[Mesa-stable] [PATCH 1/2] glsl: Add is_horizontal() method to ir_expression.

[Matt Turner]

Cc: "10.1" <mesa-stable at lists.freedesktop.org>
---
 src/glsl/ir.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index e27e30a..55ec5ff 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -1458,6 +1458,16 @@ public:
    }
 
    /**
+    * 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_binop_dot;
+   }
+
+   /**
     * Return a string representing this expression's operator.
     */
    const char *operator_string();
-- 
1.8.3.2