import Mesa 11.0.6

15 files changed, 4900 insertions, 0 deletions

diff --git a/lib/mesa/src/gallium/state_trackers/dri/Makefile.am b/lib/mesa/src/gallium/state_trackers/dri/Makefile.am
new file mode 100644
index 000000000..9f4deba0c
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/Makefile.am
@@ -0,0 +1,61 @@
+# Copyright © 2012 Intel Corporation
+# Copyright © 2014 Emil Velikov
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+include Makefile.sources
+include $(top_srcdir)/src/gallium/Automake.inc
+
+AM_CPPFLAGS = \
+	$(GALLIUM_PIPE_LOADER_DEFINES) \
+	-DPIPE_SEARCH_DIR=\"$(libdir)/gallium-pipe\" \
+	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/src/mapi \
+	-I$(top_srcdir)/src/mesa \
+	-I$(top_srcdir)/src/mesa/drivers/dri/common \
+	-I$(top_builddir)/src/mesa/drivers/dri/common \
+	$(GALLIUM_CFLAGS) \
+	$(LIBDRM_CFLAGS) \
+	$(VISIBILITY_CFLAGS)
+
+if HAVE_GALLIUM_STATIC_TARGETS
+AM_CPPFLAGS += \
+	-DGALLIUM_STATIC_TARGETS=1
+
+if HAVE_GALLIUM_SOFTPIPE
+AM_CPPFLAGS += \
+	-DGALLIUM_SOFTPIPE
+endif # HAVE_GALLIUM_SOFTPIPE
+endif # HAVE_GALLIUM_STATIC_TARGETS
+
+noinst_LTLIBRARIES = libdri.la
+libdri_la_SOURCES = $(common_SOURCES)
+
+if HAVE_DRISW
+libdri_la_SOURCES += $(drisw_SOURCES)
+endif
+
+
+if HAVE_DRI2
+libdri_la_SOURCES += $(dri2_SOURCES)
+endif
+
+EXTRA_DIST = SConscript
diff --git a/lib/mesa/src/gallium/state_trackers/dri/Makefile.in b/lib/mesa/src/gallium/state_trackers/dri/Makefile.in
new file mode 100644
index 000000000..1ad262980
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/Makefile.in
@@ -0,0 +1,897 @@
+# Makefile.in generated by automake 1.15 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2014 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@
+
+# Copyright © 2012 Intel Corporation
+# Copyright © 2014 Emil Velikov
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
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+XCB_DRI2_LIBS = @XCB_DRI2_LIBS@
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+XF86VIDMODE_LIBS = @XF86VIDMODE_LIBS@
+XLIBGL_CFLAGS = @XLIBGL_CFLAGS@
+XLIBGL_LIBS = @XLIBGL_LIBS@
+XVMC_CFLAGS = @XVMC_CFLAGS@
+XVMC_LIBS = @XVMC_LIBS@
+XVMC_LIB_INSTALL_DIR = @XVMC_LIB_INSTALL_DIR@
+XVMC_MAJOR = @XVMC_MAJOR@
+XVMC_MINOR = @XVMC_MINOR@
+YACC = @YACC@
+YFLAGS = @YFLAGS@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+acv_mako_found = @acv_mako_found@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+ax_pthread_config = @ax_pthread_config@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+ifGNUmake = @ifGNUmake@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target = @target@
+target_alias = @target_alias@
+target_cpu = @target_cpu@
+target_os = @target_os@
+target_vendor = @target_vendor@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+common_SOURCES := \
+	dri_context.c \
+	dri_context.h \
+	dri_drawable.c \
+	dri_drawable.h \
+	dri_query_renderer.c \
+	dri_query_renderer.h \
+	dri_screen.c \
+	dri_screen.h
+
+dri2_SOURCES := \
+	dri2.c \
+	dri2_buffer.h
+
+drisw_SOURCES := \
+	drisw.c
+
+GALLIUM_CFLAGS = \
+	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/src \
+	-I$(top_srcdir)/src/gallium/include \
+	-I$(top_srcdir)/src/gallium/auxiliary \
+	$(DEFINES)
+
+
+# src/gallium/auxiliary must appear before src/gallium/drivers
+# because there are stupidly two rbug_context.h files in
+# different directories, and which one is included by the
+# preprocessor is determined by the ordering of the -I flags.
+GALLIUM_DRIVER_CFLAGS = \
+	-I$(srcdir)/include \
+	-I$(top_srcdir)/src \
+	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/src/gallium/include \
+	-I$(top_srcdir)/src/gallium/auxiliary \
+	-I$(top_srcdir)/src/gallium/drivers \
+	-I$(top_srcdir)/src/gallium/winsys \
+	$(DEFINES) \
+	$(VISIBILITY_CFLAGS)
+
+GALLIUM_DRIVER_CXXFLAGS = \
+	-I$(srcdir)/include \
+	-I$(top_srcdir)/src \
+	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/src/gallium/include \
+	-I$(top_srcdir)/src/gallium/auxiliary \
+	-I$(top_srcdir)/src/gallium/drivers \
+	-I$(top_srcdir)/src/gallium/winsys \
+	$(DEFINES) \
+	$(VISIBILITY_CXXFLAGS)
+
+GALLIUM_TARGET_CFLAGS = \
+	-I$(top_srcdir)/src \
+	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/src/loader \
+	-I$(top_srcdir)/src/gallium/include \
+	-I$(top_srcdir)/src/gallium/auxiliary \
+	-I$(top_srcdir)/src/gallium/drivers \
+	-I$(top_srcdir)/src/gallium/winsys \
+	$(DEFINES) \
+	$(PTHREAD_CFLAGS) \
+	$(LIBDRM_CFLAGS) \
+	$(VISIBILITY_CFLAGS)
+
+GALLIUM_COMMON_LIB_DEPS = \
+	-lm \
+	$(CLOCK_LIB) \
+	$(PTHREAD_LIBS) \
+	$(DLOPEN_LIBS)
+
+GALLIUM_WINSYS_CFLAGS = \
+	-I$(top_srcdir)/src \
+	-I$(top_srcdir)/include \
+	-I$(top_srcdir)/src/gallium/include \
+	-I$(top_srcdir)/src/gallium/auxiliary \
+	$(DEFINES) \
+	$(VISIBILITY_CFLAGS)
+
+GALLIUM_PIPE_LOADER_WINSYS_LIBS =  \
+	$(top_builddir)/src/gallium/winsys/sw/null/libws_null.la \
+	$(top_builddir)/src/gallium/winsys/sw/wrapper/libwsw.la \
+	$(am__append_1)
+AM_CPPFLAGS = $(GALLIUM_PIPE_LOADER_DEFINES) \
+	-DPIPE_SEARCH_DIR=\"$(libdir)/gallium-pipe\" \
+	-I$(top_srcdir)/include -I$(top_srcdir)/src/mapi \
+	-I$(top_srcdir)/src/mesa \
+	-I$(top_srcdir)/src/mesa/drivers/dri/common \
+	-I$(top_builddir)/src/mesa/drivers/dri/common \
+	$(GALLIUM_CFLAGS) $(LIBDRM_CFLAGS) $(VISIBILITY_CFLAGS) \
+	$(am__append_2) $(am__append_3)
+noinst_LTLIBRARIES = libdri.la
+libdri_la_SOURCES = $(common_SOURCES) $(am__append_4) $(am__append_5)
+EXTRA_DIST = SConscript
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(srcdir)/Makefile.sources $(top_srcdir)/src/gallium/Automake.inc $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/gallium/state_trackers/dri/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/gallium/state_trackers/dri/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+$(srcdir)/Makefile.sources $(top_srcdir)/src/gallium/Automake.inc $(am__empty):
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+libdri.la: $(libdri_la_OBJECTS) $(libdri_la_DEPENDENCIES) $(EXTRA_libdri_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(LINK)  $(libdri_la_OBJECTS) $(libdri_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dri2.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dri_context.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dri_drawable.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dri_query_renderer.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dri_screen.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drisw.Plo@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/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 $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+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:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+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:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \
+	ctags-am 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-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# 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/lib/mesa/src/gallium/state_trackers/dri/Makefile.sources b/lib/mesa/src/gallium/state_trackers/dri/Makefile.sources
new file mode 100644
index 000000000..52d60ac92
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/Makefile.sources
@@ -0,0 +1,16 @@
+common_SOURCES := \
+	dri_context.c \
+	dri_context.h \
+	dri_drawable.c \
+	dri_drawable.h \
+	dri_query_renderer.c \
+	dri_query_renderer.h \
+	dri_screen.c \
+	dri_screen.h
+
+dri2_SOURCES := \
+	dri2.c \
+	dri2_buffer.h
+
+drisw_SOURCES := \
+	drisw.c
diff --git a/lib/mesa/src/gallium/state_trackers/dri/SConscript b/lib/mesa/src/gallium/state_trackers/dri/SConscript
new file mode 100644
index 000000000..657300baf
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/SConscript
@@ -0,0 +1,34 @@
+#######################################################################
+# SConscript for dri state_tracker
+
+Import('*')
+
+env = env.Clone()
+
+env.PkgUseModules(['DRM'])
+
+env.Append(CPPPATH = [
+    '#/src',
+    '#/src/mapi',
+    '#/src/mesa',
+    '#/src/mesa/drivers/dri/common',
+    xmlpool_options.dir.dir, # Dir to generated xmlpool/options.h
+])
+
+env.Append(CPPDEFINES = [
+    ('GALLIUM_STATIC_TARGETS', '1'),
+])
+
+sources = env.ParseSourceList('Makefile.sources', 'common_SOURCES')
+
+# XXX: if HAVE_DRISW
+sources.append(env.ParseSourceList('Makefile.sources', 'drisw_SOURCES'))
+
+# XXX: if HAVE_DRI2
+sources.append(env.ParseSourceList('Makefile.sources', 'dri2_SOURCES'))
+
+st_dri = env.ConvenienceLibrary(
+    target = 'st_dri',
+    source = sources
+)
+Export('st_dri')
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri2.c b/lib/mesa/src/gallium/state_trackers/dri/dri2.c
new file mode 100644
index 000000000..019414b56
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri2.c
@@ -0,0 +1,1643 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright 2009, VMware, Inc.
+ * All Rights Reserved.
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Keith Whitwell <keithw@vmware.com> Jakob Bornecrantz
+ *    <wallbraker@gmail.com> Chia-I Wu <olv@lunarg.com>
+ */
+
+#include <xf86drm.h>
+#include <dlfcn.h>
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "util/u_debug.h"
+#include "state_tracker/drm_driver.h"
+#include "state_tracker/st_texture.h"
+#include "state_tracker/st_context.h"
+#include "pipe-loader/pipe_loader.h"
+#include "main/texobj.h"
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_drawable.h"
+#include "dri_query_renderer.h"
+#include "dri2_buffer.h"
+
+static int convert_fourcc(int format, int *dri_components_p)
+{
+   int dri_components;
+   switch(format) {
+   case __DRI_IMAGE_FOURCC_RGB565:
+      format = __DRI_IMAGE_FORMAT_RGB565;
+      dri_components = __DRI_IMAGE_COMPONENTS_RGB;
+      break;
+   case __DRI_IMAGE_FOURCC_ARGB8888:
+      format = __DRI_IMAGE_FORMAT_ARGB8888;
+      dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
+      break;
+   case __DRI_IMAGE_FOURCC_XRGB8888:
+      format = __DRI_IMAGE_FORMAT_XRGB8888;
+      dri_components = __DRI_IMAGE_COMPONENTS_RGB;
+      break;
+   case __DRI_IMAGE_FOURCC_ABGR8888:
+      format = __DRI_IMAGE_FORMAT_ABGR8888;
+      dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
+      break;
+   case __DRI_IMAGE_FOURCC_XBGR8888:
+      format = __DRI_IMAGE_FORMAT_XBGR8888;
+      dri_components = __DRI_IMAGE_COMPONENTS_RGB;
+      break;
+   default:
+      return -1;
+   }
+   *dri_components_p = dri_components;
+   return format;
+}
+
+static int convert_to_fourcc(int format)
+{
+   switch(format) {
+   case __DRI_IMAGE_FORMAT_RGB565:
+      format = __DRI_IMAGE_FOURCC_RGB565;
+      break;
+   case __DRI_IMAGE_FORMAT_ARGB8888:
+      format = __DRI_IMAGE_FOURCC_ARGB8888;
+      break;
+   case __DRI_IMAGE_FORMAT_XRGB8888:
+      format = __DRI_IMAGE_FOURCC_XRGB8888;
+      break;
+   case __DRI_IMAGE_FORMAT_ABGR8888:
+      format = __DRI_IMAGE_FOURCC_ABGR8888;
+      break;
+   case __DRI_IMAGE_FORMAT_XBGR8888:
+      format = __DRI_IMAGE_FOURCC_XBGR8888;
+      break;
+   default:
+      return -1;
+   }
+   return format;
+}
+
+/**
+ * DRI2 flush extension.
+ */
+static void
+dri2_flush_drawable(__DRIdrawable *dPriv)
+{
+   dri_flush(dPriv->driContextPriv, dPriv, __DRI2_FLUSH_DRAWABLE, -1);
+}
+
+static void
+dri2_invalidate_drawable(__DRIdrawable *dPriv)
+{
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+
+   dri2InvalidateDrawable(dPriv);
+   drawable->dPriv->lastStamp = drawable->dPriv->dri2.stamp;
+
+   p_atomic_inc(&drawable->base.stamp);
+}
+
+static const __DRI2flushExtension dri2FlushExtension = {
+    .base = { __DRI2_FLUSH, 4 },
+
+    .flush                = dri2_flush_drawable,
+    .invalidate           = dri2_invalidate_drawable,
+    .flush_with_flags     = dri_flush,
+};
+
+/**
+ * Retrieve __DRIbuffer from the DRI loader.
+ */
+static __DRIbuffer *
+dri2_drawable_get_buffers(struct dri_drawable *drawable,
+                          const enum st_attachment_type *atts,
+                          unsigned *count)
+{
+   __DRIdrawable *dri_drawable = drawable->dPriv;
+   const __DRIdri2LoaderExtension *loader = drawable->sPriv->dri2.loader;
+   boolean with_format;
+   __DRIbuffer *buffers;
+   int num_buffers;
+   unsigned attachments[10];
+   unsigned num_attachments, i;
+
+   assert(loader);
+   with_format = dri_with_format(drawable->sPriv);
+
+   num_attachments = 0;
+
+   /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
+   if (!with_format)
+      attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT;
+
+   for (i = 0; i < *count; i++) {
+      enum pipe_format format;
+      unsigned bind;
+      int att, depth;
+
+      dri_drawable_get_format(drawable, atts[i], &format, &bind);
+      if (format == PIPE_FORMAT_NONE)
+         continue;
+
+      switch (atts[i]) {
+      case ST_ATTACHMENT_FRONT_LEFT:
+         /* already added */
+         if (!with_format)
+            continue;
+         att = __DRI_BUFFER_FRONT_LEFT;
+         break;
+      case ST_ATTACHMENT_BACK_LEFT:
+         att = __DRI_BUFFER_BACK_LEFT;
+         break;
+      case ST_ATTACHMENT_FRONT_RIGHT:
+         att = __DRI_BUFFER_FRONT_RIGHT;
+         break;
+      case ST_ATTACHMENT_BACK_RIGHT:
+         att = __DRI_BUFFER_BACK_RIGHT;
+         break;
+      default:
+         continue;
+      }
+
+      /*
+       * In this switch statement we must support all formats that
+       * may occur as the stvis->color_format.
