Mesa (glsl2): ir_to_mesa: Add support for ir_unop_abs.

[Eric Anholt]

Module: Mesa
Branch: glsl2
Commit: 524745bc55dd23c612aebdb545125727bfb16e4d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=524745bc55dd23c612aebdb545125727bfb16e4d

Author: Eric Anholt <eric at anholt.net>
Date:   Tue Jun 29 16:39:38 2010 -0700

ir_to_mesa: Add support for ir_unop_abs.

---

 src/mesa/shader/ir_to_mesa.cpp |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp
index 152cb1d..85ede3e 100644
--- a/src/mesa/shader/ir_to_mesa.cpp
+++ b/src/mesa/shader/ir_to_mesa.cpp
@@ -610,6 +610,10 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
       op[0].negate = ~op[0].negate;
       result_src = op[0];
       break;
+   case ir_unop_abs:
+      ir_to_mesa_emit_op1(ir, OPCODE_ABS, result_dst, op[0]);
+      break;
+
    case ir_unop_exp:
       ir_to_mesa_emit_scalar_op1(ir, OPCODE_EXP, result_dst, op[0]);
       break;