1 files changed, 13 insertions, 0 deletions
diff --git a/intern/opensubdiv/internal/opensubdiv_evaluator_internal.h b/intern/opensubdiv/internal/opensubdiv_evaluator_internal.h
index 7c963227d17..392633944c6 100644
--- a/intern/opensubdiv/internal/opensubdiv_evaluator_internal.h
+++ b/intern/opensubdiv/internal/opensubdiv_evaluator_internal.h
@@ -26,6 +26,7 @@
 #include <opensubdiv/far/patchMap.h>
 #include <opensubdiv/far/patchTable.h>
 
+struct OpenSubdiv_PatchCoord;
 struct OpenSubdiv_TopologyRefiner;
 
 namespace opensubdiv_capi {
@@ -114,6 +115,18 @@ class CpuEvalOutputAPI {
                            float face_v,
                            float face_varying[2]);
 
+  // Batched evaluation of multiple input coordinates.
+
+  // Evaluate given ptex face at given bilinear coordinate.
+  // 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(const OpenSubdiv_PatchCoord *patch_coords,
+                            const int num_patch_coords,
+                            float *P,
+                            float *dPdu,
+                            float *dPdv);
+
  protected:
   CpuEvalOutput *implementation_;
   OpenSubdiv::Far::PatchMap *patch_map_;