Updated to handle frame buffering a bit better

include/renderer.h

@@ -24,7 +24,6 @@ public:
 
 	virtual void RecordCommands() = 0;
 	virtual void Render() = 0;
-	virtual void WaitForPreviousFrame() = 0;
 	virtual void Destroy() = 0;
 
 	static std::unique_ptr<IRenderer> Create(const RendererCreateParams& params);