Cycles: Fixes for recent refactor

- add_vertex() can be called from split_vertex() which does not guarantee
  to have properly pre-allocate arrays.

- Need to check whether Cycles is compiled with OSL in XML reader.

1 files changed, 2 insertions, 0 deletions

diff --git a/intern/cycles/app/cycles_xml.cpp b/intern/cycles/app/cycles_xml.cpp
index 6f9cbe37a58..9f967a4bde9 100644
--- a/intern/cycles/app/cycles_xml.cpp
+++ b/intern/cycles/app/cycles_xml.cpp
@@ -306,6 +306,7 @@ static void xml_read_shader_graph(XMLReadState& state, Shader *shader, pugi::xml
 
 			snode = env;
 		}
+#ifdef WITH_OSL
 		else if(string_iequals(node.name(), "osl_shader")) {
 			if(manager->use_osl()) {
 				std::string filepath;
@@ -329,6 +330,7 @@ static void xml_read_shader_graph(XMLReadState& state, Shader *shader, pugi::xml
 				fprintf(stderr, "OSL node without using --shadingsys osl.\n");
 			}
 		}
+#endif
 		else if(string_iequals(node.name(), "sky_texture")) {
 			SkyTextureNode *sky = new SkyTextureNode();