Implement shape_plan caching

Should give us some performance boost.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/hb-shape-plan.h b/src/hb-shape-plan.h
index a4786a82..fbce5ddf 100644
--- a/src/hb-shape-plan.h
+++ b/src/hb-shape-plan.h
@@ -47,6 +47,13 @@ hb_shape_plan_create (hb_face_t                     *face,
 		      unsigned int                   num_user_features,
 		      const char * const            *shaper_list);
 
+hb_shape_plan_t *
+hb_shape_plan_create_cached (hb_face_t                     *face,
+			     const hb_segment_properties_t *props,
+			     const hb_feature_t            *user_features,
+			     unsigned int                   num_user_features,
+			     const char * const            *shaper_list);
+
 HB_INTERNAL hb_shape_plan_t *
 hb_shape_plan_get_empty (void);