1 files changed, 4 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_particle.h b/source/blender/blenkernel/BKE_particle.h
index e9b4c2b5a66..857ed607dd8 100644
--- a/source/blender/blenkernel/BKE_particle.h
+++ b/source/blender/blenkernel/BKE_particle.h
@@ -28,6 +28,7 @@
  */
 
 #include "BLI_utildefines.h"
+#include "BLI_buffer.h"
 
 #include "DNA_particle_types.h"
 #include "DNA_object_types.h"
@@ -108,6 +109,9 @@ typedef struct SPHData {
   float element_size;
   float flow[3];
 
+  /* Temporary thread-local buffer for springs created during this step. */
+  BLI_Buffer new_springs;
+
   /* Integrator callbacks. This allows different SPH implementations. */
   void (*force_cb)(void *sphdata_v, ParticleKey *state, float *force, float *impulse);
   void (*density_cb)(void *rangedata_v, int index, const float co[3], float squared_dist);