Merge remote-tracking branch 'origin/released'

* origin/released:
  xserver fontconfig libX11 libXext libxcb mesa git update 21 Mar 2014

Conflicts:
	libxcb/src/xcb_auth.c
	libxcb/src/xcb_conn.c
	libxcb/src/xcb_util.c
	libxcb/src/xcb_windefs.h
	mesalib/src/mapi/glapi/glapi.h

7 files changed, 53 insertions, 50 deletions

diff --git a/mesalib/src/glsl/builtin_functions.cpp b/mesalib/src/glsl/builtin_functions.cpp
index c4f39abb7..43746f055 100755
--- a/mesalib/src/glsl/builtin_functions.cpp
+++ b/mesalib/src/glsl/builtin_functions.cpp
@@ -194,16 +194,17 @@ shader_integer_mix(const _mesa_glsl_parse_state *state)
 }
 
 static bool
-shader_packing(const _mesa_glsl_parse_state *state)
+shader_packing_or_es3(const _mesa_glsl_parse_state *state)
 {
    return state->ARB_shading_language_packing_enable ||
-          state->is_version(400, 0);
+          state->is_version(400, 300);
 }
 
 static bool
-shader_packing_or_es3(const _mesa_glsl_parse_state *state)
+shader_packing_or_es3_or_gpu_shader5(const _mesa_glsl_parse_state *state)
 {
    return state->ARB_shading_language_packing_enable ||
+          state->ARB_gpu_shader5_enable ||
           state->is_version(400, 300);
 }
 
@@ -214,6 +215,13 @@ gpu_shader5(const _mesa_glsl_parse_state *state)
 }
 
 static bool
+shader_packing_or_gpu_shader5(const _mesa_glsl_parse_state *state)
+{
+   return state->ARB_shading_language_packing_enable ||
+          gpu_shader5(state);
+}
+
+static bool
 texture_array_lod(const _mesa_glsl_parse_state *state)
 {
    return lod_exists_in_stage(state) &&
@@ -991,16 +999,16 @@ builtin_builder::create_builtins()
                 _uintBitsToFloat(glsl_type::uvec4_type),
                 NULL);
 
-   add_function("packUnorm2x16",   _packUnorm2x16(shader_packing_or_es3),   NULL);
-   add_function("packSnorm2x16",   _packSnorm2x16(shader_packing_or_es3),   NULL);
-   add_function("packUnorm4x8",    _packUnorm4x8(shader_packing),           NULL);
-   add_function("packSnorm4x8",    _packSnorm4x8(shader_packing),           NULL);
-   add_function("unpackUnorm2x16", _unpackUnorm2x16(shader_packing_or_es3), NULL);
-   add_function("unpackSnorm2x16", _unpackSnorm2x16(shader_packing_or_es3), NULL);
-   add_function("unpackUnorm4x8",  _unpackUnorm4x8(shader_packing),         NULL);
-   add_function("unpackSnorm4x8",  _unpackSnorm4x8(shader_packing),         NULL);
-   add_function("packHalf2x16",    _packHalf2x16(shader_packing_or_es3),    NULL);
-   add_function("unpackHalf2x16",  _unpackHalf2x16(shader_packing_or_es3),  NULL);
+   add_function("packUnorm2x16",   _packUnorm2x16(shader_packing_or_es3_or_gpu_shader5),   NULL);
+   add_function("packSnorm2x16",   _packSnorm2x16(shader_packing_or_es3),                  NULL);
+   add_function("packUnorm4x8",    _packUnorm4x8(shader_packing_or_gpu_shader5),           NULL);
+   add_function("packSnorm4x8",    _packSnorm4x8(shader_packing_or_gpu_shader5),           NULL);
+   add_function("unpackUnorm2x16", _unpackUnorm2x16(shader_packing_or_es3_or_gpu_shader5), NULL);
+   add_function("unpackSnorm2x16", _unpackSnorm2x16(shader_packing_or_es3),                NULL);
+   add_function("unpackUnorm4x8",  _unpackUnorm4x8(shader_packing_or_gpu_shader5),         NULL);
+   add_function("unpackSnorm4x8",  _unpackSnorm4x8(shader_packing_or_gpu_shader5),         NULL);
+   add_function("packHalf2x16",    _packHalf2x16(shader_packing_or_es3),                   NULL);
+   add_function("unpackHalf2x16",  _unpackHalf2x16(shader_packing_or_es3),                 NULL);
 
    F(length)
    F(distance)
@@ -3041,7 +3049,7 @@ builtin_builder::_length(const glsl_type *type)
    ir_variable *x = in_var(type, "x");
    MAKE_SIG(glsl_type::float_type, always_available, 1, x);
 
-   body.emit(ret(sqrt(dotlike(x, x))));
+   body.emit(ret(sqrt(dot(x, x))));
 
    return sig;
 }
@@ -3131,7 +3139,7 @@ builtin_builder::_faceforward(const glsl_type *type)
    ir_variable *Nref = in_var(type, "Nref");
    MAKE_SIG(type, always_available, 3, N, I, Nref);
 
-   body.emit(if_tree(less(dotlike(Nref, I), imm(0.0f)),
+   body.emit(if_tree(less(dot(Nref, I), imm(0.0f)),
                      ret(N), ret(neg(N))));
 
    return sig;
@@ -3145,7 +3153,7 @@ builtin_builder::_reflect(const glsl_type *type)
    MAKE_SIG(type, always_available, 2, I, N);
 
    /* I - 2 * dot(N, I) * N */
-   body.emit(ret(sub(I, mul(imm(2.0f), mul(dotlike(N, I), N)))));
+   body.emit(ret(sub(I, mul(imm(2.0f), mul(dot(N, I), N)))));
 
    return sig;
 }
@@ -3159,7 +3167,7 @@ builtin_builder::_refract(const glsl_type *type)
    MAKE_SIG(type, always_available, 3, I, N, eta);
 
    ir_variable *n_dot_i = body.make_temp(glsl_type::float_type, "n_dot_i");
-   body.emit(assign(n_dot_i, dotlike(N, I)));
+   body.emit(assign(n_dot_i, dot(N, I)));
 
    /* From the GLSL 1.10 specification:
     * k = 1.0 - eta * eta * (1.0 - dot(N, I) * dot(N, I))
diff --git a/mesalib/src/glsl/ir_builder.cpp b/mesalib/src/glsl/ir_builder.cpp
index 7f41ed69e..f4a1c6efa 100644
--- a/mesalib/src/glsl/ir_builder.cpp
+++ b/mesalib/src/glsl/ir_builder.cpp
@@ -251,13 +251,8 @@ ir_expression *round_even(operand a)
    return expr(ir_unop_round_even, a);
 }
 
-ir_expression *dot(operand a, operand b)
-{
-   return expr(ir_binop_dot, a, b);
-}
-
 /* dot for vectors, mul for scalars */
-ir_expression *dotlike(operand a, operand b)
+ir_expression *dot(operand a, operand b)
 {
    assert(a.val->type == b.val->type);
 
diff --git a/mesalib/src/glsl/ir_builder.h b/mesalib/src/glsl/ir_builder.h
index f00e6f3b3..108b53a5e 100644
--- a/mesalib/src/glsl/ir_builder.h
+++ b/mesalib/src/glsl/ir_builder.h
@@ -139,7 +139,6 @@ ir_expression *carry(operand a, operand b);
 ir_expression *borrow(operand a, operand b);
 ir_expression *round_even(operand a);
 ir_expression *dot(operand a, operand b);
-ir_expression *dotlike(operand a, operand b);
 ir_expression *clamp(operand a, operand b, operand c);
 ir_expression *saturate(operand a);
 ir_expression *abs(operand a);
diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp
index f6b266185..3bf278965 100644
--- a/mesalib/src/glsl/linker.cpp
+++ b/mesalib/src/glsl/linker.cpp
@@ -2303,17 +2303,10 @@ 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]->ir);
-   }
-   if (prog->_LinkedShaders[MESA_SHADER_GEOMETRY] != NULL) {
-      link_invalidate_variable_locations(
-            prog->_LinkedShaders[MESA_SHADER_GEOMETRY]->ir);
-   }
-   if (prog->_LinkedShaders[MESA_SHADER_FRAGMENT] != NULL) {
-      link_invalidate_variable_locations(
-            prog->_LinkedShaders[MESA_SHADER_FRAGMENT]->ir);
+   for (unsigned i = MESA_SHADER_VERTEX; i <= MESA_SHADER_FRAGMENT; i++) {
+      if (prog->_LinkedShaders[i] != NULL) {
+         link_invalidate_variable_locations(prog->_LinkedShaders[i]->ir);
+      }
    }
 
    /* FINISHME: The value of the max_attribute_index parameter is
diff --git a/mesalib/src/glsl/lower_packed_varyings.cpp b/mesalib/src/glsl/lower_packed_varyings.cpp
index c23d1801b..8c1b8850b 100644
--- a/mesalib/src/glsl/lower_packed_varyings.cpp
+++ b/mesalib/src/glsl/lower_packed_varyings.cpp
@@ -199,8 +199,8 @@ private:
 
    /**
     * Number of generic varying slots which are used by this shader.  This is
-    * used to allocate temporary intermediate data structures.  If any any
-    * varying used by this shader has a location greater than or equal to
+    * used to allocate temporary intermediate data structures.  If any varying
+    * used by this shader has a location greater than or equal to
     * location_base + locations_used, an assertion will fire.
     */
    const unsigned locations_used;
diff --git a/mesalib/src/glsl/opt_algebraic.cpp b/mesalib/src/glsl/opt_algebraic.cpp
index 5c49a785c..8494bd9ec 100644
--- a/mesalib/src/glsl/opt_algebraic.cpp
+++ b/mesalib/src/glsl/opt_algebraic.cpp
@@ -528,6 +528,14 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
       if (is_vec_two(op_const[0]))
          return expr(ir_unop_exp2, ir->operands[1]);
 
+      if (is_vec_two(op_const[1])) {
+         ir_variable *x = new(ir) ir_variable(ir->operands[1]->type, "x",
+                                              ir_var_temporary);
+         base_ir->insert_before(x);
+         base_ir->insert_before(assign(x, ir->operands[0]));
+         return mul(x, x);
+      }
+
       break;
 
    case ir_unop_rcp:
diff --git a/mesalib/src/glsl/opt_dead_code_local.cpp b/mesalib/src/glsl/opt_dead_code_local.cpp
index e7d46edbe..0c5c684a4 100644
--- a/mesalib/src/glsl/opt_dead_code_local.cpp
+++ b/mesalib/src/glsl/opt_dead_code_local.cpp
@@ -51,14 +51,14 @@ public:
       assert(ir);
       this->lhs = lhs;
       this->ir = ir;
-      this->available = ir->write_mask;
+      this->unused = ir->write_mask;
    }
 
    ir_variable *lhs;
    ir_assignment *ir;
 
    /* bitmask of xyzw channels written that haven't been used so far. */
-   int available;
+   int unused;
 };
 
 class kill_for_derefs_visitor : public ir_hierarchical_visitor {
@@ -68,7 +68,7 @@ public:
       this->assignments = assignments;
    }
 
-   void kill_channels(ir_variable *const var, int used)
+   void use_channels(ir_variable *const var, int used)
    {
       foreach_list_safe(n, this->assignments) {
 	 assignment_entry *entry = (assignment_entry *) n;
@@ -76,14 +76,14 @@ public:
 	 if (entry->lhs == var) {
 	    if (var->type->is_scalar() || var->type->is_vector()) {
 	       if (debug)
-		  printf("kill %s (0x%01x - 0x%01x)\n", entry->lhs->name,
-			 entry->available, used);
-	       entry->available &= ~used;
-	       if (!entry->available)
+		  printf("used %s (0x%01x - 0x%01x)\n", entry->lhs->name,
+			 entry->unused, used & 0xf);
+	       entry->unused &= ~used;
+	       if (!entry->unused)
 		  entry->remove();
 	    } else {
 	       if (debug)
-		  printf("kill %s\n", entry->lhs->name);
+		  printf("used %s\n", entry->lhs->name);
 	       entry->remove();
 	    }
 	 }
@@ -92,7 +92,7 @@ public:
 
    virtual ir_visitor_status visit(ir_dereference_variable *ir)
    {
-      kill_channels(ir->var, ~0);
+      use_channels(ir->var, ~0);
 
       return visit_continue;
    }
@@ -109,7 +109,7 @@ public:
       used |= 1 << ir->mask.z;
       used |= 1 << ir->mask.w;
 
-      kill_channels(deref->var, used);
+      use_channels(deref->var, used);
 
       return visit_continue_with_parent;
    }
@@ -202,7 +202,7 @@ process_assignment(void *ctx, ir_assignment *ir, exec_list *assignments)
 	    if (entry->lhs != var)
 	       continue;
 
-	    int remove = entry->available & ir->write_mask;
+	    int remove = entry->unused & ir->write_mask;
 	    if (debug) {
 	       printf("%s 0x%01x - 0x%01x = 0x%01x\n",
 		      var->name,
@@ -219,7 +219,7 @@ process_assignment(void *ctx, ir_assignment *ir, exec_list *assignments)
 	       }
 
 	       entry->ir->write_mask &= ~remove;
-	       entry->available &= ~remove;
+	       entry->unused &= ~remove;
 	       if (entry->ir->write_mask == 0) {
 		  /* Delete the dead assignment. */
 		  entry->ir->remove();
@@ -283,7 +283,7 @@ process_assignment(void *ctx, ir_assignment *ir, exec_list *assignments)
       foreach_list(n, assignments) {
 	 assignment_entry *entry = (assignment_entry *) n;
 
-	 printf("    %s (0x%01x)\n", entry->lhs->name, entry->available);
+	 printf("    %s (0x%01x)\n", entry->lhs->name, entry->unused);
       }
    }