xwininfo libX11 libXmu libxcb mesa xserver xkeyboard-config git update 29

aug 2011

24 files changed, 581 insertions, 114 deletions

diff --git a/mesalib/src/glsl/.dir-locals.el b/mesalib/src/glsl/.dir-locals.el
new file mode 100644
index 000000000..be19e29a5
--- /dev/null
+++ b/mesalib/src/glsl/.dir-locals.el
@@ -0,0 +1,3 @@
+((c-mode . ((c-basic-offset . 3)))
+ (c++-mode . ((c-basic-offset . 3)))
+)
diff --git a/mesalib/src/glsl/Android.gen.mk b/mesalib/src/glsl/Android.gen.mk
new file mode 100644
index 000000000..e4ccb7291
--- /dev/null
+++ b/mesalib/src/glsl/Android.gen.mk
@@ -0,0 +1,98 @@
+# Mesa 3-D graphics library
+#
+# Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
+# Copyright (C) 2010-2011 LunarG Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+# included by glsl Android.mk for source generation
+
+ifeq ($(LOCAL_MODULE_CLASS),)
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+endif
+
+intermediates := $(call local-intermediates-dir)
+
+sources := \
+	glsl_lexer.cpp \
+	glsl_parser.cpp \
+	glcpp/glcpp-lex.c \
+	glcpp/glcpp-parse.c
+
+ifneq ($(LOCAL_IS_HOST_MODULE),true)
+sources += builtin_function.cpp
+endif
+
+LOCAL_SRC_FILES := $(filter-out $(sources), $(LOCAL_SRC_FILES))
+
+LOCAL_C_INCLUDES += $(intermediates) $(intermediates)/glcpp $(MESA_TOP)/src/glsl/glcpp
+
+sources := $(addprefix $(intermediates)/, $(sources))
+LOCAL_GENERATED_SOURCES += $(sources)
+
+define local-l-or-ll-to-c-or-cpp
+	@mkdir -p $(dir $@)
+	@echo "Mesa Lex: $(PRIVATE_MODULE) <= $<"
+	$(hide) $(LEX) --nounistd -o$@ $<
+endef
+
+define local-y-to-c-and-h
+	@mkdir -p $(dir $@)
+	@echo "Mesa Yacc: $(PRIVATE_MODULE) <= $<"
+	$(hide) $(YACC) -o $@ $<
+endef
+
+define local-yy-to-cpp-and-h
+	@mkdir -p $(dir $@)
+	@echo "Mesa Yacc: $(PRIVATE_MODULE) <= $<"
+	$(hide) $(YACC) -p "_mesa_glsl_" -o $@ $<
+	touch $(@:$1=$(YACC_HEADER_SUFFIX))
+	echo '#ifndef '$(@F:$1=_h) > $(@:$1=.h)
+	echo '#define '$(@F:$1=_h) >> $(@:$1=.h)
+	cat $(@:$1=$(YACC_HEADER_SUFFIX)) >> $(@:$1=.h)
+	echo '#endif' >> $(@:$1=.h)
+	rm -f $(@:$1=$(YACC_HEADER_SUFFIX))
+endef
+
+$(intermediates)/glsl_lexer.cpp: $(LOCAL_PATH)/glsl_lexer.ll
+	$(call local-l-or-ll-to-c-or-cpp)
+
+$(intermediates)/glsl_parser.cpp: $(LOCAL_PATH)/glsl_parser.yy
+	$(call local-yy-to-cpp-and-h,.cpp)
+
+$(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)
+
+BUILTIN_COMPILER := $(BUILD_OUT_EXECUTABLES)/mesa_builtin_compiler$(BUILD_EXECUTABLE_SUFFIX)
+
+builtin_function_deps := \
+	$(LOCAL_PATH)/builtins/tools/generate_builtins.py \
+	$(LOCAL_PATH)/builtins/tools/texture_builtins.py \
+	$(BUILTIN_COMPILER) \
+	$(wildcard $(LOCAL_PATH)/builtins/profiles/*) \
+       	$(wildcard $(LOCAL_PATH)/builtins/ir/*)
+
+$(intermediates)/builtin_function.cpp: PRIVATE_SCRIPT := $(MESA_PYTHON2) $(LOCAL_PATH)/builtins/tools/generate_builtins.py
+$(intermediates)/builtin_function.cpp: $(builtin_function_deps)
+	@mkdir -p $(dir $@)
+	@echo "Gen GLSL: $(PRIVATE_MODULE) <= $(notdir $@)"
+	$(hide) $(PRIVATE_SCRIPT) $(BUILTIN_COMPILER) > $@ || rm -f $@
diff --git a/mesalib/src/glsl/Android.mk b/mesalib/src/glsl/Android.mk
new file mode 100644
index 000000000..d0b3ff3be
--- /dev/null
+++ b/mesalib/src/glsl/Android.mk
@@ -0,0 +1,171 @@
+# Mesa 3-D graphics library
+#
+# Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
+# Copyright (C) 2010-2011 LunarG Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+# Android.mk for glsl
+
+LOCAL_PATH := $(call my-dir)
+
+# from Makefile
+LIBGLCPP_SOURCES = \
+	glcpp/glcpp-lex.c \
+	glcpp/glcpp-parse.c \
+	glcpp/pp.c
+
+C_SOURCES = \
+	strtod.c \
+	ralloc.c \
+	$(LIBGLCPP_SOURCES)
+
+CXX_SOURCES = \
+	ast_expr.cpp \
+	ast_function.cpp \
+	ast_to_hir.cpp \
+	ast_type.cpp \
+	glsl_lexer.cpp \
+	glsl_parser.cpp \
+	glsl_parser_extras.cpp \
+	glsl_types.cpp \
+	glsl_symbol_table.cpp \
+	hir_field_selection.cpp \
+	ir_basic_block.cpp \
+	ir_clone.cpp \
+	ir_constant_expression.cpp \
+	ir.cpp \
+	ir_expression_flattening.cpp \
+	ir_function_can_inline.cpp \
+	ir_function_detect_recursion.cpp \
+	ir_function.cpp \
+	ir_hierarchical_visitor.cpp \
+	ir_hv_accept.cpp \
+	ir_import_prototypes.cpp \
+	ir_print_visitor.cpp \
+	ir_reader.cpp \
+	ir_rvalue_visitor.cpp \
+	ir_set_program_inouts.cpp \
+	ir_validate.cpp \
+	ir_variable.cpp \
+	ir_variable_refcount.cpp \
+	linker.cpp \
+	link_functions.cpp \
+	loop_analysis.cpp \
+	loop_controls.cpp \
+	loop_unroll.cpp \
+	lower_discard.cpp \
+	lower_if_to_cond_assign.cpp \
+	lower_instructions.cpp \
+	lower_jumps.cpp \
+	lower_mat_op_to_vec.cpp \
+	lower_noise.cpp \
+	lower_texture_projection.cpp \
+	lower_variable_index_to_cond_assign.cpp \
+	lower_vec_index_to_cond_assign.cpp \
+	lower_vec_index_to_swizzle.cpp \
+	lower_vector.cpp \
+	opt_algebraic.cpp \
+	opt_constant_folding.cpp \
+	opt_constant_propagation.cpp \
+	opt_constant_variable.cpp \
+	opt_copy_propagation.cpp \
+	opt_copy_propagation_elements.cpp \
+	opt_dead_code.cpp \
+	opt_dead_code_local.cpp \
+	opt_dead_functions.cpp \
+	opt_discard_simplification.cpp \
+	opt_function_inlining.cpp \
+	opt_if_simplification.cpp \
+	opt_noop_swizzle.cpp \
+	opt_redundant_jumps.cpp \
+	opt_structure_splitting.cpp \
+	opt_swizzle_swizzle.cpp \
+	opt_tree_grafting.cpp \
+	s_expression.cpp
+
+# ---------------------------------------
+# Build libmesa_glsl
+# ---------------------------------------
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+	$(C_SOURCES) \
+	$(CXX_SOURCES) \
+	builtin_function.cpp
+
+LOCAL_C_INCLUDES := \
+	$(MESA_TOP)/src/mapi \
+	$(MESA_TOP)/src/mesa
+
+LOCAL_MODULE := libmesa_glsl
+
+include $(LOCAL_PATH)/Android.gen.mk
+include $(MESA_COMMON_MK)
+include $(BUILD_STATIC_LIBRARY)
+
+# ---------------------------------------
+# Build mesa_builtin_compiler for host
+# ---------------------------------------
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+	$(C_SOURCES) \
+	$(CXX_SOURCES) \
+	builtin_stubs.cpp \
+	main.cpp \
+	standalone_scaffolding.cpp
+
+LOCAL_C_INCLUDES := \
+	$(MESA_TOP)/src/mapi \
+	$(MESA_TOP)/src/mesa
+
+LOCAL_STATIC_LIBRARIES := libmesa_glsl_utils
+
+LOCAL_MODULE := mesa_builtin_compiler
+
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_IS_HOST_MODULE := true
+include $(LOCAL_PATH)/Android.gen.mk
+include $(MESA_COMMON_MK)
+include $(BUILD_HOST_EXECUTABLE)
+
+# ---------------------------------------
+# Build glsl_compiler
+# ---------------------------------------
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+	main.cpp \
+	standalone_scaffolding.cpp
+
+LOCAL_C_INCLUDES := \
+	$(MESA_TOP)/src/mapi \
+	$(MESA_TOP)/src/mesa
+
+LOCAL_STATIC_LIBRARIES := libmesa_glsl libmesa_glsl_utils
+
+LOCAL_MODULE_TAGS := eng
+LOCAL_MODULE := glsl_compiler
+
+include $(MESA_COMMON_MK)
+include $(BUILD_EXECUTABLE)
diff --git a/mesalib/src/glsl/ast_function.cpp b/mesalib/src/glsl/ast_function.cpp
index 5b6ed3bc8..ca45934a4 100644
--- a/mesalib/src/glsl/ast_function.cpp
+++ b/mesalib/src/glsl/ast_function.cpp
@@ -134,6 +134,8 @@ match_function_by_name(exec_list *instructions, const char *name,
       }
    }
 
