25 files changed, 2876 insertions, 0 deletions

diff --git a/miext/shadow/Makefile.am b/miext/shadow/Makefile.am
new file mode 100644
index 0000000..30f7bda
--- /dev/null
+++ b/miext/shadow/Makefile.am
@@ -0,0 +1,32 @@
+noinst_LTLIBRARIES = libshadow.la
+
+AM_CFLAGS = $(DIX_CFLAGS)
+
+if XORG
+sdk_HEADERS = shadow.h
+endif
+
+libshadow_la_SOURCES =		\
+	shadow.c		\
+	shadow.h		\
+	shalloc.c		\
+	shpacked.c		\
+	shplanar8.c		\
+	shplanar.c		\
+	shrot16pack_180.c	\
+	shrot16pack_270.c	\
+	shrot16pack_270YX.c	\
+	shrot16pack_90.c	\
+	shrot16pack_90YX.c	\
+	shrot16pack.c		\
+	shrot32pack_180.c	\
+	shrot32pack_270.c	\
+	shrot32pack_90.c	\
+	shrot32pack.c		\
+	shrot8pack_180.c	\
+	shrot8pack_270.c	\
+	shrot8pack_90.c		\
+	shrot8pack.c		\
+	shrotate.c		\
+	shrotpack.h		\
+	shrotpackYX.h
diff --git a/miext/shadow/Makefile.in b/miext/shadow/Makefile.in
new file mode 100644
index 0000000..1b5caac
--- /dev/null
+++ b/miext/shadow/Makefile.in
@@ -0,0 +1,797 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
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+transform = $(program_transform_name)
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+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+subdir = miext/shadow
+DIST_COMMON = $(am__sdk_HEADERS_DIST) $(srcdir)/Makefile.am \
+	$(srcdir)/Makefile.in
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+am__aclocal_m4_deps = $(top_srcdir)/m4/ac_define_dir.m4 \
+	$(top_srcdir)/m4/ax_tls.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/include/do-not-use-config.h \
+	$(top_builddir)/include/xorg-server.h \
+	$(top_builddir)/include/dix-config.h \
+	$(top_builddir)/include/xorg-config.h \
+	$(top_builddir)/include/xkb-config.h \
+	$(top_builddir)/include/xwin-config.h \
+	$(top_builddir)/include/kdrive-config.h \
+	$(top_builddir)/include/version-config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+LTLIBRARIES = $(noinst_LTLIBRARIES)
+libshadow_la_LIBADD =
+am_libshadow_la_OBJECTS = shadow.lo shalloc.lo shpacked.lo \
+	shplanar8.lo shplanar.lo shrot16pack_180.lo shrot16pack_270.lo \
+	shrot16pack_270YX.lo shrot16pack_90.lo shrot16pack_90YX.lo \
+	shrot16pack.lo shrot32pack_180.lo shrot32pack_270.lo \
+	shrot32pack_90.lo shrot32pack.lo shrot8pack_180.lo \
+	shrot8pack_270.lo shrot8pack_90.lo shrot8pack.lo shrotate.lo
+libshadow_la_OBJECTS = $(am_libshadow_la_OBJECTS)
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+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_$(V))
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+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
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+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
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+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
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+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
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+	shadow.h		\
+	shalloc.c		\
+	shpacked.c		\
+	shplanar8.c		\
+	shplanar.c		\
+	shrot16pack_180.c	\
+	shrot16pack_270.c	\
+	shrot16pack_270YX.c	\
+	shrot16pack_90.c	\
+	shrot16pack_90YX.c	\
+	shrot16pack.c		\
+	shrot32pack_180.c	\
+	shrot32pack_270.c	\
+	shrot32pack_90.c	\
+	shrot32pack.c		\
+	shrot8pack_180.c	\
+	shrot8pack_270.c	\
+	shrot8pack_90.c		\
+	shrot8pack.c		\
+	shrotate.c		\
+	shrotpack.h		\
+	shrotpackYX.h
+
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign miext/shadow/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign miext/shadow/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+	esac;
+
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+libshadow.la: $(libshadow_la_OBJECTS) $(libshadow_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK)  $(libshadow_la_OBJECTS) $(libshadow_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shadow.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shalloc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shpacked.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shplanar.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shplanar8.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot16pack.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot16pack_180.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot16pack_270.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot16pack_270YX.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot16pack_90.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot16pack_90YX.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot32pack.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot32pack_180.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot32pack_270.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot32pack_90.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot8pack.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot8pack_180.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot8pack_270.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrot8pack_90.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shrotate.Plo@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_FALSE@	$(AM_V_CC) @AM_BACKSLASH@
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+
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+
+.c.lo:
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@am__fastdepCC_FALSE@	$(AM_V_CC) @AM_BACKSLASH@
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+@am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-sdkHEADERS: $(sdk_HEADERS)
+	@$(NORMAL_INSTALL)
+	test -z "$(sdkdir)" || $(MKDIR_P) "$(DESTDIR)$(sdkdir)"
+	@list='$(sdk_HEADERS)'; test -n "$(sdkdir)" || list=; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_HEADER) $$files '$(DESTDIR)$(sdkdir)'"; \
+	  $(INSTALL_HEADER) $$files "$(DESTDIR)$(sdkdir)" || exit $$?; \
+	done
+
+uninstall-sdkHEADERS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(sdk_HEADERS)'; test -n "$(sdkdir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	test -n "$$files" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(sdkdir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(sdkdir)" && rm -f $$files
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(HEADERS)
+installdirs:
+	for dir in "$(DESTDIR)$(sdkdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
