Cycles: Pass requested tile size to the device via device task

This is currently unused but crucial for things like calculating amount of
device memory required to deal with the tasks.

Maybe not really best place to store it, but consider it good enough for now.

2 files changed, 2 insertions, 0 deletions

diff --git a/intern/cycles/device/device_task.h b/intern/cycles/device/device_task.h
index 0c23d8971e0..834ea60988a 100644
--- a/intern/cycles/device/device_task.h
+++ b/intern/cycles/device/device_task.h
@@ -65,6 +65,7 @@ public:
 
 	bool need_finish_queue;
 	bool integrator_branched;
+	int2 requested_tile_size;
 protected:
 	double last_update_time;
 };
diff --git a/intern/cycles/render/session.cpp b/intern/cycles/render/session.cpp
index 82197d5340a..9ef1c1f4f1f 100644
--- a/intern/cycles/render/session.cpp
+++ b/intern/cycles/render/session.cpp
@@ -859,6 +859,7 @@ void Session::path_trace()
 	task.update_progress_sample = function_bind(&Session::update_progress_sample, this);
 	task.need_finish_queue = params.progressive_refine;
 	task.integrator_branched = scene->integrator->method == Integrator::BRANCHED_PATH;
+	task.requested_tile_size = params.tile_size;
 
 	device->task_add(task);
 }