1 files changed, 3 insertions, 1 deletions
diff --git a/source/blender/blenlib/BLI_task.h b/source/blender/blenlib/BLI_task.h
index 81c277cd956..45a6e0b02c1 100644
--- a/source/blender/blenlib/BLI_task.h
+++ b/source/blender/blenlib/BLI_task.h
@@ -112,10 +112,12 @@ ThreadMutex *BLI_task_pool_user_mutex(TaskPool *pool);
 size_t BLI_task_pool_tasks_done(TaskPool *pool);
 
 /* Parallel for routines */
-typedef void (*TaskParallelRangeFunc)(void *userdata, int iter);
+typedef void (*TaskParallelRangeFunc)(void *userdata, void *userdata_chunk, int iter);
 void BLI_task_parallel_range_ex(
         int start, int stop,
         void *userdata,
+        void *userdata_chunk,
+        const size_t userdata_chunk_size,
         TaskParallelRangeFunc func,
         const int range_threshold,
         const bool use_dynamic_scheduling);