1 files changed, 10 insertions, 0 deletions
diff --git a/glsl_types.h b/glsl_types.h
index 7c48e792eb..97d8390e60 100644
--- a/glsl_types.h
+++ b/glsl_types.h
@@ -138,6 +138,16 @@ struct glsl_type {
    }
 
    /**
+    * For numeric and boolean derrived types returns the basic scalar type
+    *
+    * If the type is a numeric or boolean scalar, vector, or matrix type,
+    * this function gets the scalar type of the individual components.  For
+    * all other types, including arrays of numeric or boolean types, the
+    * error type is returned.
+    */
+   const glsl_type *get_base_type() const;
+
+   /**
     * Query whether or not a type is a scalar (non-vector and non-matrix).
     */
    bool is_scalar() const