT_AMOUNT))) {
 	hwp->writeSeq(hwp, 0x02, 0x08);	/* write to plane 3 */
 	hwp->writeGr(hwp, 0x04, 0x03);	/* read plane 3 */
-	xf86SlowBcopy(hwp->Base, hwp->FontInfo2, FONT_AMOUNT);
+	slowbcopy_frombus(hwp->Base, hwp->FontInfo2, FONT_AMOUNT);
     }
 #endif /* SAVE_FONT2 */
 #if SAVE_TEXT
     if (hwp->TextInfo || (hwp->TextInfo = xalloc(2 * TEXT_AMOUNT))) {
 	hwp->writeSeq(hwp, 0x02, 0x01);	/* write to plane 0 */
 	hwp->writeGr(hwp, 0x04, 0x00);	/* read plane 0 */
-	xf86SlowBcopy(hwp->Base, hwp->TextInfo, TEXT_AMOUNT);
+	slowbcopy_frombus(hwp->Base, hwp->TextInfo, TEXT_AMOUNT);
 	hwp->writeSeq(hwp, 0x02, 0x02);	/* write to plane 1 */
 	hwp->writeGr(hwp, 0x04, 0x01);	/* read plane 1 */
-	xf86SlowBcopy(hwp->Base,
+	slowbcopy_frombus(hwp->Base,
 		(unsigned char *)hwp->TextInfo + TEXT_AMOUNT, TEXT_AMOUNT);
     }
 #endif /* SAVE_TEXT */
diff --git a/include/colormap.h b/include/colormap.h
index a3467c93f..de48ce8d8 100644
--- a/include/colormap.h
+++ b/include/colormap.h
@@ -179,4 +179,9 @@ extern _X_EXPORT int IsMapInstalled(
     Colormap /*map*/,
     WindowPtr /*pWin*/);
 
+extern _X_EXPORT Bool ResizeVisualArray(
+    ScreenPtr /* pScreen */,
+    int /* new_vis_count */,
+    DepthPtr /* depth */);
+
 #endif /* CMAP_H */
diff --git a/render/glyph.c b/render/glyph.c
index 7c044aada..7fcdfd9d1 100644
--- a/render/glyph.c
+++ b/render/glyph.c
@@ -272,13 +272,32 @@ CheckDuplicates (GlyphHashPtr hash, char *where)
 #define DuplicateRef(a,b)
 #endif
 
+static void
+FreeGlyphPicture(GlyphPtr glyph)
+{
+    PictureScreenPtr ps;
+    int i;
+
+    for (i = 0; i < screenInfo.numScreens; i++)
+    {
+        ScreenPtr pScreen = screenInfo.screens[i];
+
+        if (GlyphPicture(glyph)[i])
+            FreePicture ((pointer) GlyphPicture (glyph)[i], 0);
+
+        ps = GetPictureScreenIfSet (pScreen);
+        if (ps)
+            (*ps->UnrealizeGlyph) (pScreen, glyph);
+    }
+}
+
+
 void
 FreeGlyph (GlyphPtr glyph, int format)
 {
     CheckDuplicates (&globalGlyphs[format], "FreeGlyph");
     if (--glyph->refcnt == 0)
     {
-	PictureScreenPtr ps;
 	GlyphRefPtr      gr;
 	int	         i;
 	int	         first;
@@ -305,17 +324,7 @@ FreeGlyph (GlyphPtr glyph, int format)
 	    globalGlyphs[format].tableEntries--;
 	}
 
-	for (i = 0; i < screenInfo.numScreens; i++)
-	{
-	    ScreenPtr pScreen = screenInfo.screens[i];
-
-	    FreePicture ((pointer) GlyphPicture (glyph)[i], 0);
-
-	    ps = GetPictureScreenIfSet (pScreen);
-	    if (ps)
-		(*ps->UnrealizeGlyph) (pScreen, glyph);
-	}
-	
+	FreeGlyphPicture(glyph);
 	FreeGlyphPrivates(glyph);
 	xfree (glyph);
     }
@@ -334,15 +343,7 @@ AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id)
 		       TRUE, glyph->sha1);
     if (gr->glyph && gr->glyph != DeletedGlyph && gr->glyph != glyph)
     {
-	PictureScreenPtr ps;
-	int              i;
-	
-	for (i = 0; i < screenInfo.numScreens; i++)
-	{
-	    ps = GetPictureScreenIfSet (screenInfo.screens[i]);
-	    if (ps)
-		(*ps->UnrealizeGlyph) (screenInfo.screens[i], glyph);
-	}
+	FreeGlyphPicture(glyph);
 	FreeGlyphPrivates(glyph);
 	xfree (glyph);
 	glyph = gr->glyph;
@@ -414,6 +415,7 @@ AllocateGlyph (xGlyphInfo *gi, int fdepth)
 
     for (i = 0; i < screenInfo.numScreens; i++)
     {
+	GlyphPicture(glyph)[i] = NULL;
 	ps = GetPictureScreenIfSet (screenInfo.screens[i]);
 
 	if (ps)
@@ -721,32 +723,35 @@ miGlyphs (CARD8		op,
 	    glyph = *glyphs++;
 	    pPicture = GlyphPicture (glyph)[pScreen->myNum];
 
-	    if (maskFormat)
-	    {
-		CompositePicture (PictOpAdd,
-				  pPicture,
-				  None,
-				  pMask,
-				  0, 0,
-				  0, 0,
-				  x - glyph->info.x,
-				  y - glyph->info.y,
-				  glyph->info.width,
-				  glyph->info.height);
-	    }
-	    else
+	    if (pPicture)
 	    {
-		CompositePicture (op,
-				  pSrc,
-				  pPicture,
-				  pDst,
-				  xSrc + (x - glyph->info.x) - xDst,
-				  ySrc + (y - glyph->info.y) - yDst,
-				  0, 0,
-				  x - glyph->info.x,
-				  y - glyph->info.y,
-				  glyph->info.width,
-				  glyph->info.height);
+		if (maskFormat)
+		{
+			CompositePicture (PictOpAdd,
+					  pPicture,
+					  None,
+					  pMask,
+					  0, 0,
+					  0, 0,
+					  x - glyph->info.x,
+					  y - glyph->info.y,
+					  glyph->info.width,
+					  glyph->info.height);
+		}
+		else
+		{
+		    CompositePicture (op,
+				      pSrc,
+				      pPicture,
+				      pDst,
+				      xSrc + (x - glyph->info.x) - xDst,
+				      ySrc + (y - glyph->info.y) - yDst,
+				      0, 0,
+				      x - glyph->info.x,
+				      y - glyph->info.y,
+				      glyph->info.width,
+				      glyph->info.height);
+		}
 	    }
 
 	    x += glyph->info.xOff;
diff --git a/render/render.c b/render/render.c
index a3067665e..a32d797a7 100644
--- a/render/render.c
+++ b/render/render.c
@@ -1043,7 +1043,7 @@ ProcRenderAddGlyphs (ClientPtr client)
     CARD32	    *gids;
     xGlyphInfo	    *gi;
     CARD8	    *bits;
-    int		    size;
+    unsigned int    size;
     int		    err;
     int		    i, screen;
     PicturePtr	    pSrc = NULL, pDst = NULL;
@@ -1131,6 +1131,10 @@ ProcRenderAddGlyphs (ClientPtr client)
 		ScreenPtr   pScreen;
 		int	    error;
 
+		/* Skip work if it's invisibly small anyway */
+		if (!width || !height)
+		    break;
+
 		pScreen = screenInfo.screens[screen];
 		pSrcPix = GetScratchPixmapHeader (pScreen,
 						  width, height,