From e7721f5ec8b859d14c982a8a34bc269ab7eed82b Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Mon, 25 Jul 2016 13:53:30 +0200
Subject: [PATCH] Cycles: Fix SSS with spatial splits and motion blur

---
 intern/cycles/kernel/geom/geom_motion_triangle.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/intern/cycles/kernel/geom/geom_motion_triangle.h b/intern/cycles/kernel/geom/geom_motion_triangle.h
index 2fb8e219884..dabba3fb1f0 100644
--- a/intern/cycles/kernel/geom/geom_motion_triangle.h
+++ b/intern/cycles/kernel/geom/geom_motion_triangle.h
@@ -387,6 +387,12 @@ ccl_device_inline void motion_triangle_intersect_subsurface(
 	float t, u, v;
 
 	if(ray_triangle_intersect_uv(P, dir, tmax, verts[2], verts[0], verts[1], &u, &v, &t)) {
+		for(int i = min(max_hits, ss_isect->num_hits) - 1; i >= 0; --i) {
+			if(ss_isect->hits[i].t == t) {
+				return;
+			}
+		}
+
 		ss_isect->num_hits++;
 
 		int hit;