Used synchronise script to update files

15 files changed, 401 insertions, 285 deletions

diff --git a/mesalib/src/glsl/.gitignore b/mesalib/src/glsl/.gitignore
new file mode 100644
index 000000000..d26839a3e
--- /dev/null
+++ b/mesalib/src/glsl/.gitignore
@@ -0,0 +1,8 @@
+glsl_compiler
+glsl_lexer.cpp
+glsl_parser.cpp
+glsl_parser.h
+glsl_parser.output
+builtin_function.cpp
+builtin_compiler
+glsl_test
diff --git a/mesalib/src/glsl/glcpp/.gitignore b/mesalib/src/glsl/glcpp/.gitignore
new file mode 100644
index 000000000..41b34bb30
--- /dev/null
+++ b/mesalib/src/glsl/glcpp/.gitignore
@@ -0,0 +1,9 @@
+glcpp
+glcpp-lex.c
+glcpp-parse.output
+glcpp-parse.c
+glcpp-parse.h
+*.o
+*.lo
+*~
+tests/*.out
diff --git a/mesalib/src/glsl/glcpp/README b/mesalib/src/glsl/glcpp/README
index 735b27d44..0b5ef508c 100644
--- a/mesalib/src/glsl/glcpp/README
+++ b/mesalib/src/glsl/glcpp/README
@@ -1,32 +1,32 @@
-glcpp -- GLSL "C" preprocessor

-

-This is a simple preprocessor designed to provide the preprocessing

-needs of the GLSL language. The requirements for this preprocessor are

-specified in the GLSL 1.30 specification availble from:

-

-http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.30.10.pdf

-

-This specification is not precise on some semantics, (for example,

-#define and #if), defining these merely "as is standard for C++

-preprocessors". To fill in these details, I've been using a draft of

-the C99 standard as available from:

-

-http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf

-

-Any downstream compiler accepting output from glcpp should be prepared

-to encounter and deal with the following preprocessor macros:

-

-	#line

-	#pragma

-	#extension

-

-All other macros will be handles according to the GLSL specification

-and will not appear in the output.

-

-Known limitations

------------------

-The __LINE__ and __FILE__ macros are not yet supported.

-

-A file that ends with a function-like macro name as the last

-non-whitespace token will result in a parse error, (where it should be

+glcpp -- GLSL "C" preprocessor
+
+This is a simple preprocessor designed to provide the preprocessing
+needs of the GLSL language. The requirements for this preprocessor are
+specified in the GLSL 1.30 specification availble from:
+
+http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.30.10.pdf
+
+This specification is not precise on some semantics, (for example,
+#define and #if), defining these merely "as is standard for C++
+preprocessors". To fill in these details, I've been using a draft of
+the C99 standard as available from:
+
+http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
+
+Any downstream compiler accepting output from glcpp should be prepared
+to encounter and deal with the following preprocessor macros:
+
+	#line
+	#pragma
+	#extension
+
+All other macros will be handles according to the GLSL specification
+and will not appear in the output.
+
+Known limitations
+-----------------
+The __LINE__ and __FILE__ macros are not yet supported.
+
+A file that ends with a function-like macro name as the last
+non-whitespace token will result in a parse error, (where it should be
 passed through as is).
\ No newline at end of file
diff --git a/mesalib/src/glsl/glcpp/glcpp-parse.y b/mesalib/src/glsl/glcpp/glcpp-parse.y
index 47ba54ddf..9e8f9b2d6 100644
--- a/mesalib/src/glsl/glcpp/glcpp-parse.y
+++ b/mesalib/src/glsl/glcpp/glcpp-parse.y
@@ -1141,6 +1141,9 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api)
 
 	   if (extensions->OES_EGL_image_external)
 	      add_builtin_define(parser, "GL_OES_EGL_image_external", 1);
+
+	   if (extensions->ARB_shader_bit_encoding)
+	      add_builtin_define(parser, "GL_ARB_shader_bit_encoding", 1);
 	}
 
 	language_version = 110;
diff --git a/mesalib/src/glsl/glsl_parser_extras.cpp b/mesalib/src/glsl/glsl_parser_extras.cpp
index 46f21dd07..02c398616 100644
--- a/mesalib/src/glsl/glsl_parser_extras.cpp
+++ b/mesalib/src/glsl/glsl_parser_extras.cpp
@@ -295,6 +295,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
    EXT(AMD_shader_stencil_export,      false, false, true,  true,  false,     ARB_shader_stencil_export),
    EXT(OES_texture_3D,                 true,  false, true,  false, true,      EXT_texture3D),
    EXT(OES_EGL_image_external,         true,  false, true,  false, true,      OES_EGL_image_external),
+   EXT(ARB_shader_bit_encoding,        true,  true,  true,  true,  false,     ARB_shader_bit_encoding),
 };
 