+       */
+      switch(format) {
+      case PIPE_FORMAT_BGRA8888_UNORM:
+	 depth = 32;
+	 break;
+      case PIPE_FORMAT_BGRX8888_UNORM:
+	 depth = 24;
+	 break;
+      case PIPE_FORMAT_B5G6R5_UNORM:
+	 depth = 16;
+	 break;
+      default:
+	 depth = util_format_get_blocksizebits(format);
+	 assert(!"Unexpected format in dri2_drawable_get_buffers()");
+      }
+
+      attachments[num_attachments++] = att;
+      if (with_format) {
+         attachments[num_attachments++] = depth;
+      }
+   }
+
+   if (with_format) {
+      num_attachments /= 2;
+      buffers = loader->getBuffersWithFormat(dri_drawable,
+            &dri_drawable->w, &dri_drawable->h,
+            attachments, num_attachments,
+            &num_buffers, dri_drawable->loaderPrivate);
+   }
+   else {
+      buffers = loader->getBuffers(dri_drawable,
+            &dri_drawable->w, &dri_drawable->h,
+            attachments, num_attachments,
+            &num_buffers, dri_drawable->loaderPrivate);
+   }
+
+   if (buffers)
+      *count = num_buffers;
+
+   return buffers;
+}
+
+static bool
+dri_image_drawable_get_buffers(struct dri_drawable *drawable,
+                               struct __DRIimageList *images,
+                               const enum st_attachment_type *statts,
+                               unsigned statts_count)
+{
+   __DRIdrawable *dPriv = drawable->dPriv;
+   __DRIscreen *sPriv = drawable->sPriv;
+   unsigned int image_format = __DRI_IMAGE_FORMAT_NONE;
+   enum pipe_format pf;
+   uint32_t buffer_mask = 0;
+   unsigned i, bind;
+
+   for (i = 0; i < statts_count; i++) {
+      dri_drawable_get_format(drawable, statts[i], &pf, &bind);
+      if (pf == PIPE_FORMAT_NONE)
+         continue;
+
+      switch (statts[i]) {
+      case ST_ATTACHMENT_FRONT_LEFT:
+         buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
+         break;
+      case ST_ATTACHMENT_BACK_LEFT:
+         buffer_mask |= __DRI_IMAGE_BUFFER_BACK;
+         break;
+      default:
+         continue;
+      }
+
+      switch (pf) {
+      case PIPE_FORMAT_B5G6R5_UNORM:
+         image_format = __DRI_IMAGE_FORMAT_RGB565;
+         break;
+      case PIPE_FORMAT_BGRX8888_UNORM:
+         image_format = __DRI_IMAGE_FORMAT_XRGB8888;
+         break;
+      case PIPE_FORMAT_BGRA8888_UNORM:
+         image_format = __DRI_IMAGE_FORMAT_ARGB8888;
+         break;
+      case PIPE_FORMAT_RGBA8888_UNORM:
+         image_format = __DRI_IMAGE_FORMAT_ABGR8888;
+         break;
+      default:
+         image_format = __DRI_IMAGE_FORMAT_NONE;
+         break;
+      }
+   }
+
+   return (*sPriv->image.loader->getBuffers) (dPriv, image_format,
+                                       (uint32_t *) &drawable->base.stamp,
+                                       dPriv->loaderPrivate, buffer_mask,
+                                       images);
+}
+
+static __DRIbuffer *
+dri2_allocate_buffer(__DRIscreen *sPriv,
+                     unsigned attachment, unsigned format,
+                     int width, int height)
+{
+   struct dri_screen *screen = dri_screen(sPriv);
+   struct dri2_buffer *buffer;
+   struct pipe_resource templ;
+   enum pipe_format pf;
+   unsigned bind = 0;
+   struct winsys_handle whandle;
+
+   switch (attachment) {
+      case __DRI_BUFFER_FRONT_LEFT:
+      case __DRI_BUFFER_FAKE_FRONT_LEFT:
+         bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+         break;
+      case __DRI_BUFFER_BACK_LEFT:
+         bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+         break;
+      case __DRI_BUFFER_DEPTH:
+      case __DRI_BUFFER_DEPTH_STENCIL:
+      case __DRI_BUFFER_STENCIL:
+            bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
+         break;
+   }
+
+   /* because we get the handle and stride */
+   bind |= PIPE_BIND_SHARED;
+
+   switch (format) {
+      case 32:
+         pf = PIPE_FORMAT_BGRA8888_UNORM;
+         break;
+      case 24:
+         pf = PIPE_FORMAT_BGRX8888_UNORM;
+         break;
+      case 16:
+         pf = PIPE_FORMAT_Z16_UNORM;
+         break;
+      default:
+         return NULL;
+   }
+
+   buffer = CALLOC_STRUCT(dri2_buffer);
+   if (!buffer)
+      return NULL;
+
+   memset(&templ, 0, sizeof(templ));
+   templ.bind = bind;
+   templ.format = pf;
+   templ.target = PIPE_TEXTURE_2D;
+   templ.last_level = 0;
+   templ.width0 = width;
+   templ.height0 = height;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+
+   buffer->resource =
+      screen->base.screen->resource_create(screen->base.screen, &templ);
+   if (!buffer->resource) {
+      FREE(buffer);
+      return NULL;
+   }
+
+   memset(&whandle, 0, sizeof(whandle));
+   if (screen->can_share_buffer)
+      whandle.type = DRM_API_HANDLE_TYPE_SHARED;
+   else
+      whandle.type = DRM_API_HANDLE_TYPE_KMS;
+
+   screen->base.screen->resource_get_handle(screen->base.screen,
+         buffer->resource, &whandle);
+
+   buffer->base.attachment = attachment;
+   buffer->base.name = whandle.handle;
+   buffer->base.cpp = util_format_get_blocksize(pf);
+   buffer->base.pitch = whandle.stride;
+
+   return &buffer->base;
+}
+
+static void
+dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv)
+{
+   struct dri2_buffer *buffer = dri2_buffer(bPriv);
+
+   pipe_resource_reference(&buffer->resource, NULL);
+   FREE(buffer);
+}
+
+/*
+ * Backend functions for st_framebuffer interface.
+ */
+
+static void
+dri2_allocate_textures(struct dri_context *ctx,
+                       struct dri_drawable *drawable,
+                       const enum st_attachment_type *statts,
+                       unsigned statts_count)
+{
+   __DRIscreen *sPriv = drawable->sPriv;
+   __DRIdrawable *dri_drawable = drawable->dPriv;
+   struct dri_screen *screen = dri_screen(sPriv);
+   struct pipe_resource templ;
+   boolean alloc_depthstencil = FALSE;
+   unsigned i, j, bind;
+   const __DRIimageLoaderExtension *image = sPriv->image.loader;
+   /* Image specific variables */
+   struct __DRIimageList images;
+   /* Dri2 specific variables */
+   __DRIbuffer *buffers = NULL;
+   struct winsys_handle whandle;
+   unsigned num_buffers = statts_count;
+
+   /* First get the buffers from the loader */
+   if (image) {
+      if (!dri_image_drawable_get_buffers(drawable, &images,
+                                          statts, statts_count))
+         return;
+   }
+   else {
+      buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers);
+      if (!buffers || (drawable->old_num == num_buffers &&
+                       drawable->old_w == dri_drawable->w &&
+                       drawable->old_h == dri_drawable->h &&
+                       memcmp(drawable->old, buffers,
+                              sizeof(__DRIbuffer) * num_buffers) == 0))
+         return;
+   }
+
+   /* Second clean useless resources*/
+
+   /* See if we need a depth-stencil buffer. */
+   for (i = 0; i < statts_count; i++) {
+      if (statts[i] == ST_ATTACHMENT_DEPTH_STENCIL) {
+         alloc_depthstencil = TRUE;
+         break;
+      }
+   }
+
+   /* Delete the resources we won't need. */
+   for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+      /* Don't delete the depth-stencil buffer, we can reuse it. */
+      if (i == ST_ATTACHMENT_DEPTH_STENCIL && alloc_depthstencil)
+         continue;
+
+      /* Flush the texture before unreferencing, so that other clients can
+       * see what the driver has rendered.
+       */
+      if (i != ST_ATTACHMENT_DEPTH_STENCIL && drawable->textures[i]) {
+         struct pipe_context *pipe = ctx->st->pipe;
+         pipe->flush_resource(pipe, drawable->textures[i]);
+      }
+
+      pipe_resource_reference(&drawable->textures[i], NULL);
+   }
+
+   if (drawable->stvis.samples > 1) {
+      for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+         boolean del = TRUE;
+
+         /* Don't delete MSAA resources for the attachments which are enabled,
+          * we can reuse them. */
+         for (j = 0; j < statts_count; j++) {
+            if (i == statts[j]) {
+               del = FALSE;
+               break;
+            }
+         }
+
+         if (del) {
+            pipe_resource_reference(&drawable->msaa_textures[i], NULL);
+         }
+      }
+   }
+
+   /* Third use the buffers retrieved to fill the drawable info */
+
+   memset(&templ, 0, sizeof(templ));
+   templ.target = screen->target;
+   templ.last_level = 0;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+
+   if (image) {
+      if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) {
+         struct pipe_resource **buf =
+            &drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
+         struct pipe_resource *texture = images.front->texture;
+
+         dri_drawable->w = texture->width0;
+         dri_drawable->h = texture->height0;
+
+         pipe_resource_reference(buf, texture);
+      }
+
+      if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) {
+         struct pipe_resource **buf =
+            &drawable->textures[ST_ATTACHMENT_BACK_LEFT];
+         struct pipe_resource *texture = images.back->texture;
+
+         dri_drawable->w = texture->width0;
+         dri_drawable->h = texture->height0;
+
+         pipe_resource_reference(buf, texture);
+      }
+
+      /* Note: if there is both a back and a front buffer,
+       * then they have the same size.
+       */
+      templ.width0 = dri_drawable->w;
+      templ.height0 = dri_drawable->h;
+   }
+   else {
+      memset(&whandle, 0, sizeof(whandle));
+
+      /* Process DRI-provided buffers and get pipe_resources. */
+      for (i = 0; i < num_buffers; i++) {
+         __DRIbuffer *buf = &buffers[i];
+         enum st_attachment_type statt;
+         enum pipe_format format;
+
+         switch (buf->attachment) {
+         case __DRI_BUFFER_FRONT_LEFT:
+            if (!screen->auto_fake_front) {
+               continue; /* invalid attachment */
+            }
+            /* fallthrough */
+         case __DRI_BUFFER_FAKE_FRONT_LEFT:
+            statt = ST_ATTACHMENT_FRONT_LEFT;
+            break;
+         case __DRI_BUFFER_BACK_LEFT:
+            statt = ST_ATTACHMENT_BACK_LEFT;
+            break;
+         default:
+            continue; /* invalid attachment */
+         }
+
+         dri_drawable_get_format(drawable, statt, &format, &bind);
+         if (format == PIPE_FORMAT_NONE)
+            continue;
+
+         /* dri2_drawable_get_buffers has already filled dri_drawable->w
+          * and dri_drawable->h */
+         templ.width0 = dri_drawable->w;
+         templ.height0 = dri_drawable->h;
+         templ.format = format;
+         templ.bind = bind;
+         whandle.handle = buf->name;
+         whandle.stride = buf->pitch;
+         if (screen->can_share_buffer)
+            whandle.type = DRM_API_HANDLE_TYPE_SHARED;
+         else
+            whandle.type = DRM_API_HANDLE_TYPE_KMS;
+         drawable->textures[statt] =
+            screen->base.screen->resource_from_handle(screen->base.screen,
+                  &templ, &whandle);
+         assert(drawable->textures[statt]);
+      }
+   }
+
+   /* Allocate private MSAA colorbuffers. */
+   if (drawable->stvis.samples > 1) {
+      for (i = 0; i < statts_count; i++) {
+         enum st_attachment_type statt = statts[i];
+
+         if (statt == ST_ATTACHMENT_DEPTH_STENCIL)
+            continue;
+
+         if (drawable->textures[statt]) {
+            templ.format = drawable->textures[statt]->format;
+            templ.bind = drawable->textures[statt]->bind & ~PIPE_BIND_SCANOUT;
+            templ.nr_samples = drawable->stvis.samples;
+
+            /* Try to reuse the resource.
+             * (the other resource parameters should be constant)
+             */
+            if (!drawable->msaa_textures[statt] ||
+                drawable->msaa_textures[statt]->width0 != templ.width0 ||
+                drawable->msaa_textures[statt]->height0 != templ.height0) {
+               /* Allocate a new one. */
+               pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
+
+               drawable->msaa_textures[statt] =
+                  screen->base.screen->resource_create(screen->base.screen,
+                                                       &templ);
+               assert(drawable->msaa_textures[statt]);
+
+               /* If there are any MSAA resources, we should initialize them
+                * such that they contain the same data as the single-sample
+                * resources we just got from the X server.
+                *
+                * The reason for this is that the state tracker (and
+                * therefore the app) can access the MSAA resources only.
+                * The single-sample resources are not exposed
+                * to the state tracker.
+                *
+                */
+               dri_pipe_blit(ctx->st->pipe,
+                             drawable->msaa_textures[statt],
+                             drawable->textures[statt]);
+            }
+         }
+         else {
+            pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
+         }
+      }
+   }
+
+   /* Allocate a private depth-stencil buffer. */
+   if (alloc_depthstencil) {
+      enum st_attachment_type statt = ST_ATTACHMENT_DEPTH_STENCIL;
+      struct pipe_resource **zsbuf;
+      enum pipe_format format;
+      unsigned bind;
+
+      dri_drawable_get_format(drawable, statt, &format, &bind);
+
+      if (format) {
+         templ.format = format;
+         templ.bind = bind;
+
+         if (drawable->stvis.samples > 1) {
+            templ.nr_samples = drawable->stvis.samples;
+            zsbuf = &drawable->msaa_textures[statt];
+         }
+         else {
+            templ.nr_samples = 0;
+            zsbuf = &drawable->textures[statt];
+         }
+
+         /* Try to reuse the resource.
+          * (the other resource parameters should be constant)
+          */
+         if (!*zsbuf ||
+             (*zsbuf)->width0 != templ.width0 ||
+             (*zsbuf)->height0 != templ.height0) {
+            /* Allocate a new one. */
+            pipe_resource_reference(zsbuf, NULL);
+            *zsbuf = screen->base.screen->resource_create(screen->base.screen,
+                                                          &templ);
+            assert(*zsbuf);
+         }
+      }
+      else {
+         pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
+         pipe_resource_reference(&drawable->textures[statt], NULL);
+      }
+   }
+
+   /* For DRI2, we may get the same buffers again from the server.
+    * To prevent useless imports of gem names, drawable->old* is used
+    * to bypass the import if we get the same buffers. This doesn't apply
+    * to DRI3/Wayland, users of image.loader, since the buffer is managed
+    * by the client (no import), and the back buffer is going to change
+    * at every redraw.
