Cycles: immediately store the used_shader list in Blender interface.

Uniform attributes require immediate access to the shader list
in object update code, so setting the field can't be deferred
to a background task. This required adding a parameter to the
clear method of Geometry.

Ref D2057

1 files changed, 2 insertions, 2 deletions

diff --git a/intern/cycles/render/hair.cpp b/intern/cycles/render/hair.cpp
index 816c15cf4ef..3853604f78a 100644
--- a/intern/cycles/render/hair.cpp
+++ b/intern/cycles/render/hair.cpp
@@ -321,9 +321,9 @@ void Hair::reserve_curves(int numcurves, int numkeys)
   attributes.resize(true);
 }
 
-void Hair::clear()
+void Hair::clear(bool preserve_shaders)
 {
-  Geometry::clear();
+  Geometry::clear(preserve_shaders);
 
   curve_keys.clear();
   curve_radius.clear();