1 files changed, 11 insertions, 0 deletions
diff --git a/src/glsl/ir_builder.cpp b/src/glsl/ir_builder.cpp
index b549ff4f72b..e12ae3cf53f 100644
--- a/src/glsl/ir_builder.cpp
+++ b/src/glsl/ir_builder.cpp
@@ -231,6 +231,17 @@ ir_expression *dot(operand a, operand b)
    return expr(ir_binop_dot, a, b);
 }
 
+/* dot for vectors, mul for scalars */
+ir_expression *dotlike(operand a, operand b)
+{
+   assert(a.val->type == b.val->type);
+
+   if (a.val->type->vector_elements == 1)
+      return expr(ir_binop_mul, a, b);
+
+   return expr(ir_binop_dot, a, b);
+}
+
 ir_expression*
 clamp(operand a, operand b, operand c)
 {