+    */
+   if (!image) {
+      drawable->old_num = num_buffers;
+      drawable->old_w = dri_drawable->w;
+      drawable->old_h = dri_drawable->h;
+      memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * num_buffers);
+   }
+}
+
+static void
+dri2_flush_frontbuffer(struct dri_context *ctx,
+                       struct dri_drawable *drawable,
+                       enum st_attachment_type statt)
+{
+   __DRIdrawable *dri_drawable = drawable->dPriv;
+   const __DRIimageLoaderExtension *image = drawable->sPriv->image.loader;
+   const __DRIdri2LoaderExtension *loader = drawable->sPriv->dri2.loader;
+   struct pipe_context *pipe = ctx->st->pipe;
+
+   if (statt != ST_ATTACHMENT_FRONT_LEFT)
+      return;
+
+   if (drawable->stvis.samples > 1) {
+      /* Resolve the front buffer. */
+      dri_pipe_blit(ctx->st->pipe,
+                    drawable->textures[ST_ATTACHMENT_FRONT_LEFT],
+                    drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]);
+   }
+
+   if (drawable->textures[ST_ATTACHMENT_FRONT_LEFT]) {
+      pipe->flush_resource(pipe, drawable->textures[ST_ATTACHMENT_FRONT_LEFT]);
+   }
+
+   pipe->flush(pipe, NULL, 0);
+
+   if (image) {
+      image->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
+   }
+   else if (loader->flushFrontBuffer) {
+      loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
+   }
+}
+
+static void
+dri2_update_tex_buffer(struct dri_drawable *drawable,
+                       struct dri_context *ctx,
+                       struct pipe_resource *res)
+{
+   /* no-op */
+}
+
+static __DRIimage *
+dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
+{
+   const __DRIimageLookupExtension *loader = screen->sPriv->dri2.image;
+   __DRIimage *img;
+
+   if (!loader->lookupEGLImage)
+      return NULL;
+
+   img = loader->lookupEGLImage(screen->sPriv,
+				handle, screen->sPriv->loaderPrivate);
+
+   return img;
+}
+
+static __DRIimage *
+dri2_create_image_from_winsys(__DRIscreen *_screen,
+                              int width, int height, int format,
+                              struct winsys_handle *whandle, int pitch,
+                              void *loaderPrivate)
+{
+   struct dri_screen *screen = dri_screen(_screen);
+   __DRIimage *img;
+   struct pipe_resource templ;
+   unsigned tex_usage;
+   enum pipe_format pf;
+
+   tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+
+   switch (format) {
+   case __DRI_IMAGE_FORMAT_RGB565:
+      pf = PIPE_FORMAT_B5G6R5_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_XRGB8888:
+      pf = PIPE_FORMAT_BGRX8888_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_ARGB8888:
+      pf = PIPE_FORMAT_BGRA8888_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_ABGR8888:
+      pf = PIPE_FORMAT_RGBA8888_UNORM;
+      break;
+   default:
+      pf = PIPE_FORMAT_NONE;
+      break;
+   }
+   if (pf == PIPE_FORMAT_NONE)
+      return NULL;
+
+   img = CALLOC_STRUCT(__DRIimageRec);
+   if (!img)
+      return NULL;
+
+   memset(&templ, 0, sizeof(templ));
+   templ.bind = tex_usage;
+   templ.format = pf;
+   templ.target = screen->target;
+   templ.last_level = 0;
+   templ.width0 = width;
+   templ.height0 = height;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+
+   whandle->stride = pitch * util_format_get_blocksize(pf);
+
+   img->texture = screen->base.screen->resource_from_handle(screen->base.screen,
+         &templ, whandle);
+   if (!img->texture) {
+      FREE(img);
+      return NULL;
+   }
+
+   img->level = 0;
+   img->layer = 0;
+   img->dri_format = format;
+   img->loader_private = loaderPrivate;
+
+   return img;
+}
+
+static __DRIimage *
+dri2_create_image_from_name(__DRIscreen *_screen,
+                            int width, int height, int format,
+                            int name, int pitch, void *loaderPrivate)
+{
+   struct winsys_handle whandle;
+
+   memset(&whandle, 0, sizeof(whandle));
+   whandle.type = DRM_API_HANDLE_TYPE_SHARED;
+   whandle.handle = name;
+
+   return dri2_create_image_from_winsys(_screen, width, height, format,
+                                        &whandle, pitch, loaderPrivate);
+}
+
+static __DRIimage *
+dri2_create_image_from_fd(__DRIscreen *_screen,
+                          int width, int height, int format,
+                          int fd, int pitch, void *loaderPrivate)
+{
+   struct winsys_handle whandle;
+
+   if (fd < 0)
+      return NULL;
+
+   memset(&whandle, 0, sizeof(whandle));
+   whandle.type = DRM_API_HANDLE_TYPE_FD;
+   whandle.handle = (unsigned)fd;
+
+   return dri2_create_image_from_winsys(_screen, width, height, format,
+                                        &whandle, pitch, loaderPrivate);
+}
+
+static __DRIimage *
+dri2_create_image_from_renderbuffer(__DRIcontext *context,
+				    int renderbuffer, void *loaderPrivate)
+{
+   struct dri_context *ctx = dri_context(context);
+
+   if (!ctx->st->get_resource_for_egl_image)
+      return NULL;
+
+   /* TODO */
+   return NULL;
+}
+
+static __DRIimage *
+dri2_create_image(__DRIscreen *_screen,
+                   int width, int height, int format,
+                   unsigned int use, void *loaderPrivate)
+{
+   struct dri_screen *screen = dri_screen(_screen);
+   __DRIimage *img;
+   struct pipe_resource templ;
+   unsigned tex_usage;
+   enum pipe_format pf;
+
+   tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+   if (use & __DRI_IMAGE_USE_SCANOUT)
+      tex_usage |= PIPE_BIND_SCANOUT;
+   if (use & __DRI_IMAGE_USE_SHARE)
+      tex_usage |= PIPE_BIND_SHARED;
+   if (use & __DRI_IMAGE_USE_LINEAR)
+      tex_usage |= PIPE_BIND_LINEAR;
+   if (use & __DRI_IMAGE_USE_CURSOR) {
+      if (width != 64 || height != 64)
+         return NULL;
+      tex_usage |= PIPE_BIND_CURSOR;
+   }
+
+   switch (format) {
+   case __DRI_IMAGE_FORMAT_RGB565:
+      pf = PIPE_FORMAT_B5G6R5_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_XRGB8888:
+      pf = PIPE_FORMAT_BGRX8888_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_ARGB8888:
+      pf = PIPE_FORMAT_BGRA8888_UNORM;
+      break;
+   case __DRI_IMAGE_FORMAT_ABGR8888:
+      pf = PIPE_FORMAT_RGBA8888_UNORM;
+      break;
+   default:
+      pf = PIPE_FORMAT_NONE;
+      break;
+   }
+   if (pf == PIPE_FORMAT_NONE)
+      return NULL;
+
+   img = CALLOC_STRUCT(__DRIimageRec);
+   if (!img)
+      return NULL;
+
+   memset(&templ, 0, sizeof(templ));
+   templ.bind = tex_usage;
+   templ.format = pf;
+   templ.target = PIPE_TEXTURE_2D;
+   templ.last_level = 0;
+   templ.width0 = width;
+   templ.height0 = height;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+
+   img->texture = screen->base.screen->resource_create(screen->base.screen, &templ);
+   if (!img->texture) {
+      FREE(img);
+      return NULL;
+   }
+
+   img->level = 0;
+   img->layer = 0;
+   img->dri_format = format;
+   img->dri_components = 0;
+
+   img->loader_private = loaderPrivate;
+   return img;
+}
+
+static GLboolean
+dri2_query_image(__DRIimage *image, int attrib, int *value)
+{
+   struct winsys_handle whandle;
+   memset(&whandle, 0, sizeof(whandle));
+
+   switch (attrib) {
+   case __DRI_IMAGE_ATTRIB_STRIDE:
+      whandle.type = DRM_API_HANDLE_TYPE_KMS;
+      image->texture->screen->resource_get_handle(image->texture->screen,
+            image->texture, &whandle);
+      *value = whandle.stride;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_HANDLE:
+      whandle.type = DRM_API_HANDLE_TYPE_KMS;
+      image->texture->screen->resource_get_handle(image->texture->screen,
+         image->texture, &whandle);
+      *value = whandle.handle;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_NAME:
+      whandle.type = DRM_API_HANDLE_TYPE_SHARED;
+      image->texture->screen->resource_get_handle(image->texture->screen,
+         image->texture, &whandle);
+      *value = whandle.handle;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_FD:
+      whandle.type= DRM_API_HANDLE_TYPE_FD;
+      image->texture->screen->resource_get_handle(image->texture->screen,
+         image->texture, &whandle);
+      *value = whandle.handle;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_FORMAT:
+      *value = image->dri_format;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_WIDTH:
+      *value = image->texture->width0;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_HEIGHT:
+      *value = image->texture->height0;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_COMPONENTS:
+      if (image->dri_components == 0)
+         return GL_FALSE;
+      *value = image->dri_components;
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_FOURCC:
+      *value = convert_to_fourcc(image->dri_format);
+      return GL_TRUE;
+   case __DRI_IMAGE_ATTRIB_NUM_PLANES:
+      *value = 1;
+      return GL_TRUE;
+   default:
+      return GL_FALSE;
+   }
+}
+
+static __DRIimage *
+dri2_dup_image(__DRIimage *image, void *loaderPrivate)
+{
+   __DRIimage *img;
+
+   img = CALLOC_STRUCT(__DRIimageRec);
+   if (!img)
+      return NULL;
+
+   img->texture = NULL;
+   pipe_resource_reference(&img->texture, image->texture);
+   img->level = image->level;
+   img->layer = image->layer;
+   img->dri_format = image->dri_format;
+   /* This should be 0 for sub images, but dup is also used for base images. */
+   img->dri_components = image->dri_components;
+   img->loader_private = loaderPrivate;
+
+   return img;
+}
+
+static GLboolean
+dri2_validate_usage(__DRIimage *image, unsigned int use)
+{
+   /*
+    * Gallium drivers are bad at adding usages to the resources
+    * once opened again in another process, which is the main use
+    * case for this, so we have to lie.
+    */
+   if (image != NULL)
+      return GL_TRUE;
+   else
+      return GL_FALSE;
+}
+
+static __DRIimage *
+dri2_from_names(__DRIscreen *screen, int width, int height, int format,
+                int *names, int num_names, int *strides, int *offsets,
+                void *loaderPrivate)
+{
+   __DRIimage *img;
+   int stride, dri_components;
+
+   if (num_names != 1)
+      return NULL;
+   if (offsets[0] != 0)
+      return NULL;
+
+   format = convert_fourcc(format, &dri_components);
+   if (format == -1)
+      return NULL;
+
+   /* Strides are in bytes not pixels. */
+   stride = strides[0] /4;
+
+   img = dri2_create_image_from_name(screen, width, height, format,
+                                     names[0], stride, loaderPrivate);
+   if (img == NULL)
+      return NULL;
+
+   img->dri_components = dri_components;
+   return img;
+}
+
+static __DRIimage *
+dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate)
+{
+   __DRIimage *img;
+
+   if (plane != 0)
+      return NULL;
+
+   if (image->dri_components == 0)
+      return NULL;
+
+   img = dri2_dup_image(image, loaderPrivate);
+   if (img == NULL)
+      return NULL;
+
+   /* set this to 0 for sub images. */
+   img->dri_components = 0;
+   return img;
+}
+
+static __DRIimage *
+dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
+                         int depth, int level, unsigned *error,
+                         void *loaderPrivate)
+{
+   __DRIimage *img;
+   struct gl_context *ctx = ((struct st_context *)dri_context(context)->st)->ctx;
+   struct gl_texture_object *obj;
+   struct pipe_resource *tex;
+   GLuint face = 0;
+
+   obj = _mesa_lookup_texture(ctx, texture);
+   if (!obj || obj->Target != target) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      return NULL;
+   }
+
+   tex = st_get_texobj_resource(obj);
+   if (!tex) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      return NULL;
+   }
+
+   if (target == GL_TEXTURE_CUBE_MAP)
+      face = depth;
+
+   _mesa_test_texobj_completeness(ctx, obj);
+   if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      return NULL;
+   }
+
+   if (level < obj->BaseLevel || level > obj->_MaxLevel) {
+      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+      return NULL;
+   }
+
+   if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < depth) {
+      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+      return NULL;
+   }
+
+   img = CALLOC_STRUCT(__DRIimageRec);
+   if (!img) {
+      *error = __DRI_IMAGE_ERROR_BAD_ALLOC;
+      return NULL;
+   }
+
+   img->level = level;
+   img->layer = depth;
+   img->dri_format = driGLFormatToImageFormat(obj->Image[face][level]->TexFormat);
+
+   img->loader_private = loaderPrivate;
+
+   if (img->dri_format == __DRI_IMAGE_FORMAT_NONE) {
+      *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+      free(img);
+      return NULL;
+   }
+
+   pipe_resource_reference(&img->texture, tex);
+
+   *error = __DRI_IMAGE_ERROR_SUCCESS;
+   return img;
+}
+
+static __DRIimage *
+dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc,
+              int *fds, int num_fds, int *strides, int *offsets,
+              void *loaderPrivate)
+{
+   __DRIimage *img;
+   int format, stride, dri_components;
+
+   if (num_fds != 1)
+      return NULL;
+   if (offsets[0] != 0)
+      return NULL;
+
+   format = convert_fourcc(fourcc, &dri_components);
+   if (format == -1)
+      return NULL;
+
+   /* Strides are in bytes not pixels. */
+   stride = strides[0] /4;
+
+   img = dri2_create_image_from_fd(screen, width, height, format,
+                                   fds[0], stride, loaderPrivate);
+   if (img == NULL)
+      return NULL;
+
+   img->dri_components = dri_components;
+   return img;
+}
+
+static __DRIimage *
+dri2_from_dma_bufs(__DRIscreen *screen,
+                   int width, int height, int fourcc,
+                   int *fds, int num_fds,
+                   int *strides, int *offsets,
+                   enum __DRIYUVColorSpace yuv_color_space,
+                   enum __DRISampleRange sample_range,
+                   enum __DRIChromaSiting horizontal_siting,
+                   enum __DRIChromaSiting vertical_siting,
+                   unsigned *error,
+                   void *loaderPrivate)
+{
+   __DRIimage *img;
+   int format, stride, dri_components;
+
+   if (num_fds != 1 || offsets[0] != 0) {
+      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+      return NULL;
+   }
+
+   format = convert_fourcc(fourcc, &dri_components);
+   if (format == -1) {
+      *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+      return NULL;
+   }
+
+   /* Strides are in bytes not pixels. */
+   stride = strides[0] /4;
+
+   img = dri2_create_image_from_fd(screen, width, height, format,
+                                   fds[0], stride, loaderPrivate);
+   if (img == NULL) {
+      *error = __DRI_IMAGE_ERROR_BAD_ALLOC;
+      return NULL;
+   }
+
+   img->yuv_color_space = yuv_color_space;
+   img->sample_range = sample_range;
+   img->horizontal_siting = horizontal_siting;
+   img->vertical_siting = vertical_siting;
+   img->dri_components = dri_components;
+
+   *error = __DRI_IMAGE_ERROR_SUCCESS;
+   return img;
+}
+
+static void
+dri2_blit_image(__DRIcontext *context, __DRIimage *dst, __DRIimage *src,
+                int dstx0, int dsty0, int dstwidth, int dstheight,
+                int srcx0, int srcy0, int srcwidth, int srcheight,
+                int flush_flag)
+{
+   struct dri_context *ctx = dri_context(context);
+   struct pipe_context *pipe = ctx->st->pipe;
+   struct pipe_screen *screen;
+   struct pipe_fence_handle *fence;
+   struct pipe_blit_info blit;
+
+   if (!dst || !src)
+      return;
+
+   memset(&blit, 0, sizeof(blit));
+   blit.dst.resource = dst->texture;
+   blit.dst.box.x = dstx0;
+   blit.dst.box.y = dsty0;
+   blit.dst.box.width = dstwidth;
+   blit.dst.box.height = dstheight;
+   blit.dst.box.depth = 1;
+   blit.dst.format = dst->texture->format;
+   blit.src.resource = src->texture;
+   blit.src.box.x = srcx0;
+   blit.src.box.y = srcy0;
+   blit.src.box.width = srcwidth;
+   blit.src.box.height = srcheight;
+   blit.src.box.depth = 1;
+   blit.src.format = src->texture->format;
+   blit.mask = PIPE_MASK_RGBA;
+   blit.filter = PIPE_TEX_FILTER_NEAREST;
+
+   pipe->blit(pipe, &blit);
+
+   if (flush_flag == __BLIT_FLAG_FLUSH) {
+      pipe->flush_resource(pipe, dst->texture);
+      ctx->st->flush(ctx->st, 0, NULL);
+   } else if (flush_flag == __BLIT_FLAG_FINISH) {
+      screen = dri_screen(ctx->sPriv)->base.screen;
+      pipe->flush_resource(pipe, dst->texture);
+      ctx->st->flush(ctx->st, 0, &fence);
+      (void) screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE);
+      screen->fence_reference(screen, &fence, NULL);
+   }
+}
+
+static void
+dri2_destroy_image(__DRIimage *img)
+{
+   pipe_resource_reference(&img->texture, NULL);
+   FREE(img);
+}
+
+static int
+dri2_get_capabilities(__DRIscreen *_screen)
+{
+   struct dri_screen *screen = dri_screen(_screen);
+
+   return (screen->can_share_buffer ? __DRI_IMAGE_CAP_GLOBAL_NAMES : 0);
+}
+
+/* The extension is modified during runtime if DRI_PRIME is detected */
+static __DRIimageExtension dri2ImageExtension = {
+    .base = { __DRI_IMAGE, 11 },
+
+    .createImageFromName          = dri2_create_image_from_name,
+    .createImageFromRenderbuffer  = dri2_create_image_from_renderbuffer,
+    .destroyImage                 = dri2_destroy_image,
+    .createImage                  = dri2_create_image,
