From b5d1fd89898edb34f73679b542c754d837d44cf8 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Sun, 13 Mar 2011 20:15:26 +0000
Subject: xkeyboard-config libxcb pixman mesalib git update 13 Mar 2011

---
 mesalib/configs/linux-llvm                     |   88 +-
 mesalib/configure.ac                           | 3820 ++++++++++++------------
 mesalib/scons/gallium.py                       | 1249 ++++----
 mesalib/scons/llvm.py                          |  332 +-
 mesalib/scons/udis86.py                        |   44 -
 mesalib/src/glsl/glsl_types.h                  |  956 +++---
 mesalib/src/mesa/main/ff_fragment_shader.cpp   | 1435 +++++----
 mesalib/src/mesa/main/mtypes.h                 |    1 -
 mesalib/src/mesa/main/state.c                  |   19 +-
 mesalib/src/mesa/main/texenvprogram.h          |    2 +-
 mesalib/src/mesa/program/program.c             |    2 +-
 mesalib/src/mesa/state_tracker/st_cb_clear.c   | 1180 ++++----
 mesalib/src/mesa/state_tracker/st_cb_texture.c |    2 +-
 13 files changed, 4605 insertions(+), 4525 deletions(-)
 delete mode 100644 mesalib/scons/udis86.py

(limited to 'mesalib')

