Cycles: De-duplicate trace-time object visibility calculation

We already have enough files to worry about in BVH builders. no need to add yet
another copy-paste code which is tempting to be running out of sync.

1 files changed, 11 insertions, 0 deletions

diff --git a/intern/cycles/render/object.cpp b/intern/cycles/render/object.cpp
index 375abfeb27a..b00e5624266 100644
--- a/intern/cycles/render/object.cpp
+++ b/intern/cycles/render/object.cpp
@@ -262,6 +262,17 @@ bool Object::is_traceable()
 	return true;
 }
 
+uint Object::visibility_for_tracing() const {
+	uint trace_visibility = visibility;
+	if (is_shadow_catcher) {
+		trace_visibility &= ~PATH_RAY_SHADOW_NON_CATCHER;
+	}
+	else {
+		trace_visibility &= ~PATH_RAY_SHADOW_CATCHER;
+	}
+	return trace_visibility;
+}
+
 /* Object Manager */
 
 ObjectManager::ObjectManager()