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+info: info-am
+
+info-am:
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+install-data-am: install-sdkHEADERS
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+install-dvi: install-dvi-am
+
+install-dvi-am:
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+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
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+install-ps-am:
+
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+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
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+ps: ps-am
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+ps-am:
+
+uninstall-am: uninstall-sdkHEADERS
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-sdkHEADERS install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags uninstall \
+	uninstall-am uninstall-sdkHEADERS
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/miext/shadow/shadow.c b/miext/shadow/shadow.c
new file mode 100644
index 0000000..cb1b299
--- /dev/null
+++ b/miext/shadow/shadow.c
@@ -0,0 +1,252 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    "dixfontstr.h"
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+
+static DevPrivateKeyRec shadowScrPrivateKeyRec;
+#define shadowScrPrivateKey (&shadowScrPrivateKeyRec)
+
+#define wrap(priv, real, mem) {\
+    priv->mem = real->mem; \
+    real->mem = shadow##mem; \
+}
+
+#define unwrap(priv, real, mem) {\
+    real->mem = priv->mem; \
+}
+
+static void
+shadowRedisplay(ScreenPtr pScreen)
+{
+    shadowBuf(pScreen);
+    RegionPtr pRegion;
+
+    if (!pBuf || !pBuf->pDamage || !pBuf->update)
+	return;
+    pRegion = DamageRegion(pBuf->pDamage);
+    if (RegionNotEmpty(pRegion)) {
+	(*pBuf->update)(pScreen, pBuf);
+	DamageEmpty(pBuf->pDamage);
+    }
+}
+
+static void
+shadowBlockHandler(pointer data, OSTimePtr pTimeout, pointer pRead)
+{
+    ScreenPtr pScreen = (ScreenPtr) data;
+
+    shadowRedisplay(pScreen);
+}
+
+static void
+shadowWakeupHandler(pointer data, int i, pointer LastSelectMask)
+{
+}
+
+static void
+shadowGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
+	       unsigned int format, unsigned long planeMask, char *pdstLine)
+{
+    ScreenPtr pScreen = pDrawable->pScreen;
+    shadowBuf(pScreen);
+
+    /* Many apps use GetImage to sync with the visable frame buffer */
+    if (pDrawable->type == DRAWABLE_WINDOW)
+	shadowRedisplay(pScreen);
+    unwrap(pBuf, pScreen, GetImage);
+    pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
+    wrap(pBuf, pScreen, GetImage);
+}
+
+#define BACKWARDS_COMPATIBILITY
+
+static Bool
+shadowCloseScreen(int i, ScreenPtr pScreen)
+{
+    shadowBuf(pScreen);
+
+    unwrap(pBuf, pScreen, GetImage);
+    unwrap(pBuf, pScreen, CloseScreen);
+    shadowRemove(pScreen, pBuf->pPixmap);
+    DamageDestroy(pBuf->pDamage);
+#ifdef BACKWARDS_COMPATIBILITY
+    RegionUninit(&pBuf->damage); /* bc */
+#endif
+    if (pBuf->pPixmap)
+	pScreen->DestroyPixmap(pBuf->pPixmap);
+    free(pBuf);
+    return pScreen->CloseScreen(i, pScreen);
+}
+
+#ifdef BACKWARDS_COMPATIBILITY
+static void
+shadowReportFunc(DamagePtr pDamage, RegionPtr pRegion, void *closure)
+{
+    ScreenPtr pScreen = closure;
+    shadowBufPtr pBuf = (shadowBufPtr)
+	dixLookupPrivate(&pScreen->devPrivates, shadowScrPrivateKey);
+
+    /* Register the damaged region, use DamageReportNone below when we
+     * want to break BC below... */
+    RegionUnion(&pDamage->damage, &pDamage->damage, pRegion);
+
+    /*
+     * BC hack.  In 7.0 and earlier several drivers would inspect the
+     * 'damage' member directly, so we have to keep it existing.
+     */
+    RegionCopy(&pBuf->damage, pRegion);
+}
+#endif
+
+Bool
+shadowSetup(ScreenPtr pScreen)
+{
+    shadowBufPtr pBuf;
+
+    if (!dixRegisterPrivateKey(&shadowScrPrivateKeyRec, PRIVATE_SCREEN, 0))
+	return FALSE;
+
+    if (!DamageSetup(pScreen))
+	return FALSE;
+
+    pBuf = malloc(sizeof(shadowBufRec));
+    if (!pBuf)
+	return FALSE;
+#ifdef BACKWARDS_COMPATIBILITY
+    pBuf->pDamage = DamageCreate((DamageReportFunc)shadowReportFunc, 
+		    		 (DamageDestroyFunc)NULL,
+				 DamageReportRawRegion,
+				 TRUE, pScreen, pScreen);
+#else
+    pBuf->pDamage = DamageCreate((DamageReportFunc)NULL, 
+		    		 (DamageDestroyFunc)NULL,
+				 DamageReportNone,
+				 TRUE, pScreen, pScreen);
+#endif
+    if (!pBuf->pDamage) {
+	free(pBuf);
+	return FALSE;
+    }
+
+    wrap(pBuf, pScreen, CloseScreen);
+    wrap(pBuf, pScreen, GetImage);
+    pBuf->update = 0;
+    pBuf->window = 0;
+    pBuf->pPixmap = 0;
+    pBuf->closure = 0;
+    pBuf->randr = 0;
+#ifdef BACKWARDS_COMPATIBILITY
+    RegionNull(&pBuf->damage); /* bc */
+#endif
+
+    dixSetPrivate(&pScreen->devPrivates, shadowScrPrivateKey, pBuf);
+    return TRUE;
+}
+
+Bool
+shadowAdd(ScreenPtr pScreen, PixmapPtr pPixmap, ShadowUpdateProc update,
+	  ShadowWindowProc window, int randr, void *closure)
+{
+    shadowBuf(pScreen);
+
+    if (!RegisterBlockAndWakeupHandlers(shadowBlockHandler, shadowWakeupHandler,
+					(pointer)pScreen))
+	return FALSE;
+
+    /*
+     * Map simple rotation values to bitmasks; fortunately,
+     * these are all unique
+     */
+    switch (randr) {
+    case 0:
+	randr = SHADOW_ROTATE_0;
+	break;
+    case 90:
+	randr = SHADOW_ROTATE_90;
+	break;
+    case 180:
+	randr = SHADOW_ROTATE_180;
+	break;
+    case 270:
+	randr = SHADOW_ROTATE_270;
+	break;
+    }
+    pBuf->update = update;
+    pBuf->window = window;
+    pBuf->randr = randr;
+    pBuf->closure = closure;
+    pBuf->pPixmap = pPixmap;
+    DamageRegister(&pPixmap->drawable, pBuf->pDamage);
+    return TRUE;
+}
+
+void
+shadowRemove(ScreenPtr pScreen, PixmapPtr pPixmap)
+{
+    shadowBuf(pScreen);
+
+    if (pBuf->pPixmap) {
+	DamageUnregister(&pBuf->pPixmap->drawable, pBuf->pDamage);
+	pBuf->update = 0;
+	pBuf->window = 0;
+	pBuf->randr = 0;
+	pBuf->closure = 0;
+	pBuf->pPixmap = 0;
+    }
+
+    RemoveBlockAndWakeupHandlers(shadowBlockHandler, shadowWakeupHandler,
+				 (pointer) pScreen);
+}
+
+Bool
+shadowInit(ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window)
+{
+    PixmapPtr pPixmap;
+    
+    pPixmap = pScreen->CreatePixmap(pScreen, pScreen->width, pScreen->height,
+				    pScreen->rootDepth, 0);
+    if (!pPixmap)
+	return FALSE;
