1 files changed, 14 insertions, 0 deletions
diff --git a/intern/opensubdiv/opensubdiv_evaluator_capi.h b/intern/opensubdiv/opensubdiv_evaluator_capi.h
index ceb0c58feba..1572d01b851 100644
--- a/intern/opensubdiv/opensubdiv_evaluator_capi.h
+++ b/intern/opensubdiv/opensubdiv_evaluator_capi.h
@@ -24,6 +24,7 @@ extern "C" {
 #endif
 
 struct OpenSubdiv_EvaluatorInternal;
+struct OpenSubdiv_PatchCoord;
 struct OpenSubdiv_TopologyRefiner;
 
 typedef struct OpenSubdiv_Evaluator {
@@ -108,6 +109,19 @@ typedef struct OpenSubdiv_Evaluator {
                               float face_v,
                               float face_varying[2]);
 
+  // Batched evaluation of multiple input coordinates.
+
+  // Evaluate limit surface.
+  // If derivatives are NULL, they will not be evaluated.
+  //
+  // NOTE: Output arrays must point to a memory of size float[3]*num_patch_coords.
+  void (*evaluatePatchesLimit)(struct OpenSubdiv_Evaluator *evaluator,
+                               const struct OpenSubdiv_PatchCoord *patch_coords,
+                               const int num_patch_coords,
+                               float *P,
+                               float *dPdu,
+                               float *dPdv);
+
   // Internal storage for the use in this module only.
   //
   // This is where actual OpenSubdiv's evaluator is living.