 #undef EXT
diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h
index 1a909c68b..246fc8141 100644
--- a/mesalib/src/glsl/glsl_parser_extras.h
+++ b/mesalib/src/glsl/glsl_parser_extras.h
@@ -205,6 +205,8 @@ struct _mesa_glsl_parse_state {
    bool OES_texture_3D_warn;
    bool OES_EGL_image_external_enable;
    bool OES_EGL_image_external_warn;
+   bool ARB_shader_bit_encoding_enable;
+   bool ARB_shader_bit_encoding_warn;
    /*@}*/
 
    /** Extensions supported by the OpenGL implementation. */
diff --git a/mesalib/src/glsl/ir.cpp b/mesalib/src/glsl/ir.cpp
index 970d8f3ba..69954998b 100644
--- a/mesalib/src/glsl/ir.cpp
+++ b/mesalib/src/glsl/ir.cpp
@@ -273,6 +273,7 @@ ir_expression::ir_expression(int op, ir_rvalue *op0)
    case ir_unop_f2i:
    case ir_unop_b2i:
    case ir_unop_u2i:
+   case ir_unop_bitcast_f2i:
       this->type = glsl_type::get_instance(GLSL_TYPE_INT,
 					   op0->type->vector_elements, 1);
       break;
@@ -280,6 +281,8 @@ ir_expression::ir_expression(int op, ir_rvalue *op0)
    case ir_unop_b2f:
    case ir_unop_i2f:
    case ir_unop_u2f:
+   case ir_unop_bitcast_i2f:
+   case ir_unop_bitcast_u2f:
       this->type = glsl_type::get_instance(GLSL_TYPE_FLOAT,
 					   op0->type->vector_elements, 1);
       break;
@@ -291,6 +294,7 @@ ir_expression::ir_expression(int op, ir_rvalue *op0)
       break;
 
    case ir_unop_i2u:
+   case ir_unop_bitcast_f2u:
       this->type = glsl_type::get_instance(GLSL_TYPE_UINT,
 					   op0->type->vector_elements, 1);
       break;
@@ -427,6 +431,10 @@ static const char *const operator_strs[] = {
    "u2f",
    "i2u",
    "u2i",
+   "bitcast_i2f",
+   "bitcast_f2i",
+   "bitcast_u2f",
+   "bitcast_f2u",
    "any",
    "trunc",
    "ceil",
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h
index 9c7961ab9..2c4723627 100644
--- a/mesalib/src/glsl/ir.h
+++ b/mesalib/src/glsl/ir.h
@@ -864,19 +864,23 @@ enum ir_expression_operation {
    ir_unop_rcp,
    ir_unop_rsq,
    ir_unop_sqrt,
-   ir_unop_exp,      /**< Log base e on gentype */
-   ir_unop_log,	     /**< Natural log on gentype */
+   ir_unop_exp,         /**< Log base e on gentype */
+   ir_unop_log,	        /**< Natural log on gentype */
    ir_unop_exp2,
    ir_unop_log2,
-   ir_unop_f2i,      /**< Float-to-integer conversion. */
-   ir_unop_i2f,      /**< Integer-to-float conversion. */
-   ir_unop_f2b,      /**< Float-to-boolean conversion */
-   ir_unop_b2f,      /**< Boolean-to-float conversion */
-   ir_unop_i2b,      /**< int-to-boolean conversion */
-   ir_unop_b2i,      /**< Boolean-to-int conversion */
-   ir_unop_u2f,      /**< Unsigned-to-float conversion. */
-   ir_unop_i2u,      /**< Integer-to-unsigned conversion. */
-   ir_unop_u2i,      /**< Unsigned-to-integer conversion. */
+   ir_unop_f2i,         /**< Float-to-integer conversion. */
+   ir_unop_i2f,         /**< Integer-to-float conversion. */
+   ir_unop_f2b,         /**< Float-to-boolean conversion */
+   ir_unop_b2f,         /**< Boolean-to-float conversion */
+   ir_unop_i2b,         /**< int-to-boolean conversion */
+   ir_unop_b2i,         /**< Boolean-to-int conversion */
+   ir_unop_u2f,         /**< Unsigned-to-float conversion. */
+   ir_unop_i2u,         /**< Integer-to-unsigned conversion. */
+   ir_unop_u2i,         /**< Unsigned-to-integer conversion. */
+   ir_unop_bitcast_i2f, /**< Bit-identical int-to-float "conversion" */
+   ir_unop_bitcast_f2i, /**< Bit-identical float-to-int "conversion" */
+   ir_unop_bitcast_u2f, /**< Bit-identical uint-to-float "conversion" */
+   ir_unop_bitcast_f2u, /**< Bit-identical float-to-uint "conversion" */
    ir_unop_any,
 
