Merge remote-tracking branch 'origin/released'

* origin/released: randrproto mesa pixman git update 4 oct 2012
author: marha <marha@users.sourceforge.net> 2012-10-04 10:58:53 +0200
committer: marha <marha@users.sourceforge.net> 2012-10-04 10:58:53 +0200
commit: bd13c464f728719fceb8a4918b52727ec125ea6e (patch)
tree: 05a48375076036097a9e28356738c05a16cc5ed0 /mesalib
parent: bab6395ded69210cbc550c0fb3765160e4405283 (diff)
parent: 0130346adbce7e6b2422429887fc46c76806d845 (diff)
download: vcxsrv-bd13c464f728719fceb8a4918b52727ec125ea6e.tar.gz
vcxsrv-bd13c464f728719fceb8a4918b52727ec125ea6e.tar.bz2
vcxsrv-bd13c464f728719fceb8a4918b52727ec125ea6e.zip
29 files changed, 183 insertions, 123 deletions
diff --git a/mesalib/Android.common.mk b/mesalib/Android.common.mk
index 1e9f040ac..18e5726fa 100644
--- a/mesalib/Android.common.mk
+++ b/mesalib/Android.common.mk
@@ -40,7 +40,7 @@ LOCAL_CFLAGS += \
 	-DANDROID_VERSION=0x0$(major)0$(minor)
 
 LOCAL_CFLAGS += \
-	-DPTHREADS \
+	-DHAVE_PTHREAD=1 \
 	-fvisibility=hidden \
 	-Wno-sign-compare
 
diff --git a/mesalib/configure.ac b/mesalib/configure.ac
index 896f98a53..72c2b8c58 100644
--- a/mesalib/configure.ac
+++ b/mesalib/configure.ac
@@ -160,13 +160,13 @@ DEFINES=""
 AC_SUBST([DEFINES])
 case "$host_os" in
 linux*|*-gnu*|gnu*)
-    DEFINES="$DEFINES -D_GNU_SOURCE -DPTHREADS"
+    DEFINES="$DEFINES -D_GNU_SOURCE"
     ;;
 solaris*)
-    DEFINES="$DEFINES -DPTHREADS -DSVR4"
+    DEFINES="$DEFINES -DSVR4"
     ;;
 cygwin*)
-    DEFINES="$DEFINES -DPTHREADS"
+    DEFINES="$DEFINES"
     ;;
 esac
 
@@ -500,15 +500,12 @@ AC_SUBST([DLOPEN_LIBS])
 dnl See if posix_memalign is available
 AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
 
-dnl signbit() is a macro in glibc's math.h, so AC_CHECK_FUNC fails. To handle
-dnl this, use AC_CHECK_DECLS and fallback to AC_CHECK_FUNC in case it fails.
-AC_CHECK_DECLS([signbit],[],
-               AC_CHECK_FUNC([signbit],[],
-                             AC_MSG_ERROR([could not find signbit()])),
-               [#include <math.h>])
-
 dnl Check for pthreads
 AX_PTHREAD
+dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS
+dnl to -pthread, which causes problems if we need -lpthread to appear in
+dnl pkgconfig files.
+test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
 
 dnl SELinux awareness.
 AC_ARG_ENABLE([selinux],
@@ -867,8 +864,8 @@ xyesyes)
     GL_PC_REQ_PRIV="x11 xext"
     X11_INCLUDES="$X11_INCLUDES $XLIBGL_CFLAGS"
     GL_LIB_DEPS="$XLIBGL_LIBS"
-    GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm -lpthread $DLOPEN_LIBS"
-    GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm -lpthread"
+    GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
+    GL_PC_LIB_PRIV="$GL_PC_LIB_PRIV $SELINUX_LIBS -lm $PTHREAD_LIBS"
     ;;
 xyesno)
     # DRI-based GLX
@@ -895,9 +892,9 @@ xyesno)
     X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
     GL_LIB_DEPS="$DRIGL_LIBS"
 
-    # 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"
+    # need DRM libs, $PTHREAD_LIBS, etc.
+    GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
+    GL_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
     ;;
 esac
 
@@ -905,10 +902,10 @@ esac
 # builds.
 AM_CONDITIONAL(HAVE_XF86VIDMODE, test "x$HAVE_XF86VIDMODE" = xyes)
 
-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 $DLOPEN_LIBS"
+GLESv1_CM_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
+GLESv1_CM_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
+GLESv2_LIB_DEPS="$LIBDRM_LIBS -lm $PTHREAD_LIBS $DLOPEN_LIBS"
+GLESv2_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
 
 AC_SUBST([X11_INCLUDES])
 AC_SUBST([GL_LIB_DEPS])
@@ -951,8 +948,8 @@ AC_ARG_ENABLE([glx-tls],
     [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"])
+AS_IF([test "x$GLX_USE_TLS" = xyes -a "x$ax_pthread_ok" = xyes],
+      [DEFINES="${DEFINES} -DGLX_USE_TLS"])
 
 dnl
 dnl More DRI setup
@@ -1036,7 +1033,7 @@ if test "x$enable_dri" = xyes; then
         esac
         ;;
     freebsd* | dragonfly* | *netbsd*)
-        DEFINES="$DEFINES -DPTHREADS -DUSE_EXTERNAL_DXTN_LIB=1"
+        DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1"
         DEFINES="$DEFINES -DIN_DRI_DRIVER -DHAVE_ALIAS"
 
         if test "x$DRI_DIRS" = "xyes"; then
@@ -1095,9 +1092,10 @@ if test "x$enable_dri" = xyes; then
     fi
 
     # put all the necessary libs together
-    DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
-    GALLIUM_DRI_LIB_DEPS="$GALLIUM_DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
+    DRI_LIB_DEPS="$DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm $PTHREAD_LIBS $DLOPEN_LIBS"
+    GALLIUM_DRI_LIB_DEPS="$GALLIUM_DRI_LIB_DEPS $SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm $PTHREAD_LIBS $DLOPEN_LIBS"
 fi
+AM_CONDITIONAL(NEED_LIBDRICORE, test -n "$DRI_DIRS")
 AC_SUBST([DRI_DIRS])
 AC_SUBST([EXPAT_INCLUDES])
 AC_SUBST([DRI_LIB_DEPS])
@@ -1192,12 +1190,12 @@ esac
 if test "x$enable_osmesa" = xyes; then
     # only link libraries with osmesa if shared
     if test "$enable_static" = no; then
-        OSMESA_LIB_DEPS="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
+        OSMESA_LIB_DEPS="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
     else
         OSMESA_LIB_DEPS=""
     fi
     OSMESA_MESA_DEPS=""
-    OSMESA_PC_LIB_PRIV="-lm -lpthread $SELINUX_LIBS $DLOPEN_LIBS"
+    OSMESA_PC_LIB_PRIV="-lm $PTHREAD_LIBS $SELINUX_LIBS $DLOPEN_LIBS"
 fi
 
 AC_SUBST([OSMESA_LIB_DEPS])
@@ -1243,7 +1241,7 @@ EGL_CLIENT_APIS=""
 
 if test "x$enable_egl" = xyes; then
     SRC_DIRS="$SRC_DIRS egl"
-    EGL_LIB_DEPS="$DLOPEN_LIBS $SELINUX_LIBS -lpthread"
+    EGL_LIB_DEPS="$DLOPEN_LIBS $SELINUX_LIBS $PTHREAD_LIBS"
 
     AC_CHECK_FUNC(mincore, [DEFINES="$DEFINES -DHAVE_MINCORE"])
 
@@ -1366,11 +1364,11 @@ if test "x$enable_openvg" = xyes; then
     fi
 
     EGL_CLIENT_APIS="$EGL_CLIENT_APIS "'$(VG_LIB)'
-    VG_LIB_DEPS="$VG_LIB_DEPS $SELINUX_LIBS -lpthread"
+    VG_LIB_DEPS="$VG_LIB_DEPS $SELINUX_LIBS $PTHREAD_LIBS"
     CORE_DIRS="$CORE_DIRS mapi/vgapi"
     GALLIUM_STATE_TRACKERS_DIRS="vega $GALLIUM_STATE_TRACKERS_DIRS"
     HAVE_ST_VEGA=yes
-    VG_PC_LIB_PRIV="-lm -lpthread $DLOPEN_LIBS"
+    VG_PC_LIB_PRIV="-lm $PTHREAD_LIBS $DLOPEN_LIBS"
     AC_SUBST([VG_PC_LIB_PRIV])
 fi
 
@@ -1661,6 +1659,7 @@ if test "x$enable_gallium_llvm" = xyes; then
             if $LLVM_CONFIG --components | grep -q '\<mcjit\>'; then
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} mcjit"
             fi
+
             if test "x$enable_opencl" = xyes; then
                 LLVM_COMPONENTS="${LLVM_COMPONENTS} ipo linker instrumentation"
             fi
@@ -1782,6 +1781,21 @@ gallium_require_drm_loader() {
     fi
 }
 
+radeon_llvm_check() {
+    LLVM_VERSION_MAJOR=`echo $LLVM_VERSION | cut -d. -f1`
+    if test "$LLVM_VERSION_MAJOR" -lt "3" -o "x$LLVM_VERSION" = "x3.0"; then
+        AC_MSG_ERROR([LLVM 3.1 or newer is required for the r600/radeonsi llvm compiler.])
+    fi
+    if test "$LLVM_VERSION_MAJOR" -ge "3" -a "x$LLVM_VERSION" != "x3.1" && $LLVM_CONFIG --targets-built | grep -qv '\<AMDGPU\>' ; then
+        AC_MSG_ERROR([To use the r600/radeonsi LLVM backend with LLVM 3.2 and newer, you need to fetch the LLVM source from:
+                      git://people.freedesktop.org/~tstellar/llvm master
+                      and build with --enable-experimental-targets==AMDGPU])
+    fi
+    if test "x$LLVM_VERSION" = "x3.2"; then
+        LLVM_LIBS="$LLVM_LIBS `$LLVM_CONFIG --libs amdgpu`"
+    fi
+}
+
 dnl Gallium drivers
 dnl Duplicates in GALLIUM_DRIVERS_DIRS are removed by sorting it after this block
 if test "x$with_gallium_drivers" != x; then
@@ -1812,9 +1826,7 @@ if test "x$with_gallium_drivers" != x; then
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r600"
             if test "x$enable_r600_llvm" = xyes -o "x$enable_opencl" = xyes; then
-                if test "x$LLVM_VERSION" != "x3.1"; then
-                    AC_MSG_ERROR([LLVM 3.1 is required for the r600 llvm compiler.])
-                fi
+                radeon_llvm_check
                 NEED_RADEON_GALLIUM=yes;
             fi
             if test "x$enable_r600_llvm" = xyes; then
@@ -1829,9 +1841,7 @@ if test "x$with_gallium_drivers" != x; then
             PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED])
             gallium_require_drm_loader
             GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS radeonsi"
-            if test "x$LLVM_VERSION" != "x3.1"; then
-                AC_MSG_ERROR([LLVM 3.1 is required to build the radeonsi driver.])
-            fi
+            radeon_llvm_check
 	    NEED_RADEON_GALLIUM=yes;
             gallium_check_st "radeon/drm" "dri-radeonsi" "xorg-radeonsi" "" "" "vdpau-radeonsi" ""
             ;;
@@ -1947,6 +1957,7 @@ CXXFLAGS="$CXXFLAGS $USER_CXXFLAGS"
 dnl Substitute the config
 AC_CONFIG_FILES([configs/current
 		Makefile
+		src/Makefile
 		src/egl/Makefile
 		src/egl/drivers/Makefile
 		src/egl/drivers/dri2/Makefile
@@ -1972,7 +1983,6 @@ AC_CONFIG_FILES([configs/current
 		src/glx/Makefile
 		src/glx/tests/Makefile
 		src/gtest/Makefile
-		src/Makefile
 		src/mapi/es1api/Makefile
 		src/mapi/es1api/glesv1_cm.pc
 		src/mapi/es2api/Makefile
diff --git a/mesalib/docs/contents.html b/mesalib/docs/contents.html
index b9a892201..57522992c 100644
--- a/mesalib/docs/contents.html
+++ b/mesalib/docs/contents.html
@@ -58,6 +58,7 @@
 
 <b>User Topics</b>
 <ul>
+<li><a href="shading.html" target="_parent">Shading Language</a>
 <li><a href="egl.html" target="_parent">EGL</a>
 <li><a href="opengles.html" target="_parent">OpenGL ES</a>
 <li><a href="openvg.html" target="_parent">OpenVG / Vega</a>
diff --git a/mesalib/docs/devinfo.html b/mesalib/docs/devinfo.html
index 90752b750..8f4aeef5f 100644
--- a/mesalib/docs/devinfo.html
+++ b/mesalib/docs/devinfo.html
@@ -156,6 +156,30 @@ src/mesa/state_tracker/st_glsl_to_tgsi.cpp can serve as examples.
 </p>
 
 
+<h2>Marking a commit as a candidate for a stable branch</h2>
+
+<p>
+If you want a commit to be applied to a stable branch,
+you should add an appropriate note to the commit message.
+</p>
+
+<p>
+Here are some examples of such a note:
+</p>
+<ul>
+  <li>NOTE: This is a candidate for the 9.0 branch.</li>
+  <li>NOTE: This is a candidate for the 8.0 and 9.0 branches.</li>
+  <li>NOTE: This is a candidate for the stable branches.</li>
+</ul>
+
+
+<h2>Cherry-picking candidates for a stable branch</h2>
+
+<p>
+Please use <code>git cherry-pick -x &lt;commit&gt;</code> for cherry-picking a commit
+from master to a stable branch.
+</p>
+
 <h2>Making a New Mesa Release</h2>
 
 <p>
diff --git a/mesalib/docs/dispatch.html b/mesalib/docs/dispatch.html
index 299d68a96..4b529bc04 100644
--- a/mesalib/docs/dispatch.html
+++ b/mesalib/docs/dispatch.html
@@ -205,7 +205,7 @@ few preprocessor defines.</p>
 
 <ul>
 <li>If <tt>GLX_USE_TLS</tt> is defined, method #4 is used.</li>
-<li>If <tt>PTHREADS</tt> is defined, method #3 is used.</li>
+<li>If <tt>HAVE_PTHREAD</tt> is defined, method #3 is used.</li>
 <li>If <tt>WIN32_THREADS</tt> is defined, method #2 is used.</li>
 <li>If none of the preceeding are defined, method #1 is used.</li>
 </ul>
diff --git a/mesalib/docs/helpwanted.html b/mesalib/docs/helpwanted.html
index 12a2bb5fc..859e65c88 100644
--- a/mesalib/docs/helpwanted.html
+++ b/mesalib/docs/helpwanted.html
@@ -51,21 +51,31 @@ the mailing list.
 <p>
 You can find some further To-do lists here:
 </p>
+
+<p>
+<b>Common To-Do lists:</b>
+</p>
+<ul>
+  <li><a href="http://cgit.freedesktop.org/mesa/mesa/tree/docs/GL3.txt">
+    <b>GL3.txt</b></a> - Status of OpenGL 3.x / 4.x features in Mesa.</li>
+  <li><a href="http://dri.freedesktop.org/wiki/MissingFunctionality">
+    <b>MissingFunctionality</b></a> - Detailed information about missing OpenGL features.</li>
+</ul>
+
+<p>
+<b>Driver specific To-Do lists:</b>
+</p>
 <ul>
-  <li><a href="http://cgit.freedesktop.org/mesa/mesa/tree/docs/GL3.txt"
-   ><b>GL3.txt</b></a></li>
-  <li><a href="http://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/docs/llvm-todo.txt"
-   ><b>LLVMpipe - todo</b></a></li>
-  <li><a href="http://dri.freedesktop.org/wiki/MissingFunctionality"
-   ><b>MissingFunctionality</b></a></li>
-  <li><a href="http://dri.freedesktop.org/wiki/RadeonsiToDo"
-   ><b>RadeonsiToDo</b></a></li>
-  <li><a href="http://dri.freedesktop.org/wiki/R600ToDo"
-   ><b>R600ToDo</b></a></li>
-  <li><a href="http://dri.freedesktop.org/wiki/R300ToDo"
-   ><b>R300ToDo</b></a></li>
-  <li><a href="http://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/i915/TODO"
-   ><b>i915g TODO</b></a></li>
+  <li><a href="http://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/docs/llvm-todo.txt">
+    <b>LLVMpipe</b></a> - Software driver using LLVM for runtime code generation.</li>
+  <li><a href="http://dri.freedesktop.org/wiki/RadeonsiToDo">
+    <b>radeonsi</b></a> - Driver for AMD Southern Island.</li>
+  <li><a href="http://dri.freedesktop.org/wiki/R600ToDo">
+    <b>r600g</b></a> - Driver for ATI/AMD R600 - Northern Island.</li>
+  <li><a href="http://dri.freedesktop.org/wiki/R300ToDo">
+    <b>r300g</b></a> - Driver for ATI R300 - R500.</li>
+  <li><a href="http://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/i915/TODO">
+    <b>i915g</b></a> - Driver for Intel i915/i945.</li>
 </ul>
 
