Mesa (master): glsl: Add a new ir_unop_round_even opcode for GLSL 1.30' s roundEven.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: d85d25dd1f4fd281bd210ba6ba5135ba1e3b535f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d85d25dd1f4fd281bd210ba6ba5135ba1e3b535f

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Oct 14 13:37:03 2010 -0700

glsl: Add a new ir_unop_round_even opcode for GLSL 1.30's roundEven.

Also, update ir_to_mesa's "1.30 is unsupported" case to "handle" it.

---

 src/glsl/ir.cpp                 |    2 ++
 src/glsl/ir.h                   |    1 +
 src/mesa/program/ir_to_mesa.cpp |    1 +
 3 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
index fd1c5d9..87e78ee 100644
--- a/src/glsl/ir.cpp
+++ b/src/glsl/ir.cpp
@@ -216,6 +216,7 @@ ir_expression::get_num_operands(ir_expression_operation op)
       1, /* ir_unop_ceil */
       1, /* ir_unop_floor */
       1, /* ir_unop_fract */
+      1, /* ir_unop_round_even */
 
       1, /* ir_unop_sin */
       1, /* ir_unop_cos */
@@ -288,6 +289,7 @@ static const char *const operator_strs[] = {
    "ceil",
    "floor",
    "fract",
+   "round_even",
    "sin",
    "cos",
    "dFdx",
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 3503bc9..06198e4 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -700,6 +700,7 @@ enum ir_expression_operation {
    ir_unop_ceil,
    ir_unop_floor,
    ir_unop_fract,
+   ir_unop_round_even,
    /*@}*/
 
    /**
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index cd60965..524130c 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1130,6 +1130,7 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
    case ir_binop_bit_and:
    case ir_binop_bit_xor:
    case ir_binop_bit_or:
+   case ir_unop_round_even:
       assert(!"GLSL 1.30 features unsupported");
       break;
    }