+    
+    if (!shadowSetup(pScreen)) {
+	pScreen->DestroyPixmap(pPixmap);
+	return FALSE;
+    }
+
+    shadowAdd(pScreen, pPixmap, update, window, SHADOW_ROTATE_0, 0);
+
+    return TRUE;
+}
diff --git a/miext/shadow/shadow.h b/miext/shadow/shadow.h
new file mode 100644
index 0000000..f447305
--- /dev/null
+++ b/miext/shadow/shadow.h
@@ -0,0 +1,181 @@
+/*
+ *
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _SHADOW_H_
+#define _SHADOW_H_
+
+#include "scrnintstr.h"
+
+#include "picturestr.h"
+
+#include "damage.h"
+#include "damagestr.h"
+typedef struct _shadowBuf   *shadowBufPtr;
+
+typedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
+				  shadowBufPtr pBuf);
+
+#define SHADOW_WINDOW_RELOCATE 1
+#define SHADOW_WINDOW_READ 2
+#define SHADOW_WINDOW_WRITE 4
+
+typedef void *(*ShadowWindowProc) (ScreenPtr	pScreen,
+				   CARD32	row,
+				   CARD32	offset,
+				   int		mode,
+				   CARD32	*size,
+				   void		*closure);
+
+/* BC hack: do not move the damage member.  see shadow.c for explanation. */
+typedef struct _shadowBuf {
+    DamagePtr           pDamage;
+    ShadowUpdateProc	update;
+    ShadowWindowProc	window;
+    RegionRec		damage;
+    PixmapPtr		pPixmap;
+    void		*closure;
+    int			randr;
+
+    /* screen wrappers */
+    GetImageProcPtr     GetImage;
+    CloseScreenProcPtr  CloseScreen;
+} shadowBufRec;
+
+/* Match defines from randr extension */
+#define SHADOW_ROTATE_0	    1
+#define SHADOW_ROTATE_90    2
+#define SHADOW_ROTATE_180   4
+#define SHADOW_ROTATE_270   8
+#define SHADOW_ROTATE_ALL   (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
+			     SHADOW_ROTATE_180|SHADOW_ROTATE_270)
+#define SHADOW_REFLECT_X    16
+#define SHADOW_REFLECT_Y    32
+#define SHADOW_REFLECT_ALL  (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
+
+extern _X_EXPORT DevPrivateKey shadowScrPrivateKey;
+
+#define shadowGetBuf(pScr) ((shadowBufPtr) \
+    dixLookupPrivate(&(pScr)->devPrivates, shadowScrPrivateKey))
+#define shadowBuf(pScr)            shadowBufPtr pBuf = shadowGetBuf(pScr)
+#define shadowDamage(pBuf)  DamageRegion(pBuf->pDamage)    
+
+extern _X_EXPORT Bool
+shadowSetup (ScreenPtr pScreen);
+
+extern _X_EXPORT Bool
+shadowAdd (ScreenPtr	    pScreen,
+	   PixmapPtr	    pPixmap,
+	   ShadowUpdateProc update,
+	   ShadowWindowProc window,
+	   int		    randr,
+	   void		    *closure);
+
+extern _X_EXPORT void
+shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
+
+extern _X_EXPORT Bool
+shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
+
+extern _X_EXPORT void *
+shadowAlloc (int width, int height, int bpp);
+
+extern _X_EXPORT void
+shadowUpdatePacked (ScreenPtr	    pScreen,
+		    shadowBufPtr    pBuf);
+
+extern _X_EXPORT void
+shadowUpdatePlanar4 (ScreenPtr	    pScreen,
+		     shadowBufPtr   pBuf);
+
+extern _X_EXPORT void
+shadowUpdatePlanar4x8 (ScreenPtr    pScreen,
+		       shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotatePacked (ScreenPtr    pScreen,
+			  shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate8_90 (ScreenPtr    pScreen,
+			shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate16_90 (ScreenPtr    pScreen,
+			 shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate16_90YX (ScreenPtr    pScreen,
+			   shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate32_90 (ScreenPtr    pScreen,
+			 shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate8_180 (ScreenPtr    pScreen,
+			 shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate16_180 (ScreenPtr    pScreen,
+			  shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate32_180 (ScreenPtr    pScreen,
+			  shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate8_270 (ScreenPtr    pScreen,
+			 shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate16_270 (ScreenPtr    pScreen,
+			  shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate16_270YX (ScreenPtr    pScreen,
+			    shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate32_270 (ScreenPtr    pScreen,
+			  shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate8 (ScreenPtr    pScreen,
+		     shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate16 (ScreenPtr    pScreen,
+		      shadowBufPtr pBuf);
+
+extern _X_EXPORT void
+shadowUpdateRotate32 (ScreenPtr    pScreen,
+		      shadowBufPtr pBuf);
+
+typedef void (* shadowUpdateProc)(ScreenPtr, shadowBufPtr);
+
+extern _X_EXPORT shadowUpdateProc shadowUpdatePackedWeak(void);
+extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4Weak(void);
+extern _X_EXPORT shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
+extern _X_EXPORT shadowUpdateProc shadowUpdateRotatePackedWeak(void);
+
+#endif /* _SHADOW_H_ */
diff --git a/miext/shadow/shalloc.c b/miext/shadow/shalloc.c
new file mode 100644
index 0000000..f57cb52
--- /dev/null
+++ b/miext/shadow/shalloc.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    <X11/fonts/font.h>
+#include    "dixfontstr.h"
+#include    <X11/fonts/fontstruct.h>
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+
+void *
+shadowAlloc (int width, int height, int bpp)
+{
+    int	    stride;
+    void    *fb;
+
+    /* Cant use PixmapBytePad -- the structure is probably not initialized yet */
+    stride = BitmapBytePad (width * bpp);
+    fb = malloc(stride * height);
+    return fb;
+}
diff --git a/miext/shadow/shpacked.c b/miext/shadow/shpacked.c
new file mode 100644
index 0000000..06606bc
--- /dev/null
+++ b/miext/shadow/shpacked.c
@@ -0,0 +1,118 @@
+/*
+ *
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    <X11/fonts/font.h>
+#include    "dixfontstr.h"
+#include    <X11/fonts/fontstruct.h>
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+#include    "fb.h"
+
+void
+shadowUpdatePacked (ScreenPtr	    pScreen,
+		    shadowBufPtr    pBuf)
+{
+    RegionPtr	damage = shadowDamage (pBuf);
+    PixmapPtr	pShadow = pBuf->pPixmap;
+    int		nbox = RegionNumRects (damage);
+    BoxPtr	pbox = RegionRects (damage);
+    FbBits	*shaBase, *shaLine, *sha;
+    FbStride	shaStride;
+    int		scrBase, scrLine, scr;
+    int		shaBpp;
+    int		shaXoff, shaYoff; /* XXX assumed to be zero */
+    int		x, y, w, h, width;
+    int         i;
+    FbBits	*winBase = NULL, *win;
+    CARD32      winSize;
+
+    fbGetDrawable (&pShadow->drawable, shaBase, shaStride, shaBpp, shaXoff, shaYoff);
