Float16Color.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Math/Color.h"
#include "Math/Float16.h"
 
class FFloat16Color
{
public:
 
    FFloat16 R;
    FFloat16 G;
    FFloat16 B;
    FFloat16 A;
 
    /* Get as a pointer to four half floats */
    [[nodiscard]] uint16 * GetFourHalves()
    {
        return (uint16 *)this;
    }
    [[nodiscard]] const uint16 * GetFourHalves() const
    {
        return (const uint16 *)this;
    }
 
    [[nodiscard]] const FLinearColor GetFloats() const;
 
    [[nodiscard]] FFloat16Color();
 
    [[nodiscard]] FFloat16Color(const FFloat16Color& Src);
 
    [[nodiscard]] FFloat16Color(const FLinearColor& Src);
 
    FFloat16Color& operator=(const FFloat16Color& Src);
 
    [[nodiscard]] bool operator==(const FFloat16Color& Src) const;
};
 
 
UE_FORCEINLINE_HINT FFloat16Color::FFloat16Color() { }
 
 
inline FFloat16Color::FFloat16Color(const FFloat16Color& Src)
{
    R = Src.R;
    G = Src.G;
    B = Src.B;
    A = Src.A;
}
 
 
UE_FORCEINLINE_HINT FFloat16Color::FFloat16Color(const FLinearColor& Src)
{
    FPlatformMath::VectorStoreHalf( GetFourHalves(), (const float *)&Src );
}
 
    
inline const FLinearColor FFloat16Color::GetFloats() const
{
    FLinearColor Ret;
    FPlatformMath::VectorLoadHalf( (float *)&Ret, GetFourHalves() );
    return Ret;
}
 
 
inline FFloat16Color& FFloat16Color::operator=(const FFloat16Color& Src)
{
    R = Src.R;
    G = Src.G;
    B = Src.B;
    A = Src.A;
    return *this;
}
 
inline bool FFloat16Color::operator==(const FFloat16Color& Src) const
{
    return (
        (R == Src.R) &&
        (G == Src.G) &&
        (B == Src.B) &&
        (A == Src.A)
        );
}