    /**
diff --git a/mesalib/src/glsl/ir_constant_expression.cpp b/mesalib/src/glsl/ir_constant_expression.cpp
index 08a33285b..7a4d15f43 100644
--- a/mesalib/src/glsl/ir_constant_expression.cpp
+++ b/mesalib/src/glsl/ir_constant_expression.cpp
@@ -71,6 +71,29 @@ dot(ir_constant *op0, ir_constant *op1)
    return result;
 }
 
+/* This method is the only one supported by gcc.  Unions in particular
+ * are iffy, and read-through-converted-pointer is killed by strict
+ * aliasing.  OTOH, the compiler sees through the memcpy, so the
+ * resulting asm is reasonable.
+ */
+static float
+bitcast_u2f(unsigned int u)
+{
+   assert(sizeof(float) == sizeof(unsigned int));
+   float f;
+   memcpy(&f, &u, sizeof(f));
+   return f;
+}
+
+static unsigned int
+bitcast_f2u(float f)
+{
+   assert(sizeof(float) == sizeof(unsigned int));
+   unsigned int u;
+   memcpy(&u, &f, sizeof(f));
+   return u;
+}
+
 ir_constant *
 ir_rvalue::constant_expression_value(struct hash_table *variable_context)
 {
@@ -207,6 +230,30 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
 	 data.u[c] = op[0]->value.i[c];
       }
       break;
+   case ir_unop_bitcast_i2f:
+      assert(op[0]->type->base_type == GLSL_TYPE_INT);
+      for (unsigned c = 0; c < op[0]->type->components(); c++) {
+	 data.f[c] = bitcast_u2f(op[0]->value.i[c]);
+      }
+      break;
+   case ir_unop_bitcast_f2i:
+      assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
+      for (unsigned c = 0; c < op[0]->type->components(); c++) {
+	 data.i[c] = bitcast_f2u(op[0]->value.f[c]);
+      }
+      break;
+   case ir_unop_bitcast_u2f:
+      assert(op[0]->type->base_type == GLSL_TYPE_UINT);
+      for (unsigned c = 0; c < op[0]->type->components(); c++) {
+	 data.f[c] = bitcast_u2f(op[0]->value.u[c]);
+      }
+      break;
+   case ir_unop_bitcast_f2u:
+      assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
+      for (unsigned c = 0; c < op[0]->type->components(); c++) {
+	 data.u[c] = bitcast_f2u(op[0]->value.f[c]);
+      }
+      break;
    case ir_unop_any:
       assert(op[0]->type->is_boolean());
       data.b[0] = false;
diff --git a/mesalib/src/glsl/ir_validate.cpp b/mesalib/src/glsl/ir_validate.cpp
index 7efb43477..5721717a5 100644
--- a/mesalib/src/glsl/ir_validate.cpp
+++ b/mesalib/src/glsl/ir_validate.cpp
@@ -288,6 +288,22 @@ ir_validate::visit_leave(ir_expression *ir)
       assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
       assert(ir->type->base_type == GLSL_TYPE_INT);
       break;
+   case ir_unop_bitcast_i2f:
+      assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
+      assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+      break;
+   case ir_unop_bitcast_f2i:
+      assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+      assert(ir->type->base_type == GLSL_TYPE_INT);
+      break;
+   case ir_unop_bitcast_u2f:
+      assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
+      assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+      break;
+   case ir_unop_bitcast_f2u:
+      assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+      assert(ir->type->base_type == GLSL_TYPE_UINT);
+      break;
 
    case ir_unop_any:
       assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
diff --git a/mesalib/src/glsl/loop_analysis.h b/mesalib/src/glsl/loop_analysis.h
index 8bed1db02..05c982fc1 100644
--- a/mesalib/src/glsl/loop_analysis.h
+++ b/mesalib/src/glsl/loop_analysis.h
@@ -140,6 +140,23 @@ public:
    {
       hash_table_dtor(this->var_hash);
    }
+
+   static void* operator new(size_t size, void *ctx)
+   {
+      void *lvs = ralloc_size(ctx, size);
+      assert(lvs != NULL);
+
+      ralloc_set_destructor(lvs, (void (*)(void*)) destructor);
+
+      return lvs;
+   }
+
+private:
+   static void
+   destructor(loop_variable_state *lvs)
+   {
+      lvs->~loop_variable_state();
+   }
 };
 
 
diff --git a/mesalib/src/glsl/opt_noop_swizzle.cpp b/mesalib/src/glsl/opt_noop_swizzle.cpp
index c034d7339..0a906aaf1 100644
--- a/mesalib/src/glsl/opt_noop_swizzle.cpp
+++ b/mesalib/src/glsl/opt_noop_swizzle.cpp
@@ -1,80 +1,80 @@
-/*

- * Copyright © 2010 Intel Corporation

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice (including the next

- * paragraph) shall be included in all copies or substantial portions of the

- * Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

- * DEALINGS IN THE SOFTWARE.

- */

-

-/**

- * \file opt_noop_swizzle.cpp

- *

- * If a swizzle doesn't change the order or count of components, then

- * remove the swizzle so that other optimization passes see the value

- * behind it.

- */

-

-#include "ir.h"

-#include "ir_visitor.h"

-#include "ir_rvalue_visitor.h"

-#include "ir_print_visitor.h"

-#include "glsl_types.h"

-

-class ir_noop_swizzle_visitor : public ir_rvalue_visitor {

-public:

-   ir_noop_swizzle_visitor()

-   {

-      this->progress = false;

-   }

-

-   void handle_rvalue(ir_rvalue **rvalue);

-   bool progress;

-};

-

-void

-ir_noop_swizzle_visitor::handle_rvalue(ir_rvalue **rvalue)

-{

-   if (!*rvalue)

-      return;

-

-   ir_swizzle *swiz = (*rvalue)->as_swizzle();

-   if (!swiz || swiz->type != swiz->val->type)

-      return;

-

-   int elems = swiz->val->type->vector_elements;

-   if (swiz->mask.x != 0)

-      return;

-   if (elems >= 2 && swiz->mask.y != 1)

-      return;

-   if (elems >= 3 && swiz->mask.z != 2)

-      return;

-   if (elems >= 4 && swiz->mask.w != 3)

-      return;

-

-   this->progress = true;

-   *rvalue = swiz->val;

-}

-

-bool

-do_noop_swizzle(exec_list *instructions)

-{

-   ir_noop_swizzle_visitor v;

-   visit_list_elements(&v, instructions);

-

-   return v.progress;

-}

+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file opt_noop_swizzle.cpp
+ *
+ * If a swizzle doesn't change the order or count of components, then
+ * remove the swizzle so that other optimization passes see the value
+ * behind it.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_rvalue_visitor.h"
+#include "ir_print_visitor.h"
+#include "glsl_types.h"
+
+class ir_noop_swizzle_visitor : public ir_rvalue_visitor {
+public:
+   ir_noop_swizzle_visitor()
+   {
+      this->progress = false;
+   }
+
+   void handle_rvalue(ir_rvalue **rvalue);
+   bool progress;
+};
+
+void
+ir_noop_swizzle_visitor::handle_rvalue(ir_rvalue **rvalue)
+{
+   if (!*rvalue)
+      return;
+
+   ir_swizzle *swiz = (*rvalue)->as_swizzle();
+   if (!swiz || swiz->type != swiz->val->type)
+      return;
+
+   int elems = swiz->val->type->vector_elements;
+   if (swiz->mask.x != 0)
+      return;
+   if (elems >= 2 && swiz->mask.y != 1)
+      return;
+   if (elems >= 3 && swiz->mask.z != 2)
+      return;
+   if (elems >= 4 && swiz->mask.w != 3)
+      return;
+
+   this->progress = true;
+   *rvalue = swiz->val;
+}
+
+bool
+do_noop_swizzle(exec_list *instructions)
+{
+   ir_noop_swizzle_visitor v;
+   visit_list_elements(&v, instructions);
+
+   return v.progress;
+}
diff --git a/mesalib/src/glsl/opt_redundant_jumps.cpp b/mesalib/src/glsl/opt_redundant_jumps.cpp
index eb60519e2..f350fa947 100644
--- a/mesalib/src/glsl/opt_redundant_jumps.cpp
+++ b/mesalib/src/glsl/opt_redundant_jumps.cpp
@@ -1,120 +1,120 @@
-/*

- * Copyright © 2010 Intel Corporation

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the "Software"),

- * to deal in the Software without restriction, including without limitation

- * the rights to use, copy, modify, merge, publish, distribute, sublicense,

- * and/or sell copies of the Software, and to permit persons to whom the

- * Software is furnished to do so, subject to the following conditions:

- *

- * The above copyright notice and this permission notice (including the next

- * paragraph) shall be included in all copies or substantial portions of the

- * Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

- * DEALINGS IN THE SOFTWARE.

- */

-

-/**

- * \file opt_redundant_jumps.cpp

- * Remove certain types of redundant jumps

- */

-

-#include "ir.h"

-

-class redundant_jumps_visitor : public ir_hierarchical_visitor {

-public:

-   redundant_jumps_visitor()

-   {

-      this->progress = false;

-   }

-

-   virtual ir_visitor_status visit_leave(ir_if *);

-   virtual ir_visitor_status visit_leave(ir_loop *);

-   virtual ir_visitor_status visit_enter(ir_assignment *);

-

-   bool progress;

-};

-

-/* We only care about the top level instructions, so don't descend

- * into expressions.

- */

-ir_visitor_status

-redundant_jumps_visitor::visit_enter(ir_assignment *ir)

-{

-   return visit_continue_with_parent;

-}

-

-ir_visitor_status

-redundant_jumps_visitor::visit_leave(ir_if *ir)

-{

-   /* If the last instruction in both branches is a 'break' or a 'continue',

-    * pull it out of the branches and insert it after the if-statment.  Note

-    * that both must be the same type (either 'break' or 'continue').

-    */

-   ir_instruction *const last_then =

-      (ir_instruction *) ir->then_instructions.get_tail();

-   ir_instruction *const last_else =

-      (ir_instruction *) ir->else_instructions.get_tail();

-

-   if ((last_then == NULL) || (last_else == NULL))

-      return visit_continue;

-

-   if ((last_then->ir_type != ir_type_loop_jump)

-       || (last_else->ir_type != ir_type_loop_jump))

-      return visit_continue;

-

-   ir_loop_jump *const then_jump = (ir_loop_jump *) last_then;

-   ir_loop_jump *const else_jump = (ir_loop_jump *) last_else;

-

-   if (then_jump->mode != else_jump->mode)

-      return visit_continue;

-

-   then_jump->remove();

-   else_jump->remove();

-   this->progress = true;

-

-   ir->insert_after(then_jump);

-

-   /* If both branchs of the if-statement are now empty, remove the

-    * if-statement.

-    */

-   if (ir->then_instructions.is_empty() && ir->else_instructions.is_empty())

-      ir->remove();

-

-   return visit_continue;

-}

-

-

-ir_visitor_status

-redundant_jumps_visitor::visit_leave(ir_loop *ir)

-{

-   /* If the last instruction of a loop body is a 'continue', remove it.

-    */

-   ir_instruction *const last =

-      (ir_instruction *) ir->body_instructions.get_tail();

-

-   if (last && (last->ir_type == ir_type_loop_jump)

-       && (((ir_loop_jump *) last)->mode == ir_loop_jump::jump_continue)) {

-      last->remove();

-      this->progress = true;

-   }

-

-   return visit_continue;

-}

-

-

-bool

-optimize_redundant_jumps(exec_list *instructions)

-{

-   redundant_jumps_visitor v;

-

-   v.run(instructions);

-   return v.progress;