+    while (nbox--)
+    {
+	x = pbox->x1 * shaBpp;
+	y = pbox->y1;
+	w = (pbox->x2 - pbox->x1) * shaBpp;
+	h = pbox->y2 - pbox->y1;
+
+	scrLine = (x >> FB_SHIFT);
+	shaLine = shaBase + y * shaStride + (x >> FB_SHIFT);
+				   
+	x &= FB_MASK;
+	w = (w + x + FB_MASK) >> FB_SHIFT;
+	
+	while (h--)
+	{
+	    winSize = 0;
+	    scrBase = 0;
+	    width = w;
+	    scr = scrLine;
+	    sha = shaLine;
+	    while (width) {
+		/* how much remains in this window */
+		i = scrBase + winSize - scr;
+		if (i <= 0 || scr < scrBase)
+		{
+		    winBase = (FbBits *) (*pBuf->window) (pScreen,
+							  y,
+							  scr * sizeof (FbBits),
+							  SHADOW_WINDOW_WRITE,
+							  &winSize,
+							  pBuf->closure);
+		    if(!winBase)
+			return;
+		    scrBase = scr;
+		    winSize /= sizeof (FbBits);
+		    i = winSize;
+		}
+		win = winBase + (scr - scrBase);
+		if (i > width)
+		    i = width;
+		width -= i;
+		scr += i;
+#define PickBit(a,i)	(((a) >> (i)) & 1)
+		memcpy(win, sha, i * sizeof(FbBits));
+		sha += i;
+	    }
+	    shaLine += shaStride;
+	    y++;
+	}
+	pbox++;
+    }
+}
+
+shadowUpdateProc
+shadowUpdatePackedWeak(void) {
+    return shadowUpdatePacked;
+}
diff --git a/miext/shadow/shplanar.c b/miext/shadow/shplanar.c
new file mode 100644
index 0000000..9ca3f3f
--- /dev/null
+++ b/miext/shadow/shplanar.c
@@ -0,0 +1,180 @@
+/*
+ *
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    <X11/fonts/font.h>
+#include    "dixfontstr.h"
+#include    <X11/fonts/fontstruct.h>
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+#include    "fb.h"
+
+/*
+ * 32 4-bit pixels per write
+ */
+
+#define PL_SHIFT    7	    
+#define PL_UNIT	    (1 << PL_SHIFT)
+#define PL_MASK	    (PL_UNIT - 1)
+
+/*
+ *  32->8 conversion:
+ *
+ *      7 6 5 4 3 2 1 0
+ *      A B C D E F G H
+ *
+ *      3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
+ *      1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ * m    . . . H . . . G . . . F . . . E . . . D . . . C . . . B . . . A
+ * m1   G . . . F . . . E . . . D . . . C . . . B . . . A . . . . . . .	    m << (7 - (p))
+ * m2   . H . . . G . . . F . . . E . . . D . . . C . . . B . . . A . .	    (m >> (p)) << 2
+ * m3   G               E               C               A                   m1 & 0x80808080
+ * m4     H               F               D               B                 m2 & 0x40404040
+ * m5   G H             E F             C D             A B                 m3 | m4
+ * m6   G H             E F             C D     G H     A B     E F         m5 | (m5 >> 20)
+ * m7   G H             E F             C D     G H     A B C D E F G H     m6 | (m6 >> 10)
+ */
+
+#if 0
+#define GetBits(p,o,d) {\
+    m = sha[o]; \
+    m1 = m << (7 - (p)); \
+    m2 = (m >> (p)) << 2; \
+    m3 = m1 & 0x80808080; \
+    m4 = m2 & 0x40404040; \
+    m5 = m3 | m4; \
+    m6 = m5 | (m5 >> 20); \
+    d = m6 | (m6 >> 10); \
+}
+#else
+#define GetBits(p,o,d) {\
+    m = sha[o]; \
+    m5 = ((m << (7 - (p))) & 0x80808080) | (((m >> (p)) << 2) & 0x40404040); \
+    m6 = m5 | (m5 >> 20); \
+    d = m6 | (m6 >> 10); \
+}
+#endif
+
+void
+shadowUpdatePlanar4 (ScreenPtr	    pScreen,
+		     shadowBufPtr   pBuf)
+{
+    RegionPtr	damage = shadowDamage (pBuf);
+    PixmapPtr	pShadow = pBuf->pPixmap;
+    int		nbox = RegionNumRects (damage);
+    BoxPtr	pbox = RegionRects (damage);
+    CARD32	*shaBase, *shaLine, *sha;
+    FbStride	shaStride;
+    int		scrBase, scrLine, scr;
+    int		shaBpp;
+    int		shaXoff, shaYoff;   /* XXX assumed to be zero */
+    int		x, y, w, h, width;
+    int         i;
+    CARD32	*winBase = NULL, *win;
+    CARD32	winSize;
+    int		plane;
+    CARD32	m,m5,m6;
+    CARD8	s1, s2, s3, s4;
+
+    fbGetStipDrawable (&pShadow->drawable, shaBase, shaStride, shaBpp, shaXoff, shaYoff);
+    while (nbox--)
+    {
+	x = (pbox->x1) * shaBpp;
+	y = (pbox->y1);
+	w = (pbox->x2 - pbox->x1) * shaBpp;
+	h = pbox->y2 - pbox->y1;
+
+	w = (w + (x & PL_MASK) + PL_MASK) >> PL_SHIFT;
+	x &= ~PL_MASK;
+	
+	scrLine = (x >> PL_SHIFT);
+	shaLine = shaBase + y * shaStride + (x >> FB_SHIFT);
+	
+	while (h--)
+	{
+	    for (plane = 0; plane < 4; plane++)
+	    {
+		width = w;
+		scr = scrLine;
+		sha = shaLine;
+		winSize = 0;
+		scrBase = 0;
+		while (width) {
+		    /* how much remains in this window */
+		    i = scrBase + winSize - scr;
+		    if (i <= 0 || scr < scrBase)
+		    {
+			winBase = (CARD32 *) (*pBuf->window) (pScreen,
+							      y,
+							      (scr << 4) | (plane),
+							      SHADOW_WINDOW_WRITE,
+							      &winSize,
+							      pBuf->closure);
+			if(!winBase)
+			return;
+			winSize >>= 2;
+			scrBase = scr;
+			i = winSize;
+		    }
+		    win = winBase + (scr - scrBase);
+		    if (i > width)
+		    i = width;
+		    width -= i;
+		    scr += i;
+		   
+		    while (i--)
+		    {
+			GetBits(plane,0,s1);
+			GetBits(plane,1,s2);
+			GetBits(plane,2,s3);
+			GetBits(plane,3,s4);
+			*win++ = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24);
+			sha += 4;
+		    }
+		}
+	    }
+	    shaLine += shaStride;
+	    y++;
+	}
+	pbox++;
+    }
+}
+
+shadowUpdateProc shadowUpdatePlanar4Weak(void) {
+    return shadowUpdatePlanar4;
+}
+
+shadowUpdateProc shadowUpdatePlanar4x8Weak(void) {
+    return shadowUpdatePlanar4x8;
+}
diff --git a/miext/shadow/shplanar8.c b/miext/shadow/shplanar8.c
new file mode 100644
index 0000000..f8b255d
--- /dev/null
+++ b/miext/shadow/shplanar8.c
@@ -0,0 +1,175 @@
+/*
+ *
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    <X11/fonts/font.h>
+#include    "dixfontstr.h"
+#include    <X11/fonts/fontstruct.h>
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+#include    "fb.h"
+
+/*
+ * Expose 8bpp depth 4
+ */
+
+/*
+ *  32->8 conversion:
+ *
+ *      7 6 5 4 3 2 1 0
+ *      A B C D E F G H
+ *
+ *      3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
+ *      1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+ * m1   D x x x x x x x C x x x x x x x B x x x x x x x A x x x x x x x     sha[0] << (7-(p))
+ * m2   x x x x H x x x x x x x G x x x x x x x F x x x x x x x E x x x     sha[1] << (3-(p))
+ * m3   D               C               B               A                   m1 & 0x80808080
+ * m4           H               G               F               E           m2 & 0x08080808
