1 files changed, 16 insertions, 0 deletions
diff --git a/intern/cycles/render/shader.cpp b/intern/cycles/render/shader.cpp
index 8f2030c6fe9..332599be708 100644
--- a/intern/cycles/render/shader.cpp
+++ b/intern/cycles/render/shader.cpp
@@ -16,6 +16,7 @@
 
 #include "device/device.h"
 
+#include "render/alembic.h"
 #include "render/background.h"
 #include "render/camera.h"
 #include "render/colorspace.h"
@@ -513,6 +514,21 @@ void ShaderManager::update_shaders_used(Scene *scene)
   if (scene->background->get_shader())
     scene->background->get_shader()->used = true;
 
+#ifdef WITH_ALEMBIC
+  foreach (Procedural *procedural, scene->procedurals) {
+    AlembicProcedural *abc_proc = static_cast<AlembicProcedural *>(procedural);
+
+    foreach (Node *abc_node, abc_proc->get_objects()) {
+      AlembicObject *abc_object = static_cast<AlembicObject *>(abc_node);
+
+      foreach (Node *node, abc_object->get_used_shaders()) {
+        Shader *shader = static_cast<Shader *>(node);
+        shader->used = true;
+      }
+    }
+  }
+#endif
+
   foreach (Geometry *geom, scene->geometry)
     foreach (Node *node, geom->get_used_shaders()) {
       Shader *shader = static_cast<Shader *>(node);