fontconfig mesa xserver git update 24 oct 2013

xserver          commit 7ecfab47eb221dbb996ea6c033348b8eceaeb893
fontconfig       commit 76ea9af816a50c6bb0b3dc2960460a90fadd9cdb
mesa             commit a6e45b6a17462f4d261a2d176791469847356923

19 files changed, 204 insertions, 148 deletions

diff --git a/fontconfig/test/test-migration.c b/fontconfig/test/test-migration.c
index a0ab83902..970965186 100644
--- a/fontconfig/test/test-migration.c
+++ b/fontconfig/test/test-migration.c
@@ -4,6 +4,11 @@
 #include <unistd.h>
 #include <sys/types.h>
 #include <dirent.h>
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#endif
 #include <fontconfig/fontconfig.h>
 
 FcBool
@@ -36,6 +41,9 @@ unlink_dirs(const char *dir)
     size_t len = strlen (dir);
     char *n = NULL;
     FcBool ret = FcTrue;
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+    struct stat statb;
+#endif
 
     if (!d)
 	return FcFalse;
@@ -53,7 +61,17 @@ unlink_dirs(const char *dir)
 	strcpy (n, dir);
 	n[len] = '/';
 	strcpy (&n[len + 1], e->d_name);
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
 	if (e->d_type == DT_DIR)
+#else
+	if (stat (n, &statb) == -1)
+	{
+		fprintf (stderr, "E: %s\n", n);
+		ret = FcFalse;
+		break;
+	}
+	if (S_ISDIR (statb.st_mode))
+#endif
 	{
 	    if (!unlink_dirs (n))
 	    {
diff --git a/mesalib/configure.ac b/mesalib/configure.ac
index 08344c501..dfa35b41b 100644
--- a/mesalib/configure.ac
+++ b/mesalib/configure.ac
@@ -593,6 +593,12 @@ AC_ARG_ENABLE([opencl],
           @<:@default=no@:>@])],
    [],
    [enable_opencl=no])
+AC_ARG_ENABLE([opencl_icd],
+   [AS_HELP_STRING([--enable-opencl-icd],
+          [Build an OpenCL ICD library to be loaded by an ICD implementation
+           @<:@default=no@:>@])],
+    [enable_opencl_icd="$enableval"],
+    [enable_opencl_icd=no])
 AC_ARG_ENABLE([xlib-glx],
     [AS_HELP_STRING([--enable-xlib-glx],
         [make GLX library Xlib-based instead of DRI-based @<:@default=disabled@:>@])],
@@ -1337,8 +1343,8 @@ if test "x$enable_opencl" = xyes; then
         AC_MSG_ERROR([cannot enable OpenCL without Gallium])
     fi
 
-    if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6; then
-        AC_MSG_ERROR([gcc >= 4.6 is required to build clover])
+    if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 7; then
+        AC_MSG_ERROR([gcc >= 4.7 is required to build clover])
     fi
 
     if test "x$have_libclc" = xno; then
@@ -1356,8 +1362,16 @@ if test "x$enable_opencl" = xyes; then
     GALLIUM_STATE_TRACKERS_DIRS="$GALLIUM_STATE_TRACKERS_DIRS clover"
     GALLIUM_TARGET_DIRS="$GALLIUM_TARGET_DIRS opencl"
     enable_gallium_loader=yes
+
+    if test "x$enable_opencl_icd" = xyes; then
+        OPENCL_LIBNAME="MesaOpenCL"
+    else
+        OPENCL_LIBNAME="OpenCL"
+    fi
 fi
 AM_CONDITIONAL(HAVE_CLOVER, test "x$enable_opencl" = xyes)
+AM_CONDITIONAL(HAVE_CLOVER_ICD, test "x$enable_opencl_icd" = xyes)
+AC_SUBST([OPENCL_LIBNAME])
 
 dnl
 dnl Gallium configuration
diff --git a/mesalib/docs/GL3.txt b/mesalib/docs/GL3.txt
index a56e7fead..ff28ea6a8 100644
--- a/mesalib/docs/GL3.txt
+++ b/mesalib/docs/GL3.txt
@@ -64,8 +64,8 @@ Signed normalized textures (GL_EXT_texture_snorm)     DONE (i965, r300, r600)
 GL 3.2:
 
 Core/compatibility profiles                           DONE
-GLSL 1.50                                             in progress
-Geometry shaders (GL_ARB_geometry_shader4)            partially done
+GLSL 1.50                                             DONE (i965)
+Geometry shaders                                      DONE (i965)
 BGRA vertex order (GL_ARB_vertex_array_bgra)          DONE (i965, r300, r600, swrast)
 Base vertex offset(GL_ARB_draw_elements_base_vertex)  DONE (i965, r300, r600, swrast)
 Frag shader coord (GL_ARB_fragment_coord_conventions) DONE (i965, r300, r600, swrast)
@@ -79,7 +79,7 @@ GLX_ARB_create_context_profile                        DONE
 
 GL 3.3:
 
-GLSL 3.30                                             new features in this version pretty much done
+GLSL 3.30                                             DONE (i965)
 GL_ARB_blend_func_extended                            DONE (i965, r600, softpipe)
 GL_ARB_explicit_attrib_location                       DONE (i915, i965, r300, r600, swrast)
 GL_ARB_occlusion_query2                               DONE (i965, r300, r600, swrast)
@@ -157,7 +157,7 @@ ARB_robust_buffer_access_behavior                    not started
 ARB_shader_image_size                                not started
 ARB_shader_storage_buffer_object                     not started
 ARB_stencil_texturing                                not started
-ARB_texture_buffer_range                             DONE (nv50, nvc0)
+ARB_texture_buffer_range                             DONE (nv50, nvc0, i965)
 ARB_texture_query_levels                             DONE (i965)
 ARB_texture_storage_multisample                      DONE (i965)
 ARB_texture_view                                     not started
@@ -173,7 +173,7 @@ ARB_clear_texture                                    not started
 ARB_enhanced_layouts                                 not started
 ARB_multi_bind                                       not started
 ARB_query_buffer_object                              not started
-ARB_texture_mirror_clamp_to_edge                     not started
+ARB_texture_mirror_clamp_to_edge                     DONE (i965, nv30, nv50, nvc0, r300, r600, radeonsi, swrast)
 ARB_texture_stencil8                                 not started
 ARB_vertex_type_10f_11f_11f_rev                      not started
 
diff --git a/mesalib/docs/relnotes/10.0.html b/mesalib/docs/relnotes/10.0.html
index 0b25f49b5..ef550d154 100644
--- a/mesalib/docs/relnotes/10.0.html
+++ b/mesalib/docs/relnotes/10.0.html
@@ -48,6 +48,7 @@ Note: some of the new features are only available with certain drivers.
 <li>GL_ARB_conservative_depth on i965.</li>
 <li>GL_ARB_texture_gather on i965.</li>
 <li>GL_ARB_texture_query_levels on i965.</li>
+<li>GL_ARB_texture_mirror_clamp_to_edge.</li>
 <li>GL_KHR_debug</li>
 </ul>
 
diff --git a/mesalib/include/GL/gl.h b/mesalib/include/GL/gl.h
index babb7463e..6b94e3fb0 100644
--- a/mesalib/include/GL/gl.h
+++ b/mesalib/include/GL/gl.h
@@ -2086,26 +2086,6 @@ typedef void (APIENTRYP PFNGLMULTITEXCOORD4SVARBPROC) (GLenum target, const GLsh
 
 
 
-#if GL_ARB_shader_objects
-
-#ifndef GL_MESA_shader_debug
-#define GL_MESA_shader_debug 1
-
-#define GL_DEBUG_OBJECT_MESA              0x8759
-#define GL_DEBUG_PRINT_MESA               0x875A
-#define GL_DEBUG_ASSERT_MESA              0x875B
-
-GLAPI GLhandleARB GLAPIENTRY glCreateDebugObjectMESA (void);
-GLAPI void GLAPIENTRY glClearDebugLogMESA (GLhandleARB obj, GLenum logType, GLenum shaderType);
-GLAPI void GLAPIENTRY glGetDebugLogMESA (GLhandleARB obj, GLenum logType, GLenum shaderType, GLsizei maxLength,
-                                         GLsizei *length, GLcharARB *debugLog);
-GLAPI GLsizei GLAPIENTRY glGetDebugLogLengthMESA (GLhandleARB obj, GLenum logType, GLenum shaderType);
-
-#endif /* GL_MESA_shader_debug */
-
-#endif /* GL_ARB_shader_objects */
-
-
 /*
  * ???. GL_MESA_packed_depth_stencil
  * XXX obsolete
@@ -2122,27 +2102,6 @@ GLAPI GLsizei GLAPIENTRY glGetDebugLogLengthMESA (GLhandleARB obj, GLenum logTyp
 #endif /* GL_MESA_packed_depth_stencil */
 
 
-#ifndef GL_MESA_program_debug
-#define GL_MESA_program_debug 1
-
-#define GL_FRAGMENT_PROGRAM_POSITION_MESA       0x8bb0
-#define GL_FRAGMENT_PROGRAM_CALLBACK_MESA       0x8bb1
-#define GL_FRAGMENT_PROGRAM_CALLBACK_FUNC_MESA  0x8bb2
-#define GL_FRAGMENT_PROGRAM_CALLBACK_DATA_MESA  0x8bb3
-#define GL_VERTEX_PROGRAM_POSITION_MESA         0x8bb4
-#define GL_VERTEX_PROGRAM_CALLBACK_MESA         0x8bb5
-#define GL_VERTEX_PROGRAM_CALLBACK_FUNC_MESA    0x8bb6
-#define GL_VERTEX_PROGRAM_CALLBACK_DATA_MESA    0x8bb7
-
-typedef void (*GLprogramcallbackMESA)(GLenum target, GLvoid *data);
-
-GLAPI void GLAPIENTRY glProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback, GLvoid *data);
-
-GLAPI void GLAPIENTRY glGetProgramRegisterfvMESA(GLenum target, GLsizei len, const GLubyte *name, GLfloat *v);
-
-#endif /* GL_MESA_program_debug */
-
-
 #ifndef GL_MESA_texture_array
 #define GL_MESA_texture_array 1
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_blitter.c b/mesalib/src/gallium/auxiliary/util/u_blitter.c
index a51b9ef20..096d3bc2b 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blitter.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blitter.c
@@ -535,9 +535,9 @@ static void blitter_restore_textures(struct blitter_context_priv *ctx)
    ctx->base.saved_num_sampler_states = ~0;
 
    /* Fragment sampler views. */
-   pipe->set_fragment_sampler_views(pipe,
-                                    ctx->base.saved_num_sampler_views,
-                                    ctx->base.saved_sampler_views);
+   pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0,
+                           ctx->base.saved_num_sampler_views,
+                           ctx->base.saved_sampler_views);
 
    for (i = 0; i < ctx->base.saved_num_sampler_views; i++)
       pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL);
@@ -1309,7 +1309,7 @@ void util_blitter_blit_generic(struct blitter_context *blitter,
       views[0] = src;
       views[1] = pipe->create_sampler_view(pipe, src->texture, &templ);
 
-      pipe->set_fragment_sampler_views(pipe, 2, views);
+      pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 2, views);
       pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 2, samplers);
 
       pipe_sampler_view_reference(&views[1], NULL);
@@ -1324,13 +1324,13 @@ void util_blitter_blit_generic(struct blitter_context *blitter,
 
       view = pipe->create_sampler_view(pipe, src->texture, &templ);
 
-      pipe->set_fragment_sampler_views(pipe, 1, &view);
+      pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &view);
       pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
                                 0, 1, &sampler_state);
 
       pipe_sampler_view_reference(&view, NULL);
    } else {
-      pipe->set_fragment_sampler_views(pipe, 1, &src);
+      pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src);
       pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
                                 0, 1, &sampler_state);
    }
diff --git a/mesalib/src/glsl/Makefile.am b/mesalib/src/glsl/Makefile.am
index cbf253cb5..b9ed5b62b 100644
--- a/mesalib/src/glsl/Makefile.am
+++ b/mesalib/src/glsl/Makefile.am
@@ -32,6 +32,7 @@ AM_CXXFLAGS = $(VISIBILITY_CXXFLAGS)
 include Makefile.sources
 
 TESTS = glcpp/tests/glcpp-test				\
+	tests/general-ir-test				\
 	tests/optimization-test				\
 	tests/ralloc-test				\
 	tests/sampler-types-test                        \
@@ -45,12 +46,29 @@ noinst_LTLIBRARIES = libglsl.la libglcpp.la
 check_PROGRAMS =					\
 	glcpp/glcpp					\
 	glsl_test					\
+	tests/general-ir-test				\
 	tests/ralloc-test				\
 	tests/sampler-types-test			\
 	tests/uniform-initializer-test
 
 noinst_PROGRAMS = glsl_compiler
 
+tests_general_ir_test_SOURCES =		\
+	$(top_srcdir)/src/mesa/main/hash_table.c	\
+	$(top_srcdir)/src/mesa/main/imports.c		\
+	$(top_srcdir)/src/mesa/program/prog_hash_table.c\
+	$(top_srcdir)/src/mesa/program/symbol_table.c	\
+	$(GLSL_SRCDIR)/standalone_scaffolding.cpp \
+	tests/builtin_variable_test.cpp			\
+	tests/invalidate_locations_test.cpp		\
+	tests/general_ir_test.cpp
+tests_general_ir_test_CFLAGS =				\
+	$(PTHREAD_CFLAGS)
+tests_general_ir_test_LDADD =				\
+	$(top_builddir)/src/gtest/libgtest.la		\
+	$(top_builddir)/src/glsl/libglsl.la		\
+	$(PTHREAD_LIBS)
+
 tests_uniform_initializer_test_SOURCES =		\
 	$(top_srcdir)/src/mesa/main/hash_table.c	\
 	$(top_srcdir)/src/mesa/main/imports.c		\
diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp
index dfa32d920..b644b22c7 100644
--- a/mesalib/src/glsl/ast_to_hir.cpp
+++ b/mesalib/src/glsl/ast_to_hir.cpp
@@ -4876,7 +4876,6 @@ ast_interface_block::hir(exec_list *instructions,
                                       var_mode);
       }
 
-      var->init_interface_type(block_type);
       if (state->target == geometry_shader && var_mode == ir_var_shader_in)
          handle_geometry_shader_input_decl(state, loc, var);
 
diff --git a/mesalib/src/glsl/builtin_variables.cpp b/mesalib/src/glsl/builtin_variables.cpp
index 64f34061a..fc1115bc4 100644
--- a/mesalib/src/glsl/builtin_variables.cpp
+++ b/mesalib/src/glsl/builtin_variables.cpp
@@ -890,7 +890,6 @@ builtin_variable_generator::generate_varyings()
          this->per_vertex_in.construct_interface_instance();
       ir_variable *var = add_variable("gl_in", array(per_vertex_in_type, 0),
                                       ir_var_shader_in, -1);
-      var->init_interface_type(per_vertex_in_type);
    }
    if (state->target == vertex_shader || state->target == geometry_shader) {
       const glsl_type *per_vertex_out_type =
diff --git a/mesalib/src/glsl/glsl_parser.yy b/mesalib/src/glsl/glsl_parser.yy
index 00589e28e..0a0708e95 100644
--- a/mesalib/src/glsl/glsl_parser.yy
+++ b/mesalib/src/glsl/glsl_parser.yy
@@ -2372,6 +2372,7 @@ layout_defaults:
    | layout_qualifier IN_TOK ';'
    {
       void *ctx = state;
+      $$ = NULL;
       if (state->target != geometry_shader) {
          _mesa_glsl_error(& @1, state,
                           "input layout qualifiers only valid in "
@@ -2380,8 +2381,22 @@ layout_defaults:
          _mesa_glsl_error(& @1, state,
                           "input layout qualifiers must specify a primitive"
                           " type");
+      } else {
+         /* Make sure this is a valid input primitive type. */
+         switch ($1.prim_type) {
+         case GL_POINTS:
+         case GL_LINES:
+         case GL_LINES_ADJACENCY:
+         case GL_TRIANGLES:
+         case GL_TRIANGLES_ADJACENCY:
+            $$ = new(ctx) ast_gs_input_layout(@1, $1.prim_type);
+            break;
+         default:
+            _mesa_glsl_error(&@1, state,
+                             "invalid geometry shader input primitive type");
+            break;
+         }
       }
-      $$ = new(ctx) ast_gs_input_layout(@1, $1.prim_type);
    }
 
    | layout_qualifier OUT_TOK ';'
@@ -2390,8 +2405,22 @@ layout_defaults:
          _mesa_glsl_error(& @1, state,
                           "out layout qualifiers only valid in "
                           "geometry shaders");
-      } else if (!state->out_qualifier->merge_qualifier(& @1, state, $1)) {
-         YYERROR;
+      } else {
+         if ($1.flags.q.prim_type) {
+            /* Make sure this is a valid output primitive type. */
+            switch ($1.prim_type) {
+            case GL_POINTS:
+            case GL_LINE_STRIP:
+            case GL_TRIANGLE_STRIP:
+               break;
+            default:
+               _mesa_glsl_error(&@1, state, "invalid geometry shader output "
+                                "primitive type");
+               break;
+            }
+         }
+         if (!state->out_qualifier->merge_qualifier(& @1, state, $1))
+            YYERROR;
       }
       $$ = NULL;
    }
diff --git a/mesalib/src/glsl/ir.cpp b/mesalib/src/glsl/ir.cpp
index de9613e8f..54a8e400c 100644
--- a/mesalib/src/glsl/ir.cpp
+++ b/mesalib/src/glsl/ir.cpp
@@ -1603,8 +1603,15 @@ ir_variable::ir_variable(const struct glsl_type *type, const char *name,
    this->depth_layout = ir_depth_layout_none;
    this->used = false;
 
-   if (type && type->base_type == GLSL_TYPE_SAMPLER)
-      this->read_only = true;
+   if (type != NULL) {
+      if (type->base_type == GLSL_TYPE_SAMPLER)
+         this->read_only = true;
+
+      if (type->is_interface())
+         this->init_interface_type(type);
+      else if (type->is_array() && type->fields.array->is_interface())
+         this->init_interface_type(type->fields.array);
+   }
 }
 
 
diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp
index 9095a4015..b23c31a16 100644
--- a/mesalib/src/glsl/linker.cpp
+++ b/mesalib/src/glsl/linker.cpp
@@ -366,35 +366,38 @@ parse_program_resource_name(const GLchar *name,
 
 
 void
-link_invalidate_variable_locations(gl_shader *sh, int input_base,
-                                   int output_base)
+link_invalidate_variable_locations(exec_list *ir)
 {
-   foreach_list(node, sh->ir) {
+   foreach_list(node, ir) {
       ir_variable *const var = ((ir_instruction *) node)->as_variable();
 
       if (var == NULL)
          continue;
 
-      int base;
-      switch (var->mode) {
-      case ir_var_shader_in:
-         base = input_base;
-         break;
-      case ir_var_shader_out:
-         base = output_base;
-         break;
-      default:
-         continue;
-      }
-
-      /* Only assign locations for generic attributes / varyings / etc.
+      /* Only assign locations for variables that lack an explicit location.
+       * Explicit locations are set for all built-in variables, generic vertex
+       * shader inputs (via layout(location=...)), and generic fragment shader
+       * outputs (also via layout(location=...)).
        */
-      if ((var->location >= base) && !var->explicit_location)
+      if (!var->explicit_location) {
          var->location = -1;
+         var->location_frac = 0;
+      }
 
-      if ((var->location == -1) && !var->explicit_location) {
+      /* ir_variable::is_unmatched_generic_inout is used by the linker while
+       * connecting outputs from one stage to inputs of the next stage.
+       *
+       * There are two implicit assumptions here.  First, we assume that any
+       * built-in variable (i.e., non-generic in or out) will have
+       * explicit_location set.  Second, we assume that any generic in or out
+       * will not have explicit_location set.
+       *
+       * This second assumption will only be valid until
+       * GL_ARB_separate_shader_objects is supported.  When that extension is
+       * implemented, this function will need some modifications.
+       */
+      if (!var->explicit_location) {
          var->is_unmatched_generic_inout = 1;
-         var->location_frac = 0;
       } else {
          var->is_unmatched_generic_inout = 0;
       }
@@ -2057,14 +2060,10 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
       }
    }
 
-   /* Previous to GLSL version 1.30, different compilation units could mix and
-    * match shading language versions.  With GLSL 1.30 and later, the versions
-    * of all shaders must match.
-    *
-    * GLSL ES has never allowed mixing of shading language versions.
+   /* In desktop GLSL, different shader versions may be linked together.  In
+    * GLSL ES, all shader versions must be the same.
     */
-   if ((is_es_prog || max_version >= 130)
-       && min_version != max_version) {
+   if (is_es_prog && min_version != max_version) {
       linker_error(prog, "all shaders must use same shading "
 		   "language version\n");
       goto done;
@@ -2221,18 +2220,15 @@ link_shaders(struct gl_context *ctx, struct gl_shader_program *prog)
    /* Mark all generic shader inputs and outputs as unpaired. */
    if (prog->_LinkedShaders[MESA_SHADER_VERTEX] != NULL) {
       link_invalidate_variable_locations(
-            prog->_LinkedShaders[MESA_SHADER_VERTEX],
-            VERT_ATTRIB_GENERIC0, VARYING_SLOT_VAR0);
+            prog->_LinkedShaders[MESA_SHADER_VERTEX]->ir);
    }
    if (prog->_LinkedShaders[MESA_SHADER_GEOMETRY] != NULL) {
       link_invalidate_variable_locations(
-            prog->_LinkedShaders[MESA_SHADER_GEOMETRY],
-            VARYING_SLOT_VAR0, VARYING_SLOT_VAR0);
+            prog->_LinkedShaders[MESA_SHADER_GEOMETRY]->ir);
    }
    if (prog->_LinkedShaders[MESA_SHADER_FRAGMENT] != NULL) {
       link_invalidate_variable_locations(
-            prog->_LinkedShaders[MESA_SHADER_FRAGMENT],
-            VARYING_SLOT_VAR0, FRAG_RESULT_DATA0);
+            prog->_LinkedShaders[MESA_SHADER_FRAGMENT]->ir);
    }
 
    /* FINISHME: The value of the max_attribute_index parameter is
diff --git a/mesalib/src/glsl/linker.h b/mesalib/src/glsl/linker.h
index 8a0027d2b..887cd33d1 100644
--- a/mesalib/src/glsl/linker.h
+++ b/mesalib/src/glsl/linker.h
@@ -31,8 +31,7 @@ link_function_calls(gl_shader_program *prog, gl_shader *main,
 		    gl_shader **shader_list, unsigned num_shaders);
 
 extern void
-link_invalidate_variable_locations(gl_shader *sh, enum ir_variable_mode mode,
-				   int generic_base);
+link_invalidate_variable_locations(exec_list *ir);
 
 extern void
 link_assign_uniform_locations(struct gl_shader_program *prog);
diff --git a/mesalib/src/glsl/opt_algebraic.cpp b/mesalib/src/glsl/opt_algebraic.cpp
index 3e5802e18..37b2f02c6 100644
--- a/mesalib/src/glsl/opt_algebraic.cpp
+++ b/mesalib/src/glsl/opt_algebraic.cpp
@@ -210,6 +210,34 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
       this->mem_ctx = ralloc_parent(ir);
 
    switch (ir->operation) {
+   case ir_unop_abs:
+      if (op_expr[0] == NULL)
+	 break;
+
+      switch (op_expr[0]->operation) {
+      case ir_unop_abs:
+      case ir_unop_neg:
+         this->progress = true;
+         temp = new(mem_ctx) ir_expression(ir_unop_abs,
+                                           ir->type,
+                                           op_expr[0]->operands[0],
+                                           NULL);
+         return swizzle_if_required(ir, temp);
+      default:
+         break;
+      }
+      break;
+
+   case ir_unop_neg:
+      if (op_expr[0] == NULL)
+	 break;
+
+      if (op_expr[0]->operation == ir_unop_neg) {
+         this->progress = true;
+         return swizzle_if_required(ir, op_expr[0]->operands[0]);
+      }
+      break;
+
    case ir_unop_logic_not: {
       enum ir_expression_operation new_op = ir_unop_logic_not;
 
@@ -257,11 +285,9 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
        * folding.
        */
       if (op_const[0] && !op_const[1])
-	 reassociate_constant(ir, 0, op_const[0],
-			      ir->operands[1]->as_expression());
+	 reassociate_constant(ir, 0, op_const[0], op_expr[1]);
       if (op_const[1] && !op_const[0])
-	 reassociate_constant(ir, 1, op_const[1],
-			      ir->operands[0]->as_expression());
+	 reassociate_constant(ir, 1, op_const[1], op_expr[0]);
       break;
 
    case ir_binop_sub:
@@ -315,11 +341,9 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
        * constant folding.
        */
       if (op_const[0] && !op_const[1])
-	 reassociate_constant(ir, 0, op_const[0],
-			      ir->operands[1]->as_expression());
+	 reassociate_constant(ir, 0, op_const[0], op_expr[1]);
       if (op_const[1] && !op_const[0])
-	 reassociate_constant(ir, 1, op_const[1],
-			      ir->operands[0]->as_expression());
+	 reassociate_constant(ir, 1, op_const[1], op_expr[0]);
 
       break;
 
diff --git a/mesalib/src/mapi/glapi/gen/gl_API.xml b/mesalib/src/mapi/glapi/gen/gl_API.xml
index 48fce36ab..30ab9c9c1 100644
--- a/mesalib/src/mapi/glapi/gen/gl_API.xml
+++ b/mesalib/src/mapi/glapi/gen/gl_API.xml
@@ -13027,38 +13027,6 @@
     <enum name="RGBA8_SNORM"                              value="0x8F97"/>
 </category>
 
-<category name="GL_MESA_shader_debug">
-    <enum name="DEBUG_OBJECT_MESA"                        value="0x8759"/>
-    <enum name="DEBUG_PRINT_MESA"                         value="0x875A"/>
-    <enum name="DEBUG_ASSERT_MESA"                        value="0x875B"/>
-    <function name="CreateDebugObjectMESA" exec="skip">
-        <return type="GLhandleARB"/>
-        <glx ignore="true"/>
-    </function>
-    <function name="ClearDebugLogMESA" exec="skip">
-        <param name="obj" type="GLhandleARB"/>
-        <param name="logType" type="GLenum"/>
-        <param name="shaderType" type="GLenum"/>
-        <glx ignore="true"/>
-    </function>
-    <function name="GetDebugLogMESA" exec="skip">
-        <param name="obj" type="GLhandleARB"/>
-        <param name="logType" type="GLenum"/>
-        <param name="shaderType" type="GLenum"/>
-        <param name="maxLength" type="GLsizei"/>
-        <param name="length" type="GLsizei *" output="true"/>
-        <param name="debugLog" type="GLcharARB *" output="true"/>
-        <glx ignore="true"/>
-    </function>
-    <function name="GetDebugLogLengthMESA" exec="skip">
-        <return type="GLsizei"/>
-        <param name="obj" type="GLhandleARB"/>
-        <param name="logType" type="GLenum"/>
-        <param name="shaderType" type="GLenum"/>
-        <glx ignore="true"/>
-    </function>
-</category>
-
 <category name="GL_SGIS_point_parameters">
     <enum name="POINT_SIZE_MIN_SGIS"           count="1"  value="0x8126">
         <size name="PointParameterfv"/>
diff --git a/mesalib/src/mesa/main/macros.h b/mesalib/src/mesa/main/macros.h
index 880c6564e..379f75663 100644
--- a/mesalib/src/mesa/main/macros.h
+++ b/mesalib/src/mesa/main/macros.h
@@ -193,7 +193,7 @@ static INLINE uint32_t
 U_FIXED(float value, uint32_t frac_bits)
 {
    value *= (1 << frac_bits);
-   return value < 0 ? 0 : value;
+   return value < 0.0f ? 0 : (uint32_t) value;
 }
 
 /**
@@ -201,10 +201,10 @@ U_FIXED(float value, uint32_t frac_bits)
  *
  * \param frac_bits   The number of bits used to store the fractional part.
  */
-static INLINE uint32_t
+static INLINE int32_t
 S_FIXED(float value, uint32_t frac_bits)
 {
-   return value * (1 << frac_bits);
+   return (int32_t) (value * (1 << frac_bits));
 }
 /*@}*/
 
diff --git a/mesalib/src/mesa/main/querymatrix.c b/mesalib/src/mesa/main/querymatrix.c
index aee8aef12..19a8e9201 100644
--- a/mesalib/src/mesa/main/querymatrix.c
+++ b/mesalib/src/mesa/main/querymatrix.c
@@ -38,6 +38,7 @@
 #define FLOAT_TO_FIXED(x) ((GLfixed) ((x) * 65536.0))
 
 #if defined(_MSC_VER)
+#if _MSC_VER < 1800  /* Not required on VS2013 and above. */
 /* Oddly, the fpclassify() function doesn't exist in such a form
  * on MSVC.  This is an implementation using slightly different
  * lower-level Windows functions.
@@ -70,6 +71,7 @@ fpclassify(double x)
             return FP_NAN;
     }
 }
+#endif  /* _MSC_VER < 1800 */
 
 #elif defined(__APPLE__) || defined(__CYGWIN__) || defined(__FreeBSD__) || \
      defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || \
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index a440ae2a8..c35723087 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -1,8 +1,8 @@
 /**************************************************************************
- * 
+ *
  * Copyright 2007 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
@@ -10,11 +10,11 @@
  * 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.
@@ -22,7 +22,7 @@
  * 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.
- * 
+ *
  **************************************************************************/
 
 /*
@@ -72,7 +72,7 @@ static GLboolean
 all_varyings_in_vbos(const struct gl_client_array *arrays[])
 {
    GLuint i;
-   
+
    for (i = 0; i < VERT_ATTRIB_MAX; i++)
       if (arrays[i]->StrideB &&
           !arrays[i]->InstanceDivisor &&
@@ -104,6 +104,7 @@ setup_index_buffer(struct st_context *st,
       ibuffer->offset = pointer_to_offset(ib->ptr);
    }
    else if (st->indexbuf_uploader) {
+      /* upload indexes from user memory into a real buffer */
       if (u_upload_data(st->indexbuf_uploader, 0,
                         ib->count * ibuffer->index_size, ib->ptr,
                         &ibuffer->offset, &ibuffer->buffer) != PIPE_OK) {
@@ -222,6 +223,7 @@ st_draw_vbo(struct gl_context *ctx,
    }
 
    util_draw_init_info(&info);
+
    if (ib) {
       /* Get index bounds for user buffers. */
       if (!index_bounds_valid)
@@ -256,7 +258,7 @@ st_draw_vbo(struct gl_context *ctx,
 
    /* do actual drawing */
    for (i = 0; i < nr_prims; i++) {
-      info.mode = translate_prim( ctx, prims[i].mode );
+      info.mode = translate_prim(ctx, prims[i].mode);
       info.start = prims[i].start;
       info.count = prims[i].count;
       info.start_instance = prims[i].base_instance;
@@ -282,8 +284,9 @@ st_draw_vbo(struct gl_context *ctx,
          /* don't trim, restarts might be inside index list */
          cso_draw_vbo(st->cso_context, &info);
       }
-      else if (u_trim_pipe_prim(prims[i].mode, &info.count))
+      else if (u_trim_pipe_prim(prims[i].mode, &info.count)) {
          cso_draw_vbo(st->cso_context, &info);
+      }
    }
 
    if (ib && st->indexbuf_uploader && !_mesa_is_bufferobj(ib->obj)) {
diff --git a/xorg-server/glx/glxdricommon.c b/xorg-server/glx/glxdricommon.c
index b027f2498..0ab3e3071 100644
--- a/xorg-server/glx/glxdricommon.c
+++ b/xorg-server/glx/glxdricommon.c
@@ -211,6 +211,14 @@ glxConvertConfigs(const __DRIcoreExtension * core,
 
 static const char dri_driver_path[] = DRI_DRIVER_PATH;
 
+/* Temporary define to allow building without a dri_interface.h from
+ * updated Mesa.  Some day when we don't care about Mesa that old any
+ * more this can be removed.
+ */
+#ifndef __DRI_DRIVER_GET_EXTENSIONS
+#define __DRI_DRIVER_GET_EXTENSIONS "__driDriverGetExtensions"
+#endif
+
 void *
 glxProbeDriver(const char *driverName,
                void **coreExt, const char *coreName, int coreVersion,
@@ -219,7 +227,8 @@ glxProbeDriver(const char *driverName,
     int i;
     void *driver;
     char filename[PATH_MAX];
-    const __DRIextension **extensions;
+    char *get_extensions_name;
+    const __DRIextension **extensions = NULL;
 
     snprintf(filename, sizeof filename, "%s/%s_dri.so",
              dri_driver_path, driverName);
@@ -231,7 +240,18 @@ glxProbeDriver(const char *driverName,
         goto cleanup_failure;
     }
 
-    extensions = dlsym(driver, __DRI_DRIVER_EXTENSIONS);
+    if (asprintf(&get_extensions_name, "%s_%s",
+                 __DRI_DRIVER_GET_EXTENSIONS, driverName) != -1) {
+        const __DRIextension **(*get_extensions)(void);
+
+        get_extensions = dlsym(driver, get_extensions_name);
+        if (get_extensions)
+            extensions = get_extensions();
+        free(get_extensions_name);
+    }
+
+    if (!extensions)
+        extensions = dlsym(driver, __DRI_DRIVER_EXTENSIONS);
     if (extensions == NULL) {
         LogMessage(X_ERROR, "AIGLX error: %s exports no extensions (%s)\n",
                    driverName, dlerror());