+ * m5   D       H       C       G       B       F       A       E	    m3 | m4
+ * m6                     D       H       C       G       B       F         m5 >> 9
+ * m7   D       H       C D     G H     B C     F G     A B     E F         m5 | m6
+ * m8                                       D       H       C D     G H     m7 >> 18
+ * m9   D       H       C D     G H     B C D   F G H   A B C D E F G H     m7 | m8
+ */
+
+#define PL_SHIFT    8
+#define PL_UNIT	    (1 << PL_SHIFT)
+#define PL_MASK	    (PL_UNIT - 1)
+
+#if 0
+#define GetBits(p,o,d) { \
+    CARD32	m1,m2,m3,m4,m5,m6,m7,m8; \
+    m1 = sha[o] << (7 - (p)); \
+    m2 = sha[(o)+1] << (3 - (p)); \
+    m3 = m1 & 0x80808080; \
+    m4 = m2 & 0x08080808; \
+    m5 = m3 | m4; \
+    m6 = m5 >> 9; \
+    m7 = m5 | m6; \
+    m8 = m7 >> 18; \
+    d = m7 | m8; \
+}
+#else
+#define GetBits(p,o,d) { \
+    CARD32	m5,m7; \
+    m5 = ((sha[o] << (7 - (p))) & 0x80808080) | ((sha[(o)+1] << (3 - (p))) & 0x08080808); \
+    m7 = m5 | (m5 >> 9); \
+    d = m7 | (m7 >> 18); \
+}
+#endif
+
+void
+shadowUpdatePlanar4x8 (ScreenPtr	pScreen,
+		       shadowBufPtr	pBuf)
+{
+    RegionPtr	damage = shadowDamage (pBuf);
+    PixmapPtr	pShadow = pBuf->pPixmap;
+    int		nbox = RegionNumRects (damage);
+    BoxPtr	pbox = RegionRects (damage);
+    CARD32	*shaBase, *shaLine, *sha;
+    CARD8	s1, s2, s3, s4;
+    FbStride	shaStride;
+    int		scrBase, scrLine, scr;
+    int		shaBpp;
+    int		shaXoff, shaYoff;   /* XXX assumed to be zero */
+    int		x, y, w, h, width;
+    int         i;
+    CARD32	*winBase = NULL, *win;
+    CARD32	winSize;
+    int		plane;
+
+    fbGetStipDrawable (&pShadow->drawable, shaBase, shaStride, shaBpp, shaXoff, shaYoff);
+    while (nbox--)
+    {
+	x = pbox->x1 * shaBpp;
+	y = pbox->y1;
+	w = (pbox->x2 - pbox->x1) * shaBpp;
+	h = pbox->y2 - pbox->y1;
+
+	w = (w + (x & PL_MASK) + PL_MASK) >> PL_SHIFT;
+	x &= ~PL_MASK;
+	
+	scrLine = (x >> PL_SHIFT);
+	shaLine = shaBase + y * shaStride + (x >> FB_SHIFT);
+	
+	while (h--)
+	{
+	    for (plane = 0; plane < 4; plane++)
+	    {
+		width = w;
+		scr = scrLine;
+		sha = shaLine;
+		winSize = 0;
+		scrBase = 0;
+		while (width) {
+		    /* how much remains in this window */
+		    i = scrBase + winSize - scr;
+		    if (i <= 0 || scr < scrBase)
+		    {
+			winBase = (CARD32 *) (*pBuf->window) (pScreen,
+							      y,
+							      (scr << 4) | (plane),
+							      SHADOW_WINDOW_WRITE,
+							      &winSize,
+							      pBuf->closure);
+			if(!winBase)
+			    return;
+			winSize >>= 2;
+			scrBase = scr;
+			i = winSize;
+		    }
+		    win = winBase + (scr - scrBase);
+		    if (i > width)
+		    i = width;
+		    width -= i;
+		    scr += i;
+		   
+		    while (i--)
+		    {
+			GetBits(plane,0,s1);
+			GetBits(plane,2,s2);
+			GetBits(plane,4,s3);
+			GetBits(plane,6,s4);
+			*win++ = s1 | (s2 << 8) | (s3 << 16) | (s4 << 24);
+			sha += 8;
+		    }
+		}
+	    }
+	    shaLine += shaStride;
+	    y++;
+	}
+	pbox++;
+    }
+}
+		    
diff --git a/miext/shadow/shrot16pack.c b/miext/shadow/shrot16pack.c
new file mode 100644
index 0000000..0b7faca
--- /dev/null
+++ b/miext/shadow/shrot16pack.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate16
+#define Data	CARD16
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot16pack_180.c b/miext/shadow/shrot16pack_180.c
new file mode 100644
index 0000000..d8f2633
--- /dev/null
+++ b/miext/shadow/shrot16pack_180.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate16_180
+#define Data	CARD16
+#define ROTATE	180
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot16pack_270.c b/miext/shadow/shrot16pack_270.c
new file mode 100644
index 0000000..4aa4713
--- /dev/null
+++ b/miext/shadow/shrot16pack_270.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate16_270
+#define Data	CARD16
+#define ROTATE	270
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot16pack_270YX.c b/miext/shadow/shrot16pack_270YX.c
new file mode 100644
index 0000000..0df1fd5
--- /dev/null
+++ b/miext/shadow/shrot16pack_270YX.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright  2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate16_270YX
+#define Data	CARD16
+#define ROTATE	270
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpackYX.h"
diff --git a/miext/shadow/shrot16pack_90.c b/miext/shadow/shrot16pack_90.c
new file mode 100644
index 0000000..81e4915
--- /dev/null
+++ b/miext/shadow/shrot16pack_90.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate16_90
+#define Data	CARD16
+#define ROTATE	90
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot16pack_90YX.c b/miext/shadow/shrot16pack_90YX.c
new file mode 100644
index 0000000..5fc3b23
--- /dev/null
+++ b/miext/shadow/shrot16pack_90YX.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright  2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate16_90YX
+#define Data	CARD16
+#define ROTATE	90
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpackYX.h"
diff --git a/miext/shadow/shrot32pack.c b/miext/shadow/shrot32pack.c
new file mode 100644
index 0000000..4a9cbc0
--- /dev/null
+++ b/miext/shadow/shrot32pack.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate32
+#define Data	CARD32
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot32pack_180.c b/miext/shadow/shrot32pack_180.c
new file mode 100644
index 0000000..8f5fb57
--- /dev/null
+++ b/miext/shadow/shrot32pack_180.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate32_180
+#define Data	CARD32
+#define ROTATE	180
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot32pack_270.c b/miext/shadow/shrot32pack_270.c
new file mode 100644
index 0000000..7d52fd2
--- /dev/null
+++ b/miext/shadow/shrot32pack_270.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate32_270
+#define Data	CARD32
+#define ROTATE	270
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot32pack_90.c b/miext/shadow/shrot32pack_90.c
new file mode 100644
index 0000000..0abeb5c
--- /dev/null
+++ b/miext/shadow/shrot32pack_90.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate32_90
+#define Data	CARD32
+#define ROTATE	90
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot8pack.c b/miext/shadow/shrot8pack.c
new file mode 100644
index 0000000..552d838
--- /dev/null
+++ b/miext/shadow/shrot8pack.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate8