diff --git a/mesalib/configs/linux-llvm b/mesalib/configs/linux-llvm
index e6999539a..cd4730d67 100644
--- a/mesalib/configs/linux-llvm
+++ b/mesalib/configs/linux-llvm
@@ -1,44 +1,44 @@
-# -*-makefile-*-
-# Configuration for Linux and LLVM with optimizations
-# Builds the llvmpipe gallium driver
-
-include $(TOP)/configs/linux
-
-CONFIG_NAME = linux-llvm
-
-# Add llvmpipe driver
-GALLIUM_DRIVERS_DIRS += llvmpipe
-
-OPT_FLAGS = -O3 -ansi -pedantic
-ARCH_FLAGS = -mmmx -msse -msse2 -mstackrealign
-
-DEFINES += -DNDEBUG -DGALLIUM_LLVMPIPE -DHAVE_UDIS86
-
-# override -std=c99
-CFLAGS += -std=gnu99
-
-LLVM_VERSION := $(shell llvm-config --version)
-
-ifeq ($(LLVM_VERSION),)
-  $(warning Could not find LLVM! Make Sure 'llvm-config' is in the path)
-  MESA_LLVM=0
-else
-  MESA_LLVM=1
-  HAVE_LLVM := 0x0$(subst .,0,$(LLVM_VERSION:svn=))
-  DEFINES += -DHAVE_LLVM=$(HAVE_LLVM)
-#  $(info Using LLVM version: $(LLVM_VERSION))
-endif
-
-ifeq ($(MESA_LLVM),1)
-  LLVM_CFLAGS=`llvm-config --cppflags`
-  LLVM_CXXFLAGS=`llvm-config --cxxflags backend bitreader engine ipo interpreter instrumentation` -Wno-long-long
-  LLVM_LDFLAGS = $(shell llvm-config --ldflags backend bitreader engine ipo interpreter instrumentation)
-  LLVM_LIBS = $(shell llvm-config --libs backend bitwriter bitreader engine ipo interpreter instrumentation)
-  MKLIB_OPTIONS=-cplusplus
-else
-  LLVM_CFLAGS=
-  LLVM_CXXFLAGS=
-endif
-
-LD = g++
-GL_LIB_DEPS = $(LLVM_LDFLAGS) $(LLVM_LIBS) $(EXTRA_LIB_PATH) -lX11 -lXext -lm -lpthread -lstdc++ -ludis86
+# -*-makefile-*-
+# Configuration for Linux and LLVM with optimizations
+# Builds the llvmpipe gallium driver
+
+include $(TOP)/configs/linux
+
+CONFIG_NAME = linux-llvm
+
+# Add llvmpipe driver
+GALLIUM_DRIVERS_DIRS += llvmpipe
+
+OPT_FLAGS = -O3 -ansi -pedantic
+ARCH_FLAGS = -mmmx -msse -msse2 -mstackrealign
+
+DEFINES += -DNDEBUG -DGALLIUM_LLVMPIPE
+
+# override -std=c99
+CFLAGS += -std=gnu99
+
+LLVM_VERSION := $(shell llvm-config --version)
+
+ifeq ($(LLVM_VERSION),)
+  $(warning Could not find LLVM! Make Sure 'llvm-config' is in the path)
+  MESA_LLVM=0
+else
+  MESA_LLVM=1
+  HAVE_LLVM := 0x0$(subst .,0,$(LLVM_VERSION:svn=))
+  DEFINES += -DHAVE_LLVM=$(HAVE_LLVM)
+#  $(info Using LLVM version: $(LLVM_VERSION))
+endif
+
+ifeq ($(MESA_LLVM),1)
+  LLVM_CFLAGS=`llvm-config --cppflags`
+  LLVM_CXXFLAGS=`llvm-config --cxxflags backend bitreader engine ipo interpreter instrumentation` -Wno-long-long
+  LLVM_LDFLAGS = $(shell llvm-config --ldflags backend bitreader engine ipo interpreter instrumentation)
+  LLVM_LIBS = $(shell llvm-config --libs backend bitwriter bitreader engine ipo interpreter instrumentation)
+  MKLIB_OPTIONS=-cplusplus
+else
+  LLVM_CFLAGS=
+  LLVM_CXXFLAGS=
+endif
+
+LD = g++
+GL_LIB_DEPS = $(LLVM_LDFLAGS) $(LLVM_LIBS) $(EXTRA_LIB_PATH) -lX11 -lXext -lm -lpthread -lstdc++
diff --git a/mesalib/configure.ac b/mesalib/configure.ac
index d33ca301f..7b8010a76 100644
--- a/mesalib/configure.ac
+++ b/mesalib/configure.ac
@@ -1,1913 +1,1907 @@
-dnl Process this file with autoconf to create configure.
-
-AC_PREREQ([2.59])
-
-dnl Versioning - scrape the version from configs/default
-m4_define([mesa_version],
-    [m4_esyscmd([${MAKE-make} -s -f bin/version.mk version | tr -d '\n' | tr -d '\r'])])
-m4_ifval(mesa_version,,
-    [m4_fatal([Failed to get the Mesa version from `make -f bin/version.mk version`])])
-
-dnl Tell the user about autoconf.html in the --help output
-m4_divert_once([HELP_END], [
-See docs/autoconf.html for more details on the options for Mesa.])
-
-AC_INIT([Mesa],[mesa_version],
-    [https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa])
-AC_CONFIG_AUX_DIR([bin])
-AC_CANONICAL_HOST
-
-dnl Versions for external dependencies
-LIBDRM_REQUIRED=2.4.24
-LIBDRM_RADEON_REQUIRED=2.4.24
-LIBDRM_INTEL_REQUIRED=2.4.24
-DRI2PROTO_REQUIRED=2.1
-GLPROTO_REQUIRED=1.4.11
-LIBDRM_XORG_REQUIRED=2.4.24
-LIBKMS_XORG_REQUIRED=1.0.0
-
-dnl Check for progs
-AC_PROG_CPP
-AC_PROG_CC
-AC_PROG_CXX
-AC_CHECK_PROGS([MAKE], [gmake make])
-AC_CHECK_PROGS([PYTHON2], [python2 python])
-AC_PATH_PROG([MKDEP], [makedepend])
-AC_PATH_PROG([SED], [sed])
-
-if test "x$MKDEP" = "x"; then
-    AC_MSG_ERROR([makedepend is required to build Mesa])
-fi
-
-dnl Our fallback install-sh is a symlink to minstall. Use the existing
-dnl configuration in that case.
-AC_PROG_INSTALL
-test "x$INSTALL" = "x$ac_install_sh" && INSTALL='$(MINSTALL)'
-
-dnl We need a POSIX shell for parts of the build. Assume we have one
-dnl in most cases.
-case "$host_os" in
-solaris*)
-    # Solaris /bin/sh is too old/non-POSIX compliant
-    AC_PATH_PROGS(POSIX_SHELL, [ksh93 ksh sh])
-    SHELL="$POSIX_SHELL"
-    ;;
-esac
-
-dnl clang is mostly GCC-compatible, but its version is much lower,
-dnl so we have to check for it.
-AC_MSG_CHECKING([if compiling with clang])
-
-AC_COMPILE_IFELSE(
-[AC_LANG_PROGRAM([], [[
-#ifndef __clang__
-       not clang
-#endif
-]])],
-[CLANG=yes], [CLANG=no])
-
-AC_MSG_RESULT([$CLANG])
-
-dnl If we're using GCC, make sure that it is at least version 3.3.0.  Older
-dnl versions are explictly not supported.
-if test "x$GCC" = xyes -a "x$CLANG" = xno; then
-    AC_MSG_CHECKING([whether gcc version is sufficient])
-    major=0
-    minor=0
-
-    GCC_VERSION=`$CC -dumpversion`
-    if test $? -eq 0; then
-        major=`echo $GCC_VERSION | cut -d. -f1`
-        minor=`echo $GCC_VERSION | cut -d. -f1`
-    fi
-
-    if test $major -lt 3 -o $major -eq 3 -a $minor -lt 3 ; then
-        AC_MSG_RESULT([no])
-        AC_MSG_ERROR([If using GCC, version 3.3.0 or later is required.])
-    else
-        AC_MSG_RESULT([yes])
-    fi
-fi
-
-
-MKDEP_OPTIONS=-fdepend
-dnl Ask gcc where it's keeping its secret headers
-if test "x$GCC" = xyes; then
-    for dir in include include-fixed; do
-        GCC_INCLUDES=`$CC -print-file-name=$dir`
-        if test "x$GCC_INCLUDES" != x && \
-           test "$GCC_INCLUDES" != "$dir" && \
-           test -d "$GCC_INCLUDES"; then
-            MKDEP_OPTIONS="$MKDEP_OPTIONS -I$GCC_INCLUDES"
-        fi
-    done
-fi
-AC_SUBST([MKDEP_OPTIONS])
-
-dnl Make sure the pkg-config macros are defined
-m4_ifndef([PKG_PROG_PKG_CONFIG],
-    [m4_fatal([Could not locate the pkg-config autoconf macros.
-  These are usually located in /usr/share/aclocal/pkg.m4. If your macros
-  are in a different location, try setting the environment variable
-  ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
-PKG_PROG_PKG_CONFIG()
-
-dnl LIB_DIR - library basename
-LIB_DIR=`echo $libdir | $SED 's%.*/%%'`
-AC_SUBST([LIB_DIR])
-
-dnl Cache LDFLAGS so we can add EXTRA_LIB_PATH and restore it later
-_SAVE_LDFLAGS="$LDFLAGS"
-AC_ARG_VAR([EXTRA_LIB_PATH],[Extra -L paths for the linker])
-AC_SUBST([EXTRA_LIB_PATH])
-
-dnl Cache CPPFLAGS so we can add *_INCLUDES and restore it later
-_SAVE_CPPFLAGS="$CPPFLAGS"
-AC_ARG_VAR([X11_INCLUDES],[Extra -I paths for X11 headers])
-AC_SUBST([X11_INCLUDES])
-
-dnl Compiler macros
-DEFINES=""
-AC_SUBST([DEFINES])
-case "$host_os" in
-linux*|*-gnu*|gnu*)
-    DEFINES="$DEFINES -D_GNU_SOURCE -DPTHREADS"
-    ;;
-solaris*)
-    DEFINES="$DEFINES -DPTHREADS -DSVR4"
-    ;;
-cygwin*)
-    DEFINES="$DEFINES -DPTHREADS"
-    ;;
-esac
-
-dnl Add flags for gcc and g++
-if test "x$GCC" = xyes; then
-    CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99"
-    if test "x$CLANG" = "xno"; then
-       CFLAGS="$CFLAGS -ffast-math"
-    fi
-
-    # Enable -fvisibility=hidden if using a gcc that supports it
-    save_CFLAGS="$CFLAGS"
-    AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
-    VISIBILITY_CFLAGS="-fvisibility=hidden"
-    CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
-    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
-		   [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
-
-    # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
-    CFLAGS=$save_CFLAGS
-
-    # Work around aliasing bugs - developers should comment this out
-    CFLAGS="$CFLAGS -fno-strict-aliasing"
-fi
-if test "x$GXX" = xyes; then
-    CXXFLAGS="$CXXFLAGS -Wall"
-
-    # Enable -fvisibility=hidden if using a gcc that supports it
-    save_CXXFLAGS="$CXXFLAGS"
-    AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
-    VISIBILITY_CXXFLAGS="-fvisibility=hidden"
-    CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
-    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
-		   [VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])]);
-
-    # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
-    CXXFLAGS=$save_CXXFLAGS
-
-    # Work around aliasing bugs - developers should comment this out
-    CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
-fi
-
-AC_SUBST([VISIBILITY_CFLAGS])
-AC_SUBST([VISIBILITY_CXXFLAGS])
-
-dnl These should be unnecessary, but let the user set them if they want
-AC_ARG_VAR([OPT_FLAGS], [Additional optimization flags for the compiler.
-    Default is to use CFLAGS.])
-AC_ARG_VAR([ARCH_FLAGS], [Additional architecture specific flags for the
-    compiler. Default is to use CFLAGS.])
-AC_SUBST([OPT_FLAGS])
-AC_SUBST([ARCH_FLAGS])
-
-dnl
-dnl Hacks to enable 32 or 64 bit build
-dnl
-AC_ARG_ENABLE([32-bit],
-    [AS_HELP_STRING([--enable-32-bit],
-        [build 32-bit libraries @<:@default=auto@:>@])],
-    [enable_32bit="$enableval"],
-    [enable_32bit=auto]
-)
-if test "x$enable_32bit" = xyes; then
-    if test "x$GCC" = xyes; then
-        CFLAGS="$CFLAGS -m32"
-        ARCH_FLAGS="$ARCH_FLAGS -m32"
-    fi
-    if test "x$GXX" = xyes; then
-        CXXFLAGS="$CXXFLAGS -m32"
-    fi
-fi
-AC_ARG_ENABLE([64-bit],
-    [AS_HELP_STRING([--enable-64-bit],
-        [build 64-bit libraries @<:@default=auto@:>@])],
-    [enable_64bit="$enableval"],
-    [enable_64bit=auto]
-)
-if test "x$enable_64bit" = xyes; then
-    if test "x$GCC" = xyes; then
-        CFLAGS="$CFLAGS -m64"
-    fi
-    if test "x$GXX" = xyes; then
-        CXXFLAGS="$CXXFLAGS -m64"
-    fi
-fi
-
-dnl
-dnl shared/static libraries, mimic libtool options
-dnl
-AC_ARG_ENABLE([static],
-    [AS_HELP_STRING([--enable-static],
-        [build static libraries @<:@default=disabled@:>@])],
-    [enable_static="$enableval"],
-    [enable_static=no]
-)
-case "x$enable_static" in
-xyes|xno ) ;;
-x ) enable_static=no ;;
-* )
-    AC_MSG_ERROR([Static library option '$enable_static' is not a valid])
-    ;;
-esac
-AC_ARG_ENABLE([shared],
-    [AS_HELP_STRING([--disable-shared],
-        [build shared libraries @<:@default=enabled@:>@])],
-    [enable_shared="$enableval"],
-    [enable_shared=yes]
-)
-case "x$enable_shared" in
-xyes|xno ) ;;
-x ) enable_shared=yes ;;
-* )
-    AC_MSG_ERROR([Shared library option '$enable_shared' is not a valid])
-    ;;
-esac
-
-dnl Can't have static and shared libraries, default to static if user
-dnl explicitly requested. If both disabled, set to static since shared
-dnl was explicitly requirested.
-case "x$enable_static$enable_shared" in
-xyesyes )
-    AC_MSG_WARN([Can't build static and shared libraries, disabling shared])
-    enable_shared=no
-    ;;
-xnono )
-    AC_MSG_WARN([Can't disable both static and shared libraries, enabling static])
-    enable_static=yes
-    ;;
-esac
-
-dnl
-dnl mklib options
-dnl
-AC_ARG_VAR([MKLIB_OPTIONS],[Options for the Mesa library script, mklib])
-if test "$enable_static" = yes; then
-    MKLIB_OPTIONS="$MKLIB_OPTIONS -static"
-fi
-AC_SUBST([MKLIB_OPTIONS])
-
-dnl
-dnl other compiler options
-dnl
-AC_ARG_ENABLE([debug],
-    [AS_HELP_STRING([--enable-debug],
-        [use debug compiler flags and macros @<:@default=disabled@:>@])],
-    [enable_debug="$enableval"],
-    [enable_debug=no]
-)
-if test "x$enable_debug" = xyes; then
-    DEFINES="$DEFINES -DDEBUG"
-    if test "x$GCC" = xyes; then
-        CFLAGS="$CFLAGS -g"
-    fi
-    if test "x$GXX" = xyes; then
-        CXXFLAGS="$CXXFLAGS -g"
-    fi
-fi
-
-dnl
-dnl library names
-dnl
-LIB_PREFIX_GLOB='lib'
-LIB_VERSION_SEPARATOR='.'
-if test "$enable_static" = yes; then
-    LIB_EXTENSION='a'
-else
-    case "$host_os" in
-    darwin* )
-        LIB_EXTENSION='dylib' ;;
-    cygwin* )
-        dnl prefix can be 'cyg' or 'lib'
-        LIB_PREFIX_GLOB='???'
-        LIB_VERSION_SEPARATOR='-'
-        LIB_EXTENSION='dll' ;;
-    aix* )
-        LIB_EXTENSION='a' ;;
-    * )
-        LIB_EXTENSION='so' ;;
-    esac
-fi
-
-GL_LIB_NAME='lib$(GL_LIB).'${LIB_EXTENSION}
-GLU_LIB_NAME='lib$(GLU_LIB).'${LIB_EXTENSION}
-GLUT_LIB_NAME='lib$(GLUT_LIB).'${LIB_EXTENSION}
-GLW_LIB_NAME='lib$(GLW_LIB).'${LIB_EXTENSION}
-OSMESA_LIB_NAME='lib$(OSMESA_LIB).'${LIB_EXTENSION}
-EGL_LIB_NAME='lib$(EGL_LIB).'${LIB_EXTENSION}
-GLESv1_CM_LIB_NAME='lib$(GLESv1_CM_LIB).'${LIB_EXTENSION}
-GLESv2_LIB_NAME='lib$(GLESv2_LIB).'${LIB_EXTENSION}
-VG_LIB_NAME='lib$(VG_LIB).'${LIB_EXTENSION}
-GLAPI_LIB_NAME='lib$(GLAPI_LIB).'${LIB_EXTENSION}
-WAYLAND_EGL_LIB_NAME='lib$(WAYLAND_EGL_LIB).'${LIB_EXTENSION}
-
-GL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLU_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLU_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLUT_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLUT_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLW_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLW_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-OSMESA_LIB_GLOB=${LIB_PREFIX_GLOB}'$(OSMESA_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLESv1_CM_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv1_CM_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLESv2_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv2_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-VG_LIB_GLOB=${LIB_PREFIX_GLOB}'$(VG_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-GLAPI_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLAPI_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-WAYLAND_EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(WAYLAND_EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
-
-AC_SUBST([GL_LIB_NAME])
-AC_SUBST([GLU_LIB_NAME])
-AC_SUBST([GLUT_LIB_NAME])
-AC_SUBST([GLW_LIB_NAME])
-AC_SUBST([OSMESA_LIB_NAME])
-AC_SUBST([EGL_LIB_NAME])
-AC_SUBST([GLESv1_CM_LIB_NAME])
-AC_SUBST([GLESv2_LIB_NAME])
-AC_SUBST([VG_LIB_NAME])
-AC_SUBST([GLAPI_LIB_NAME])
-AC_SUBST([WAYLAND_EGL_LIB_NAME])
-
-AC_SUBST([GL_LIB_GLOB])
-AC_SUBST([GLU_LIB_GLOB])
-AC_SUBST([GLUT_LIB_GLOB])
-AC_SUBST([GLW_LIB_GLOB])
-AC_SUBST([OSMESA_LIB_GLOB])
-AC_SUBST([EGL_LIB_GLOB])
-AC_SUBST([GLESv1_CM_LIB_GLOB])
-AC_SUBST([GLESv2_LIB_GLOB])
-AC_SUBST([VG_LIB_GLOB])
-AC_SUBST([GLAPI_LIB_GLOB])
-AC_SUBST([WAYLAND_EGL_LIB_GLOB])
-
-dnl
-dnl Arch/platform-specific settings
-dnl
-AC_ARG_ENABLE([asm],
-    [AS_HELP_STRING([--disable-asm],
-        [disable assembly usage @<:@default=enabled on supported plaforms@:>@])],
-    [enable_asm="$enableval"],
-    [enable_asm=yes]
-)
-asm_arch=""
-ASM_FLAGS=""
-MESA_ASM_SOURCES=""
-GLAPI_ASM_SOURCES=""
-AC_MSG_CHECKING([whether to enable assembly])
-test "x$enable_asm" = xno && AC_MSG_RESULT([no])
-# disable if cross compiling on x86/x86_64 since we must run gen_matypes
-if test "x$enable_asm" = xyes && test "x$cross_compiling" = xyes; then
-    case "$host_cpu" in
-    i?86 | x86_64)
-        enable_asm=no
-        AC_MSG_RESULT([no, cross compiling])
-        ;;
-    esac
-fi
-# check for supported arches
-if test "x$enable_asm" = xyes; then
-    case "$host_cpu" in
-    i?86)
-        case "$host_os" in
-        linux* | *freebsd* | dragonfly* | *netbsd*)
-            test "x$enable_64bit" = xyes && asm_arch=x86_64 || asm_arch=x86
-            ;;
-        esac
-        ;;
-    x86_64)
-        case "$host_os" in
-        linux* | *freebsd* | dragonfly* | *netbsd*)
-            test "x$enable_32bit" = xyes && asm_arch=x86 || asm_arch=x86_64
-            ;;
-        esac
-        ;;
-    powerpc)
-        case "$host_os" in
-        linux*)
-            asm_arch=ppc
-            ;;
-        esac
-        ;;
-    sparc*)
-        case "$host_os" in
-        linux*)
-            asm_arch=sparc
-            ;;
-        esac
-        ;;
-    esac
-
-    case "$asm_arch" in
-    x86)
-        ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
-        MESA_ASM_SOURCES='$(X86_SOURCES)'
-        GLAPI_ASM_SOURCES='$(X86_API)'
-        AC_MSG_RESULT([yes, x86])
-        ;;
-    x86_64)
-        ASM_FLAGS="-DUSE_X86_64_ASM"
-        MESA_ASM_SOURCES='$(X86-64_SOURCES)'
-        GLAPI_ASM_SOURCES='$(X86-64_API)'
-        AC_MSG_RESULT([yes, x86_64])
-        ;;
-    ppc)
-        ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM"
-        MESA_ASM_SOURCES='$(PPC_SOURCES)'
-        AC_MSG_RESULT([yes, ppc])
-        ;;
-    sparc)
-        ASM_FLAGS="-DUSE_SPARC_ASM"
-        MESA_ASM_SOURCES='$(SPARC_SOURCES)'
-        GLAPI_ASM_SOURCES='$(SPARC_API)'
-        AC_MSG_RESULT([yes, sparc])
-        ;;
-    *)
-        AC_MSG_RESULT([no, platform not supported])
-        ;;
-    esac
-fi
-AC_SUBST([ASM_FLAGS])
-AC_SUBST([MESA_ASM_SOURCES])
-AC_SUBST([GLAPI_ASM_SOURCES])
-
-dnl PIC code macro
-MESA_PIC_FLAGS
-
-dnl Check to see if dlopen is in default libraries (like Solaris, which
-dnl has it in libc), or if libdl is needed to get it.
-AC_CHECK_FUNC([dlopen], [],
-    [AC_CHECK_LIB([dl], [dlopen], [DLOPEN_LIBS="-ldl"])])
-AC_SUBST([DLOPEN_LIBS])
-
-dnl See if posix_memalign is available
-AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
-
-dnl SELinux awareness.
-AC_ARG_ENABLE([selinux],
-    [AS_HELP_STRING([--enable-selinux],
-        [Build SELinux-aware Mesa @<:@default=disabled@:>@])],
-    [MESA_SELINUX="$enableval"],
-    [MESA_SELINUX=no])
-if test "x$enable_selinux" = "xyes"; then
-    AC_CHECK_HEADER([selinux/selinux.h],[],
-                    [AC_MSG_ERROR([SELinux headers not found])])
-    AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
-                 [AC_MSG_ERROR([SELinux library not found])])
-    SELINUX_LIBS="-lselinux"
-    DEFINES="$DEFINES -DMESA_SELINUX"
-fi
-
-dnl Determine which APIs to support
-AC_ARG_ENABLE([opengl],
-    [AS_HELP_STRING([--disable-opengl],
-        [disable support for standard OpenGL API @<:@default=no@:>@])],
-    [enable_opengl="$enableval"],
-    [enable_opengl=yes])
-AC_ARG_ENABLE([gles1],
-    [AS_HELP_STRING([--enable-gles1],
-        [enable support for OpenGL ES 1.x API @<:@default=no@:>@])],
-    [enable_gles1="$enableval"],
-    [enable_gles1=no])
-AC_ARG_ENABLE([gles2],
-    [AS_HELP_STRING([--enable-gles2],
-        [enable support for OpenGL ES 2.x API @<:@default=no@:>@])],
-    [enable_gles2="$enableval"],
-    [enable_gles2=no])
-AC_ARG_ENABLE([gles-overlay],
-    [AS_HELP_STRING([--enable-gles-overlay],
-        [DEPRECATED.  Same as --enable-gles1 and --enable-gles2])],
-    [enable_gles1="$enableval"; enable_gles2="$enableval"],
-    [])
-
-AC_ARG_ENABLE([openvg],
-    [AS_HELP_STRING([--enable-openvg],
-        [enable support for OpenVG API @<:@default=no@:>@])],
-    [enable_openvg="$enableval"],
-    [enable_openvg=no])
-
-dnl smooth the transition; should be removed eventually
-if test "x$enable_openvg" = xno; then
-    case "x$with_state_trackers" in
-    x*vega*)
-        AC_MSG_WARN([vega state tracker is enabled without --enable-openvg])
-        enable_openvg=yes
-        ;;
-    esac
-fi
-
-if test "x$enable_opengl" = xno -a \
-        "x$enable_gles1" = xno -a \
-        "x$enable_gles2" = xno -a \
-        "x$enable_openvg" = xno; then
-    AC_MSG_ERROR([at least one API should be enabled])
-fi
-
-API_DEFINES=""
-if test "x$enable_opengl" = xno; then
-    API_DEFINES="$API_DEFINES -DFEATURE_GL=0"
-else
-    API_DEFINES="$API_DEFINES -DFEATURE_GL=1"
-fi
-if test "x$enable_gles1" = xyes; then
-    API_DEFINES="$API_DEFINES -DFEATURE_ES1=1"
-fi
-if test "x$enable_gles2" = xyes; then
-    API_DEFINES="$API_DEFINES -DFEATURE_ES2=1"
-fi
-AC_SUBST([API_DEFINES])
-
-AC_ARG_ENABLE([shared-glapi],
-    [AS_HELP_STRING([--enable-shared-glapi],
-        [EXPERIMENTAL.  Enable shared glapi for OpenGL @<:@default=no@:>@])],
-    [enable_shared_glapi="$enableval"],
-    [enable_shared_glapi=no])
-
-SHARED_GLAPI="0"
-if test "x$enable_shared_glapi" = xyes; then
-    SHARED_GLAPI="1"
-fi
-AC_SUBST([SHARED_GLAPI])
-
-dnl
-dnl Driver configuration. Options are xlib, dri and osmesa right now.
-dnl More later: fbdev, ...
-dnl
-default_driver="xlib"
-
-case "$host_os" in
-linux*)
-    case "$host_cpu" in
-    i*86|x86_64|powerpc*|sparc*) default_driver="dri";;
-    esac
-    ;;
-*freebsd* | dragonfly* | *netbsd*)
-    case "$host_cpu" in
-    i*86|x86_64|powerpc*|sparc*) default_driver="dri";;
-    esac
-    ;;
-esac
-
-if test "x$enable_opengl" = xno; then
-    default_driver="no"
-fi
-
-AC_ARG_WITH([driver],
-    [AS_HELP_STRING([--with-driver=DRIVER],
-        [driver for Mesa: xlib,dri,osmesa @<:@default=dri when available, or xlib@:>@])],
-    [mesa_driver="$withval"],
-    [mesa_driver="$default_driver"])
-dnl Check for valid option
-case "x$mesa_driver" in
-xxlib|xdri|xosmesa)
-    if test "x$enable_opengl" = xno; then
-        AC_MSG_ERROR([Driver '$mesa_driver' requires OpenGL enabled])
-    fi
-    ;;
-xno)
-    ;;
-*)
-    AC_MSG_ERROR([Driver '$mesa_driver' is not a valid option])
-    ;;
-esac
-
-dnl
-dnl Driver specific build directories
-dnl
-
-dnl this variable will be prepended to SRC_DIRS and is not exported
-CORE_DIRS=""
-
-SRC_DIRS=""
-GLU_DIRS="sgi"
-GALLIUM_DIRS="auxiliary drivers state_trackers"
-GALLIUM_TARGET_DIRS=""
-GALLIUM_WINSYS_DIRS="sw"
-GALLIUM_DRIVERS_DIRS="softpipe failover galahad trace rbug noop identity"
-GALLIUM_STATE_TRACKERS_DIRS=""
-
-# build shared-glapi if enabled for OpenGL or if OpenGL ES is enabled
-case "x$enable_shared_glapi$enable_gles1$enable_gles2" in
-x*yes*)
-    CORE_DIRS="$CORE_DIRS mapi/shared-glapi"
-    ;;
-esac
-
-# build glapi if OpenGL is enabled
-if test "x$enable_opengl" = xyes; then
-    CORE_DIRS="$CORE_DIRS mapi/glapi"
-fi
-
-# build es1api if OpenGL ES 1.x is enabled
-if test "x$enable_gles1" = xyes; then
-    CORE_DIRS="$CORE_DIRS mapi/es1api"
-fi
-
-# build es2api if OpenGL ES 2.x is enabled
-if test "x$enable_gles2" = xyes; then
-    CORE_DIRS="$CORE_DIRS mapi/es2api"
-fi
-
-# build vgapi if OpenVG is enabled
-if test "x$enable_openvg" = xyes; then
-    CORE_DIRS="$CORE_DIRS mapi/vgapi"
-fi
-
-# build glsl and mesa if OpenGL or OpenGL ES is enabled
-case "x$enable_opengl$enable_gles1$enable_gles2" in
-x*yes*)
-    CORE_DIRS="$CORE_DIRS glsl mesa"
-    ;;
-esac
-
-case "$mesa_driver" in
-xlib)
-    DRIVER_DIRS="x11"
-    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib"
-    GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS libgl-xlib"
-    ;;
-dri)
-    SRC_DIRS="$SRC_DIRS glx"
-    DRIVER_DIRS="dri"
-    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib sw/dri"
-    ;;
-osmesa)
-    DRIVER_DIRS="osmesa"
-    ;;
-no)
-    DRIVER_DRIS=""
-    ;;
-esac
-AC_SUBST([SRC_DIRS])
-AC_SUBST([GLU_DIRS])
-AC_SUBST([DRIVER_DIRS])
-AC_SUBST([GALLIUM_DIRS])
-AC_SUBST([GALLIUM_TARGET_DIRS])
-AC_SUBST([GALLIUM_WINSYS_DIRS])
-AC_SUBST([GALLIUM_DRIVERS_DIRS])
-AC_SUBST([GALLIUM_STATE_TRACKERS_DIRS])
-AC_SUBST([MESA_LLVM])
-
-dnl
-dnl Find out if X is available. The variable have_x is set if libX11 is
-dnl found to mimic AC_PATH_XTRA.
-dnl
-if test -n "$PKG_CONFIG"; then
-    AC_MSG_CHECKING([pkg-config files for X11 are available])
-    PKG_CHECK_EXISTS([x11],[
-        x11_pkgconfig=yes
-        have_x=yes
-        ],[
-        x11_pkgconfig=no
-    ])
-    AC_MSG_RESULT([$x11_pkgconfig])
-else
-    x11_pkgconfig=no
-fi
-dnl Use the autoconf macro if no pkg-config files
-if test "$x11_pkgconfig" = yes; then
-    PKG_CHECK_MODULES([X11], [x11])
-else
-    AC_PATH_XTRA
-    test -z "$X11_CFLAGS" && X11_CFLAGS="$X_CFLAGS"
-    test -z "$X11_LIBS" && X11_LIBS="$X_LIBS -lX11"
-    AC_SUBST([X11_CFLAGS])
-    AC_SUBST([X11_LIBS])
-fi
-
-dnl Try to tell the user that the --x-* options are only used when
-dnl pkg-config is not available. This must be right after AC_PATH_XTRA.
-m4_divert_once([HELP_BEGIN],
-[These options are only used when the X libraries cannot be found by the
-pkg-config utility.])
-
-dnl We need X for xlib and dri, so bomb now if it's not found
-case "$mesa_driver" in
-xlib|dri)
-    if test "$no_x" = yes; then
-        AC_MSG_ERROR([X11 development libraries needed for $mesa_driver driver])
-    fi
-    ;;
-esac
-
-dnl XCB - this is only used for GLX right now
-AC_ARG_ENABLE([xcb],
-    [AS_HELP_STRING([--enable-xcb],
-        [use XCB for GLX @<:@default=disabled@:>@])],
-    [enable_xcb="$enableval"],
-    [enable_xcb=no])
-if test "x$enable_xcb" = xyes; then
-    DEFINES="$DEFINES -DUSE_XCB"
-else
-    enable_xcb=no
-fi
-
-dnl
-dnl libGL configuration per driver
-dnl
-case "$mesa_driver" in
-xlib)
-    if test "$x11_pkgconfig" = yes; then
-        PKG_CHECK_MODULES([XLIBGL], [x11 xext])
-        GL_PC_REQ_PRIV="x11 xext"
-        X11_INCLUDES="$X11_INCLUDES $XLIBGL_CFLAGS"
-        GL_LIB_DEPS="$XLIBGL_LIBS"
-    else
-        # should check these...
-        X11_INCLUDES="$X11_INCLUDES $X_CFLAGS"
-        GL_LIB_DEPS="$X_LIBS -lX11 -lXext"
-        GL_PC_LIB_PRIV="$GL_LIB_DEPS"
-        GL_PC_CFLAGS="$X11_INCLUDES"
-    fi
-    GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm -lpthread"
-    GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm -lpthread"
-
-    # if static, move the external libraries to the programs
-    # and empty the libraries for libGL
-    if test "$enable_static" = yes; then
-        APP_LIB_DEPS="$APP_LIB_DEPS $GL_LIB_DEPS"
-        GL_LIB_DEPS=""
-    fi
-    ;;
-dri|no) # these checks are still desired when there is no mesa_driver
-    # DRI must be shared, I think
-    if test "$enable_static" = yes; then
-        AC_MSG_ERROR([Can't use static libraries for DRI drivers])
-    fi
-
-    # Check for libdrm
-    PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED])
-    PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
-    PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
-    GL_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED dri2proto >= $DRI2PROTO_REQUIRED glproto >= $GLPROTO_REQUIRED"
-    DRI_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED"
-
-    # find the DRI deps for libGL
-    if test "$x11_pkgconfig" = yes; then
-        dri_modules="x11 xext xdamage xfixes"
-
-        # add xf86vidmode if available
-        PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)
-        if test "$HAVE_XF86VIDMODE" = yes ; then
-            dri_modules="$dri_modules xxf86vm"
-        fi
-
-        # add xcb modules if necessary
-        if test "$enable_xcb" = yes; then
-            dri_modules="$dri_modules x11-xcb xcb-glx"
-        fi
-
-        PKG_CHECK_MODULES([DRIGL], [$dri_modules])
-        GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV $dri_modules"
-        X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
-        GL_LIB_DEPS="$DRIGL_LIBS"
-    else
-        # should check these...
-        X11_INCLUDES="$X11_INCLUDES $X_CFLAGS"
-        GL_LIB_DEPS="$X_LIBS -lX11 -lXext -lXxf86vm -lXdamage -lXfixes"
-        GL_PC_LIB_PRIV="$GL_LIB_DEPS"
-        GL_PC_CFLAGS="$X11_INCLUDES"
-
-        # XCB can only be used from pkg-config
-        if test "$enable_xcb" = yes; then
-            PKG_CHECK_MODULES([XCB],[x11-xcb xcb-glx])
-            GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV x11-xcb xcb-glx"
-            X11_INCLUDES="$X11_INCLUDES $XCB_CFLAGS"
-            GL_LIB_DEPS="$GL_LIB_DEPS $XCB_LIBS"
-        fi
-    fi
-
-    # need DRM libs, -lpthread, etc.
-    GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
-    GL_PC_LIB_PRIV="-lm -lpthread $DLOPEN_LIBS"
-    GLESv1_CM_LIB_DEPS="$LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
-    GLESv1_CM_PC_LIB_PRIV="-lm -lpthread $DLOPEN_LIBS"
-    GLESv2_LIB_DEPS="$LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
-    GLESv2_PC_LIB_PRIV="-lm -lpthread $DLOPEN_LIBS"
-    ;;
-osmesa)
-    # No libGL for osmesa
-    GL_LIB_DEPS=""
-    ;;
-esac
-AC_SUBST([GL_LIB_DEPS])
-AC_SUBST([GL_PC_REQ_PRIV])
-AC_SUBST([GL_PC_LIB_PRIV])
-AC_SUBST([GL_PC_CFLAGS])
-AC_SUBST([DRI_PC_REQ_PRIV])
-AC_SUBST([GLESv1_CM_LIB_DEPS])
-AC_SUBST([GLESv1_CM_PC_LIB_PRIV])
-AC_SUBST([GLESv2_LIB_DEPS])
-AC_SUBST([GLESv2_PC_LIB_PRIV])
-
-GLAPI_LIB_DEPS="-lpthread"
-AC_SUBST([GLAPI_LIB_DEPS])
-
-
-dnl Setup default DRI CFLAGS
-DRI_CFLAGS='$(CFLAGS)'
-DRI_CXXFLAGS='$(CXXFLAGS)'
-DRI_LIB_DEPS='$(TOP)/src/mesa/libmesa.a'
-MESA_MODULES='$(TOP)/src/mesa/libmesa.a'
-
-AC_ARG_ENABLE([shared-dricore],
-    [AS_HELP_STRING([--enable-shared-dricore],
-        [link DRI modules with shared core DRI routines @<:@default=disabled@:>@])],
-    [enable_dricore="$enableval"],
-    [enable_dricore=no])
-if test "$mesa_driver" = dri ; then
-   if test "$enable_dricore" = yes ; then
-      if test "$GCC$GXX" != yesyes ; then
-      	 AC_MSG_WARN([Shared dricore requires GCC-compatible rpath handling.  Disabling shared dricore])
-	 enable_dricore=no
-      else
-	 DRICORE_GLSL_LIBS='$(TOP)/$(LIB_DIR)/libglsl.so'
-	 DRICORE_LIBS='$(TOP)/$(LIB_DIR)/libdricore.so'
-	 DRICORE_LIB_DEPS='-L$(TOP)/$(LIB_DIR) -Wl,-R$(DRI_DRIVER_INSTALL_DIR) -lglsl'
-      	 DRI_LIB_DEPS='-L$(TOP)/$(LIB_DIR) -Wl,-R$(DRI_DRIVER_INSTALL_DIR) -ldricore -lglsl'
-      	 DRI_CFLAGS='$(CFLAGS_NOVISIBILITY) -DUSE_DRICORE'
-      	 DRI_CXXFLAGS='$(CXXFLAGS_NOVISIBILITY) -DUSE_DRICORE'
-      	 MESA_MODULES='$(DRICORE_LIBS) $(DRICORE_GLSL_LIBS)'
-      fi
-   fi
-fi
-AC_SUBST([DRICORE_LIBS])
-AC_SUBST([DRICORE_GLSL_LIBS])
-AC_SUBST([DRICORE_LIB_DEPS])
-AC_SUBST([DRI_CXXFLAGS])
-AC_SUBST([DRI_CFLAGS])
-AC_SUBST([MESA_MODULES])
-
-AC_SUBST([HAVE_XF86VIDMODE])
-
-PKG_CHECK_MODULES([LIBDRM_RADEON],
-		  [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED],
-		  HAVE_LIBDRM_RADEON=yes,
-		  HAVE_LIBDRM_RADEON=no)
-
-dnl
-dnl More X11 setup
-dnl
-if test "$mesa_driver" = xlib; then
-    DEFINES="$DEFINES -DUSE_XSHM"
-fi
-
-dnl
-dnl TLS detection
-dnl
-
-AC_ARG_ENABLE([glx-tls],
-    [AS_HELP_STRING([--enable-glx-tls],
-        [enable TLS support in GLX @<:@default=disabled@:>@])],
-    [GLX_USE_TLS="$enableval"],
-    [GLX_USE_TLS=no])
-AC_SUBST(GLX_TLS, ${GLX_USE_TLS})
-
-AS_IF([test "x$GLX_USE_TLS" = xyes],
-      [DEFINES="${DEFINES} -DGLX_USE_TLS -DPTHREADS"])
-
-dnl
-dnl More DRI setup
-dnl
-dnl Directory for DRI drivers
-AC_ARG_WITH([dri-driverdir],
-    [AS_HELP_STRING([--with-dri-driverdir=DIR],
-        [directory for the DRI drivers @<:@${libdir}/dri@:>@])],
-    [DRI_DRIVER_INSTALL_DIR="$withval"],
-    [DRI_DRIVER_INSTALL_DIR='${libdir}/dri'])
-AC_SUBST([DRI_DRIVER_INSTALL_DIR])
-dnl Extra search path for DRI drivers
-AC_ARG_WITH([dri-searchpath],
-    [AS_HELP_STRING([--with-dri-searchpath=DIRS...],
-        [semicolon delimited DRI driver search directories @<:@${libdir}/dri@:>@])],
-    [DRI_DRIVER_SEARCH_DIR="$withval"],
-    [DRI_DRIVER_SEARCH_DIR='${DRI_DRIVER_INSTALL_DIR}'])
-AC_SUBST([DRI_DRIVER_SEARCH_DIR])
-dnl Direct rendering or just indirect rendering
-AC_ARG_ENABLE([driglx-direct],
-    [AS_HELP_STRING([--disable-driglx-direct],
-        [enable direct rendering in GLX and EGL for DRI @<:@default=enabled@:>@])],
-    [driglx_direct="$enableval"],
-    [driglx_direct="yes"])
-dnl Which drivers to build - default is chosen by platform
-AC_ARG_WITH([dri-drivers],
-    [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
-        [comma delimited DRI drivers list, e.g.
-        "swrast,i965,radeon" @<:@default=auto@:>@])],
-    [with_dri_drivers="$withval"],
-    [with_dri_drivers=yes])
-if test "x$with_dri_drivers" = x; then
-    with_dri_drivers=no
-fi
-
-dnl If $with_dri_drivers is yes, directories will be added through
-dnl platform checks
-DRI_DIRS=""
-case "$with_dri_drivers" in
-no) ;;
-yes)
-    DRI_DIRS="yes"
-    ;;
-*)
-    # verify the requested driver directories exist
-    dri_drivers=`IFS=', '; echo $with_dri_drivers`
-    for driver in $dri_drivers; do
-        test -d "$srcdir/src/mesa/drivers/dri/$driver" || \
-            AC_MSG_ERROR([DRI driver directory '$driver' doesn't exist])
-    done
-    DRI_DIRS="$dri_drivers"
-    ;;
-esac
-
-dnl Set DRI_DIRS, DEFINES and LIB_DEPS
-if test "$mesa_driver" = dri -o "$mesa_driver" = no; then
-    # Platform specific settings and drivers to build
-    case "$host_os" in
-    linux*)
-        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
-        if test "x$driglx_direct" = xyes; then
-            DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
-        fi
-        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING -DHAVE_ALIAS"
-
-        case "$host_cpu" in
-        x86_64)
-            # sis is missing because they have not be converted to use
-            # the new interface.  i810 are missing because there is no
-            # x86-64 system where they could *ever* be used.
-            if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="i915 i965 mach64 mga r128 r200 r300 r600 radeon \
-                    savage tdfx unichrome swrast"
-            fi
-            ;;
-        powerpc*)
-            # Build only the drivers for cards that exist on PowerPC.
-            # At some point MGA will be added, but not yet.
-            if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="mach64 r128 r200 r300 r600 radeon tdfx swrast"
-            fi
-            ;;
-        sparc*)
-            # Build only the drivers for cards that exist on sparc`
-            if test "x$DRI_DIRS" = "xyes"; then
-                DRI_DIRS="mach64 r128 r200 r300 r600 radeon swrast"
-            fi
-            ;;
-        esac
-        ;;
-    freebsd* | dragonfly* | *netbsd*)
-        DEFINES="$DEFINES -DPTHREADS -DUSE_EXTERNAL_DXTN_LIB=1"
-        DEFINES="$DEFINES -DIN_DRI_DRIVER -DHAVE_ALIAS"
-        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
-        if test "x$driglx_direct" = xyes; then
-            DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
-        fi
-
-        if test "x$DRI_DIRS" = "xyes"; then
-            DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 r600 radeon tdfx \
-                unichrome savage sis swrast"
-        fi
-        ;;
-    gnu*)
-        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
-        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING -DHAVE_ALIAS"
-	;;
-    solaris*)
-        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
-        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
-        if test "x$driglx_direct" = xyes; then
-            DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
-        fi
-        ;;
-    esac
-
-    # default drivers
-    if test "x$DRI_DIRS" = "xyes"; then
-        DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 r600 radeon \
-            savage sis tdfx unichrome swrast"
-    fi
-
-    DRI_DIRS=`echo "$DRI_DIRS" | $SED 's/  */ /g'`
-
-    # Check for expat
-    if test "$mesa_driver" = dri; then
-        EXPAT_INCLUDES=""
-        EXPAT_LIB=-lexpat
-        AC_ARG_WITH([expat],
-            [AS_HELP_STRING([--with-expat=DIR],
-                [expat install directory])],[
-            EXPAT_INCLUDES="-I$withval/include"
-            CPPFLAGS="$CPPFLAGS $EXPAT_INCLUDES"
-            LDFLAGS="$LDFLAGS -L$withval/$LIB_DIR"
-            EXPAT_LIB="-L$withval/$LIB_DIR -lexpat"
-            ])
-        AC_CHECK_HEADER([expat.h],[],[AC_MSG_ERROR([Expat required for DRI.])])
-        AC_CHECK_LIB([expat],[XML_ParserCreate],[],
-            [AC_MSG_ERROR([Expat required for DRI.])])
-    fi
-
-    # put all the necessary libs together, including possibly libdricore
-    DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
-fi
-AC_SUBST([DRI_DIRS])
-AC_SUBST([EXPAT_INCLUDES])
-AC_SUBST([DRI_LIB_DEPS])
-
-case $DRI_DIRS in
-*i915*|*i965*)
-    PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
-    ;;
-esac
-
-case $DRI_DIRS in
-*radeon*|*r200*|*r300*|*r600*)
-    if test "x$HAVE_LIBDRM_RADEON" = xyes; then
-	RADEON_CFLAGS="-DHAVE_LIBDRM_RADEON=1 $LIBDRM_RADEON_CFLAGS"
-	RADEON_LDFLAGS=$LIBDRM_RADEON_LIBS
-    fi
-    ;;
-esac
-AC_SUBST([RADEON_CFLAGS])
-AC_SUBST([RADEON_LDFLAGS])
-
-
-dnl
-dnl OSMesa configuration
-dnl
-if test "$mesa_driver" = xlib; then
-    default_gl_osmesa=yes
-else
-    default_gl_osmesa=no
-fi
-AC_ARG_ENABLE([gl-osmesa],
-    [AS_HELP_STRING([--enable-gl-osmesa],
-        [enable OSMesa with libGL @<:@default=enabled for xlib driver@:>@])],
-    [gl_osmesa="$enableval"],
-    [gl_osmesa="$default_gl_osmesa"])
-if test "x$gl_osmesa" = xyes; then
-    if test "x$enable_opengl" = xno; then
-        AC_MSG_ERROR([OpenGL is not available for OSMesa driver])
-    fi
-    if test "$mesa_driver" = osmesa; then
-        AC_MSG_ERROR([libGL is not available for OSMesa driver])
-    else
-        DRIVER_DIRS="$DRIVER_DIRS osmesa"
-    fi
-fi
-
-dnl Configure the channel bits for OSMesa (libOSMesa, libOSMesa16, ...)
-AC_ARG_WITH([osmesa-bits],
-    [AS_HELP_STRING([--with-osmesa-bits=BITS],
-        [OSMesa channel bits and library name: 8, 16, 32 @<:@default=8@:>@])],
-    [osmesa_bits="$withval"],
-    [osmesa_bits=8])
-if test "$mesa_driver" != osmesa && test "x$osmesa_bits" != x8; then
-    AC_MSG_WARN([Ignoring OSMesa channel bits for non-OSMesa driver])
-    osmesa_bits=8
-fi
-case "x$osmesa_bits" in
-x8)
-    OSMESA_LIB=OSMesa
-    ;;
-x16|x32)
-    OSMESA_LIB="OSMesa$osmesa_bits"
-    DEFINES="$DEFINES -DCHAN_BITS=$osmesa_bits -DDEFAULT_SOFTWARE_DEPTH_BITS=31"
-    ;;
-*)
-    AC_MSG_ERROR([OSMesa bits '$osmesa_bits' is not a valid option])
-    ;;
-esac
-AC_SUBST([OSMESA_LIB])
-
-case "$DRIVER_DIRS" in
-*osmesa*)
-    # only link libraries with osmesa if shared
-    if test "$enable_static" = no; then
-        OSMESA_LIB_DEPS="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
-    else
-        OSMESA_LIB_DEPS=""
-    fi
-    OSMESA_MESA_DEPS=""
-    OSMESA_PC_LIB_PRIV="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
-    ;;
-esac
-AC_SUBST([OSMESA_LIB_DEPS])
-AC_SUBST([OSMESA_MESA_DEPS])
-AC_SUBST([OSMESA_PC_REQ])
-AC_SUBST([OSMESA_PC_LIB_PRIV])
-
-dnl
-dnl EGL configuration
-dnl
-AC_ARG_ENABLE([egl],
-    [AS_HELP_STRING([--disable-egl],
-        [disable EGL library @<:@default=enabled@:>@])],
-    [enable_egl="$enableval"],
-    [enable_egl=yes])
-if test "x$enable_egl" = xno; then
-    if test "x$mesa_driver" = xno; then
-        AC_MSG_ERROR([cannot disable EGL when there is no mesa driver])
-    fi
-    if test "x$enable_openvg" = xyes; then
-        AC_MSG_ERROR([cannot enable OpenVG without EGL])
-    fi
-fi
-if test "x$enable_egl" = xyes; then
-    SRC_DIRS="$SRC_DIRS egl"
-    EGL_LIB_DEPS="$DLOPEN_LIBS -lpthread"
-    EGL_DRIVERS_DIRS=""
-    if test "$enable_static" != yes; then
-        # build egl_glx when libGL is built
-        if test "$mesa_driver" = xlib -o "$mesa_driver" = dri; then
-            EGL_DRIVERS_DIRS="glx"
-        fi
-
-        if test "$mesa_driver" = dri; then
-            # build egl_dri2 when xcb-dri2 is available
-            PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 xcb-xfixes],
-            		  [have_xcb_dri2=yes],[have_xcb_dri2=no])
-            PKG_CHECK_MODULES([LIBUDEV], [libudev > 150],
-            		  [have_libudev=yes],[have_libudev=no])
-            
-            if test "$have_xcb_dri2" = yes; then
-                EGL_DRIVER_DRI2=dri2
-                DEFINES="$DEFINES -DHAVE_XCB_DRI2"
-                if test "$have_libudev" = yes; then
-                    DEFINES="$DEFINES -DHAVE_LIBUDEV"
-                fi
-                # workaround a bug in xcb-dri2 generated by xcb-proto 1.6
-                AC_CHECK_LIB(xcb-dri2, xcb_dri2_connect_alignment_pad, [],
-                          [DEFINES="$DEFINES -DXCB_DRI2_CONNECT_DEVICE_NAME_BROKEN"])
-            fi
-	fi
-
-        EGL_DRIVERS_DIRS="$EGL_DRIVERS_DIRS $EGL_DRIVER_DRI2"
-    fi
-fi
-AC_SUBST([EGL_LIB_DEPS])
-AC_SUBST([EGL_DRIVERS_DIRS])
-
-dnl
-dnl GLU configuration
-dnl
-AC_ARG_ENABLE([glu],
-    [AS_HELP_STRING([--disable-glu],
-        [enable OpenGL Utility library @<:@default=enabled@:>@])],
-    [enable_glu="$enableval"],
-    [enable_glu=yes])
-
-if test "x$enable_glu" = xyes -a "x$mesa_driver" = xno; then
-    AC_MSG_NOTICE([Disabling GLU since there is no OpenGL driver])
-    enable_glu=no
-fi
-
-if test "x$enable_glu" = xyes; then
-    SRC_DIRS="$SRC_DIRS glu"
-
-    case "$mesa_driver" in
-    osmesa)
-        # Link libGLU to libOSMesa instead of libGL
-        GLU_LIB_DEPS=""
-        GLU_PC_REQ="osmesa"
-        if test "$enable_static" = no; then
-            GLU_MESA_DEPS='-l$(OSMESA_LIB)'
-        else
-            GLU_MESA_DEPS=""
-        fi
-        ;;
-    *)
-        # If static, empty GLU_LIB_DEPS and add libs for programs to link
-        GLU_PC_REQ="gl"
-        GLU_PC_LIB_PRIV="-lm"
-        if test "$enable_static" = no; then
-            GLU_LIB_DEPS="-lm"
-            GLU_MESA_DEPS='-l$(GL_LIB)'
-        else
-            GLU_LIB_DEPS=""
-            GLU_MESA_DEPS=""
-            APP_LIB_DEPS="$APP_LIB_DEPS -lstdc++"
-        fi
-        ;;
-    esac
-fi
-if test "$enable_static" = no; then
-    GLU_LIB_DEPS="$GLU_LIB_DEPS $OS_CPLUSPLUS_LIBS"
-fi
-GLU_PC_LIB_PRIV="$GLU_PC_LIB_PRIV $OS_CPLUSPLUS_LIBS"
-AC_SUBST([GLU_LIB_DEPS])
-AC_SUBST([GLU_MESA_DEPS])
-AC_SUBST([GLU_PC_REQ])
-AC_SUBST([GLU_PC_REQ_PRIV])
-AC_SUBST([GLU_PC_LIB_PRIV])
-AC_SUBST([GLU_PC_CFLAGS])
-
-dnl
-dnl GLw configuration
-dnl
-AC_ARG_ENABLE([glw],
-    [AS_HELP_STRING([--disable-glw],
-        [enable Xt/Motif widget library @<:@default=enabled@:>@])],
-    [enable_glw="$enableval"],
-    [enable_glw=yes])
-dnl Don't build GLw on osmesa
-if test "x$enable_glw" = xyes; then
-    case "$mesa_driver" in
-    osmesa|no)
-        AC_MSG_NOTICE([Disabling GLw since there is no OpenGL driver])
-        enable_glw=no
-        ;;
-    esac
-fi
-AC_ARG_ENABLE([motif],
-    [AS_HELP_STRING([--enable-motif],
-        [use Motif widgets in GLw @<:@default=disabled@:>@])],
-    [enable_motif="$enableval"],
-    [enable_motif=no])
-
-if test "x$enable_glw" = xyes; then
-    SRC_DIRS="$SRC_DIRS glw"
-    if test "$x11_pkgconfig" = yes; then
-        PKG_CHECK_MODULES([GLW],[x11 xt])
-        GLW_PC_REQ_PRIV="x11 xt"
-        GLW_LIB_DEPS="$GLW_LIBS"
-    else
-        # should check these...
-        GLW_LIB_DEPS="$X_LIBS -lXt -lX11"
-        GLW_PC_LIB_PRIV="$GLW_LIB_DEPS"
-        GLW_PC_CFLAGS="$X11_INCLUDES"
-    fi
-
-    GLW_SOURCES="GLwDrawA.c"
-    MOTIF_CFLAGS=
-    if test "x$enable_motif" = xyes; then
-        GLW_SOURCES="$GLW_SOURCES GLwMDrawA.c"
-        AC_PATH_PROG([MOTIF_CONFIG], [motif-config], [no])
-        if test "x$MOTIF_CONFIG" != xno; then
-            MOTIF_CFLAGS=`$MOTIF_CONFIG --cflags`
-            MOTIF_LIBS=`$MOTIF_CONFIG --libs`
-        else
-            AC_CHECK_HEADER([Xm/PrimitiveP.h], [],
-                [AC_MSG_ERROR([Can't locate Motif headers])])
-            AC_CHECK_LIB([Xm], [XmGetPixmap], [MOTIF_LIBS="-lXm"],
-                [AC_MSG_ERROR([Can't locate Motif Xm library])])
-        fi
-        # MOTIF_LIBS is prepended to GLW_LIB_DEPS since Xm needs Xt/X11
-        GLW_LIB_DEPS="$MOTIF_LIBS $GLW_LIB_DEPS"
-        GLW_PC_LIB_PRIV="$MOTIF_LIBS $GLW_PC_LIB_PRIV"
-        GLW_PC_CFLAGS="$MOTIF_CFLAGS $GLW_PC_CFLAGS"
-    fi
-
-    # If static, empty GLW_LIB_DEPS and add libs for programs to link
-    GLW_PC_LIB_PRIV="$GLW_PC_LIB_PRIV"
-    if test "$enable_static" = no; then
-        GLW_MESA_DEPS='-l$(GL_LIB)'
-        GLW_LIB_DEPS="$GLW_LIB_DEPS"
-    else
-        APP_LIB_DEPS="$APP_LIB_DEPS $GLW_LIB_DEPS"
-        GLW_LIB_DEPS=""
-        GLW_MESA_DEPS=""
-    fi
-fi
-AC_SUBST([GLW_LIB_DEPS])
-AC_SUBST([GLW_MESA_DEPS])
-AC_SUBST([GLW_SOURCES])
-AC_SUBST([MOTIF_CFLAGS])
-AC_SUBST([GLW_PC_REQ_PRIV])
-AC_SUBST([GLW_PC_LIB_PRIV])
-AC_SUBST([GLW_PC_CFLAGS])
-
-dnl
-dnl GLUT configuration
-dnl
-if test -f "$srcdir/include/GL/glut.h"; then
-    default_glut=yes
-else
-    default_glut=no
-fi
-AC_ARG_ENABLE([glut],
-    [AS_HELP_STRING([--disable-glut],
-        [enable GLUT library @<:@default=enabled if source available@:>@])],
-    [enable_glut="$enableval"],
-    [enable_glut="$default_glut"])
-
-dnl Don't build glut on osmesa
-if test "x$enable_glut" = xyes; then
-    case "$mesa_driver" in
-    osmesa|no)
-        AC_MSG_NOTICE([Disabling glut since there is no OpenGL driver])
-        enable_glut=no
-        ;;
-    esac
-fi
-dnl Can't build glut if GLU not available
-if test "x$enable_glu$enable_glut" = xnoyes; then
-    AC_MSG_WARN([Disabling glut since GLU is disabled])
-    enable_glut=no
-fi
-
-if test "x$enable_glut" = xyes; then
-    SRC_DIRS="$SRC_DIRS glut/glx"
-    if test "$x11_pkgconfig" = yes; then
-        PKG_CHECK_MODULES([GLUT],[x11 xmu xi])
-        GLUT_PC_REQ_PRIV="x11 xmu xi"
-        GLUT_LIB_DEPS="$GLUT_LIBS"
-    else
-        # should check these...
-        GLUT_LIB_DEPS="$X_LIBS -lX11 -lXmu -lXi"
-        GLUT_PC_LIB_PRIV="$GLUT_LIB_DEPS"
-        GLUT_PC_CFLAGS="$X11_INCLUDES"
-    fi
-    if test "x$GCC" = xyes; then
-        GLUT_CFLAGS="$GLUT_CFLAGS -fexceptions"
-    fi
-    GLUT_LIB_DEPS="$GLUT_LIB_DEPS -lm"
-    GLUT_PC_LIB_PRIV="$GLUT_PC_LIB_PRIV -lm"
-
-    # If static, empty GLUT_LIB_DEPS and add libs for programs to link
-    if test "$enable_static" = no; then
-        GLUT_MESA_DEPS='-l$(GLU_LIB) -l$(GL_LIB)'
-    else
-        APP_LIB_DEPS="$APP_LIB_DEPS $GLUT_LIB_DEPS"
-        GLUT_LIB_DEPS=""
-        GLUT_MESA_DEPS=""
-    fi
-fi
-AC_SUBST([GLUT_LIB_DEPS])
-AC_SUBST([GLUT_MESA_DEPS])
-AC_SUBST([GLUT_CFLAGS])
-AC_SUBST([GLUT_PC_REQ_PRIV])
-AC_SUBST([GLUT_PC_LIB_PRIV])
-AC_SUBST([GLUT_PC_CFLAGS])
-
-dnl
-dnl Program library dependencies
-dnl    Only libm is added here if necessary as the libraries should
-dnl    be pulled in by the linker
-dnl
-if test "x$APP_LIB_DEPS" = x; then
-    case "$host_os" in
-    solaris*)
-        APP_LIB_DEPS="-lX11 -lsocket -lnsl -lm"
-        ;;
-    cygwin*)
-        APP_LIB_DEPS="-lX11"
-        ;;
-    *)
-        APP_LIB_DEPS="-lm"
-        ;;
-    esac
-fi
-AC_SUBST([APP_LIB_DEPS])
-AC_SUBST([PROGRAM_DIRS])
-
-dnl
-dnl Gallium configuration
-dnl
-AC_ARG_ENABLE([gallium],
-    [AS_HELP_STRING([--disable-gallium],
-        [build gallium @<:@default=enabled@:>@])],
-    [enable_gallium="$enableval"],
-    [enable_gallium=yes])
-if test "x$enable_gallium" = xno -a "x$enable_openvg" = xyes; then
-    AC_MSG_ERROR([cannot enable OpenVG without Gallium])
-fi
-if test "x$enable_gallium" = xyes; then
-    SRC_DIRS="$SRC_DIRS gallium gallium/winsys gallium/targets"
-    AC_CHECK_HEADER([udis86.h], [HAS_UDIS86="yes"],
-                [HAS_UDIS86="no"])
-    AC_PATH_PROG([LLVM_CONFIG], [llvm-config], [no])
-fi
-
-AC_SUBST([LLVM_CFLAGS])
-AC_SUBST([LLVM_LIBS])
-AC_SUBST([LLVM_LDFLAGS])
-AC_SUBST([LLVM_VERSION])
-
-dnl
-dnl Gallium state trackers configuration
-dnl
-
-AC_ARG_ENABLE([gallium-egl],
-    [AS_HELP_STRING([--enable-gallium-egl],
-        [enable gallium EGL state tracker @<:@default=auto@:>@])],
-    [enable_gallium_egl="$enableval"],
-    [enable_gallium_egl=auto])
-if test "x$enable_gallium_egl" = xauto; then
-    case "$mesa_driver" in
-    dri|no)
-        enable_gallium_egl=$enable_egl
-        ;;
-    *)
-        enable_gallium_egl=$enable_openvg
-        ;;
-    esac
-fi
-case "x$enable_egl$enable_gallium_egl" in
-xnoyes)
-    AC_MSG_ERROR([cannot build Gallium EGL state tracker without EGL])
-esac
-
-AC_ARG_WITH([state-trackers],
-    [AS_HELP_STRING([--with-state-trackers@<:@=DIRS...@:>@],
-        [comma delimited state_trackers list, e.g.
-        "egl,glx" @<:@default=auto@:>@])],
-    [with_state_trackers="$withval"],
-    [with_state_trackers=yes])
-
-case "$with_state_trackers" in
-no)
-    GALLIUM_STATE_TRACKERS_DIRS=""
-    ;;
-yes)
-    # look at what else is built
-    case "$mesa_driver" in
-    xlib)
-        GALLIUM_STATE_TRACKERS_DIRS=glx
-        ;;
-    dri)
-        GALLIUM_STATE_TRACKERS_DIRS="dri"
-        HAVE_ST_DRI="yes"
-        # Have only tested st/xorg on 1.6.0 servers
-        PKG_CHECK_MODULES(XORG, [xorg-server >= 1.6.0 libdrm >= $LIBDRM_XORG_REQUIRED libkms >= $LIBKMS_XORG_REQUIRED],
-            HAVE_ST_XORG="yes"; GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS xorg",
-            HAVE_ST_XORG="no")
-        ;;
-    esac
-
-    if test "x$enable_egl" = xyes; then
-        if test "$enable_openvg" = yes; then
-            GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS vega"
-            st_egl="yes"
-        fi
-
-        if test "$enable_gallium_egl" = yes; then
-            GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS egl"
-            HAVE_ST_EGL="yes"
-        fi
-    fi
-    ;;
-*)
-    # verify the requested state tracker exist
-    state_trackers=""
-    _state_trackers=`IFS=', '; echo $with_state_trackers`
-    for tracker in $_state_trackers; do
-        case "$tracker" in
-        dri)
-            if test "x$mesa_driver" != xdri; then
-                AC_MSG_ERROR([cannot build dri state tracker without mesa driver set to dri])
-            fi
-            HAVE_ST_DRI="yes"
-            ;;
-        egl)
-            if test "x$enable_egl" != xyes; then
-                AC_MSG_ERROR([cannot build egl state tracker without EGL library])
-            fi
-            HAVE_ST_EGL="yes"
-            ;;
-        xorg)
-            PKG_CHECK_MODULES([XORG], [xorg-server >= 1.6.0])
-            PKG_CHECK_MODULES([LIBDRM_XORG], [libdrm >= $LIBDRM_XORG_REQUIRED])
-            PKG_CHECK_MODULES([LIBKMS_XORG], [libkms >= $LIBKMS_XORG_REQUIRED])
-            HAVE_ST_XORG="yes"
-            ;;
-        vega)
-            if test "x$enable_openvg" != xyes; then
-                AC_MSG_ERROR([cannot build vega state tracker without --enable-openvg])
-            fi
-            have_st_vega="yes"
-            ;;
-        esac
-
-	if test -n "$tracker"; then
-            test -d "$srcdir/src/gallium/state_trackers/$tracker" || \
-                AC_MSG_ERROR([state tracker '$tracker' doesn't exist])
-            if test -n "$state_trackers"; then
-                state_trackers="$state_trackers $tracker"
-            else
-                state_trackers="$tracker"
-            fi
-        fi
-    done
-    GALLIUM_STATE_TRACKERS_DIRS="$state_trackers"
-
-    # append --enable-openvg/--enable-gallium-egl to --with-state-trackers
-    if test "x$have_st_vega" != xyes -a "x$enable_openvg" = xyes; then
-        AC_MSG_ERROR([--with-state-trackers specified but vega is missing])
-    fi
-    if test "x$HAVE_ST_EGL" != xyes -a "x$enable_gallium_egl" = xyes; then
-        AC_MSG_ERROR([--with-state-trackers specified but egl is missing])
-    fi
-    ;;
-esac
-
-
-EGL_CLIENT_APIS=""
-VG_LIB_DEPS=""
-
-case "x$enable_opengl$enable_gles1$enable_gles2" in
-x*yes*)
-    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GL_LIB)'
-    ;;
-esac
-if test "x$enable_openvg" = xyes; then
-    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(VG_LIB)'
-    VG_LIB_DEPS="$VG_LIB_DEPS -lpthread"
-fi
-
-AC_SUBST([VG_LIB_DEPS])
-AC_SUBST([EGL_CLIENT_APIS])
-
-if test "x$HAVE_ST_EGL" = xyes; then