+    .queryImage                   = dri2_query_image,
+    .dupImage                     = dri2_dup_image,
+    .validateUsage                = dri2_validate_usage,
+    .createImageFromNames         = dri2_from_names,
+    .fromPlanar                   = dri2_from_planar,
+    .createImageFromTexture       = dri2_create_from_texture,
+    .createImageFromFds           = NULL,
+    .createImageFromDmaBufs       = NULL,
+    .blitImage                    = dri2_blit_image,
+    .getCapabilities              = dri2_get_capabilities,
+};
+
+
+static bool
+dri2_is_opencl_interop_loaded_locked(struct dri_screen *screen)
+{
+   return screen->opencl_dri_event_add_ref &&
+          screen->opencl_dri_event_release &&
+          screen->opencl_dri_event_wait &&
+          screen->opencl_dri_event_get_fence;
+}
+
+static bool
+dri2_load_opencl_interop(struct dri_screen *screen)
+{
+#if defined(RTLD_DEFAULT)
+   bool success;
+
+   pipe_mutex_lock(screen->opencl_func_mutex);
+
+   if (dri2_is_opencl_interop_loaded_locked(screen)) {
+      pipe_mutex_unlock(screen->opencl_func_mutex);
+      return true;
+   }
+
+   screen->opencl_dri_event_add_ref =
+      dlsym(RTLD_DEFAULT, "opencl_dri_event_add_ref");
+   screen->opencl_dri_event_release =
+      dlsym(RTLD_DEFAULT, "opencl_dri_event_release");
+   screen->opencl_dri_event_wait =
+      dlsym(RTLD_DEFAULT, "opencl_dri_event_wait");
+   screen->opencl_dri_event_get_fence =
+      dlsym(RTLD_DEFAULT, "opencl_dri_event_get_fence");
+
+   success = dri2_is_opencl_interop_loaded_locked(screen);
+   pipe_mutex_unlock(screen->opencl_func_mutex);
+   return success;
+#else
+   return false;
+#endif
+}
+
+struct dri2_fence {
+   struct dri_screen *driscreen;
+   struct pipe_fence_handle *pipe_fence;
+   void *cl_event;
+};
+
+static void *
+dri2_create_fence(__DRIcontext *_ctx)
+{
+   struct pipe_context *ctx = dri_context(_ctx)->st->pipe;
+   struct dri2_fence *fence = CALLOC_STRUCT(dri2_fence);
+
+   if (!fence)
+      return NULL;
+
+   ctx->flush(ctx, &fence->pipe_fence, 0);
+
+   if (!fence->pipe_fence) {
+      FREE(fence);
+      return NULL;
+   }
+
+   fence->driscreen = dri_screen(_ctx->driScreenPriv);
+   return fence;
+}
+
+static void *
+dri2_get_fence_from_cl_event(__DRIscreen *_screen, intptr_t cl_event)
+{
+   struct dri_screen *driscreen = dri_screen(_screen);
+   struct dri2_fence *fence;
+
+   if (!dri2_load_opencl_interop(driscreen))
+      return NULL;
+
+   fence = CALLOC_STRUCT(dri2_fence);
+   if (!fence)
+      return NULL;
+
+   fence->cl_event = (void*)cl_event;
+
+   if (!driscreen->opencl_dri_event_add_ref(fence->cl_event)) {
+      free(fence);
+      return NULL;
+   }
+
+   fence->driscreen = driscreen;
+   return fence;
+}
+
+static void
+dri2_destroy_fence(__DRIscreen *_screen, void *_fence)
+{
+   struct dri_screen *driscreen = dri_screen(_screen);
+   struct pipe_screen *screen = driscreen->base.screen;
+   struct dri2_fence *fence = (struct dri2_fence*)_fence;
+
+   if (fence->pipe_fence)
+      screen->fence_reference(screen, &fence->pipe_fence, NULL);
+   else if (fence->cl_event)
+      driscreen->opencl_dri_event_release(fence->cl_event);
+   else
+      assert(0);
+
+   FREE(fence);
+}
+
+static GLboolean
+dri2_client_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags,
+                      uint64_t timeout)
+{
+   struct dri2_fence *fence = (struct dri2_fence*)_fence;
+   struct dri_screen *driscreen = fence->driscreen;
+   struct pipe_screen *screen = driscreen->base.screen;
+
+   /* No need to flush. The context was flushed when the fence was created. */
+
+   if (fence->pipe_fence)
+      return screen->fence_finish(screen, fence->pipe_fence, timeout);
+   else if (fence->cl_event) {
+      struct pipe_fence_handle *pipe_fence =
+         driscreen->opencl_dri_event_get_fence(fence->cl_event);
+
+      if (pipe_fence)
+         return screen->fence_finish(screen, pipe_fence, timeout);
+      else
+         return driscreen->opencl_dri_event_wait(fence->cl_event, timeout);
+   }
+   else {
+      assert(0);
+      return false;
+   }
+}
+
+static void
+dri2_server_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags)
+{
+   /* AFAIK, no driver currently supports parallel context execution. */
+}
+
+static __DRI2fenceExtension dri2FenceExtension = {
+   .base = { __DRI2_FENCE, 1 },
+
+   .create_fence = dri2_create_fence,
+   .get_fence_from_cl_event = dri2_get_fence_from_cl_event,
+   .destroy_fence = dri2_destroy_fence,
+   .client_wait_sync = dri2_client_wait_sync,
+   .server_wait_sync = dri2_server_wait_sync
+};
+
+static const __DRIrobustnessExtension dri2Robustness = {
+   .base = { __DRI2_ROBUSTNESS, 1 }
+};
+
+/*
+ * Backend function init_screen.
+ */
+
+static const __DRIextension *dri_screen_extensions[] = {
+   &driTexBufferExtension.base,
+   &dri2FlushExtension.base,
+   &dri2ImageExtension.base,
+   &dri2RendererQueryExtension.base,
+   &dri2ConfigQueryExtension.base,
+   &dri2ThrottleExtension.base,
+   &dri2FenceExtension.base,
+   NULL
+};
+
+static const __DRIextension *dri_robust_screen_extensions[] = {
+   &driTexBufferExtension.base,
+   &dri2FlushExtension.base,
+   &dri2ImageExtension.base,
+   &dri2RendererQueryExtension.base,
+   &dri2ConfigQueryExtension.base,
+   &dri2ThrottleExtension.base,
+   &dri2FenceExtension.base,
+   &dri2Robustness.base,
+   NULL
+};
+
+/**
+ * This is the driver specific part of the createNewScreen entry point.
+ *
+ * Returns the struct gl_config supported by this driver.
+ */
+static const __DRIconfig **
+dri2_init_screen(__DRIscreen * sPriv)
+{
+   const __DRIconfig **configs;
+   struct dri_screen *screen;
+   struct pipe_screen *pscreen = NULL;
+   const struct drm_conf_ret *throttle_ret = NULL;
+   const struct drm_conf_ret *dmabuf_ret = NULL;
+
+   screen = CALLOC_STRUCT(dri_screen);
+   if (!screen)
+      return NULL;
+
+   screen->sPriv = sPriv;
+   screen->fd = sPriv->fd;
+   pipe_mutex_init(screen->opencl_func_mutex);
+
+   sPriv->driverPrivate = (void *)screen;
+
+#if GALLIUM_STATIC_TARGETS
+   pscreen = dd_create_screen(screen->fd);
+
+   throttle_ret = dd_configuration(DRM_CONF_THROTTLE);
+   dmabuf_ret = dd_configuration(DRM_CONF_SHARE_FD);
+#else
+   if (pipe_loader_drm_probe_fd(&screen->dev, screen->fd)) {
+      pscreen = pipe_loader_create_screen(screen->dev, PIPE_SEARCH_DIR);
+
+      throttle_ret = pipe_loader_configuration(screen->dev, DRM_CONF_THROTTLE);
+      dmabuf_ret = pipe_loader_configuration(screen->dev, DRM_CONF_SHARE_FD);
+   }
+#endif // GALLIUM_STATIC_TARGETS
+
+   if (throttle_ret && throttle_ret->val.val_int != -1) {
+      screen->throttling_enabled = TRUE;
+      screen->default_throttle_frames = throttle_ret->val.val_int;
+   }
+
+   if (dmabuf_ret && dmabuf_ret->val.val_bool) {
+      uint64_t cap;
+
+      if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
+          (cap & DRM_PRIME_CAP_IMPORT)) {
+         dri2ImageExtension.createImageFromFds = dri2_from_fds;
+         dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
+      }
+   }
+
+   if (pscreen && pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
+      sPriv->extensions = dri_robust_screen_extensions;
+      screen->has_reset_status_query = true;
+   }
+   else
+      sPriv->extensions = dri_screen_extensions;
+
+   /* dri_init_screen_helper checks pscreen for us */
+
+#if GALLIUM_STATIC_TARGETS
+   configs = dri_init_screen_helper(screen, pscreen, dd_driver_name());
+#else
+   configs = dri_init_screen_helper(screen, pscreen, screen->dev->driver_name);
+#endif // GALLIUM_STATIC_TARGETS
+   if (!configs)
+      goto fail;
+
+   screen->can_share_buffer = true;
+   screen->auto_fake_front = dri_with_format(sPriv);
+   screen->broken_invalidate = !sPriv->dri2.useInvalidate;
+   screen->lookup_egl_image = dri2_lookup_egl_image;
+
+   return configs;
+fail:
+   dri_destroy_screen_helper(screen);
+#if !GALLIUM_STATIC_TARGETS
+   if (screen->dev)
+      pipe_loader_release(&screen->dev, 1);
+#endif // !GALLIUM_STATIC_TARGETS
+   FREE(screen);
+   return NULL;
+}
+
+/**
+ * This is the driver specific part of the createNewScreen entry point.
+ *
+ * Returns the struct gl_config supported by this driver.
+ */
+static const __DRIconfig **
+dri_kms_init_screen(__DRIscreen * sPriv)
+{
+#if GALLIUM_STATIC_TARGETS
+#if defined(GALLIUM_SOFTPIPE)
+   const __DRIconfig **configs;
+   struct dri_screen *screen;
+   struct pipe_screen *pscreen = NULL;
+   uint64_t cap;
+
+   screen = CALLOC_STRUCT(dri_screen);
+   if (!screen)
+      return NULL;
+
+   screen->sPriv = sPriv;
+   screen->fd = sPriv->fd;
+
+   sPriv->driverPrivate = (void *)screen;
+
+   pscreen = kms_swrast_create_screen(screen->fd);
+
+   if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
+          (cap & DRM_PRIME_CAP_IMPORT)) {
+      dri2ImageExtension.createImageFromFds = dri2_from_fds;
+      dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
+   }
+
+   sPriv->extensions = dri_screen_extensions;
+
+   /* dri_init_screen_helper checks pscreen for us */
+   configs = dri_init_screen_helper(screen, pscreen, "swrast");
+   if (!configs)
+      goto fail;
+
+   screen->can_share_buffer = false;
+   screen->auto_fake_front = dri_with_format(sPriv);
+   screen->broken_invalidate = !sPriv->dri2.useInvalidate;
+   screen->lookup_egl_image = dri2_lookup_egl_image;
+
+   return configs;
+fail:
+   dri_destroy_screen_helper(screen);
+   FREE(screen);
+#endif // GALLIUM_SOFTPIPE
+#endif // GALLIUM_STATIC_TARGETS
+   return NULL;
+}
+
+static boolean
+dri2_create_buffer(__DRIscreen * sPriv,
+                   __DRIdrawable * dPriv,
+                   const struct gl_config * visual, boolean isPixmap)
+{
+   struct dri_drawable *drawable = NULL;
+
+   if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
+      return FALSE;
+
+   drawable = dPriv->driverPrivate;
+
+   drawable->allocate_textures = dri2_allocate_textures;
+   drawable->flush_frontbuffer = dri2_flush_frontbuffer;
+   drawable->update_tex_buffer = dri2_update_tex_buffer;
+
+   return TRUE;
+}
+
+/**
+ * DRI driver virtual function table.
+ *
+ * DRI versions differ in their implementation of init_screen and swap_buffers.
+ */
+const struct __DriverAPIRec galliumdrm_driver_api = {
+   .InitScreen = dri2_init_screen,
+   .DestroyScreen = dri_destroy_screen,
+   .CreateContext = dri_create_context,
+   .DestroyContext = dri_destroy_context,
+   .CreateBuffer = dri2_create_buffer,
+   .DestroyBuffer = dri_destroy_buffer,
+   .MakeCurrent = dri_make_current,
+   .UnbindContext = dri_unbind_context,
+
+   .AllocateBuffer = dri2_allocate_buffer,
+   .ReleaseBuffer  = dri2_release_buffer,
+};
+
+/**
+ * DRI driver virtual function table.
+ *
+ * KMS/DRM version of the DriverAPI above sporting a different InitScreen
+ * hook. The latter is used to explicitly initialise the kms_swrast driver
+ * rather than selecting the approapriate driver as suggested by the loader.
+ */
+const struct __DriverAPIRec dri_kms_driver_api = {
+   .InitScreen = dri_kms_init_screen,
+   .DestroyScreen = dri_destroy_screen,
+   .CreateContext = dri_create_context,
+   .DestroyContext = dri_destroy_context,
+   .CreateBuffer = dri2_create_buffer,
+   .DestroyBuffer = dri_destroy_buffer,
+   .MakeCurrent = dri_make_current,
+   .UnbindContext = dri_unbind_context,
+
+   .AllocateBuffer = dri2_allocate_buffer,
+   .ReleaseBuffer  = dri2_release_buffer,
+};
+
+/* This is the table of extensions that the loader will dlsym() for. */
+const __DRIextension *galliumdrm_driver_extensions[] = {
+    &driCoreExtension.base,
+    &driImageDriverExtension.base,
+    &driDRI2Extension.base,
+    &gallium_config_options.base,
+    NULL
+};
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri2_buffer.h b/lib/mesa/src/gallium/state_trackers/dri/dri2_buffer.h
new file mode 100644
index 000000000..0cee4e906
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri2_buffer.h
@@ -0,0 +1,22 @@
+#ifndef DRI2_BUFFER_H
+#define DRI2_BUFFER_H
+
+#include "dri_util.h"
+
+struct pipe_surface;
+
+struct dri2_buffer
+{
+   __DRIbuffer base;
+   struct pipe_resource *resource;
+};
+
+static inline struct dri2_buffer *
+dri2_buffer(__DRIbuffer * driBufferPriv)
+{
+   return (struct dri2_buffer *) driBufferPriv;
+}
+
+#endif
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_context.c b/lib/mesa/src/gallium/state_trackers/dri/dri_context.c
new file mode 100644
index 000000000..3d8af65ca
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_context.c
@@ -0,0 +1,267 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Author: Keith Whitwell <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+#include "utils.h"
+
+#include "dri_screen.h"
+#include "dri_drawable.h"
+#include "dri_context.h"
+#include "state_tracker/drm_driver.h"
+
+#include "pipe/p_context.h"
+#include "state_tracker/st_context.h"
+
+GLboolean
+dri_create_context(gl_api api, const struct gl_config * visual,
+		   __DRIcontext * cPriv,
+		   unsigned major_version,
+		   unsigned minor_version,
+		   uint32_t flags,
+                   bool notify_reset,
+		   unsigned *error,
+		   void *sharedContextPrivate)
+{
+   __DRIscreen *sPriv = cPriv->driScreenPriv;
+   struct dri_screen *screen = dri_screen(sPriv);
+   struct st_api *stapi = screen->st_api;
+   struct dri_context *ctx = NULL;
+   struct st_context_iface *st_share = NULL;
+   struct st_context_attribs attribs;
+   enum st_context_error ctx_err = 0;
+   unsigned allowed_flags = __DRI_CTX_FLAG_DEBUG |
+                            __DRI_CTX_FLAG_FORWARD_COMPATIBLE;
+
+   if (screen->has_reset_status_query)
+      allowed_flags |= __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS;
+
+   if (flags & ~allowed_flags) {
+      *error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
+      goto fail;
+   }
+
+   if (!screen->has_reset_status_query && notify_reset) {
+      *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+      goto fail;
+   }
+
+   memset(&attribs, 0, sizeof(attribs));
+   switch (api) {
+   case API_OPENGLES:
+      attribs.profile = ST_PROFILE_OPENGL_ES1;
+      break;
+   case API_OPENGLES2:
+      attribs.profile = ST_PROFILE_OPENGL_ES2;
+      break;
+   case API_OPENGL_COMPAT:
+   case API_OPENGL_CORE:
+      attribs.profile = api == API_OPENGL_COMPAT ? ST_PROFILE_DEFAULT
+                                                 : ST_PROFILE_OPENGL_CORE;
+      attribs.major = major_version;
+      attribs.minor = minor_version;
+
+      if ((flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0)
+	 attribs.flags |= ST_CONTEXT_FLAG_FORWARD_COMPATIBLE;
+      break;
+   default:
+      *error = __DRI_CTX_ERROR_BAD_API;
+      goto fail;
+   }
+
+   if ((flags & __DRI_CTX_FLAG_DEBUG) != 0)
+      attribs.flags |= ST_CONTEXT_FLAG_DEBUG;
+
+   if (flags & __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS)
+      attribs.flags |= ST_CONTEXT_FLAG_ROBUST_ACCESS;
+
+   if (notify_reset)
+      attribs.flags |= ST_CONTEXT_FLAG_RESET_NOTIFICATION_ENABLED;
+
+   if (sharedContextPrivate) {
+      st_share = ((struct dri_context *)sharedContextPrivate)->st;
+   }
+
+   ctx = CALLOC_STRUCT(dri_context);
+   if (ctx == NULL) {
+      *error = __DRI_CTX_ERROR_NO_MEMORY;
+      goto fail;
+   }
+
+   cPriv->driverPrivate = ctx;
+   ctx->cPriv = cPriv;
+   ctx->sPriv = sPriv;
+
+   attribs.options = screen->options;
+   dri_fill_st_visual(&attribs.visual, screen, visual);
+   ctx->st = stapi->create_context(stapi, &screen->base, &attribs, &ctx_err,
+				   st_share);
+   if (ctx->st == NULL) {
+      switch (ctx_err) {
+      case ST_CONTEXT_SUCCESS:
+	 *error = __DRI_CTX_ERROR_SUCCESS;
+	 break;
+      case ST_CONTEXT_ERROR_NO_MEMORY:
+	 *error = __DRI_CTX_ERROR_NO_MEMORY;
+	 break;
+      case ST_CONTEXT_ERROR_BAD_API:
+	 *error = __DRI_CTX_ERROR_BAD_API;
+	 break;
+      case ST_CONTEXT_ERROR_BAD_VERSION:
+	 *error = __DRI_CTX_ERROR_BAD_VERSION;
+	 break;
+      case ST_CONTEXT_ERROR_BAD_FLAG:
+	 *error = __DRI_CTX_ERROR_BAD_FLAG;
+	 break;
+      case ST_CONTEXT_ERROR_UNKNOWN_ATTRIBUTE:
+	 *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+	 break;
+      case ST_CONTEXT_ERROR_UNKNOWN_FLAG:
+	 *error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
+	 break;
+      }
+      goto fail;
+   }
+   ctx->st->st_manager_private = (void *) ctx;
+   ctx->stapi = stapi;
+
+   if (ctx->st->cso_context) {
+      ctx->pp = pp_init(ctx->st->pipe, screen->pp_enabled, ctx->st->cso_context);
+      ctx->hud = hud_create(ctx->st->pipe, ctx->st->cso_context);
+   }
+
+   *error = __DRI_CTX_ERROR_SUCCESS;
+   return GL_TRUE;
+
+ fail:
+   if (ctx && ctx->st)
+      ctx->st->destroy(ctx->st);
+
+   free(ctx);
+   return GL_FALSE;
+}
+
+void
+dri_destroy_context(__DRIcontext * cPriv)
+{
+   struct dri_context *ctx = dri_context(cPriv);
+
+   if (ctx->hud) {
+      hud_destroy(ctx->hud);
+   }
+
+   if (ctx->pp)
+      pp_free(ctx->pp);
+
+   /* No particular reason to wait for command completion before
+    * destroying a context, but we flush the context here
+    * to avoid having to add code elsewhere to cope with flushing a
+    * partially destroyed context.