-}

+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file opt_redundant_jumps.cpp
+ * Remove certain types of redundant jumps
+ */
+
+#include "ir.h"
+
+class redundant_jumps_visitor : public ir_hierarchical_visitor {
+public:
+   redundant_jumps_visitor()
+   {
+      this->progress = false;
+   }
+
+   virtual ir_visitor_status visit_leave(ir_if *);
+   virtual ir_visitor_status visit_leave(ir_loop *);
+   virtual ir_visitor_status visit_enter(ir_assignment *);
+
+   bool progress;
+};
+
+/* We only care about the top level instructions, so don't descend
+ * into expressions.
+ */
+ir_visitor_status
+redundant_jumps_visitor::visit_enter(ir_assignment *ir)
+{
+   return visit_continue_with_parent;
+}
+
+ir_visitor_status
+redundant_jumps_visitor::visit_leave(ir_if *ir)
+{
+   /* If the last instruction in both branches is a 'break' or a 'continue',
+    * pull it out of the branches and insert it after the if-statment.  Note
+    * that both must be the same type (either 'break' or 'continue').
+    */
+   ir_instruction *const last_then =
+      (ir_instruction *) ir->then_instructions.get_tail();
+   ir_instruction *const last_else =
+      (ir_instruction *) ir->else_instructions.get_tail();
+
+   if ((last_then == NULL) || (last_else == NULL))
+      return visit_continue;
+
+   if ((last_then->ir_type != ir_type_loop_jump)
+       || (last_else->ir_type != ir_type_loop_jump))
+      return visit_continue;
+
+   ir_loop_jump *const then_jump = (ir_loop_jump *) last_then;
+   ir_loop_jump *const else_jump = (ir_loop_jump *) last_else;
+
+   if (then_jump->mode != else_jump->mode)
+      return visit_continue;
+
+   then_jump->remove();
+   else_jump->remove();
+   this->progress = true;
+
+   ir->insert_after(then_jump);
+
+   /* If both branchs of the if-statement are now empty, remove the
+    * if-statement.
+    */
+   if (ir->then_instructions.is_empty() && ir->else_instructions.is_empty())
+      ir->remove();
+
+   return visit_continue;
+}
+
+
+ir_visitor_status
+redundant_jumps_visitor::visit_leave(ir_loop *ir)
+{
+   /* If the last instruction of a loop body is a 'continue', remove it.
+    */
+   ir_instruction *const last =
+      (ir_instruction *) ir->body_instructions.get_tail();
+
+   if (last && (last->ir_type == ir_type_loop_jump)
+       && (((ir_loop_jump *) last)->mode == ir_loop_jump::jump_continue)) {
+      last->remove();
+      this->progress = true;
+   }
+
+   return visit_continue;
+}
+
+
+bool
+optimize_redundant_jumps(exec_list *instructions)
+{
+   redundant_jumps_visitor v;
+
+   v.run(instructions);
+   return v.progress;
+}
diff --git a/mesalib/src/glsl/standalone_scaffolding.cpp b/mesalib/src/glsl/standalone_scaffolding.cpp
index f15f2d882..679714e38 100644
--- a/mesalib/src/glsl/standalone_scaffolding.cpp
+++ b/mesalib/src/glsl/standalone_scaffolding.cpp
@@ -79,6 +79,7 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
    ctx->Extensions.NV_texture_rectangle = true;
    ctx->Extensions.EXT_texture3D = true;
    ctx->Extensions.OES_EGL_image_external = true;
+   ctx->Extensions.ARB_shader_bit_encoding = true;
 
    ctx->Const.GLSLVersion = 120;
 
diff --git a/mesalib/src/glsl/strtod.h b/mesalib/src/glsl/strtod.h
index c9ff0a87f..0cf6409d4 100644
--- a/mesalib/src/glsl/strtod.h
+++ b/mesalib/src/glsl/strtod.h
@@ -1,43 +1,43 @@
-/*

- * Copyright 2010 VMware, Inc.

- * All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining a

- * copy of this software and associated documentation files (the

- * "Software"), to deal in the Software without restriction, including

- * without limitation the rights to use, copy, modify, merge, publish,

- * distribute, sub license, and/or sell copies of the Software, and to

- * permit persons to whom the Software is furnished to do so, subject to

- * the following conditions:

- *

- * The above copyright notice and this permission notice (including the

- * next paragraph) shall be included in all copies or substantial portions

- * of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

- * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR

- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

- */

-

-

-#ifndef STRTOD_H

-#define STRTOD_H

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-extern double

-glsl_strtod(const char *s, char **end);

-

-

-#ifdef __cplusplus

-}

-#endif

-

-

-#endif

+/*
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef STRTOD_H
+#define STRTOD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern double
+glsl_strtod(const char *s, char **end);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif