libX11 mesa pixman xserver git update 18 Sep 2013

xserver          commit 8010d3a48bd0b224dcb0883e39c2351ad364d846
libX11           commit 5dcb40f28d59587597d2ff6e6ac64c71cfe6ff7b
pixman           commit 58a79dfe6d1fd62c2b66c69fdb64f6b8ecf61da5
mesa             commit a3b51a22f71819236baa6bbda9d0d050914b149d

1 files changed, 10 insertions, 0 deletions

diff --git a/mesalib/src/glsl/ir_constant_expression.cpp b/mesalib/src/glsl/ir_constant_expression.cpp
index a67470bf3..4579ef209 100644
--- a/mesalib/src/glsl/ir_constant_expression.cpp
+++ b/mesalib/src/glsl/ir_constant_expression.cpp
@@ -394,6 +394,7 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
       switch (this->operation) {
       case ir_binop_lshift:
       case ir_binop_rshift:
+      case ir_binop_ldexp:
       case ir_binop_vector_extract:
       case ir_triop_csel:
       case ir_triop_bitfield_extract:
@@ -1376,6 +1377,15 @@ ir_expression::constant_expression_value(struct hash_table *variable_context)
       break;
    }
 
+   case ir_binop_ldexp:
+      for (unsigned c = 0; c < components; c++) {
+         data.f[c] = ldexp(op[0]->value.f[c], op[1]->value.i[c]);
+         /* Flush subnormal values to zero. */
+         if (!isnormal(data.f[c]))
+            data.f[c] = copysign(0.0, op[0]->value.f[c]);
+      }
+      break;
+
    case ir_triop_fma:
       assert(op[0]->type->base_type == GLSL_TYPE_FLOAT);
       assert(op[1]->type->base_type == GLSL_TYPE_FLOAT);