From: Matt Turner <mattst88@gmail.com>
Date: Sun, 23 Feb 2014 00:35:14 +0000 (-0800)
Subject: glsl: Add is_horizontal() method to ir_expression.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5eff8576ba274858a0b242ead97b8b5fc2b4f8ff;p=mesa.git

glsl: Add is_horizontal() method to ir_expression.

Cc: "10.1" <mesa-stable@lists.freedesktop.org>
---

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 5da61d5cfe5..ed3f086ce7a 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -1458,6 +1458,18 @@ public:
 	 ? this->type->vector_elements : get_num_operands(operation);
    }
 
+   /**
+    * Return whether the expression operates on vectors horizontally.
+    */
+   bool is_horizontal() const
+   {
+      return operation == ir_binop_all_equal ||
+             operation == ir_binop_any_nequal ||
+             operation == ir_unop_any ||
+             operation == ir_binop_dot ||
+             operation == ir_quadop_vector;
+   }
+
    /**
     * Return a string representing this expression's operator.
     */