1 files changed, 16 insertions, 0 deletions
diff --git a/intern/cycles/device/device_multi.cpp b/intern/cycles/device/device_multi.cpp
index c866ebaaea2..7f055c79491 100644
--- a/intern/cycles/device/device_multi.cpp
+++ b/intern/cycles/device/device_multi.cpp
@@ -278,6 +278,22 @@ public:
 		return -1;
 	}
 
+	int get_split_task_count(DeviceTask& task)
+	{
+		int total_tasks = 0;
+		list<DeviceTask> tasks;
+		task.split(tasks, devices.size());
+		foreach(SubDevice& sub, devices) {
+			if(!tasks.empty()) {
+				DeviceTask subtask = tasks.front();
+				tasks.pop_front();
+
+				total_tasks += sub.device->get_split_task_count(subtask);
+			}
+		}
+		return total_tasks;
+	}
+
 	void task_add(DeviceTask& task)
 	{
 		list<DeviceTask> tasks;