glsl: add glsl_type::is_atomic_uint() helper

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>

src/compiler/glsl_types.h

@@ -668,6 +668,14 @@ struct glsl_type {
       return size;
    }
 
+   /**
+    * Query whether or not a type is an atomic_uint.
+    */
+   bool is_atomic_uint() const
+   {
+      return base_type == GLSL_TYPE_ATOMIC_UINT;
+   }
+
    /**
     * Return the amount of atomic counter storage required for a type.
     */