일단은 멀티로 접속이 됨..

impl/vulkan_engine/vulkan/buffers.cpp

@@ -170,7 +170,7 @@ void Graphics::RenderIndexedBuffer(BufferHandle vertex_buffer,
   vkCmdDrawIndexed(frames_[current_frame_].command_buffer, count, 1, 0, 0, 0);
   SetModelMatrix(glm::mat4(1.f));
 }
-void Graphics::RenderModel(Model* model) {
+void Graphics::RenderModel(std::shared_ptr<Model> model) {
   if (!model->visible) return;
   SetTexture(model->material.texture_handle);
   SetModelMatrix(model->transform);