 <p>
diff --git a/mesalib/docs/shading.html b/mesalib/docs/shading.html
index a12487bb8..19e20b183 100644
--- a/mesalib/docs/shading.html
+++ b/mesalib/docs/shading.html
@@ -27,7 +27,7 @@ Contents
 </p>
 <ul>
 <li><a href="#envvars">Environment variables</a>
-<li><a href="#glsl120">GLSL 1.20 support</a>
+<li><a href="#support">GLSL 1.40 support</a>
 <li><a href="#unsup">Unsupported Features</a>
 <li><a href="#notes">Implementation Notes</a>
 <li><a href="#hints">Programming Hints</a>
@@ -64,10 +64,10 @@ Example:  export MESA_GLSL=dump,nopt
 </p>
 
 
-<h2 id="glsl120">GLSL Version</h2>
+<h2 id="support">GLSL Version</h2>
 
 <p>
-The GLSL compiler currently supports version 1.20 of the shading language.
+The GLSL compiler currently supports version 1.40 of the shading language.
 </p>
 
 <p>
@@ -75,9 +75,8 @@ Several GLSL extensions are also supported:
 </p>
 <ul>
 <li>GL_ARB_draw_buffers
-<li>GL_ARB_texture_rectangle
 <li>GL_ARB_fragment_coord_conventions
-<li>GL_EXT_texture_array
+<li>GL_ARB_shader_bit_encoding
 </ul>
 
 
@@ -94,7 +93,6 @@ in Mesa:
 <li>Linking of multiple shaders does not always work.  Currently, linking
     is implemented through shader concatenation and re-compiling.  This
     doesn't always work because of some #pragma and preprocessor issues.
-<li>gl_ClipVertex
 <li>The gl_Color and gl_SecondaryColor varying vars are interpolated
     without perspective correction
 </ul>
@@ -251,8 +249,7 @@ regressions.
 
 <p>
 The <a href="http://piglit.freedesktop.org/">Piglit</a> project
-has many GLSL tests and the
-<a href="http://glean.sf.net">Glean</a> glsl1 test tests GLSL features.
+has many GLSL tests.
 </p>
 
 <p>
diff --git a/mesalib/scons/gallium.py b/mesalib/scons/gallium.py
index 1dd4e8187..c3f33a05a 100644
--- a/mesalib/scons/gallium.py
+++ b/mesalib/scons/gallium.py
@@ -251,7 +251,7 @@ def generate(env):
             '_SVID_SOURCE',
             '_BSD_SOURCE',
             '_GNU_SOURCE',
-            'PTHREADS',
+            'HAVE_PTHREAD',
             'HAVE_POSIX_MEMALIGN',
         ]
         if env['platform'] == 'darwin':
diff --git a/mesalib/src/glsl/Android.gen.mk b/mesalib/src/glsl/Android.gen.mk
index e4ccb7291..2ed9fa64b 100644
--- a/mesalib/src/glsl/Android.gen.mk
+++ b/mesalib/src/glsl/Android.gen.mk
@@ -52,10 +52,10 @@ define local-l-or-ll-to-c-or-cpp
 	$(hide) $(LEX) --nounistd -o$@ $<
 endef
 
-define local-y-to-c-and-h
+define glsl_local-y-to-c-and-h
 	@mkdir -p $(dir $@)
 	@echo "Mesa Yacc: $(PRIVATE_MODULE) <= $<"
-	$(hide) $(YACC) -o $@ $<
+	$(hide) $(YACC) -o $@ -p "glcpp_parser_" $<
 endef
 
 define local-yy-to-cpp-and-h
@@ -80,7 +80,7 @@ $(intermediates)/glcpp/glcpp-lex.c: $(LOCAL_PATH)/glcpp/glcpp-lex.l
 	$(call local-l-or-ll-to-c-or-cpp)
 
 $(intermediates)/glcpp/glcpp-parse.c: $(LOCAL_PATH)/glcpp/glcpp-parse.y
-	$(call local-y-to-c-and-h)
+	$(call glsl_local-y-to-c-and-h)
 
 BUILTIN_COMPILER := $(BUILD_OUT_EXECUTABLES)/mesa_builtin_compiler$(BUILD_EXECUTABLE_SUFFIX)
 
diff --git a/mesalib/src/glsl/Makefile.am b/mesalib/src/glsl/Makefile.am
index 20639c93d..1ecc0036c 100644
--- a/mesalib/src/glsl/Makefile.am
+++ b/mesalib/src/glsl/Makefile.am
@@ -23,7 +23,7 @@
 # builtin_compiler is built before libglsl to generate builtin_function.cpp for libglsl.
 # For this to work, a dummy version of builtin_function.cpp, builtin_stubs.cpp, is used.
 
