fixing put pixel, adding scene change checker

runtime/Includes/Utils/CallOnExit.inl

@@ -0,0 +1,29 @@
+#pragma once
+#include <Utils/CallOnExit.h>
+
+namespace mlx
+{
+	template<typename F>
+	CallOnExit<F>::CallOnExit(F&& functor) : m_functor(std::move(functor)) {}
+
+	template<typename F>
+	CallOnExit<F>::~CallOnExit()
+	{
+		if(m_functor.has_value())
+			(*m_functor)();
+	}
+
+	template<typename F>
+	void CallOnExit<F>::CallAndReset()
+	{
+		if(m_functor.has_value())
+			(*m_functor)();
+		m_functor.reset();
+	}
+
+	template<typename F>
+	void CallOnExit<F>::Reset()
+	{
+		m_functor.reset();
+	}
+}