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> Unreal Engine API Reference > Runtime > Engine > FMaterialCompiler > FMaterialCompiler::IsCurrentlyCompilingForPreviousFrame

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FMaterialCompiler::IsCurrentlyCompilingForPreviousFrame

The compiler can run in a different state and this affects caching of sub expression, Expressions are different (e.g. View.PrevWorldViewOrigin) when using previous frame's values If possible we should re-factor this to avoid having to deal with compiler state

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References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/MaterialCompiler.h
Include	#include "MaterialCompiler.h"

Syntax

virtual bool IsCurrentlyCompilingForPreviousFrame() const

Remarks

The compiler can run in a different state and this affects caching of sub expression, Expressions are different (e.g. View.PrevWorldViewOrigin) when using previous frame's values If possible we should re-factor this to avoid having to deal with compiler state

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