Mesa (glsl2): ir_to_mesa: Add missing no-op type conversions.

[Eric Anholt]

Module: Mesa
Branch: glsl2
Commit: d6ebe9b16b25f25ba763baf3738addc50676d5d0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d6ebe9b16b25f25ba763baf3738addc50676d5d0

Author: Eric Anholt <eric at anholt.net>
Date:   Wed Jun 30 16:23:32 2010 -0700

ir_to_mesa: Add missing no-op type conversions.

Fixes glsl-fs-step.

---

 src/mesa/shader/ir_to_mesa.cpp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/mesa/shader/ir_to_mesa.cpp b/src/mesa/shader/ir_to_mesa.cpp
index 6542441..af9bdb5 100644
--- a/src/mesa/shader/ir_to_mesa.cpp
+++ b/src/mesa/shader/ir_to_mesa.cpp
@@ -756,6 +756,8 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
       ir_to_mesa_emit_scalar_op1(ir, OPCODE_RSQ, result_dst, op[0]);
       break;
    case ir_unop_i2f:
+   case ir_unop_b2f:
+   case ir_unop_b2i:
       /* Mesa IR lacks types, ints are stored as truncated floats. */
       result_src = op[0];
       break;