+    */
+   ctx->st->flush(ctx->st, 0, NULL);
+   ctx->st->destroy(ctx->st);
+   free(ctx);
+}
+
+GLboolean
+dri_unbind_context(__DRIcontext * cPriv)
+{
+   /* dri_util.c ensures cPriv is not null */
+   struct dri_screen *screen = dri_screen(cPriv->driScreenPriv);
+   struct dri_context *ctx = dri_context(cPriv);
+   struct st_api *stapi = screen->st_api;
+
+   if (--ctx->bind_count == 0) {
+      if (ctx->st == ctx->stapi->get_current(ctx->stapi)) {
+         /* For conformance, unbind is supposed to flush the context.
+          * However, if we do it here we might end up flushing a partially
+          * destroyed context. Instead, we flush in dri_make_current and
+          * in dri_destroy_context which should cover all the cases.
+          */
+         stapi->make_current(stapi, NULL, NULL, NULL);
+      }
+   }
+
+   return GL_TRUE;
+}
+
+GLboolean
+dri_make_current(__DRIcontext * cPriv,
+		 __DRIdrawable * driDrawPriv,
+		 __DRIdrawable * driReadPriv)
+{
+   /* dri_util.c ensures cPriv is not null */
+   struct dri_context *ctx = dri_context(cPriv);
+   struct dri_drawable *draw = dri_drawable(driDrawPriv);
+   struct dri_drawable *read = dri_drawable(driReadPriv);
+   struct st_context_iface *old_st = ctx->stapi->get_current(ctx->stapi);
+
+   /* Flush the old context here so we don't have to flush on unbind() */
+   if (old_st && old_st != ctx->st)
+      old_st->flush(old_st, ST_FLUSH_FRONT, NULL);
+
+   ++ctx->bind_count;
+
+   if (!draw && !read)
+      return ctx->stapi->make_current(ctx->stapi, ctx->st, NULL, NULL);
+   else if (!draw || !read)
+      return GL_FALSE;
+
+   if (ctx->dPriv != driDrawPriv) {
+      ctx->dPriv = driDrawPriv;
+      draw->texture_stamp = driDrawPriv->lastStamp - 1;
+   }
+   if (ctx->rPriv != driReadPriv) {
+      ctx->rPriv = driReadPriv;
+      read->texture_stamp = driReadPriv->lastStamp - 1;
+   }
+
+   ctx->stapi->make_current(ctx->stapi, ctx->st, &draw->base, &read->base);
+
+   /* This is ok to call here. If they are already init, it's a no-op. */
+   if (ctx->pp && draw->textures[ST_ATTACHMENT_BACK_LEFT])
+      pp_init_fbos(ctx->pp, draw->textures[ST_ATTACHMENT_BACK_LEFT]->width0,
+                   draw->textures[ST_ATTACHMENT_BACK_LEFT]->height0);
+
+   return GL_TRUE;
+}
+
+struct dri_context *
+dri_get_current(__DRIscreen *sPriv)
+{
+   struct dri_screen *screen = dri_screen(sPriv);
+   struct st_api *stapi = screen->st_api;
+   struct st_context_iface *st;
+
+   st = stapi->get_current(stapi);
+
+   return (struct dri_context *) st ? st->st_manager_private : NULL;
+}
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_context.h b/lib/mesa/src/gallium/state_trackers/dri/dri_context.h
new file mode 100644
index 000000000..96f06442f
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_context.h
@@ -0,0 +1,98 @@
+/**************************************************************************
+ *
+ * Copyright (C) 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Author: Keith Whitwell <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+#ifndef DRI_CONTEXT_H
+#define DRI_CONTEXT_H
+
+#include "dri_util.h"
+#include "pipe/p_compiler.h"
+#include "hud/hud_context.h"
+
+struct pipe_context;
+struct pipe_fence;
+struct st_api;
+struct st_context_iface;
+struct dri_drawable;
+
+struct dri_context
+{
+   /* dri */
+   __DRIscreen *sPriv;
+   __DRIcontext *cPriv;
+   __DRIdrawable *dPriv;
+   __DRIdrawable *rPriv;
+
+   unsigned int bind_count;
+
+   /* gallium */
+   struct st_api *stapi;
+   struct st_context_iface *st;
+   struct pp_queue_t *pp;
+   struct hud_context *hud;
+};
+
+static inline struct dri_context *
+dri_context(__DRIcontext * driContextPriv)
+{
+   if (!driContextPriv)
+     return NULL;
+   return (struct dri_context *)driContextPriv->driverPrivate;
+}
+
+/***********************************************************************
+ * dri_context.c
+ */
+void dri_destroy_context(__DRIcontext * driContextPriv);
+
+boolean dri_unbind_context(__DRIcontext * driContextPriv);
+
+boolean
+dri_make_current(__DRIcontext * driContextPriv,
+		 __DRIdrawable * driDrawPriv,
+		 __DRIdrawable * driReadPriv);
+
+struct dri_context *
+dri_get_current(__DRIscreen * driScreenPriv);
+
+boolean
+dri_create_context(gl_api api,
+		   const struct gl_config * visual,
+		   __DRIcontext * driContextPriv,
+		   unsigned major_version,
+		   unsigned minor_version,
+		   uint32_t flags,
+		   bool notify_reset,
+		   unsigned *error,
+		   void *sharedContextPrivate);
+
+#endif
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_drawable.c b/lib/mesa/src/gallium/state_trackers/dri/dri_drawable.c
new file mode 100644
index 000000000..f0cc4a2a3
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_drawable.c
@@ -0,0 +1,582 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Author: Keith Whitwell <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_drawable.h"
+
+#include "pipe/p_screen.h"
+#include "util/u_format.h"
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+
+static void
+swap_fences_unref(struct dri_drawable *draw);
+
+static boolean
+dri_st_framebuffer_validate(struct st_context_iface *stctx,
+                            struct st_framebuffer_iface *stfbi,
+                            const enum st_attachment_type *statts,
+                            unsigned count,
+                            struct pipe_resource **out)
+{
+   struct dri_context *ctx = (struct dri_context *)stctx->st_manager_private;
+   struct dri_drawable *drawable =
+      (struct dri_drawable *) stfbi->st_manager_private;
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
+   unsigned statt_mask, new_mask;
+   boolean new_stamp;
+   int i;
+   unsigned int lastStamp;
+   struct pipe_resource **textures =
+      drawable->stvis.samples > 1 ? drawable->msaa_textures
+                                  : drawable->textures;
+
+   statt_mask = 0x0;
+   for (i = 0; i < count; i++)
+      statt_mask |= (1 << statts[i]);
+
+   /* record newly allocated textures */
+   new_mask = (statt_mask & ~drawable->texture_mask);
+
+   /*
+    * dPriv->dri2.stamp is the server stamp.  dPriv->lastStamp is the
+    * client stamp.  It has the value of the server stamp when last
+    * checked.
+    */
+   do {
+      lastStamp = drawable->dPriv->lastStamp;
+      new_stamp = (drawable->texture_stamp != lastStamp);
+
+      if (new_stamp || new_mask || screen->broken_invalidate) {
+         if (new_stamp && drawable->update_drawable_info)
+            drawable->update_drawable_info(drawable);
+
+         drawable->allocate_textures(ctx, drawable, statts, count);
+
+         /* add existing textures */
+         for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+            if (textures[i])
+               statt_mask |= (1 << i);
+         }
+
+         drawable->texture_stamp = lastStamp;
+         drawable->texture_mask = statt_mask;
+      }
+   } while (lastStamp != drawable->dPriv->lastStamp);
+
+   if (!out)
+      return TRUE;
+
+   /* Set the window-system buffers for the state tracker. */
+   for (i = 0; i < count; i++) {
+      out[i] = NULL;
+      pipe_resource_reference(&out[i], textures[statts[i]]);
+   }
+
+   return TRUE;
+}
+
+static boolean
+dri_st_framebuffer_flush_front(struct st_context_iface *stctx,
+                               struct st_framebuffer_iface *stfbi,
+                               enum st_attachment_type statt)
+{
+   struct dri_context *ctx = (struct dri_context *)stctx->st_manager_private;
+   struct dri_drawable *drawable =
+      (struct dri_drawable *) stfbi->st_manager_private;
+
+   /* XXX remove this and just set the correct one on the framebuffer */
+   drawable->flush_frontbuffer(ctx, drawable, statt);
+
+   return TRUE;
+}
+
+/**
+ * This is called when we need to set up GL rendering to a new X window.
+ */
+boolean
+dri_create_buffer(__DRIscreen * sPriv,
+		  __DRIdrawable * dPriv,
+		  const struct gl_config * visual, boolean isPixmap)
+{
+   struct dri_screen *screen = sPriv->driverPrivate;
+   struct dri_drawable *drawable = NULL;
+
+   if (isPixmap)
+      goto fail;		       /* not implemented */
+
+   drawable = CALLOC_STRUCT(dri_drawable);
+   if (drawable == NULL)
+      goto fail;
+
+   dri_fill_st_visual(&drawable->stvis, screen, visual);
+
+   /* setup the st_framebuffer_iface */
+   drawable->base.visual = &drawable->stvis;
+   drawable->base.flush_front = dri_st_framebuffer_flush_front;
+   drawable->base.validate = dri_st_framebuffer_validate;
+   drawable->base.st_manager_private = (void *) drawable;
+
+   drawable->screen = screen;
+   drawable->sPriv = sPriv;
+   drawable->dPriv = dPriv;
+   drawable->desired_fences = screen->default_throttle_frames;
+   if (drawable->desired_fences > DRI_SWAP_FENCES_MAX)
+      drawable->desired_fences = DRI_SWAP_FENCES_MAX;
+
+   dPriv->driverPrivate = (void *)drawable;
+   p_atomic_set(&drawable->base.stamp, 1);
+
+   return GL_TRUE;
+fail:
+   FREE(drawable);
+   return GL_FALSE;
+}
+
+void
+dri_destroy_buffer(__DRIdrawable * dPriv)
+{
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   int i;
+
+   pipe_surface_reference(&drawable->drisw_surface, NULL);
+
+   for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+      pipe_resource_reference(&drawable->textures[i], NULL);
+   for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+      pipe_resource_reference(&drawable->msaa_textures[i], NULL);
+
+   swap_fences_unref(drawable);
+
+   FREE(drawable);
+}
+
+/**
+ * Validate the texture at an attachment.  Allocate the texture if it does not
+ * exist.  Used by the TFP extension.
+ */
+static void
+dri_drawable_validate_att(struct dri_context *ctx,
+                          struct dri_drawable *drawable,
+                          enum st_attachment_type statt)
+{
+   enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
+   unsigned i, count = 0;
+
+   /* check if buffer already exists */
+   if (drawable->texture_mask & (1 << statt))
+      return;
+
+   /* make sure DRI2 does not destroy existing buffers */
+   for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+      if (drawable->texture_mask & (1 << i)) {
+         statts[count++] = i;
+      }
+   }
+   statts[count++] = statt;
+
+   drawable->texture_stamp = drawable->dPriv->lastStamp - 1;
+
+   drawable->base.validate(ctx->st, &drawable->base, statts, count, NULL);
+}
+
+/**
+ * These are used for GLX_EXT_texture_from_pixmap
+ */
+static void
+dri_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
+                    GLint format, __DRIdrawable *dPriv)
+{
+   struct dri_context *ctx = dri_context(pDRICtx);
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   struct pipe_resource *pt;
+
+   dri_drawable_validate_att(ctx, drawable, ST_ATTACHMENT_FRONT_LEFT);
+
+   /* Use the pipe resource associated with the X drawable */
+   pt = drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
+
+   if (pt) {
+      enum pipe_format internal_format = pt->format;
+
+      if (format == __DRI_TEXTURE_FORMAT_RGB)  {
+         /* only need to cover the formats recognized by dri_fill_st_visual */
+         switch (internal_format) {
+         case PIPE_FORMAT_BGRA8888_UNORM:
+            internal_format = PIPE_FORMAT_BGRX8888_UNORM;
+            break;
+         case PIPE_FORMAT_ARGB8888_UNORM:
+            internal_format = PIPE_FORMAT_XRGB8888_UNORM;
+            break;
+         default:
+            break;
+         }
+      }
+
+      drawable->update_tex_buffer(drawable, ctx, pt);
+
+      ctx->st->teximage(ctx->st,
+            (target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT,
+            0, internal_format, pt, FALSE);
+   }
+}
+
+static void
+dri_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
+                   __DRIdrawable *dPriv)
+{
+   dri_set_tex_buffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
+}
+
+const __DRItexBufferExtension driTexBufferExtension = {
+   .base = { __DRI_TEX_BUFFER, 2 },
+
+   .setTexBuffer       = dri_set_tex_buffer,
+   .setTexBuffer2      = dri_set_tex_buffer2,
+   .releaseTexBuffer   = NULL,
+};
+
+/**
+ * Get the format and binding of an attachment.
