Cycles: Reduce verbosity of logging

Mainly makes logging less verbose when doing progressive sampling in viewport.

Such kind of verbosity is not really possible to be filtered out with `grep`
so let's reshuffle few lines of code.

1 files changed, 5 insertions, 0 deletions

diff --git a/intern/cycles/render/scene.h b/intern/cycles/render/scene.h
index d30a0cb45fe..b29aff88c01 100644
--- a/intern/cycles/render/scene.h
+++ b/intern/cycles/render/scene.h
@@ -213,6 +213,11 @@ public:
 	void device_free();
 
 protected:
+	/* Check if some heavy data worth logging was updated.
+	 * Mainly used to suppress extra annoying logging.
+	 */
+	bool need_data_update();
+
 	void free_memory(bool final);
 };