Cleanup: clang-tidy, spelling

intern/cycles/blender/blender_display_driver.cpp

@@ -728,7 +728,7 @@ void BlenderDisplayDriver::vertex_buffer_update(const Params & /*params*/)
    *
    * Such approach can cause some extra "jelly" effect during panning, but it is not more jelly
    * than overlay of selected objects. Also, it's possible to redraw texture at an intersection of
-   * the texture draw parameters and the latest updated draw paaremters (altohoyugh, complexity of
+   * the texture draw parameters and the latest updated draw parameters (although, complexity of
    * doing it might not worth it. */
   const int x = texture_.params.full_offset.x;
   const int y = texture_.params.full_offset.y;

intern/cycles/render/scene.cpp

@@ -667,7 +667,7 @@ int Scene::get_volume_stack_size() const
     if (object->intersects_volume) {
       /* Object intersects another volume, assume it's possible to go deeper in the stack. */
       /* TODO(sergey): This might count nesting twice (A intersects B and B intersects A), but
-       * can't think of a computantially cheap algorithm. Dividing my 2 doesn't work because of
+       * can't think of a computationally cheap algorithm. Dividing my 2 doesn't work because of
        * Venn diagram example with 3 circles. */
       ++volume_stack_size;
     }

source/blender/editors/interface/interface_template_attribute_search.cc

@@ -122,4 +122,4 @@ void attribute_search_add_items(StringRefNull str,
   BLI_string_search_free(search);
 }
 
-}  // namespace blender::ui
+}  // namespace blender::ui

source/blender/editors/interface/tree_view.cc

@@ -693,7 +693,7 @@ char *UI_tree_view_item_drop_tooltip(const uiTreeViewItemHandle *item_, const wm
   const std::unique_ptr<AbstractTreeViewItemDropController> drop_controller =
       item.create_drop_controller();
   if (!drop_controller) {
-    return NULL;
+    return nullptr;
   }
 
   return BLI_strdup(drop_controller->drop_tooltip(*drag).c_str());