MetalCompiledShaderKey.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    MetalCompiledShaderKey.h: Metal RHI Compiled Shader Key.
=============================================================================*/
 
#pragma once
 
#include "HAL/Platform.h"
#include "Templates/TypeHash.h"
 
struct FMetalCompiledShaderKey
{
    FMetalCompiledShaderKey(uint32 InCodeSize, uint32 InCodeCRC, uint32 InConstants)
        : CodeSize(InCodeSize)
        , CodeCRC(InCodeCRC)
        , Constants(InConstants)
    {
        // VOID
    }
 
    friend bool operator ==(const FMetalCompiledShaderKey& A, const FMetalCompiledShaderKey& B)
    {
        return A.CodeSize == B.CodeSize && A.CodeCRC == B.CodeCRC && A.Constants == B.Constants;
    }
 
    friend uint32 GetTypeHash(const FMetalCompiledShaderKey &Key)
    {
        return HashCombine(HashCombine(GetTypeHash(Key.CodeSize), GetTypeHash(Key.CodeCRC)), GetTypeHash(Key.Constants));
    }
 
    uint32 CodeSize;
    uint32 CodeCRC;
    uint32 Constants;
};