-	GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS egl"
-fi
-
-if test "x$HAVE_ST_XORG" = xyes; then
-    PKG_CHECK_MODULES(XEXT, [xextproto >= 7.0.99.1],
-        HAVE_XEXTPROTO_71="yes"; DEFINES="$DEFINES -DHAVE_XEXTPROTO_71",
-        HAVE_XEXTPROTO_71="no")
-fi
-
-AC_ARG_WITH([egl-platforms],
-    [AS_HELP_STRING([--with-egl-platforms@<:@=DIRS...@:>@],
-        [comma delimited native platforms libEGL supports, e.g.
-        "x11,drm" @<:@default=auto@:>@])],
-    [with_egl_platforms="$withval"],
-    [with_egl_platforms=yes])
-AC_ARG_WITH([egl-displays],
-    [AS_HELP_STRING([--with-egl-displays@<:@=DIRS...@:>@],
-        [DEPRECATED.  Use --with-egl-platforms instead])],
-    [with_egl_platforms="$withval"])
-
-EGL_PLATFORMS=""
-WAYLAND_EGL_LIB_DEPS=""
-
-case "$with_egl_platforms" in
-yes)
-    if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then
-        EGL_PLATFORMS="x11"
-        if test "$mesa_driver" = dri; then
-            EGL_PLATFORMS="$EGL_PLATFORMS drm"
-        fi
-    fi
-    ;;
-*)
-    if test "x$enable_egl" != xyes; then
-        AC_MSG_ERROR([cannot build egl state tracker without EGL library])
-    fi
-    # verify the requested driver directories exist
-    egl_platforms=`IFS=', '; echo $with_egl_platforms`
-    for plat in $egl_platforms; do
-        test -d "$srcdir/src/gallium/state_trackers/egl/$plat" || \
-            AC_MSG_ERROR([EGL platform '$plat' doesn't exist])
-        if test "$plat" = "fbdev"; then
-                GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/fbdev"
-        fi
-	if test "$plat" = "wayland"; then
-		PKG_CHECK_MODULES([WAYLAND], [wayland-client wayland-server],, \
-				  [AC_MSG_ERROR([cannot find libwayland-client])])
-		WAYLAND_EGL_LIB_DEPS="$WAYLAND_LIBS $LIBDRM_LIBS"
-	fi
-    done
-    EGL_PLATFORMS="$egl_platforms"
-    ;;
-esac
-AC_SUBST([EGL_PLATFORMS])
-
-AC_SUBST([WAYLAND_EGL_LIB_DEPS])
-WAYLAND_EGL_PC_REQ_PRIV="wayland-client libdrm"
-WAYLAND_EGL_PC_LIB_PRIV=
-WAYLAND_EGL_PC_CFLAGS=
-
-AC_SUBST([WAYLAND_EGL_PC_REQ_PRIV])
-AC_SUBST([WAYLAND_EGL_PC_LIB_PRIV])
-AC_SUBST([WAYLAND_EGL_PC_CFLAGS])
-
-
-AC_ARG_WITH([egl-driver-dir],
-    [AS_HELP_STRING([--with-egl-driver-dir=DIR],
-                    [directory for EGL drivers [[default=${libdir}/egl]]])],
-    [EGL_DRIVER_INSTALL_DIR="$withval"],
-    [EGL_DRIVER_INSTALL_DIR='${libdir}/egl'])
-AC_SUBST([EGL_DRIVER_INSTALL_DIR])
-
-AC_ARG_WITH([xorg-driver-dir],
-    [AS_HELP_STRING([--with-xorg-driver-dir=DIR],
-                    [Default xorg driver directory[[default=${libdir}/xorg/modules/drivers]]])],
-    [XORG_DRIVER_INSTALL_DIR="$withval"],
-    [XORG_DRIVER_INSTALL_DIR="${libdir}/xorg/modules/drivers"])
-AC_SUBST([XORG_DRIVER_INSTALL_DIR])
-
-AC_ARG_WITH([max-width],
-    [AS_HELP_STRING([--with-max-width=N],
-                    [Maximum framebuffer width (4096)])],
-    [DEFINES="${DEFINES} -DMAX_WIDTH=${withval}";
-     AS_IF([test "${withval}" -gt "4096"],
-           [AC_MSG_WARN([Large framebuffer: see s_tritemp.h comments.])])]
-)
-AC_ARG_WITH([max-height],
-    [AS_HELP_STRING([--with-max-height=N],
-                    [Maximum framebuffer height (4096)])],
-    [DEFINES="${DEFINES} -DMAX_HEIGHT=${withval}";
-     AS_IF([test "${withval}" -gt "4096"],
-           [AC_MSG_WARN([Large framebuffer: see s_tritemp.h comments.])])]
-)
-
-dnl
-dnl Gallium LLVM
-dnl
-AC_ARG_ENABLE([gallium-llvm],
-    [AS_HELP_STRING([--enable-gallium-llvm],
-        [build gallium LLVM support @<:@default=disabled@:>@])],
-    [enable_gallium_llvm="$enableval"],
-    [enable_gallium_llvm=auto])
-if test "x$enable_gallium_llvm" = xyes; then
-    if test "x$LLVM_CONFIG" != xno; then
-	LLVM_VERSION=`$LLVM_CONFIG --version`
-	LLVM_CFLAGS=`$LLVM_CONFIG --cppflags`
-	LLVM_LIBS="`$LLVM_CONFIG --libs jit interpreter nativecodegen bitwriter` -lstdc++"
-
-	if test "x$HAS_UDIS86" != xno; then
-	    LLVM_LIBS="$LLVM_LIBS -ludis86"
-	    DEFINES="$DEFINES -DHAVE_UDIS86"
-	fi
-	LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
-	GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS llvmpipe"
-	DEFINES="$DEFINES -DGALLIUM_LLVMPIPE -D__STDC_CONSTANT_MACROS"
-	MESA_LLVM=1
-    else
-	MESA_LLVM=0
-    fi
-else
-    MESA_LLVM=0
-fi
-
-dnl
-dnl Gallium helper functions
-dnl
-gallium_check_st() {
-    if test "x$HAVE_ST_DRI" = xyes || test "x$HAVE_ST_XORG" = xyes; then
-         GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS $1"
-    fi
-    if test "x$HAVE_ST_DRI" = xyes && test "x$2" != x; then
-         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $2"
-    fi
-    if test "x$HAVE_ST_XORG" = xyes && test "x$3" != x; then
-         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $3"
-    fi
-}
-
-
-dnl
-dnl Gallium SVGA configuration
-dnl
-AC_ARG_ENABLE([gallium-svga],
-    [AS_HELP_STRING([--enable-gallium-svga],
-        [build gallium SVGA @<:@default=disabled@:>@])],
-    [enable_gallium_svga="$enableval"],
-    [enable_gallium_svga=auto])
-if test "x$enable_gallium_svga" = xyes; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
-    gallium_check_st "svga/drm" "dri-vmwgfx" "xorg-vmwgfx"
-elif test "x$enable_gallium_svga" = xauto; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
-fi
-
-dnl
-dnl Gallium i915 configuration
-dnl
-AC_ARG_ENABLE([gallium-i915],
-    [AS_HELP_STRING([--enable-gallium-i915],
-        [build gallium i915 @<:@default=disabled@:>@])],
-    [enable_gallium_i915="$enableval"],
-    [enable_gallium_i915=auto])
-if test "x$enable_gallium_i915" = xyes; then
-    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915"
-    gallium_check_st "i915/drm" "dri-i915" "xorg-i915"
-elif test "x$enable_gallium_i915" = xauto; then
-    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915"
-fi
-
-dnl
-dnl Gallium i965 configuration
-dnl
-AC_ARG_ENABLE([gallium-i965],
-    [AS_HELP_STRING([--enable-gallium-i965],
-        [build gallium i965 @<:@default=disabled@:>@])],
-    [enable_gallium_i965="$enableval"],
-    [enable_gallium_i965=auto])
-if test "x$enable_gallium_i965" = xyes; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i965"
-    gallium_check_st "i965/drm" "dri-i965" "xorg-i965"
-elif test "x$enable_gallium_i965" = xauto; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i965"
-fi
-
-dnl
-dnl Gallium Radeon r300g configuration
-dnl
-AC_ARG_ENABLE([gallium-radeon],
-    [AS_HELP_STRING([--enable-gallium-radeon],
-        [build gallium radeon @<:@default=disabled@:>@])],
-    [enable_gallium_radeon="$enableval"],
-    [enable_gallium_radeon=auto])
-if test "x$enable_gallium_radeon" = xauto; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
-    gallium_check_st "radeon/drm" "dri-r300"
-fi
-if test "x$enable_gallium_radeon" = xyes; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
-    gallium_check_st "radeon/drm" "dri-r300" "xorg-radeon"
-fi
-
-dnl
-dnl Gallium Radeon r600g configuration
-dnl
-AC_ARG_ENABLE([gallium-r600],
-    [AS_HELP_STRING([--enable-gallium-r600],
-        [build gallium radeon @<:@default=disabled@:>@])],
-    [enable_gallium_r600="$enableval"],
-    [enable_gallium_r600=auto])
-if test "x$enable_gallium_r600" = xyes; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r600"
-    gallium_check_st "r600/drm" "dri-r600"
-fi
-
-dnl
-dnl Gallium Nouveau configuration
-dnl
-AC_ARG_ENABLE([gallium-nouveau],
-    [AS_HELP_STRING([--enable-gallium-nouveau],
-        [build gallium nouveau @<:@default=disabled@:>@])],
-    [enable_gallium_nouveau="$enableval"],
-    [enable_gallium_nouveau=no])
-if test "x$enable_gallium_nouveau" = xyes; then
-    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS nouveau nvfx nv50 nvc0"
-    gallium_check_st "nouveau/drm" "dri-nouveau" "xorg-nouveau"
-fi
-
-dnl
-dnl Gallium swrast configuration
-dnl
-AC_ARG_ENABLE([gallium-swrast],
-    [AS_HELP_STRING([--enable-gallium-swrast],
-        [build gallium swrast @<:@default=auto@:>@])],
-    [enable_gallium_swrast="$enableval"],
-    [enable_gallium_swrast=auto])
-if test "x$enable_gallium_swrast" = xyes || test "x$enable_gallium_swrast" = xauto; then
-    if test "x$HAVE_ST_DRI" = xyes; then
-        GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS dri-swrast"
-    fi
-fi
-
-dnl prepend CORE_DIRS to SRC_DIRS
-SRC_DIRS="$CORE_DIRS $SRC_DIRS"
-
-dnl Restore LDFLAGS and CPPFLAGS
-LDFLAGS="$_SAVE_LDFLAGS"
-CPPFLAGS="$_SAVE_CPPFLAGS"
-
-dnl Substitute the config
-AC_CONFIG_FILES([configs/autoconf])
-
-dnl Replace the configs/current symlink
-AC_CONFIG_COMMANDS([configs],[
-if test -f configs/current || test -L configs/current; then
-    rm -f configs/current
-fi
-ln -s autoconf configs/current
-])
-
-AC_OUTPUT
-
-dnl
-dnl Output some configuration info for the user
-dnl
-echo ""
-echo "        prefix:          $prefix"
-echo "        exec_prefix:     $exec_prefix"
-echo "        libdir:          $libdir"
-echo "        includedir:      $includedir"
-
-dnl API info
-echo ""
-echo "        OpenGL:          $enable_opengl (ES1: $enable_gles1 ES2: $enable_gles2)"
-echo "        OpenVG:          $enable_openvg"
-
-dnl Driver info
-echo ""
-echo "        Driver:          $mesa_driver"
-if test "$mesa_driver" != no; then
-    if echo "$DRIVER_DIRS" | grep 'osmesa' >/dev/null 2>&1; then
-        echo "        OSMesa:          lib$OSMESA_LIB"
-    else
-        echo "        OSMesa:          no"
-    fi
-    if test "$mesa_driver" = dri; then
-        # cleanup the drivers var
-        dri_dirs=`echo $DRI_DIRS | $SED 's/^ *//;s/  */ /;s/ *$//'`
-        if test "x$DRI_DIRS" = x; then
-            echo "        DRI drivers:     no"
-        else
-            echo "        DRI drivers:     $dri_dirs"
-        fi
-        echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
-        echo "        Use XCB:         $enable_xcb"
-        echo "        Shared dricore:  $enable_dricore"
-    fi
-fi
-echo ""
-echo "        GLU:             $enable_glu"
-echo "        GLw:             $enable_glw (Motif: $enable_motif)"
-echo "        glut:            $enable_glut"
-
-dnl EGL
-echo ""
-echo "        EGL:             $enable_egl"
-if test "$enable_egl" = yes; then
-    echo "        EGL platforms:   $EGL_PLATFORMS"
-
-    egl_drivers=""
-    for d in $EGL_DRIVERS_DIRS; do
-        egl_drivers="$egl_drivers builtin:egl_$d"
-    done
-
-    if test "$enable_gallium" = yes -a "$HAVE_ST_EGL" = yes; then
-        echo "        EGL drivers:    ${egl_drivers} egl_gallium"
-        echo "        EGL Gallium STs:$EGL_CLIENT_APIS"
-    else
-        echo "        EGL drivers:    $egl_drivers"
-    fi
-fi
-
-echo ""
-if test "x$MESA_LLVM" = x1; then
-    echo "        llvm:            yes"
-    echo "        llvm-config:     $LLVM_CONFIG"
-    echo "        llvm-version:    $LLVM_VERSION"
-else
-    echo "        llvm:            no"
-fi
-
-echo ""
-if echo "$SRC_DIRS" | grep 'gallium' >/dev/null 2>&1; then
-    echo "        Gallium:         yes"
-    echo "        Gallium dirs:    $GALLIUM_DIRS"
-    echo "        Target dirs:     $GALLIUM_TARGET_DIRS"
-    echo "        Winsys dirs:     $GALLIUM_WINSYS_DIRS"
-    echo "        Driver dirs:     $GALLIUM_DRIVERS_DIRS"
-    echo "        Trackers dirs:   $GALLIUM_STATE_TRACKERS_DIRS"
-else
-    echo "        Gallium:         no"
-fi
-
-dnl Libraries
-echo ""
-echo "        Shared libs:     $enable_shared"
-echo "        Static libs:     $enable_static"
-
-dnl Compiler options
-# cleanup the CFLAGS/CXXFLAGS/DEFINES vars
-cflags=`echo $CFLAGS $OPT_FLAGS $PIC_FLAGS $ARCH_FLAGS | \
-    $SED 's/^ *//;s/  */ /;s/ *$//'`
-cxxflags=`echo $CXXFLAGS $OPT_FLAGS $PIC_FLAGS $ARCH_FLAGS | \
-    $SED 's/^ *//;s/  */ /;s/ *$//'`
-defines=`echo $DEFINES $ASM_FLAGS | $SED 's/^ *//;s/  */ /;s/ *$//'`
-echo ""
-echo "        CFLAGS:          $cflags"
-echo "        CXXFLAGS:        $cxxflags"
-echo "        Macros:          $defines"
-echo ""
-echo "        PYTHON2:         $PYTHON2"
-
-echo ""
-echo "        Run '${MAKE-make}' to build Mesa"
-echo ""
+dnl Process this file with autoconf to create configure.
+
+AC_PREREQ([2.59])
+
+dnl Versioning - scrape the version from configs/default
+m4_define([mesa_version],
+    [m4_esyscmd([${MAKE-make} -s -f bin/version.mk version | tr -d '\n' | tr -d '\r'])])
+m4_ifval(mesa_version,,
+    [m4_fatal([Failed to get the Mesa version from `make -f bin/version.mk version`])])
+
+dnl Tell the user about autoconf.html in the --help output
+m4_divert_once([HELP_END], [
+See docs/autoconf.html for more details on the options for Mesa.])
+
+AC_INIT([Mesa],[mesa_version],
+    [https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa])
+AC_CONFIG_AUX_DIR([bin])
+AC_CANONICAL_HOST
+
+dnl Versions for external dependencies
+LIBDRM_REQUIRED=2.4.24
+LIBDRM_RADEON_REQUIRED=2.4.24
+LIBDRM_INTEL_REQUIRED=2.4.24
+DRI2PROTO_REQUIRED=2.1
+GLPROTO_REQUIRED=1.4.11
+LIBDRM_XORG_REQUIRED=2.4.24
+LIBKMS_XORG_REQUIRED=1.0.0
+
+dnl Check for progs
+AC_PROG_CPP
+AC_PROG_CC
+AC_PROG_CXX
+AC_CHECK_PROGS([MAKE], [gmake make])
+AC_CHECK_PROGS([PYTHON2], [python2 python])
+AC_PATH_PROG([MKDEP], [makedepend])
+AC_PATH_PROG([SED], [sed])
+
+if test "x$MKDEP" = "x"; then
+    AC_MSG_ERROR([makedepend is required to build Mesa])
+fi
+
+dnl Our fallback install-sh is a symlink to minstall. Use the existing
+dnl configuration in that case.
+AC_PROG_INSTALL
+test "x$INSTALL" = "x$ac_install_sh" && INSTALL='$(MINSTALL)'
+
+dnl We need a POSIX shell for parts of the build. Assume we have one
+dnl in most cases.
+case "$host_os" in
+solaris*)
+    # Solaris /bin/sh is too old/non-POSIX compliant
+    AC_PATH_PROGS(POSIX_SHELL, [ksh93 ksh sh])
+    SHELL="$POSIX_SHELL"
+    ;;
+esac
+
+dnl clang is mostly GCC-compatible, but its version is much lower,
+dnl so we have to check for it.
+AC_MSG_CHECKING([if compiling with clang])
+
+AC_COMPILE_IFELSE(
+[AC_LANG_PROGRAM([], [[
+#ifndef __clang__
+       not clang
+#endif
+]])],
+[CLANG=yes], [CLANG=no])
+
+AC_MSG_RESULT([$CLANG])
+
+dnl If we're using GCC, make sure that it is at least version 3.3.0.  Older
+dnl versions are explictly not supported.
+if test "x$GCC" = xyes -a "x$CLANG" = xno; then
+    AC_MSG_CHECKING([whether gcc version is sufficient])
+    major=0
+    minor=0
+
+    GCC_VERSION=`$CC -dumpversion`
+    if test $? -eq 0; then
+        major=`echo $GCC_VERSION | cut -d. -f1`
+        minor=`echo $GCC_VERSION | cut -d. -f1`
+    fi
+
+    if test $major -lt 3 -o $major -eq 3 -a $minor -lt 3 ; then
+        AC_MSG_RESULT([no])
+        AC_MSG_ERROR([If using GCC, version 3.3.0 or later is required.])
+    else
+        AC_MSG_RESULT([yes])
+    fi
+fi
+
+
+MKDEP_OPTIONS=-fdepend
+dnl Ask gcc where it's keeping its secret headers
+if test "x$GCC" = xyes; then
+    for dir in include include-fixed; do
+        GCC_INCLUDES=`$CC -print-file-name=$dir`
+        if test "x$GCC_INCLUDES" != x && \
+           test "$GCC_INCLUDES" != "$dir" && \
+           test -d "$GCC_INCLUDES"; then
+            MKDEP_OPTIONS="$MKDEP_OPTIONS -I$GCC_INCLUDES"
+        fi
+    done
+fi
+AC_SUBST([MKDEP_OPTIONS])
+
+dnl Make sure the pkg-config macros are defined
+m4_ifndef([PKG_PROG_PKG_CONFIG],
+    [m4_fatal([Could not locate the pkg-config autoconf macros.
+  These are usually located in /usr/share/aclocal/pkg.m4. If your macros
+  are in a different location, try setting the environment variable
+  ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
+PKG_PROG_PKG_CONFIG()
+
+dnl LIB_DIR - library basename
+LIB_DIR=`echo $libdir | $SED 's%.*/%%'`
+AC_SUBST([LIB_DIR])
+
+dnl Cache LDFLAGS so we can add EXTRA_LIB_PATH and restore it later
+_SAVE_LDFLAGS="$LDFLAGS"
+AC_ARG_VAR([EXTRA_LIB_PATH],[Extra -L paths for the linker])
+AC_SUBST([EXTRA_LIB_PATH])
+
+dnl Cache CPPFLAGS so we can add *_INCLUDES and restore it later
+_SAVE_CPPFLAGS="$CPPFLAGS"
+AC_ARG_VAR([X11_INCLUDES],[Extra -I paths for X11 headers])
+AC_SUBST([X11_INCLUDES])
+
+dnl Compiler macros
+DEFINES=""
+AC_SUBST([DEFINES])
+case "$host_os" in
+linux*|*-gnu*|gnu*)
+    DEFINES="$DEFINES -D_GNU_SOURCE -DPTHREADS"
+    ;;
+solaris*)
+    DEFINES="$DEFINES -DPTHREADS -DSVR4"
+    ;;
+cygwin*)
+    DEFINES="$DEFINES -DPTHREADS"
+    ;;
+esac
+
+dnl Add flags for gcc and g++
+if test "x$GCC" = xyes; then
+    CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99"
+    if test "x$CLANG" = "xno"; then
+       CFLAGS="$CFLAGS -ffast-math"
+    fi
+
+    # Enable -fvisibility=hidden if using a gcc that supports it
+    save_CFLAGS="$CFLAGS"
+    AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
+    VISIBILITY_CFLAGS="-fvisibility=hidden"
+    CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
+    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
+		   [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
+
+    # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
+    CFLAGS=$save_CFLAGS
+
+    # Work around aliasing bugs - developers should comment this out
+    CFLAGS="$CFLAGS -fno-strict-aliasing"
+fi
+if test "x$GXX" = xyes; then
+    CXXFLAGS="$CXXFLAGS -Wall"
+
+    # Enable -fvisibility=hidden if using a gcc that supports it
+    save_CXXFLAGS="$CXXFLAGS"
+    AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
+    VISIBILITY_CXXFLAGS="-fvisibility=hidden"
+    CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
+    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
+		   [VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])]);
+
+    # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
+    CXXFLAGS=$save_CXXFLAGS
+
+    # Work around aliasing bugs - developers should comment this out
+    CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
+fi
+
+AC_SUBST([VISIBILITY_CFLAGS])
+AC_SUBST([VISIBILITY_CXXFLAGS])
+
+dnl These should be unnecessary, but let the user set them if they want
+AC_ARG_VAR([OPT_FLAGS], [Additional optimization flags for the compiler.
+    Default is to use CFLAGS.])
+AC_ARG_VAR([ARCH_FLAGS], [Additional architecture specific flags for the
+    compiler. Default is to use CFLAGS.])
+AC_SUBST([OPT_FLAGS])
+AC_SUBST([ARCH_FLAGS])
+
+dnl
+dnl Hacks to enable 32 or 64 bit build
+dnl
+AC_ARG_ENABLE([32-bit],
+    [AS_HELP_STRING([--enable-32-bit],
+        [build 32-bit libraries @<:@default=auto@:>@])],
+    [enable_32bit="$enableval"],
+    [enable_32bit=auto]
+)
+if test "x$enable_32bit" = xyes; then
+    if test "x$GCC" = xyes; then
+        CFLAGS="$CFLAGS -m32"
+        ARCH_FLAGS="$ARCH_FLAGS -m32"
+    fi
+    if test "x$GXX" = xyes; then
+        CXXFLAGS="$CXXFLAGS -m32"
+    fi
+fi
+AC_ARG_ENABLE([64-bit],
+    [AS_HELP_STRING([--enable-64-bit],
+        [build 64-bit libraries @<:@default=auto@:>@])],
+    [enable_64bit="$enableval"],
+    [enable_64bit=auto]
+)
+if test "x$enable_64bit" = xyes; then
+    if test "x$GCC" = xyes; then
+        CFLAGS="$CFLAGS -m64"
+    fi
+    if test "x$GXX" = xyes; then
+        CXXFLAGS="$CXXFLAGS -m64"
+    fi
+fi
+
+dnl
+dnl shared/static libraries, mimic libtool options
+dnl
+AC_ARG_ENABLE([static],
+    [AS_HELP_STRING([--enable-static],
+        [build static libraries @<:@default=disabled@:>@])],
+    [enable_static="$enableval"],
+    [enable_static=no]
+)
+case "x$enable_static" in
+xyes|xno ) ;;
+x ) enable_static=no ;;
+* )
+    AC_MSG_ERROR([Static library option '$enable_static' is not a valid])
+    ;;
+esac
+AC_ARG_ENABLE([shared],
+    [AS_HELP_STRING([--disable-shared],
+        [build shared libraries @<:@default=enabled@:>@])],
+    [enable_shared="$enableval"],
+    [enable_shared=yes]
+)
+case "x$enable_shared" in
+xyes|xno ) ;;
+x ) enable_shared=yes ;;
+* )
+    AC_MSG_ERROR([Shared library option '$enable_shared' is not a valid])
+    ;;
+esac
+
+dnl Can't have static and shared libraries, default to static if user
+dnl explicitly requested. If both disabled, set to static since shared
+dnl was explicitly requirested.
+case "x$enable_static$enable_shared" in
+xyesyes )
+    AC_MSG_WARN([Can't build static and shared libraries, disabling shared])
+    enable_shared=no
+    ;;
+xnono )
+    AC_MSG_WARN([Can't disable both static and shared libraries, enabling static])
+    enable_static=yes
+    ;;
+esac
+
+dnl
+dnl mklib options
+dnl
+AC_ARG_VAR([MKLIB_OPTIONS],[Options for the Mesa library script, mklib])
+if test "$enable_static" = yes; then
+    MKLIB_OPTIONS="$MKLIB_OPTIONS -static"
+fi
+AC_SUBST([MKLIB_OPTIONS])
+
+dnl
+dnl other compiler options
+dnl
+AC_ARG_ENABLE([debug],
+    [AS_HELP_STRING([--enable-debug],
+        [use debug compiler flags and macros @<:@default=disabled@:>@])],
+    [enable_debug="$enableval"],
+    [enable_debug=no]
+)
+if test "x$enable_debug" = xyes; then
+    DEFINES="$DEFINES -DDEBUG"
+    if test "x$GCC" = xyes; then
+        CFLAGS="$CFLAGS -g"
+    fi
+    if test "x$GXX" = xyes; then
+        CXXFLAGS="$CXXFLAGS -g"
+    fi
+fi
+
+dnl
+dnl library names
+dnl
+LIB_PREFIX_GLOB='lib'
+LIB_VERSION_SEPARATOR='.'
+if test "$enable_static" = yes; then
+    LIB_EXTENSION='a'
+else
+    case "$host_os" in
+    darwin* )
+        LIB_EXTENSION='dylib' ;;
+    cygwin* )
+        dnl prefix can be 'cyg' or 'lib'
+        LIB_PREFIX_GLOB='???'
+        LIB_VERSION_SEPARATOR='-'
+        LIB_EXTENSION='dll' ;;
+    aix* )
+        LIB_EXTENSION='a' ;;
+    * )
+        LIB_EXTENSION='so' ;;
+    esac
+fi
+
+GL_LIB_NAME='lib$(GL_LIB).'${LIB_EXTENSION}
+GLU_LIB_NAME='lib$(GLU_LIB).'${LIB_EXTENSION}
+GLUT_LIB_NAME='lib$(GLUT_LIB).'${LIB_EXTENSION}
+GLW_LIB_NAME='lib$(GLW_LIB).'${LIB_EXTENSION}
+OSMESA_LIB_NAME='lib$(OSMESA_LIB).'${LIB_EXTENSION}
+EGL_LIB_NAME='lib$(EGL_LIB).'${LIB_EXTENSION}
+GLESv1_CM_LIB_NAME='lib$(GLESv1_CM_LIB).'${LIB_EXTENSION}
+GLESv2_LIB_NAME='lib$(GLESv2_LIB).'${LIB_EXTENSION}
+VG_LIB_NAME='lib$(VG_LIB).'${LIB_EXTENSION}
+GLAPI_LIB_NAME='lib$(GLAPI_LIB).'${LIB_EXTENSION}
+WAYLAND_EGL_LIB_NAME='lib$(WAYLAND_EGL_LIB).'${LIB_EXTENSION}
+
+GL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLU_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLU_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLUT_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLUT_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLW_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLW_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+OSMESA_LIB_GLOB=${LIB_PREFIX_GLOB}'$(OSMESA_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLESv1_CM_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv1_CM_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLESv2_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLESv2_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+VG_LIB_GLOB=${LIB_PREFIX_GLOB}'$(VG_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+GLAPI_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLAPI_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+WAYLAND_EGL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(WAYLAND_EGL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
+
+AC_SUBST([GL_LIB_NAME])
+AC_SUBST([GLU_LIB_NAME])
+AC_SUBST([GLUT_LIB_NAME])
+AC_SUBST([GLW_LIB_NAME])
+AC_SUBST([OSMESA_LIB_NAME])
+AC_SUBST([EGL_LIB_NAME])
+AC_SUBST([GLESv1_CM_LIB_NAME])
+AC_SUBST([GLESv2_LIB_NAME])
+AC_SUBST([VG_LIB_NAME])
+AC_SUBST([GLAPI_LIB_NAME])
+AC_SUBST([WAYLAND_EGL_LIB_NAME])
+
+AC_SUBST([GL_LIB_GLOB])
+AC_SUBST([GLU_LIB_GLOB])
+AC_SUBST([GLUT_LIB_GLOB])
+AC_SUBST([GLW_LIB_GLOB])
+AC_SUBST([OSMESA_LIB_GLOB])
+AC_SUBST([EGL_LIB_GLOB])
+AC_SUBST([GLESv1_CM_LIB_GLOB])
+AC_SUBST([GLESv2_LIB_GLOB])
+AC_SUBST([VG_LIB_GLOB])
+AC_SUBST([GLAPI_LIB_GLOB])
+AC_SUBST([WAYLAND_EGL_LIB_GLOB])
+
+dnl
+dnl Arch/platform-specific settings
+dnl
+AC_ARG_ENABLE([asm],
+    [AS_HELP_STRING([--disable-asm],
+        [disable assembly usage @<:@default=enabled on supported plaforms@:>@])],
+    [enable_asm="$enableval"],
+    [enable_asm=yes]
+)
+asm_arch=""
+ASM_FLAGS=""
+MESA_ASM_SOURCES=""
+GLAPI_ASM_SOURCES=""
+AC_MSG_CHECKING([whether to enable assembly])
+test "x$enable_asm" = xno && AC_MSG_RESULT([no])
+# disable if cross compiling on x86/x86_64 since we must run gen_matypes
+if test "x$enable_asm" = xyes && test "x$cross_compiling" = xyes; then
+    case "$host_cpu" in
+    i?86 | x86_64)
+        enable_asm=no
+        AC_MSG_RESULT([no, cross compiling])
+        ;;
+    esac
+fi
+# check for supported arches
+if test "x$enable_asm" = xyes; then
+    case "$host_cpu" in
+    i?86)
+        case "$host_os" in
+        linux* | *freebsd* | dragonfly* | *netbsd*)
+            test "x$enable_64bit" = xyes && asm_arch=x86_64 || asm_arch=x86
+            ;;
+        esac
+        ;;
+    x86_64)
+        case "$host_os" in
+        linux* | *freebsd* | dragonfly* | *netbsd*)
+            test "x$enable_32bit" = xyes && asm_arch=x86 || asm_arch=x86_64
+            ;;
+        esac
+        ;;
+    powerpc)
+        case "$host_os" in
+        linux*)
+            asm_arch=ppc
+            ;;
+        esac
+        ;;
+    sparc*)
+        case "$host_os" in
+        linux*)
+            asm_arch=sparc
+            ;;
+        esac
+        ;;
+    esac
+
+    case "$asm_arch" in
+    x86)
+        ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
+        MESA_ASM_SOURCES='$(X86_SOURCES)'
+        GLAPI_ASM_SOURCES='$(X86_API)'
+        AC_MSG_RESULT([yes, x86])
+        ;;
+    x86_64)
+        ASM_FLAGS="-DUSE_X86_64_ASM"
+        MESA_ASM_SOURCES='$(X86-64_SOURCES)'
+        GLAPI_ASM_SOURCES='$(X86-64_API)'
+        AC_MSG_RESULT([yes, x86_64])
+        ;;
+    ppc)
+        ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM"
+        MESA_ASM_SOURCES='$(PPC_SOURCES)'
+        AC_MSG_RESULT([yes, ppc])
+        ;;
+    sparc)
+        ASM_FLAGS="-DUSE_SPARC_ASM"
+        MESA_ASM_SOURCES='$(SPARC_SOURCES)'
+        GLAPI_ASM_SOURCES='$(SPARC_API)'
+        AC_MSG_RESULT([yes, sparc])
+        ;;
+    *)
+        AC_MSG_RESULT([no, platform not supported])
+        ;;
+    esac
+fi
+AC_SUBST([ASM_FLAGS])
+AC_SUBST([MESA_ASM_SOURCES])
+AC_SUBST([GLAPI_ASM_SOURCES])
+
+dnl PIC code macro
+MESA_PIC_FLAGS
+
+dnl Check to see if dlopen is in default libraries (like Solaris, which
+dnl has it in libc), or if libdl is needed to get it.
+AC_CHECK_FUNC([dlopen], [],
+    [AC_CHECK_LIB([dl], [dlopen], [DLOPEN_LIBS="-ldl"])])
+AC_SUBST([DLOPEN_LIBS])
+
+dnl See if posix_memalign is available
+AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
+
+dnl SELinux awareness.
+AC_ARG_ENABLE([selinux],
+    [AS_HELP_STRING([--enable-selinux],
+        [Build SELinux-aware Mesa @<:@default=disabled@:>@])],
+    [MESA_SELINUX="$enableval"],
+    [MESA_SELINUX=no])
+if test "x$enable_selinux" = "xyes"; then
+    AC_CHECK_HEADER([selinux/selinux.h],[],
+                    [AC_MSG_ERROR([SELinux headers not found])])
+    AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
+                 [AC_MSG_ERROR([SELinux library not found])])
+    SELINUX_LIBS="-lselinux"
+    DEFINES="$DEFINES -DMESA_SELINUX"
+fi
+
+dnl Determine which APIs to support
+AC_ARG_ENABLE([opengl],
+    [AS_HELP_STRING([--disable-opengl],
+        [disable support for standard OpenGL API @<:@default=no@:>@])],
+    [enable_opengl="$enableval"],
+    [enable_opengl=yes])
+AC_ARG_ENABLE([gles1],
+    [AS_HELP_STRING([--enable-gles1],
+        [enable support for OpenGL ES 1.x API @<:@default=no@:>@])],
+    [enable_gles1="$enableval"],
+    [enable_gles1=no])
+AC_ARG_ENABLE([gles2],
+    [AS_HELP_STRING([--enable-gles2],
+        [enable support for OpenGL ES 2.x API @<:@default=no@:>@])],
+    [enable_gles2="$enableval"],
+    [enable_gles2=no])
+AC_ARG_ENABLE([gles-overlay],
+    [AS_HELP_STRING([--enable-gles-overlay],
+        [DEPRECATED.  Same as --enable-gles1 and --enable-gles2])],
+    [enable_gles1="$enableval"; enable_gles2="$enableval"],
+    [])
+
+AC_ARG_ENABLE([openvg],
+    [AS_HELP_STRING([--enable-openvg],
+        [enable support for OpenVG API @<:@default=no@:>@])],
+    [enable_openvg="$enableval"],
+    [enable_openvg=no])
+
+dnl smooth the transition; should be removed eventually
+if test "x$enable_openvg" = xno; then
+    case "x$with_state_trackers" in
+    x*vega*)
+        AC_MSG_WARN([vega state tracker is enabled without --enable-openvg])
+        enable_openvg=yes
+        ;;
+    esac
+fi
+
+if test "x$enable_opengl" = xno -a \
+        "x$enable_gles1" = xno -a \
+        "x$enable_gles2" = xno -a \
+        "x$enable_openvg" = xno; then
+    AC_MSG_ERROR([at least one API should be enabled])
+fi
+
+API_DEFINES=""
+if test "x$enable_opengl" = xno; then
+    API_DEFINES="$API_DEFINES -DFEATURE_GL=0"
+else
+    API_DEFINES="$API_DEFINES -DFEATURE_GL=1"
+fi
+if test "x$enable_gles1" = xyes; then
+    API_DEFINES="$API_DEFINES -DFEATURE_ES1=1"
+fi
+if test "x$enable_gles2" = xyes; then
+    API_DEFINES="$API_DEFINES -DFEATURE_ES2=1"
+fi
+AC_SUBST([API_DEFINES])
+
+AC_ARG_ENABLE([shared-glapi],
+    [AS_HELP_STRING([--enable-shared-glapi],
+        [EXPERIMENTAL.  Enable shared glapi for OpenGL @<:@default=no@:>@])],
+    [enable_shared_glapi="$enableval"],
+    [enable_shared_glapi=no])
+
+SHARED_GLAPI="0"
+if test "x$enable_shared_glapi" = xyes; then
+    SHARED_GLAPI="1"
+fi
+AC_SUBST([SHARED_GLAPI])
+
+dnl
+dnl Driver configuration. Options are xlib, dri and osmesa right now.
+dnl More later: fbdev, ...
+dnl
+default_driver="xlib"
+
+case "$host_os" in
+linux*)
+    case "$host_cpu" in
+    i*86|x86_64|powerpc*|sparc*) default_driver="dri";;
+    esac
+    ;;
+*freebsd* | dragonfly* | *netbsd*)
+    case "$host_cpu" in
+    i*86|x86_64|powerpc*|sparc*) default_driver="dri";;
+    esac
+    ;;
+esac
+
+if test "x$enable_opengl" = xno; then
+    default_driver="no"
+fi
+
+AC_ARG_WITH([driver],
+    [AS_HELP_STRING([--with-driver=DRIVER],
+        [driver for Mesa: xlib,dri,osmesa @<:@default=dri when available, or xlib@:>@])],
+    [mesa_driver="$withval"],
+    [mesa_driver="$default_driver"])
+dnl Check for valid option
+case "x$mesa_driver" in
+xxlib|xdri|xosmesa)
+    if test "x$enable_opengl" = xno; then
+        AC_MSG_ERROR([Driver '$mesa_driver' requires OpenGL enabled])
+    fi
+    ;;
+xno)
+    ;;
+*)
+    AC_MSG_ERROR([Driver '$mesa_driver' is not a valid option])
+    ;;
+esac
+
+dnl
+dnl Driver specific build directories
+dnl
+
+dnl this variable will be prepended to SRC_DIRS and is not exported
+CORE_DIRS=""
+
+SRC_DIRS=""
+GLU_DIRS="sgi"
+GALLIUM_DIRS="auxiliary drivers state_trackers"
+GALLIUM_TARGET_DIRS=""
+GALLIUM_WINSYS_DIRS="sw"
+GALLIUM_DRIVERS_DIRS="softpipe failover galahad trace rbug noop identity"
+GALLIUM_STATE_TRACKERS_DIRS=""
+
+# build shared-glapi if enabled for OpenGL or if OpenGL ES is enabled
+case "x$enable_shared_glapi$enable_gles1$enable_gles2" in
+x*yes*)
+    CORE_DIRS="$CORE_DIRS mapi/shared-glapi"
+    ;;
+esac
+
+# build glapi if OpenGL is enabled
+if test "x$enable_opengl" = xyes; then
+    CORE_DIRS="$CORE_DIRS mapi/glapi"
+fi
+
+# build es1api if OpenGL ES 1.x is enabled
+if test "x$enable_gles1" = xyes; then
+    CORE_DIRS="$CORE_DIRS mapi/es1api"
+fi
+
+# build es2api if OpenGL ES 2.x is enabled
+if test "x$enable_gles2" = xyes; then
+    CORE_DIRS="$CORE_DIRS mapi/es2api"
+fi
+
+# build vgapi if OpenVG is enabled
+if test "x$enable_openvg" = xyes; then
+    CORE_DIRS="$CORE_DIRS mapi/vgapi"
+fi
+
+# build glsl and mesa if OpenGL or OpenGL ES is enabled
+case "x$enable_opengl$enable_gles1$enable_gles2" in
+x*yes*)
+    CORE_DIRS="$CORE_DIRS glsl mesa"
+    ;;
+esac
+
+case "$mesa_driver" in
+xlib)
+    DRIVER_DIRS="x11"
+    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib"
+    GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS libgl-xlib"
+    ;;
+dri)
+    SRC_DIRS="$SRC_DIRS glx"
+    DRIVER_DIRS="dri"
+    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/xlib sw/dri"
+    ;;
+osmesa)
+    DRIVER_DIRS="osmesa"
+    ;;
+no)
+    DRIVER_DRIS=""
+    ;;
+esac
+AC_SUBST([SRC_DIRS])
+AC_SUBST([GLU_DIRS])
+AC_SUBST([DRIVER_DIRS])
+AC_SUBST([GALLIUM_DIRS])
+AC_SUBST([GALLIUM_TARGET_DIRS])
+AC_SUBST([GALLIUM_WINSYS_DIRS])
+AC_SUBST([GALLIUM_DRIVERS_DIRS])
+AC_SUBST([GALLIUM_STATE_TRACKERS_DIRS])
+AC_SUBST([MESA_LLVM])
+
+dnl
+dnl Find out if X is available. The variable have_x is set if libX11 is
+dnl found to mimic AC_PATH_XTRA.
+dnl
+if test -n "$PKG_CONFIG"; then
+    AC_MSG_CHECKING([pkg-config files for X11 are available])
+    PKG_CHECK_EXISTS([x11],[
+        x11_pkgconfig=yes
+        have_x=yes
+        ],[
+        x11_pkgconfig=no
+    ])
+    AC_MSG_RESULT([$x11_pkgconfig])
+else
+    x11_pkgconfig=no
+fi
+dnl Use the autoconf macro if no pkg-config files
+if test "$x11_pkgconfig" = yes; then
+    PKG_CHECK_MODULES([X11], [x11])
+else
+    AC_PATH_XTRA
+    test -z "$X11_CFLAGS" && X11_CFLAGS="$X_CFLAGS"
+    test -z "$X11_LIBS" && X11_LIBS="$X_LIBS -lX11"
+    AC_SUBST([X11_CFLAGS])
+    AC_SUBST([X11_LIBS])
+fi
+
+dnl Try to tell the user that the --x-* options are only used when
+dnl pkg-config is not available. This must be right after AC_PATH_XTRA.
+m4_divert_once([HELP_BEGIN],
+[These options are only used when the X libraries cannot be found by the
+pkg-config utility.])
+
+dnl We need X for xlib and dri, so bomb now if it's not found
+case "$mesa_driver" in
+xlib|dri)
+    if test "$no_x" = yes; then
+        AC_MSG_ERROR([X11 development libraries needed for $mesa_driver driver])
+    fi
+    ;;
+esac
+
+dnl XCB - this is only used for GLX right now
+AC_ARG_ENABLE([xcb],
+    [AS_HELP_STRING([--enable-xcb],
+        [use XCB for GLX @<:@default=disabled@:>@])],
+    [enable_xcb="$enableval"],
+    [enable_xcb=no])
+if test "x$enable_xcb" = xyes; then
+    DEFINES="$DEFINES -DUSE_XCB"
+else
+    enable_xcb=no
+fi
+
+dnl
+dnl libGL configuration per driver
+dnl
+case "$mesa_driver" in
+xlib)
+    if test "$x11_pkgconfig" = yes; then
+        PKG_CHECK_MODULES([XLIBGL], [x11 xext])
+        GL_PC_REQ_PRIV="x11 xext"
+        X11_INCLUDES="$X11_INCLUDES $XLIBGL_CFLAGS"
+        GL_LIB_DEPS="$XLIBGL_LIBS"
+    else
+        # should check these...
+        X11_INCLUDES="$X11_INCLUDES $X_CFLAGS"
+        GL_LIB_DEPS="$X_LIBS -lX11 -lXext"
+        GL_PC_LIB_PRIV="$GL_LIB_DEPS"
+        GL_PC_CFLAGS="$X11_INCLUDES"
+    fi
+    GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm -lpthread"
+    GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm -lpthread"
+
+    # if static, move the external libraries to the programs
+    # and empty the libraries for libGL
+    if test "$enable_static" = yes; then
+        APP_LIB_DEPS="$APP_LIB_DEPS $GL_LIB_DEPS"
+        GL_LIB_DEPS=""
+    fi
+    ;;
+dri|no) # these checks are still desired when there is no mesa_driver
+    # DRI must be shared, I think
+    if test "$enable_static" = yes; then
+        AC_MSG_ERROR([Can't use static libraries for DRI drivers])
+    fi
+
+    # Check for libdrm
+    PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED])
+    PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
+    PKG_CHECK_MODULES([GLPROTO], [glproto >= $GLPROTO_REQUIRED])
+    GL_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED dri2proto >= $DRI2PROTO_REQUIRED glproto >= $GLPROTO_REQUIRED"
+    DRI_PC_REQ_PRIV="libdrm >= $LIBDRM_REQUIRED"
+
+    # find the DRI deps for libGL
+    if test "$x11_pkgconfig" = yes; then
+        dri_modules="x11 xext xdamage xfixes"
+
+        # add xf86vidmode if available
+        PKG_CHECK_MODULES([XF86VIDMODE], [xxf86vm], HAVE_XF86VIDMODE=yes, HAVE_XF86VIDMODE=no)
+        if test "$HAVE_XF86VIDMODE" = yes ; then
+            dri_modules="$dri_modules xxf86vm"
+        fi
+
+        # add xcb modules if necessary
+        if test "$enable_xcb" = yes; then
+            dri_modules="$dri_modules x11-xcb xcb-glx"
+        fi
+
+        PKG_CHECK_MODULES([DRIGL], [$dri_modules])
+        GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV $dri_modules"
+        X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
+        GL_LIB_DEPS="$DRIGL_LIBS"
+    else
+        # should check these...
+        X11_INCLUDES="$X11_INCLUDES $X_CFLAGS"
+        GL_LIB_DEPS="$X_LIBS -lX11 -lXext -lXxf86vm -lXdamage -lXfixes"
+        GL_PC_LIB_PRIV="$GL_LIB_DEPS"
+        GL_PC_CFLAGS="$X11_INCLUDES"
+
+        # XCB can only be used from pkg-config
+        if test "$enable_xcb" = yes; then
+            PKG_CHECK_MODULES([XCB],[x11-xcb xcb-glx])
+            GL_PC_REQ_PRIV="$GL_PC_REQ_PRIV x11-xcb xcb-glx"
+            X11_INCLUDES="$X11_INCLUDES $XCB_CFLAGS"
+            GL_LIB_DEPS="$GL_LIB_DEPS $XCB_LIBS"
+        fi
+    fi
+
+    # need DRM libs, -lpthread, etc.
+    GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
+    GL_PC_LIB_PRIV="-lm -lpthread $DLOPEN_LIBS"
+    GLESv1_CM_LIB_DEPS="$LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
+    GLESv1_CM_PC_LIB_PRIV="-lm -lpthread $DLOPEN_LIBS"
+    GLESv2_LIB_DEPS="$LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
+    GLESv2_PC_LIB_PRIV="-lm -lpthread $DLOPEN_LIBS"
+    ;;
+osmesa)
+    # No libGL for osmesa
+    GL_LIB_DEPS=""
+    ;;
+esac
+AC_SUBST([GL_LIB_DEPS])
+AC_SUBST([GL_PC_REQ_PRIV])
+AC_SUBST([GL_PC_LIB_PRIV])
+AC_SUBST([GL_PC_CFLAGS])
+AC_SUBST([DRI_PC_REQ_PRIV])
+AC_SUBST([GLESv1_CM_LIB_DEPS])
+AC_SUBST([GLESv1_CM_PC_LIB_PRIV])
+AC_SUBST([GLESv2_LIB_DEPS])
+AC_SUBST([GLESv2_PC_LIB_PRIV])
+
+GLAPI_LIB_DEPS="-lpthread"
+AC_SUBST([GLAPI_LIB_DEPS])
+
+
+dnl Setup default DRI CFLAGS
+DRI_CFLAGS='$(CFLAGS)'
+DRI_CXXFLAGS='$(CXXFLAGS)'
+DRI_LIB_DEPS='$(TOP)/src/mesa/libmesa.a'
+MESA_MODULES='$(TOP)/src/mesa/libmesa.a'
+
+AC_ARG_ENABLE([shared-dricore],
+    [AS_HELP_STRING([--enable-shared-dricore],
+        [link DRI modules with shared core DRI routines @<:@default=disabled@:>@])],
+    [enable_dricore="$enableval"],
+    [enable_dricore=no])
+if test "$mesa_driver" = dri ; then
+   if test "$enable_dricore" = yes ; then
+      if test "$GCC$GXX" != yesyes ; then
+      	 AC_MSG_WARN([Shared dricore requires GCC-compatible rpath handling.  Disabling shared dricore])
+	 enable_dricore=no
+      else
+	 DRICORE_GLSL_LIBS='$(TOP)/$(LIB_DIR)/libglsl.so'
+	 DRICORE_LIBS='$(TOP)/$(LIB_DIR)/libdricore.so'
+	 DRICORE_LIB_DEPS='-L$(TOP)/$(LIB_DIR) -Wl,-R$(DRI_DRIVER_INSTALL_DIR) -lglsl'
+      	 DRI_LIB_DEPS='-L$(TOP)/$(LIB_DIR) -Wl,-R$(DRI_DRIVER_INSTALL_DIR) -ldricore -lglsl'
+      	 DRI_CFLAGS='$(CFLAGS_NOVISIBILITY) -DUSE_DRICORE'
+      	 DRI_CXXFLAGS='$(CXXFLAGS_NOVISIBILITY) -DUSE_DRICORE'
+      	 MESA_MODULES='$(DRICORE_LIBS) $(DRICORE_GLSL_LIBS)'
+      fi
+   fi
+fi
+AC_SUBST([DRICORE_LIBS])
+AC_SUBST([DRICORE_GLSL_LIBS])
+AC_SUBST([DRICORE_LIB_DEPS])
+AC_SUBST([DRI_CXXFLAGS])
+AC_SUBST([DRI_CFLAGS])
+AC_SUBST([MESA_MODULES])
+
+AC_SUBST([HAVE_XF86VIDMODE])
+
+PKG_CHECK_MODULES([LIBDRM_RADEON],
+		  [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED],
+		  HAVE_LIBDRM_RADEON=yes,
+		  HAVE_LIBDRM_RADEON=no)
+
+dnl
+dnl More X11 setup
+dnl
+if test "$mesa_driver" = xlib; then
+    DEFINES="$DEFINES -DUSE_XSHM"
+fi
+
+dnl
+dnl TLS detection
+dnl
+
+AC_ARG_ENABLE([glx-tls],
+    [AS_HELP_STRING([--enable-glx-tls],
+        [enable TLS support in GLX @<:@default=disabled@:>@])],
+    [GLX_USE_TLS="$enableval"],
+    [GLX_USE_TLS=no])
+AC_SUBST(GLX_TLS, ${GLX_USE_TLS})
+
+AS_IF([test "x$GLX_USE_TLS" = xyes],
+      [DEFINES="${DEFINES} -DGLX_USE_TLS -DPTHREADS"])
+
+dnl
+dnl More DRI setup
+dnl
+dnl Directory for DRI drivers
+AC_ARG_WITH([dri-driverdir],
+    [AS_HELP_STRING([--with-dri-driverdir=DIR],
+        [directory for the DRI drivers @<:@${libdir}/dri@:>@])],
+    [DRI_DRIVER_INSTALL_DIR="$withval"],
+    [DRI_DRIVER_INSTALL_DIR='${libdir}/dri'])
+AC_SUBST([DRI_DRIVER_INSTALL_DIR])
+dnl Extra search path for DRI drivers
+AC_ARG_WITH([dri-searchpath],
+    [AS_HELP_STRING([--with-dri-searchpath=DIRS...],
+        [semicolon delimited DRI driver search directories @<:@${libdir}/dri@:>@])],
+    [DRI_DRIVER_SEARCH_DIR="$withval"],
+    [DRI_DRIVER_SEARCH_DIR='${DRI_DRIVER_INSTALL_DIR}'])
+AC_SUBST([DRI_DRIVER_SEARCH_DIR])
+dnl Direct rendering or just indirect rendering
+AC_ARG_ENABLE([driglx-direct],
+    [AS_HELP_STRING([--disable-driglx-direct],
+        [enable direct rendering in GLX and EGL for DRI @<:@default=enabled@:>@])],
+    [driglx_direct="$enableval"],
+    [driglx_direct="yes"])
+dnl Which drivers to build - default is chosen by platform
+AC_ARG_WITH([dri-drivers],
+    [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
+        [comma delimited DRI drivers list, e.g.
+        "swrast,i965,radeon" @<:@default=auto@:>@])],
+    [with_dri_drivers="$withval"],
+    [with_dri_drivers=yes])
+if test "x$with_dri_drivers" = x; then
+    with_dri_drivers=no
+fi
+
+dnl If $with_dri_drivers is yes, directories will be added through
+dnl platform checks
+DRI_DIRS=""
+case "$with_dri_drivers" in
+no) ;;
+yes)
+    DRI_DIRS="yes"
+    ;;
+*)
+    # verify the requested driver directories exist
+    dri_drivers=`IFS=', '; echo $with_dri_drivers`
+    for driver in $dri_drivers; do
+        test -d "$srcdir/src/mesa/drivers/dri/$driver" || \
+            AC_MSG_ERROR([DRI driver directory '$driver' doesn't exist])
+    done
+    DRI_DIRS="$dri_drivers"
+    ;;
+esac
+
+dnl Set DRI_DIRS, DEFINES and LIB_DEPS
+if test "$mesa_driver" = dri -o "$mesa_driver" = no; then
+    # Platform specific settings and drivers to build
+    case "$host_os" in
+    linux*)
+        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
+        if test "x$driglx_direct" = xyes; then
+            DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
+        fi
+        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING -DHAVE_ALIAS"
+
+        case "$host_cpu" in
+        x86_64)
+            # sis is missing because they have not be converted to use
+            # the new interface.  i810 are missing because there is no
+            # x86-64 system where they could *ever* be used.
+            if test "x$DRI_DIRS" = "xyes"; then
+                DRI_DIRS="i915 i965 mach64 mga r128 r200 r300 r600 radeon \
+                    savage tdfx unichrome swrast"
+            fi
+            ;;
+        powerpc*)
+            # Build only the drivers for cards that exist on PowerPC.
+            # At some point MGA will be added, but not yet.
+            if test "x$DRI_DIRS" = "xyes"; then
+                DRI_DIRS="mach64 r128 r200 r300 r600 radeon tdfx swrast"
+            fi
+            ;;
+        sparc*)
+            # Build only the drivers for cards that exist on sparc`
+            if test "x$DRI_DIRS" = "xyes"; then
+                DRI_DIRS="mach64 r128 r200 r300 r600 radeon swrast"
+            fi
+            ;;
+        esac
+        ;;
+    freebsd* | dragonfly* | *netbsd*)
+        DEFINES="$DEFINES -DPTHREADS -DUSE_EXTERNAL_DXTN_LIB=1"
+        DEFINES="$DEFINES -DIN_DRI_DRIVER -DHAVE_ALIAS"
+        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
+        if test "x$driglx_direct" = xyes; then
+            DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
+        fi
+
+        if test "x$DRI_DIRS" = "xyes"; then
+            DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 r600 radeon tdfx \
+                unichrome savage sis swrast"
+        fi
+        ;;
+    gnu*)
+        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
+        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING -DHAVE_ALIAS"
+	;;
+    solaris*)
+        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
+        DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
+        if test "x$driglx_direct" = xyes; then
+            DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
+        fi
+        ;;
+    esac
+
+    # default drivers
+    if test "x$DRI_DIRS" = "xyes"; then
+        DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 r600 radeon \
+            savage sis tdfx unichrome swrast"
+    fi
+
+    DRI_DIRS=`echo "$DRI_DIRS" | $SED 's/  */ /g'`
+
+    # Check for expat
+    if test "$mesa_driver" = dri; then
+        EXPAT_INCLUDES=""
+        EXPAT_LIB=-lexpat
+        AC_ARG_WITH([expat],
+            [AS_HELP_STRING([--with-expat=DIR],
+                [expat install directory])],[
+            EXPAT_INCLUDES="-I$withval/include"
+            CPPFLAGS="$CPPFLAGS $EXPAT_INCLUDES"
+            LDFLAGS="$LDFLAGS -L$withval/$LIB_DIR"
+            EXPAT_LIB="-L$withval/$LIB_DIR -lexpat"
+            ])
+        AC_CHECK_HEADER([expat.h],[],[AC_MSG_ERROR([Expat required for DRI.])])
+        AC_CHECK_LIB([expat],[XML_ParserCreate],[],
+            [AC_MSG_ERROR([Expat required for DRI.])])
+    fi
+
+    # put all the necessary libs together, including possibly libdricore
+    DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
+fi
+AC_SUBST([DRI_DIRS])
+AC_SUBST([EXPAT_INCLUDES])
+AC_SUBST([DRI_LIB_DEPS])
+
+case $DRI_DIRS in
+*i915*|*i965*)
+    PKG_CHECK_MODULES([INTEL], [libdrm_intel >= $LIBDRM_INTEL_REQUIRED])
+    ;;
+esac
+
+case $DRI_DIRS in
+*radeon*|*r200*|*r300*|*r600*)
+    if test "x$HAVE_LIBDRM_RADEON" = xyes; then
+	RADEON_CFLAGS="-DHAVE_LIBDRM_RADEON=1 $LIBDRM_RADEON_CFLAGS"
+	RADEON_LDFLAGS=$LIBDRM_RADEON_LIBS
+    fi
+    ;;
+esac
+AC_SUBST([RADEON_CFLAGS])
+AC_SUBST([RADEON_LDFLAGS])
+
+
+dnl
+dnl OSMesa configuration
+dnl
+if test "$mesa_driver" = xlib; then
+    default_gl_osmesa=yes
+else
+    default_gl_osmesa=no
+fi
+AC_ARG_ENABLE([gl-osmesa],
+    [AS_HELP_STRING([--enable-gl-osmesa],
+        [enable OSMesa with libGL @<:@default=enabled for xlib driver@:>@])],
+    [gl_osmesa="$enableval"],
+    [gl_osmesa="$default_gl_osmesa"])
+if test "x$gl_osmesa" = xyes; then
+    if test "x$enable_opengl" = xno; then
+        AC_MSG_ERROR([OpenGL is not available for OSMesa driver])
+    fi
+    if test "$mesa_driver" = osmesa; then
+        AC_MSG_ERROR([libGL is not available for OSMesa driver])
+    else
+        DRIVER_DIRS="$DRIVER_DIRS osmesa"
+    fi
+fi
+
+dnl Configure the channel bits for OSMesa (libOSMesa, libOSMesa16, ...)
+AC_ARG_WITH([osmesa-bits],
+    [AS_HELP_STRING([--with-osmesa-bits=BITS],
+        [OSMesa channel bits and library name: 8, 16, 32 @<:@default=8@:>@])],
+    [osmesa_bits="$withval"],
+    [osmesa_bits=8])
+if test "$mesa_driver" != osmesa && test "x$osmesa_bits" != x8; then
+    AC_MSG_WARN([Ignoring OSMesa channel bits for non-OSMesa driver])
+    osmesa_bits=8
+fi
+case "x$osmesa_bits" in
+x8)
+    OSMESA_LIB=OSMesa
+    ;;
+x16|x32)
+    OSMESA_LIB="OSMesa$osmesa_bits"
+    DEFINES="$DEFINES -DCHAN_BITS=$osmesa_bits -DDEFAULT_SOFTWARE_DEPTH_BITS=31"
+    ;;
+*)
+    AC_MSG_ERROR([OSMesa bits '$osmesa_bits' is not a valid option])
+    ;;
+esac
+AC_SUBST([OSMESA_LIB])
+
+case "$DRIVER_DIRS" in
+*osmesa*)
+    # only link libraries with osmesa if shared
+    if test "$enable_static" = no; then
+        OSMESA_LIB_DEPS="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
+    else
+        OSMESA_LIB_DEPS=""
+    fi
+    OSMESA_MESA_DEPS=""
+    OSMESA_PC_LIB_PRIV="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
+    ;;
+esac
+AC_SUBST([OSMESA_LIB_DEPS])
+AC_SUBST([OSMESA_MESA_DEPS])
+AC_SUBST([OSMESA_PC_REQ])
+AC_SUBST([OSMESA_PC_LIB_PRIV])
+
+dnl
+dnl EGL configuration
+dnl
+AC_ARG_ENABLE([egl],
+    [AS_HELP_STRING([--disable-egl],
+        [disable EGL library @<:@default=enabled@:>@])],
+    [enable_egl="$enableval"],
+    [enable_egl=yes])
+if test "x$enable_egl" = xno; then
+    if test "x$mesa_driver" = xno; then
+        AC_MSG_ERROR([cannot disable EGL when there is no mesa driver])
+    fi
+    if test "x$enable_openvg" = xyes; then
+        AC_MSG_ERROR([cannot enable OpenVG without EGL])
+    fi
+fi
+if test "x$enable_egl" = xyes; then
+    SRC_DIRS="$SRC_DIRS egl"
+    EGL_LIB_DEPS="$DLOPEN_LIBS -lpthread"
+    EGL_DRIVERS_DIRS=""
+    if test "$enable_static" != yes; then
+        # build egl_glx when libGL is built
+        if test "$mesa_driver" = xlib -o "$mesa_driver" = dri; then
+            EGL_DRIVERS_DIRS="glx"
+        fi
+
+        if test "$mesa_driver" = dri; then
+            # build egl_dri2 when xcb-dri2 is available
+            PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 xcb-xfixes],
+            		  [have_xcb_dri2=yes],[have_xcb_dri2=no])
+            PKG_CHECK_MODULES([LIBUDEV], [libudev > 150],
+            		  [have_libudev=yes],[have_libudev=no])
+            
+            if test "$have_xcb_dri2" = yes; then
+                EGL_DRIVER_DRI2=dri2
+                DEFINES="$DEFINES -DHAVE_XCB_DRI2"
+                if test "$have_libudev" = yes; then
+                    DEFINES="$DEFINES -DHAVE_LIBUDEV"
+                fi
+                # workaround a bug in xcb-dri2 generated by xcb-proto 1.6
+                AC_CHECK_LIB(xcb-dri2, xcb_dri2_connect_alignment_pad, [],
+                          [DEFINES="$DEFINES -DXCB_DRI2_CONNECT_DEVICE_NAME_BROKEN"])
+            fi
+	fi
+
+        EGL_DRIVERS_DIRS="$EGL_DRIVERS_DIRS $EGL_DRIVER_DRI2"
+    fi
+fi
+AC_SUBST([EGL_LIB_DEPS])
+AC_SUBST([EGL_DRIVERS_DIRS])
+
+dnl
+dnl GLU configuration
+dnl
+AC_ARG_ENABLE([glu],
+    [AS_HELP_STRING([--disable-glu],
+        [enable OpenGL Utility library @<:@default=enabled@:>@])],
+    [enable_glu="$enableval"],
+    [enable_glu=yes])
+
+if test "x$enable_glu" = xyes -a "x$mesa_driver" = xno; then
+    AC_MSG_NOTICE([Disabling GLU since there is no OpenGL driver])
+    enable_glu=no
+fi
+
+if test "x$enable_glu" = xyes; then
+    SRC_DIRS="$SRC_DIRS glu"
+
+    case "$mesa_driver" in
+    osmesa)
+        # Link libGLU to libOSMesa instead of libGL
+        GLU_LIB_DEPS=""
+        GLU_PC_REQ="osmesa"
+        if test "$enable_static" = no; then
+            GLU_MESA_DEPS='-l$(OSMESA_LIB)'
+        else
+            GLU_MESA_DEPS=""
+        fi
+        ;;
+    *)
+        # If static, empty GLU_LIB_DEPS and add libs for programs to link
+        GLU_PC_REQ="gl"
+        GLU_PC_LIB_PRIV="-lm"
+        if test "$enable_static" = no; then
+            GLU_LIB_DEPS="-lm"
+            GLU_MESA_DEPS='-l$(GL_LIB)'
+        else
+            GLU_LIB_DEPS=""
+            GLU_MESA_DEPS=""
+            APP_LIB_DEPS="$APP_LIB_DEPS -lstdc++"
+        fi
+        ;;
+    esac
+fi
+if test "$enable_static" = no; then
+    GLU_LIB_DEPS="$GLU_LIB_DEPS $OS_CPLUSPLUS_LIBS"
+fi
+GLU_PC_LIB_PRIV="$GLU_PC_LIB_PRIV $OS_CPLUSPLUS_LIBS"
+AC_SUBST([GLU_LIB_DEPS])
+AC_SUBST([GLU_MESA_DEPS])
+AC_SUBST([GLU_PC_REQ])
+AC_SUBST([GLU_PC_REQ_PRIV])
+AC_SUBST([GLU_PC_LIB_PRIV])
+AC_SUBST([GLU_PC_CFLAGS])
+
+dnl
+dnl GLw configuration
+dnl
+AC_ARG_ENABLE([glw],
+    [AS_HELP_STRING([--disable-glw],
+        [enable Xt/Motif widget library @<:@default=enabled@:>@])],
+    [enable_glw="$enableval"],
+    [enable_glw=yes])
+dnl Don't build GLw on osmesa
+if test "x$enable_glw" = xyes; then
+    case "$mesa_driver" in
+    osmesa|no)
+        AC_MSG_NOTICE([Disabling GLw since there is no OpenGL driver])
+        enable_glw=no
+        ;;
+    esac
+fi
+AC_ARG_ENABLE([motif],
+    [AS_HELP_STRING([--enable-motif],
+        [use Motif widgets in GLw @<:@default=disabled@:>@])],
+    [enable_motif="$enableval"],
+    [enable_motif=no])
+
+if test "x$enable_glw" = xyes; then
+    SRC_DIRS="$SRC_DIRS glw"
+    if test "$x11_pkgconfig" = yes; then
