RHICoreTexture.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "DynamicRHI.h"
#include "RHIResources.h"
 
namespace UE::RHICore
{
    inline uint32 GetCombinedArrayIndex(const FRHITextureDesc& Desc, uint32 FaceIndex, uint32 ArrayIndex)
    {
        if (Desc.IsTextureCube())
        {
            return FaceIndex + ArrayIndex * 6;
        }
 
        if (Desc.IsTextureArray())
        {
            return ArrayIndex;
        }
 
        return 0;
    }
 
    inline uint32 GetLockArrayIndex(const FRHITextureDesc& Desc, const FRHILockTextureArgs& Arguments)
    {
        return GetCombinedArrayIndex(Desc, Arguments.FaceIndex, Arguments.ArrayIndex);
    }
}