+ */
+void
+dri_drawable_get_format(struct dri_drawable *drawable,
+                        enum st_attachment_type statt,
+                        enum pipe_format *format,
+                        unsigned *bind)
+{
+   switch (statt) {
+   case ST_ATTACHMENT_FRONT_LEFT:
+   case ST_ATTACHMENT_BACK_LEFT:
+   case ST_ATTACHMENT_FRONT_RIGHT:
+   case ST_ATTACHMENT_BACK_RIGHT:
+      /* Other pieces of the driver stack get confused and behave incorrectly
+       * when they get an sRGB drawable. st/mesa receives "drawable->stvis"
+       * though other means and handles it correctly, so we don't really need
+       * to use an sRGB format here.
+       */
+      *format = util_format_linear(drawable->stvis.color_format);
+      *bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+      break;
+   case ST_ATTACHMENT_DEPTH_STENCIL:
+      *format = drawable->stvis.depth_stencil_format;
+      *bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
+      break;
+   default:
+      *format = PIPE_FORMAT_NONE;
+      *bind = 0;
+      break;
+   }
+}
+
+
+/**
+ * swap_fences_pop_front - pull a fence from the throttle queue
+ *
+ * If the throttle queue is filled to the desired number of fences,
+ * pull fences off the queue until the number is less than the desired
+ * number of fences, and return the last fence pulled.
+ */
+static struct pipe_fence_handle *
+swap_fences_pop_front(struct dri_drawable *draw)
+{
+   struct pipe_screen *screen = draw->screen->base.screen;
+   struct pipe_fence_handle *fence = NULL;
+
+   if (draw->desired_fences == 0)
+      return NULL;
+
+   if (draw->cur_fences >= draw->desired_fences) {
+      screen->fence_reference(screen, &fence, draw->swap_fences[draw->tail]);
+      screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL);
+      draw->tail &= DRI_SWAP_FENCES_MASK;
+      --draw->cur_fences;
+   }
+   return fence;
+}
+
+
+/**
+ * swap_fences_push_back - push a fence onto the throttle queue
+ *
+ * push a fence onto the throttle queue and pull fences of the queue
+ * so that the desired number of fences are on the queue.
+ */
+static void
+swap_fences_push_back(struct dri_drawable *draw,
+		      struct pipe_fence_handle *fence)
+{
+   struct pipe_screen *screen = draw->screen->base.screen;
+
+   if (!fence || draw->desired_fences == 0)
+      return;
+
+   while(draw->cur_fences == draw->desired_fences)
+      swap_fences_pop_front(draw);
+
+   draw->cur_fences++;
+   screen->fence_reference(screen, &draw->swap_fences[draw->head++],
+			   fence);
+   draw->head &= DRI_SWAP_FENCES_MASK;
+}
+
+
+/**
+ * swap_fences_unref - empty the throttle queue
+ *
+ * pulls fences of the throttle queue until it is empty.
+ */
+static void
+swap_fences_unref(struct dri_drawable *draw)
+{
+   struct pipe_screen *screen = draw->screen->base.screen;
+
+   while(draw->cur_fences) {
+      screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL);
+      draw->tail &= DRI_SWAP_FENCES_MASK;
+      --draw->cur_fences;
+   }
+}
+
+void
+dri_pipe_blit(struct pipe_context *pipe,
+              struct pipe_resource *dst,
+              struct pipe_resource *src)
+{
+   struct pipe_blit_info blit;
+
+   if (!dst || !src)
+      return;
+
+   /* From the GL spec, version 4.2, section 4.1.11 (Additional Multisample
+    *  Fragment Operations):
+    *
+    *      If a framebuffer object is not bound, after all operations have
+    *      been completed on the multisample buffer, the sample values for
+    *      each color in the multisample buffer are combined to produce a
+    *      single color value, and that value is written into the
+    *      corresponding color buffers selected by DrawBuffer or
+    *      DrawBuffers. An implementation may defer the writing of the color
+    *      buffers until a later time, but the state of the framebuffer must
+    *      behave as if the color buffers were updated as each fragment was
+    *      processed. The method of combination is not specified. If the
+    *      framebuffer contains sRGB values, then it is recommended that the
+    *      an average of sample values is computed in a linearized space, as
+    *      for blending (see section 4.1.7).
+    *
+    * In other words, to do a resolve operation in a linear space, we have
+    * to set sRGB formats if the original resources were sRGB, so don't use
+    * util_format_linear.
+    */
+
+   memset(&blit, 0, sizeof(blit));
+   blit.dst.resource = dst;
+   blit.dst.box.width = dst->width0;
+   blit.dst.box.height = dst->height0;
+   blit.dst.box.depth = 1;
+   blit.dst.format = dst->format;
+   blit.src.resource = src;
+   blit.src.box.width = src->width0;
+   blit.src.box.height = src->height0;
+   blit.src.box.depth = 1;
+   blit.src.format = src->format;
+   blit.mask = PIPE_MASK_RGBA;
+   blit.filter = PIPE_TEX_FILTER_NEAREST;
+
+   pipe->blit(pipe, &blit);
+}
+
+static void
+dri_postprocessing(struct dri_context *ctx,
+                   struct dri_drawable *drawable,
+                   enum st_attachment_type att)
+{
+   struct pipe_resource *src = drawable->textures[att];
+   struct pipe_resource *zsbuf = drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL];
+
+   if (ctx->pp && src)
+      pp_run(ctx->pp, src, src, zsbuf);
+}
+
+/**
+ * DRI2 flush extension, the flush_with_flags function.
+ *
+ * \param context           the context
+ * \param drawable          the drawable to flush
+ * \param flags             a combination of _DRI2_FLUSH_xxx flags
+ * \param throttle_reason   the reason for throttling, 0 = no throttling
+ */
+void
+dri_flush(__DRIcontext *cPriv,
+          __DRIdrawable *dPriv,
+          unsigned flags,
+          enum __DRI2throttleReason reason)
+{
+   struct dri_context *ctx = dri_context(cPriv);
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   unsigned flush_flags;
+   boolean swap_msaa_buffers = FALSE;
+
+   if (!ctx) {
+      assert(0);
+      return;
+   }
+
+   if (drawable) {
+      /* prevent recursion */
+      if (drawable->flushing)
+         return;
+
+      drawable->flushing = TRUE;
+   }
+   else {
+      flags &= ~__DRI2_FLUSH_DRAWABLE;
+   }
+
+   /* Flush the drawable. */
+   if ((flags & __DRI2_FLUSH_DRAWABLE) &&
+       drawable->textures[ST_ATTACHMENT_BACK_LEFT]) {
+      struct pipe_context *pipe = ctx->st->pipe;
+
+      if (drawable->stvis.samples > 1 &&
+          reason == __DRI2_THROTTLE_SWAPBUFFER) {
+         /* Resolve the MSAA back buffer. */
+         dri_pipe_blit(ctx->st->pipe,
+                       drawable->textures[ST_ATTACHMENT_BACK_LEFT],
+                       drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]);
+
+         if (drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT] &&
+             drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT]) {
+            swap_msaa_buffers = TRUE;
+         }
+
+         /* FRONT_LEFT is resolved in drawable->flush_frontbuffer. */
+      }
+
+      dri_postprocessing(ctx, drawable, ST_ATTACHMENT_BACK_LEFT);
+
+      if (ctx->hud) {
+         hud_draw(ctx->hud, drawable->textures[ST_ATTACHMENT_BACK_LEFT]);
+      }
+
+      pipe->flush_resource(pipe, drawable->textures[ST_ATTACHMENT_BACK_LEFT]);
+
+      if (pipe->invalidate_resource &&
+          (flags & __DRI2_FLUSH_INVALIDATE_ANCILLARY)) {
+         pipe->invalidate_resource(pipe, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
+         pipe->invalidate_resource(pipe, drawable->msaa_textures[ST_ATTACHMENT_DEPTH_STENCIL]);
+      }
+   }
+
+   flush_flags = 0;
+   if (flags & __DRI2_FLUSH_CONTEXT)
+      flush_flags |= ST_FLUSH_FRONT;
+   if (reason == __DRI2_THROTTLE_SWAPBUFFER)
+      flush_flags |= ST_FLUSH_END_OF_FRAME;
+
+   /* Flush the context and throttle if needed. */
+   if (dri_screen(ctx->sPriv)->throttling_enabled &&
+       drawable &&
+       (reason == __DRI2_THROTTLE_SWAPBUFFER ||
+        reason == __DRI2_THROTTLE_FLUSHFRONT)) {
+      /* Throttle.
+       *
+       * This pulls a fence off the throttling queue and waits for it if the
+       * number of fences on the throttling queue has reached the desired
+       * number.
+       *
+       * Then flushes to insert a fence at the current rendering position, and
+       * pushes that fence on the queue. This requires that the st_context_iface
+       * flush method returns a fence even if there are no commands to flush.
+       */
+      struct pipe_screen *screen = drawable->screen->base.screen;
+      struct pipe_fence_handle *fence;
+
+      fence = swap_fences_pop_front(drawable);
+      if (fence) {
+         (void) screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE);
+         screen->fence_reference(screen, &fence, NULL);
+      }
+
+      ctx->st->flush(ctx->st, flush_flags, &fence);
+
+      if (fence) {
+         swap_fences_push_back(drawable, fence);
+         screen->fence_reference(screen, &fence, NULL);
+      }
+   }
+   else if (flags & (__DRI2_FLUSH_DRAWABLE | __DRI2_FLUSH_CONTEXT)) {
+      ctx->st->flush(ctx->st, flush_flags, NULL);
+   }
+
+   if (drawable) {
+      drawable->flushing = FALSE;
+   }
+
+   /* Swap the MSAA front and back buffers, so that reading
+    * from the front buffer after SwapBuffers returns what was
+    * in the back buffer.
+    */
+   if (swap_msaa_buffers) {
+      struct pipe_resource *tmp =
+         drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT];
+
+      drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT] =
+         drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT];
+      drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT] = tmp;
+
+      /* Now that we have swapped the buffers, this tells the state
+       * tracker to revalidate the framebuffer.
+       */
+      p_atomic_inc(&drawable->base.stamp);
+   }
+}
+
+/**
+ * dri_throttle - A DRI2ThrottleExtension throttling function.
+ */
+static void
+dri_throttle(__DRIcontext *cPriv, __DRIdrawable *dPriv,
+             enum __DRI2throttleReason reason)
+{
+   dri_flush(cPriv, dPriv, 0, reason);
+}
+
+
+const __DRI2throttleExtension dri2ThrottleExtension = {
+    .base = { __DRI2_THROTTLE, 1 },
+
+    .throttle          = dri_throttle,
+};
+
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_drawable.h b/lib/mesa/src/gallium/state_trackers/dri/dri_drawable.h
new file mode 100644
index 000000000..1f9842ea5
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_drawable.h
@@ -0,0 +1,128 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef DRI_DRAWABLE_H
+#define DRI_DRAWABLE_H
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_format.h"
+#include "state_tracker/st_api.h"
+
+struct pipe_surface;
+struct st_framebuffer;
+struct dri_context;
+
+#define DRI_SWAP_FENCES_MAX 4
+#define DRI_SWAP_FENCES_MASK 3
+#define DRI_SWAP_FENCES_DEFAULT 1
+
+struct dri_drawable
+{
+   struct st_framebuffer_iface base;
+   struct st_visual stvis;
+
+   struct dri_screen *screen;
+
+   /* dri */
+   __DRIdrawable *dPriv;
+   __DRIscreen *sPriv;
+
+   __DRIbuffer old[8];
+   unsigned old_num;
+   unsigned old_w;
+   unsigned old_h;
+
+   struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
+   struct pipe_resource *msaa_textures[ST_ATTACHMENT_COUNT];
+   unsigned int texture_mask, texture_stamp;
+
+   struct pipe_fence_handle *swap_fences[DRI_SWAP_FENCES_MAX];
+   unsigned int cur_fences;
+   unsigned int head;
+   unsigned int tail;
+   unsigned int desired_fences;
+   boolean flushing; /* prevents recursion in dri_flush */
+
+   /* used only by DRISW */
+   struct pipe_surface *drisw_surface;
+
+   /* hooks filled in by dri2 & drisw */
+   void (*allocate_textures)(struct dri_context *ctx,
+                             struct dri_drawable *drawable,
+                             const enum st_attachment_type *statts,
+                             unsigned count);
+
+   void (*update_drawable_info)(struct dri_drawable *drawable);
+
+   void (*flush_frontbuffer)(struct dri_context *ctx,
+                             struct dri_drawable *drawable,
+                             enum st_attachment_type statt);
+
+   void (*update_tex_buffer)(struct dri_drawable *drawable,
+                             struct dri_context *ctx,
+                             struct pipe_resource *res);
+};
+
+static inline struct dri_drawable *
+dri_drawable(__DRIdrawable * driDrawPriv)
+{
+   return (struct dri_drawable *) (driDrawPriv)
+      ? driDrawPriv->driverPrivate : NULL;
+}
+
+/***********************************************************************
+ * dri_drawable.c
+ */
+boolean
+dri_create_buffer(__DRIscreen * sPriv,
+		  __DRIdrawable * dPriv,
+		  const struct gl_config * visual, boolean isPixmap);
+
+void dri_destroy_buffer(__DRIdrawable * dPriv);
+
+void
+dri_drawable_get_format(struct dri_drawable *drawable,
+                        enum st_attachment_type statt,
+                        enum pipe_format *format,
+                        unsigned *bind);
+
+void
+dri_pipe_blit(struct pipe_context *pipe,
+              struct pipe_resource *dst,
+              struct pipe_resource *src);
+
+void
+dri_flush(__DRIcontext *cPriv,
+          __DRIdrawable *dPriv,
+          unsigned flags,
+          enum __DRI2throttleReason reason);
+
+extern const __DRItexBufferExtension driTexBufferExtension;
+extern const __DRI2throttleExtension dri2ThrottleExtension;
+#endif
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_query_renderer.c b/lib/mesa/src/gallium/state_trackers/dri/dri_query_renderer.c
new file mode 100644
index 000000000..ea31b6c1e
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_query_renderer.c
@@ -0,0 +1,87 @@
+#include "dri_query_renderer.h"
+
+#include "util/u_inlines.h"
+#include "state_tracker/drm_driver.h"
+
+#include "utils.h"
+#include "dri_screen.h"
+#include "dri_query_renderer.h"
+
+static int
+dri2_query_renderer_integer(__DRIscreen *_screen, int param,
+                            unsigned int *value)
+{
+   struct dri_screen *screen = dri_screen(_screen);
+
+   switch (param) {
+   case __DRI2_RENDERER_VENDOR_ID:
+      value[0] =
+         (unsigned int)screen->base.screen->get_param(screen->base.screen,
+                                                      PIPE_CAP_VENDOR_ID);
+      return 0;
+   case __DRI2_RENDERER_DEVICE_ID:
+      value[0] =
+         (unsigned int)screen->base.screen->get_param(screen->base.screen,
+                                                      PIPE_CAP_DEVICE_ID);
+      return 0;
+   case __DRI2_RENDERER_ACCELERATED:
+      value[0] =
+         (unsigned int)screen->base.screen->get_param(screen->base.screen,
+                                                      PIPE_CAP_ACCELERATED);
+      return 0;
+
+   case __DRI2_RENDERER_VIDEO_MEMORY:
+      value[0] =
+         (unsigned int)screen->base.screen->get_param(screen->base.screen,
+                                                      PIPE_CAP_VIDEO_MEMORY);
+      return 0;
+
+   case __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE:
+      value[0] =
+         (unsigned int)screen->base.screen->get_param(screen->base.screen,
+                                                      PIPE_CAP_UMA);
+      return 0;
+
+   case __DRI2_RENDERER_HAS_TEXTURE_3D:
+      value[0] =
+         screen->base.screen->get_param(screen->base.screen,
+                                        PIPE_CAP_MAX_TEXTURE_3D_LEVELS) != 0;
+      return 0;
+
+   case __DRI2_RENDERER_HAS_FRAMEBUFFER_SRGB:
+      value[0] =
+         screen->base.screen->is_format_supported(screen->base.screen,
+                                                  PIPE_FORMAT_B8G8R8A8_SRGB,
+                                                  PIPE_TEXTURE_2D, 0,
+                                                  PIPE_BIND_RENDER_TARGET);
+      return 0;
+
+   default:
+      return driQueryRendererIntegerCommon(_screen, param, value);
+   }
+}
+
+static int
+dri2_query_renderer_string(__DRIscreen *_screen, int param,
+                           const char **value)
+{
+   struct dri_screen *screen = dri_screen(_screen);
+
+   switch (param) {
+   case __DRI2_RENDERER_VENDOR_ID:
+      value[0] = screen->base.screen->get_vendor(screen->base.screen);
+      return 0;
+   case __DRI2_RENDERER_DEVICE_ID:
+      value[0] = screen->base.screen->get_name(screen->base.screen);
+      return 0;
+   default:
+      return -1;
+   }
+}
+
+const __DRI2rendererQueryExtension dri2RendererQueryExtension = {
+    .base = { __DRI2_RENDERER_QUERY, 1 },
+
+    .queryInteger         = dri2_query_renderer_integer,
+    .queryString          = dri2_query_renderer_string
+};
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_query_renderer.h b/lib/mesa/src/gallium/state_trackers/dri/dri_query_renderer.h
new file mode 100644
index 000000000..59b3ff8e5
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_query_renderer.h
@@ -0,0 +1,9 @@
+#ifndef DRI_QUERY_RENDERER_H
+#define DRI_QUERY_RENDERER_H
+
+#include "dri_util.h"
+
+extern const
+__DRI2rendererQueryExtension dri2RendererQueryExtension;
+
+#endif
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_screen.c b/lib/mesa/src/gallium/state_trackers/dri/dri_screen.c
new file mode 100644
index 000000000..c4c2d9c8f
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_screen.c
@@ -0,0 +1,470 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Author: Keith Whitwell <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+#include "utils.h"
+#include "xmlpool.h"
+
+#include "dri_screen.h"
+
+#include "util/u_inlines.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_format.h"
+#include "pipe-loader/pipe_loader.h"
+#include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
+#include "state_tracker/drm_driver.h"
+
+#include "util/u_debug.h"
+#include "util/u_format_s3tc.h"
+
+#define MSAA_VISUAL_MAX_SAMPLES 32
+
+#undef false
+
+const __DRIconfigOptionsExtension gallium_config_options = {
+   .base = { __DRI_CONFIG_OPTIONS, 1 },
+   .xml =
+
+   DRI_CONF_BEGIN
+      DRI_CONF_SECTION_QUALITY
+         DRI_CONF_FORCE_S3TC_ENABLE("false")
+         DRI_CONF_PP_CELSHADE(0)
+         DRI_CONF_PP_NORED(0)
+         DRI_CONF_PP_NOGREEN(0)
+         DRI_CONF_PP_NOBLUE(0)
+         DRI_CONF_PP_JIMENEZMLAA(0, 0, 32)
+         DRI_CONF_PP_JIMENEZMLAA_COLOR(0, 0, 32)
+      DRI_CONF_SECTION_END
+
+      DRI_CONF_SECTION_DEBUG
+         DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN("false")
+         DRI_CONF_DISABLE_GLSL_LINE_CONTINUATIONS("false")
+         DRI_CONF_DISABLE_BLEND_FUNC_EXTENDED("false")
+         DRI_CONF_DISABLE_SHADER_BIT_ENCODING("false")
+         DRI_CONF_FORCE_GLSL_VERSION(0)
+         DRI_CONF_ALLOW_GLSL_EXTENSION_DIRECTIVE_MIDSHADER("false")
+      DRI_CONF_SECTION_END
+
+      DRI_CONF_SECTION_MISCELLANEOUS
+         DRI_CONF_ALWAYS_HAVE_DEPTH_BUFFER("false")
+      DRI_CONF_SECTION_END
+   DRI_CONF_END
+};
+
+#define false 0
+
+static void
+dri_fill_st_options(struct st_config_options *options,
+                    const struct driOptionCache * optionCache)
+{
+   options->disable_blend_func_extended =
+      driQueryOptionb(optionCache, "disable_blend_func_extended");
+   options->disable_glsl_line_continuations =
+      driQueryOptionb(optionCache, "disable_glsl_line_continuations");
+   options->disable_shader_bit_encoding =
+      driQueryOptionb(optionCache, "disable_shader_bit_encoding");
+   options->force_glsl_extensions_warn =
+      driQueryOptionb(optionCache, "force_glsl_extensions_warn");
+   options->force_glsl_version =
+      driQueryOptioni(optionCache, "force_glsl_version");
+   options->force_s3tc_enable =
+      driQueryOptionb(optionCache, "force_s3tc_enable");
+   options->allow_glsl_extension_directive_midshader =
+      driQueryOptionb(optionCache, "allow_glsl_extension_directive_midshader");
+}
+
+static const __DRIconfig **
+dri_fill_in_modes(struct dri_screen *screen)
+{
+   static const mesa_format mesa_formats[] = {
+      MESA_FORMAT_B8G8R8A8_UNORM,
+      MESA_FORMAT_B8G8R8X8_UNORM,
+      MESA_FORMAT_B8G8R8A8_SRGB,
+      MESA_FORMAT_B8G8R8X8_SRGB,
+      MESA_FORMAT_B5G6R5_UNORM,
+   };
+   static const enum pipe_format pipe_formats[] = {
+      PIPE_FORMAT_BGRA8888_UNORM,
+      PIPE_FORMAT_BGRX8888_UNORM,
+      PIPE_FORMAT_BGRA8888_SRGB,
+      PIPE_FORMAT_BGRX8888_SRGB,
+      PIPE_FORMAT_B5G6R5_UNORM,
+   };
+   mesa_format format;
+   __DRIconfig **configs = NULL;
+   uint8_t depth_bits_array[5];
+   uint8_t stencil_bits_array[5];
+   unsigned depth_buffer_factor;
+   unsigned msaa_samples_max;
+   unsigned i;
+   struct pipe_screen *p_screen = screen->base.screen;
+   boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
+
+   static const GLenum back_buffer_modes[] = {
+      GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+   };
+
+   if (driQueryOptionb(&screen->optionCache, "always_have_depth_buffer")) {
+      /* all visuals will have a depth buffer */
+      depth_buffer_factor = 0;
+   }
+   else {
+      depth_bits_array[0] = 0;
+      stencil_bits_array[0] = 0;
+      depth_buffer_factor = 1;
+   }
+ 
+   msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS_MASK)
+      ? MSAA_VISUAL_MAX_SAMPLES : 1;
+
+   pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
+					    PIPE_TEXTURE_2D, 0,
+                                            PIPE_BIND_DEPTH_STENCIL);
+   pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
+					    PIPE_TEXTURE_2D, 0,
+                                            PIPE_BIND_DEPTH_STENCIL);
+   pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
+					    PIPE_TEXTURE_2D, 0,
+                                            PIPE_BIND_DEPTH_STENCIL);
+   pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
+					    PIPE_TEXTURE_2D, 0,
+                                            PIPE_BIND_DEPTH_STENCIL);
+   pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
+                                          PIPE_TEXTURE_2D, 0,
+                                          PIPE_BIND_DEPTH_STENCIL);
+   pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
+                                          PIPE_TEXTURE_2D, 0,
+                                          PIPE_BIND_DEPTH_STENCIL);
+
+   if (pf_z16) {
+      depth_bits_array[depth_buffer_factor] = 16;
+      stencil_bits_array[depth_buffer_factor++] = 0;
+   }
+   if (pf_x8z24 || pf_z24x8) {
+      depth_bits_array[depth_buffer_factor] = 24;
+      stencil_bits_array[depth_buffer_factor++] = 0;
+      screen->d_depth_bits_last = pf_x8z24;
+   }
+   if (pf_s8z24 || pf_z24s8) {
+      depth_bits_array[depth_buffer_factor] = 24;
+      stencil_bits_array[depth_buffer_factor++] = 8;
+      screen->sd_depth_bits_last = pf_s8z24;
+   }
+   if (pf_z32) {
+      depth_bits_array[depth_buffer_factor] = 32;
+      stencil_bits_array[depth_buffer_factor++] = 0;
+   }
+
+   assert(ARRAY_SIZE(mesa_formats) == ARRAY_SIZE(pipe_formats));
+
+   /* Add configs. */
+   for (format = 0; format < ARRAY_SIZE(mesa_formats); format++) {
+      __DRIconfig **new_configs = NULL;
+      unsigned num_msaa_modes = 0; /* includes a single-sample mode */
+      uint8_t msaa_modes[MSAA_VISUAL_MAX_SAMPLES];
+
+      if (!p_screen->is_format_supported(p_screen, pipe_formats[format],
+                                         PIPE_TEXTURE_2D, 0,
+                                         PIPE_BIND_RENDER_TARGET))
+         continue;
+
+      for (i = 1; i <= msaa_samples_max; i++) {
+         int samples = i > 1 ? i : 0;
+
+         if (p_screen->is_format_supported(p_screen, pipe_formats[format],
+                                           PIPE_TEXTURE_2D, samples,
+                                           PIPE_BIND_RENDER_TARGET)) {
+            msaa_modes[num_msaa_modes++] = samples;
+         }
+      }
+
+      if (num_msaa_modes) {
+         /* Single-sample configs with an accumulation buffer. */
+         new_configs = driCreateConfigs(mesa_formats[format],
+                                        depth_bits_array, stencil_bits_array,
+                                        depth_buffer_factor, back_buffer_modes,
+                                        ARRAY_SIZE(back_buffer_modes),
+                                        msaa_modes, 1,
+                                        GL_TRUE);
+         configs = driConcatConfigs(configs, new_configs);
+
+         /* Multi-sample configs without an accumulation buffer. */
+         if (num_msaa_modes > 1) {
+            new_configs = driCreateConfigs(mesa_formats[format],
+                                           depth_bits_array, stencil_bits_array,
+                                           depth_buffer_factor, back_buffer_modes,
+                                           ARRAY_SIZE(back_buffer_modes),
+                                           msaa_modes+1, num_msaa_modes-1,
+                                           GL_FALSE);
+            configs = driConcatConfigs(configs, new_configs);
+         }
+      }
+   }
+
+   if (configs == NULL) {
+      debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
+      return NULL;
+   }
+
+   return (const __DRIconfig **)configs;
+}
+
+/**
+ * Roughly the converse of dri_fill_in_modes.
+ */
+void
+dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
+                   const struct gl_config *mode)
+{
+   memset(stvis, 0, sizeof(*stvis));
+
+   if (!mode)
+      return;
+
+   if (mode->redBits == 8) {
+      if (mode->alphaBits == 8)
+         if (mode->sRGBCapable)
+            stvis->color_format = PIPE_FORMAT_BGRA8888_SRGB;
+         else
+            stvis->color_format = PIPE_FORMAT_BGRA8888_UNORM;
+      else
+         if (mode->sRGBCapable)
+            stvis->color_format = PIPE_FORMAT_BGRX8888_SRGB;
+         else
+            stvis->color_format = PIPE_FORMAT_BGRX8888_UNORM;
+   } else {
+      stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
+   }
+
+   if (mode->sampleBuffers) {
+      stvis->samples = mode->samples;
+   }
+
+   switch (mode->depthBits) {
+   default:
+   case 0:
+      stvis->depth_stencil_format = PIPE_FORMAT_NONE;
+      break;
+   case 16:
+      stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
+      break;
+   case 24:
+      if (mode->stencilBits == 0) {
+	 stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
+                                          PIPE_FORMAT_Z24X8_UNORM:
+                                          PIPE_FORMAT_X8Z24_UNORM;
+      } else {
+	 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
+                                          PIPE_FORMAT_Z24_UNORM_S8_UINT:
+                                          PIPE_FORMAT_S8_UINT_Z24_UNORM;
+      }
+      break;
+   case 32:
+      stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
+      break;
+   }
+
+   stvis->accum_format = (mode->haveAccumBuffer) ?
+      PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
+
+   stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
+   stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT;
+   if (mode->doubleBufferMode) {
+      stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
+      stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT;
+   }
+   if (mode->stereoMode) {
+      stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
+      if (mode->doubleBufferMode)
+         stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
+   }
+
+   if (mode->haveDepthBuffer || mode->haveStencilBuffer)
+      stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
+   /* let the state tracker allocate the accum buffer */
+}
+
+static boolean
+dri_get_egl_image(struct st_manager *smapi,
+                  void *egl_image,
+                  struct st_egl_image *stimg)
+{
+   struct dri_screen *screen = (struct dri_screen *)smapi;
+   __DRIimage *img = NULL;
+
+   if (screen->lookup_egl_image) {
+      img = screen->lookup_egl_image(screen, egl_image);
+   }
+
+   if (!img)
+      return FALSE;
+
+   stimg->texture = NULL;
+   pipe_resource_reference(&stimg->texture, img->texture);
+   stimg->level = img->level;
+   stimg->layer = img->layer;
+
+   return TRUE;
+}
+
+static int
+dri_get_param(struct st_manager *smapi,
+              enum st_manager_param param)
+{
+   struct dri_screen *screen = (struct dri_screen *)smapi;
+
+   switch(param) {
+   case ST_MANAGER_BROKEN_INVALIDATE:
+      return screen->broken_invalidate;
+   default:
+      return 0;
+   }
+}
+
+static void
+dri_destroy_option_cache(struct dri_screen * screen)
+{
+   int i;
+
+   if (screen->optionCache.info) {
+      for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
+         free(screen->optionCache.info[i].name);
+         free(screen->optionCache.info[i].ranges);
+      }
+      free(screen->optionCache.info);
+   }
+
+   free(screen->optionCache.values);
+
+   /* Default values are copied to screen->optionCache->values in
+    * initOptionCache. The info field, however, is a pointer copy, so don't free
+    * that twice.
+    */
+   free(screen->optionCacheDefaults.values);
+}
+
+void
+dri_destroy_screen_helper(struct dri_screen * screen)
+{
+   if (screen->st_api && screen->st_api->destroy)
+      screen->st_api->destroy(screen->st_api);
+
+   if (screen->base.screen)
+      screen->base.screen->destroy(screen->base.screen);
+
+   dri_destroy_option_cache(screen);
+   pipe_mutex_destroy(screen->opencl_func_mutex);
+}
+
+void
+dri_destroy_screen(__DRIscreen * sPriv)
+{
+   struct dri_screen *screen = dri_screen(sPriv);
+
+   dri_destroy_screen_helper(screen);
+
+#if !GALLIUM_STATIC_TARGETS
+   pipe_loader_release(&screen->dev, 1);
+#endif // !GALLIUM_STATIC_TARGETS
+
+   free(screen);
+   sPriv->driverPrivate = NULL;
+   sPriv->extensions = NULL;
+}
+
+static void
+dri_postprocessing_init(struct dri_screen *screen)
+{
+   unsigned i;
+
+   for (i = 0; i < PP_FILTERS; i++) {
+      screen->pp_enabled[i] = driQueryOptioni(&screen->optionCache,
+                                              pp_filters[i].name);
+   }
+}
+
+const __DRIconfig **
+dri_init_screen_helper(struct dri_screen *screen,
+                       struct pipe_screen *pscreen,
+                       const char* driver_name)
+{
+   screen->base.screen = pscreen;
+   if (!screen->base.screen) {
+      debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
+      return NULL;
+   }
+
+   screen->base.get_egl_image = dri_get_egl_image;
+   screen->base.get_param = dri_get_param;
+
+   screen->st_api = st_gl_api_create();
+   if (!screen->st_api)
+      return NULL;
+
+   if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES))
+      screen->target = PIPE_TEXTURE_2D;
+   else
+      screen->target = PIPE_TEXTURE_RECT;
+
+   driParseOptionInfo(&screen->optionCacheDefaults, gallium_config_options.xml);
+
+   driParseConfigFiles(&screen->optionCache,
+                       &screen->optionCacheDefaults,
+                       screen->sPriv->myNum,
+                       driver_name);
+
+   dri_fill_st_options(&screen->options, &screen->optionCache);
+
+   /* Handle force_s3tc_enable. */
+   if (!util_format_s3tc_enabled && screen->options.force_s3tc_enable) {
+      /* Ensure libtxc_dxtn has been loaded if available.
+       * Forcing S3TC on before calling this would prevent loading
+       * the library.
+       * This is just a precaution, the driver should have called it
+       * already.