+#define Data	CARD8
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot8pack_180.c b/miext/shadow/shrot8pack_180.c
new file mode 100644
index 0000000..526d8f1
--- /dev/null
+++ b/miext/shadow/shrot8pack_180.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate8_180
+#define Data	CARD8
+#define ROTATE	180
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot8pack_270.c b/miext/shadow/shrot8pack_270.c
new file mode 100644
index 0000000..73f82a7
--- /dev/null
+++ b/miext/shadow/shrot8pack_270.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate8_270
+#define Data	CARD8
+#define ROTATE	270
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrot8pack_90.c b/miext/shadow/shrot8pack_90.c
new file mode 100644
index 0000000..73060ca
--- /dev/null
+++ b/miext/shadow/shrot8pack_90.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define FUNC	shadowUpdateRotate8_90
+#define Data	CARD8
+#define ROTATE	90
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "shrotpack.h"
diff --git a/miext/shadow/shrotate.c b/miext/shadow/shrotate.c
new file mode 100644
index 0000000..c389826
--- /dev/null
+++ b/miext/shadow/shrotate.c
@@ -0,0 +1,313 @@
+/*
+ *
+ * Copyright © 2001 Keith Packard, member of The XFree86 Project, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    <X11/fonts/font.h>
+#include    "dixfontstr.h"
+#include    <X11/fonts/fontstruct.h>
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+#include    "fb.h"
+
+/*
+ * These indicate which way the source (shadow) is scanned when
+ * walking the screen in a particular direction
+ */
+
+#define LEFT_TO_RIGHT	1
+#define RIGHT_TO_LEFT	-1
+#define TOP_TO_BOTTOM	2
+#define BOTTOM_TO_TOP	-2
+
+void
+shadowUpdateRotatePacked (ScreenPtr	pScreen,
+			  shadowBufPtr	pBuf)
+{
+    RegionPtr	damage = shadowDamage (pBuf);
+    PixmapPtr	pShadow = pBuf->pPixmap;
+    int		nbox = RegionNumRects (damage);
+    BoxPtr	pbox = RegionRects (damage);
+    FbBits	*shaBits;
+    FbStride	shaStride;
+    int		shaBpp;
+    int		shaXoff, shaYoff;
+    int		box_x1, box_x2, box_y1, box_y2;
+    int		sha_x1 = 0, sha_y1 = 0;
+    int		scr_x1 = 0, scr_x2 = 0, scr_y1 = 0, scr_y2 = 0, scr_w, scr_h;
+    int		scr_x, scr_y;
+    int		w;
+    int		pixelsPerBits;
+    int		pixelsMask;
+    FbStride	shaStepOverY = 0, shaStepDownY = 0;
+    FbStride	shaStepOverX = 0, shaStepDownX = 0;
+    FbBits	*shaLine, *sha;
+    int		shaHeight = pShadow->drawable.height;
+    int		shaWidth = pShadow->drawable.width;
+    FbBits	shaMask;
+    int		shaFirstShift, shaShift;
+    int		o_x_dir;
+    int		o_y_dir;
+    int		x_dir;
+    int		y_dir;
+
+    fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff);
+    pixelsPerBits = (sizeof (FbBits) * 8) / shaBpp;
+    pixelsMask = ~(pixelsPerBits - 1);
+    shaMask = FbBitsMask (FB_UNIT-shaBpp, shaBpp);
+    /*
+     * Compute rotation related constants to walk the shadow
+     */
+    o_x_dir = LEFT_TO_RIGHT;
+    o_y_dir = TOP_TO_BOTTOM;
+    if (pBuf->randr & SHADOW_REFLECT_X)
+	o_x_dir = -o_x_dir;
+    if (pBuf->randr & SHADOW_REFLECT_Y)
+	o_y_dir = -o_y_dir;
+    switch (pBuf->randr & (SHADOW_ROTATE_ALL)) {
+    case SHADOW_ROTATE_0:	/* upper left shadow -> upper left screen */
+    default:
+	x_dir = o_x_dir;
+	y_dir = o_y_dir;
+	break;
+    case SHADOW_ROTATE_90:    	/* upper right shadow -> upper left screen */
+	x_dir = o_y_dir;
+	y_dir = -o_x_dir;
+	break;
+    case SHADOW_ROTATE_180:	/* lower right shadow -> upper left screen */
+	x_dir = -o_x_dir;
+	y_dir = -o_y_dir;
+	break;
+    case SHADOW_ROTATE_270:	/* lower left shadow -> upper left screen */
+	x_dir = -o_y_dir;
+	y_dir = o_x_dir;
+	break;
+    }
+    switch (x_dir) {
+    case LEFT_TO_RIGHT:
+	shaStepOverX = shaBpp;
+	shaStepOverY = 0;
+	break;
+    case TOP_TO_BOTTOM:
+	shaStepOverX = 0;
+	shaStepOverY = shaStride;
+	break;
+    case RIGHT_TO_LEFT:
+	shaStepOverX = -shaBpp;
+	shaStepOverY = 0;
+	break;
+    case BOTTOM_TO_TOP:
+	shaStepOverX = 0;
+	shaStepOverY = -shaStride;
+	break;
+    }
+    switch (y_dir) {
+    case TOP_TO_BOTTOM:
+	shaStepDownX = 0;
+	shaStepDownY = shaStride;
+	break;
+    case RIGHT_TO_LEFT:
+	shaStepDownX = -shaBpp;
+	shaStepDownY = 0;
+	break;
+    case BOTTOM_TO_TOP:
+	shaStepDownX = 0;
+	shaStepDownY = -shaStride;
+	break;
+    case LEFT_TO_RIGHT:
+	shaStepDownX = shaBpp;
+	shaStepDownY = 0;
+	break;
+    }
+    
+    while (nbox--)
+    {
+        box_x1 = pbox->x1;
+        box_y1 = pbox->y1;
+        box_x2 = pbox->x2;
+        box_y2 = pbox->y2;
+        pbox++;
+
+	/*
+	 * Compute screen and shadow locations for this box
+	 */
+	switch (x_dir) {
+	case LEFT_TO_RIGHT:
+	    scr_x1 = box_x1 & pixelsMask;
+	    scr_x2 = (box_x2 + pixelsPerBits - 1) & pixelsMask;
+	    
+	    sha_x1 = scr_x1;
+	    break;
+	case TOP_TO_BOTTOM:
+	    scr_x1 = box_y1 & pixelsMask;
+	    scr_x2 = (box_y2 + pixelsPerBits - 1) & pixelsMask;
+
+	    sha_y1 = scr_x1;
+	    break;
+	case RIGHT_TO_LEFT:
+	    scr_x1 = (shaWidth - box_x2) & pixelsMask;
+	    scr_x2 = (shaWidth - box_x1 + pixelsPerBits - 1) & pixelsMask;
+
+	    sha_x1 = (shaWidth - scr_x1 - 1);
+	    break;
+	case BOTTOM_TO_TOP:
+	    scr_x1 = (shaHeight - box_y2) & pixelsMask;
+	    scr_x2 = (shaHeight - box_y1 + pixelsPerBits - 1) & pixelsMask;
+	    
+	    sha_y1 = (shaHeight - scr_x1 - 1);
+	    break;
+	}
+	switch (y_dir) {
+	case TOP_TO_BOTTOM:
+	    scr_y1 = box_y1;
+	    scr_y2 = box_y2;
+
+	    sha_y1 = scr_y1;
+	    break;
+	case RIGHT_TO_LEFT:
+	    scr_y1 = (shaWidth - box_x2);
+	    scr_y2 = (shaWidth - box_x1);
+
+	    sha_x1 = box_x2 - 1;
+	    break;
+	case BOTTOM_TO_TOP:
+	    scr_y1 = shaHeight - box_y2;
+	    scr_y2 = shaHeight - box_y1;
+	    
+	    sha_y1 = box_y2 - 1;
+	    break;
+	case LEFT_TO_RIGHT:
+	    scr_y1 = box_x1;
+	    scr_y2 = box_x2;
+
+	    sha_x1 = box_x1;
+	    break;
+	}
+	scr_w = ((scr_x2 - scr_x1) * shaBpp) >> FB_SHIFT;
+	scr_h = scr_y2 - scr_y1;
+	scr_y = scr_y1;
+
+	/* shift amount for first pixel on screen */ 
+	shaFirstShift = FB_UNIT - ((sha_x1 * shaBpp) & FB_MASK) - shaBpp;
+	
+	/* pointer to shadow data first placed on screen */
+	shaLine = (shaBits + 
+		   sha_y1 * shaStride + 
+		   ((sha_x1 * shaBpp) >> FB_SHIFT));
+
+	/*
+	 * Copy the bits, always write across the physical frame buffer
+	 * to take advantage of write combining.
+	 */
+	while (scr_h--)
+	{
+	    int	    p;
+	    FbBits  bits;
+	    FbBits  *win;
+	    int	    i;
+	    CARD32  winSize;
+	    
+	    sha = shaLine;
+	    shaShift = shaFirstShift;
+	    w = scr_w;
+	    scr_x = scr_x1 * shaBpp >> FB_SHIFT;
+
+	    while (w)
+	    {
+		/*
+		 * Map some of this line
+		 */
+		win = (FbBits *) (*pBuf->window) (pScreen,
+						  scr_y,
+						  scr_x << 2,
+						  SHADOW_WINDOW_WRITE,
+						  &winSize,
+						  pBuf->closure);
+		i = (winSize >> 2);
+		if (i > w)
+		    i = w;
+		w -= i;
+		scr_x += i;
+		/*
+		 * Copy the portion of the line mapped
+		 */
+		while (i--)
+		{
+		    bits = 0;
+		    p = pixelsPerBits;
+		    /*
+		     * Build one word of output from multiple inputs
+		     * 
+		     * Note that for 90/270 rotations, this will walk
+		     * down the shadow hitting each scanline once.
+		     * This is probably not very efficient.
+		     */
+		    while (p--)
+		    {
+			bits = FbScrLeft(bits, shaBpp);
+			bits |= FbScrRight (*sha, shaShift) & shaMask;
+
+			shaShift -= shaStepOverX;
+			if (shaShift >= FB_UNIT)
+			{
+			    shaShift -= FB_UNIT;
+			    sha--;
+			}
+			else if (shaShift < 0)
+			{
+			    shaShift += FB_UNIT;
+			    sha++;
+			}
+			sha += shaStepOverY;
+		    }
+		    *win++ = bits;
+		}
+	    }
+	    scr_y++;
+	    shaFirstShift -= shaStepDownX;
+	    if (shaFirstShift >= FB_UNIT)
+	    {
+		shaFirstShift -= FB_UNIT;
+		shaLine--;
+	    }
+	    else if (shaFirstShift < 0)
+	    {
+		shaFirstShift += FB_UNIT;
+		shaLine++;
+	    }
+	    shaLine += shaStepDownY;
+	}
+    }
+}
+
+shadowUpdateProc shadowUpdateRotatePackedWeak(void) {
+    return shadowUpdateRotatePacked;
+}
diff --git a/miext/shadow/shrotpack.h b/miext/shadow/shrotpack.h
new file mode 100644
index 0000000..2d1a87c
--- /dev/null
+++ b/miext/shadow/shrotpack.h
@@ -0,0 +1,187 @@
+/*
+ *
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Thanks to Daniel Chemko <dchemko@intrinsyc.com> for making the 90 and 180
+ * orientations work.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    <X11/fonts/font.h>
+#include    "dixfontstr.h"
+#include    <X11/fonts/fontstruct.h>
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+#include    "fb.h"
+
+#define DANDEBUG         0
+
+#if ROTATE == 270
+
+#define SCRLEFT(x,y,w,h)    (pScreen->height - ((y) + (h)))
+#define SCRY(x,y,w,h)	    (x)
+#define SCRWIDTH(x,y,w,h)   (h)
+#define FIRSTSHA(x,y,w,h)   (((y) + (h) - 1) * shaStride + (x))
+#define STEPDOWN(x,y,w,h)   ((w)--)
+#define NEXTY(x,y,w,h)	    ((x)++)
+#define SHASTEPX(stride)    -(stride)
+#define SHASTEPY(stride)    (1)
+
+#elif ROTATE == 90
+
+#define SCRLEFT(x,y,w,h)    (y)
+#define SCRY(x,y,w,h)	    (pScreen->width - ((x) + (w)) - 1)
+#define SCRWIDTH(x,y,w,h)   (h)
+#define FIRSTSHA(x,y,w,h)   ((y) * shaStride + (x + w - 1))
+#define STEPDOWN(x,y,w,h)   ((w)--)
+#define NEXTY(x,y,w,h)	    ((void)(x))
+#define SHASTEPX(stride)    (stride)
+#define SHASTEPY(stride)    (-1)
+
+#elif ROTATE == 180
+
+#define SCRLEFT(x,y,w,h)    (pScreen->width - ((x) + (w)))
+#define SCRY(x,y,w,h)	    (pScreen->height - ((y) + (h)) - 1)
+#define SCRWIDTH(x,y,w,h)   (w)
+#define FIRSTSHA(x,y,w,h)   ((y + h - 1) * shaStride + (x + w - 1))
+#define STEPDOWN(x,y,w,h)   ((h)--)
+#define NEXTY(x,y,w,h)	    ((void)(y))
+#define SHASTEPX(stride)    (-1)
+#define SHASTEPY(stride)    -(stride)
+
+#else
+
+#define SCRLEFT(x,y,w,h)    (x)
+#define SCRY(x,y,w,h)	    (y)
+#define SCRWIDTH(x,y,w,h)   (w)
+#define FIRSTSHA(x,y,w,h)   ((y) * shaStride + (x))
+#define STEPDOWN(x,y,w,h)   ((h)--)
+#define NEXTY(x,y,w,h)	    ((y)++)
+#define SHASTEPX(stride)    (1)
+#define SHASTEPY(stride)    (stride)
+
+#endif
+
+void
+FUNC (ScreenPtr	    pScreen,
+      shadowBufPtr  pBuf)
+{
+    RegionPtr	damage = shadowDamage (pBuf);
+    PixmapPtr	pShadow = pBuf->pPixmap;
+    int		nbox = RegionNumRects (damage);
+    BoxPtr	pbox = RegionRects (damage);
+    FbBits	*shaBits;
+    Data	*shaBase, *shaLine, *sha;
+    FbStride	shaStride;
+    int		scrBase, scrLine, scr;
+    int		shaBpp;
+    int		shaXoff, shaYoff;   /* XXX assumed to be zero */
+    int		x, y, w, h, width;
+    int         i;
+    Data	*winBase = NULL, *win;
+    CARD32	winSize;
+
+    fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff);
+    shaBase = (Data *) shaBits;
+    shaStride = shaStride * sizeof (FbBits) / sizeof (Data);
+#if (DANDEBUG > 1)
+    ErrorF ("-> Entering Shadow Update:\r\n   |- Origins: pShadow=%x, pScreen=%x, damage=%x\r\n   |- Metrics: shaStride=%d, shaBase=%x, shaBpp=%d\r\n   |                                                     \n", pShadow, pScreen, damage, shaStride, shaBase, shaBpp);
+#endif
+    while (nbox--)
+    {
+        x = pbox->x1;
+        y = pbox->y1;
+        w = (pbox->x2 - pbox->x1);
+        h = pbox->y2 - pbox->y1;
+        
+#if (DANDEBUG > 2)
+        ErrorF ("   |-> Redrawing box - Metrics: X=%d, Y=%d, Width=%d, Height=%d\n", x, y, w, h);
+#endif
+        scrLine = SCRLEFT(x,y,w,h);
+        shaLine = shaBase + FIRSTSHA(x,y,w,h);
+        
+        while (STEPDOWN(x,y,w,h))
+        {
+            winSize = 0;
+            scrBase = 0;
+            width = SCRWIDTH(x,y,w,h);
+            scr = scrLine;
+            sha = shaLine;
+#if (DANDEBUG > 3)
+            ErrorF ("   |   |-> StepDown - Metrics: width=%d, scr=%x, sha=%x\n", width, scr, sha);
+#endif
+            while (width)
+            {
+                /*  how much remains in this window */
+                i = scrBase + winSize - scr;
+                if (i <= 0 || scr < scrBase)
+                {
+                    winBase = (Data *) (*pBuf->window) (pScreen,
+							SCRY(x,y,w,h),
+							scr * sizeof (Data),
+							SHADOW_WINDOW_WRITE,
+							&winSize,
+							pBuf->closure);
+                    if(!winBase)
+                        return;
+                    scrBase = scr;
+                    winSize /= sizeof (Data);
+                    i = winSize;
+#if(DANDEBUG > 4)
+                    ErrorF ("   |   |   |-> Starting New Line - Metrics: winBase=%x, scrBase=%x, winSize=%d\r\n   |   |   |   Xstride=%d, Ystride=%d, w=%d h=%d\n", winBase, scrBase, winSize, SHASTEPX(shaStride), SHASTEPY(shaStride), w, h);
+#endif
+                }
+                win = winBase + (scr - scrBase);
+                if (i > width)
+                    i = width;
+                width -= i;
+                scr += i;
+#if(DANDEBUG > 5)
+		ErrorF ("   |   |   |-> Writing Line - Metrics: win=%x, sha=%x\n", win, sha);
+#endif
+                while (i--)
+                {
+#if(DANDEBUG > 6)
+		    ErrorF ("   |   |   |-> Writing Pixel - Metrics: win=%x, sha=%d, remaining=%d\n", win, sha, i);
+#endif
+                    *win++ = *sha;
+                    sha += SHASTEPX(shaStride);
+                } /*  i */
+            } /*  width */
+            shaLine += SHASTEPY(shaStride);
+            NEXTY(x,y,w,h);
+        } /*  STEPDOWN */
+        pbox++;
+    } /*  nbox */
+}
diff --git a/miext/shadow/shrotpackYX.h b/miext/shadow/shrotpackYX.h
new file mode 100644
index 0000000..7d36bd1
--- /dev/null
+++ b/miext/shadow/shrotpackYX.h
@@ -0,0 +1,160 @@
+/*
+ * Copyright © 2004 Philip Blundell
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Philip Blundell not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Philip Blundell makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * PHILIP BLUNDELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL PHILIP BLUNDELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include    <X11/X.h>
+#include    "scrnintstr.h"
+#include    "windowstr.h"
+#include    "dixfontstr.h"
+#include    "mi.h"
+#include    "regionstr.h"
+#include    "globals.h"
+#include    "gcstruct.h"
+#include    "shadow.h"
+#include    "fb.h"
+
+#if ROTATE == 270
+
+#define WINSTEPX(stride)    (stride)
+#define WINSTART(x,y)       (((pScreen->height - 1) - y) + (x * winStride))
+#define WINSTEPY()	    -1
+
+#elif ROTATE == 90
+
+#define WINSTEPX(stride)    (-stride)
+#define WINSTEPY()	    1
+#define WINSTART(x,y)       (((pScreen->width - 1 - x) * winStride) + y)
+
+#else
+
+#error This rotation is not supported here
+
+#endif
+
+#ifdef __arm__
+#define PREFETCH
+#endif
+
+void
+FUNC (ScreenPtr	    pScreen,
+      shadowBufPtr  pBuf);
+
+void
+FUNC (ScreenPtr	    pScreen,
+      shadowBufPtr  pBuf)
+{
+    RegionPtr	damage = shadowDamage(pBuf);
+    PixmapPtr	pShadow = pBuf->pPixmap;
+    int		nbox = RegionNumRects (damage);
+    BoxPtr	pbox = RegionRects (damage);
+    FbBits	*shaBits;
+    Data	*shaBase, *shaLine, *sha;
+    FbStride	shaStride, winStride;
+    int		shaBpp;
+    int		shaXoff, shaYoff;   /* XXX assumed to be zero */
+    int		x, y, w, h;
+    Data	*winBase, *win, *winLine;
+    CARD32	winSize;
+
+    fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp, shaXoff, shaYoff);
+    shaBase = (Data *) shaBits;
+    shaStride = shaStride * sizeof (FbBits) / sizeof (Data);
+
+    winBase = (Data *) (*pBuf->window) (pScreen, 0, 0,
+					SHADOW_WINDOW_WRITE,
+					&winSize, pBuf->closure);
+    winStride = (Data *) (*pBuf->window) (pScreen, 1, 0,
+					  SHADOW_WINDOW_WRITE,
+					  &winSize, pBuf->closure) - winBase;
+
+    while (nbox--)
+    {
+        x = pbox->x1;
+        y = pbox->y1;
+        w = (pbox->x2 - pbox->x1);
+        h = pbox->y2 - pbox->y1;
+
+	shaLine = shaBase + (y * shaStride) + x;
+#ifdef PREFETCH
+	__builtin_prefetch (shaLine);
+#endif
+	winLine = winBase + WINSTART(x, y);
+
+        while (h--)
+        {
+	    sha = shaLine;
+	    win = winLine;
+
+            while (sha < (shaLine + w - 16))
+            {
+#ifdef PREFETCH
+		__builtin_prefetch (sha + shaStride);
+#endif
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+            }
+
+            while (sha < (shaLine + w))
+            {
+		*win = *sha++;
+		win += WINSTEPX(winStride);
+            }
+
+	    y++;
+	    shaLine += shaStride;
+	    winLine += WINSTEPY();
+        }
+        pbox++;
+    } /*  nbox */
+}