+        PKG_CHECK_MODULES([GLW],[x11 xt])
+        GLW_PC_REQ_PRIV="x11 xt"
+        GLW_LIB_DEPS="$GLW_LIBS"
+    else
+        # should check these...
+        GLW_LIB_DEPS="$X_LIBS -lXt -lX11"
+        GLW_PC_LIB_PRIV="$GLW_LIB_DEPS"
+        GLW_PC_CFLAGS="$X11_INCLUDES"
+    fi
+
+    GLW_SOURCES="GLwDrawA.c"
+    MOTIF_CFLAGS=
+    if test "x$enable_motif" = xyes; then
+        GLW_SOURCES="$GLW_SOURCES GLwMDrawA.c"
+        AC_PATH_PROG([MOTIF_CONFIG], [motif-config], [no])
+        if test "x$MOTIF_CONFIG" != xno; then
+            MOTIF_CFLAGS=`$MOTIF_CONFIG --cflags`
+            MOTIF_LIBS=`$MOTIF_CONFIG --libs`
+        else
+            AC_CHECK_HEADER([Xm/PrimitiveP.h], [],
+                [AC_MSG_ERROR([Can't locate Motif headers])])
+            AC_CHECK_LIB([Xm], [XmGetPixmap], [MOTIF_LIBS="-lXm"],
+                [AC_MSG_ERROR([Can't locate Motif Xm library])])
+        fi
+        # MOTIF_LIBS is prepended to GLW_LIB_DEPS since Xm needs Xt/X11
+        GLW_LIB_DEPS="$MOTIF_LIBS $GLW_LIB_DEPS"
+        GLW_PC_LIB_PRIV="$MOTIF_LIBS $GLW_PC_LIB_PRIV"
+        GLW_PC_CFLAGS="$MOTIF_CFLAGS $GLW_PC_CFLAGS"
+    fi
+
+    # If static, empty GLW_LIB_DEPS and add libs for programs to link
+    GLW_PC_LIB_PRIV="$GLW_PC_LIB_PRIV"
+    if test "$enable_static" = no; then
+        GLW_MESA_DEPS='-l$(GL_LIB)'
+        GLW_LIB_DEPS="$GLW_LIB_DEPS"
+    else
+        APP_LIB_DEPS="$APP_LIB_DEPS $GLW_LIB_DEPS"
+        GLW_LIB_DEPS=""
+        GLW_MESA_DEPS=""
+    fi
+fi
+AC_SUBST([GLW_LIB_DEPS])
+AC_SUBST([GLW_MESA_DEPS])
+AC_SUBST([GLW_SOURCES])
+AC_SUBST([MOTIF_CFLAGS])
+AC_SUBST([GLW_PC_REQ_PRIV])
+AC_SUBST([GLW_PC_LIB_PRIV])
+AC_SUBST([GLW_PC_CFLAGS])
+
+dnl
+dnl GLUT configuration
+dnl
+if test -f "$srcdir/include/GL/glut.h"; then
+    default_glut=yes
+else
+    default_glut=no
+fi
+AC_ARG_ENABLE([glut],
+    [AS_HELP_STRING([--disable-glut],
+        [enable GLUT library @<:@default=enabled if source available@:>@])],
+    [enable_glut="$enableval"],
+    [enable_glut="$default_glut"])
+
+dnl Don't build glut on osmesa
+if test "x$enable_glut" = xyes; then
+    case "$mesa_driver" in
+    osmesa|no)
+        AC_MSG_NOTICE([Disabling glut since there is no OpenGL driver])
+        enable_glut=no
+        ;;
+    esac
+fi
+dnl Can't build glut if GLU not available
+if test "x$enable_glu$enable_glut" = xnoyes; then
+    AC_MSG_WARN([Disabling glut since GLU is disabled])
+    enable_glut=no
+fi
+
+if test "x$enable_glut" = xyes; then
+    SRC_DIRS="$SRC_DIRS glut/glx"
+    if test "$x11_pkgconfig" = yes; then
+        PKG_CHECK_MODULES([GLUT],[x11 xmu xi])
+        GLUT_PC_REQ_PRIV="x11 xmu xi"
+        GLUT_LIB_DEPS="$GLUT_LIBS"
+    else
+        # should check these...
+        GLUT_LIB_DEPS="$X_LIBS -lX11 -lXmu -lXi"
+        GLUT_PC_LIB_PRIV="$GLUT_LIB_DEPS"
+        GLUT_PC_CFLAGS="$X11_INCLUDES"
+    fi
+    if test "x$GCC" = xyes; then
+        GLUT_CFLAGS="$GLUT_CFLAGS -fexceptions"
+    fi
+    GLUT_LIB_DEPS="$GLUT_LIB_DEPS -lm"
+    GLUT_PC_LIB_PRIV="$GLUT_PC_LIB_PRIV -lm"
+
+    # If static, empty GLUT_LIB_DEPS and add libs for programs to link
+    if test "$enable_static" = no; then
+        GLUT_MESA_DEPS='-l$(GLU_LIB) -l$(GL_LIB)'
+    else
+        APP_LIB_DEPS="$APP_LIB_DEPS $GLUT_LIB_DEPS"
+        GLUT_LIB_DEPS=""
+        GLUT_MESA_DEPS=""
+    fi
+fi
+AC_SUBST([GLUT_LIB_DEPS])
+AC_SUBST([GLUT_MESA_DEPS])
+AC_SUBST([GLUT_CFLAGS])
+AC_SUBST([GLUT_PC_REQ_PRIV])
+AC_SUBST([GLUT_PC_LIB_PRIV])
+AC_SUBST([GLUT_PC_CFLAGS])
+
+dnl
+dnl Program library dependencies
+dnl    Only libm is added here if necessary as the libraries should
+dnl    be pulled in by the linker
+dnl
+if test "x$APP_LIB_DEPS" = x; then
+    case "$host_os" in
+    solaris*)
+        APP_LIB_DEPS="-lX11 -lsocket -lnsl -lm"
+        ;;
+    cygwin*)
+        APP_LIB_DEPS="-lX11"
+        ;;
+    *)
+        APP_LIB_DEPS="-lm"
+        ;;
+    esac
+fi
+AC_SUBST([APP_LIB_DEPS])
+AC_SUBST([PROGRAM_DIRS])
+
+dnl
+dnl Gallium configuration
+dnl
+AC_ARG_ENABLE([gallium],
+    [AS_HELP_STRING([--disable-gallium],
+        [build gallium @<:@default=enabled@:>@])],
+    [enable_gallium="$enableval"],
+    [enable_gallium=yes])
+if test "x$enable_gallium" = xno -a "x$enable_openvg" = xyes; then
+    AC_MSG_ERROR([cannot enable OpenVG without Gallium])
+fi
+if test "x$enable_gallium" = xyes; then
+    SRC_DIRS="$SRC_DIRS gallium gallium/winsys gallium/targets"
+    AC_PATH_PROG([LLVM_CONFIG], [llvm-config], [no])
+fi
+
+AC_SUBST([LLVM_CFLAGS])
+AC_SUBST([LLVM_LIBS])
+AC_SUBST([LLVM_LDFLAGS])
+AC_SUBST([LLVM_VERSION])
+
+dnl
+dnl Gallium state trackers configuration
+dnl
+
+AC_ARG_ENABLE([gallium-egl],
+    [AS_HELP_STRING([--enable-gallium-egl],
+        [enable gallium EGL state tracker @<:@default=auto@:>@])],
+    [enable_gallium_egl="$enableval"],
+    [enable_gallium_egl=auto])
+if test "x$enable_gallium_egl" = xauto; then
+    case "$mesa_driver" in
+    dri|no)
+        enable_gallium_egl=$enable_egl
+        ;;
+    *)
+        enable_gallium_egl=$enable_openvg
+        ;;
+    esac
+fi
+case "x$enable_egl$enable_gallium_egl" in
+xnoyes)
+    AC_MSG_ERROR([cannot build Gallium EGL state tracker without EGL])
+esac
+
+AC_ARG_WITH([state-trackers],
+    [AS_HELP_STRING([--with-state-trackers@<:@=DIRS...@:>@],
+        [comma delimited state_trackers list, e.g.
+        "egl,glx" @<:@default=auto@:>@])],
+    [with_state_trackers="$withval"],
+    [with_state_trackers=yes])
+
+case "$with_state_trackers" in
+no)
+    GALLIUM_STATE_TRACKERS_DIRS=""
+    ;;
+yes)
+    # look at what else is built
+    case "$mesa_driver" in
+    xlib)
+        GALLIUM_STATE_TRACKERS_DIRS=glx
+        ;;
+    dri)
+        GALLIUM_STATE_TRACKERS_DIRS="dri"
+        HAVE_ST_DRI="yes"
+        # Have only tested st/xorg on 1.6.0 servers
+        PKG_CHECK_MODULES(XORG, [xorg-server >= 1.6.0 libdrm >= $LIBDRM_XORG_REQUIRED libkms >= $LIBKMS_XORG_REQUIRED],
+            HAVE_ST_XORG="yes"; GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS xorg",
+            HAVE_ST_XORG="no")
+        ;;
+    esac
+
+    if test "x$enable_egl" = xyes; then
+        if test "$enable_openvg" = yes; then
+            GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS vega"
+            st_egl="yes"
+        fi
+
+        if test "$enable_gallium_egl" = yes; then
+            GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS egl"
+            HAVE_ST_EGL="yes"
+        fi
+    fi
+    ;;
+*)
+    # verify the requested state tracker exist
+    state_trackers=""
+    _state_trackers=`IFS=', '; echo $with_state_trackers`
+    for tracker in $_state_trackers; do
+        case "$tracker" in
+        dri)
+            if test "x$mesa_driver" != xdri; then
+                AC_MSG_ERROR([cannot build dri state tracker without mesa driver set to dri])
+            fi
+            HAVE_ST_DRI="yes"
+            ;;
+        egl)
+            if test "x$enable_egl" != xyes; then
+                AC_MSG_ERROR([cannot build egl state tracker without EGL library])
+            fi
+            HAVE_ST_EGL="yes"
+            ;;
+        xorg)
+            PKG_CHECK_MODULES([XORG], [xorg-server >= 1.6.0])
+            PKG_CHECK_MODULES([LIBDRM_XORG], [libdrm >= $LIBDRM_XORG_REQUIRED])
+            PKG_CHECK_MODULES([LIBKMS_XORG], [libkms >= $LIBKMS_XORG_REQUIRED])
+            HAVE_ST_XORG="yes"
+            ;;
+        vega)
+            if test "x$enable_openvg" != xyes; then
+                AC_MSG_ERROR([cannot build vega state tracker without --enable-openvg])
+            fi
+            have_st_vega="yes"
+            ;;
+        esac
+
+	if test -n "$tracker"; then
+            test -d "$srcdir/src/gallium/state_trackers/$tracker" || \
+                AC_MSG_ERROR([state tracker '$tracker' doesn't exist])
+            if test -n "$state_trackers"; then
+                state_trackers="$state_trackers $tracker"
+            else
+                state_trackers="$tracker"
+            fi
+        fi
+    done
+    GALLIUM_STATE_TRACKERS_DIRS="$state_trackers"
+
+    # append --enable-openvg/--enable-gallium-egl to --with-state-trackers
+    if test "x$have_st_vega" != xyes -a "x$enable_openvg" = xyes; then
+        AC_MSG_ERROR([--with-state-trackers specified but vega is missing])
+    fi
+    if test "x$HAVE_ST_EGL" != xyes -a "x$enable_gallium_egl" = xyes; then
+        AC_MSG_ERROR([--with-state-trackers specified but egl is missing])
+    fi
+    ;;
+esac
+
+
+EGL_CLIENT_APIS=""
+VG_LIB_DEPS=""
+
+case "x$enable_opengl$enable_gles1$enable_gles2" in
+x*yes*)
+    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(GL_LIB)'
+    ;;
+esac
+if test "x$enable_openvg" = xyes; then
+    EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(VG_LIB)'
+    VG_LIB_DEPS="$VG_LIB_DEPS -lpthread"
+fi
+
+AC_SUBST([VG_LIB_DEPS])
+AC_SUBST([EGL_CLIENT_APIS])
+
+if test "x$HAVE_ST_EGL" = xyes; then
+	GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS egl"
+fi
+
+if test "x$HAVE_ST_XORG" = xyes; then
+    PKG_CHECK_MODULES(XEXT, [xextproto >= 7.0.99.1],
+        HAVE_XEXTPROTO_71="yes"; DEFINES="$DEFINES -DHAVE_XEXTPROTO_71",
+        HAVE_XEXTPROTO_71="no")
+fi
+
+AC_ARG_WITH([egl-platforms],
+    [AS_HELP_STRING([--with-egl-platforms@<:@=DIRS...@:>@],
+        [comma delimited native platforms libEGL supports, e.g.
+        "x11,drm" @<:@default=auto@:>@])],
+    [with_egl_platforms="$withval"],
+    [with_egl_platforms=yes])
+AC_ARG_WITH([egl-displays],
+    [AS_HELP_STRING([--with-egl-displays@<:@=DIRS...@:>@],
+        [DEPRECATED.  Use --with-egl-platforms instead])],
+    [with_egl_platforms="$withval"])
+
+EGL_PLATFORMS=""
+WAYLAND_EGL_LIB_DEPS=""
+
+case "$with_egl_platforms" in
+yes)
+    if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then
+        EGL_PLATFORMS="x11"
+        if test "$mesa_driver" = dri; then
+            EGL_PLATFORMS="$EGL_PLATFORMS drm"
+        fi
+    fi
+    ;;
+*)
+    if test "x$enable_egl" != xyes; then
+        AC_MSG_ERROR([cannot build egl state tracker without EGL library])
+    fi
+    # verify the requested driver directories exist
+    egl_platforms=`IFS=', '; echo $with_egl_platforms`
+    for plat in $egl_platforms; do
+        test -d "$srcdir/src/gallium/state_trackers/egl/$plat" || \
+            AC_MSG_ERROR([EGL platform '$plat' doesn't exist])
+        if test "$plat" = "fbdev"; then
+                GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS sw/fbdev"
+        fi
+	if test "$plat" = "wayland"; then
+		PKG_CHECK_MODULES([WAYLAND], [wayland-client wayland-server],, \
+				  [AC_MSG_ERROR([cannot find libwayland-client])])
+		WAYLAND_EGL_LIB_DEPS="$WAYLAND_LIBS $LIBDRM_LIBS"
+	fi
+    done
+    EGL_PLATFORMS="$egl_platforms"
+    ;;
+esac
+AC_SUBST([EGL_PLATFORMS])
+
+AC_SUBST([WAYLAND_EGL_LIB_DEPS])
+WAYLAND_EGL_PC_REQ_PRIV="wayland-client libdrm"
+WAYLAND_EGL_PC_LIB_PRIV=
+WAYLAND_EGL_PC_CFLAGS=
+
+AC_SUBST([WAYLAND_EGL_PC_REQ_PRIV])
+AC_SUBST([WAYLAND_EGL_PC_LIB_PRIV])
+AC_SUBST([WAYLAND_EGL_PC_CFLAGS])
+
+
+AC_ARG_WITH([egl-driver-dir],
+    [AS_HELP_STRING([--with-egl-driver-dir=DIR],
+                    [directory for EGL drivers [[default=${libdir}/egl]]])],
+    [EGL_DRIVER_INSTALL_DIR="$withval"],
+    [EGL_DRIVER_INSTALL_DIR='${libdir}/egl'])
+AC_SUBST([EGL_DRIVER_INSTALL_DIR])
+
+AC_ARG_WITH([xorg-driver-dir],
+    [AS_HELP_STRING([--with-xorg-driver-dir=DIR],
+                    [Default xorg driver directory[[default=${libdir}/xorg/modules/drivers]]])],
+    [XORG_DRIVER_INSTALL_DIR="$withval"],
+    [XORG_DRIVER_INSTALL_DIR="${libdir}/xorg/modules/drivers"])
+AC_SUBST([XORG_DRIVER_INSTALL_DIR])
+
+AC_ARG_WITH([max-width],
+    [AS_HELP_STRING([--with-max-width=N],
+                    [Maximum framebuffer width (4096)])],
+    [DEFINES="${DEFINES} -DMAX_WIDTH=${withval}";
+     AS_IF([test "${withval}" -gt "4096"],
+           [AC_MSG_WARN([Large framebuffer: see s_tritemp.h comments.])])]
+)
+AC_ARG_WITH([max-height],
+    [AS_HELP_STRING([--with-max-height=N],
+                    [Maximum framebuffer height (4096)])],
+    [DEFINES="${DEFINES} -DMAX_HEIGHT=${withval}";
+     AS_IF([test "${withval}" -gt "4096"],
+           [AC_MSG_WARN([Large framebuffer: see s_tritemp.h comments.])])]
+)
+
+dnl
+dnl Gallium LLVM
+dnl
+AC_ARG_ENABLE([gallium-llvm],
+    [AS_HELP_STRING([--enable-gallium-llvm],
+        [build gallium LLVM support @<:@default=disabled@:>@])],
+    [enable_gallium_llvm="$enableval"],
+    [enable_gallium_llvm=auto])
+if test "x$enable_gallium_llvm" = xyes; then
+    if test "x$LLVM_CONFIG" != xno; then
+	LLVM_VERSION=`$LLVM_CONFIG --version`
+	LLVM_CFLAGS=`$LLVM_CONFIG --cppflags`
+	LLVM_LIBS="`$LLVM_CONFIG --libs jit interpreter nativecodegen bitwriter` -lstdc++"
+
+	LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
+	GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS llvmpipe"
+	DEFINES="$DEFINES -DGALLIUM_LLVMPIPE -D__STDC_CONSTANT_MACROS"
+	MESA_LLVM=1
+    else
+	MESA_LLVM=0
+    fi
+else
+    MESA_LLVM=0
+fi
+
+dnl
+dnl Gallium helper functions
+dnl
+gallium_check_st() {
+    if test "x$HAVE_ST_DRI" = xyes || test "x$HAVE_ST_XORG" = xyes; then
+         GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS $1"
+    fi
+    if test "x$HAVE_ST_DRI" = xyes && test "x$2" != x; then
+         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $2"
+    fi
+    if test "x$HAVE_ST_XORG" = xyes && test "x$3" != x; then
+         GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS $3"
+    fi
+}
+
+
+dnl
+dnl Gallium SVGA configuration
+dnl
+AC_ARG_ENABLE([gallium-svga],
+    [AS_HELP_STRING([--enable-gallium-svga],
+        [build gallium SVGA @<:@default=disabled@:>@])],
+    [enable_gallium_svga="$enableval"],
+    [enable_gallium_svga=auto])
+if test "x$enable_gallium_svga" = xyes; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
+    gallium_check_st "svga/drm" "dri-vmwgfx" "xorg-vmwgfx"
+elif test "x$enable_gallium_svga" = xauto; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS svga"
+fi
+
+dnl
+dnl Gallium i915 configuration
+dnl
+AC_ARG_ENABLE([gallium-i915],
+    [AS_HELP_STRING([--enable-gallium-i915],
+        [build gallium i915 @<:@default=disabled@:>@])],
+    [enable_gallium_i915="$enableval"],
+    [enable_gallium_i915=auto])
+if test "x$enable_gallium_i915" = xyes; then
+    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915"
+    gallium_check_st "i915/drm" "dri-i915" "xorg-i915"
+elif test "x$enable_gallium_i915" = xauto; then
+    GALLIUM_WINSYS_DIRS="$GALLIUM_WINSYS_DIRS i915/sw"
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i915"
+fi
+
+dnl
+dnl Gallium i965 configuration
+dnl
+AC_ARG_ENABLE([gallium-i965],
+    [AS_HELP_STRING([--enable-gallium-i965],
+        [build gallium i965 @<:@default=disabled@:>@])],
+    [enable_gallium_i965="$enableval"],
+    [enable_gallium_i965=auto])
+if test "x$enable_gallium_i965" = xyes; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i965"
+    gallium_check_st "i965/drm" "dri-i965" "xorg-i965"
+elif test "x$enable_gallium_i965" = xauto; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS i965"
+fi
+
+dnl
+dnl Gallium Radeon r300g configuration
+dnl
+AC_ARG_ENABLE([gallium-radeon],
+    [AS_HELP_STRING([--enable-gallium-radeon],
+        [build gallium radeon @<:@default=disabled@:>@])],
+    [enable_gallium_radeon="$enableval"],
+    [enable_gallium_radeon=auto])
+if test "x$enable_gallium_radeon" = xauto; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
+    gallium_check_st "radeon/drm" "dri-r300"
+fi
+if test "x$enable_gallium_radeon" = xyes; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300"
+    gallium_check_st "radeon/drm" "dri-r300" "xorg-radeon"
+fi
+
+dnl
+dnl Gallium Radeon r600g configuration
+dnl
+AC_ARG_ENABLE([gallium-r600],
+    [AS_HELP_STRING([--enable-gallium-r600],
+        [build gallium radeon @<:@default=disabled@:>@])],
+    [enable_gallium_r600="$enableval"],
+    [enable_gallium_r600=auto])
+if test "x$enable_gallium_r600" = xyes; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r600"
+    gallium_check_st "r600/drm" "dri-r600"
+fi
+
+dnl
+dnl Gallium Nouveau configuration
+dnl
+AC_ARG_ENABLE([gallium-nouveau],
+    [AS_HELP_STRING([--enable-gallium-nouveau],
+        [build gallium nouveau @<:@default=disabled@:>@])],
+    [enable_gallium_nouveau="$enableval"],
+    [enable_gallium_nouveau=no])
+if test "x$enable_gallium_nouveau" = xyes; then
+    GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS nouveau nvfx nv50 nvc0"
+    gallium_check_st "nouveau/drm" "dri-nouveau" "xorg-nouveau"
+fi
+
+dnl
+dnl Gallium swrast configuration
+dnl
+AC_ARG_ENABLE([gallium-swrast],
+    [AS_HELP_STRING([--enable-gallium-swrast],
+        [build gallium swrast @<:@default=auto@:>@])],
+    [enable_gallium_swrast="$enableval"],
+    [enable_gallium_swrast=auto])
+if test "x$enable_gallium_swrast" = xyes || test "x$enable_gallium_swrast" = xauto; then
+    if test "x$HAVE_ST_DRI" = xyes; then
+        GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS dri-swrast"
+    fi
+fi
+
+dnl prepend CORE_DIRS to SRC_DIRS
+SRC_DIRS="$CORE_DIRS $SRC_DIRS"
+
+dnl Restore LDFLAGS and CPPFLAGS
+LDFLAGS="$_SAVE_LDFLAGS"
+CPPFLAGS="$_SAVE_CPPFLAGS"
+
+dnl Substitute the config
+AC_CONFIG_FILES([configs/autoconf])
+
+dnl Replace the configs/current symlink
+AC_CONFIG_COMMANDS([configs],[
+if test -f configs/current || test -L configs/current; then
+    rm -f configs/current
+fi
+ln -s autoconf configs/current
+])
+
+AC_OUTPUT
+
+dnl
+dnl Output some configuration info for the user
+dnl
+echo ""
+echo "        prefix:          $prefix"
+echo "        exec_prefix:     $exec_prefix"
+echo "        libdir:          $libdir"
+echo "        includedir:      $includedir"
+
+dnl API info
+echo ""
+echo "        OpenGL:          $enable_opengl (ES1: $enable_gles1 ES2: $enable_gles2)"
+echo "        OpenVG:          $enable_openvg"
+
+dnl Driver info
+echo ""
+echo "        Driver:          $mesa_driver"
+if test "$mesa_driver" != no; then
+    if echo "$DRIVER_DIRS" | grep 'osmesa' >/dev/null 2>&1; then
+        echo "        OSMesa:          lib$OSMESA_LIB"
+    else
+        echo "        OSMesa:          no"
+    fi
+    if test "$mesa_driver" = dri; then
+        # cleanup the drivers var
+        dri_dirs=`echo $DRI_DIRS | $SED 's/^ *//;s/  */ /;s/ *$//'`
+        if test "x$DRI_DIRS" = x; then
+            echo "        DRI drivers:     no"
+        else
+            echo "        DRI drivers:     $dri_dirs"
+        fi
+        echo "        DRI driver dir:  $DRI_DRIVER_INSTALL_DIR"
+        echo "        Use XCB:         $enable_xcb"
+        echo "        Shared dricore:  $enable_dricore"
+    fi
+fi
+echo ""
+echo "        GLU:             $enable_glu"
+echo "        GLw:             $enable_glw (Motif: $enable_motif)"
+echo "        glut:            $enable_glut"
+
+dnl EGL
+echo ""
+echo "        EGL:             $enable_egl"
+if test "$enable_egl" = yes; then
+    echo "        EGL platforms:   $EGL_PLATFORMS"
+
+    egl_drivers=""
+    for d in $EGL_DRIVERS_DIRS; do
+        egl_drivers="$egl_drivers builtin:egl_$d"
+    done
+
+    if test "$enable_gallium" = yes -a "$HAVE_ST_EGL" = yes; then
+        echo "        EGL drivers:    ${egl_drivers} egl_gallium"
+        echo "        EGL Gallium STs:$EGL_CLIENT_APIS"
+    else
+        echo "        EGL drivers:    $egl_drivers"
+    fi
+fi
+
+echo ""
+if test "x$MESA_LLVM" = x1; then
+    echo "        llvm:            yes"
+    echo "        llvm-config:     $LLVM_CONFIG"
+    echo "        llvm-version:    $LLVM_VERSION"
+else
+    echo "        llvm:            no"
+fi
+
+echo ""
+if echo "$SRC_DIRS" | grep 'gallium' >/dev/null 2>&1; then
+    echo "        Gallium:         yes"
+    echo "        Gallium dirs:    $GALLIUM_DIRS"
+    echo "        Target dirs:     $GALLIUM_TARGET_DIRS"
+    echo "        Winsys dirs:     $GALLIUM_WINSYS_DIRS"
+    echo "        Driver dirs:     $GALLIUM_DRIVERS_DIRS"
+    echo "        Trackers dirs:   $GALLIUM_STATE_TRACKERS_DIRS"
+else
+    echo "        Gallium:         no"
+fi
+
+dnl Libraries
+echo ""
+echo "        Shared libs:     $enable_shared"
+echo "        Static libs:     $enable_static"
+
+dnl Compiler options
+# cleanup the CFLAGS/CXXFLAGS/DEFINES vars
+cflags=`echo $CFLAGS $OPT_FLAGS $PIC_FLAGS $ARCH_FLAGS | \
+    $SED 's/^ *//;s/  */ /;s/ *$//'`
+cxxflags=`echo $CXXFLAGS $OPT_FLAGS $PIC_FLAGS $ARCH_FLAGS | \
+    $SED 's/^ *//;s/  */ /;s/ *$//'`
+defines=`echo $DEFINES $ASM_FLAGS | $SED 's/^ *//;s/  */ /;s/ *$//'`
+echo ""
+echo "        CFLAGS:          $cflags"
+echo "        CXXFLAGS:        $cxxflags"
+echo "        Macros:          $defines"
+echo ""
+echo "        PYTHON2:         $PYTHON2"
+
+echo ""
+echo "        Run '${MAKE-make}' to build Mesa"
+echo ""
diff --git a/mesalib/scons/gallium.py b/mesalib/scons/gallium.py
index 34523d589..a61a9af8c 100644
--- a/mesalib/scons/gallium.py
+++ b/mesalib/scons/gallium.py
@@ -1,625 +1,624 @@
-"""gallium
-
-Frontend-tool for Gallium3D architecture.
-
-"""
-
-#
-# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
-# 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 TUNGSTEN GRAPHICS 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.
-#
-
-
-import distutils.version
-import os
-import os.path
-import re
-import subprocess
-import platform as _platform
-
-import SCons.Action
-import SCons.Builder
-import SCons.Scanner
-
-
-def symlink(target, source, env):
-    target = str(target[0])
-    source = str(source[0])
-    if os.path.islink(target) or os.path.exists(target):
-        os.remove(target)
-    os.symlink(os.path.basename(source), target)
-
-def install(env, source, subdir):
-    target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir)
-    return env.Install(target_dir, source)
-
-def install_program(env, source):
-    return install(env, source, 'bin')
-
-def install_shared_library(env, sources, version = ()):
-    targets = []
-    install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'])
-    version = tuple(map(str, version))
-    if env['SHLIBSUFFIX'] == '.dll':
-        dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
-        targets += install(env, dlls, 'bin')
-        libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
-        targets += install(env, libs, 'lib')
-    else:
-        for source in sources:
-            target_dir =  os.path.join(install_dir, 'lib')
-            target_name = '.'.join((str(source),) + version)
-            last = env.InstallAs(os.path.join(target_dir, target_name), source)
-            targets += last
-            while len(version):
-                version = version[:-1]
-                target_name = '.'.join((str(source),) + version)
-                action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
-                last = env.Command(os.path.join(target_dir, target_name), last, action) 
-                targets += last
-    return targets
-
-
-def createInstallMethods(env):
-    env.AddMethod(install_program, 'InstallProgram')
-    env.AddMethod(install_shared_library, 'InstallSharedLibrary')
-
-
-def num_jobs():
-    try:
-        return int(os.environ['NUMBER_OF_PROCESSORS'])
-    except (ValueError, KeyError):
-        pass
-
-    try:
-        return os.sysconf('SC_NPROCESSORS_ONLN')
-    except (ValueError, OSError, AttributeError):
-        pass
-
-    try:
-        return int(os.popen2("sysctl -n hw.ncpu")[1].read())
-    except ValueError:
-        pass
-
-    return 1
-
-
-def pkg_config_modules(env, name, modules):
-    '''Simple wrapper for pkg-config.'''
-
-    env[name] = False
-
-    if env['platform'] == 'windows':
-        return
-
-    if not env.Detect('pkg-config'):
-        return
-
-    if subprocess.call(["pkg-config", "--exists", ' '.join(modules)]) != 0:
-        return
-
-    # Put -I and -L flags directly into the environment, as these don't affect
-    # the compilation of targets that do not use them
-    try:
-        env.ParseConfig('pkg-config --cflags-only-I --libs-only-L ' + ' '.join(modules))
-    except OSError:
-        return
-
-    # Other flags may affect the compilation of unrelated targets, so store
-    # them with a prefix, (e.g., XXX_CFLAGS, XXX_LIBS, etc)
-    try:
-        flags = env.ParseFlags('!pkg-config --cflags-only-other --libs-only-l --libs-only-other ' + ' '.join(modules))
-    except OSError:
-        return
-    prefix = name.upper() + '_'
-    for flag_name, flag_value in flags.iteritems():
-        env[prefix + flag_name] = flag_value
-
-    env[name] = True
-
-
-
-def generate(env):
-    """Common environment generation code"""
-
-    # Tell tools which machine to compile for
-    env['TARGET_ARCH'] = env['machine']
-    env['MSVS_ARCH'] = env['machine']
-
-    # Toolchain
-    platform = env['platform']
-    if env['toolchain'] == 'default':
-        if platform == 'winddk':
-            env['toolchain'] = 'winddk'
-        elif platform == 'wince':
-            env['toolchain'] = 'wcesdk'
-    env.Tool(env['toolchain'])
-
-    # Allow override compiler and specify additional flags from environment
-    if os.environ.has_key('CC'):
-        env['CC'] = os.environ['CC']
-        # Update CCVERSION to match
-        pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
-                                     stdin = 'devnull',
-                                     stderr = 'devnull',
-                                     stdout = subprocess.PIPE)
-        if pipe.wait() == 0:
-            line = pipe.stdout.readline()
-            match = re.search(r'[0-9]+(\.[0-9]+)+', line)
-            if match:
-                env['CCVERSION'] = match.group(0)
-    if os.environ.has_key('CFLAGS'):
-        env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
-    if os.environ.has_key('CXX'):
-        env['CXX'] = os.environ['CXX']
-    if os.environ.has_key('CXXFLAGS'):
-        env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
-    if os.environ.has_key('LDFLAGS'):
-        env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
-
-    env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
-    env['msvc'] = env['CC'] == 'cl'
-
-    if env['msvc'] and env['toolchain'] == 'default' and env['machine'] == 'x86_64':
-        # MSVC x64 support is broken in earlier versions of scons
-        env.EnsurePythonVersion(2, 0)
-
-    # shortcuts
-    machine = env['machine']
-    platform = env['platform']
-    x86 = env['machine'] == 'x86'
-    ppc = env['machine'] == 'ppc'
-    gcc = env['gcc']
-    msvc = env['msvc']
-
-    # Determine whether we are cross compiling; in particular, whether we need
-    # to compile code generators with a different compiler as the target code.
-    host_platform = _platform.system().lower()
-    if host_platform.startswith('cygwin'):
-        host_platform = 'cygwin'
-    host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine()))
-    host_machine = {
-        'x86': 'x86',
-        'i386': 'x86',
-        'i486': 'x86',
-        'i586': 'x86',
-        'i686': 'x86',
-        'ppc' : 'ppc',
-        'AMD64': 'x86_64',
-        'x86_64': 'x86_64',
-    }.get(host_machine, 'generic')
-    env['crosscompile'] = platform != host_platform
-    if machine == 'x86_64' and host_machine != 'x86_64':
-        env['crosscompile'] = True
-    env['hostonly'] = False
-
-    # Backwards compatability with the debug= profile= options
-    if env['build'] == 'debug':
-        if not env['debug']:
-            print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
-            print
-            print ' scons build=release'
-            print
-            env['build'] = 'release'
-        if env['profile']:
-            print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
-            print
-            print ' scons build=profile'
-            print
-            env['build'] = 'profile'
-    if False:
-        # Enforce SConscripts to use the new build variable
-        env.popitem('debug')
-        env.popitem('profile')
-    else:
-        # Backwards portability with older sconscripts
-        if env['build'] in ('debug', 'checked'):
-            env['debug'] = True
-            env['profile'] = False
-        if env['build'] == 'profile':
-            env['debug'] = False
-            env['profile'] = True
-        if env['build'] == 'release':
-            env['debug'] = False
-            env['profile'] = False
-
-    # Put build output in a separate dir, which depends on the current
-    # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
-    build_topdir = 'build'
-    build_subdir = env['platform']
-    if env['machine'] != 'generic':
-        build_subdir += '-' + env['machine']
-    if env['build'] != 'release':
-        build_subdir += '-' +  env['build']
-    build_dir = os.path.join(build_topdir, build_subdir)
-    # Place the .sconsign file in the build dir too, to avoid issues with
-    # different scons versions building the same source file
-    env['build_dir'] = build_dir
-    env.SConsignFile(os.path.join(build_dir, '.sconsign'))
-    if 'SCONS_CACHE_DIR' in os.environ:
-        print 'scons: Using build cache in %s.' % (os.environ['SCONS_CACHE_DIR'],)
-        env.CacheDir(os.environ['SCONS_CACHE_DIR'])
-    env['CONFIGUREDIR'] = os.path.join(build_dir, 'conf')
-    env['CONFIGURELOG'] = os.path.join(os.path.abspath(build_dir), 'config.log')
-
-    # Parallel build
-    if env.GetOption('num_jobs') <= 1:
-        env.SetOption('num_jobs', num_jobs())
-
-    env.Decider('MD5-timestamp')
-    env.SetOption('max_drift', 60)
-
-    # C preprocessor options
-    cppdefines = []
-    if env['build'] in ('debug', 'checked'):
-        cppdefines += ['DEBUG']
-    else:
-        cppdefines += ['NDEBUG']
-    if env['build'] == 'profile':
-        cppdefines += ['PROFILE']
-    if platform == 'windows':
-        cppdefines += [
-            'WIN32',
-            '_WINDOWS',
-            #'_UNICODE',
-            #'UNICODE',
-            # http://msdn.microsoft.com/en-us/library/aa383745.aspx
-            ('_WIN32_WINNT', '0x0601'),
-            ('WINVER', '0x0601'),
-        ]
-        if msvc and env['toolchain'] != 'winddk':
-            cppdefines += [
-                'VC_EXTRALEAN',
-                '_USE_MATH_DEFINES',
-                '_CRT_SECURE_NO_WARNINGS',
-                '_CRT_SECURE_NO_DEPRECATE',
-                '_SCL_SECURE_NO_WARNINGS',
-                '_SCL_SECURE_NO_DEPRECATE',
-            ]
-        if env['build'] in ('debug', 'checked'):
-            cppdefines += ['_DEBUG']
-    if env['toolchain'] == 'winddk':
-        # Mimic WINDDK's builtin flags. See also:
-        # - WINDDK's bin/makefile.new i386mk.inc for more info.
-        # - buildchk_wxp_x86.log files, generated by the WINDDK's build
-        # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
-        if machine == 'x86':
-            cppdefines += ['_X86_', 'i386']
-        if machine == 'x86_64':
-            cppdefines += ['_AMD64_', 'AMD64']
-    if platform == 'winddk':
-        cppdefines += [
-            'STD_CALL',
-            ('CONDITION_HANDLING', '1'),
-            ('NT_INST', '0'),
-            ('WIN32', '100'),
-            ('_NT1X_', '100'),
-            ('WINNT', '1'),
-            ('_WIN32_WINNT', '0x0501'), # minimum required OS version
-            ('WINVER', '0x0501'),
-            ('_WIN32_IE', '0x0603'),
-            ('WIN32_LEAN_AND_MEAN', '1'),
-            ('DEVL', '1'),
-            ('__BUILDMACHINE__', 'WinDDK'),
-            ('FPO', '0'),
-        ]
-        if env['build'] in ('debug', 'checked'):
-            cppdefines += [('DBG', 1)]
-    if platform == 'wince':
-        cppdefines += [
-            '_CRT_SECURE_NO_DEPRECATE',
-            '_USE_32BIT_TIME_T',
-            'UNICODE',
-            '_UNICODE',
-            ('UNDER_CE', '600'),
-            ('_WIN32_WCE', '0x600'),
-            'WINCEOEM',
-            'WINCEINTERNAL',
-            'WIN32',
-            'STRICT',
-            'x86',
-            '_X86_',
-            'INTERNATIONAL',
-            ('INTLMSG_CODEPAGE', '1252'),
-        ]
-    if platform == 'windows':
-        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
-    if platform == 'winddk':
-        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
-    if platform == 'wince':
-        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE']
-        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
-    if platform == 'embedded':
-        cppdefines += ['PIPE_OS_EMBEDDED']
-    env.Append(CPPDEFINES = cppdefines)
-
-    # C compiler options
-    cflags = [] # C
-    cxxflags = [] # C++
-    ccflags = [] # C & C++
-    if gcc:
-        ccversion = env['CCVERSION']
-        if env['build'] == 'debug':
-            ccflags += ['-O0']
-        elif ccversion.startswith('4.2.'):
-            # gcc 4.2.x optimizer is broken
-            print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
-            ccflags += ['-O0']
-        else:
-            ccflags += ['-O3']
-        ccflags += ['-g3']
-        if env['build'] in ('checked', 'profile'):
-            # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
-            ccflags += [
-                '-fno-omit-frame-pointer',
-                '-fno-optimize-sibling-calls',
-            ]
-        if env['machine'] == 'x86':
-            ccflags += [
-                '-m32',
-                #'-march=pentium4',
-            ]
-            if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
-               and (platform != 'windows' or env['build'] == 'debug' or True):
-                # NOTE: We need to ensure stack is realigned given that we
-                # produce shared objects, and have no control over the stack
-                # alignment policy of the application. Therefore we need
-                # -mstackrealign ore -mincoming-stack-boundary=2.
-                #
-                # XXX: -O and -mstackrealign causes stack corruption on MinGW
-                #
-                # XXX: We could have SSE without -mstackrealign if we always used
-                # __attribute__((force_align_arg_pointer)), but that's not
-                # always the case.
-                ccflags += [
-                    '-mstackrealign', # ensure stack is aligned
-                    '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
-                    #'-mfpmath=sse',
-                ]
-            if platform in ['windows', 'darwin']:
-                # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
-                ccflags += ['-fno-common']
-        if env['machine'] == 'x86_64':
-            ccflags += ['-m64']
-            if platform == 'darwin':
-                ccflags += ['-fno-common']
-        # See also:
-        # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
-        ccflags += [
-            '-Wall',
-            '-Wno-long-long',
-            '-ffast-math',
-            '-fmessage-length=0', # be nice to Eclipse
-        ]
-        cflags += [
-            '-Wmissing-prototypes',
-            '-std=gnu99',
-        ]
-        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.0'):
-            ccflags += [
-                '-Wmissing-field-initializers',
-            ]
-        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
-            ccflags += [
-                '-Werror=pointer-arith',
-            ]
-            cflags += [
-                '-Werror=declaration-after-statement',
-            ]
-    if msvc:
-        # See also:
-        # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
-        # - cl /?
-        if env['build'] == 'debug':
-            ccflags += [
-              '/Od', # disable optimizations
-              '/Oi', # enable intrinsic functions
-              '/Oy-', # disable frame pointer omission
-            ]
-        else:
-            ccflags += [
-                '/O2', # optimize for speed
-            ]
-        if env['build'] == 'release':
-            ccflags += [
-                '/GL', # enable whole program optimization
-            ]
-        else:
-            ccflags += [
-                '/GL-', # disable whole program optimization
-            ]
-        ccflags += [
-            '/fp:fast', # fast floating point 
-            '/W3', # warning level
-            #'/Wp64', # enable 64 bit porting warnings
-        ]
-        if env['machine'] == 'x86':
-            ccflags += [
-                #'/arch:SSE2', # use the SSE2 instructions
-            ]
-        if platform == 'windows':
-            ccflags += [
-                # TODO
-            ]
-        if platform == 'winddk':
-            ccflags += [
-                '/Zl', # omit default library name in .OBJ
-                '/Zp8', # 8bytes struct member alignment
-                '/Gy', # separate functions for linker
-                '/Gm-', # disable minimal rebuild
-                '/WX', # treat warnings as errors
-                '/Gz', # __stdcall Calling convention
-                '/GX-', # disable C++ EH
-                '/GR-', # disable C++ RTTI
-                '/GF', # enable read-only string pooling
-                '/G6', # optimize for PPro, P-II, P-III
-                '/Ze', # enable extensions
-                '/Gi-', # disable incremental compilation
-                '/QIfdiv-', # disable Pentium FDIV fix
-                '/hotpatch', # prepares an image for hotpatching.
-                #'/Z7', #enable old-style debug info
-            ]
-        if platform == 'wince':
-            # See also C:\WINCE600\public\common\oak\misc\makefile.def
-            ccflags += [
-                '/Zl', # omit default library name in .OBJ
-                '/GF', # enable read-only string pooling
-                '/GR-', # disable C++ RTTI
-                '/GS', # enable security checks
-                # Allow disabling language conformance to maintain backward compat
-                #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
-                #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
-                #'/wd4867',
-                #'/wd4430',
-                #'/MT',
-                #'/U_MT',
-            ]
-        # Automatic pdb generation
-        # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
-        env.EnsureSConsVersion(0, 98, 0)
-        env['PDB'] = '${TARGET.base}.pdb'
-    env.Append(CCFLAGS = ccflags)
-    env.Append(CFLAGS = cflags)
-    env.Append(CXXFLAGS = cxxflags)
-
-    if env['platform'] == 'windows' and msvc:
-        # Choose the appropriate MSVC CRT
-        # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
-        if env['build'] in ('debug', 'checked'):
-            env.Append(CCFLAGS = ['/MTd'])
-            env.Append(SHCCFLAGS = ['/LDd'])
-        else:
-            env.Append(CCFLAGS = ['/MT'])
-            env.Append(SHCCFLAGS = ['/LD'])
-    
-    # Assembler options
-    if gcc:
-        if env['machine'] == 'x86':
-            env.Append(ASFLAGS = ['-m32'])
-        if env['machine'] == 'x86_64':
-            env.Append(ASFLAGS = ['-m64'])
-
-    # Linker options
-    linkflags = []
-    shlinkflags = []
-    if gcc:
-        if env['machine'] == 'x86':
-            linkflags += ['-m32']
-        if env['machine'] == 'x86_64':
-            linkflags += ['-m64']
-        if env['platform'] not in ('darwin'):
-            shlinkflags += [
-                '-Wl,-Bsymbolic',
-            ]
-        # Handle circular dependencies in the libraries
-        if env['platform'] in ('darwin'):
-            pass
-        else:
-            env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
-    if msvc:
-        if env['build'] == 'release':
-            # enable Link-time Code Generation
-            linkflags += ['/LTCG']
-            env.Append(ARFLAGS = ['/LTCG'])
-    if platform == 'windows' and msvc:
-        # See also:
-        # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
-        linkflags += [
-            '/fixed:no',
-            '/incremental:no',
-        ]
-    if platform == 'winddk':
-        linkflags += [
-            '/merge:_PAGE=PAGE',
-            '/merge:_TEXT=.text',
-            '/section:INIT,d',
-            '/opt:ref',
-            '/opt:icf',
-            '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
-            '/incremental:no',
-            '/fullbuild',
-            '/release',
-            '/nodefaultlib',
-            '/wx',
-            '/debug',
-            '/debugtype:cv',
-            '/version:5.1',
-            '/osversion:5.1',
-            '/functionpadmin:5',
-            '/safeseh',
-            '/pdbcompress',
-            '/stack:0x40000,0x1000',
-            '/driver',
-            '/align:0x80',
-            '/subsystem:native,5.01',
-            '/base:0x10000',
-
-            '/entry:DrvEnableDriver',
-        ]
-        if env['build'] != 'release':
-            linkflags += [
-                '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
-            ]
-    if platform == 'wince':
-        linkflags += [
-            '/nodefaultlib',
-            #'/incremental:no',
-            #'/fullbuild',
-            '/entry:_DllMainCRTStartup',
-        ]
-    env.Append(LINKFLAGS = linkflags)
-    env.Append(SHLINKFLAGS = shlinkflags)
-
-    # We have C++ in several libraries, so always link with the C++ compiler
-    if env['gcc']:
-        env['LINK'] = env['CXX']
-
-    # Default libs
-    env.Append(LIBS = [])
-
-    # Load tools
-    env.Tool('lex')
-    env.Tool('yacc')
-    if env['llvm']:
-        env.Tool('llvm')
-        env.Tool('udis86')
-    
-    pkg_config_modules(env, 'x11', ['x11', 'xext'])
-    pkg_config_modules(env, 'drm', ['libdrm'])
-    pkg_config_modules(env, 'drm_intel', ['libdrm_intel'])
-    pkg_config_modules(env, 'drm_radeon', ['libdrm_radeon'])
-    pkg_config_modules(env, 'xorg', ['xorg-server'])
-    pkg_config_modules(env, 'kms', ['libkms'])
-
-    env['dri'] = env['x11'] and env['drm']
-
-    # Custom builders and methods
-    env.Tool('custom')
-    createInstallMethods(env)
-
-    # for debugging
-    #print env.Dump()
-
-
-def exists(env):
-    return 1
+"""gallium
+
+Frontend-tool for Gallium3D architecture.
+
+"""
+
+#
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# 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 TUNGSTEN GRAPHICS 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.
+#
+
+
+import distutils.version
+import os
+import os.path
+import re
+import subprocess
+import platform as _platform
+
+import SCons.Action
+import SCons.Builder
+import SCons.Scanner
+
+
+def symlink(target, source, env):
+    target = str(target[0])
+    source = str(source[0])
+    if os.path.islink(target) or os.path.exists(target):
+        os.remove(target)
+    os.symlink(os.path.basename(source), target)
+
+def install(env, source, subdir):
+    target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir)
+    return env.Install(target_dir, source)
+
+def install_program(env, source):
+    return install(env, source, 'bin')
+
+def install_shared_library(env, sources, version = ()):
+    targets = []
+    install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'])
+    version = tuple(map(str, version))
+    if env['SHLIBSUFFIX'] == '.dll':
+        dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+        targets += install(env, dlls, 'bin')
+        libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
+        targets += install(env, libs, 'lib')
+    else:
+        for source in sources:
+            target_dir =  os.path.join(install_dir, 'lib')
+            target_name = '.'.join((str(source),) + version)
+            last = env.InstallAs(os.path.join(target_dir, target_name), source)
+            targets += last
+            while len(version):
+                version = version[:-1]
+                target_name = '.'.join((str(source),) + version)
+                action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE")
+                last = env.Command(os.path.join(target_dir, target_name), last, action) 
+                targets += last
+    return targets
+
+
+def createInstallMethods(env):
+    env.AddMethod(install_program, 'InstallProgram')
+    env.AddMethod(install_shared_library, 'InstallSharedLibrary')
+
+
+def num_jobs():
+    try:
+        return int(os.environ['NUMBER_OF_PROCESSORS'])
+    except (ValueError, KeyError):
+        pass
+
+    try:
+        return os.sysconf('SC_NPROCESSORS_ONLN')
+    except (ValueError, OSError, AttributeError):
+        pass
+
+    try:
+        return int(os.popen2("sysctl -n hw.ncpu")[1].read())
+    except ValueError:
+        pass
+
+    return 1
+
+
+def pkg_config_modules(env, name, modules):
+    '''Simple wrapper for pkg-config.'''
+
+    env[name] = False
+
+    if env['platform'] == 'windows':
+        return
+
+    if not env.Detect('pkg-config'):
+        return
+
+    if subprocess.call(["pkg-config", "--exists", ' '.join(modules)]) != 0:
+        return
+
+    # Put -I and -L flags directly into the environment, as these don't affect
+    # the compilation of targets that do not use them
+    try:
+        env.ParseConfig('pkg-config --cflags-only-I --libs-only-L ' + ' '.join(modules))
+    except OSError:
+        return
+
+    # Other flags may affect the compilation of unrelated targets, so store
+    # them with a prefix, (e.g., XXX_CFLAGS, XXX_LIBS, etc)
+    try:
+        flags = env.ParseFlags('!pkg-config --cflags-only-other --libs-only-l --libs-only-other ' + ' '.join(modules))
+    except OSError:
+        return
+    prefix = name.upper() + '_'
+    for flag_name, flag_value in flags.iteritems():
+        env[prefix + flag_name] = flag_value
+
+    env[name] = True
+
+
+
+def generate(env):
+    """Common environment generation code"""
+
+    # Tell tools which machine to compile for
+    env['TARGET_ARCH'] = env['machine']
+    env['MSVS_ARCH'] = env['machine']
+
+    # Toolchain
+    platform = env['platform']
+    if env['toolchain'] == 'default':
+        if platform == 'winddk':
+            env['toolchain'] = 'winddk'
+        elif platform == 'wince':
+            env['toolchain'] = 'wcesdk'
+    env.Tool(env['toolchain'])
+
+    # Allow override compiler and specify additional flags from environment
+    if os.environ.has_key('CC'):
+        env['CC'] = os.environ['CC']
+        # Update CCVERSION to match
+        pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
+                                     stdin = 'devnull',
+                                     stderr = 'devnull',
+                                     stdout = subprocess.PIPE)
+        if pipe.wait() == 0:
+            line = pipe.stdout.readline()
+            match = re.search(r'[0-9]+(\.[0-9]+)+', line)
+            if match:
+                env['CCVERSION'] = match.group(0)
+    if os.environ.has_key('CFLAGS'):
+        env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
+    if os.environ.has_key('CXX'):
+        env['CXX'] = os.environ['CXX']
+    if os.environ.has_key('CXXFLAGS'):
+        env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
+    if os.environ.has_key('LDFLAGS'):
+        env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
+
+    env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
+    env['msvc'] = env['CC'] == 'cl'
+
+    if env['msvc'] and env['toolchain'] == 'default' and env['machine'] == 'x86_64':
+        # MSVC x64 support is broken in earlier versions of scons
+        env.EnsurePythonVersion(2, 0)
+
+    # shortcuts
+    machine = env['machine']
+    platform = env['platform']
+    x86 = env['machine'] == 'x86'
+    ppc = env['machine'] == 'ppc'
+    gcc = env['gcc']
+    msvc = env['msvc']
+
+    # Determine whether we are cross compiling; in particular, whether we need
+    # to compile code generators with a different compiler as the target code.
+    host_platform = _platform.system().lower()
+    if host_platform.startswith('cygwin'):
+        host_platform = 'cygwin'
+    host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine()))
+    host_machine = {
+        'x86': 'x86',
+        'i386': 'x86',
+        'i486': 'x86',
+        'i586': 'x86',
+        'i686': 'x86',
+        'ppc' : 'ppc',
+        'AMD64': 'x86_64',
+        'x86_64': 'x86_64',
+    }.get(host_machine, 'generic')
+    env['crosscompile'] = platform != host_platform
+    if machine == 'x86_64' and host_machine != 'x86_64':
+        env['crosscompile'] = True
+    env['hostonly'] = False
+
+    # Backwards compatability with the debug= profile= options
+    if env['build'] == 'debug':
+        if not env['debug']:
+            print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
+            print
+            print ' scons build=release'
+            print
+            env['build'] = 'release'
+        if env['profile']:
+            print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
+            print
+            print ' scons build=profile'
+            print
+            env['build'] = 'profile'
+    if False:
+        # Enforce SConscripts to use the new build variable
+        env.popitem('debug')
+        env.popitem('profile')
+    else:
+        # Backwards portability with older sconscripts
+        if env['build'] in ('debug', 'checked'):
+            env['debug'] = True
+            env['profile'] = False
+        if env['build'] == 'profile':
+            env['debug'] = False
+            env['profile'] = True
+        if env['build'] == 'release':
+            env['debug'] = False
+            env['profile'] = False
+
+    # Put build output in a separate dir, which depends on the current
+    # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample
+    build_topdir = 'build'
+    build_subdir = env['platform']
+    if env['machine'] != 'generic':
+        build_subdir += '-' + env['machine']
+    if env['build'] != 'release':
+        build_subdir += '-' +  env['build']
+    build_dir = os.path.join(build_topdir, build_subdir)
+    # Place the .sconsign file in the build dir too, to avoid issues with
+    # different scons versions building the same source file
+    env['build_dir'] = build_dir
+    env.SConsignFile(os.path.join(build_dir, '.sconsign'))
+    if 'SCONS_CACHE_DIR' in os.environ:
+        print 'scons: Using build cache in %s.' % (os.environ['SCONS_CACHE_DIR'],)
+        env.CacheDir(os.environ['SCONS_CACHE_DIR'])
+    env['CONFIGUREDIR'] = os.path.join(build_dir, 'conf')
+    env['CONFIGURELOG'] = os.path.join(os.path.abspath(build_dir), 'config.log')
+
+    # Parallel build
+    if env.GetOption('num_jobs') <= 1:
+        env.SetOption('num_jobs', num_jobs())
+
+    env.Decider('MD5-timestamp')
+    env.SetOption('max_drift', 60)
+
+    # C preprocessor options
+    cppdefines = []
+    if env['build'] in ('debug', 'checked'):
+        cppdefines += ['DEBUG']
+    else:
+        cppdefines += ['NDEBUG']
+    if env['build'] == 'profile':
+        cppdefines += ['PROFILE']
