source/blender/render/hydra/sceneDelegate/blenderSceneDelegate.cc

@@ -54,7 +54,7 @@ void BlenderSceneDelegate::update_material(Material *material)
 
 void BlenderSceneDelegate::add_world(View3DShading *view3DShading, World *world)
 {
-  SdfPath world_light_id = world_id(view3DShading);
+  SdfPath world_light_id = world_id(b_context);
 
   LOG(INFO) << "Add world: " << world_light_id;
 
@@ -232,12 +232,12 @@ SdfPath BlenderSceneDelegate::material_id(Material *material)
   return GetDelegateID().AppendElementString(str);
 }
 
-SdfPath BlenderSceneDelegate::world_id(View3DShading *view3DShading)
+SdfPath BlenderSceneDelegate::world_id(BL::Context *b_context)
 {
   /* Making id of material in form like M_<pointer in 16 hex digits format>. Example:
    * W_000002074e812088 */
   char str[32];
-  snprintf(str, 32, "W_%016llx", (uint64_t)view3DShading);
+  snprintf(str, 32, "W_%016llx", (uint64_t)b_context);
   return GetDelegateID().AppendElementString(str);
 }
 
@@ -265,7 +265,6 @@ void BlenderSceneDelegate::Populate(BL::Depsgraph &b_deps, BL::Context &b_cont)
     update_collection();
 
     World *world = (World *)b_depsgraph->scene().world().ptr.data;
-
     add_world(&view3d->shading, world);
 
     is_populated = true;

source/blender/render/hydra/sceneDelegate/blenderSceneDelegate.h

@@ -43,15 +43,15 @@ private:
   MaterialData *material_data(SdfPath const &id);
   SdfPath object_id(Object *object);
   SdfPath material_id(Material *material);
+  SdfPath world_id(BL::Context *b_context);
   bool supported_object(Object *object);
 
   void add_update_object(Object *object, bool geometry, bool transform, bool shading);
   void set_material(ObjectData &obj_data);
   void update_material(Material *material);
+  void add_world(View3DShading *view3DShading, World *world);
   void update_collection();
   void update_visibility();
-  void add_world(View3DShading *view3DShading, World *world);
-  SdfPath world_id(View3DShading *view3DShading);
 
 private:  
   BL::Depsgraph *b_depsgraph;

source/blender/render/hydra/sceneDelegate/world.cc

@@ -1,7 +1,6 @@
 /* SPDX-License-Identifier: Apache-2.0
  * Copyright 2011-2022 Blender Foundation */
 
-
 #include <filesystem>
 
 #include <pxr/base/vt/array.h>
@@ -95,6 +94,10 @@ void WorldData::set_as_world()
     bNode *output_node = ntreeShaderOutputNode(world->nodetree, SHD_OUTPUT_ALL);
     bNodeSocket input_socket = output_node->input_by_identifier("Surface");
     bNodeLink const *link = input_socket.directly_linked_links()[0];
+    if (!link) {
+      return;
+    }
+
     bNode *input_node = link->fromnode;
 
     bNodeSocket color_input = input_node->input_by_identifier("Color");
@@ -149,4 +152,5 @@ void WorldData::set_as_shading()
       shading->single_color[2]
   );
 }
+
 }  // namespace blender::render::hydra

source/blender/render/hydra/utils.cc

@@ -82,4 +82,5 @@ string cache_image(Main *bmain,
   BKE_image_save_options_free(opts);
   return "";
 }
+
 }  // namespace blender::render::hydra

source/blender/render/hydra/viewportEngine.cc

@@ -544,7 +544,6 @@ void ViewportEngine::sync(BL::Depsgraph &b_depsgraph, BL::Context &b_context, px
     sceneDelegate = std::make_unique<BlenderSceneDelegate>(renderIndex.get(), 
       SdfPath::AbsoluteRootPath().AppendElementString("scene"));
   }
-  View3D *view3d = (View3D *)b_context.space_data().ptr.data;
   sceneDelegate->Populate(b_depsgraph, b_context);
 
   for (auto const& setting : renderSettings) {