source/blender/render/hydra/scene_delegate/blender_scene_delegate.cc

@@ -32,49 +32,42 @@ pxr::HdMeshTopology BlenderSceneDelegate::GetMeshTopology(pxr::SdfPath const &id
 pxr::GfMatrix4d BlenderSceneDelegate::GetTransform(pxr::SdfPath const &id)
 {
   CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", id.GetText());
-
   InstancerData *i_data = instancer_data(id, true);
   if (i_data) {
     return i_data->get_transform(id);
   }
-
   ObjectData *obj_data = object_data(id);
   if (obj_data) {
     return obj_data->transform;
   }
-
   if (id == world_prim_id()) {
     return world_data_->transform;
   }
-
   return pxr::GfMatrix4d();
 }
 
 pxr::VtValue BlenderSceneDelegate::Get(pxr::SdfPath const &id, pxr::TfToken const &key)
 {
   CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s, %s", id.GetText(), key.GetText());
-
   ObjectData *obj_data = object_data(id);
   if (obj_data) {
     return obj_data->get_data(key);
   }
-
   MaterialData *mat_data = material_data(id);
   if (mat_data) {
     return mat_data->get_data(key);
   }
-
   InstancerData *i_data = instancer_data(id);
   if (i_data) {
     return i_data->get_data(key);
   }
-
   return pxr::VtValue();
 }
 
 pxr::VtValue BlenderSceneDelegate::GetLightParamValue(pxr::SdfPath const &id,
                                                       pxr::TfToken const &key)
 {
+  CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s, %s", id.GetText(), key.GetText());
   LightData *l_data = light_data(id);
   if (l_data) {
     return l_data->get_data(key);
@@ -89,27 +82,26 @@ pxr::HdPrimvarDescriptorVector BlenderSceneDelegate::GetPrimvarDescriptors(
     pxr::SdfPath const &id, pxr::HdInterpolation interpolation)
 {
   CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s, %d", id.GetText(), interpolation);
-
   MeshData *m_data = mesh_data(id);
   if (m_data) {
     return m_data->primvar_descriptors(interpolation);
   }
-
   InstancerData *i_data = instancer_data(id);
   if (i_data) {
     return i_data->primvar_descriptors(interpolation);
   }
-
   return pxr::HdPrimvarDescriptorVector();
 }
 
 pxr::SdfPath BlenderSceneDelegate::GetMaterialId(pxr::SdfPath const &rprim_id)
 {
+  CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", rprim_id.GetText());
   return mesh_data(rprim_id)->material_id();
 }
 
 pxr::VtValue BlenderSceneDelegate::GetMaterialResource(pxr::SdfPath const &id)
 {
+  CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", id.GetText());
   MaterialData *mat_data = material_data(id);
   if (mat_data) {
     return mat_data->get_material_resource();
@@ -119,10 +111,10 @@ pxr::VtValue BlenderSceneDelegate::GetMaterialResource(pxr::SdfPath const &id)
 
 bool BlenderSceneDelegate::GetVisible(pxr::SdfPath const &id)
 {
+  CLOG_INFO(LOG_RENDER_HYDRA_SCENE, 3, "%s", id.GetText());
   if (id == world_prim_id()) {
     return true;
   }
-
   return object_data(id)->visible;
 }
 
@@ -181,11 +173,9 @@ void BlenderSceneDelegate::clear()
   for (auto &it : objects_) {
     it.second->remove();
   }
-
   for (auto &it : instancers_) {
     it.second->remove();
   }
-
   for (auto &it : materials_) {
     it.second->remove();
   }

source/blender/render/hydra/scene_delegate/instancer.cc

@@ -212,7 +212,7 @@ void InstancerData::set_instances()
   for (auto &it : mesh_instances_) {
     it.second.indices.clear();
   }
-  int index = 0;
+  int mesh_index = 0, light_index = 0;
   Instance *inst;
   pxr::SdfPath p_id;
   Object *ob;
@@ -224,18 +224,20 @@ void InstancerData::set_instances()
     if (!is_supported(ob)) {
       continue;
     }
-    p_id = object_prim_id(dupli->ob);
 
+    p_id = object_prim_id(dupli->ob);
     if (ob->type == OB_LAMP) {
-      auto it = mesh_instances_.find(p_id);
+      auto it = light_instances_.find(p_id);
-      if (it == mesh_instances_.end()) {
+      if (it == light_instances_.end()) {
-        inst = &mesh_instances_[p_id];
+        inst = &light_instances_[p_id];
         inst->obj_data = std::make_unique<LightData>(scene_delegate_, ob, p_id);
         inst->obj_data->init();
       }
       else {
         inst = &it->second;
       }
+      mesh_transforms_.push_back(gf_matrix_from_transform(dupli->mat));
+      inst->indices.push_back(mesh_index);
     }
     else {
       auto it = mesh_instances_.find(p_id);
@@ -246,11 +248,11 @@ void InstancerData::set_instances()
       else {
         inst = &it->second;
       }
+      mesh_transforms_.push_back(gf_matrix_from_transform(dupli->mat));
+      inst->indices.push_back(mesh_index);
+      ID_LOG(2, "%s %d", inst->obj_data->id->name, mesh_index);
+      ++mesh_index;
     }
-    mesh_transforms_.push_back(gf_matrix_from_transform(dupli->mat));
-    inst->indices.push_back(index);
-    ID_LOG(2, "%s %d", inst->obj_data->id->name, index);
-    ++index;
   }
   free_object_duplilist(lb);