+    if platform == 'windows':
+        cppdefines += [
+            'WIN32',
+            '_WINDOWS',
+            #'_UNICODE',
+            #'UNICODE',
+            # http://msdn.microsoft.com/en-us/library/aa383745.aspx
+            ('_WIN32_WINNT', '0x0601'),
+            ('WINVER', '0x0601'),
+        ]
+        if msvc and env['toolchain'] != 'winddk':
+            cppdefines += [
+                'VC_EXTRALEAN',
+                '_USE_MATH_DEFINES',
+                '_CRT_SECURE_NO_WARNINGS',
+                '_CRT_SECURE_NO_DEPRECATE',
+                '_SCL_SECURE_NO_WARNINGS',
+                '_SCL_SECURE_NO_DEPRECATE',
+            ]
+        if env['build'] in ('debug', 'checked'):
+            cppdefines += ['_DEBUG']
+    if env['toolchain'] == 'winddk':
+        # Mimic WINDDK's builtin flags. See also:
+        # - WINDDK's bin/makefile.new i386mk.inc for more info.
+        # - buildchk_wxp_x86.log files, generated by the WINDDK's build
+        # - http://alter.org.ua/docs/nt_kernel/vc8_proj/
+        if machine == 'x86':
+            cppdefines += ['_X86_', 'i386']
+        if machine == 'x86_64':
+            cppdefines += ['_AMD64_', 'AMD64']
+    if platform == 'winddk':
+        cppdefines += [
+            'STD_CALL',
+            ('CONDITION_HANDLING', '1'),
+            ('NT_INST', '0'),
+            ('WIN32', '100'),
+            ('_NT1X_', '100'),
+            ('WINNT', '1'),
+            ('_WIN32_WINNT', '0x0501'), # minimum required OS version
+            ('WINVER', '0x0501'),
+            ('_WIN32_IE', '0x0603'),
+            ('WIN32_LEAN_AND_MEAN', '1'),
+            ('DEVL', '1'),
+            ('__BUILDMACHINE__', 'WinDDK'),
+            ('FPO', '0'),
+        ]
+        if env['build'] in ('debug', 'checked'):
+            cppdefines += [('DBG', 1)]
+    if platform == 'wince':
+        cppdefines += [
+            '_CRT_SECURE_NO_DEPRECATE',
+            '_USE_32BIT_TIME_T',
+            'UNICODE',
+            '_UNICODE',
+            ('UNDER_CE', '600'),
+            ('_WIN32_WCE', '0x600'),
+            'WINCEOEM',
+            'WINCEINTERNAL',
+            'WIN32',
+            'STRICT',
+            'x86',
+            '_X86_',
+            'INTERNATIONAL',
+            ('INTLMSG_CODEPAGE', '1252'),
+        ]
+    if platform == 'windows':
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_USER']
+    if platform == 'winddk':
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_DISPLAY']
+    if platform == 'wince':
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE']
+        cppdefines += ['PIPE_SUBSYSTEM_WINDOWS_CE_OGL']
+    if platform == 'embedded':
+        cppdefines += ['PIPE_OS_EMBEDDED']
+    env.Append(CPPDEFINES = cppdefines)
+
+    # C compiler options
+    cflags = [] # C
+    cxxflags = [] # C++
+    ccflags = [] # C & C++
+    if gcc:
+        ccversion = env['CCVERSION']
+        if env['build'] == 'debug':
+            ccflags += ['-O0']
+        elif ccversion.startswith('4.2.'):
+            # gcc 4.2.x optimizer is broken
+            print "warning: gcc 4.2.x optimizer is broken -- disabling optimizations"
+            ccflags += ['-O0']
+        else:
+            ccflags += ['-O3']
+        ccflags += ['-g3']
+        if env['build'] in ('checked', 'profile'):
+            # See http://code.google.com/p/jrfonseca/wiki/Gprof2Dot#Which_options_should_I_pass_to_gcc_when_compiling_for_profiling?
+            ccflags += [
+                '-fno-omit-frame-pointer',
+                '-fno-optimize-sibling-calls',
+            ]
+        if env['machine'] == 'x86':
+            ccflags += [
+                '-m32',
+                #'-march=pentium4',
+            ]
+            if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
+               and (platform != 'windows' or env['build'] == 'debug' or True):
+                # NOTE: We need to ensure stack is realigned given that we
+                # produce shared objects, and have no control over the stack
+                # alignment policy of the application. Therefore we need
+                # -mstackrealign ore -mincoming-stack-boundary=2.
+                #
+                # XXX: -O and -mstackrealign causes stack corruption on MinGW
+                #
+                # XXX: We could have SSE without -mstackrealign if we always used
+                # __attribute__((force_align_arg_pointer)), but that's not
+                # always the case.
+                ccflags += [
+                    '-mstackrealign', # ensure stack is aligned
+                    '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics
+                    #'-mfpmath=sse',
+                ]
+            if platform in ['windows', 'darwin']:
+                # Workaround http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37216
+                ccflags += ['-fno-common']
+        if env['machine'] == 'x86_64':
+            ccflags += ['-m64']
+            if platform == 'darwin':
+                ccflags += ['-fno-common']
+        # See also:
+        # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
+        ccflags += [
+            '-Wall',
+            '-Wno-long-long',
+            '-ffast-math',
+            '-fmessage-length=0', # be nice to Eclipse
+        ]
+        cflags += [
+            '-Wmissing-prototypes',
+            '-std=gnu99',
+        ]
+        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.0'):
+            ccflags += [
+                '-Wmissing-field-initializers',
+            ]
+        if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
+            ccflags += [
+                '-Werror=pointer-arith',
+            ]
+            cflags += [
+                '-Werror=declaration-after-statement',
+            ]
+    if msvc:
+        # See also:
+        # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx
+        # - cl /?
+        if env['build'] == 'debug':
+            ccflags += [
+              '/Od', # disable optimizations
+              '/Oi', # enable intrinsic functions
+              '/Oy-', # disable frame pointer omission
+            ]
+        else:
+            ccflags += [
+                '/O2', # optimize for speed
+            ]
+        if env['build'] == 'release':
+            ccflags += [
+                '/GL', # enable whole program optimization
+            ]
+        else:
+            ccflags += [
+                '/GL-', # disable whole program optimization
+            ]
+        ccflags += [
+            '/fp:fast', # fast floating point 
+            '/W3', # warning level
+            #'/Wp64', # enable 64 bit porting warnings
+        ]
+        if env['machine'] == 'x86':
+            ccflags += [
+                #'/arch:SSE2', # use the SSE2 instructions
+            ]
+        if platform == 'windows':
+            ccflags += [
+                # TODO
+            ]
+        if platform == 'winddk':
+            ccflags += [
+                '/Zl', # omit default library name in .OBJ
+                '/Zp8', # 8bytes struct member alignment
+                '/Gy', # separate functions for linker
+                '/Gm-', # disable minimal rebuild
+                '/WX', # treat warnings as errors
+                '/Gz', # __stdcall Calling convention
+                '/GX-', # disable C++ EH
+                '/GR-', # disable C++ RTTI
+                '/GF', # enable read-only string pooling
+                '/G6', # optimize for PPro, P-II, P-III
+                '/Ze', # enable extensions
+                '/Gi-', # disable incremental compilation
+                '/QIfdiv-', # disable Pentium FDIV fix
+                '/hotpatch', # prepares an image for hotpatching.
+                #'/Z7', #enable old-style debug info
+            ]
+        if platform == 'wince':
+            # See also C:\WINCE600\public\common\oak\misc\makefile.def
+            ccflags += [
+                '/Zl', # omit default library name in .OBJ
+                '/GF', # enable read-only string pooling
+                '/GR-', # disable C++ RTTI
+                '/GS', # enable security checks
+                # Allow disabling language conformance to maintain backward compat
+                #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef
+                #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules
+                #'/wd4867',
+                #'/wd4430',
+                #'/MT',
+                #'/U_MT',
+            ]
+        # Automatic pdb generation
+        # See http://scons.tigris.org/issues/show_bug.cgi?id=1656
+        env.EnsureSConsVersion(0, 98, 0)
+        env['PDB'] = '${TARGET.base}.pdb'
+    env.Append(CCFLAGS = ccflags)
+    env.Append(CFLAGS = cflags)
+    env.Append(CXXFLAGS = cxxflags)
+
+    if env['platform'] == 'windows' and msvc:
+        # Choose the appropriate MSVC CRT
+        # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx
+        if env['build'] in ('debug', 'checked'):
+            env.Append(CCFLAGS = ['/MTd'])
+            env.Append(SHCCFLAGS = ['/LDd'])
+        else:
+            env.Append(CCFLAGS = ['/MT'])
+            env.Append(SHCCFLAGS = ['/LD'])
+    
+    # Assembler options
+    if gcc:
+        if env['machine'] == 'x86':
+            env.Append(ASFLAGS = ['-m32'])
+        if env['machine'] == 'x86_64':
+            env.Append(ASFLAGS = ['-m64'])
+
+    # Linker options
+    linkflags = []
+    shlinkflags = []
+    if gcc:
+        if env['machine'] == 'x86':
+            linkflags += ['-m32']
+        if env['machine'] == 'x86_64':
+            linkflags += ['-m64']
+        if env['platform'] not in ('darwin'):
+            shlinkflags += [
+                '-Wl,-Bsymbolic',
+            ]
+        # Handle circular dependencies in the libraries
+        if env['platform'] in ('darwin'):
+            pass
+        else:
+            env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
+    if msvc:
+        if env['build'] == 'release':
+            # enable Link-time Code Generation
+            linkflags += ['/LTCG']
+            env.Append(ARFLAGS = ['/LTCG'])
+    if platform == 'windows' and msvc:
+        # See also:
+        # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx
+        linkflags += [
+            '/fixed:no',
+            '/incremental:no',
+        ]
+    if platform == 'winddk':
+        linkflags += [
+            '/merge:_PAGE=PAGE',
+            '/merge:_TEXT=.text',
+            '/section:INIT,d',
+            '/opt:ref',
+            '/opt:icf',
+            '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221',
+            '/incremental:no',
+            '/fullbuild',
+            '/release',
+            '/nodefaultlib',
+            '/wx',
+            '/debug',
+            '/debugtype:cv',
+            '/version:5.1',
+            '/osversion:5.1',
+            '/functionpadmin:5',
+            '/safeseh',
+            '/pdbcompress',
+            '/stack:0x40000,0x1000',
+            '/driver',
+            '/align:0x80',
+            '/subsystem:native,5.01',
+            '/base:0x10000',
+
+            '/entry:DrvEnableDriver',
+        ]
+        if env['build'] != 'release':
+            linkflags += [
+                '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx
+            ]
+    if platform == 'wince':
+        linkflags += [
+            '/nodefaultlib',
+            #'/incremental:no',
+            #'/fullbuild',
+            '/entry:_DllMainCRTStartup',
+        ]
+    env.Append(LINKFLAGS = linkflags)
+    env.Append(SHLINKFLAGS = shlinkflags)
+
+    # We have C++ in several libraries, so always link with the C++ compiler
+    if env['gcc']:
+        env['LINK'] = env['CXX']
+
+    # Default libs
+    env.Append(LIBS = [])
+
+    # Load tools
+    env.Tool('lex')
+    env.Tool('yacc')
+    if env['llvm']:
+        env.Tool('llvm')
+    
+    pkg_config_modules(env, 'x11', ['x11', 'xext'])
+    pkg_config_modules(env, 'drm', ['libdrm'])
+    pkg_config_modules(env, 'drm_intel', ['libdrm_intel'])
+    pkg_config_modules(env, 'drm_radeon', ['libdrm_radeon'])
+    pkg_config_modules(env, 'xorg', ['xorg-server'])
+    pkg_config_modules(env, 'kms', ['libkms'])
+
+    env['dri'] = env['x11'] and env['drm']
+
+    # Custom builders and methods
+    env.Tool('custom')
+    createInstallMethods(env)
+
+    # for debugging
+    #print env.Dump()
+
+
+def exists(env):
+    return 1
diff --git a/mesalib/scons/llvm.py b/mesalib/scons/llvm.py
index 3fef9e090..364cfe366 100644
--- a/mesalib/scons/llvm.py
+++ b/mesalib/scons/llvm.py
@@ -1,166 +1,166 @@
-"""llvm
-
-Tool-specific initialization for LLVM
-
-"""
-
-#
-# Copyright (c) 2009 VMware, 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.
-#
-
-import os
-import os.path
-import re
-import sys
-import distutils.version
-
-import SCons.Errors
-import SCons.Util
-
-
-def generate(env):
-    env['llvm'] = False
-
-    try:
-        llvm_dir = os.environ['LLVM']
-    except KeyError:
-        # Do nothing -- use the system headers/libs
-        llvm_dir = None
-    else:
-        if not os.path.isdir(llvm_dir):
-            raise SCons.Errors.InternalError, "Specified LLVM directory not found"
-
-        if env['debug']:
-            llvm_subdir = 'Debug'
-        else:
-            llvm_subdir = 'Release'
-
-        llvm_bin_dir = os.path.join(llvm_dir, llvm_subdir, 'bin')
-        if not os.path.isdir(llvm_bin_dir):
-            llvm_bin_dir = os.path.join(llvm_dir, 'bin')
-            if not os.path.isdir(llvm_bin_dir):
-                raise SCons.Errors.InternalError, "LLVM binary directory not found"
-
-        env.PrependENVPath('PATH', llvm_bin_dir)
-
-    if env['platform'] == 'windows':
-        # XXX: There is no llvm-config on Windows, so assume a standard layout
-        if llvm_dir is None:
-            print 'scons: LLVM environment variable must be specified when building for windows'
-            return
-
-        # Try to determine the LLVM version from llvm/Config/config.h
-        llvm_config = os.path.join(llvm_dir, 'include/llvm/Config/config.h')
-        if not os.path.exists(llvm_config):
-            print 'scons: could not find %s' % llvm_config
-            return
-        llvm_version_re = re.compile(r'^#define PACKAGE_VERSION "([^"]*)"')
-        llvm_version = None
-        for line in open(llvm_config, 'rt'):
-            mo = llvm_version_re.match(line)
-            if mo:
-                llvm_version = mo.group(1)
-                llvm_version = distutils.version.LooseVersion(llvm_version)
-                break
-        if llvm_version is None:
-            print 'scons: could not determine the LLVM version from %s' % llvm_config
-            return
-
-        env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')])
-        env.AppendUnique(CPPDEFINES = [
-            '__STDC_LIMIT_MACROS', 
-            '__STDC_CONSTANT_MACROS',
-            'HAVE_STDINT_H',
-        ])
-        env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')])
-        if llvm_version >= distutils.version.LooseVersion('2.7'):
-            # 2.7
-            env.Prepend(LIBS = [
-                'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
-                'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
-                'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
-                'LLVMMCParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
-                'LLVMSelectionDAG', 'LLVMX86Info', 'LLVMAsmPrinter',
-                'LLVMCodeGen', 'LLVMScalarOpts', 'LLVMInstCombine',
-                'LLVMTransformUtils', 'LLVMipa', 'LLVMAsmParser',
-                'LLVMArchive', 'LLVMBitReader', 'LLVMAnalysis', 'LLVMTarget',
-                'LLVMMC', 'LLVMCore', 'LLVMSupport', 'LLVMSystem',
-            ])
-        else:
-            # 2.6
-            env.Prepend(LIBS = [
-                'LLVMX86AsmParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
-                'LLVMX86Info', 'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
-                'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
-                'LLVMDebugger', 'LLVMBitWriter', 'LLVMAsmParser',
-                'LLVMArchive', 'LLVMBitReader', 'LLVMSelectionDAG',
-                'LLVMAsmPrinter', 'LLVMCodeGen', 'LLVMScalarOpts',
-                'LLVMTransformUtils', 'LLVMipa', 'LLVMAnalysis',
-                'LLVMTarget', 'LLVMMC', 'LLVMCore', 'LLVMSupport',
-                'LLVMSystem',
-            ])
-        env.Append(LIBS = [
-            'imagehlp',
-            'psapi',
-        ])
-        if env['msvc']:
-            # Some of the LLVM C headers use the inline keyword without
-            # defining it.
-            env.Append(CPPDEFINES = [('inline', '__inline')])
-            if env['build'] in ('debug', 'checked'):
-                # LLVM libraries are static, build with /MT, and they
-                # automatically link agains LIBCMT. When we're doing a
-                # debug build we'll be linking against LIBCMTD, so disable
-                # that.
-                env.Append(LINKFLAGS = ['/nodefaultlib:LIBCMT'])
-    else:
-        if not env.Detect('llvm-config'):
-            print 'scons: llvm-config script not found' % llvm_version
-            return
-
-        llvm_version = env.backtick('llvm-config --version').rstrip()
-        llvm_version = distutils.version.LooseVersion(llvm_version)
-
-        try:
-            env.ParseConfig('llvm-config --cppflags')
-            env.ParseConfig('llvm-config --libs jit interpreter nativecodegen bitwriter')
-            env.ParseConfig('llvm-config --ldflags')
-        except OSError:
-            print 'scons: llvm-config version %s failed' % llvm_version
-            return
-
-    assert llvm_version is not None
-    env['llvm'] = True
-
-    print 'scons: Found LLVM version %s' % llvm_version
-    env['LLVM_VERSION'] = llvm_version
-
-    # Define HAVE_LLVM macro with the major/minor version number (e.g., 0x0206 for 2.6)
-    llvm_version_major = int(llvm_version.version[0])
-    llvm_version_minor = int(llvm_version.version[1])
-    llvm_version_hex = '0x%02x%02x' % (llvm_version_major, llvm_version_minor)
-    env.Prepend(CPPDEFINES = [('HAVE_LLVM', llvm_version_hex)])
-
-def exists(env):
-    return True
-
-# vim:set ts=4 sw=4 et:
+"""llvm
+
+Tool-specific initialization for LLVM
+
+"""
+
+#
+# Copyright (c) 2009 VMware, 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.
+#
+
+import os
+import os.path
+import re
+import sys
+import distutils.version
+
+import SCons.Errors
+import SCons.Util
+
+
+def generate(env):
+    env['llvm'] = False
+
+    try:
+        llvm_dir = os.environ['LLVM']
+    except KeyError:
+        # Do nothing -- use the system headers/libs
+        llvm_dir = None
+    else:
+        if not os.path.isdir(llvm_dir):
+            raise SCons.Errors.InternalError, "Specified LLVM directory not found"
+
+        if env['debug']:
+            llvm_subdir = 'Debug'
+        else:
+            llvm_subdir = 'Release'
+
+        llvm_bin_dir = os.path.join(llvm_dir, llvm_subdir, 'bin')
+        if not os.path.isdir(llvm_bin_dir):
+            llvm_bin_dir = os.path.join(llvm_dir, 'bin')
+            if not os.path.isdir(llvm_bin_dir):
+                raise SCons.Errors.InternalError, "LLVM binary directory not found"
+
+        env.PrependENVPath('PATH', llvm_bin_dir)
+
+    if env['platform'] == 'windows':
+        # XXX: There is no llvm-config on Windows, so assume a standard layout
+        if llvm_dir is None:
+            print 'scons: LLVM environment variable must be specified when building for windows'
+            return
+
+        # Try to determine the LLVM version from llvm/Config/config.h
+        llvm_config = os.path.join(llvm_dir, 'include/llvm/Config/config.h')
+        if not os.path.exists(llvm_config):
+            print 'scons: could not find %s' % llvm_config
+            return
+        llvm_version_re = re.compile(r'^#define PACKAGE_VERSION "([^"]*)"')
+        llvm_version = None
+        for line in open(llvm_config, 'rt'):
+            mo = llvm_version_re.match(line)
+            if mo:
+                llvm_version = mo.group(1)
+                llvm_version = distutils.version.LooseVersion(llvm_version)
+                break
+        if llvm_version is None:
+            print 'scons: could not determine the LLVM version from %s' % llvm_config
+            return
+
+        env.Prepend(CPPPATH = [os.path.join(llvm_dir, 'include')])
+        env.AppendUnique(CPPDEFINES = [
+            '__STDC_LIMIT_MACROS', 
+            '__STDC_CONSTANT_MACROS',
+            'HAVE_STDINT_H',
+        ])
+        env.Prepend(LIBPATH = [os.path.join(llvm_dir, 'lib')])
+        if llvm_version >= distutils.version.LooseVersion('2.7'):
+            # 2.7
+            env.Prepend(LIBS = [
+                'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
+                'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
+                'LLVMBitWriter', 'LLVMX86Disassembler', 'LLVMX86AsmParser',
+                'LLVMMCParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
+                'LLVMSelectionDAG', 'LLVMX86Info', 'LLVMAsmPrinter',
+                'LLVMCodeGen', 'LLVMScalarOpts', 'LLVMInstCombine',
+                'LLVMTransformUtils', 'LLVMipa', 'LLVMAsmParser',
+                'LLVMArchive', 'LLVMBitReader', 'LLVMAnalysis', 'LLVMTarget',
+                'LLVMMC', 'LLVMCore', 'LLVMSupport', 'LLVMSystem',
+            ])
+        else:
+            # 2.6
+            env.Prepend(LIBS = [
+                'LLVMX86AsmParser', 'LLVMX86AsmPrinter', 'LLVMX86CodeGen',
+                'LLVMX86Info', 'LLVMLinker', 'LLVMipo', 'LLVMInterpreter',
+                'LLVMInstrumentation', 'LLVMJIT', 'LLVMExecutionEngine',
+                'LLVMDebugger', 'LLVMBitWriter', 'LLVMAsmParser',
+                'LLVMArchive', 'LLVMBitReader', 'LLVMSelectionDAG',
+                'LLVMAsmPrinter', 'LLVMCodeGen', 'LLVMScalarOpts',
+                'LLVMTransformUtils', 'LLVMipa', 'LLVMAnalysis',
+                'LLVMTarget', 'LLVMMC', 'LLVMCore', 'LLVMSupport',
+                'LLVMSystem',
+            ])
+        env.Append(LIBS = [
+            'imagehlp',
+            'psapi',
+        ])
+        if env['msvc']:
+            # Some of the LLVM C headers use the inline keyword without
+            # defining it.
+            env.Append(CPPDEFINES = [('inline', '__inline')])
+            if env['build'] in ('debug', 'checked'):
+                # LLVM libraries are static, build with /MT, and they
+                # automatically link agains LIBCMT. When we're doing a
+                # debug build we'll be linking against LIBCMTD, so disable
+                # that.
+                env.Append(LINKFLAGS = ['/nodefaultlib:LIBCMT'])
+    else:
+        if not env.Detect('llvm-config'):
+            print 'scons: llvm-config script not found' % llvm_version
+            return
+
+        llvm_version = env.backtick('llvm-config --version').rstrip()
+        llvm_version = distutils.version.LooseVersion(llvm_version)
+
+        try:
+            env.ParseConfig('llvm-config --cppflags')
+            env.ParseConfig('llvm-config --libs')
+            env.ParseConfig('llvm-config --ldflags')
+        except OSError:
+            print 'scons: llvm-config version %s failed' % llvm_version
+            return
+
+    assert llvm_version is not None
+    env['llvm'] = True
+
+    print 'scons: Found LLVM version %s' % llvm_version
+    env['LLVM_VERSION'] = llvm_version
+
+    # Define HAVE_LLVM macro with the major/minor version number (e.g., 0x0206 for 2.6)
+    llvm_version_major = int(llvm_version.version[0])
+    llvm_version_minor = int(llvm_version.version[1])
+    llvm_version_hex = '0x%02x%02x' % (llvm_version_major, llvm_version_minor)
+    env.Prepend(CPPDEFINES = [('HAVE_LLVM', llvm_version_hex)])
+
+def exists(env):
+    return True
+
+# vim:set ts=4 sw=4 et:
diff --git a/mesalib/scons/udis86.py b/mesalib/scons/udis86.py
deleted file mode 100644
index 82dd01a8f..000000000
--- a/mesalib/scons/udis86.py
+++ /dev/null
@@ -1,44 +0,0 @@
-"""udis86
-
-Tool-specific initialization for udis86
-
-"""
-
-#
-# Copyright (c) 2009 VMware, 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.
-#
-
-def generate(env):
-    conf = env.Configure()
-
-    if conf.CheckHeader('udis86.h'): # and conf.CheckLib('udis86'):
-        env['UDIS86'] = True
-        env.Prepend(LIBS = ['udis86'])
-    else:
-        env['UDIS86'] = False
-
-    conf.Finish()
-
-def exists(env):
-    return True
-
-# vim:set ts=4 sw=4 et:
diff --git a/mesalib/src/glsl/glsl_types.h b/mesalib/src/glsl/glsl_types.h
index 3c2672c01..e4c84c953 100644
--- a/mesalib/src/glsl/glsl_types.h
+++ b/mesalib/src/glsl/glsl_types.h
@@ -1,478 +1,478 @@
-/* -*- c++ -*- */
-/*
- * Copyright © 2009 Intel Corporation
- *
- * 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.
- */
-
-#pragma once
-#ifndef GLSL_TYPES_H
-#define GLSL_TYPES_H
-
-#include <string.h>
-#include <assert.h>
-
-extern "C" {
-#include "GL/gl.h"
-}
-
-#include "ralloc.h"
-
-struct _mesa_glsl_parse_state;
-struct glsl_symbol_table;
-
-extern "C" void
-_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state);
-
-extern "C" void
-_mesa_glsl_release_types(void);
-
-enum glsl_base_type {
-   GLSL_TYPE_UINT = 0,
-   GLSL_TYPE_INT,
-   GLSL_TYPE_FLOAT,
-   GLSL_TYPE_BOOL,
-   GLSL_TYPE_SAMPLER,
-   GLSL_TYPE_STRUCT,
-   GLSL_TYPE_ARRAY,
-   GLSL_TYPE_VOID,
-   GLSL_TYPE_ERROR
-};
-
-enum glsl_sampler_dim {
-   GLSL_SAMPLER_DIM_1D = 0,
-   GLSL_SAMPLER_DIM_2D,
-   GLSL_SAMPLER_DIM_3D,
-   GLSL_SAMPLER_DIM_CUBE,
-   GLSL_SAMPLER_DIM_RECT,
-   GLSL_SAMPLER_DIM_BUF
-};
-
-
-struct glsl_type {
-   GLenum gl_type;
-   glsl_base_type base_type;
-
-   unsigned sampler_dimensionality:3;
-   unsigned sampler_shadow:1;
-   unsigned sampler_array:1;
-   unsigned sampler_type:2;    /**< Type of data returned using this sampler.
-				* only \c GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
-				* and \c GLSL_TYPE_UINT are valid.
-				*/
-
-   /* Callers of this ralloc-based new need not call delete. It's
-    * easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */
-   static void* operator new(size_t size)
-   {
-      if (glsl_type::mem_ctx == NULL) {
-	 glsl_type::mem_ctx = ralloc_context(NULL);
-	 assert(glsl_type::mem_ctx != NULL);
-      }
-
-      void *type;
-
-      type = ralloc_size(glsl_type::mem_ctx, size);
-      assert(type != NULL);
-
-      return type;
-   }
-
-   /* If the user *does* call delete, that's OK, we will just
-    * ralloc_free in that case. */
-   static void operator delete(void *type)
-   {
-      ralloc_free(type);
-   }
-
-   /**
-    * \name Vector and matrix element counts
-    *
-    * For scalars, each of these values will be 1.  For non-numeric types
-    * these will be 0.
-    */
-   /*@{*/
-   unsigned vector_elements:3; /**< 1, 2, 3, or 4 vector elements. */
-   unsigned matrix_columns:3;  /**< 1, 2, 3, or 4 matrix columns. */
-   /*@}*/
-
-   /**
-    * Name of the data type
-    *
-    * This may be \c NULL for anonymous structures, for arrays, or for
-    * function types.
-    */
-   const char *name;
-
-   /**
-    * For \c GLSL_TYPE_ARRAY, this is the length of the array.  For
-    * \c GLSL_TYPE_STRUCT, it is the number of elements in the structure and
-    * the number of values pointed to by \c fields.structure (below).
-    */
-   unsigned length;
-
-   /**
-    * Subtype of composite data types.
-    */
-   union {
-      const struct glsl_type *array;            /**< Type of array elements. */
-      const struct glsl_type *parameters;       /**< Parameters to function. */
-      struct glsl_struct_field *structure;      /**< List of struct fields. */
-   } fields;
-
-
-   /**
-    * \name Pointers to various public type singletons
-    */
-   /*@{*/
-   static const glsl_type *const error_type;
-   static const glsl_type *const void_type;
-   static const glsl_type *const int_type;
-   static const glsl_type *const ivec4_type;
-   static const glsl_type *const uint_type;
-   static const glsl_type *const uvec2_type;
-   static const glsl_type *const uvec3_type;
-   static const glsl_type *const uvec4_type;
-   static const glsl_type *const float_type;
-   static const glsl_type *const vec2_type;
-   static const glsl_type *const vec3_type;
-   static const glsl_type *const vec4_type;
-   static const glsl_type *const bool_type;
-   static const glsl_type *const mat2_type;
-   static const glsl_type *const mat2x3_type;
-   static const glsl_type *const mat2x4_type;
-   static const glsl_type *const mat3x2_type;
-   static const glsl_type *const mat3_type;
-   static const glsl_type *const mat3x4_type;
-   static const glsl_type *const mat4x2_type;
-   static const glsl_type *const mat4x3_type;
-   static const glsl_type *const mat4_type;
-   /*@}*/
-
-
-   /**
-    * For numeric and boolean derrived types returns the basic scalar type
-    *
-    * If the type is a numeric or boolean scalar, vector, or matrix type,
-    * this function gets the scalar type of the individual components.  For
-    * all other types, including arrays of numeric or boolean types, the
-    * error type is returned.
-    */
-   const glsl_type *get_base_type() const;
-
-   /**
-    * Query the type of elements in an array
-    *
-    * \return
-    * Pointer to the type of elements in the array for array types, or \c NULL
-    * for non-array types.
-    */
-   const glsl_type *element_type() const
-   {
-      return is_array() ? fields.array : NULL;
-   }
-
-   /**
-    * Get the instance of a built-in scalar, vector, or matrix type
-    */
-   static const glsl_type *get_instance(unsigned base_type, unsigned rows,
-					unsigned columns);
-
-   /**
-    * Get the instance of an array type
-    */
-   static const glsl_type *get_array_instance(const glsl_type *base,
-					      unsigned elements);
-
-   /**
-    * Get the instance of a record type
-    */
-   static const glsl_type *get_record_instance(const glsl_struct_field *fields,
-					       unsigned num_fields,
-					       const char *name);
-
-   /**
-    * Query the total number of scalars that make up a scalar, vector or matrix
-    */
-   unsigned components() const
-   {
-      return vector_elements * matrix_columns;
-   }
-
-   /**
-    * Calculate the number of components slots required to hold this type
-    *
-    * This is used to determine how many uniform or varying locations a type
-    * might occupy.
-    */
-   unsigned component_slots() const;
-
-
-   /**
-    * Query whether or not a type is a scalar (non-vector and non-matrix).
-    */
-   bool is_scalar() const
-   {
-      return (vector_elements == 1)
-	 && (base_type >= GLSL_TYPE_UINT)
-	 && (base_type <= GLSL_TYPE_BOOL);
-   }
-
-   /**
-    * Query whether or not a type is a vector
-    */
-   bool is_vector() const
-   {
-      return (vector_elements > 1)
-	 && (matrix_columns == 1)
-	 && (base_type >= GLSL_TYPE_UINT)
-	 && (base_type <= GLSL_TYPE_BOOL);
-   }
-
-   /**
-    * Query whether or not a type is a matrix
-    */
-   bool is_matrix() const
-   {
-      /* GLSL only has float matrices. */
-      return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT);
-   }
-
-   /**
-    * Query whether or not a type is a non-array numeric type
-    */
-   bool is_numeric() const
-   {
-      return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_FLOAT);
-   }
-
-   /**
-    * Query whether or not a type is an integral type
-    */
-   bool is_integer() const
-   {
-      return (base_type == GLSL_TYPE_UINT) || (base_type == GLSL_TYPE_INT);
-   }
-
-   /**
-    * Query whether or not a type is a float type
-    */
-   bool is_float() const
-   {
-      return base_type == GLSL_TYPE_FLOAT;
-   }
-
-   /**
-    * Query whether or not a type is a non-array boolean type
-    */
-   bool is_boolean() const
-   {
-      return base_type == GLSL_TYPE_BOOL;
-   }
-
-   /**
-    * Query whether or not a type is a sampler
-    */
-   bool is_sampler() const
-   {
-      return base_type == GLSL_TYPE_SAMPLER;
-   }
-
-   /**
-    * Query whether or not a type is an array
-    */
-   bool is_array() const
-   {
-      return base_type == GLSL_TYPE_ARRAY;
-   }
-
-   /**
-    * Query whether or not a type is a record
-    */
-   bool is_record() const
-   {
-      return base_type == GLSL_TYPE_STRUCT;
-   }
-
-   /**
-    * Query whether or not a type is the void type singleton.
-    */
-   bool is_void() const
-   {
-      return base_type == GLSL_TYPE_VOID;
-   }
-
-   /**
-    * Query whether or not a type is the error type singleton.
-    */
-   bool is_error() const
-   {
-      return base_type == GLSL_TYPE_ERROR;
-   }
-
-   /**
-    * Query the full type of a matrix row
-    *
-    * \return
-    * If the type is not a matrix, \c glsl_type::error_type is returned.
-    * Otherwise a type matching the rows of the matrix is returned.
-    */
-   const glsl_type *row_type() const
-   {
-      return is_matrix()
-	 ? get_instance(base_type, matrix_columns, 1)
-	 : error_type;
-   }
-
-   /**
-    * Query the full type of a matrix column
-    *
-    * \return
-    * If the type is not a matrix, \c glsl_type::error_type is returned.
-    * Otherwise a type matching the columns of the matrix is returned.
-    */
-   const glsl_type *column_type() const
-   {
-      return is_matrix()
-	 ? get_instance(base_type, vector_elements, 1)
-	 : error_type;
-   }
-
-
-   /**
-    * Get the type of a structure field
-    *
-    * \return
-    * Pointer to the type of the named field.  If the type is not a structure
-    * or the named field does not exist, \c glsl_type::error_type is returned.
-    */
-   const glsl_type *field_type(const char *name) const;
-
-
-   /**
-    * Get the location of a filed within a record type
-    */
-   int field_index(const char *name) const;
-
-
-   /**
-    * Query the number of elements in an array type
-    *
-    * \return
-    * The number of elements in the array for array types or -1 for non-array
-    * types.  If the number of elements in the array has not yet been declared,
-    * zero is returned.
-    */
-   int array_size() const
-   {
-      return is_array() ? length : -1;
-   }
-
-private:
-   /**
-    * ralloc context for all glsl_type allocations
-    *
-    * Set on the first call to \c glsl_type::new.
-    */
-   static void *mem_ctx;
-
-   void init_ralloc_type_ctx(void);
-
-   /** Constructor for vector and matrix types */
-   glsl_type(GLenum gl_type,
-	     glsl_base_type base_type, unsigned vector_elements,
-	     unsigned matrix_columns, const char *name);
-
-   /** Constructor for sampler types */
-   glsl_type(GLenum gl_type,
-	     enum glsl_sampler_dim dim, bool shadow, bool array,
-	     unsigned type, const char *name);
-
-   /** Constructor for record types */
-   glsl_type(const glsl_struct_field *fields, unsigned num_fields,
-	     const char *name);
-
-   /** Constructor for array types */
-   glsl_type(const glsl_type *array, unsigned length);
-
-   /** Hash table containing the known array types. */
-   static struct hash_table *array_types;
-
-   /** Hash table containing the known record types. */
-   static struct hash_table *record_types;
-
-   static int record_key_compare(const void *a, const void *b);
-   static unsigned record_key_hash(const void *key);
-
-   /**
-    * \name Pointers to various type singletons
-    */
-   /*@{*/
-   static const glsl_type _error_type;
-   static const glsl_type _void_type;
-   static const glsl_type _sampler3D_type;
-   static const glsl_type builtin_core_types[];
-   static const glsl_type builtin_structure_types[];
-   static const glsl_type builtin_110_deprecated_structure_types[];
-   static const glsl_type builtin_110_types[];
-   static const glsl_type builtin_120_types[];
-   static const glsl_type builtin_130_types[];
-   static const glsl_type builtin_ARB_texture_rectangle_types[];
-   static const glsl_type builtin_EXT_texture_array_types[];
-   static const glsl_type builtin_EXT_texture_buffer_object_types[];
-   /*@}*/
-
-   /**
-    * \name Methods to populate a symbol table with built-in types.
-    *
-    * \internal
-    * This is one of the truely annoying things about C++.  Methods that are
-    * completely internal and private to a type still have to be advertised to
-    * the world in a public header file.
-    */
-   /*@{*/
-   static void generate_100ES_types(glsl_symbol_table *);
-   static void generate_110_types(glsl_symbol_table *);
-   static void generate_120_types(glsl_symbol_table *);
-   static void generate_130_types(glsl_symbol_table *);
-   static void generate_ARB_texture_rectangle_types(glsl_symbol_table *, bool);
-   static void generate_EXT_texture_array_types(glsl_symbol_table *, bool);
-   static void generate_OES_texture_3D_types(glsl_symbol_table *, bool);
-   /*@}*/
-
-   /**
-    * \name Friend functions.
-    *
-    * These functions are friends because they must have C linkage and the
-    * need to call various private methods or access various private static
-    * data.
-    */
-   /*@{*/
-   friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *);
-   friend void _mesa_glsl_release_types(void);
-   /*@}*/
-};
-
-struct glsl_struct_field {
-   const struct glsl_type *type;
-   const char *name;
-};
-
-#endif /* GLSL_TYPES_H */
+/* -*- c++ -*- */
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * 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.
+ */
+
+#pragma once
+#ifndef GLSL_TYPES_H
+#define GLSL_TYPES_H
+
+#include <string.h>
+#include <assert.h>
+
+extern "C" {
+#include "GL/gl.h"
+}
+
+#include "ralloc.h"
+
+struct _mesa_glsl_parse_state;
+struct glsl_symbol_table;
+
+extern "C" void
+_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state);
+
+extern "C" void
+_mesa_glsl_release_types(void);
+
+enum glsl_base_type {
+   GLSL_TYPE_UINT = 0,
+   GLSL_TYPE_INT,
+   GLSL_TYPE_FLOAT,
+   GLSL_TYPE_BOOL,
+   GLSL_TYPE_SAMPLER,
+   GLSL_TYPE_STRUCT,
+   GLSL_TYPE_ARRAY,
+   GLSL_TYPE_VOID,
+   GLSL_TYPE_ERROR
+};
+
+enum glsl_sampler_dim {
+   GLSL_SAMPLER_DIM_1D = 0,
+   GLSL_SAMPLER_DIM_2D,
+   GLSL_SAMPLER_DIM_3D,
+   GLSL_SAMPLER_DIM_CUBE,
+   GLSL_SAMPLER_DIM_RECT,
+   GLSL_SAMPLER_DIM_BUF
+};
+
+
+struct glsl_type {
+   GLenum gl_type;
+   glsl_base_type base_type;
+
+   unsigned sampler_dimensionality:3; /**< \see glsl_sampler_dim */
+   unsigned sampler_shadow:1;
+   unsigned sampler_array:1;
+   unsigned sampler_type:2;    /**< Type of data returned using this sampler.
+				* only \c GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
+				* and \c GLSL_TYPE_UINT are valid.
+				*/
+
+   /* Callers of this ralloc-based new need not call delete. It's
+    * easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */
+   static void* operator new(size_t size)
+   {
+      if (glsl_type::mem_ctx == NULL) {
+	 glsl_type::mem_ctx = ralloc_context(NULL);
+	 assert(glsl_type::mem_ctx != NULL);
+      }
+
+      void *type;
+
+      type = ralloc_size(glsl_type::mem_ctx, size);
+      assert(type != NULL);
+
+      return type;
+   }
+
+   /* If the user *does* call delete, that's OK, we will just
+    * ralloc_free in that case. */
+   static void operator delete(void *type)
+   {
+      ralloc_free(type);
+   }
+
+   /**
+    * \name Vector and matrix element counts
+    *
+    * For scalars, each of these values will be 1.  For non-numeric types
+    * these will be 0.
+    */
+   /*@{*/
+   unsigned vector_elements:3; /**< 1, 2, 3, or 4 vector elements. */
+   unsigned matrix_columns:3;  /**< 1, 2, 3, or 4 matrix columns. */
+   /*@}*/
+
+   /**
+    * Name of the data type
+    *
+    * This may be \c NULL for anonymous structures, for arrays, or for
+    * function types.
+    */
+   const char *name;
+
+   /**
+    * For \c GLSL_TYPE_ARRAY, this is the length of the array.  For
+    * \c GLSL_TYPE_STRUCT, it is the number of elements in the structure and
+    * the number of values pointed to by \c fields.structure (below).
+    */
+   unsigned length;
+
+   /**
+    * Subtype of composite data types.
+    */
+   union {
+      const struct glsl_type *array;            /**< Type of array elements. */
+      const struct glsl_type *parameters;       /**< Parameters to function. */
+      struct glsl_struct_field *structure;      /**< List of struct fields. */
+   } fields;
+
+
+   /**
+    * \name Pointers to various public type singletons
+    */
+   /*@{*/
+   static const glsl_type *const error_type;
+   static const glsl_type *const void_type;
+   static const glsl_type *const int_type;
+   static const glsl_type *const ivec4_type;
+   static const glsl_type *const uint_type;
+   static const glsl_type *const uvec2_type;
+   static const glsl_type *const uvec3_type;
+   static const glsl_type *const uvec4_type;
+   static const glsl_type *const float_type;
+   static const glsl_type *const vec2_type;
+   static const glsl_type *const vec3_type;
+   static const glsl_type *const vec4_type;
+   static const glsl_type *const bool_type;
+   static const glsl_type *const mat2_type;
+   static const glsl_type *const mat2x3_type;
+   static const glsl_type *const mat2x4_type;
+   static const glsl_type *const mat3x2_type;
+   static const glsl_type *const mat3_type;
+   static const glsl_type *const mat3x4_type;
+   static const glsl_type *const mat4x2_type;
+   static const glsl_type *const mat4x3_type;
+   static const glsl_type *const mat4_type;
+   /*@}*/
+
+
+   /**
+    * For numeric and boolean derrived types returns the basic scalar type
+    *
+    * If the type is a numeric or boolean scalar, vector, or matrix type,
+    * this function gets the scalar type of the individual components.  For
+    * all other types, including arrays of numeric or boolean types, the
+    * error type is returned.
+    */
+   const glsl_type *get_base_type() const;
+
+   /**
+    * Query the type of elements in an array
+    *
+    * \return
+    * Pointer to the type of elements in the array for array types, or \c NULL
+    * for non-array types.
+    */
+   const glsl_type *element_type() const
+   {
+      return is_array() ? fields.array : NULL;
+   }
+
+   /**
+    * Get the instance of a built-in scalar, vector, or matrix type
+    */
+   static const glsl_type *get_instance(unsigned base_type, unsigned rows,
+					unsigned columns);
+
+   /**
+    * Get the instance of an array type
+    */
+   static const glsl_type *get_array_instance(const glsl_type *base,
+					      unsigned elements);
+
+   /**
+    * Get the instance of a record type
+    */
+   static const glsl_type *get_record_instance(const glsl_struct_field *fields,
+					       unsigned num_fields,
+					       const char *name);
+
+   /**
+    * Query the total number of scalars that make up a scalar, vector or matrix
+    */
+   unsigned components() const
+   {
+      return vector_elements * matrix_columns;
+   }
+
+   /**
+    * Calculate the number of components slots required to hold this type
+    *
+    * This is used to determine how many uniform or varying locations a type
+    * might occupy.
+    */
+   unsigned component_slots() const;
+
+
+   /**
+    * Query whether or not a type is a scalar (non-vector and non-matrix).
+    */
+   bool is_scalar() const
+   {
+      return (vector_elements == 1)
+	 && (base_type >= GLSL_TYPE_UINT)
+	 && (base_type <= GLSL_TYPE_BOOL);
+   }
+
+   /**
+    * Query whether or not a type is a vector
+    */
+   bool is_vector() const
+   {
+      return (vector_elements > 1)
+	 && (matrix_columns == 1)
+	 && (base_type >= GLSL_TYPE_UINT)
+	 && (base_type <= GLSL_TYPE_BOOL);
+   }
+
+   /**
+    * Query whether or not a type is a matrix
+    */
+   bool is_matrix() const
+   {
+      /* GLSL only has float matrices. */
+      return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT);
+   }
+
+   /**
+    * Query whether or not a type is a non-array numeric type
+    */
+   bool is_numeric() const
+   {
+      return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_FLOAT);
+   }
+
+   /**
+    * Query whether or not a type is an integral type
+    */
+   bool is_integer() const
+   {
+      return (base_type == GLSL_TYPE_UINT) || (base_type == GLSL_TYPE_INT);
+   }
+
+   /**
+    * Query whether or not a type is a float type
+    */
+   bool is_float() const
+   {
+      return base_type == GLSL_TYPE_FLOAT;
+   }
+
+   /**
+    * Query whether or not a type is a non-array boolean type
+    */
+   bool is_boolean() const
+   {
+      return base_type == GLSL_TYPE_BOOL;
+   }
+
+   /**
+    * Query whether or not a type is a sampler
+    */
+   bool is_sampler() const
+   {
+      return base_type == GLSL_TYPE_SAMPLER;
+   }
+
+   /**
+    * Query whether or not a type is an array
+    */
+   bool is_array() const
+   {
+      return base_type == GLSL_TYPE_ARRAY;
+   }
+
+   /**
+    * Query whether or not a type is a record
+    */
+   bool is_record() const
+   {
+      return base_type == GLSL_TYPE_STRUCT;
+   }
+
+   /**
+    * Query whether or not a type is the void type singleton.
+    */
+   bool is_void() const
+   {
+      return base_type == GLSL_TYPE_VOID;
+   }
+
+   /**
+    * Query whether or not a type is the error type singleton.
+    */
+   bool is_error() const
+   {
+      return base_type == GLSL_TYPE_ERROR;
+   }
+
+   /**
+    * Query the full type of a matrix row
+    *
+    * \return
+    * If the type is not a matrix, \c glsl_type::error_type is returned.
+    * Otherwise a type matching the rows of the matrix is returned.
+    */
+   const glsl_type *row_type() const
+   {
+      return is_matrix()
+	 ? get_instance(base_type, matrix_columns, 1)
+	 : error_type;
+   }
+
+   /**
+    * Query the full type of a matrix column
+    *
+    * \return
+    * If the type is not a matrix, \c glsl_type::error_type is returned.
+    * Otherwise a type matching the columns of the matrix is returned.
+    */
+   const glsl_type *column_type() const
+   {
+      return is_matrix()
+	 ? get_instance(base_type, vector_elements, 1)
+	 : error_type;
+   }
+
+
+   /**
+    * Get the type of a structure field
+    *
+    * \return
+    * Pointer to the type of the named field.  If the type is not a structure
+    * or the named field does not exist, \c glsl_type::error_type is returned.
+    */
+   const glsl_type *field_type(const char *name) const;
+
+
+   /**
+    * Get the location of a filed within a record type
+    */
+   int field_index(const char *name) const;
+
+
+   /**
+    * Query the number of elements in an array type
+    *
+    * \return
+    * The number of elements in the array for array types or -1 for non-array
+    * types.  If the number of elements in the array has not yet been declared,
+    * zero is returned.
+    */
+   int array_size() const
+   {
+      return is_array() ? length : -1;
+   }
+
+private:
+   /**
+    * ralloc context for all glsl_type allocations
+    *
+    * Set on the first call to \c glsl_type::new.
+    */
+   static void *mem_ctx;
+
+   void init_ralloc_type_ctx(void);
+
+   /** Constructor for vector and matrix types */
+   glsl_type(GLenum gl_type,
+	     glsl_base_type base_type, unsigned vector_elements,
+	     unsigned matrix_columns, const char *name);
+
+   /** Constructor for sampler types */
+   glsl_type(GLenum gl_type,
+	     enum glsl_sampler_dim dim, bool shadow, bool array,
+	     unsigned type, const char *name);
+
+   /** Constructor for record types */
+   glsl_type(const glsl_struct_field *fields, unsigned num_fields,
+	     const char *name);
+
+   /** Constructor for array types */
+   glsl_type(const glsl_type *array, unsigned length);
+
+   /** Hash table containing the known array types. */
+   static struct hash_table *array_types;
+
+   /** Hash table containing the known record types. */
+   static struct hash_table *record_types;
+
+   static int record_key_compare(const void *a, const void *b);
+   static unsigned record_key_hash(const void *key);
+
+   /**
+    * \name Pointers to various type singletons
+    */
+   /*@{*/
+   static const glsl_type _error_type;
+   static const glsl_type _void_type;
+   static const glsl_type _sampler3D_type;
+   static const glsl_type builtin_core_types[];
+   static const glsl_type builtin_structure_types[];
+   static const glsl_type builtin_110_deprecated_structure_types[];
+   static const glsl_type builtin_110_types[];
+   static const glsl_type builtin_120_types[];
+   static const glsl_type builtin_130_types[];
+   static const glsl_type builtin_ARB_texture_rectangle_types[];
+   static const glsl_type builtin_EXT_texture_array_types[];
+   static const glsl_type builtin_EXT_texture_buffer_object_types[];
+   /*@}*/
+
+   /**
+    * \name Methods to populate a symbol table with built-in types.
+    *
+    * \internal
+    * This is one of the truely annoying things about C++.  Methods that are
+    * completely internal and private to a type still have to be advertised to
+    * the world in a public header file.
+    */
+   /*@{*/
+   static void generate_100ES_types(glsl_symbol_table *);
+   static void generate_110_types(glsl_symbol_table *);
+   static void generate_120_types(glsl_symbol_table *);
+   static void generate_130_types(glsl_symbol_table *);
+   static void generate_ARB_texture_rectangle_types(glsl_symbol_table *, bool);
+   static void generate_EXT_texture_array_types(glsl_symbol_table *, bool);
+   static void generate_OES_texture_3D_types(glsl_symbol_table *, bool);
+   /*@}*/
+
+   /**
+    * \name Friend functions.
+    *
+    * These functions are friends because they must have C linkage and the
+    * need to call various private methods or access various private static
+    * data.
+    */
+   /*@{*/
+   friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *);
+   friend void _mesa_glsl_release_types(void);
+   /*@}*/
+};
+
+struct glsl_struct_field {
+   const struct glsl_type *type;
+   const char *name;
+};
+
+#endif /* GLSL_TYPES_H */
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index ed513397a..0bc534df5 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -3,7 +3,6 @@
  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
  * All Rights Reserved.
  * Copyright 2009 VMware, Inc.  All Rights Reserved.
- * Copyright © 2010 Intel Corporation
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
@@ -31,8 +30,6 @@ extern "C" {
 #include "glheader.h"
 #include "imports.h"
 #include "mtypes.h"
-#include "main/uniforms.h"
-#include "main/macros.h"
 #include "program/program.h"
 #include "program/prog_parameter.h"
 #include "program/prog_cache.h"
@@ -42,13 +39,6 @@ extern "C" {
 #include "program/programopt.h"
 #include "texenvprogram.h"
 }
-#include "../glsl/glsl_types.h"
-#include "../glsl/ir.h"
-#include "../glsl/glsl_symbol_table.h"
-#include "../glsl/glsl_parser_extras.h"
-#include "../glsl/ir_optimization.h"
-#include "../glsl/ir_print_visitor.h"
-#include "../program/ir_to_mesa.h"
 
 /*
  * Note on texture units:
@@ -69,7 +59,7 @@ struct texenvprog_cache_item
 {
    GLuint hash;
    void *key;
-   struct gl_shader_program *data;
+   struct gl_fragment_program *data;
    struct texenvprog_cache_item *next;
 };
 
@@ -86,6 +76,13 @@ texenv_doing_secondary_color(struct gl_context *ctx)
    return GL_FALSE;
 }
 
+/**
+ * Up to nine instructions per tex unit, plus fog, specular color.
+ */
+#define MAX_INSTRUCTIONS ((MAX_TEXTURE_COORD_UNITS * 9) + 12)
+
+#define DISASSEM (MESA_VERBOSE & VERBOSE_DISASSEM)
+
 struct mode_opt {
 #ifdef __GNUC__
    __extension__ GLubyte Source:4;  /**< SRC_x */
@@ -119,6 +116,8 @@ struct state_key {
       GLuint NumArgsA:3;  /**< up to MAX_COMBINER_TERMS */
       GLuint ModeA:5;     /**< MODE_x */
 
+      GLuint texture_cyl_wrap:1; /**< For gallium test/debug only */
+
       struct mode_opt OptRGB[MAX_COMBINER_TERMS];
       struct mode_opt OptA[MAX_COMBINER_TERMS];
    } unit[MAX_TEXTURE_UNITS];
@@ -471,6 +470,10 @@ static GLuint make_state_key( struct gl_context *ctx,  struct state_key *key )
          key->unit[i].OptRGB[1].Operand = OPR_SRC_COLOR;
          key->unit[i].OptRGB[1].Source = texUnit->BumpTarget - GL_TEXTURE0 + SRC_TEXTURE0;
        }
+
+      /* this is a back-door for enabling cylindrical texture wrap mode */
+      if (texObj->Priority == 0.125)
+         key->unit[i].texture_cyl_wrap = 1;
    }
 
    /* _NEW_LIGHT | _NEW_FOG */
@@ -499,15 +502,40 @@ static GLuint make_state_key( struct gl_context *ctx,  struct state_key *key )
 }
 
 
+/**
+ * Use uregs to represent registers internally, translate to Mesa's
+ * expected formats on emit.  
+ *
+ * NOTE: These are passed by value extensively in this file rather
+ * than as usual by pointer reference.  If this disturbs you, try
+ * remembering they are just 32bits in size.
+ *
+ * GCC is smart enough to deal with these dword-sized structures in
+ * much the same way as if I had defined them as dwords and was using
+ * macros to access and set the fields.  This is much nicer and easier
+ * to evolve.
+ */
+struct ureg {
+   GLuint file:4;
+   GLuint idx:8;
+   GLuint negatebase:1;
+   GLuint swz:12;
+   GLuint pad:7;
+};
+
+static const struct ureg undef = { 
+   PROGRAM_UNDEFINED,
+   255,
+   0,
+   0,
+   0
+};
+
+
 /** State used to build the fragment program:
  */
 struct texenv_fragment_program {
-   struct gl_shader_program *shader_program;
-   struct gl_shader *shader;
    struct gl_fragment_program *program;
-   exec_list *instructions;
-   exec_list *top_instructions;
-   void *mem_ctx;
    struct state_key *state;
 
    GLbitfield alu_temps;	/**< Track texture indirections, see spec. */
@@ -515,35 +543,385 @@ struct texenv_fragment_program {
    GLbitfield temp_in_use;	/**< Tracks temporary regs which are in use. */
    GLboolean error;
 
-   ir_variable *src_texture[MAX_TEXTURE_COORD_UNITS];
+   struct ureg src_texture[MAX_TEXTURE_COORD_UNITS];   
    /* Reg containing each texture unit's sampled texture color,
     * else undef.
     */
 
-   /* Texcoord override from bumpmapping. */
-   struct ir_variable *texcoord_tex[MAX_TEXTURE_COORD_UNITS];
-
+   struct ureg texcoord_tex[MAX_TEXTURE_COORD_UNITS];
    /* Reg containing texcoord for a texture unit,
     * needed for bump mapping, else undef.
     */
 
-   ir_rvalue *src_previous;	/**< Reg containing color from previous
+   struct ureg src_previous;	/**< Reg containing color from previous 
 				 * stage.  May need to be decl'd.
 				 */
 
    GLuint last_tex_stage;	/**< Number of last enabled texture unit */
+
+   struct ureg half;
+   struct ureg one;
+   struct ureg zero;
 };
 
-static ir_rvalue *
-get_source(struct texenv_fragment_program *p,
-	   GLuint src, GLuint unit)
+
+
+static struct ureg make_ureg(GLuint file, GLuint idx)
+{
+   struct ureg reg;
+   reg.file = file;
+   reg.idx = idx;
+   reg.negatebase = 0;
+   reg.swz = SWIZZLE_NOOP;
+   reg.pad = 0;
+   return reg;
+}
+
+static struct ureg swizzle( struct ureg reg, int x, int y, int z, int w )
+{
+   reg.swz = MAKE_SWIZZLE4(GET_SWZ(reg.swz, x),
+			   GET_SWZ(reg.swz, y),
+			   GET_SWZ(reg.swz, z),
+			   GET_SWZ(reg.swz, w));
+
+   return reg;
+}
+
+static struct ureg swizzle1( struct ureg reg, int x )
+{
+   return swizzle(reg, x, x, x, x);
+}
+
+static struct ureg negate( struct ureg reg )
+{
+   reg.negatebase ^= 1;
+   return reg;
+}
+
+static GLboolean is_undef( struct ureg reg )
+{
+   return reg.file == PROGRAM_UNDEFINED;
+}
+
+
+static struct ureg get_temp( struct texenv_fragment_program *p )
+{
+   GLint bit;
+   
+   /* First try and reuse temps which have been used already:
+    */
+   bit = _mesa_ffs( ~p->temp_in_use & p->alu_temps );
+
+   /* Then any unused temporary:
+    */
+   if (!bit)
+      bit = _mesa_ffs( ~p->temp_in_use );
+
+   if (!bit) {
+      _mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
+      exit(1);
+   }
+
+   if ((GLuint) bit > p->program->Base.NumTemporaries)
+      p->program->Base.NumTemporaries = bit;
+
+   p->temp_in_use |= 1<<(bit-1);
+   return make_ureg(PROGRAM_TEMPORARY, (bit-1));
+}
+
+static struct ureg get_tex_temp( struct texenv_fragment_program *p )
+{
+   int bit;
+   
+   /* First try to find available temp not previously used (to avoid
+    * starting a new texture indirection).  According to the spec, the
+    * ~p->temps_output isn't necessary, but will keep it there for
+    * now:
+    */
+   bit = _mesa_ffs( ~p->temp_in_use & ~p->alu_temps & ~p->temps_output );
+
+   /* Then any unused temporary:
+    */
+   if (!bit) 
+      bit = _mesa_ffs( ~p->temp_in_use );
+
+   if (!bit) {
+      _mesa_problem(NULL, "%s: out of temporaries\n", __FILE__);
+      exit(1);
+   }
+
+   if ((GLuint) bit > p->program->Base.NumTemporaries)
+      p->program->Base.NumTemporaries = bit;
+
+   p->temp_in_use |= 1<<(bit-1);
+   return make_ureg(PROGRAM_TEMPORARY, (bit-1));
+}
+
+
+/** Mark a temp reg as being no longer allocatable. */
+static void reserve_temp( struct texenv_fragment_program *p, struct ureg r )
+{
+   if (r.file == PROGRAM_TEMPORARY)
+      p->temps_output |= (1 << r.idx);
+}
+
+
+static void release_temps(struct gl_context *ctx, struct texenv_fragment_program *p )
+{
+   GLuint max_temp = ctx->Const.FragmentProgram.MaxTemps;
+
+   /* KW: To support tex_env_crossbar, don't release the registers in
+    * temps_output.
+    */
+   if (max_temp >= sizeof(int) * 8)
+      p->temp_in_use = p->temps_output;
+   else
+      p->temp_in_use = ~((1<<max_temp)-1) | p->temps_output;
+}
+
+
+static struct ureg register_param5( struct texenv_fragment_program *p, 
+				    GLint s0,
+				    GLint s1,
+				    GLint s2,
+				    GLint s3,
+				    GLint s4)
+{
+   int tokens[STATE_LENGTH];
+   GLuint idx;
+   tokens[0] = s0;
+   tokens[1] = s1;
+   tokens[2] = s2;
+   tokens[3] = s3;
+   tokens[4] = s4;
+   idx = _mesa_add_state_reference(p->program->Base.Parameters,
+				   (gl_state_index *)tokens);
+   return make_ureg(PROGRAM_STATE_VAR, idx);
+}
+
+
+#define register_param1(p,s0)          register_param5(p,s0,0,0,0,0)
+#define register_param2(p,s0,s1)       register_param5(p,s0,s1,0,0,0)
+#define register_param3(p,s0,s1,s2)    register_param5(p,s0,s1,s2,0,0)
+#define register_param4(p,s0,s1,s2,s3) register_param5(p,s0,s1,s2,s3,0)
+
+static GLuint frag_to_vert_attrib( GLuint attrib )
+{
+   switch (attrib) {
+   case FRAG_ATTRIB_COL0: return VERT_ATTRIB_COLOR0;
+   case FRAG_ATTRIB_COL1: return VERT_ATTRIB_COLOR1;
+   default:
+      assert(attrib >= FRAG_ATTRIB_TEX0);
+      assert(attrib <= FRAG_ATTRIB_TEX7);
+      return attrib - FRAG_ATTRIB_TEX0 + VERT_ATTRIB_TEX0;
+   }
+}
+
+
+static struct ureg register_input( struct texenv_fragment_program *p, GLuint input )
+{
+   if (p->state->inputs_available & (1<<input)) {
+      p->program->Base.InputsRead |= (1 << input);
+      return make_ureg(PROGRAM_INPUT, input);
+   }
+   else {
+      GLuint idx = frag_to_vert_attrib( input );
+      return register_param3( p, STATE_INTERNAL, STATE_CURRENT_ATTRIB, idx );
+   }
+}
+
+
+static void emit_arg( struct prog_src_register *reg,
+		      struct ureg ureg )
+{
+   reg->File = ureg.file;
+   reg->Index = ureg.idx;
+   reg->Swizzle = ureg.swz;
+   reg->Negate = ureg.negatebase ? NEGATE_XYZW : NEGATE_NONE;
+   reg->Abs = GL_FALSE;
+}
+
+static void emit_dst( struct prog_dst_register *dst,
+		      struct ureg ureg, GLuint mask )
+{
+   dst->File = ureg.file;
+   dst->Index = ureg.idx;
+   dst->WriteMask = mask;
+   dst->CondMask = COND_TR;  /* always pass cond test */
+   dst->CondSwizzle = SWIZZLE_NOOP;
+}
+
+static struct prog_instruction *
+emit_op(struct texenv_fragment_program *p,
+	enum prog_opcode op,
+	struct ureg dest,
+	GLuint mask,
+	GLboolean saturate,
+	struct ureg src0,
+	struct ureg src1,
+	struct ureg src2 )
+{
+   const GLuint nr = p->program->Base.NumInstructions++;
+   struct prog_instruction *inst = &p->program->Base.Instructions[nr];
+
+   assert(nr < MAX_INSTRUCTIONS);
+
+   _mesa_init_instructions(inst, 1);
+   inst->Opcode = op;
+   
+   emit_arg( &inst->SrcReg[0], src0 );
+   emit_arg( &inst->SrcReg[1], src1 );
+   emit_arg( &inst->SrcReg[2], src2 );
+   
+   inst->SaturateMode = saturate ? SATURATE_ZERO_ONE : SATURATE_OFF;
+
+   emit_dst( &inst->DstReg, dest, mask );
+
+#if 0
+   /* Accounting for indirection tracking:
+    */
+   if (dest.file == PROGRAM_TEMPORARY)
+      p->temps_output |= 1 << dest.idx;
+#endif
+
+   return inst;
+}
+   
+
+static struct ureg emit_arith( struct texenv_fragment_program *p,
+			       enum prog_opcode op,
+			       struct ureg dest,
+			       GLuint mask,
+			       GLboolean saturate,
+			       struct ureg src0,
+			       struct ureg src1,
+			       struct ureg src2 )
+{
+   emit_op(p, op, dest, mask, saturate, src0, src1, src2);
+   
+   /* Accounting for indirection tracking:
+    */
+   if (src0.file == PROGRAM_TEMPORARY)
+      p->alu_temps |= 1 << src0.idx;
+
+   if (!is_undef(src1) && src1.file == PROGRAM_TEMPORARY)
+      p->alu_temps |= 1 << src1.idx;
+
+   if (!is_undef(src2) && src2.file == PROGRAM_TEMPORARY)
+      p->alu_temps |= 1 << src2.idx;
+
+   if (dest.file == PROGRAM_TEMPORARY)
+      p->alu_temps |= 1 << dest.idx;
+       
+   p->program->Base.NumAluInstructions++;
+   return dest;
+}
+
+static struct ureg emit_texld( struct texenv_fragment_program *p,
+			       enum prog_opcode op,
+			       struct ureg dest,
+			       GLuint destmask,
+			       GLuint tex_unit,
+			       GLuint tex_idx,
+                               GLuint tex_shadow,
+			       struct ureg coord )
+{
+   struct prog_instruction *inst = emit_op( p, op, 
+					  dest, destmask, 
+					  GL_FALSE,	/* don't saturate? */
+					  coord, 	/* arg 0? */
+					  undef,
+					  undef);
+   
+   inst->TexSrcTarget = tex_idx;
+   inst->TexSrcUnit = tex_unit;
+   inst->TexShadow = tex_shadow;
+
+   p->program->Base.NumTexInstructions++;
+
+   /* Accounting for indirection tracking:
+    */
+   reserve_temp(p, dest);
+
+#if 0
+   /* Is this a texture indirection?
+    */
+   if ((coord.file == PROGRAM_TEMPORARY &&
+	(p->temps_output & (1<<coord.idx))) ||
+       (dest.file == PROGRAM_TEMPORARY &&
+	(p->alu_temps & (1<<dest.idx)))) {
+      p->program->Base.NumTexIndirections++;
+      p->temps_output = 1<<coord.idx;
+      p->alu_temps = 0;
+      assert(0);		/* KW: texture env crossbar */
+   }
+#endif
+
+   return dest;
+}
+
+
+static struct ureg register_const4f( struct texenv_fragment_program *p, 
+				     GLfloat s0,
+				     GLfloat s1,
+				     GLfloat s2,
+				     GLfloat s3)
+{
+   GLfloat values[4];
+   GLuint idx, swizzle;
+   struct ureg r;
+   values[0] = s0;
+   values[1] = s1;
+   values[2] = s2;
+   values[3] = s3;
+   idx = _mesa_add_unnamed_constant( p->program->Base.Parameters, values, 4,
+                                     &swizzle );
+   r = make_ureg(PROGRAM_CONSTANT, idx);
+   r.swz = swizzle;
+   return r;
+}
+
+#define register_scalar_const(p, s0)    register_const4f(p, s0, s0, s0, s0)
+#define register_const1f(p, s0)         register_const4f(p, s0, 0, 0, 1)
+#define register_const2f(p, s0, s1)     register_const4f(p, s0, s1, 0, 1)
+#define register_const3f(p, s0, s1, s2) register_const4f(p, s0, s1, s2, 1)
+
+
+static struct ureg get_one( struct texenv_fragment_program *p )
+{
+   if (is_undef(p->one)) 
+      p->one = register_scalar_const(p, 1.0);
+   return p->one;
+}
+
+static struct ureg get_half( struct texenv_fragment_program *p )
 {
-   ir_variable *var;
-   ir_dereference *deref;
+   if (is_undef(p->half)) 
+      p->half = register_scalar_const(p, 0.5);
+   return p->half;
+}
+
+static struct ureg get_zero( struct texenv_fragment_program *p )
+{
+   if (is_undef(p->zero)) 
+      p->zero = register_scalar_const(p, 0.0);
+   return p->zero;
+}
+
+
+static void program_error( struct texenv_fragment_program *p, const char *msg )
+{
+   _mesa_problem(NULL, "%s", msg);
+   p->error = 1;
+}
 
+static struct ureg get_source( struct texenv_fragment_program *p, 
+			       GLuint src, GLuint unit )
+{
    switch (src) {
    case SRC_TEXTURE: 
-      return new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
+      assert(!is_undef(p->src_texture[unit]));
+      return p->src_texture[unit];
 
    case SRC_TEXTURE0:
    case SRC_TEXTURE1:
@@ -553,69 +931,66 @@ get_source(struct texenv_fragment_program *p,
    case SRC_TEXTURE5:
    case SRC_TEXTURE6:
    case SRC_TEXTURE7: 
-      return new(p->mem_ctx)
-	 ir_dereference_variable(p->src_texture[src - SRC_TEXTURE0]);
+      assert(!is_undef(p->src_texture[src - SRC_TEXTURE0]));
+      return p->src_texture[src - SRC_TEXTURE0];
 
    case SRC_CONSTANT:
-      var = p->shader->symbols->get_variable("gl_TextureEnvColor");
-      assert(var);
-      deref = new(p->mem_ctx) ir_dereference_variable(var);
-      var->max_array_access = MAX2(var->max_array_access, unit);
-      return new(p->mem_ctx) ir_dereference_array(deref,
-						  new(p->mem_ctx) ir_constant(unit));
+      return register_param2(p, STATE_TEXENV_COLOR, unit);
 
    case SRC_PRIMARY_COLOR:
-      var = p->shader->symbols->get_variable("gl_Color");
-      assert(var);
-      return new(p->mem_ctx) ir_dereference_variable(var);
+      return register_input(p, FRAG_ATTRIB_COL0);
 
    case SRC_ZERO:
-      return new(p->mem_ctx) ir_constant(0.0f);
+      return get_zero(p);
 
    case SRC_PREVIOUS:
-      if (!p->src_previous) {
-	 var = p->shader->symbols->get_variable("gl_Color");
-	 assert(var);
-	 return new(p->mem_ctx) ir_dereference_variable(var);
-      } else {
-	 return p->src_previous->clone(p->mem_ctx, NULL);
-      }
+      if (is_undef(p->src_previous))
+	 return register_input(p, FRAG_ATTRIB_COL0);
+      else
+	 return p->src_previous;
 
    default:
       assert(0);
-      return NULL;
+      return undef;
    }
 }
 
-static ir_rvalue *
-emit_combine_source(struct texenv_fragment_program *p,
-		    GLuint unit,
-		    GLuint source,
-		    GLuint operand)
+static struct ureg emit_combine_source( struct texenv_fragment_program *p, 
+					GLuint mask,
+					GLuint unit,
+					GLuint source, 
+					GLuint operand )
 {
-   ir_rvalue *src;
+   struct ureg arg, src, one;
 
    src = get_source(p, source, unit);
 
    switch (operand) {
    case OPR_ONE_MINUS_SRC_COLOR: 
-      return new(p->mem_ctx) ir_expression(ir_binop_sub,
-					   new(p->mem_ctx) ir_constant(1.0f),
-					   src);
+      /* Get unused tmp,
+       * Emit tmp = 1.0 - arg.xyzw
+       */
+      arg = get_temp( p );
+      one = get_one( p );
+      return emit_arith( p, OPCODE_SUB, arg, mask, 0, one, src, undef);
 
    case OPR_SRC_ALPHA: 
-      return new(p->mem_ctx) ir_swizzle(src, 3, 3, 3, 3, 1);
-
+      if (mask == WRITEMASK_W)
+	 return src;
+      else
+	 return swizzle1( src, SWIZZLE_W );
    case OPR_ONE_MINUS_SRC_ALPHA: 
-      return new(p->mem_ctx) ir_expression(ir_binop_sub,
-					   new(p->mem_ctx) ir_constant(1.0f),
-					   new(p->mem_ctx) ir_swizzle(src,
-								      3, 3,
-								      3, 3, 1));
+      /* Get unused tmp,
+       * Emit tmp = 1.0 - arg.wwww
+       */
+      arg = get_temp(p);
+      one = get_one(p);
+      return emit_arith(p, OPCODE_SUB, arg, mask, 0,
+			one, swizzle1(src, SWIZZLE_W), undef);
    case OPR_ZERO:
-      return new(p->mem_ctx) ir_constant(0.0f);
+      return get_zero(p);
    case OPR_ONE:
-      return new(p->mem_ctx) ir_constant(1.0f);
+      return get_one(p);
    case OPR_SRC_COLOR: 
       return src;
    default:
@@ -664,104 +1039,112 @@ static GLboolean args_match( const struct state_key *key, GLuint unit )
    return GL_TRUE;
 }
 
-static ir_rvalue *
-smear(struct texenv_fragment_program *p, ir_rvalue *val)
-{
-   if (!val->type->is_scalar())
-      return val;
-
-   return new(p->mem_ctx) ir_swizzle(val, 0, 0, 0, 0, 4);
-}
-
-static ir_rvalue *
-emit_combine(struct texenv_fragment_program *p,
-	     GLuint unit,
-	     GLuint nr,
-	     GLuint mode,
-	     const struct mode_opt *opt)
+static struct ureg emit_combine( struct texenv_fragment_program *p,
+				 struct ureg dest,
+				 GLuint mask,
+				 GLboolean saturate,
+				 GLuint unit,
+				 GLuint nr,
+				 GLuint mode,
+				 const struct mode_opt *opt)
 {
-   ir_rvalue *src[MAX_COMBINER_TERMS];
-   ir_rvalue *tmp0, *tmp1;
+   struct ureg src[MAX_COMBINER_TERMS];
+   struct ureg tmp, half;
    GLuint i;
 
    assert(nr <= MAX_COMBINER_TERMS);
 
    for (i = 0; i < nr; i++)
-      src[i] = emit_combine_source( p, unit, opt[i].Source, opt[i].Operand );
+      src[i] = emit_combine_source( p, mask, unit, opt[i].Source, opt[i].Operand );
 
    switch (mode) {
    case MODE_REPLACE: 
-      return src[0];
-
+      if (mask == WRITEMASK_XYZW && !saturate)
+	 return src[0];
+      else
+	 return emit_arith( p, OPCODE_MOV, dest, mask, saturate, src[0], undef, undef );
    case MODE_MODULATE: 
-      return new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
-
+      return emit_arith( p, OPCODE_MUL, dest, mask, saturate,
+			 src[0], src[1], undef );
    case MODE_ADD: 
-      return new(p->mem_ctx) ir_expression(ir_binop_add, src[0], src[1]);
-
+      return emit_arith( p, OPCODE_ADD, dest, mask, saturate, 
+			 src[0], src[1], undef );
    case MODE_ADD_SIGNED:
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, src[0], src[1]);
-      return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
-					   new(p->mem_ctx) ir_constant(-0.5f));
-
+      /* tmp = arg0 + arg1
+       * result = tmp - .5
+       */
+      half = get_half(p);
+      tmp = get_temp( p );
+      emit_arith( p, OPCODE_ADD, tmp, mask, 0, src[0], src[1], undef );
+      emit_arith( p, OPCODE_SUB, dest, mask, saturate, tmp, half, undef );
+      return dest;
    case MODE_INTERPOLATE: 
-      /* Arg0 * (Arg2) + Arg1 * (1-Arg2) */
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
-
-      tmp1 = new(p->mem_ctx) ir_expression(ir_binop_sub,
-					   new(p->mem_ctx) ir_constant(1.0f),
-					   src[2]->clone(p->mem_ctx, NULL));
-      tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[1], tmp1);
-
-      return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
+      /* Arg0 * (Arg2) + Arg1 * (1-Arg2) -- note arguments are reordered:
+       */
+      return emit_arith( p, OPCODE_LRP, dest, mask, saturate, src[2], src[0], src[1] );
 
    case MODE_SUBTRACT: 
-      return new(p->mem_ctx) ir_expression(ir_binop_sub, src[0], src[1]);
+      return emit_arith( p, OPCODE_SUB, dest, mask, saturate, src[0], src[1], undef );
 
    case MODE_DOT3_RGBA:
    case MODE_DOT3_RGBA_EXT: 
    case MODE_DOT3_RGB_EXT:
    case MODE_DOT3_RGB: {
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0],
-					   new(p->mem_ctx) ir_constant(2.0f));
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
-					   new(p->mem_ctx) ir_constant(-1.0f));
-      tmp0 = new(p->mem_ctx) ir_swizzle(smear(p, tmp0), 0, 1, 2, 3, 3);
-
-      tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[1],
-					   new(p->mem_ctx) ir_constant(2.0f));
-      tmp1 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp1,
-					   new(p->mem_ctx) ir_constant(-1.0f));
-      tmp1 = new(p->mem_ctx) ir_swizzle(smear(p, tmp1), 0, 1, 2, 3, 3);
-
-      return new(p->mem_ctx) ir_expression(ir_binop_dot, tmp0, tmp1);
-   }
-   case MODE_MODULATE_ADD_ATI:
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
-      return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, src[1]);
+      struct ureg tmp0 = get_temp( p );
+      struct ureg tmp1 = get_temp( p );
+      struct ureg neg1 = register_scalar_const(p, -1);
+      struct ureg two  = register_scalar_const(p, 2);
 
-   case MODE_MODULATE_SIGNED_ADD_ATI:
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, src[1]);
-      return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
-					   new(p->mem_ctx) ir_constant(-0.5f));
+      /* tmp0 = 2*src0 - 1
+       * tmp1 = 2*src1 - 1
+       *
+       * dst = tmp0 dot3 tmp1 
+       */
+      emit_arith( p, OPCODE_MAD, tmp0, WRITEMASK_XYZW, 0, 
+		  two, src[0], neg1);
 
+      if (memcmp(&src[0], &src[1], sizeof(struct ureg)) == 0)
+	 tmp1 = tmp0;
+      else
+	 emit_arith( p, OPCODE_MAD, tmp1, WRITEMASK_XYZW, 0, 
+		     two, src[1], neg1);
+      emit_arith( p, OPCODE_DP3, dest, mask, saturate, tmp0, tmp1, undef);
+      return dest;
+   }
+   case MODE_MODULATE_ADD_ATI:
+      /* Arg0 * Arg2 + Arg1 */
+      return emit_arith( p, OPCODE_MAD, dest, mask, saturate,
+			 src[0], src[2], src[1] );
+   case MODE_MODULATE_SIGNED_ADD_ATI: {
+      /* Arg0 * Arg2 + Arg1 - 0.5 */
+      struct ureg tmp0 = get_temp(p);
+      half = get_half(p);
+      emit_arith( p, OPCODE_MAD, tmp0, mask, 0, src[0], src[2], src[1] );
+      emit_arith( p, OPCODE_SUB, dest, mask, saturate, tmp0, half, undef );
+      return dest;
+   }
    case MODE_MODULATE_SUBTRACT_ATI:
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[2]);
-      return new(p->mem_ctx) ir_expression(ir_binop_sub, tmp0, src[1]);
-
+      /* Arg0 * Arg2 - Arg1 */
+      emit_arith( p, OPCODE_MAD, dest, mask, 0, src[0], src[2], negate(src[1]) );
+      return dest;
    case MODE_ADD_PRODUCTS:
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
-      tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[2], src[3]);
-      return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
-
+      /* Arg0 * Arg1 + Arg2 * Arg3 */
+      {
+         struct ureg tmp0 = get_temp(p);
+         emit_arith( p, OPCODE_MUL, tmp0, mask, 0, src[0], src[1], undef );
+         emit_arith( p, OPCODE_MAD, dest, mask, saturate, src[2], src[3], tmp0 );
+      }
+      return dest;
    case MODE_ADD_PRODUCTS_SIGNED:
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[0], src[1]);
-      tmp1 = new(p->mem_ctx) ir_expression(ir_binop_mul, src[2], src[3]);
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add, tmp0, tmp1);
-      return new(p->mem_ctx) ir_expression(ir_binop_add, tmp0,
-					   new(p->mem_ctx) ir_constant(-0.5f));
-
+      /* Arg0 * Arg1 + Arg2 * Arg3 - 0.5 */
+      {
+         struct ureg tmp0 = get_temp(p);
+         half = get_half(p);
+         emit_arith( p, OPCODE_MUL, tmp0, mask, 0, src[0], src[1], undef );
+         emit_arith( p, OPCODE_MAD, tmp0, mask, 0, src[2], src[3], tmp0 );
+         emit_arith( p, OPCODE_SUB, dest, mask, saturate, tmp0, half, undef );
+      }
+      return dest;
    case MODE_BUMP_ENVMAP_ATI:
       /* special - not handled here */
       assert(0);
@@ -772,24 +1155,17 @@ emit_combine(struct texenv_fragment_program *p,
    }
 }
 
-static ir_rvalue *
-saturate(struct texenv_fragment_program *p, ir_rvalue *val)
-{
-   val = new(p->mem_ctx) ir_expression(ir_binop_min, val,
-				       new(p->mem_ctx) ir_constant(1.0f));
-   return new(p->mem_ctx) ir_expression(ir_binop_max, val,
-					new(p->mem_ctx) ir_constant(0.0f));
-}
 
 /**
  * Generate instructions for one texture unit's env/combiner mode.
  */
-static ir_rvalue *
+static struct ureg
 emit_texenv(struct texenv_fragment_program *p, GLuint unit)
 {
    const struct state_key *key = p->state;
    GLboolean rgb_saturate, alpha_saturate;
    GLuint rgb_shift, alpha_shift;
+   struct ureg out, dest;
 
    if (!key->unit[unit].enabled) {
       return get_source(p, SRC_PREVIOUS, 0);
@@ -831,232 +1207,129 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
    else
       alpha_saturate = GL_FALSE;
 
-   ir_variable *temp_var = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
-						       "texenv_combine",
-						       ir_var_temporary);
-   p->instructions->push_tail(temp_var);
-
-   ir_dereference *deref;
-   ir_assignment *assign;
-   ir_rvalue *val;
+   /* If this is the very last calculation (and various other conditions
+    * are met), emit directly to the color output register.  Otherwise,
+    * emit to a temporary register.
+    */
+   if (key->separate_specular ||
+       unit != p->last_tex_stage ||
+       alpha_shift ||
+       key->num_draw_buffers != 1 ||
+       rgb_shift)
+      dest = get_temp( p );
+   else
+      dest = make_ureg(PROGRAM_OUTPUT, FRAG_RESULT_COLOR);
 
    /* Emit the RGB and A combine ops
     */
    if (key->unit[unit].ModeRGB == key->unit[unit].ModeA &&
        args_match(key, unit)) {
-      val = emit_combine(p, unit,
-			 key->unit[unit].NumArgsRGB,
-			 key->unit[unit].ModeRGB,
-			 key->unit[unit].OptRGB);
-      val = smear(p, val);
-      if (rgb_saturate)
-	 val = saturate(p, val);
-
-      deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
-      assign = new(p->mem_ctx) ir_assignment(deref, val, NULL);
-      p->instructions->push_tail(assign);
+      out = emit_combine( p, dest, WRITEMASK_XYZW, rgb_saturate,
+			  unit,
+			  key->unit[unit].NumArgsRGB,
+			  key->unit[unit].ModeRGB,
+			  key->unit[unit].OptRGB);
    }
    else if (key->unit[unit].ModeRGB == MODE_DOT3_RGBA_EXT ||
 	    key->unit[unit].ModeRGB == MODE_DOT3_RGBA) {
-      ir_rvalue *val = emit_combine(p, unit,
-				    key->unit[unit].NumArgsRGB,
-				    key->unit[unit].ModeRGB,
-				    key->unit[unit].OptRGB);
-      val = smear(p, val);
-      if (rgb_saturate)
-	 val = saturate(p, val);
-      deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
-      assign = new(p->mem_ctx) ir_assignment(deref, val, NULL);
-      p->instructions->push_tail(assign);
+      out = emit_combine( p, dest, WRITEMASK_XYZW, rgb_saturate,
+			  unit,
+			  key->unit[unit].NumArgsRGB,
+			  key->unit[unit].ModeRGB,
+			  key->unit[unit].OptRGB);
    }
    else {
       /* Need to do something to stop from re-emitting identical
        * argument calculations here:
        */
-      val = emit_combine(p, unit,
-			 key->unit[unit].NumArgsRGB,
-			 key->unit[unit].ModeRGB,
-			 key->unit[unit].OptRGB);
-      val = smear(p, val);
-      val = new(p->mem_ctx) ir_swizzle(val, 0, 1, 2, 3, 3);
-      if (rgb_saturate)
-	 val = saturate(p, val);
-      deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
-      assign = new(p->mem_ctx) ir_assignment(deref, val, NULL, WRITEMASK_XYZ);
-      p->instructions->push_tail(assign);
-
-      val = emit_combine(p, unit,
-			 key->unit[unit].NumArgsA,
-			 key->unit[unit].ModeA,
-			 key->unit[unit].OptA);
-      val = smear(p, val);
-      val = new(p->mem_ctx) ir_swizzle(val, 3, 3, 3, 3, 1);
-      if (alpha_saturate)
-	 val = saturate(p, val);
-      deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
-      assign = new(p->mem_ctx) ir_assignment(deref, val, NULL, WRITEMASK_W);
-      p->instructions->push_tail(assign);
+      out = emit_combine( p, dest, WRITEMASK_XYZ, rgb_saturate,
+			  unit,
+			  key->unit[unit].NumArgsRGB,
+			  key->unit[unit].ModeRGB,
+			  key->unit[unit].OptRGB);
+      out = emit_combine( p, dest, WRITEMASK_W, alpha_saturate,
+			  unit,
+			  key->unit[unit].NumArgsA,
+			  key->unit[unit].ModeA,
+			  key->unit[unit].OptA);
    }
 
-   deref = new(p->mem_ctx) ir_dereference_variable(temp_var);
-
    /* Deal with the final shift:
     */
    if (alpha_shift || rgb_shift) {
-      ir_constant *shift;
+      struct ureg shift;
+      GLboolean saturate = GL_TRUE;  /* always saturate at this point */
 
       if (rgb_shift == alpha_shift) {
-	 shift = new(p->mem_ctx) ir_constant((float)(1 << rgb_shift));
+	 shift = register_scalar_const(p, (GLfloat)(1<<rgb_shift));
       }
       else {
-	 float const_data[4] = {
-	    1 << rgb_shift,
-	    1 << rgb_shift,
-	    1 << rgb_shift,
-	    1 << alpha_shift
-	 };
-	 shift = new(p->mem_ctx) ir_constant(glsl_type::vec4_type,
-					     (ir_constant_data *)const_data);
+	 shift = register_const4f(p, 
+				  (GLfloat)(1<<rgb_shift),
+				  (GLfloat)(1<<rgb_shift),
+				  (GLfloat)(1<<rgb_shift),
+				  (GLfloat)(1<<alpha_shift));
       }
-
-      return saturate(p, new(p->mem_ctx) ir_expression(ir_binop_mul,
-						       deref, shift));
+      return emit_arith( p, OPCODE_MUL, dest, WRITEMASK_XYZW, 
+			 saturate, out, shift, undef );
    }
    else
-      return deref;
+      return out;
 }
 
 
 /**
  * Generate instruction for getting a texture source term.
  */
- static void load_texture( struct texenv_fragment_program *p, GLuint unit )
- {
-    ir_dereference *deref;
-    ir_assignment *assign;
-
-    if (p->src_texture[unit])
-       return;
-
-    const GLuint texTarget = p->state->unit[unit].source_index;
-    ir_rvalue *texcoord;
-
-    if (p->texcoord_tex[unit]) {
-       texcoord = new(p->mem_ctx) ir_dereference_variable(p->texcoord_tex[unit]);
-    }
-    else {
-       ir_variable *tc_array = p->shader->symbols->get_variable("gl_TexCoord");
-       assert(tc_array);
-       texcoord = new(p->mem_ctx) ir_dereference_variable(tc_array);
-       ir_rvalue *index = new(p->mem_ctx) ir_constant(unit);
-       texcoord = new(p->mem_ctx) ir_dereference_array(texcoord, index);
-       tc_array->max_array_access = MAX2(tc_array->max_array_access, unit);
-    }
-
-    if (!p->state->unit[unit].enabled) {
-       p->src_texture[unit] = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
-							  "dummy_tex",
-							  ir_var_temporary);
-       p->instructions->push_tail(p->src_texture[unit]);
-
-       deref = new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
-       assign = new(p->mem_ctx) ir_assignment(deref,
-					      new(p->mem_ctx) ir_constant(0.0f),
-					      NULL);
-       p->instructions->push_tail(assign);
-       return ;
-    }
-
-    const glsl_type *sampler_type = NULL;
-    int coords = 0;
-
-    switch (texTarget) {
-    case TEXTURE_1D_INDEX:
-       if (p->state->unit[unit].shadow)
-	  sampler_type = p->shader->symbols->get_type("sampler1DShadow");
-       else
-	  sampler_type = p->shader->symbols->get_type("sampler1D");
-       coords = 1;
-       break;
-    case TEXTURE_1D_ARRAY_INDEX:
-       if (p->state->unit[unit].shadow)
-	  sampler_type = p->shader->symbols->get_type("sampler1DArrayShadow");
-       else
-	  sampler_type = p->shader->symbols->get_type("sampler1DArray");
-       coords = 2;
-       break;
-    case TEXTURE_2D_INDEX:
-       if (p->state->unit[unit].shadow)
-	  sampler_type = p->shader->symbols->get_type("sampler2DShadow");
-       else
-	  sampler_type = p->shader->symbols->get_type("sampler2D");
-       coords = 2;
-       break;
-    case TEXTURE_2D_ARRAY_INDEX:
-       if (p->state->unit[unit].shadow)
-	  sampler_type = p->shader->symbols->get_type("sampler2DArrayShadow");
-       else
-	  sampler_type = p->shader->symbols->get_type("sampler2DArray");
-       coords = 3;
-       break;
-    case TEXTURE_RECT_INDEX:
-       if (p->state->unit[unit].shadow)
-	  sampler_type = p->shader->symbols->get_type("sampler2DRectShadow");
-       else
-	  sampler_type = p->shader->symbols->get_type("sampler2DRect");
-       coords = 2;
-       break;
-    case TEXTURE_3D_INDEX:
-       assert(!p->state->unit[unit].shadow);
-       sampler_type = p->shader->symbols->get_type("sampler3D");
-       coords = 3;
-       break;
-    case TEXTURE_CUBE_INDEX:
-       if (p->state->unit[unit].shadow)
-	  sampler_type = p->shader->symbols->get_type("samplerCubeShadow");
-       else
-	  sampler_type = p->shader->symbols->get_type("samplerCube");
-       coords = 3;
-       break;
-    }
-
-    p->src_texture[unit] = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
-						       "tex",
-						       ir_var_temporary);
-    p->instructions->push_tail(p->src_texture[unit]);
-
-    ir_texture *tex = new(p->mem_ctx) ir_texture(ir_tex);
-
-
-    char *sampler_name = ralloc_asprintf(p->mem_ctx, "sampler_%d", unit);
-    ir_variable *sampler = new(p->mem_ctx) ir_variable(sampler_type,
-						       sampler_name,
-						       ir_var_uniform);
-    p->top_instructions->push_head(sampler);
-    deref = new(p->mem_ctx) ir_dereference_variable(sampler);
-    tex->set_sampler(deref);
-
-    tex->coordinate = new(p->mem_ctx) ir_swizzle(texcoord, 0, 1, 2, 3, coords);
-
-    if (p->state->unit[unit].shadow) {
-       texcoord = texcoord->clone(p->mem_ctx, NULL);
-       tex->shadow_comparitor = new(p->mem_ctx) ir_swizzle(texcoord,
-							   coords, 0, 0, 0,
-							   1);
-       coords++;
-    }
-
-    texcoord = texcoord->clone(p->mem_ctx, NULL);
-    tex->projector = new(p->mem_ctx) ir_swizzle(texcoord, 3, 0, 0, 0, 1);
-
-    deref = new(p->mem_ctx) ir_dereference_variable(p->src_texture[unit]);
-    assign = new(p->mem_ctx) ir_assignment(deref, tex, NULL);
-    p->instructions->push_tail(assign);
- }
+static void load_texture( struct texenv_fragment_program *p, GLuint unit )
+{
+   if (is_undef(p->src_texture[unit])) {
+      const GLuint texTarget = p->state->unit[unit].source_index;
+      struct ureg texcoord;
+      struct ureg tmp = get_tex_temp( p );
 
-static void
-load_texenv_source(struct texenv_fragment_program *p,
-		   GLuint src, GLuint unit)
+      if (is_undef(p->texcoord_tex[unit])) {
+         texcoord = register_input(p, FRAG_ATTRIB_TEX0+unit);
+      }
+      else {
+         /* might want to reuse this reg for tex output actually */
+         texcoord = p->texcoord_tex[unit];
+      }
+
+      /* TODO: Use D0_MASK_XY where possible.
+       */
+      if (p->state->unit[unit].enabled) {
+         GLboolean shadow = GL_FALSE;
+
+	 if (p->state->unit[unit].shadow) {
+	    p->program->Base.ShadowSamplers |= 1 << unit;
+            shadow = GL_TRUE;
+         }
+
+	 p->src_texture[unit] = emit_texld( p, OPCODE_TXP,
+					    tmp, WRITEMASK_XYZW, 
+					    unit, texTarget, shadow,
+                                            texcoord );
+
+         p->program->Base.SamplersUsed |= (1 << unit);
+         /* This identity mapping should already be in place
+          * (see _mesa_init_program_struct()) but let's be safe.
+          */
+         p->program->Base.SamplerUnits[unit] = unit;
+      }
+      else
+	 p->src_texture[unit] = get_zero(p);
+
+      if (p->state->unit[unit].texture_cyl_wrap) {
+         /* set flag which is checked by Mesa->Gallium program translation */
+         p->program->Base.InputFlags[0] |= PROG_PARAM_BIT_CYL_WRAP;
+      }
+
+   }
+}
+
+static GLboolean load_texenv_source( struct texenv_fragment_program *p, 
+				     GLuint src, GLuint unit )
 {
    switch (src) {
    case SRC_TEXTURE:
@@ -1078,6 +1351,8 @@ load_texenv_source(struct texenv_fragment_program *p,
       /* not a texture src - do nothing */
       break;
    }
+ 
+   return GL_TRUE;
 }
 
 
@@ -1104,214 +1379,108 @@ load_texunit_sources( struct texenv_fragment_program *p, GLuint unit )
 /**
  * Generate instructions for loading bump map textures.
  */
-static void
+static GLboolean
 load_texunit_bumpmap( struct texenv_fragment_program *p, GLuint unit )
 {
    const struct state_key *key = p->state;
    GLuint bumpedUnitNr = key->unit[unit].OptRGB[1].Source - SRC_TEXTURE0;
-   ir_rvalue *bump;
-   ir_rvalue *texcoord;
-   ir_variable *rot_mat_0_var, *rot_mat_1_var;
-   ir_dereference_variable *rot_mat_0, *rot_mat_1;
-
-   rot_mat_0_var = p->shader->symbols->get_variable("gl_MESABumpRotMatrix0");
-   rot_mat_1_var = p->shader->symbols->get_variable("gl_MESABumpRotMatrix1");
-   rot_mat_0 = new(p->mem_ctx) ir_dereference_variable(rot_mat_0_var);
-   rot_mat_1 = new(p->mem_ctx) ir_dereference_variable(rot_mat_1_var);
-
-   ir_variable *tc_array = p->shader->symbols->get_variable("gl_TexCoord");
-   assert(tc_array);
-   texcoord = new(p->mem_ctx) ir_dereference_variable(tc_array);
-   ir_rvalue *index = new(p->mem_ctx) ir_constant(bumpedUnitNr);
-   texcoord = new(p->mem_ctx) ir_dereference_array(texcoord, index);
-   tc_array->max_array_access = MAX2(tc_array->max_array_access, unit);
+   struct ureg texcDst, bumpMapRes;
+   struct ureg constdudvcolor = register_const4f(p, 0.0, 0.0, 0.0, 1.0);
+   struct ureg texcSrc = register_input(p, FRAG_ATTRIB_TEX0 + bumpedUnitNr);
+   struct ureg rotMat0 = register_param3( p, STATE_INTERNAL, STATE_ROT_MATRIX_0, unit );
+   struct ureg rotMat1 = register_param3( p, STATE_INTERNAL, STATE_ROT_MATRIX_1, unit );
 
    load_texenv_source( p, unit + SRC_TEXTURE0, unit );
 
+   bumpMapRes = get_source(p, key->unit[unit].OptRGB[0].Source, unit);
+   texcDst = get_tex_temp( p );
+   p->texcoord_tex[bumpedUnitNr] = texcDst;
+
    /* Apply rot matrix and add coords to be available in next phase.
-    * dest = Arg1 + (Arg0.xx * rotMat0) + (Arg0.yy * rotMat1)
+    * dest = (Arg0.xxxx * rotMat0 + Arg1) + (Arg0.yyyy * rotMat1)
     * note only 2 coords are affected the rest are left unchanged (mul by 0)
     */
-   ir_dereference *deref;
-   ir_assignment *assign;
-   ir_rvalue *bump_x, *bump_y;
-
-   texcoord = smear(p, texcoord);
-
-   /* bump_texcoord = texcoord */
-   ir_variable *bumped = new(p->mem_ctx) ir_variable(texcoord->type,
-						     "bump_texcoord",
-						     ir_var_temporary);
-   p->instructions->push_tail(bumped);
-
-   deref = new(p->mem_ctx) ir_dereference_variable(bumped);
-   assign = new(p->mem_ctx) ir_assignment(deref, texcoord, NULL);
-   p->instructions->push_tail(assign);
-
-   /* bump_texcoord.xy += arg0.x * rotmat0 + arg0.y * rotmat1 */
-   bump = get_source(p, key->unit[unit].OptRGB[0].Source, unit);
-   bump_x = new(p->mem_ctx) ir_swizzle(bump, 0, 0, 0, 0, 1);
-   bump = bump->clone(p->mem_ctx, NULL);
-   bump_y = new(p->mem_ctx) ir_swizzle(bump, 1, 0, 0, 0, 1);
-
-   bump_x = new(p->mem_ctx) ir_expression(ir_binop_mul, bump_x, rot_mat_0);
-   bump_y = new(p->mem_ctx) ir_expression(ir_binop_mul, bump_y, rot_mat_1);
-
-   ir_expression *expr;
-   expr = new(p->mem_ctx) ir_expression(ir_binop_add, bump_x, bump_y);
-
-   deref = new(p->mem_ctx) ir_dereference_variable(bumped);
-   expr = new(p->mem_ctx) ir_expression(ir_binop_add,
-					new(p->mem_ctx) ir_swizzle(deref,
-								   0, 1, 1, 1,
-								   2),
-					expr);
-
-   deref = new(p->mem_ctx) ir_dereference_variable(bumped);
-   assign = new(p->mem_ctx) ir_assignment(deref, expr, NULL, WRITEMASK_XY);
-   p->instructions->push_tail(assign);
-
-   p->texcoord_tex[bumpedUnitNr] = bumped;
+   emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
+               swizzle1(bumpMapRes, SWIZZLE_X), rotMat0, texcSrc );
+   emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
+               swizzle1(bumpMapRes, SWIZZLE_Y), rotMat1, texcDst );
+
+   /* Move 0,0,0,1 into bumpmap src if someone (crossbar) is foolish
+    * enough to access this later, should optimize away.
+    */
+   emit_arith( p, OPCODE_MOV, bumpMapRes, WRITEMASK_XYZW, 0,
+               constdudvcolor, undef, undef );
+
+   return GL_TRUE;
 }
 
 /**
- * Applies the fog calculations.
- *
- * This is basically like the ARB_fragment_prorgam fog options.  Note
- * that ffvertex_prog.c produces fogcoord for us when
- * GL_FOG_COORDINATE_EXT is set to GL_FRAGMENT_DEPTH_EXT.
+ * Generate a new fragment program which implements the context's
+ * current texture env/combine mode.
  */
-static ir_rvalue *
-emit_fog_instructions(struct texenv_fragment_program *p,
-		      ir_rvalue *fragcolor)
+static void
+create_new_program(struct gl_context *ctx, struct state_key *key,
+                   struct gl_fragment_program *program)
 {
-   struct state_key *key = p->state;
-   ir_rvalue *f, *temp;
-   ir_variable *params, *oparams;
-   ir_variable *fogcoord;
-   ir_assignment *assign;
-
-   /* Temporary storage for the whole fog result.  Fog calculations
-    * only affect rgb so we're hanging on to the .a value of fragcolor
-    * this way.
-    */
-   ir_variable *fog_result = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
-							 "fog_result",
-							 ir_var_auto);
-   p->instructions->push_tail(fog_result);
-   temp = new(p->mem_ctx) ir_dereference_variable(fog_result);
-   assign = new(p->mem_ctx) ir_assignment(temp, fragcolor, NULL);
-   p->instructions->push_tail(assign);
-
-   temp = new(p->mem_ctx) ir_dereference_variable(fog_result);
-   fragcolor = new(p->mem_ctx) ir_swizzle(temp, 0, 1, 2, 3, 3);
-
-   oparams = p->shader->symbols->get_variable("gl_MESAFogParamsOptimized");
-   fogcoord = p->shader->symbols->get_variable("gl_FogFragCoord");
-   params = p->shader->symbols->get_variable("gl_Fog");
-   f = new(p->mem_ctx) ir_dereference_variable(fogcoord);
-
-   ir_variable *f_var = new(p->mem_ctx) ir_variable(glsl_type::float_type,
-						    "fog_factor", ir_var_auto);
-   p->instructions->push_tail(f_var);
-
-   switch (key->fog_mode) {
-   case FOG_LINEAR:
-      /* f = (end - z) / (end - start)
-       *
-       * gl_MesaFogParamsOptimized gives us (-1 / (end - start)) and
-       * (end / (end - start)) so we can generate a single MAD.
-       */
-      temp = new(p->mem_ctx) ir_dereference_variable(oparams);
-      temp = new(p->mem_ctx) ir_swizzle(temp, 0, 0, 0, 0, 1);
-      f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
-
-      temp = new(p->mem_ctx) ir_dereference_variable(oparams);
-      temp = new(p->mem_ctx) ir_swizzle(temp, 1, 0, 0, 0, 1);
-      f = new(p->mem_ctx) ir_expression(ir_binop_add, f, temp);
-      break;
-   case FOG_EXP:
-      /* f = e^(-(density * fogcoord))
-       *
-       * gl_MesaFogParamsOptimized gives us density/ln(2) so we can
-       * use EXP2 which is generally the native instruction without
-       * having to do any further math on the fog density uniform.
-       */
-      temp = new(p->mem_ctx) ir_dereference_variable(oparams);
-      temp = new(p->mem_ctx) ir_swizzle(temp, 2, 0, 0, 0, 1);
-      f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
-      f = new(p->mem_ctx) ir_expression(ir_unop_neg, f);
-      f = new(p->mem_ctx) ir_expression(ir_unop_exp2, f);
-      break;
-   case FOG_EXP2:
-      /* f = e^(-(density * fogcoord)^2)
-       *
-       * gl_MesaFogParamsOptimized gives us density/sqrt(ln(2)) so we
-       * can do this like FOG_EXP but with a squaring after the
-       * multiply by density.
-       */
-      ir_variable *temp_var = new(p->mem_ctx) ir_variable(glsl_type::float_type,
-							  "fog_temp",
-							  ir_var_auto);
-      p->instructions->push_tail(temp_var);
-
-      temp = new(p->mem_ctx) ir_dereference_variable(oparams);
-      temp = new(p->mem_ctx) ir_swizzle(temp, 3, 0, 0, 0, 1);
-      f = new(p->mem_ctx) ir_expression(ir_binop_mul,
-					f, temp);
-
-      temp = new(p->mem_ctx) ir_dereference_variable(temp_var);
-      ir_assignment *assign = new(p->mem_ctx) ir_assignment(temp, f, NULL);
-      p->instructions->push_tail(assign);
-
-      f = new(p->mem_ctx) ir_dereference_variable(temp_var);
-      temp = new(p->mem_ctx) ir_dereference_variable(temp_var);
-      f = new(p->mem_ctx) ir_expression(ir_binop_mul, f, temp);
-      f = new(p->mem_ctx) ir_expression(ir_unop_neg, f);
-      f = new(p->mem_ctx) ir_expression(ir_unop_exp2, f);
-      break;
-   }
-
-   f = saturate(p, f);
+   struct prog_instruction instBuffer[MAX_INSTRUCTIONS];
+   struct texenv_fragment_program p;
+   GLuint unit;
+   struct ureg cf, out;
+   int i;
 
-   temp = new(p->mem_ctx) ir_dereference_variable(f_var);
-   assign = new(p->mem_ctx) ir_assignment(temp, f, NULL);
-   p->instructions->push_tail(assign);
+   memset(&p, 0, sizeof(p));
+   p.state = key;
+   p.program = program;
 
-   f = new(p->mem_ctx) ir_dereference_variable(f_var);
-   f = new(p->mem_ctx) ir_expression(ir_binop_sub,
-				     new(p->mem_ctx) ir_constant(1.0f),
-				     f);
-   temp = new(p->mem_ctx) ir_dereference_variable(params);
-   temp = new(p->mem_ctx) ir_dereference_record(temp, "color");
-   temp = new(p->mem_ctx) ir_swizzle(temp, 0, 1, 2, 3, 3);
-   temp = new(p->mem_ctx) ir_expression(ir_binop_mul, temp, f);
+   /* During code generation, use locally-allocated instruction buffer,
+    * then alloc dynamic storage below.
+    */
+   p.program->Base.Instructions = instBuffer;
+   p.program->Base.Target = GL_FRAGMENT_PROGRAM_ARB;
+   p.program->Base.String = NULL;
+   p.program->Base.NumTexIndirections = 1; /* is this right? */
+   p.program->Base.NumTexInstructions = 0;
+   p.program->Base.NumAluInstructions = 0;
+   p.program->Base.NumInstructions = 0;
+   p.program->Base.NumTemporaries = 0;
+   p.program->Base.NumParameters = 0;
+   p.program->Base.NumAttributes = 0;
+   p.program->Base.NumAddressRegs = 0;
+   p.program->Base.Parameters = _mesa_new_parameter_list();
+   p.program->Base.InputsRead = 0x0;
+
+   if (key->num_draw_buffers == 1)
+      p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR;
+   else {
+      for (i = 0; i < key->num_draw_buffers; i++)
+	 p.program->Base.OutputsWritten |= (1 << (FRAG_RESULT_DATA0 + i));
+   }
 
-   f = new(p->mem_ctx) ir_dereference_variable(f_var);
-   f = new(p->mem_ctx) ir_expression(ir_binop_mul, fragcolor, f);
-   f = new(p->mem_ctx) ir_expression(ir_binop_add, temp, f);
+   for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
+      p.src_texture[unit] = undef;
+      p.texcoord_tex[unit] = undef;
+   }
 
-   ir_dereference *deref = new(p->mem_ctx) ir_dereference_variable(fog_result);
-   assign = new(p->mem_ctx) ir_assignment(deref, f, NULL, WRITEMASK_XYZ);
-   p->instructions->push_tail(assign);
+   p.src_previous = undef;
+   p.half = undef;
+   p.zero = undef;
+   p.one = undef;
 
-   return new(p->mem_ctx) ir_dereference_variable(fog_result);
-}
+   p.last_tex_stage = 0;
+   release_temps(ctx, &p);
 
-static void
-emit_instructions(struct texenv_fragment_program *p)
-{
-   struct state_key *key = p->state;
-   GLuint unit;
+   if (key->enabled_units && key->num_draw_buffers) {
+      GLboolean needbumpstage = GL_FALSE;
 
-   if (key->enabled_units) {
       /* Zeroth pass - bump map textures first */
-      for (unit = 0; unit < key->nr_enabled_units; unit++) {
+      for (unit = 0; unit < key->nr_enabled_units; unit++)
 	 if (key->unit[unit].enabled &&
              key->unit[unit].ModeRGB == MODE_BUMP_ENVMAP_ATI) {
-	    load_texunit_bumpmap(p, unit);
+	    needbumpstage = GL_TRUE;
+	    load_texunit_bumpmap( &p, unit );
 	 }
-      }
+      if (needbumpstage)
+	 p.program->Base.NumTexIndirections++;
 
       /* First pass - to support texture_env_crossbar, first identify
        * all referenced texture sources and emit texld instructions
@@ -1319,157 +1488,104 @@ emit_instructions(struct texenv_fragment_program *p)
        */
       for (unit = 0; unit < key->nr_enabled_units; unit++)
 	 if (key->unit[unit].enabled) {
-	    load_texunit_sources(p, unit);
-	    p->last_tex_stage = unit;
+	    load_texunit_sources( &p, unit );
+	    p.last_tex_stage = unit;
 	 }
 
       /* Second pass - emit combine instructions to build final color:
        */
-      for (unit = 0; unit < key->nr_enabled_units; unit++) {
+      for (unit = 0; unit < key->nr_enabled_units; unit++)
 	 if (key->unit[unit].enabled) {
-	    p->src_previous = emit_texenv(p, unit);
+	    p.src_previous = emit_texenv( &p, unit );
+            reserve_temp(&p, p.src_previous); /* don't re-use this temp reg */
+	    release_temps(ctx, &p);	/* release all temps */
 	 }
-      }
    }
 
-   ir_rvalue *cf = get_source(p, SRC_PREVIOUS, 0);
-   ir_dereference_variable *deref;
-   ir_assignment *assign;
-
-   if (key->separate_specular) {
-      ir_rvalue *tmp0, *tmp1;
-      ir_variable *spec_result = new(p->mem_ctx) ir_variable(glsl_type::vec4_type,
-							    "specular_add",
-							    ir_var_temporary);
-
-      p->instructions->push_tail(spec_result);
-
-      deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
-      assign = new(p->mem_ctx) ir_assignment(deref, cf, NULL);
-      p->instructions->push_tail(assign);
-
-      deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
-      tmp0 = new(p->mem_ctx) ir_swizzle(deref, 0, 1, 2, 3, 3);
+   cf = get_source( &p, SRC_PREVIOUS, 0 );
 
-      ir_variable *secondary =
-	 p->shader->symbols->get_variable("gl_SecondaryColor");
-      assert(secondary);
-      deref = new(p->mem_ctx) ir_dereference_variable(secondary);
-      tmp1 = new(p->mem_ctx) ir_swizzle(deref, 0, 1, 2, 3, 3);
-
-      tmp0 = new(p->mem_ctx) ir_expression(ir_binop_add,
-					  tmp0, tmp1);
-
-      deref = new(p->mem_ctx) ir_dereference_variable(spec_result);
-      assign = new(p->mem_ctx) ir_assignment(deref, tmp0, NULL, WRITEMASK_XYZ);
-      p->instructions->push_tail(assign);
+   for (i = 0; i < key->num_draw_buffers; i++) {
+      if (key->num_draw_buffers == 1)
+	 out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR );
+      else {
+	 out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i );
+      }
 
-      cf = new(p->mem_ctx) ir_dereference_variable(spec_result);
+      if (key->separate_specular) {
+	 /* Emit specular add.
+	  */
+	 struct ureg s = register_input(&p, FRAG_ATTRIB_COL1);
+	 emit_arith( &p, OPCODE_ADD, out, WRITEMASK_XYZ, 0, cf, s, undef );
+	 emit_arith( &p, OPCODE_MOV, out, WRITEMASK_W, 0, cf, undef, undef );
+      }
+      else if (memcmp(&cf, &out, sizeof(cf)) != 0) {
+	 /* Will wind up in here if no texture enabled or a couple of
+	  * other scenarios (GL_REPLACE for instance).
+	  */
+	 emit_arith( &p, OPCODE_MOV, out, WRITEMASK_XYZW, 0, cf, undef, undef );
+      }
    }
+   /* Finish up:
+    */
+   emit_arith( &p, OPCODE_END, undef, WRITEMASK_XYZW, 0, undef, undef, undef);
 
    if (key->fog_enabled) {
-      cf = emit_fog_instructions(p, cf);
+      /* Pull fog mode from struct gl_context, the value in the state key is
+       * a reduced value and not what is expected in FogOption
+       */
+      p.program->FogOption = ctx->Fog.Mode;
+      p.program->Base.InputsRead |= FRAG_BIT_FOGC;
    }
-
-   ir_variable *frag_color = p->shader->symbols->get_variable("gl_FragColor");
-   assert(frag_color);
-   deref = new(p->mem_ctx) ir_dereference_variable(frag_color);
-   assign = new(p->mem_ctx) ir_assignment(deref, cf, NULL);
-   p->instructions->push_tail(assign);
-}
-
-/**
- * Generate a new fragment program which implements the context's
- * current texture env/combine mode.
- */
-static struct gl_shader_program *
-create_new_program(struct gl_context *ctx, struct state_key *key)
-{
-   struct texenv_fragment_program p;
-   unsigned int unit;
-   _mesa_glsl_parse_state *state;
-
-   memset(&p, 0, sizeof(p));
-   p.mem_ctx = ralloc_context(NULL);
-   p.shader = ctx->Driver.NewShader(ctx, 0, GL_FRAGMENT_SHADER);
-   p.shader->ir = new(p.shader) exec_list;
-   state = new(p.shader) _mesa_glsl_parse_state(ctx, GL_FRAGMENT_SHADER,
-						p.shader);
-   p.shader->symbols = state->symbols;
-   p.top_instructions = p.shader->ir;
-   p.instructions = p.shader->ir;
-   p.state = key;
-   p.shader_program = ctx->Driver.NewShaderProgram(ctx, 0);
-
-   state->language_version = 120;
-   _mesa_glsl_initialize_types(state);
-   _mesa_glsl_initialize_variables(p.instructions, state);
-
-   for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
-      p.src_texture[unit] = NULL;
-      p.texcoord_tex[unit] = NULL;
+   else {
+      p.program->FogOption = GL_NONE;
    }
 
-   p.src_previous = NULL;
+   if (p.program->Base.NumTexIndirections > ctx->Const.FragmentProgram.MaxTexIndirections) 
+      program_error(&p, "Exceeded max nr indirect texture lookups");
 
-   p.last_tex_stage = 0;
+   if (p.program->Base.NumTexInstructions > ctx->Const.FragmentProgram.MaxTexInstructions)
+      program_error(&p, "Exceeded max TEX instructions");
 
-   ir_function *main_f = new(p.mem_ctx) ir_function("main");
-   p.instructions->push_tail(main_f);
-   state->symbols->add_function(main_f);
+   if (p.program->Base.NumAluInstructions > ctx->Const.FragmentProgram.MaxAluInstructions)
+      program_error(&p, "Exceeded max ALU instructions");
 
-   ir_function_signature *main_sig =
-      new(p.mem_ctx) ir_function_signature(p.shader->symbols->get_type("void"));
-   main_sig->is_defined = true;
-   main_f->add_signature(main_sig);
+   ASSERT(p.program->Base.NumInstructions <= MAX_INSTRUCTIONS);
 
-   p.instructions = &main_sig->body;
-   if (key->num_draw_buffers)
-      emit_instructions(&p);
-
-   validate_ir_tree(p.shader->ir);
-
-   while (do_common_optimization(p.shader->ir, false, 32))
-      ;
-   reparent_ir(p.shader->ir, p.shader->ir);
+   /* Allocate final instruction array */
+   p.program->Base.Instructions
+      = _mesa_alloc_instructions(p.program->Base.NumInstructions);
+   if (!p.program->Base.Instructions) {
+      _mesa_error(ctx, GL_OUT_OF_MEMORY,
+                  "generating tex env program");
+      return;
+   }
+   _mesa_copy_instructions(p.program->Base.Instructions, instBuffer,
+                           p.program->Base.NumInstructions);
 
-   p.shader->CompileStatus = true;
-   p.shader->Version = state->language_version;
-   p.shader->num_builtins_to_link = state->num_builtins_to_link;
-   p.shader_program->Shaders =
-      (gl_shader **)malloc(sizeof(*p.shader_program->Shaders));
-   p.shader_program->Shaders[0] = p.shader;
-   p.shader_program->NumShaders = 1;
+   if (key->num_draw_buffers && p.program->FogOption) {
+      _mesa_append_fog_code(ctx, p.program);
+      p.program->FogOption = GL_NONE;
+   }
 
-   _mesa_glsl_link_shader(ctx, p.shader_program);
 
-   /* Set the sampler uniforms, and relink to get them into the linked
-    * program.
+   /* Notify driver the fragment program has (actually) changed.
     */
-   struct gl_fragment_program *fp = p.shader_program->FragmentProgram;
-   for (unsigned int i = 0; i < MAX_TEXTURE_UNITS; i++) {
-      char *name = ralloc_asprintf(p.mem_ctx, "sampler_%d", i);
-      int loc = _mesa_get_uniform_location(ctx, p.shader_program, name);
-      if (loc != -1) {
-	 /* Avoid using _mesa_uniform() because it flags state
-	  * updates, so if we're generating this shader_program in a
-	  * state update, we end up recursing.  Instead, just set the
-	  * value, which is picked up at re-link.
-	  */
-	 loc = (loc & 0xffff) + (loc >> 16);
-	 int sampler = fp->Base.Parameters->ParameterValues[loc][0];
-	 fp->Base.SamplerUnits[sampler] = i;
-      }
+   if (ctx->Driver.ProgramStringNotify) {
+      GLboolean ok = ctx->Driver.ProgramStringNotify(ctx,
+                                                     GL_FRAGMENT_PROGRAM_ARB, 
+                                                     &p.program->Base);
+      /* Driver should be able to handle any texenv programs as long as
+       * the driver correctly reported max number of texture units correctly,
+       * etc.
+       */
+      ASSERT(ok);
+      (void) ok; /* silence unused var warning */
    }
-   _mesa_update_shader_textures_used(&fp->Base);
-   (void) ctx->Driver.ProgramStringNotify(ctx, fp->Base.Target, &fp->Base);
 
-   if (!p.shader_program->LinkStatus)
-      _mesa_problem(ctx, "Failed to link fixed function fragment shader: %s\n",
-		    p.shader_program->InfoLog);
-
-   ralloc_free(p.mem_ctx);
-   return p.shader_program;
+   if (DISASSEM) {
+      _mesa_print_program(&p.program->Base);
+      printf("\n");
+   }
 }
 
 extern "C" {
@@ -1478,27 +1594,30 @@ extern "C" {
  * Return a fragment program which implements the current
  * fixed-function texture, fog and color-sum operations.
  */
-struct gl_shader_program *
+struct gl_fragment_program *
 _mesa_get_fixed_func_fragment_program(struct gl_context *ctx)
 {
-   struct gl_shader_program *shader_program;
+   struct gl_fragment_program *prog;
    struct state_key key;
    GLuint keySize;
-
+	
    keySize = make_state_key(ctx, &key);
-
-   shader_program = (struct gl_shader_program *)
+      
+   prog = (struct gl_fragment_program *)
       _mesa_search_program_cache(ctx->FragmentProgram.Cache,
                                  &key, keySize);
 
-   if (!shader_program) {
-      shader_program = create_new_program(ctx, &key);
+   if (!prog) {
+      prog = (struct gl_fragment_program *) 
+         ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
+
+      create_new_program(ctx, &key, prog);
 
-      _mesa_shader_cache_insert(ctx, ctx->FragmentProgram.Cache,
-				&key, keySize, shader_program);
+      _mesa_program_cache_insert(ctx, ctx->FragmentProgram.Cache,
+                                 &key, keySize, &prog->Base);
    }
 
-   return shader_program;
+   return prog;
 }
 
 }
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 520d96689..39b6f72cc 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2191,7 +2191,6 @@ struct gl_shader_state
    struct gl_shader_program *CurrentVertexProgram;
    struct gl_shader_program *CurrentGeometryProgram;
    struct gl_shader_program *CurrentFragmentProgram;
-   struct gl_shader_program *_CurrentFragmentProgram;
 
    /**
     * Program used by glUniform calls.
diff --git a/mesalib/src/mesa/main/state.c b/mesalib/src/mesa/main/state.c
index 5651e3263..f50f2af1e 100644
--- a/mesalib/src/mesa/main/state.c
+++ b/mesalib/src/mesa/main/state.c
@@ -43,7 +43,6 @@
 #include "pixel.h"
 #include "program/program.h"
 #include "program/prog_parameter.h"
-#include "shaderobj.h"
 #include "state.h"
 #include "stencil.h"
 #include "texenvprogram.h"
@@ -250,7 +249,7 @@ update_program(struct gl_context *ctx)
 {
    const struct gl_shader_program *vsProg = ctx->Shader.CurrentVertexProgram;
    const struct gl_shader_program *gsProg = ctx->Shader.CurrentGeometryProgram;
-   struct gl_shader_program *fsProg = ctx->Shader.CurrentFragmentProgram;
+   const struct gl_shader_program *fsProg = ctx->Shader.CurrentFragmentProgram;
    const struct gl_vertex_program *prevVP = ctx->VertexProgram._Current;
    const struct gl_fragment_program *prevFP = ctx->FragmentProgram._Current;
    const struct gl_geometry_program *prevGP = ctx->GeometryProgram._Current;
@@ -276,31 +275,23 @@ update_program(struct gl_context *ctx)
       /* Use shader programs */
       _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
                                fsProg->FragmentProgram);
-      _mesa_reference_shader_program(ctx, &ctx->Shader._CurrentFragmentProgram,
-				     fsProg);
    }
    else if (ctx->FragmentProgram._Enabled) {
-      /* use user-defined fragment program */
+      /* use user-defined vertex program */
       _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
                                ctx->FragmentProgram.Current);
-      _mesa_reference_shader_program(ctx, &ctx->Shader._CurrentFragmentProgram,
-				     NULL);
    }
    else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
       /* Use fragment program generated from fixed-function state.
        */
-      struct gl_shader_program *f = _mesa_get_fixed_func_fragment_program(ctx);
-      _mesa_reference_shader_program(ctx,
-				     &ctx->Shader._CurrentFragmentProgram, f);
-
       _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
-                               f->FragmentProgram);
+                               _mesa_get_fixed_func_fragment_program(ctx));
+      _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
+                               ctx->FragmentProgram._Current);
    }
    else {
       /* no fragment program */
       _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
-      _mesa_reference_shader_program(ctx, &ctx->Shader._CurrentFragmentProgram,
-				     NULL);
    }
 
    if (gsProg && gsProg->LinkStatus && gsProg->GeometryProgram) {
diff --git a/mesalib/src/mesa/main/texenvprogram.h b/mesalib/src/mesa/main/texenvprogram.h
index dba775feb..0895ebacb 100644
--- a/mesalib/src/mesa/main/texenvprogram.h
+++ b/mesalib/src/mesa/main/texenvprogram.h
@@ -29,7 +29,7 @@
 
 struct gl_context;
 
-extern struct gl_shader_program *
+extern struct gl_fragment_program *
 _mesa_get_fixed_func_fragment_program(struct gl_context *ctx);
 
 #endif
diff --git a/mesalib/src/mesa/program/program.c b/mesalib/src/mesa/program/program.c
index 43f894a9b..6c97787e8 100644
--- a/mesalib/src/mesa/program/program.c
+++ b/mesalib/src/mesa/program/program.c
@@ -140,7 +140,7 @@ _mesa_free_program_data(struct gl_context *ctx)
 #endif
 #if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program
    _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, NULL);
-   _mesa_delete_shader_cache(ctx, ctx->FragmentProgram.Cache);
+   _mesa_delete_program_cache(ctx, ctx->FragmentProgram.Cache);
 #endif
 #if FEATURE_ARB_geometry_shader4
    _mesa_reference_geomprog(ctx, &ctx->GeometryProgram.Current, NULL);
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index 0e0c4326e..0130c7a5a 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -1,579 +1,601 @@
-/**************************************************************************
- * 
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- * 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 TUNGSTEN GRAPHICS 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.
- * 
- **************************************************************************/
-
- /*
-  * Authors:
-  *   Keith Whitwell <keith@tungstengraphics.com>
-  *   Brian Paul
-  *   Michel Dänzer
-  */
-
-#include "main/glheader.h"
-#include "main/formats.h"
-#include "main/macros.h"
-#include "program/prog_instruction.h"
-#include "st_context.h"
-#include "st_atom.h"
-#include "st_cb_accum.h"
-#include "st_cb_clear.h"
-#include "st_cb_fbo.h"
-#include "st_format.h"
-#include "st_program.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_shader_tokens.h"
-#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
-#include "util/u_format.h"
-#include "util/u_inlines.h"
-#include "util/u_simple_shaders.h"
-#include "util/u_draw_quad.h"
-
-#include "cso_cache/cso_context.h"
-
-
-/**
- * Do per-context initialization for glClear.
- */
-void
-st_init_clear(struct st_context *st)
-{
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *pscreen = st->pipe->screen;
-
-   memset(&st->clear, 0, sizeof(st->clear));
-
-   st->clear.raster.gl_rasterization_rules = 1;
-   st->clear.enable_ds_separate = pscreen->get_param(pscreen, PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE);
-
-   /* fragment shader state: color pass-through program */
-   st->clear.fs = util_make_fragment_passthrough_shader(pipe);
-
-   /* vertex shader state: color/position pass-through */
-   {
-      const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
-                                      TGSI_SEMANTIC_COLOR };
-      const uint semantic_indexes[] = { 0, 0 };
-      st->clear.vs = util_make_vertex_passthrough_shader(pipe, 2,
-                                                         semantic_names,
-                                                         semantic_indexes);
-   }
-}
-
-
-/**
- * Free per-context state for glClear.
- */
-void
-st_destroy_clear(struct st_context *st)
-{
-   if (st->clear.fs) {
-      cso_delete_fragment_shader(st->cso_context, st->clear.fs);
-      st->clear.fs = NULL;
-   }
-   if (st->clear.vs) {
-      cso_delete_vertex_shader(st->cso_context, st->clear.vs);
-      st->clear.vs = NULL;
-   }
-   if (st->clear.vbuf) {
-      pipe_resource_reference(&st->clear.vbuf, NULL);
-      st->clear.vbuf = NULL;
-   }
-}
-
-
-/**
- * Draw a screen-aligned quadrilateral.
- * Coords are clip coords with y=0=bottom.
- */
-static void
-draw_quad(struct st_context *st,
-          float x0, float y0, float x1, float y1, GLfloat z,
-          const GLfloat color[4])
-{
-   struct pipe_context *pipe = st->pipe;
-
-   /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as
-    * no_flush) updates to buffers where we know there is no conflict
-    * with previous data.  Currently using max_slots > 1 will cause
-    * synchronous rendering if the driver flushes its command buffers
-    * between one bitmap and the next.  Our flush hook below isn't
-    * sufficient to catch this as the driver doesn't tell us when it
-    * flushes its own command buffers.  Until this gets fixed, pay the
-    * price of allocating a new buffer for each bitmap cache-flush to
-    * avoid synchronous rendering.
-    */
-   const GLuint max_slots = 1; /* 1024 / sizeof(st->clear.vertices); */
-   GLuint i;
-
-   if (st->clear.vbuf_slot >= max_slots) {
-      pipe_resource_reference(&st->clear.vbuf, NULL);
-      st->clear.vbuf_slot = 0;
-   }
-
-   if (!st->clear.vbuf) {
-      st->clear.vbuf = pipe_buffer_create(pipe->screen,
-                                          PIPE_BIND_VERTEX_BUFFER,
-                                          PIPE_USAGE_STREAM,
-                                          max_slots * sizeof(st->clear.vertices));
-   }
-
-   /* positions */
-   st->clear.vertices[0][0][0] = x0;
-   st->clear.vertices[0][0][1] = y0;
-
-   st->clear.vertices[1][0][0] = x1;
-   st->clear.vertices[1][0][1] = y0;
-
-   st->clear.vertices[2][0][0] = x1;
-   st->clear.vertices[2][0][1] = y1;
-
-   st->clear.vertices[3][0][0] = x0;
-   st->clear.vertices[3][0][1] = y1;
-
-   /* same for all verts: */
-   for (i = 0; i < 4; i++) {
-      st->clear.vertices[i][0][2] = z;
-      st->clear.vertices[i][0][3] = 1.0;
-      st->clear.vertices[i][1][0] = color[0];
-      st->clear.vertices[i][1][1] = color[1];
-      st->clear.vertices[i][1][2] = color[2];
-      st->clear.vertices[i][1][3] = color[3];
-   }
-
-   /* put vertex data into vbuf */
-   pipe_buffer_write_nooverlap(st->pipe, st->clear.vbuf,
-                                           st->clear.vbuf_slot
-                                             * sizeof(st->clear.vertices),
-                                           sizeof(st->clear.vertices),
-                                           st->clear.vertices);
-
-   /* draw */
-   util_draw_vertex_buffer(pipe,
-                           st->cso_context,
-                           st->clear.vbuf, 
-                           st->clear.vbuf_slot * sizeof(st->clear.vertices),
-                           PIPE_PRIM_TRIANGLE_FAN,
-                           4,  /* verts */
-                           2); /* attribs/vert */
-
-   /* Increment slot */
-   st->clear.vbuf_slot++;
-}
-
-
-
-/**
- * Do glClear by drawing a quadrilateral.
- * The vertices of the quad will be computed from the
- * ctx->DrawBuffer->_X/Ymin/max fields.
- */
-static void
-clear_with_quad(struct gl_context *ctx,
-                GLboolean color, GLboolean depth, GLboolean stencil)
-{
-   struct st_context *st = st_context(ctx);
-   const struct gl_framebuffer *fb = ctx->DrawBuffer;
-   const GLfloat fb_width = (GLfloat) fb->Width;
-   const GLfloat fb_height = (GLfloat) fb->Height;
-   const GLfloat x0 = (GLfloat) ctx->DrawBuffer->_Xmin / fb_width * 2.0f - 1.0f;
-   const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax / fb_width * 2.0f - 1.0f;
-   const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin / fb_height * 2.0f - 1.0f;
-   const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax / fb_height * 2.0f - 1.0f;
-   float clearColor[4];
-
-   /*
-   printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__, 
-	  color ? "color, " : "",
-	  depth ? "depth, " : "",
-	  stencil ? "stencil" : "",
-	  x0, y0,
-	  x1, y1);
-   */
-
-   cso_save_blend(st->cso_context);
-   cso_save_stencil_ref(st->cso_context);
-   cso_save_depth_stencil_alpha(st->cso_context);
-   cso_save_rasterizer(st->cso_context);
-   cso_save_viewport(st->cso_context);
-   cso_save_clip(st->cso_context);
-   cso_save_fragment_shader(st->cso_context);
-   cso_save_vertex_shader(st->cso_context);
-   cso_save_vertex_elements(st->cso_context);
-   cso_save_vertex_buffers(st->cso_context);
-
-   /* blend state: RGBA masking */
-   {
-      struct pipe_blend_state blend;
-      memset(&blend, 0, sizeof(blend));
-      blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
-      blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
-      blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
-      blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
-      if (color) {
-         if (ctx->Color.ColorMask[0][0])
-            blend.rt[0].colormask |= PIPE_MASK_R;
-         if (ctx->Color.ColorMask[0][1])
-            blend.rt[0].colormask |= PIPE_MASK_G;
-         if (ctx->Color.ColorMask[0][2])
-            blend.rt[0].colormask |= PIPE_MASK_B;
-         if (ctx->Color.ColorMask[0][3])
-            blend.rt[0].colormask |= PIPE_MASK_A;
-         if (st->ctx->Color.DitherFlag)
-            blend.dither = 1;
-      }
-      cso_set_blend(st->cso_context, &blend);
-   }
-
-   /* depth_stencil state: always pass/set to ref value */
-   {
-      struct pipe_depth_stencil_alpha_state depth_stencil;
-      memset(&depth_stencil, 0, sizeof(depth_stencil));
-      if (depth) {
-         depth_stencil.depth.enabled = 1;
-         depth_stencil.depth.writemask = 1;
-         depth_stencil.depth.func = PIPE_FUNC_ALWAYS;
-      }
-
-      if (stencil) {
-         struct pipe_stencil_ref stencil_ref;
-         memset(&stencil_ref, 0, sizeof(stencil_ref));
-         depth_stencil.stencil[0].enabled = 1;
-         depth_stencil.stencil[0].func = PIPE_FUNC_ALWAYS;
-         depth_stencil.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
-         depth_stencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
-         depth_stencil.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
-         depth_stencil.stencil[0].valuemask = 0xff;
-         depth_stencil.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff;
-         stencil_ref.ref_value[0] = ctx->Stencil.Clear;
-         cso_set_stencil_ref(st->cso_context, &stencil_ref);
-      }
-
-      cso_set_depth_stencil_alpha(st->cso_context, &depth_stencil);
-   }
-
-   cso_set_vertex_elements(st->cso_context, 2, st->velems_util_draw);
-
-   cso_set_rasterizer(st->cso_context, &st->clear.raster);
-
-   /* viewport state: viewport matching window dims */
-   {
-      const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP);
-      struct pipe_viewport_state vp;
-      vp.scale[0] = 0.5f * fb_width;
-      vp.scale[1] = fb_height * (invert ? -0.5f : 0.5f);
-      vp.scale[2] = 1.0f;
-      vp.scale[3] = 1.0f;
-      vp.translate[0] = 0.5f * fb_width;
-      vp.translate[1] = 0.5f * fb_height;
-      vp.translate[2] = 0.0f;
-      vp.translate[3] = 0.0f;
-      cso_set_viewport(st->cso_context, &vp);
-   }
-
-   cso_set_clip(st->cso_context, &st->clear.clip);
-   cso_set_fragment_shader_handle(st->cso_context, st->clear.fs);
-   cso_set_vertex_shader_handle(st->cso_context, st->clear.vs);
-
-   if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
-      st_translate_color(ctx->Color.ClearColor,
-                         ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
-                         clearColor);
-   }
-
-   /* draw quad matching scissor rect */
-   draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, clearColor);
-
-   /* Restore pipe state */
-   cso_restore_blend(st->cso_context);
-   cso_restore_stencil_ref(st->cso_context);
-   cso_restore_depth_stencil_alpha(st->cso_context);
-   cso_restore_rasterizer(st->cso_context);
-   cso_restore_viewport(st->cso_context);
-   cso_restore_clip(st->cso_context);
-   cso_restore_fragment_shader(st->cso_context);
-   cso_restore_vertex_shader(st->cso_context);
-   cso_restore_vertex_elements(st->cso_context);
-   cso_restore_vertex_buffers(st->cso_context);
-}
-
-
-/**
- * Determine if we need to clear the depth buffer by drawing a quad.
- */
-static INLINE GLboolean
-check_clear_color_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb)
-{
-   if (ctx->Scissor.Enabled &&
-       (ctx->Scissor.X != 0 ||
-        ctx->Scissor.Y != 0 ||
-        ctx->Scissor.Width < rb->Width ||
-        ctx->Scissor.Height < rb->Height))
-      return GL_TRUE;
-
-   if (!ctx->Color.ColorMask[0][0] ||
-       !ctx->Color.ColorMask[0][1] ||
-       !ctx->Color.ColorMask[0][2] ||
-       !ctx->Color.ColorMask[0][3])
-      return GL_TRUE;
-
-   return GL_FALSE;
-}
-
-
-/**
- * Determine if we need to clear the combiend depth/stencil buffer by
- * drawing a quad.
- */
-static INLINE GLboolean
-check_clear_depth_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb)
-{
-   const GLuint stencilMax = 0xff;
-   GLboolean maskStencil
-      = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax;
-
-   assert(rb->Format == MESA_FORMAT_S8 ||
-          rb->Format == MESA_FORMAT_Z24_S8 ||
-          rb->Format == MESA_FORMAT_S8_Z24);
-
-   if (ctx->Scissor.Enabled &&
-       (ctx->Scissor.X != 0 ||
-        ctx->Scissor.Y != 0 ||
-        ctx->Scissor.Width < rb->Width ||
-        ctx->Scissor.Height < rb->Height))
-      return GL_TRUE;
-
-   if (maskStencil)
-      return GL_TRUE;
-
-   return GL_FALSE;
-}
-
-
-/**
- * Determine if we need to clear the depth buffer by drawing a quad.
- */
-static INLINE GLboolean
-check_clear_depth_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb,
-                            boolean ds_separate)
-{
-   const struct st_renderbuffer *strb = st_renderbuffer(rb);
-   const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format);
-
-   if (ctx->Scissor.Enabled &&
-       (ctx->Scissor.X != 0 ||
-        ctx->Scissor.Y != 0 ||
-        ctx->Scissor.Width < rb->Width ||
-        ctx->Scissor.Height < rb->Height))
-      return GL_TRUE;
-
-   if (!ds_separate && isDS && ctx->DrawBuffer->Visual.stencilBits > 0)
-      return GL_TRUE;
-
-   return GL_FALSE;
-}
-
-
-/**
- * Determine if we need to clear the stencil buffer by drawing a quad.
- */
-static INLINE GLboolean
-check_clear_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb,
-                              boolean ds_separate)
-{
-   const struct st_renderbuffer *strb = st_renderbuffer(rb);
-   const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format);
-   const GLuint stencilMax = 0xff;
-   const GLboolean maskStencil
-      = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax;
-
-   assert(rb->Format == MESA_FORMAT_S8 ||
-          rb->Format == MESA_FORMAT_Z24_S8 ||
-          rb->Format == MESA_FORMAT_S8_Z24);
-
-   if (maskStencil) 
-      return GL_TRUE;
-
-   if (ctx->Scissor.Enabled &&
-       (ctx->Scissor.X != 0 ||
-        ctx->Scissor.Y != 0 ||
-        ctx->Scissor.Width < rb->Width ||
-        ctx->Scissor.Height < rb->Height))
-      return GL_TRUE;
-
-   /* This is correct, but it is necessary to look at the depth clear
-    * value held in the surface when it comes time to issue the clear,
-    * rather than taking depth and stencil clear values from the
-    * current state.
-    */
-   if (!ds_separate && isDS && ctx->DrawBuffer->Visual.depthBits > 0)
-      return GL_TRUE;
-
-   return GL_FALSE;
-}
-
-
-
-/**
- * Called when we need to flush.
- */
-void
-st_flush_clear(struct st_context *st)
-{
-   /* Release vertex buffer to avoid synchronous rendering if we were
-    * to map it in the next frame.
-    */
-   pipe_resource_reference(&st->clear.vbuf, NULL);
-   st->clear.vbuf_slot = 0;
-}
- 
-
-
-/**
- * Called via ctx->Driver.Clear()
- */
-static void
-st_Clear(struct gl_context *ctx, GLbitfield mask)
-{
-   static const GLbitfield BUFFER_BITS_DS
-      = (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
-   struct st_context *st = st_context(ctx);
-   struct gl_renderbuffer *depthRb
-      = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
-   struct gl_renderbuffer *stencilRb
-      = ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
-   GLbitfield quad_buffers = 0x0;
-   GLbitfield clear_buffers = 0x0;
-   GLuint i;
-
-   /* This makes sure the pipe has the latest scissor, etc values */
-   st_validate_state( st );
-
-   if (mask & BUFFER_BITS_COLOR) {
-      for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
-         GLuint b = ctx->DrawBuffer->_ColorDrawBufferIndexes[i];
-
-         if (mask & (1 << b)) {
-            struct gl_renderbuffer *rb
-               = ctx->DrawBuffer->Attachment[b].Renderbuffer;
-            struct st_renderbuffer *strb = st_renderbuffer(rb);
-
-            if (!strb || !strb->surface)
-               continue;
-
-            if (check_clear_color_with_quad( ctx, rb ))
-               quad_buffers |= PIPE_CLEAR_COLOR;
-            else
-               clear_buffers |= PIPE_CLEAR_COLOR;
-         }
-      }
-   }
-
-   if ((mask & BUFFER_BITS_DS) == BUFFER_BITS_DS && depthRb == stencilRb) {
-      /* clearing combined depth + stencil */
-      struct st_renderbuffer *strb = st_renderbuffer(depthRb);
-
-      if (strb->surface) {
-         if (check_clear_depth_stencil_with_quad(ctx, depthRb))
-            quad_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
-         else
-            clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
-      }
-   }
-   else {
-      /* separate depth/stencil clears */
-      /* I don't think truly separate buffers are actually possible in gallium or hw? */
-      if (mask & BUFFER_BIT_DEPTH) {
-         struct st_renderbuffer *strb = st_renderbuffer(depthRb);
-
-         if (strb->surface) {
-            if (check_clear_depth_with_quad(ctx, depthRb,
-                                            st->clear.enable_ds_separate))
-               quad_buffers |= PIPE_CLEAR_DEPTH;
-            else
-               clear_buffers |= PIPE_CLEAR_DEPTH;
-         }
-      }
-      if (mask & BUFFER_BIT_STENCIL) {
-         struct st_renderbuffer *strb = st_renderbuffer(stencilRb);
-
-         if (strb->surface) {
-            if (check_clear_stencil_with_quad(ctx, stencilRb,
-                                              st->clear.enable_ds_separate))
-               quad_buffers |= PIPE_CLEAR_STENCIL;
-            else
-               clear_buffers |= PIPE_CLEAR_STENCIL;
-         }
-      }
-   }
-
-   /*
-    * If we're going to use clear_with_quad() for any reason, use it for
-    * everything possible.
-    */
-   if (quad_buffers) {
-      quad_buffers |= clear_buffers;
-      clear_with_quad(ctx,
-                      quad_buffers & PIPE_CLEAR_COLOR,
-                      quad_buffers & PIPE_CLEAR_DEPTH,
-                      quad_buffers & PIPE_CLEAR_STENCIL);
-   } else if (clear_buffers) {
-      /* driver cannot know it can clear everything if the buffer
-       * is a combined depth/stencil buffer but this wasn't actually
-       * required from the visual. Hence fix this up to avoid potential
-       * read-modify-write in the driver.
-       */
-      float clearColor[4];
-
-      if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) &&
-          ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
-          (depthRb == stencilRb) &&
-          (ctx->DrawBuffer->Visual.depthBits == 0 ||
-           ctx->DrawBuffer->Visual.stencilBits == 0))
-         clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
-
-      if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
-         st_translate_color(ctx->Color.ClearColor,
-                            ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
-                            clearColor);
-      }
-
-      st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor,
-                      ctx->Depth.Clear, ctx->Stencil.Clear);
-   }
-   if (mask & BUFFER_BIT_ACCUM)
-      st_clear_accum_buffer(ctx,
-                            ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer);
-}
-
-
-void
-st_init_clear_functions(struct dd_function_table *functions)
-{
-   functions->Clear = st_Clear;
-}
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 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 TUNGSTEN GRAPHICS 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.
+ * 
+ **************************************************************************/
+
+ /*
+  * Authors:
+  *   Keith Whitwell <keith@tungstengraphics.com>
+  *   Brian Paul
+  *   Michel Dänzer
+  */
+
+#include "main/glheader.h"
+#include "main/formats.h"
+#include "main/macros.h"
+#include "program/prog_instruction.h"
+#include "st_context.h"
+#include "st_atom.h"
+#include "st_cb_accum.h"
+#include "st_cb_clear.h"
+#include "st_cb_fbo.h"
+#include "st_format.h"
+#include "st_program.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "util/u_format.h"
+#include "util/u_inlines.h"
+#include "util/u_simple_shaders.h"
+#include "util/u_draw_quad.h"
+
+#include "cso_cache/cso_context.h"
+
+
+/**
+ * Do per-context initialization for glClear.
+ */
+void
+st_init_clear(struct st_context *st)
+{
+   struct pipe_screen *pscreen = st->pipe->screen;
+
+   memset(&st->clear, 0, sizeof(st->clear));
+
+   st->clear.raster.gl_rasterization_rules = 1;
+   st->clear.enable_ds_separate = pscreen->get_param(pscreen, PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE);
+}
+
+
+/**
+ * Free per-context state for glClear.
+ */
+void
+st_destroy_clear(struct st_context *st)
+{
+   if (st->clear.fs) {
+      cso_delete_fragment_shader(st->cso_context, st->clear.fs);
+      st->clear.fs = NULL;
+   }
+   if (st->clear.vs) {
+      cso_delete_vertex_shader(st->cso_context, st->clear.vs);
+      st->clear.vs = NULL;
+   }
+   if (st->clear.vbuf) {
+      pipe_resource_reference(&st->clear.vbuf, NULL);
+      st->clear.vbuf = NULL;
+   }
+}
+
+
+/**
+ * Helper function to set the fragment shaders.
+ */
+static INLINE void
+set_fragment_shader(struct st_context *st)
+{
+   if (!st->clear.fs)
+      st->clear.fs = util_make_fragment_passthrough_shader(st->pipe);
+
+   cso_set_fragment_shader_handle(st->cso_context, st->clear.fs);
+}
+
+
+/**
+ * Helper function to set the vertex shader.
+ */
+static INLINE void
+set_vertex_shader(struct st_context *st)
+{
+   /* vertex shader - still required to provide the linkage between
+    * fragment shader input semantics and vertex_element/buffers.
+    */
+   if (!st->clear.vs)
+   {
+      const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+                                      TGSI_SEMANTIC_COLOR };
+      const uint semantic_indexes[] = { 0, 0 };
+      st->clear.vs = util_make_vertex_passthrough_shader(st->pipe, 2,
+                                                         semantic_names,
+                                                         semantic_indexes);
+   }
+
+   cso_set_vertex_shader_handle(st->cso_context, st->clear.vs);
+}
+
+
+/**
+ * Draw a screen-aligned quadrilateral.
+ * Coords are clip coords with y=0=bottom.
+ */
+static void
+draw_quad(struct st_context *st,
+          float x0, float y0, float x1, float y1, GLfloat z,
+          const GLfloat color[4])
+{
+   struct pipe_context *pipe = st->pipe;
+
+   /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as
+    * no_flush) updates to buffers where we know there is no conflict
+    * with previous data.  Currently using max_slots > 1 will cause
+    * synchronous rendering if the driver flushes its command buffers
+    * between one bitmap and the next.  Our flush hook below isn't
+    * sufficient to catch this as the driver doesn't tell us when it
+    * flushes its own command buffers.  Until this gets fixed, pay the
+    * price of allocating a new buffer for each bitmap cache-flush to
+    * avoid synchronous rendering.
+    */
+   const GLuint max_slots = 1; /* 1024 / sizeof(st->clear.vertices); */
+   GLuint i;
+
+   if (st->clear.vbuf_slot >= max_slots) {
+      pipe_resource_reference(&st->clear.vbuf, NULL);
+      st->clear.vbuf_slot = 0;
+   }
+
+   if (!st->clear.vbuf) {
+      st->clear.vbuf = pipe_buffer_create(pipe->screen,
+                                          PIPE_BIND_VERTEX_BUFFER,
+                                          PIPE_USAGE_STREAM,
+                                          max_slots * sizeof(st->clear.vertices));
+   }
+
+   /* positions */
+   st->clear.vertices[0][0][0] = x0;
+   st->clear.vertices[0][0][1] = y0;
+
+   st->clear.vertices[1][0][0] = x1;
+   st->clear.vertices[1][0][1] = y0;
+
+   st->clear.vertices[2][0][0] = x1;
+   st->clear.vertices[2][0][1] = y1;
+
+   st->clear.vertices[3][0][0] = x0;
+   st->clear.vertices[3][0][1] = y1;
+
+   /* same for all verts: */
+   for (i = 0; i < 4; i++) {
+      st->clear.vertices[i][0][2] = z;
+      st->clear.vertices[i][0][3] = 1.0;
+      st->clear.vertices[i][1][0] = color[0];
+      st->clear.vertices[i][1][1] = color[1];
+      st->clear.vertices[i][1][2] = color[2];
+      st->clear.vertices[i][1][3] = color[3];
+   }
+
+   /* put vertex data into vbuf */
+   pipe_buffer_write_nooverlap(st->pipe, st->clear.vbuf,
+                                           st->clear.vbuf_slot
+                                             * sizeof(st->clear.vertices),
+                                           sizeof(st->clear.vertices),
+                                           st->clear.vertices);
+
+   /* draw */
+   util_draw_vertex_buffer(pipe,
+                           st->cso_context,
+                           st->clear.vbuf, 
+                           st->clear.vbuf_slot * sizeof(st->clear.vertices),
+                           PIPE_PRIM_TRIANGLE_FAN,
+                           4,  /* verts */
+                           2); /* attribs/vert */
+
+   /* Increment slot */
+   st->clear.vbuf_slot++;
+}
+
+
+
+/**
+ * Do glClear by drawing a quadrilateral.
+ * The vertices of the quad will be computed from the
+ * ctx->DrawBuffer->_X/Ymin/max fields.
+ */
+static void
+clear_with_quad(struct gl_context *ctx,
+                GLboolean color, GLboolean depth, GLboolean stencil)
+{
+   struct st_context *st = st_context(ctx);
+   const struct gl_framebuffer *fb = ctx->DrawBuffer;
+   const GLfloat fb_width = (GLfloat) fb->Width;
+   const GLfloat fb_height = (GLfloat) fb->Height;
+   const GLfloat x0 = (GLfloat) ctx->DrawBuffer->_Xmin / fb_width * 2.0f - 1.0f;
+   const GLfloat x1 = (GLfloat) ctx->DrawBuffer->_Xmax / fb_width * 2.0f - 1.0f;
+   const GLfloat y0 = (GLfloat) ctx->DrawBuffer->_Ymin / fb_height * 2.0f - 1.0f;
+   const GLfloat y1 = (GLfloat) ctx->DrawBuffer->_Ymax / fb_height * 2.0f - 1.0f;
+   float clearColor[4];
+
+   /*
+   printf("%s %s%s%s %f,%f %f,%f\n", __FUNCTION__, 
+	  color ? "color, " : "",
+	  depth ? "depth, " : "",
+	  stencil ? "stencil" : "",
+	  x0, y0,
+	  x1, y1);
+   */
+
+   cso_save_blend(st->cso_context);
+   cso_save_stencil_ref(st->cso_context);
+   cso_save_depth_stencil_alpha(st->cso_context);
+   cso_save_rasterizer(st->cso_context);
+   cso_save_viewport(st->cso_context);
+   cso_save_clip(st->cso_context);
+   cso_save_fragment_shader(st->cso_context);
+   cso_save_vertex_shader(st->cso_context);
+   cso_save_vertex_elements(st->cso_context);
+   cso_save_vertex_buffers(st->cso_context);
+
+   /* blend state: RGBA masking */
+   {
+      struct pipe_blend_state blend;
+      memset(&blend, 0, sizeof(blend));
+      blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
+      blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
+      blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
+      blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
+      if (color) {
+         if (ctx->Color.ColorMask[0][0])
+            blend.rt[0].colormask |= PIPE_MASK_R;
+         if (ctx->Color.ColorMask[0][1])
+            blend.rt[0].colormask |= PIPE_MASK_G;
+         if (ctx->Color.ColorMask[0][2])
+            blend.rt[0].colormask |= PIPE_MASK_B;
+         if (ctx->Color.ColorMask[0][3])
+            blend.rt[0].colormask |= PIPE_MASK_A;
+         if (st->ctx->Color.DitherFlag)
+            blend.dither = 1;
+      }
+      cso_set_blend(st->cso_context, &blend);
+   }
+
+   /* depth_stencil state: always pass/set to ref value */
+   {
+      struct pipe_depth_stencil_alpha_state depth_stencil;
+      memset(&depth_stencil, 0, sizeof(depth_stencil));
+      if (depth) {
+         depth_stencil.depth.enabled = 1;
+         depth_stencil.depth.writemask = 1;
+         depth_stencil.depth.func = PIPE_FUNC_ALWAYS;
+      }
+
+      if (stencil) {
+         struct pipe_stencil_ref stencil_ref;
+         memset(&stencil_ref, 0, sizeof(stencil_ref));
+         depth_stencil.stencil[0].enabled = 1;
+         depth_stencil.stencil[0].func = PIPE_FUNC_ALWAYS;
+         depth_stencil.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
+         depth_stencil.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
+         depth_stencil.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
+         depth_stencil.stencil[0].valuemask = 0xff;
+         depth_stencil.stencil[0].writemask = ctx->Stencil.WriteMask[0] & 0xff;
+         stencil_ref.ref_value[0] = ctx->Stencil.Clear;
+         cso_set_stencil_ref(st->cso_context, &stencil_ref);
+      }
+
+      cso_set_depth_stencil_alpha(st->cso_context, &depth_stencil);
+   }
+
+   cso_set_vertex_elements(st->cso_context, 2, st->velems_util_draw);
+
+   cso_set_rasterizer(st->cso_context, &st->clear.raster);
+
+   /* viewport state: viewport matching window dims */
+   {
+      const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP);
+      struct pipe_viewport_state vp;
+      vp.scale[0] = 0.5f * fb_width;
+      vp.scale[1] = fb_height * (invert ? -0.5f : 0.5f);
+      vp.scale[2] = 1.0f;
+      vp.scale[3] = 1.0f;
+      vp.translate[0] = 0.5f * fb_width;
+      vp.translate[1] = 0.5f * fb_height;
+      vp.translate[2] = 0.0f;
+      vp.translate[3] = 0.0f;
+      cso_set_viewport(st->cso_context, &vp);
+   }
+
+   cso_set_clip(st->cso_context, &st->clear.clip);
+   set_fragment_shader(st);
+   set_vertex_shader(st);
+
+   if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
+      st_translate_color(ctx->Color.ClearColor,
+                         ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
+                         clearColor);
+   }
+
+   /* draw quad matching scissor rect */
+   draw_quad(st, x0, y0, x1, y1, (GLfloat) ctx->Depth.Clear, clearColor);
+
+   /* Restore pipe state */
+   cso_restore_blend(st->cso_context);
+   cso_restore_stencil_ref(st->cso_context);
+   cso_restore_depth_stencil_alpha(st->cso_context);
+   cso_restore_rasterizer(st->cso_context);
+   cso_restore_viewport(st->cso_context);
+   cso_restore_clip(st->cso_context);
+   cso_restore_fragment_shader(st->cso_context);
+   cso_restore_vertex_shader(st->cso_context);
+   cso_restore_vertex_elements(st->cso_context);
+   cso_restore_vertex_buffers(st->cso_context);
+}
+
+
+/**
+ * Determine if we need to clear the depth buffer by drawing a quad.
+ */
+static INLINE GLboolean
+check_clear_color_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb)
+{
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
+      return GL_TRUE;
+
+   if (!ctx->Color.ColorMask[0][0] ||
+       !ctx->Color.ColorMask[0][1] ||
+       !ctx->Color.ColorMask[0][2] ||
+       !ctx->Color.ColorMask[0][3])
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
+
+
+/**
+ * Determine if we need to clear the combiend depth/stencil buffer by
+ * drawing a quad.
+ */
+static INLINE GLboolean
+check_clear_depth_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb)
+{
+   const GLuint stencilMax = 0xff;
+   GLboolean maskStencil
+      = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax;
+
+   assert(rb->Format == MESA_FORMAT_S8 ||
+          rb->Format == MESA_FORMAT_Z24_S8 ||
+          rb->Format == MESA_FORMAT_S8_Z24);
+
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
+      return GL_TRUE;
+
+   if (maskStencil)
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
+
+
+/**
+ * Determine if we need to clear the depth buffer by drawing a quad.
+ */
+static INLINE GLboolean
+check_clear_depth_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb,
+                            boolean ds_separate)
+{
+   const struct st_renderbuffer *strb = st_renderbuffer(rb);
+   const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format);
+
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
+      return GL_TRUE;
+
+   if (!ds_separate && isDS && ctx->DrawBuffer->Visual.stencilBits > 0)
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
+
+
+/**
+ * Determine if we need to clear the stencil buffer by drawing a quad.
+ */
+static INLINE GLboolean
+check_clear_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb,
+                              boolean ds_separate)
+{
+   const struct st_renderbuffer *strb = st_renderbuffer(rb);
+   const GLboolean isDS = util_format_is_depth_and_stencil(strb->surface->format);
+   const GLuint stencilMax = 0xff;
+   const GLboolean maskStencil
+      = (ctx->Stencil.WriteMask[0] & stencilMax) != stencilMax;
+
+   assert(rb->Format == MESA_FORMAT_S8 ||
+          rb->Format == MESA_FORMAT_Z24_S8 ||
+          rb->Format == MESA_FORMAT_S8_Z24);
+
+   if (maskStencil) 
+      return GL_TRUE;
+
+   if (ctx->Scissor.Enabled &&
+       (ctx->Scissor.X != 0 ||
+        ctx->Scissor.Y != 0 ||
+        ctx->Scissor.Width < rb->Width ||
+        ctx->Scissor.Height < rb->Height))
+      return GL_TRUE;
+
+   /* This is correct, but it is necessary to look at the depth clear
+    * value held in the surface when it comes time to issue the clear,
+    * rather than taking depth and stencil clear values from the
+    * current state.
+    */
+   if (!ds_separate && isDS && ctx->DrawBuffer->Visual.depthBits > 0)
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
+
+
+
+/**
+ * Called when we need to flush.
+ */
+void
+st_flush_clear(struct st_context *st)
+{
+   /* Release vertex buffer to avoid synchronous rendering if we were
+    * to map it in the next frame.
+    */
+   pipe_resource_reference(&st->clear.vbuf, NULL);
+   st->clear.vbuf_slot = 0;
+}
+ 
+
+
+/**
+ * Called via ctx->Driver.Clear()
+ */
+static void
+st_Clear(struct gl_context *ctx, GLbitfield mask)
+{
+   static const GLbitfield BUFFER_BITS_DS
+      = (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
+   struct st_context *st = st_context(ctx);
+   struct gl_renderbuffer *depthRb
+      = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+   struct gl_renderbuffer *stencilRb
+      = ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+   GLbitfield quad_buffers = 0x0;
+   GLbitfield clear_buffers = 0x0;
+   GLuint i;
+
+   /* This makes sure the pipe has the latest scissor, etc values */
+   st_validate_state( st );
+
+   if (mask & BUFFER_BITS_COLOR) {
+      for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
+         GLuint b = ctx->DrawBuffer->_ColorDrawBufferIndexes[i];
+
+         if (mask & (1 << b)) {
+            struct gl_renderbuffer *rb
+               = ctx->DrawBuffer->Attachment[b].Renderbuffer;
+            struct st_renderbuffer *strb = st_renderbuffer(rb);
+
+            if (!strb || !strb->surface)
+               continue;
+
+            if (check_clear_color_with_quad( ctx, rb ))
+               quad_buffers |= PIPE_CLEAR_COLOR;
+            else
+               clear_buffers |= PIPE_CLEAR_COLOR;
+         }
+      }
+   }
+
+   if ((mask & BUFFER_BITS_DS) == BUFFER_BITS_DS && depthRb == stencilRb) {
+      /* clearing combined depth + stencil */
+      struct st_renderbuffer *strb = st_renderbuffer(depthRb);
+
+      if (strb->surface) {
+         if (check_clear_depth_stencil_with_quad(ctx, depthRb))
+            quad_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
+         else
+            clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
+      }
+   }
+   else {
+      /* separate depth/stencil clears */
+      /* I don't think truly separate buffers are actually possible in gallium or hw? */
+      if (mask & BUFFER_BIT_DEPTH) {
+         struct st_renderbuffer *strb = st_renderbuffer(depthRb);
+
+         if (strb->surface) {
+            if (check_clear_depth_with_quad(ctx, depthRb,
+                                            st->clear.enable_ds_separate))
+               quad_buffers |= PIPE_CLEAR_DEPTH;
+            else
+               clear_buffers |= PIPE_CLEAR_DEPTH;
+         }
+      }
+      if (mask & BUFFER_BIT_STENCIL) {
+         struct st_renderbuffer *strb = st_renderbuffer(stencilRb);
+
+         if (strb->surface) {
+            if (check_clear_stencil_with_quad(ctx, stencilRb,
+                                              st->clear.enable_ds_separate))
+               quad_buffers |= PIPE_CLEAR_STENCIL;
+            else
+               clear_buffers |= PIPE_CLEAR_STENCIL;
+         }
+      }
+   }
+
+   /*
+    * If we're going to use clear_with_quad() for any reason, use it for
+    * everything possible.
+    */
+   if (quad_buffers) {
+      quad_buffers |= clear_buffers;
+      clear_with_quad(ctx,
+                      quad_buffers & PIPE_CLEAR_COLOR,
+                      quad_buffers & PIPE_CLEAR_DEPTH,
+                      quad_buffers & PIPE_CLEAR_STENCIL);
+   } else if (clear_buffers) {
+      /* driver cannot know it can clear everything if the buffer
+       * is a combined depth/stencil buffer but this wasn't actually
+       * required from the visual. Hence fix this up to avoid potential
+       * read-modify-write in the driver.
+       */
+      float clearColor[4];
+
+      if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) &&
+          ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
+          (depthRb == stencilRb) &&
+          (ctx->DrawBuffer->Visual.depthBits == 0 ||
+           ctx->DrawBuffer->Visual.stencilBits == 0))
+         clear_buffers |= PIPE_CLEAR_DEPTHSTENCIL;
+
+      if (ctx->DrawBuffer->_ColorDrawBuffers[0]) {
+         st_translate_color(ctx->Color.ClearColor,
+                            ctx->DrawBuffer->_ColorDrawBuffers[0]->_BaseFormat,
+                            clearColor);
+      }
+
+      st->pipe->clear(st->pipe, clear_buffers, ctx->Color.ClearColor,
+                      ctx->Depth.Clear, ctx->Stencil.Clear);
+   }
+   if (mask & BUFFER_BIT_ACCUM)
+      st_clear_accum_buffer(ctx,
+                            ctx->DrawBuffer->Attachment[BUFFER_ACCUM].Renderbuffer);
+}
+
+
+void
+st_init_clear_functions(struct dd_function_table *functions)
+{
+   functions->Clear = st_Clear;
+}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 8bdb3c801..1b824c0de 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -1530,7 +1530,7 @@ st_copy_texsubimage(struct gl_context *ctx,
          GLint srcY0, srcY1;
          struct pipe_surface surf_tmpl;
          memset(&surf_tmpl, 0, sizeof(surf_tmpl));
-         surf_tmpl.format = stImage->pt->format;
+         surf_tmpl.format = util_format_linear(stImage->pt->format);
          surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
          surf_tmpl.u.tex.level = stImage->level;
          surf_tmpl.u.tex.first_layer = stImage->face + destZ;
-- 
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