-AM_CFLAGS = \
+AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(top_srcdir)/src/mapi \
 	-I$(top_srcdir)/src/mesa/ \
@@ -31,8 +31,8 @@ AM_CFLAGS = \
 	$(DEFINES) \
 	$(LIBRARY_DEFINES) \
 	$(API_DEFINES)
-
-AM_CXXFLAGS = $(AM_CFLAGS)
+AM_CFLAGS = $(VISIBILITY_CFLAGS)
+AM_CXXFLAGS = $(VISIBILITY_CXXFLAGS)
 
 AM_LFLAGS = --nounistd -o$(LEX_OUTPUT_ROOT).c
 
diff --git a/mesalib/src/mapi/glapi/gen/es_EXT.xml b/mesalib/src/mapi/glapi/gen/es_EXT.xml
index c38e65a24..9e735834d 100644
--- a/mesalib/src/mapi/glapi/gen/es_EXT.xml
+++ b/mesalib/src/mapi/glapi/gen/es_EXT.xml
@@ -731,4 +731,10 @@
     <enum name="RG8_EXT"                                  value="0x822B"/>
 </category>
 
+<!-- 111. GL_ANGLE_texture_compression_dxt -->
+<category name="ANGLE_texture_compression_dxt" number="111">
+    <enum name="COMPRESSED_RGBA_S3TC_DXT3_ANGLE"        value="0x83F2"/>
+    <enum name="COMPRESSED_RGBA_S3TC_DXT5_ANGLE"        value="0x83F3"/>
+</category>
+
 </OpenGLAPI>
diff --git a/mesalib/src/mapi/glapi/gen/gl_SPARC_asm.py b/mesalib/src/mapi/glapi/gen/gl_SPARC_asm.py
index 400e684da..553959687 100644
--- a/mesalib/src/mapi/glapi/gen/gl_SPARC_asm.py
+++ b/mesalib/src/mapi/glapi/gen/gl_SPARC_asm.py
@@ -120,7 +120,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
 		print '\t sethi\tGL_OFF(off), %g3;\t\t\t\\'
 		print '\t.size\tfn,.-fn;'
 		print ''
-		print '#elif defined(PTHREADS)'
+		print '#elif defined(HAVE_PTHREAD)'
 		print ''
 		print '\t/* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */'
 		print '\t/* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */'
diff --git a/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py b/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py
index 3ef5e08a9..9a085eaec 100644
--- a/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py
+++ b/mesalib/src/mapi/glapi/gen/gl_x86-64_asm.py
@@ -138,7 +138,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
 		print '#  define GL_PREFIX(n) GLNAME(CONCAT(gl,n))'
 		print '# endif'
 		print ''
-		print '#if defined(PTHREADS) || defined(_WIN32)'
+		print '#if defined(HAVE_PTHREAD) || defined(_WIN32)'
 		print '#  define THREADS'
 		print '#endif'
 		print ''
@@ -158,7 +158,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
 		print '\tret'
 		print '\t.size\t_x86_64_get_dispatch, .-_x86_64_get_dispatch'
 		print ''
-		print '#elif defined(PTHREADS)'
+		print '#elif defined(HAVE_PTHREAD)'
 		print ''
 		print '\t.extern\t_glapi_Dispatch'
 		print '\t.extern\t_gl_DispatchTSD'
@@ -251,7 +251,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
 		print '\tcall\t_x86_64_get_dispatch@PLT'
 		print '\tmovq\t%u(%%rax), %%r11' % (f.offset * 8)
 		print '\tjmp\t*%r11'
-		print '#elif defined(PTHREADS)'
+		print '#elif defined(HAVE_PTHREAD)'
 		
 		save_all_regs(registers)
 		print '\tcall\t_x86_64_get_dispatch@PLT'
diff --git a/mesalib/src/mapi/glapi/gen/gl_x86_asm.py b/mesalib/src/mapi/glapi/gen/gl_x86_asm.py
index 095edcdc0..5eaa340f7 100644
--- a/mesalib/src/mapi/glapi/gen/gl_x86_asm.py
+++ b/mesalib/src/mapi/glapi/gen/gl_x86_asm.py
@@ -78,7 +78,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
 		print '#define GLOBL_FN(x) GLOBL x'
 		print '#endif'
 		print ''
-		print '#if defined(PTHREADS) || defined(_WIN32)'
+		print '#if defined(HAVE_PTHREAD) || defined(_WIN32)'
 		print '#  define THREADS'
 		print '#endif'
 		print ''
@@ -98,7 +98,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
 		print '\tCTX_INSNS ;					\\'
 		print '\tJMP(GL_OFFSET(off))'
 		print ''
-		print '#elif defined(PTHREADS)'
+		print '#elif defined(HAVE_PTHREAD)'
 		print '#  define GL_STUB(fn,off,fn_alt)\t\t\t\\'
 		print 'ALIGNTEXT16;\t\t\t\t\t\t\\'
 		print 'GLOBL_FN(GL_PREFIX(fn, fn_alt));\t\t\t\\'
@@ -152,7 +152,7 @@ class PrintGenericStubs(gl_XML.gl_print_base):
 		print '\tmovl	_glapi_tls_Dispatch@GOTNTPOFF(%eax), %eax'
 		print '\tret'
 		print ''
-		print '#elif defined(PTHREADS)'
+		print '#elif defined(HAVE_PTHREAD)'
 		print 'EXTERN GLNAME(_glapi_Dispatch)'
 		print 'EXTERN GLNAME(_gl_DispatchTSD)'
 		print 'EXTERN GLNAME(pthread_getspecific)'
diff --git a/mesalib/src/mapi/glapi/glapi_entrypoint.c b/mesalib/src/mapi/glapi/glapi_entrypoint.c
index 993ccb94c..7a0eb3537 100644
--- a/mesalib/src/mapi/glapi/glapi_entrypoint.c
+++ b/mesalib/src/mapi/glapi/glapi_entrypoint.c
@@ -136,7 +136,7 @@ extern void __glapi_sparc_icache_flush(unsigned int *);
 static void
 init_glapi_relocs( void )
 {
-#if defined(PTHREADS) || defined(GLX_USE_TLS)
+#if defined(HAVE_PTHREAD) || defined(GLX_USE_TLS)
     static const unsigned int template[] = {
 #ifdef GLX_USE_TLS
 	0x05000000, /* sethi %hi(_glapi_tls_Dispatch), %g2 */
@@ -266,7 +266,7 @@ init_glapi_relocs( void )
 _glapi_proc
 generate_entrypoint(GLuint functionOffset)
 {
-#if defined(PTHREADS) || defined(GLX_USE_TLS)
+#if defined(HAVE_PTHREAD) || defined(GLX_USE_TLS)
    static const unsigned int template[] = {
       0x07000000, /* sethi %hi(0), %g3 */
       0x8210000f, /* mov  %o7, %g1 */
@@ -337,7 +337,7 @@ fill_in_entrypoint_offset(_glapi_proc entrypoint, GLuint offset)
 void
 init_glapi_relocs_once( void )
 {
-#if defined(PTHREADS) || defined(GLX_USE_TLS)
+#if defined(HAVE_PTHREAD) || defined(GLX_USE_TLS)
    static pthread_once_t once_control = PTHREAD_ONCE_INIT;
    pthread_once( & once_control, init_glapi_relocs );
 #endif
diff --git a/mesalib/src/mapi/mapi/stub.c b/mesalib/src/mapi/mapi/stub.c
index 99b475a3b..6fb8556d1 100644
--- a/mesalib/src/mapi/mapi/stub.c
+++ b/mesalib/src/mapi/mapi/stub.c
@@ -55,7 +55,7 @@ static int next_dynamic_slot = MAPI_TABLE_NUM_STATIC;
 void
 stub_init_once(void)
 {
-#ifdef PTHREADS
+#ifdef HAVE_PTHREAD
    static pthread_once_t once = PTHREAD_ONCE_INIT;
    pthread_once(&once, entry_patch_public);
 #else
diff --git a/mesalib/src/mapi/mapi/u_thread.h b/mesalib/src/mapi/mapi/u_thread.h
index e53f872c9..a5e504370 100644
--- a/mesalib/src/mapi/mapi/u_thread.h
+++ b/mesalib/src/mapi/mapi/u_thread.h
@@ -46,14 +46,14 @@
 #include <stdlib.h>
 #include "u_compiler.h"
 
-#if defined(PTHREADS)
+#if defined(HAVE_PTHREAD)
 #include <pthread.h> /* POSIX threads headers */
 #endif
 #ifdef _WIN32
 #include <windows.h>
 #endif
 
-#if defined(PTHREADS) || defined(_WIN32)
+#if defined(HAVE_PTHREAD) || defined(_WIN32)
 #ifndef THREADS
 #define THREADS
 #endif
@@ -88,7 +88,7 @@ extern "C" {
  * compiler flag.  On Solaris with gcc, use -D_REENTRANT to enable
  * proper compiling for MT-safe libc etc.
  */
-#if defined(PTHREADS)
+#if defined(HAVE_PTHREAD)
 
 struct u_tsd {
    pthread_key_t key;
@@ -145,7 +145,7 @@ u_tsd_set(struct u_tsd *tsd, void *ptr)
    }
 }
 
-#endif /* PTHREADS */
+#endif /* HAVE_PTHREAD */
 
 
 /*
diff --git a/mesalib/src/mesa/Android.gen.mk b/mesalib/src/mesa/Android.gen.mk
index f5e63234a..c17df1a1e 100644
--- a/mesalib/src/mesa/Android.gen.mk
+++ b/mesalib/src/mesa/Android.gen.mk
@@ -75,10 +75,10 @@ define local-l-to-c
 	$(hide) $(LEX) -o$@ $<
 endef
 
-define local-y-to-c-and-h
+define mesa_local-y-to-c-and-h
 	@mkdir -p $(dir $@)
 	@echo "Mesa Yacc: $(PRIVATE_MODULE) <= $<"
-	$(hide) $(YACC) -o $@ $<
+	$(hide) $(YACC) -o $@ -p "_mesa_program_" $<
 endef
 
 define es-gen
@@ -104,7 +104,7 @@ $(intermediates)/main/api_exec_%_remap_helper.h: $(es_hdr_deps)
 	$(call es-gen, -c $*)
 
 $(intermediates)/program/program_parse.tab.c: $(LOCAL_PATH)/program/program_parse.y
-	$(local-y-to-c-and-h)
+	$(mesa_local-y-to-c-and-h)
 
 $(intermediates)/program/lex.yy.c: $(LOCAL_PATH)/program/program_lexer.l
 	$(local-l-to-c)
diff --git a/mesalib/src/mesa/Makefile.am b/mesalib/src/mesa/Makefile.am
index 8e4530da3..feec1070d 100644
--- a/mesalib/src/mesa/Makefile.am
+++ b/mesalib/src/mesa/Makefile.am
@@ -19,7 +19,11 @@
 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
-SUBDIRS = x86 x86-64 . libdricore drivers
+if NEED_LIBDRICORE
+DRICORE_SUBDIR = libdricore
+endif
+
+SUBDIRS = x86 x86-64 . $(DRICORE_SUBDIR) drivers
 
 gldir = $(includedir)/GL
 gl_HEADERS = $(top_srcdir)/include/GL/*.h
@@ -94,8 +98,8 @@ BUILDDIR = $(top_builddir)/src/mesa/
 include sources.mak
 
 AM_CPPFLAGS = $(API_DEFINES) $(DEFINES) $(INCLUDE_DIRS)
-AM_CFLAGS = $(LLVM_CFLAGS)
-AM_CXXFLAGS = $(LLVM_CFLAGS)
+AM_CFLAGS = $(LLVM_CFLAGS) $(VISIBILITY_CFLAGS)
+AM_CXXFLAGS = $(LLVM_CFLAGS) $(VISIBILITY_CXXFLAGS)
 
 # cannot just add $(MESA_ASM_FILES) to libmesa_la_SOURCES as it contains a configure substitution
 MESA_ASM_FILES_FOR_ARCH =
diff --git a/mesalib/src/mesa/drivers/dri/common/Makefile.am b/mesalib/src/mesa/drivers/dri/common/Makefile.am
index 6e9d738fa..a662919b5 100644
--- a/mesalib/src/mesa/drivers/dri/common/Makefile.am
+++ b/mesalib/src/mesa/drivers/dri/common/Makefile.am
@@ -26,7 +26,8 @@ AM_CFLAGS = \
 	-I$(top_srcdir)/src/mesa/ \
 	$(DEFINES) \
 	$(API_DEFINES) \
-	$(LIBDRM_CFLAGS)
+	$(LIBDRM_CFLAGS) \
+	$(VISIBILITY_CFLAGS)
 
 noinst_LTLIBRARIES = \
 	libdricommon.la \
diff --git a/mesalib/src/mesa/drivers/dri/swrast/Makefile.am b/mesalib/src/mesa/drivers/dri/swrast/Makefile.am
index 16a34413b..244aa8b27 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/Makefile.am
+++ b/mesalib/src/mesa/drivers/dri/swrast/Makefile.am
@@ -34,7 +34,8 @@ AM_CFLAGS = \
 	-I$(top_srcdir)/src/mesa/ \
 	-I$(top_srcdir)/src/mesa/drivers/dri/common \
 	$(DEFINES) \
-	$(API_DEFINES)
+	$(API_DEFINES) \
+	$(VISIBILITY_CFLAGS)
 
 dridir = $(DRI_DRIVER_INSTALL_DIR)
 
diff --git a/mesalib/src/mesa/main/APIspec.xml b/mesalib/src/mesa/main/APIspec.xml
index a65c5c529..c3969526f 100644
--- a/mesalib/src/mesa/main/APIspec.xml
+++ b/mesalib/src/mesa/main/APIspec.xml
@@ -2172,6 +2172,9 @@
 	<category name="NV_draw_buffers"/>
 	<category name="NV_read_buffer"/>
 
+	<!-- GL_ANGLE_texture_compression_dxt -->
+	<category name="ANGLE_texture_compression_dxt"/>
+
 	<function name="DrawBuffersNV" template="DrawBuffers"/>
 	<function name="ReadBufferNV" template="ReadBuffer"/> 
 
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index bd7c7baf9..4971ebc93 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -195,6 +195,8 @@ static const struct extension extension_table[] = {
    { "GL_EXT_texture3D",                           o(EXT_texture3D),                           GLL,            1996 },
    { "GL_EXT_texture_array",                       o(EXT_texture_array),                       GL,             2006 },
    { "GL_EXT_texture_compression_dxt1",            o(EXT_texture_compression_s3tc),            GL | ES1 | ES2, 2004 },
+   { "GL_ANGLE_texture_compression_dxt3",          o(ANGLE_texture_compression_dxt),           ES2,            2011 },
+   { "GL_ANGLE_texture_compression_dxt5",          o(ANGLE_texture_compression_dxt),           ES2,            2011 },
    { "GL_EXT_texture_compression_latc",            o(EXT_texture_compression_latc),            GL,             2006 },
    { "GL_EXT_texture_compression_rgtc",            o(ARB_texture_compression_rgtc),            GL,             2004 },
    { "GL_EXT_texture_compression_s3tc",            o(EXT_texture_compression_s3tc),            GL,             2000 },
@@ -480,6 +482,7 @@ _mesa_enable_sw_extensions(struct gl_context *ctx)
    ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
    _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
    if (ctx->Mesa_DXTn) {
+      ctx->Extensions.ANGLE_texture_compression_dxt = GL_TRUE;
       _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
       _mesa_enable_extension(ctx, "GL_S3_s3tc");
    }
diff --git a/mesalib/src/mesa/main/glformats.c b/mesalib/src/mesa/main/glformats.c
index 04029c07c..ccdf56b4f 100644
--- a/mesalib/src/mesa/main/glformats.c
+++ b/mesalib/src/mesa/main/glformats.c
@@ -791,8 +791,10 @@ _mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
       return ctx->Extensions.EXT_texture_compression_s3tc;
    case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
    case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
-      return _mesa_is_desktop_gl(ctx)
-         && ctx->Extensions.EXT_texture_compression_s3tc;
+      return (_mesa_is_desktop_gl(ctx) &&
+	      ctx->Extensions.EXT_texture_compression_s3tc) ||
+	     (ctx->API == API_OPENGLES2 &&
+	      ctx->Extensions.ANGLE_texture_compression_dxt);
    case GL_RGB_S3TC:
    case GL_RGB4_S3TC:
    case GL_RGBA_S3TC:
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index ba43e574d..e790e18c4 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2946,6 +2946,7 @@ struct gl_extensions
    GLboolean dummy;  /* don't remove this! */
    GLboolean dummy_true;  /* Set true by _mesa_init_extensions(). */
    GLboolean dummy_false; /* Set false by _mesa_init_extensions(). */
+   GLboolean ANGLE_texture_compression_dxt;
    GLboolean ARB_ES2_compatibility;
    GLboolean ARB_base_instance;
    GLboolean ARB_blend_func_extended;
diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c
index 17270ba92..f0bc7fdb9 100644
--- a/mesalib/src/mesa/main/texformat.c
+++ b/mesalib/src/mesa/main/texformat.c
@@ -302,7 +302,9 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
       }
    }
 
