RHICoreInitializerCommon.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "HAL/UnrealMemory.h"
#include "Templates/UnrealTemplate.h"
 
namespace UE::RHICore
{
    // Utility class for RHIs to use when they need to malloc aligned data up-front and make sure it's freed correctly by the Initializer lambda destruction
    struct FInitializerScopedMemory : public FNoncopyable
    {
        FInitializerScopedMemory(void* InPointer)
            : Pointer(InPointer)
        {
        }
        FInitializerScopedMemory(size_t InSize, uint32 InAlignment)
            : FInitializerScopedMemory(FMemory::Malloc(InSize, InAlignment))
        {
        }
        FInitializerScopedMemory(FInitializerScopedMemory&& InOther)
            : Pointer(InOther.Pointer)
        {
            InOther.Pointer = nullptr;
        }
        ~FInitializerScopedMemory()
        {
            if (Pointer)
            {
                FMemory::Free(Pointer);
            }
        }
 
        void* Pointer{};
    };
}