i hate metal cpp

src/gpu/GPURenderer.h

@@ -11,7 +11,7 @@ struct GPURenderer : public Renderer
 {
 public:
   GPURenderer();
-  virtual ~GPURenderer();  
+  virtual ~GPURenderer();
   virtual void addPointLight(PointLight point) override { scene->addPointLight(point); }
   virtual void addDirectionalLight(DirectionalLight dir) override { scene->addDirectionalLight(dir); }
   virtual void addModel(PModel model, glm::mat4 transform) override { scene->addModel(std::move(model), transform); }
@@ -19,6 +19,9 @@ public:
   virtual void generate() override { scene->generate(); }
   virtual void render(Camera cam, RenderParameter param) override;
 
+  virtual void beginFrame() override;
+  virtual void update() override;
+
 private:
   struct GPUCamera
   {