-   if (ctx->Extensions.EXT_texture_compression_s3tc) {
+   if (ctx->Extensions.EXT_texture_compression_s3tc ||
+       (ctx->API == API_OPENGLES2 &&
+	ctx->Extensions.ANGLE_texture_compression_dxt)) {
       switch (internalFormat) {
          case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
@@ -604,12 +606,16 @@ _mesa_choose_tex_format(struct gl_context *ctx, GLenum target,
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
             break;
          case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
-            if (ctx->Extensions.EXT_texture_compression_s3tc)
+            if (ctx->Extensions.EXT_texture_compression_s3tc ||
+		(ctx->API == API_OPENGLES2 &&
+		 ctx->Extensions.ANGLE_texture_compression_dxt))
 	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
             break;
          case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
-            if (ctx->Extensions.EXT_texture_compression_s3tc)
+            if (ctx->Extensions.EXT_texture_compression_s3tc ||
+		(ctx->API == API_OPENGLES2 &&
+		 ctx->Extensions.ANGLE_texture_compression_dxt))
 	       RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
 	    RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
             break;
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index afda0eaaf..019516f00 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -203,6 +203,18 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
       }
    }
 
+   /* GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE && GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE */
+   if (ctx->API == API_OPENGLES2 &&
+       ctx->Extensions.ANGLE_texture_compression_dxt) {
+      switch (internalFormat) {
+         case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+         case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+            return GL_RGBA;
+         default:
+            ; /* fallthrough */
+      }
+   }
+
    if (ctx->Extensions.S3_s3tc) {
       switch (internalFormat) {
          case GL_RGB_S3TC:
@@ -2043,28 +2055,6 @@ compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
       goto error;
    }
 
-   /* check image size against compression block size */
-   /* XXX possibly move this into the _mesa_legal_texture_dimensions() func */
-   {
-      gl_format texFormat =
-         ctx->Driver.ChooseTextureFormat(ctx, target, proxy_format,
-					 choose_format, choose_type);
-      GLuint bw, bh;
-
-      _mesa_get_format_block_size(texFormat, &bw, &bh);
-      if ((width > bw && width % bw > 0) ||
-          (height > bh && height % bh > 0)) {
-         /*
-          * Per GL_ARB_texture_compression:  GL_INVALID_OPERATION is
-          * generated [...] if any parameter combinations are not
-          * supported by the specific compressed internal format. 
-          */
-         reason = "invalid width or height for compression format";
-         error = GL_INVALID_OPERATION;
-         goto error;
-      }
-   }
-
    /* check image size in bytes */
    if (expectedSize != imageSize) {
       /* Per GL_ARB_texture_compression:  GL_INVALID_VALUE is generated [...]
diff --git a/mesalib/src/mesa/main/texstore.c b/mesalib/src/mesa/main/texstore.c
index e2598a1dc..e6914553c 100644
--- a/mesalib/src/mesa/main/texstore.c
+++ b/mesalib/src/mesa/main/texstore.c
@@ -4476,12 +4476,6 @@ _mesa_store_compressed_texsubimage(struct gl_context *ctx, GLuint dims,
 
    _mesa_get_format_block_size(texFormat, &bw, &bh);
 
-   /* these should have been caught sooner */
-   ASSERT((width % bw) == 0 || width < bw);
-   ASSERT((height % bh) == 0 || height < bh);
-   ASSERT((xoffset % bw) == 0);
-   ASSERT((yoffset % bh) == 0);
-
    /* get pointer to src pixels (may be in a pbo which we'll map here) */
    data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
                                                  &ctx->Unpack,
diff --git a/mesalib/src/mesa/program/register_allocate.c b/mesalib/src/mesa/program/register_allocate.c
index 97d4e331c..88793dbdc 100644
--- a/mesalib/src/mesa/program/register_allocate.c
+++ b/mesalib/src/mesa/program/register_allocate.c
@@ -555,6 +555,13 @@ ra_get_best_spill_node(struct ra_graph *g)
       if (cost <= 0.0)
 	 continue;
 
+      /* Only consider registers for spilling if they are still in the
+       * interference graph (those on the stack have already been proven to be
+       * allocatable without spilling).
+       */
+      if (g->nodes[n].in_stack)
+         continue;
+
       benefit = ra_get_spill_benefit(g, n);
 
       if (benefit / cost > best_benefit) {
author	marha <marha@users.sourceforge.net>	2012-10-04 10:58:53 +0200
committer	marha <marha@users.sourceforge.net>	2012-10-04 10:58:53 +0200
commit	bd13c464f728719fceb8a4918b52727ec125ea6e (patch)
tree	05a48375076036097a9e28356738c05a16cc5ed0 /mesalib
parent	bab6395ded69210cbc550c0fb3765160e4405283 (diff)
parent	0130346adbce7e6b2422429887fc46c76806d845 (diff)
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