From 39d6dd3537ce436806dbb5e7f6fa7c5477babb8e Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Fri, 11 Jun 2010 13:46:30 -0700
Subject: [PATCH] ir_constant_visitor: Handle bool-to-int and int-to-bool

---
 ir_constant_expression.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/ir_constant_expression.cpp b/ir_constant_expression.cpp
index 781166a8a26..a3ce6e7e591 100644
--- a/ir_constant_expression.cpp
+++ b/ir_constant_expression.cpp
@@ -183,6 +183,21 @@ ir_constant_visitor::visit(ir_expression *ir)
 	 b[c] = bool(op[0]->value.f[c]);
       }
       break;
+   case ir_unop_b2i:
+      assert(op[0]->type->base_type == GLSL_TYPE_BOOL);
+      type = ir->type;
+      for (c = 0; c < ir->operands[0]->type->components(); c++) {
+	 u[c] = op[0]->value.b[c] ? 1 : 0;
+	 i[c] = u[c];
+      }
+      break;
+   case ir_unop_i2b:
+      assert(op[0]->type->is_integer());
+      type = ir->type;
+      for (c = 0; c < ir->operands[0]->type->components(); c++) {
+	 b[c] = bool(op[0]->value.u[c]);
+      }
+      break;
 
    case ir_unop_neg:
       type = ir->type;
-- 
2.30.2