+ * @param[in] depthIndex The visual's depth-index is set to this. If the depth-index is set to DepthIndex::Ranges::AUTO_INDEX,
+ * the actual depth-index of visual will be determind automatically (Use previous visuals depth-index, or placed on top of all other visuals.)
+ * Otherwise, the visual's depth-index is set to clamped value, between DepthIndex::Ranges::MINIMUM_DEPTH_INDEX and DepthIndex::Ranges::MAXIMUM_DEPTH_INDEX.