+   exec_list post_call_conversions;
+
    if (sig != NULL) {
       /* Verify that 'out' and 'inout' actual parameters are lvalues.  This
        * isn't done in ir_function::matching_signature because that function
@@ -141,6 +143,12 @@ match_function_by_name(exec_list *instructions, const char *name,
        *
        * Also, validate that 'const_in' formal parameters (an extension of our
        * IR) correspond to ir_constant actual parameters.
+       *
+       * Also, perform implicit conversion of arguments.  Note: to implicitly
+       * convert out parameters, we need to place them in a temporary
+       * variable, and do the conversion after the call takes place.  Since we
+       * haven't emitted the call yet, we'll place the post-call conversions
+       * in a temporary exec_list, and emit them later.
        */
       exec_list_iterator actual_iter = actual_parameters->iterator();
       exec_list_iterator formal_iter = sig->parameters.iterator();
@@ -156,6 +164,7 @@ match_function_by_name(exec_list *instructions, const char *name,
 	    _mesa_glsl_error(loc, state,
 			     "parameter `%s' must be a constant expression",
 			     formal->name);
+	    return ir_call::get_error_instruction(ctx);
 	 }
 
 	 if ((formal->mode == ir_var_out)
@@ -185,8 +194,64 @@ match_function_by_name(exec_list *instructions, const char *name,
 	 }
 
 	 if (formal->type->is_numeric() || formal->type->is_boolean()) {
-	    ir_rvalue *converted = convert_component(actual, formal->type);
-	    actual->replace_with(converted);
+            switch (formal->mode) {
+            case ir_var_const_in:
+            case ir_var_in: {
+               ir_rvalue *converted
+                  = convert_component(actual, formal->type);
+               actual->replace_with(converted);
+               break;
+            }
+            case ir_var_out:
+               if (actual->type != formal->type) {
+                  /* To convert an out parameter, we need to create a
+                   * temporary variable to hold the value before conversion,
+                   * and then perform the conversion after the function call
+                   * returns.
+                   *
+                   * This has the effect of transforming code like this:
+                   *
+                   *   void f(out int x);
+                   *   float value;
+                   *   f(value);
+                   *
+                   * Into IR that's equivalent to this:
+                   *
+                   *   void f(out int x);
+                   *   float value;
+                   *   int out_parameter_conversion;
+                   *   f(out_parameter_conversion);
+                   *   value = float(out_parameter_conversion);
+                   */
+                  ir_variable *tmp =
+                     new(ctx) ir_variable(formal->type,
+                                          "out_parameter_conversion",
+                                          ir_var_temporary);
+                  instructions->push_tail(tmp);
+                  ir_dereference_variable *deref_tmp_1
+                     = new(ctx) ir_dereference_variable(tmp);
+                  ir_dereference_variable *deref_tmp_2
+                     = new(ctx) ir_dereference_variable(tmp);
+                  ir_rvalue *converted_tmp
+                     = convert_component(deref_tmp_1, actual->type);
+                  ir_assignment *assignment
+                     = new(ctx) ir_assignment(actual, converted_tmp);
+                  post_call_conversions.push_tail(assignment);
+                  actual->replace_with(deref_tmp_2);
+               }
+               break;
+            case ir_var_inout:
+               /* Inout parameters should never require conversion, since that
+                * would require an implicit conversion to exist both to and
+                * from the formal parameter type, and there are no
+                * bidirectional implicit conversions.
+                */
+               assert (actual->type == formal->type);
+               break;
+            default:
+               assert (!"Illegal formal parameter mode");
+               break;
+            }
 	 }
 
 	 actual_iter.next();
@@ -196,8 +261,11 @@ match_function_by_name(exec_list *instructions, const char *name,
       /* Always insert the call in the instruction stream, and return a deref
        * of its return val if it returns a value, since we don't know if
        * the rvalue is going to be assigned to anything or not.
+       *
+       * Also insert any out parameter conversions after the call.
        */
       ir_call *call = new(ctx) ir_call(sig, actual_parameters);
+      ir_dereference_variable *deref;
       if (!sig->return_type->is_void()) {
          /* If the function call is a constant expression, don't
           * generate the instructions to call it; just generate an
@@ -214,7 +282,6 @@ match_function_by_name(exec_list *instructions, const char *name,
          }
 
 	 ir_variable *var;
-	 ir_dereference_variable *deref;
 
 	 var = new(ctx) ir_variable(sig->return_type,
 				    ralloc_asprintf(ctx, "%s_retval",
@@ -227,11 +294,12 @@ match_function_by_name(exec_list *instructions, const char *name,
 	 instructions->push_tail(assign);
 
 	 deref = new(ctx) ir_dereference_variable(var);
-	 return deref;
       } else {
 	 instructions->push_tail(call);
-	 return NULL;
+	 deref = NULL;
       }
+      instructions->append_list(&post_call_conversions);
+      return deref;
    } else {
       char *str = prototype_string(NULL, name, actual_parameters);
 
diff --git a/mesalib/src/glsl/ast_to_hir.cpp b/mesalib/src/glsl/ast_to_hir.cpp
index 2025911ac..9e7496b4b 100644
--- a/mesalib/src/glsl/ast_to_hir.cpp
+++ b/mesalib/src/glsl/ast_to_hir.cpp
@@ -653,6 +653,16 @@ validate_assignment(struct _mesa_glsl_parse_state *state,
    return NULL;
 }
 
+static void
+mark_whole_array_access(ir_rvalue *access)
+{
+   ir_dereference_variable *deref = access->as_dereference_variable();
+
+   if (deref && deref->var) {
+      deref->var->max_array_access = deref->type->length - 1;
+   }
+}
+
 ir_rvalue *
 do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state,
 	      ir_rvalue *lhs, ir_rvalue *rhs, bool is_initializer,
@@ -713,6 +723,7 @@ do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state,
 						   rhs->type->array_size());
 	 d->type = var->type;
       }
+      mark_whole_array_access(lhs);
    }
 
    /* Most callers of do_assignment (assign, add_assign, pre_inc/dec,
@@ -773,16 +784,6 @@ ast_node::hir(exec_list *instructions,
    return NULL;
 }
 
-static void
-mark_whole_array_access(ir_rvalue *access)
-{
-   ir_dereference_variable *deref = access->as_dereference_variable();
-
-   if (deref) {
-      deref->var->max_array_access = deref->type->length - 1;
-   }
-}
-
 static ir_rvalue *
 do_comparison(void *mem_ctx, int operation, ir_rvalue *op0, ir_rvalue *op1)
 {
diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.y b/mesalib/src/glsl/glcpp/glcpp-parse.y
index 0a35e88ce..940830416 100644
--- a/mesalib/src/glsl/glcpp/glcpp-parse.y
+++ b/mesalib/src/glsl/glcpp/glcpp-parse.y
@@ -1132,8 +1132,10 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api)
 	   if (extensions->ARB_shader_texture_lod)
 	      add_builtin_define(parser, "GL_ARB_shader_texture_lod", 1);
 
-	   if (extensions->AMD_conservative_depth)
+	   if (extensions->AMD_conservative_depth) {
 	      add_builtin_define(parser, "GL_AMD_conservative_depth", 1);
+	      add_builtin_define(parser, "GL_ARB_conservative_depth", 1);
+	   }
 	}
 
 	language_version = 110;
diff --git a/mesalib/src/glsl/glsl_parser.yy b/mesalib/src/glsl/glsl_parser.yy
index 1851f1e20..25d02fb1e 100644
--- a/mesalib/src/glsl/glsl_parser.yy
+++ b/mesalib/src/glsl/glsl_parser.yy
@@ -1111,7 +1111,7 @@ layout_qualifier_id:
 	      }
 	   }
 
-	   /* Layout qualifiers for AMD_conservative_depth. */
+	   /* Layout qualifiers for AMD/ARB_conservative_depth. */
 	   if (!got_one && state->AMD_conservative_depth_enable) {
 	      if (strcmp($1, "depth_any") == 0) {
 	         got_one = true;
@@ -1129,7 +1129,7 @@ layout_qualifier_id:
 	
 	      if (got_one && state->AMD_conservative_depth_warn) {
 	         _mesa_glsl_warning(& @1, state,
-	                            "GL_AMD_conservative_depth "
+	                            "GL_ARB_conservative_depth "
 	                            "layout qualifier `%s' is used\n", $1);
 	      }
 	   }
diff --git a/mesalib/src/glsl/glsl_parser_extras.cpp b/mesalib/src/glsl/glsl_parser_extras.cpp
index cc781378d..8f740e6a8 100644
--- a/mesalib/src/glsl/glsl_parser_extras.cpp
+++ b/mesalib/src/glsl/glsl_parser_extras.cpp
@@ -253,6 +253,7 @@ struct _mesa_glsl_extension {
 static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    /*                                  target availability  API availability */
    /* name                             VS     GS     FS     GL     ES         supported flag */
+   EXT(ARB_conservative_depth,         true,  false, true,  true,  false,     AMD_conservative_depth),
    EXT(ARB_draw_buffers,               false, false, true,  true,  false,     dummy_true),
    EXT(ARB_draw_instanced,             true,  false, false, true,  false,     ARB_draw_instanced),
    EXT(ARB_explicit_attrib_location,   true,  false, true,  true,  false,     ARB_explicit_attrib_location),
diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h
index fc392da5b..dc6911d1c 100644
--- a/mesalib/src/glsl/glsl_parser_extras.h
+++ b/mesalib/src/glsl/glsl_parser_extras.h
@@ -180,6 +180,8 @@ struct _mesa_glsl_parse_state {
    bool ARB_shader_stencil_export_warn;
    bool AMD_conservative_depth_enable;
    bool AMD_conservative_depth_warn;
+   bool ARB_conservative_depth_enable;
+   bool ARB_conservative_depth_warn;
    bool AMD_shader_stencil_export_enable;
    bool AMD_shader_stencil_export_warn;
    bool OES_texture_3D_enable;
diff --git a/mesalib/src/glsl/ir.cpp b/mesalib/src/glsl/ir.cpp
index 827fe8e17..41ed4f114 100644
--- a/mesalib/src/glsl/ir.cpp
+++ b/mesalib/src/glsl/ir.cpp
@@ -1096,7 +1096,7 @@ ir_dereference_record::ir_dereference_record(ir_variable *var,
 }
 
 bool
-ir_dereference::is_lvalue()
+ir_dereference::is_lvalue() const
 {
    ir_variable *var = this->variable_referenced();
 
@@ -1121,7 +1121,7 @@ ir_dereference::is_lvalue()
 }
 
 
-const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf" };
+const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf", "txs" };
 
 const char *ir_texture::opcode_string()
 {
@@ -1150,11 +1150,15 @@ ir_texture::set_sampler(ir_dereference *sampler, const glsl_type *type)
    this->sampler = sampler;
    this->type = type;
 
-   assert(sampler->type->sampler_type == (int) type->base_type);
-   if (sampler->type->sampler_shadow)
-      assert(type->vector_elements == 4 || type->vector_elements == 1);
-   else
-      assert(type->vector_elements == 4);
+   if (this->op == ir_txs) {
+      assert(type->base_type == GLSL_TYPE_INT);
+   } else {
+      assert(sampler->type->sampler_type == (int) type->base_type);
+      if (sampler->type->sampler_shadow)
+	 assert(type->vector_elements == 4 || type->vector_elements == 1);
+      else
+	 assert(type->vector_elements == 4);
+   }
 }
 
 
@@ -1310,7 +1314,7 @@ ir_swizzle::create(ir_rvalue *val, const char *str, unsigned vector_length)
 #undef I
 
 ir_variable *
-ir_swizzle::variable_referenced()
+ir_swizzle::variable_referenced() const
 {
    return this->val->variable_referenced();
 }
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h
index 50a9d6e19..2e899f3ed 100644
--- a/mesalib/src/glsl/ir.h
+++ b/mesalib/src/glsl/ir.h
@@ -144,7 +144,7 @@ public:
 
    ir_rvalue *as_rvalue_to_saturate();
 
-   virtual bool is_lvalue()
+   virtual bool is_lvalue() const
    {
       return false;
    }
@@ -152,7 +152,7 @@ public:
    /**
     * Get the variable that is ultimately referenced by an r-value
     */
-   virtual ir_variable *variable_referenced()
+   virtual ir_variable *variable_referenced() const
    {
       return NULL;
    }
@@ -236,7 +236,7 @@ enum ir_variable_interpolation {
 /**
  * \brief Layout qualifiers for gl_FragDepth.
  *
- * The AMD_conservative_depth extension allows gl_FragDepth to be redeclared
+ * The AMD/ARB_conservative_depth extensions allow gl_FragDepth to be redeclared
  * with a layout qualifier.
  */
 enum ir_depth_layout {
@@ -1212,7 +1212,8 @@ enum ir_texture_opcode {
    ir_txb,		/**< Texture look-up with LOD bias */
    ir_txl,		/**< Texture look-up with explicit LOD */
    ir_txd,		/**< Texture look-up with partial derivatvies */
-   ir_txf		/**< Texel fetch with explicit LOD */
+   ir_txf,		/**< Texel fetch with explicit LOD */
+   ir_txs		/**< Texture size */
 };
 
 
@@ -1233,6 +1234,7 @@ enum ir_texture_opcode {
  * (txl <type> <sampler> <coordinate> 0 1 ( ) <lod>)
  * (txd <type> <sampler> <coordinate> 0 1 ( ) (dPdx dPdy))
  * (txf <type> <sampler> <coordinate> 0       <lod>)
+ * (txs <type> <sampler> <lod>)
  */
 class ir_texture : public ir_rvalue {
 public:
@@ -1355,7 +1357,7 @@ public:
 
    virtual ir_visitor_status accept(ir_hierarchical_visitor *);
 
-   bool is_lvalue()
+   bool is_lvalue() const
    {
       return val->is_lvalue() && !mask.has_duplicates;
    }
@@ -1363,7 +1365,7 @@ public:
    /**
     * Get the variable that is ultimately referenced by an r-value
     */
-   virtual ir_variable *variable_referenced();
+   virtual ir_variable *variable_referenced() const;
 
    ir_rvalue *val;
    ir_swizzle_mask mask;
@@ -1387,12 +1389,12 @@ public:
       return this;
    }
 
-   bool is_lvalue();
+   bool is_lvalue() const;
 
    /**
     * Get the variable that is ultimately referenced by an r-value
     */
-   virtual ir_variable *variable_referenced() = 0;
+   virtual ir_variable *variable_referenced() const = 0;
 };
 
 
@@ -1413,7 +1415,7 @@ public:
    /**
     * Get the variable that is ultimately referenced by an r-value
     */
-   virtual ir_variable *variable_referenced()
+   virtual ir_variable *variable_referenced() const
    {
       return this->var;
    }
@@ -1462,7 +1464,7 @@ public:
    /**
     * Get the variable that is ultimately referenced by an r-value
     */
-   virtual ir_variable *variable_referenced()
+   virtual ir_variable *variable_referenced() const
    {
       return this->array->variable_referenced();
    }
@@ -1496,7 +1498,7 @@ public:
    /**
     * Get the variable that is ultimately referenced by an r-value
     */
-   virtual ir_variable *variable_referenced()
+   virtual ir_variable *variable_referenced() const
    {
       return this->record->variable_referenced();
    }
diff --git a/mesalib/src/glsl/ir_clone.cpp b/mesalib/src/glsl/ir_clone.cpp
index 069bb85e8..f0757365d 100644
--- a/mesalib/src/glsl/ir_clone.cpp
+++ b/mesalib/src/glsl/ir_clone.cpp
@@ -222,7 +222,8 @@ ir_texture::clone(void *mem_ctx, struct hash_table *ht) const
    new_tex->type = this->type;
 
    new_tex->sampler = this->sampler->clone(mem_ctx, ht);
-   new_tex->coordinate = this->coordinate->clone(mem_ctx, ht);
+   if (this->coordinate)
+      new_tex->coordinate = this->coordinate->clone(mem_ctx, ht);
    if (this->projector)
       new_tex->projector = this->projector->clone(mem_ctx, ht);
    if (this->shadow_comparitor) {
@@ -240,6 +241,7 @@ ir_texture::clone(void *mem_ctx, struct hash_table *ht) const
       break;
    case ir_txl:
    case ir_txf:
+   case ir_txs:
       new_tex->lod_info.lod = this->lod_info.lod->clone(mem_ctx, ht);
       break;
    case ir_txd:
diff --git a/mesalib/src/glsl/ir_hv_accept.cpp b/mesalib/src/glsl/ir_hv_accept.cpp
index 4a607dc87..d33fc85bf 100644
--- a/mesalib/src/glsl/ir_hv_accept.cpp
+++ b/mesalib/src/glsl/ir_hv_accept.cpp
@@ -171,9 +171,11 @@ ir_texture::accept(ir_hierarchical_visitor *v)
    if (s != visit_continue)
       return (s == visit_continue_with_parent) ? visit_continue : s;
 
-   s = this->coordinate->accept(v);
-   if (s != visit_continue)
-      return (s == visit_continue_with_parent) ? visit_continue : s;
+   if (this->coordinate) {
+      s = this->coordinate->accept(v);
+      if (s != visit_continue)
+	 return (s == visit_continue_with_parent) ? visit_continue : s;
+   }
 
    if (this->projector) {
       s = this->projector->accept(v);
@@ -203,6 +205,7 @@ ir_texture::accept(ir_hierarchical_visitor *v)
       break;
    case ir_txl:
    case ir_txf:
+   case ir_txs:
       s = this->lod_info.lod->accept(v);
       if (s != visit_continue)
 	 return (s == visit_continue_with_parent) ? visit_continue : s;
diff --git a/mesalib/src/glsl/ir_print_visitor.cpp b/mesalib/src/glsl/ir_print_visitor.cpp
index 518910bd1..ea7858224 100644
--- a/mesalib/src/glsl/ir_print_visitor.cpp
+++ b/mesalib/src/glsl/ir_print_visitor.cpp
@@ -244,19 +244,21 @@ void ir_print_visitor::visit(ir_texture *ir)
    ir->sampler->accept(this);
    printf(" ");
 
-   ir->coordinate->accept(this);
+   if (ir->op != ir_txs) {
+      ir->coordinate->accept(this);
 
-   printf(" ");
+      printf(" ");
 
-   if (ir->offset != NULL) {
-      ir->offset->accept(this);
-   } else {
-      printf("0");
-   }
+      if (ir->offset != NULL) {
+	 ir->offset->accept(this);
+      } else {
+	 printf("0");
+      }
 
-   printf(" ");
+      printf(" ");
+   }
 
-   if (ir->op != ir_txf) {
+   if (ir->op != ir_txf && ir->op != ir_txs) {
       if (ir->projector)
 	 ir->projector->accept(this);
       else
@@ -280,6 +282,7 @@ void ir_print_visitor::visit(ir_texture *ir)
       break;
    case ir_txl:
    case ir_txf:
+   case ir_txs:
       ir->lod_info.lod->accept(this);
       break;
    case ir_txd:
diff --git a/mesalib/src/glsl/ir_reader.cpp b/mesalib/src/glsl/ir_reader.cpp
index f3a621734..22009eebc 100644
--- a/mesalib/src/glsl/ir_reader.cpp
+++ b/mesalib/src/glsl/ir_reader.cpp
@@ -885,6 +885,8 @@ ir_reader::read_texture(s_expression *expr)
       { "tex", s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow };
    s_pattern txf_pattern[] =
       { "txf", s_type, s_sampler, s_coord, s_offset, s_lod };
+   s_pattern txs_pattern[] =
+      { "txs", s_type, s_sampler, s_lod };
    s_pattern other_pattern[] =
       { tag, s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod };
 
@@ -892,6 +894,8 @@ ir_reader::read_texture(s_expression *expr)
       op = ir_tex;
    } else if (MATCH(expr, txf_pattern)) {
       op = ir_txf;
+   } else if (MATCH(expr, txs_pattern)) {
+      op = ir_txs;
    } else if (MATCH(expr, other_pattern)) {
       op = ir_texture::get_opcode(tag->value());
       if (op == -1)
@@ -920,25 +924,27 @@ ir_reader::read_texture(s_expression *expr)
    }
    tex->set_sampler(sampler, type);
 
-   // Read coordinate (any rvalue)
-   tex->coordinate = read_rvalue(s_coord);
-   if (tex->coordinate == NULL) {
-      ir_read_error(NULL, "when reading coordinate in (%s ...)",
-		    tex->opcode_string());
-      return NULL;
-   }
-
-   // Read texel offset - either 0 or an rvalue.
-   s_int *si_offset = SX_AS_INT(s_offset);
-   if (si_offset == NULL || si_offset->value() != 0) {
-      tex->offset = read_rvalue(s_offset);
-      if (tex->offset == NULL) {
-	 ir_read_error(s_offset, "expected 0 or an expression");
+   if (op != ir_txs) {
+      // Read coordinate (any rvalue)
+      tex->coordinate = read_rvalue(s_coord);
+      if (tex->coordinate == NULL) {
+	 ir_read_error(NULL, "when reading coordinate in (%s ...)",
+		       tex->opcode_string());
 	 return NULL;
       }
+
+      // Read texel offset - either 0 or an rvalue.
+      s_int *si_offset = SX_AS_INT(s_offset);
+      if (si_offset == NULL || si_offset->value() != 0) {
+	 tex->offset = read_rvalue(s_offset);
+	 if (tex->offset == NULL) {
+	    ir_read_error(s_offset, "expected 0 or an expression");
+	    return NULL;
+	 }
+      }
    }
 
-   if (op != ir_txf) {
+   if (op != ir_txf && op != ir_txs) {
       s_int *proj_as_int = SX_AS_INT(s_proj);
       if (proj_as_int && proj_as_int->value() == 1) {
 	 tex->projector = NULL;
@@ -973,6 +979,7 @@ ir_reader::read_texture(s_expression *expr)
       break;
    case ir_txl:
    case ir_txf:
+   case ir_txs:
       tex->lod_info.lod = read_rvalue(s_lod);
       if (tex->lod_info.lod == NULL) {
 	 ir_read_error(NULL, "when reading LOD in (%s ...)",
diff --git a/mesalib/src/glsl/ir_rvalue_visitor.cpp b/mesalib/src/glsl/ir_rvalue_visitor.cpp
index ed6c7cb6a..193bcd2d7 100644
--- a/mesalib/src/glsl/ir_rvalue_visitor.cpp
+++ b/mesalib/src/glsl/ir_rvalue_visitor.cpp
@@ -63,6 +63,7 @@ ir_rvalue_visitor::visit_leave(ir_texture *ir)
       break;
    case ir_txf:
    case ir_txl:
+   case ir_txs:
       handle_rvalue(&ir->lod_info.lod);
       break;
    case ir_txd:
diff --git a/mesalib/src/glsl/ir_validate.cpp b/mesalib/src/glsl/ir_validate.cpp
index f3fceb2a5..2d1c6097c 100644
--- a/mesalib/src/glsl/ir_validate.cpp
+++ b/mesalib/src/glsl/ir_validate.cpp
@@ -59,7 +59,8 @@ public:
 
    virtual ir_visitor_status visit(ir_variable *v);
    virtual ir_visitor_status visit(ir_dereference_variable *ir);
-   virtual ir_visitor_status visit(ir_if *ir);
+
+   virtual ir_visitor_status visit_enter(ir_if *ir);
 
    virtual ir_visitor_status visit_leave(ir_loop *ir);
    virtual ir_visitor_status visit_enter(ir_function *ir);
@@ -102,7 +103,7 @@ ir_validate::visit(ir_dereference_variable *ir)
 }
 
 ir_visitor_status
-ir_validate::visit(ir_if *ir)
+ir_validate::visit_enter(ir_if *ir)
 {
    if (ir->condition->type != glsl_type::bool_type) {
       printf("ir_if condition %s type instead of bool.\n",
@@ -541,7 +542,43 @@ ir_validate::visit_enter(ir_call *ir)
       abort();
    }
 
+   const exec_node *formal_param_node = callee->parameters.head;
+   const exec_node *actual_param_node = ir->actual_parameters.head;
+   while (true) {
+      if (formal_param_node->is_tail_sentinel()
+          != actual_param_node->is_tail_sentinel()) {
+         printf("ir_call has the wrong number of parameters:\n");
+         goto dump_ir;
+      }
+      if (formal_param_node->is_tail_sentinel()) {
+         break;
+      }
+      const ir_variable *formal_param
+         = (const ir_variable *) formal_param_node;
+      const ir_rvalue *actual_param
+         = (const ir_rvalue *) actual_param_node;
+      if (formal_param->type != actual_param->type) {
+         printf("ir_call parameter type mismatch:\n");
+         goto dump_ir;
+      }
+      if (formal_param->mode == ir_var_out
+          || formal_param->mode == ir_var_inout) {
+         if (!actual_param->is_lvalue()) {
+            printf("ir_call out/inout parameters must be lvalues:\n");
+            goto dump_ir;
+         }
+      }
+      formal_param_node = formal_param_node->next;
+      actual_param_node = actual_param_node->next;
+   }
+
    return visit_continue;
+
+dump_ir:
+   ir->print();
+   printf("callee:\n");
+   callee->print();
+   abort();
 }
 
 void
diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp
index b54ef4108..ba81c59ff 100644
--- a/mesalib/src/glsl/linker.cpp
+++ b/mesalib/src/glsl/linker.cpp
@@ -395,7 +395,7 @@ cross_validate_globals(struct gl_shader_program *prog,
 
         /* Validate layout qualifiers for gl_FragDepth.
          *
-         * From the AMD_conservative_depth spec:
+         * From the AMD/ARB_conservative_depth specs:
          *    "If gl_FragDepth is redeclared in any fragment shader in
          *    a program, it must be redeclared in all fragment shaders in that
          *    program that have static assignments to gl_FragDepth. All
diff --git a/mesalib/src/glsl/lower_if_to_cond_assign.cpp b/mesalib/src/glsl/lower_if_to_cond_assign.cpp
index b637eb4fe..7b89a1539 100644
--- a/mesalib/src/glsl/lower_if_to_cond_assign.cpp
+++ b/mesalib/src/glsl/lower_if_to_cond_assign.cpp
@@ -47,6 +47,7 @@
 
 #include "glsl_types.h"
 #include "ir.h"
+#include "program/hash_table.h"
 
 class ir_if_to_cond_assign_visitor : public ir_hierarchical_visitor {
 public:
@@ -55,6 +56,14 @@ public:
       this->progress = false;
       this->max_depth = max_depth;
       this->depth = 0;
+
+      this->condition_variables = hash_table_ctor(0, hash_table_pointer_hash,
+						  hash_table_pointer_compare);
+   }
+
+   ~ir_if_to_cond_assign_visitor()
+   {
+      hash_table_dtor(this->condition_variables);
    }
 
    ir_visitor_status visit_enter(ir_if *);
@@ -63,6 +72,8 @@ public:
    bool progress;
    unsigned max_depth;
    unsigned depth;
+
+   struct hash_table *condition_variables;
 };
 
 bool
@@ -94,40 +105,43 @@ check_control_flow(ir_instruction *ir, void *data)
 
 void
 move_block_to_cond_assign(void *mem_ctx,
-			  ir_if *if_ir, ir_variable *cond_var, bool then)
+			  ir_if *if_ir, ir_rvalue *cond_expr,
+			  exec_list *instructions,
+			  struct hash_table *ht)
 {
-   exec_list *instructions;
-
-   if (then) {
-      instructions = &if_ir->then_instructions;
-   } else {
-      instructions = &if_ir->else_instructions;
-   }
-
-   foreach_iter(exec_list_iterator, iter, *instructions) {
-      ir_instruction *ir = (ir_instruction *)iter.get();
+   foreach_list_safe(node, instructions) {
+      ir_instruction *ir = (ir_instruction *) node;
 
       if (ir->ir_type == ir_type_assignment) {
 	 ir_assignment *assign = (ir_assignment *)ir;
-	 ir_rvalue *cond_expr;
-	 ir_dereference *deref = new(mem_ctx) ir_dereference_variable(cond_var);
-
-	 if (then) {
-	    cond_expr = deref;
-	 } else {
-	    cond_expr = new(mem_ctx) ir_expression(ir_unop_logic_not,
-						   glsl_type::bool_type,
-						   deref,
-						   NULL);
-	 }
 
-	 if (!assign->condition) {
-	    assign->condition = cond_expr;
-	 } else {
-	    assign->condition = new(mem_ctx) ir_expression(ir_binop_logic_and,
-							   glsl_type::bool_type,
-							   cond_expr,
-							   assign->condition);
+	 if (hash_table_find(ht, assign) == NULL) {
+	    hash_table_insert(ht, assign, assign);
+
+	    /* If the LHS of the assignment is a condition variable that was
+	     * previously added, insert an additional assignment of false to
+	     * the variable.
+	     */
+	    const bool assign_to_cv =
+	       hash_table_find(ht, assign->lhs->variable_referenced()) != NULL;
+
+	    if (!assign->condition) {
+	       if (assign_to_cv) {
+		  assign->rhs =
+		     new(mem_ctx) ir_expression(ir_binop_logic_and,
+						glsl_type::bool_type,
+						cond_expr->clone(mem_ctx, NULL),
+						assign->rhs);
+	       } else {
+		  assign->condition = cond_expr->clone(mem_ctx, NULL);
+	       }
+	    } else {
+	       assign->condition =
+		  new(mem_ctx) ir_expression(ir_binop_logic_and,
+					     glsl_type::bool_type,
+					     cond_expr->clone(mem_ctx, NULL),
+					     assign->condition);
+	    }
 	 }
       }
 
@@ -142,6 +156,7 @@ ir_if_to_cond_assign_visitor::visit_enter(ir_if *ir)
 {
    (void) ir;
    this->depth++;
+
    return visit_continue;
 }
 
@@ -153,9 +168,7 @@ ir_if_to_cond_assign_visitor::visit_leave(ir_if *ir)
       return visit_continue;
 
    bool found_control_flow = false;
-   ir_variable *cond_var;
    ir_assignment *assign;
-   ir_dereference_variable *deref;
 
    /* Check that both blocks don't contain anything we can't support. */
    foreach_iter(exec_list_iterator, then_iter, ir->then_instructions) {
@@ -171,24 +184,62 @@ ir_if_to_cond_assign_visitor::visit_leave(ir_if *ir)
 
    void *mem_ctx = ralloc_parent(ir);
 
-   /* Store the condition to a variable so the assignment conditions are
-    * simpler.
+   /* Store the condition to a variable.  Move all of the instructions from
+    * the then-clause of the if-statement.  Use the condition variable as a
+    * condition for all assignments.
     */
-   cond_var = new(mem_ctx) ir_variable(glsl_type::bool_type,
-				       "if_to_cond_assign_condition",
-				       ir_var_temporary);
-   ir->insert_before(cond_var);
-
-   deref = new(mem_ctx) ir_dereference_variable(cond_var);
-   assign = new(mem_ctx) ir_assignment(deref,
-				       ir->condition, NULL);
+   ir_variable *const then_var =
+      new(mem_ctx) ir_variable(glsl_type::bool_type,
+			       "if_to_cond_assign_then",
+			       ir_var_temporary);
+   ir->insert_before(then_var);
+
+   ir_dereference_variable *then_cond =
+      new(mem_ctx) ir_dereference_variable(then_var);
+
+   assign = new(mem_ctx) ir_assignment(then_cond, ir->condition);
    ir->insert_before(assign);
 
-   /* Now, move all of the instructions out of the if blocks, putting
-    * conditions on assignments.
+   move_block_to_cond_assign(mem_ctx, ir, then_cond,
+			     &ir->then_instructions,
+			     this->condition_variables);
+
+   /* Add the new condition variable to the hash table.  This allows us to
+    * find this variable when lowering other (enclosing) if-statements.
+    */
+   hash_table_insert(this->condition_variables, then_var, then_var);
+
+   /* If there are instructions in the else-clause, store the inverse of the
+    * condition to a variable.  Move all of the instructions from the
+    * else-clause if the if-statement.  Use the (inverse) condition variable
+    * as a condition for all assignments.
     */
-   move_block_to_cond_assign(mem_ctx, ir, cond_var, true);
-   move_block_to_cond_assign(mem_ctx, ir, cond_var, false);
+   if (!ir->else_instructions.is_empty()) {
+      ir_variable *const else_var =
+	 new(mem_ctx) ir_variable(glsl_type::bool_type,
+				  "if_to_cond_assign_else",
+				  ir_var_temporary);
+      ir->insert_before(else_var);
+
+      ir_dereference_variable *else_cond =
+	 new(mem_ctx) ir_dereference_variable(else_var);
+
+      ir_rvalue *inverse =
+	 new(mem_ctx) ir_expression(ir_unop_logic_not,
+				    then_cond->clone(mem_ctx, NULL));
+
+      assign = new(mem_ctx) ir_assignment(else_cond, inverse);
+      ir->insert_before(assign);
+
+      move_block_to_cond_assign(mem_ctx, ir, else_cond,
+				&ir->else_instructions,
+				this->condition_variables);
+
+      /* Add the new condition variable to the hash table.  This allows us to
+       * find this variable when lowering other (enclosing) if-statements.
+       */
+      hash_table_insert(this->condition_variables, else_var, else_var);
+   }
 
    ir->remove();
 
diff --git a/mesalib/src/glsl/lower_instructions.cpp b/mesalib/src/glsl/lower_instructions.cpp
index 806f86399..23aa19bde 100644
--- a/mesalib/src/glsl/lower_instructions.cpp
+++ b/mesalib/src/glsl/lower_instructions.cpp
@@ -166,6 +166,10 @@ lower_instructions_visitor::div_to_mul_rcp(ir_expression *ir)
       else
 	 op0 = new(ir) ir_expression(ir_unop_u2f, vec_type, ir->operands[0], NULL);
 
+      vec_type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
+					 ir->type->vector_elements,
+					 ir->type->matrix_columns);
+
       op0 = new(ir) ir_expression(ir_binop_mul, vec_type, op0, op1);
 
       if (ir->operands[1]->type->base_type == GLSL_TYPE_INT) {
diff --git a/mesalib/src/glsl/main.cpp b/mesalib/src/glsl/main.cpp
index 9b8a50738..019213750 100644
--- a/mesalib/src/glsl/main.cpp
+++ b/mesalib/src/glsl/main.cpp
@@ -24,7 +24,6 @@
 
 #include "ast.h"
 #include "glsl_parser_extras.h"
-#include "glsl_parser.h"
 #include "ir_optimization.h"
 #include "ir_print_visitor.h"
 #include "program.h"
diff --git a/mesalib/src/glsl/opt_tree_grafting.cpp b/mesalib/src/glsl/opt_tree_grafting.cpp
index 1ef940f9c..22a1749b9 100644
--- a/mesalib/src/glsl/opt_tree_grafting.cpp
+++ b/mesalib/src/glsl/opt_tree_grafting.cpp
@@ -258,6 +258,7 @@ ir_tree_grafting_visitor::visit_enter(ir_texture *ir)
       break;
    case ir_txf:
    case ir_txl:
+   case ir_txs:
       if (do_graft(&ir->lod_info.lod))
 	 return visit_stop;
       break;
diff --git a/mesalib/src/glsl/ralloc.c b/mesalib/src/glsl/ralloc.c
index 6a5eac6b9..fb48a91c5 100644
--- a/mesalib/src/glsl/ralloc.c
+++ b/mesalib/src/glsl/ralloc.c
@@ -28,6 +28,11 @@
 #include <string.h>
 #include <stdint.h>
 
+/* Android defines SIZE_MAX in limits.h, instead of the standard stdint.h */
+#ifdef ANDROID
+#include <limits.h>
+#endif
+
 #include "ralloc.h"
 
 #ifdef __GNUC__
diff --git a/mesalib/src/glsl/standalone_scaffolding.cpp b/mesalib/src/glsl/standalone_scaffolding.cpp
index 696ea757e..bbd7bb913 100644
--- a/mesalib/src/glsl/standalone_scaffolding.cpp
+++ b/mesalib/src/glsl/standalone_scaffolding.cpp
@@ -63,6 +63,8 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
 
    ctx->API = api;
 
+   ctx->Extensions.dummy_false = false;
+   ctx->Extensions.dummy_true = true;
    ctx->Extensions.ARB_ES2_compatibility = true;
    ctx->Extensions.ARB_draw_buffers = true;
    ctx->Extensions.ARB_draw_instanced = true;