+       */
+      util_format_s3tc_init();
+
+      util_format_s3tc_enabled = TRUE;
+   }
+
+   dri_postprocessing_init(screen);
+
+   screen->st_api->query_versions(screen->st_api, &screen->base,
+                                  &screen->options,
+                                  &screen->sPriv->max_gl_core_version,
+                                  &screen->sPriv->max_gl_compat_version,
+                                  &screen->sPriv->max_gl_es1_version,
+                                  &screen->sPriv->max_gl_es2_version);
+
+   return dri_fill_in_modes(screen);
+}
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/dri_screen.h b/lib/mesa/src/gallium/state_trackers/dri/dri_screen.h
new file mode 100644
index 000000000..4bcb0291d
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/dri_screen.h
@@ -0,0 +1,161 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Author: Keith Whitwell <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+#ifndef DRI_SCREEN_H
+#define DRI_SCREEN_H
+
+#include "dri_util.h"
+#include "xmlconfig.h"
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "state_tracker/st_api.h"
+#include "state_tracker/opencl_interop.h"
+#include "os/os_thread.h"
+#include "postprocess/filters.h"
+
+struct dri_context;
+struct dri_drawable;
+struct pipe_loader_device;
+
+struct dri_screen
+{
+   /* st_api */
+   struct st_manager base;
+   struct st_api *st_api;
+
+   /* on old libGL's invalidate doesn't get called as it should */
+   boolean broken_invalidate;
+
+   /* dri */
+   __DRIscreen *sPriv;
+   boolean throttling_enabled;
+   int default_throttle_frames;
+
+   /** Configuration cache with default values for all contexts */
+   driOptionCache optionCacheDefaults;
+
+   /** The screen's effective configuration options */
+   driOptionCache optionCache;
+
+   struct st_config_options options;
+
+   /* Which postprocessing filters are enabled. */
+   unsigned pp_enabled[PP_FILTERS];
+
+   /* drm */
+   int fd;
+   boolean can_share_buffer;
+
+   struct pipe_loader_device *dev;
+
+   /* gallium */
+   boolean d_depth_bits_last;
+   boolean sd_depth_bits_last;
+   boolean auto_fake_front;
+   boolean has_reset_status_query;
+   enum pipe_texture_target target;
+
+   /* hooks filled in by dri2 & drisw */
+   __DRIimage * (*lookup_egl_image)(struct dri_screen *ctx, void *handle);
+
+   /* OpenCL interop */
+   pipe_mutex opencl_func_mutex;
+   opencl_dri_event_add_ref_t opencl_dri_event_add_ref;
+   opencl_dri_event_release_t opencl_dri_event_release;
+   opencl_dri_event_wait_t opencl_dri_event_wait;
+   opencl_dri_event_get_fence_t opencl_dri_event_get_fence;
+};
+
+/** cast wrapper */
+static inline struct dri_screen *
+dri_screen(__DRIscreen * sPriv)
+{
+   return (struct dri_screen *)sPriv->driverPrivate;
+}
+
+struct __DRIimageRec {
+   struct pipe_resource *texture;
+   unsigned level;
+   unsigned layer;
+   uint32_t dri_format;
+   uint32_t dri_components;
+
+   void *loader_private;
+
+   /**
+    * Provided by EGL_EXT_image_dma_buf_import.
+    */
+   enum __DRIYUVColorSpace yuv_color_space;
+   enum __DRISampleRange sample_range;
+   enum __DRIChromaSiting horizontal_siting;
+   enum __DRIChromaSiting vertical_siting;
+
+};
+
+static inline boolean
+dri_with_format(__DRIscreen * sPriv)
+{
+   const __DRIdri2LoaderExtension *loader = sPriv->dri2.loader;
+
+   return loader
+       && (loader->base.version >= 3)
+       && (loader->getBuffersWithFormat != NULL);
+}
+
+void
+dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
+                   const struct gl_config *mode);
+
+const __DRIconfig **
+dri_init_screen_helper(struct dri_screen *screen,
+                       struct pipe_screen *pscreen,
+                       const char* driver_name);
+
+void
+dri_destroy_screen_helper(struct dri_screen * screen);
+
+void
+dri_destroy_screen(__DRIscreen * sPriv);
+
+extern struct pipe_screen *kms_swrast_create_screen(int fd);
+extern const struct __DriverAPIRec dri_kms_driver_api;
+
+extern const struct __DriverAPIRec galliumdrm_driver_api;
+extern const __DRIextension *galliumdrm_driver_extensions[];
+extern const struct __DriverAPIRec galliumsw_driver_api;
+extern const __DRIextension *galliumsw_driver_extensions[];
+extern const __DRIconfigOptionsExtension gallium_config_options;
+
+#endif
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
diff --git a/lib/mesa/src/gallium/state_trackers/dri/drisw.c b/lib/mesa/src/gallium/state_trackers/dri/drisw.c
new file mode 100644
index 000000000..4ec699264
--- /dev/null
+++ b/lib/mesa/src/gallium/state_trackers/dri/drisw.c
@@ -0,0 +1,425 @@
+/**************************************************************************
+ *
+ * Copyright 2009, VMware, Inc.
+ * All Rights Reserved.
+ * Copyright 2010 George Sapountzis <gsapountzis@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/* TODO:
+ *
+ * xshm / EGLImage:
+ *
+ * Allow the loaders to use the XSHM extension. It probably requires callbacks
+ * for createImage/destroyImage similar to DRI2 getBuffers.
+ */
+
+#include "util/u_format.h"
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "util/u_box.h"
+#include "pipe/p_context.h"
+#include "state_tracker/drisw_api.h"
+#include "state_tracker/st_context.h"
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_drawable.h"
+#include "dri_query_renderer.h"
+
+DEBUG_GET_ONCE_BOOL_OPTION(swrast_no_present, "SWRAST_NO_PRESENT", FALSE);
+static boolean swrast_no_present = FALSE;
+
+static inline void
+get_drawable_info(__DRIdrawable *dPriv, int *x, int *y, int *w, int *h)
+{
+   __DRIscreen *sPriv = dPriv->driScreenPriv;
+   const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
+
+   loader->getDrawableInfo(dPriv,
+                           x, y, w, h,
+                           dPriv->loaderPrivate);
+}
+
+static inline void
+put_image(__DRIdrawable *dPriv, void *data, unsigned width, unsigned height)
+{
+   __DRIscreen *sPriv = dPriv->driScreenPriv;
+   const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
+
+   loader->putImage(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
+                    0, 0, width, height,
+                    data, dPriv->loaderPrivate);
+}
+
+static inline void
+put_image2(__DRIdrawable *dPriv, void *data, int x, int y,
+           unsigned width, unsigned height, unsigned stride)
+{
+   __DRIscreen *sPriv = dPriv->driScreenPriv;
+   const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
+
+   loader->putImage2(dPriv, __DRI_SWRAST_IMAGE_OP_SWAP,
+                     x, y, width, height, stride,
+                     data, dPriv->loaderPrivate);
+}
+
+static inline void
+get_image(__DRIdrawable *dPriv, int x, int y, int width, int height, void *data)
+{
+   __DRIscreen *sPriv = dPriv->driScreenPriv;
+   const __DRIswrastLoaderExtension *loader = sPriv->swrast_loader;
+
+   loader->getImage(dPriv,
+                    x, y, width, height,
+                    data, dPriv->loaderPrivate);
+}
+
+static void
+drisw_update_drawable_info(struct dri_drawable *drawable)
+{
+   __DRIdrawable *dPriv = drawable->dPriv;
+   int x, y;
+
+   get_drawable_info(dPriv, &x, &y, &dPriv->w, &dPriv->h);
+}
+
+static void
+drisw_put_image(struct dri_drawable *drawable,
+                void *data, unsigned width, unsigned height)
+{
+   __DRIdrawable *dPriv = drawable->dPriv;
+
+   put_image(dPriv, data, width, height);
+}
+
+static void
+drisw_put_image2(struct dri_drawable *drawable,
+                 void *data, int x, int y, unsigned width, unsigned height,
+                 unsigned stride)
+{
+   __DRIdrawable *dPriv = drawable->dPriv;
+
+   put_image2(dPriv, data, x, y, width, height, stride);
+}
+
+static inline void
+drisw_present_texture(__DRIdrawable *dPriv,
+                      struct pipe_resource *ptex, struct pipe_box *sub_box)
+{
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
+
+   if (swrast_no_present)
+      return;
+
+   screen->base.screen->flush_frontbuffer(screen->base.screen, ptex, 0, 0, drawable, sub_box);
+}
+
+static inline void
+drisw_invalidate_drawable(__DRIdrawable *dPriv)
+{
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+
+   drawable->texture_stamp = dPriv->lastStamp - 1;
+
+   p_atomic_inc(&drawable->base.stamp);
+}
+
+static inline void
+drisw_copy_to_front(__DRIdrawable * dPriv,
+                    struct pipe_resource *ptex)
+{
+   drisw_present_texture(dPriv, ptex, NULL);
+
+   drisw_invalidate_drawable(dPriv);
+}
+
+/*
+ * Backend functions for st_framebuffer interface and swap_buffers.
+ */
+
+static void
+drisw_swap_buffers(__DRIdrawable *dPriv)
+{
+   struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv);
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   struct pipe_resource *ptex;
+
+   if (!ctx)
+      return;
+
+   ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
+
+   if (ptex) {
+      if (ctx->pp)
+         pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
+
+      ctx->st->flush(ctx->st, ST_FLUSH_FRONT, NULL);
+
+      drisw_copy_to_front(dPriv, ptex);
+   }
+}
+
+static void
+drisw_copy_sub_buffer(__DRIdrawable *dPriv, int x, int y,
+                      int w, int h)
+{
+   struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv);
+   struct dri_drawable *drawable = dri_drawable(dPriv);
+   struct pipe_resource *ptex;
+   struct pipe_box box;
+   if (!ctx)
+      return;
+
+   ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
+
+   if (ptex) {
+      if (ctx->pp && drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL])
+         pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
+
+      ctx->st->flush(ctx->st, ST_FLUSH_FRONT, NULL);
+
+      u_box_2d(x, dPriv->h - y - h, w, h, &box);
+      drisw_present_texture(dPriv, ptex, &box);
+   }
+}
+
+static void
+drisw_flush_frontbuffer(struct dri_context *ctx,
+                        struct dri_drawable *drawable,
+                        enum st_attachment_type statt)
+{
+   struct pipe_resource *ptex;
+
+   if (!ctx)
+      return;
+
+   ptex = drawable->textures[statt];
+
+   if (ptex) {
+      drisw_copy_to_front(ctx->dPriv, ptex);
+   }
+}
+
+/**
+ * Allocate framebuffer attachments.
+ *
+ * During fixed-size operation, the function keeps allocating new attachments
+ * as they are requested. Unused attachments are not removed, not until the
+ * framebuffer is resized or destroyed.
+ */
+static void
+drisw_allocate_textures(struct dri_context *stctx,
+                        struct dri_drawable *drawable,
+                        const enum st_attachment_type *statts,
+                        unsigned count)
+{
+   struct dri_screen *screen = dri_screen(drawable->sPriv);
+   struct pipe_resource templ;
+   unsigned width, height;
+   boolean resized;
+   unsigned i;
+
+   width  = drawable->dPriv->w;
+   height = drawable->dPriv->h;
+
+   resized = (drawable->old_w != width ||
+              drawable->old_h != height);
+
+   /* remove outdated textures */
+   if (resized) {
+      for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+         pipe_resource_reference(&drawable->textures[i], NULL);
+   }
+
+   memset(&templ, 0, sizeof(templ));
+   templ.target = screen->target;
+   templ.width0 = width;
+   templ.height0 = height;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+   templ.last_level = 0;
+
+   for (i = 0; i < count; i++) {
+      enum pipe_format format;
+      unsigned bind;
+
+      /* the texture already exists or not requested */
+      if (drawable->textures[statts[i]])
+         continue;
+
+      dri_drawable_get_format(drawable, statts[i], &format, &bind);
+
+      /* if we don't do any present, no need for display targets */
+      if (statts[i] != ST_ATTACHMENT_DEPTH_STENCIL && !swrast_no_present)
+         bind |= PIPE_BIND_DISPLAY_TARGET;
+
+      if (format == PIPE_FORMAT_NONE)
+         continue;
+
+      templ.format = format;
+      templ.bind = bind;
+
+      drawable->textures[statts[i]] =
+         screen->base.screen->resource_create(screen->base.screen, &templ);
+   }
+
+   drawable->old_w = width;
+   drawable->old_h = height;
+}
+
+static void
+drisw_update_tex_buffer(struct dri_drawable *drawable,
+                        struct dri_context *ctx,
+                        struct pipe_resource *res)
+{
+   __DRIdrawable *dPriv = drawable->dPriv;
+
+   struct st_context *st_ctx = (struct st_context *)ctx->st;
+   struct pipe_context *pipe = st_ctx->pipe;
+   struct pipe_transfer *transfer;
+   char *map;
+   int x, y, w, h;
+   int ximage_stride, line;
+   int cpp = util_format_get_blocksize(res->format);
+
+   get_drawable_info(dPriv, &x, &y, &w, &h);
+
+   map = pipe_transfer_map(pipe, res,
+                           0, 0, // level, layer,
+                           PIPE_TRANSFER_WRITE,
+                           x, y, w, h, &transfer);
+
+   /* Copy the Drawable content to the mapped texture buffer */
+   get_image(dPriv, x, y, w, h, map);
+
+   /* The pipe transfer has a pitch rounded up to the nearest 64 pixels.
+      get_image() has a pitch rounded up to 4 bytes.  */
+   ximage_stride = ((w * cpp) + 3) & -4;
+   for (line = h-1; line; --line) {
+      memmove(&map[line * transfer->stride],
+              &map[line * ximage_stride],
+              ximage_stride);
+   }
+
+   pipe_transfer_unmap(pipe, transfer);
+}
+
+/*
+ * Backend function for init_screen.
+ */
+
+static const __DRIextension *drisw_screen_extensions[] = {
+   &driTexBufferExtension.base,
+   &dri2RendererQueryExtension.base,
+   &dri2ConfigQueryExtension.base,
+   NULL
+};
+
+static struct drisw_loader_funcs drisw_lf = {
+   .put_image = drisw_put_image,
+   .put_image2 = drisw_put_image2
+};
+
+static const __DRIconfig **
+drisw_init_screen(__DRIscreen * sPriv)
+{
+   const __DRIconfig **configs;
+   struct dri_screen *screen;
+   struct pipe_screen *pscreen;
+
+   screen = CALLOC_STRUCT(dri_screen);
+   if (!screen)
+      return NULL;
+
+   screen->sPriv = sPriv;
+   screen->fd = -1;
+
+   swrast_no_present = debug_get_option_swrast_no_present();
+
+   sPriv->driverPrivate = (void *)screen;
+   sPriv->extensions = drisw_screen_extensions;
+
+   pscreen = drisw_create_screen(&drisw_lf);
+   /* dri_init_screen_helper checks pscreen for us */
+
+   configs = dri_init_screen_helper(screen, pscreen, "swrast");
+   if (!configs)
+      goto fail;
+
+   return configs;
+fail:
+   dri_destroy_screen_helper(screen);
+   FREE(screen);
+   return NULL;
+}
+
+static boolean
+drisw_create_buffer(__DRIscreen * sPriv,
+                    __DRIdrawable * dPriv,
+                    const struct gl_config * visual, boolean isPixmap)
+{
+   struct dri_drawable *drawable = NULL;
+
+   if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
+      return FALSE;
+
+   drawable = dPriv->driverPrivate;
+
+   drawable->allocate_textures = drisw_allocate_textures;
+   drawable->update_drawable_info = drisw_update_drawable_info;
+   drawable->flush_frontbuffer = drisw_flush_frontbuffer;
+   drawable->update_tex_buffer = drisw_update_tex_buffer;
+
+   return TRUE;
+}
+
+/**
+ * DRI driver virtual function table.
+ *
+ * DRI versions differ in their implementation of init_screen and swap_buffers.
+ */
+const struct __DriverAPIRec galliumsw_driver_api = {
+   .InitScreen = drisw_init_screen,
+   .DestroyScreen = dri_destroy_screen,
+   .CreateContext = dri_create_context,
+   .DestroyContext = dri_destroy_context,
+   .CreateBuffer = drisw_create_buffer,
+   .DestroyBuffer = dri_destroy_buffer,
+   .SwapBuffers = drisw_swap_buffers,
+   .MakeCurrent = dri_make_current,
+   .UnbindContext = dri_unbind_context,
+   .CopySubBuffer = drisw_copy_sub_buffer,
+};
+
+/* This is the table of extensions that the loader will dlsym() for. */
+const __DRIextension *galliumsw_driver_extensions[] = {
+    &driCoreExtension.base,
+    &driSWRastExtension.base,
+    &driCopySubBufferExtension.base,
+    &gallium_config_options.base,
+    NULL
+};
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */