EPreshader2Opcode | Unreal Engine 5.8 Documentation

API > API/Runtime > API/Runtime/Engine


Name	EPreshader2Opcode
Type	enum
Header File	/Engine/Source/Runtime/Engine/Public/Shader/Preshader2.h
Include Path	#include "Shader/Preshader2.h"

Syntax

enum EPreshader2Opcode  
{  
    Invalid,  
    Abs,  
    Abs_InPlace,  
    Abs_Reuse,  
    Cast,  
    Cast_InPlace,  
    Cast_Reuse,  
    Cast_ReuseDouble,  
    Cast_ReuseInteger,  
    Cast_ReuseLWC,  
    Negate,  
    Negate_InPlace,  
    Negate_Reuse,  
    Saturate,  
    Saturate_InPlace,  
    Saturate_Reuse,  
    Sign,  
    Sign_InPlace,  
    Sign_Reuse,  
    ACos,  
    ACos_InPlace,  
    ACos_Reuse,  
    ASin,  
    ASin_InPlace,  
    ASin_Reuse,  
    ATan,  
    ATan_InPlace,  
    ATan_Reuse,  
    Ceil,  
    Ceil_InPlace,  
    Ceil_Reuse,  
    Cos,  
    Cos_InPlace,  
    Cos_Reuse,  
    Exponential,  
    Exponential_InPlace,  
    Exponential_Reuse,  
    Exponential2,  
    Exponential2_InPlace,  
    Exponential2_Reuse,  
    Floor,  
    Floor_InPlace,  
    Floor_Reuse,  
    Frac,  
    Frac_InPlace,  
    Frac_Reuse,  
    Fractional,  
    Fractional_InPlace,  
    Fractional_Reuse,  
    Logarithm,  
    Logarithm_InPlace,  
    Logarithm_Reuse,  
    Logarithm10,  
    Logarithm10_InPlace,  
    Logarithm10_Reuse,  
    Logarithm2,  
    Logarithm2_InPlace,  
    Logarithm2_Reuse,  
    Normalize,  
    Normalize_InPlace,  
    Normalize_Reuse,  
    Reciprocal,  
    Reciprocal_InPlace,  
    Reciprocal_Reuse,  
    Round,  
    Round_InPlace,  
    Round_Reuse,  
    Sin,  
    Sin_InPlace,  
    Sin_Reuse,  
    Sqrt,  
    Sqrt_InPlace,  
    Sqrt_Reuse,  
    Tan,  
    Tan_InPlace,  
    Tan_Reuse,  
    Truncate,  
    Truncate_InPlace,  
    Truncate_Reuse,  
    Length,  
    Add,  
    Add_InPlace,  
    Add_Reuse,  
    Add_Const,  
    Add_ConstInPlace,  
    Add_ConstReuse,  
    Add_ConstReuseScalar,  
    Divide,  
    Divide_InPlace,  
    Divide_Reuse,  
    Divide_Const,  
    Divide_ConstInPlace,  
    Divide_ConstReuse,  
    Divide_ConstReuseScalar,  
    Fmod,  
    Fmod_InPlace,  
    Fmod_Reuse,  
    Fmod_Const,  
    Fmod_ConstInPlace,  
    Fmod_ConstReuse,  
    Fmod_ConstReuseScalar,  
    Max,  
    Max_InPlace,  
    Max_Reuse,  
    Max_Const,  
    Max_ConstInPlace,  
    Max_ConstReuse,  
    Max_ConstReuseScalar,  
    Min,  
    Min_InPlace,  
    Min_Reuse,  
    Min_Const,  
    Min_ConstInPlace,  
    Min_ConstReuse,  
    Min_ConstReuseScalar,  
    Multiply,  
    Multiply_InPlace,  
    Multiply_Reuse,  
    Multiply_Const,  
    Multiply_ConstInPlace,  
    Multiply_ConstReuse,  
    Multiply_ConstReuseScalar,  
    Subtract,  
    Subtract_InPlace,  
    Subtract_Reuse,  
    Subtract_Const,  
    Subtract_ConstInPlace,  
    Subtract_ConstReuse,  
    Subtract_ConstReuseScalar,  
    ATan2,  
    ATan2_InPlace,  
    ATan2_Reuse,  
    ATan2_Const,  
    ATan2_ConstInPlace,  
    ATan2_ConstReuse,  
    ATan2_ConstReuseScalar,  
    Cross,  
    Dot,  
    Move,  
    MoveForFixup,  
    Constant,  
    RuntimeVirtualTextureUniform,  
    TexelSize,  
    TextureSize,  
    ExternalTextureCoordinateScaleRotation,  
    ExternalTextureCoordinateOffset,  
    SparseVolumeTextureUniform,  
    UnaryFirst                                = Abs,  
    UnaryNoInt                                = ACos,  
    UnaryCustom                               = Length,  
    UnaryLast                                 = Length,  
    BinaryFirst                               = Add,  
    BinaryNoInt                               = ATan2,  
    BinaryCustom                              = Cross,  
    BinaryLast                                = Dot,  
    TextureFirst                              = RuntimeVirtualTextureUniform,  
    TextureLast                               = TextureSize,  
}

enum EPreshader2Opcode  
{  
    Invalid,  
    Abs,  
    Abs_InPlace,  
    Abs_Reuse,  
    Cast,  
    Cast_InPlace,  
    Cast_Reuse,  
    Cast_ReuseDouble,  
    Cast_ReuseInteger,  
    Cast_ReuseLWC,  
    Negate,  
    Negate_InPlace,  
    Negate_Reuse,  
    Saturate,  
    Saturate_InPlace,  
    Saturate_Reuse,  
    Sign,  
    Sign_InPlace,  
    Sign_Reuse,  
    ACos,  
    ACos_InPlace,  
    ACos_Reuse,  
    ASin,  
    ASin_InPlace,  
    ASin_Reuse,  
    ATan,  
    ATan_InPlace,  
    ATan_Reuse,  
    Ceil,  
    Ceil_InPlace,  
    Ceil_Reuse,  
    Cos,  
    Cos_InPlace,  
    Cos_Reuse,  
    Exponential,  
    Exponential_InPlace,  
    Exponential_Reuse,  
    Exponential2,  
    Exponential2_InPlace,  
    Exponential2_Reuse,  
    Floor,  
    Floor_InPlace,  
    Floor_Reuse,  
    Frac,  
    Frac_InPlace,  
    Frac_Reuse,  
    Fractional,  
    Fractional_InPlace,  
    Fractional_Reuse,  
    Logarithm,  
    Logarithm_InPlace,  
    Logarithm_Reuse,  
    Logarithm10,  
    Logarithm10_InPlace,  
    Logarithm10_Reuse,  
    Logarithm2,  
    Logarithm2_InPlace,  
    Logarithm2_Reuse,  
    Normalize,  
    Normalize_InPlace,  
    Normalize_Reuse,  
    Reciprocal,  
    Reciprocal_InPlace,  
    Reciprocal_Reuse,  
    Round,  
    Round_InPlace,  
    Round_Reuse,  
    Sin,  
    Sin_InPlace,  
    Sin_Reuse,  
    Sqrt,  
    Sqrt_InPlace,  
    Sqrt_Reuse,  
    Tan,  
    Tan_InPlace,  
    Tan_Reuse,  
    Truncate,  
    Truncate_InPlace,  
    Truncate_Reuse,  
    Length,  
    Add,  
    Add_InPlace,  
    Add_Reuse,  
    Add_Const,  
    Add_ConstInPlace,  
    Add_ConstReuse,  
    Add_ConstReuseScalar,  
    Divide,  
    Divide_InPlace,  
    Divide_Reuse,  
    Divide_Const,  
    Divide_ConstInPlace,  
    Divide_ConstReuse,  
    Divide_ConstReuseScalar,  
    Fmod,  
    Fmod_InPlace,  
    Fmod_Reuse,  
    Fmod_Const,  
    Fmod_ConstInPlace,  
    Fmod_ConstReuse,  
    Fmod_ConstReuseScalar,  
    Max,  
    Max_InPlace,  
    Max_Reuse,  
    Max_Const,  
    Max_ConstInPlace,  
    Max_ConstReuse,  
    Max_ConstReuseScalar,  
    Min,  
    Min_InPlace,  
    Min_Reuse,  
    Min_Const,  
    Min_ConstInPlace,  
    Min_ConstReuse,  
    Min_ConstReuseScalar,  
    Multiply,  
    Multiply_InPlace,  
    Multiply_Reuse,  
    Multiply_Const,  
    Multiply_ConstInPlace,  
    Multiply_ConstReuse,  
    Multiply_ConstReuseScalar,  
    Subtract,  
    Subtract_InPlace,  
    Subtract_Reuse,  
    Subtract_Const,  
    Subtract_ConstInPlace,  
    Subtract_ConstReuse,  
    Subtract_ConstReuseScalar,  
    ATan2,  
    ATan2_InPlace,  
    ATan2_Reuse,  
    ATan2_Const,  
    ATan2_ConstInPlace,  
    ATan2_ConstReuse,  
    ATan2_ConstReuseScalar,  
    Cross,  
    Dot,  
    Move,  
    MoveForFixup,  
    Constant,  
    RuntimeVirtualTextureUniform,  
    TexelSize,  
    TextureSize,  
    ExternalTextureCoordinateScaleRotation,  
    ExternalTextureCoordinateOffset,  
    SparseVolumeTextureUniform,  
    UnaryFirst                                = Abs,  
    UnaryNoInt                                = ACos,  
    UnaryCustom                               = Length,  
    UnaryLast                                 = Length,  
    BinaryFirst                               = Add,  
    BinaryNoInt                               = ATan2,  
    BinaryCustom                              = Cross,  
    BinaryLast                                = Dot,  
    TextureFirst                              = RuntimeVirtualTextureUniform,  
    TextureLast                               = TextureSize,  
}

Values

Name	Remarks
Invalid
Abs	Unary ops with integer support each has 3 opcode variants, with Cast having 3 extra custom "Reuse" opcode variants for different destination types.
Abs_InPlace
Abs_Reuse
Cast
Cast_InPlace
Cast_Reuse
Cast_ReuseDouble
Cast_ReuseInteger
Cast_ReuseLWC
Negate
Negate_InPlace
Negate_Reuse
Saturate
Saturate_InPlace
Saturate_Reuse
Sign
Sign_InPlace
Sign_Reuse
ACos	Unary ops without integer support.
ACos_InPlace
ACos_Reuse
ASin
ASin_InPlace
ASin_Reuse
ATan
ATan_InPlace
ATan_Reuse
Ceil
Ceil_InPlace
Ceil_Reuse
Cos
Cos_InPlace
Cos_Reuse
Exponential
Exponential_InPlace
Exponential_Reuse
Exponential2
Exponential2_InPlace
Exponential2_Reuse
Floor
Floor_InPlace
Floor_Reuse
Frac
Frac_InPlace
Frac_Reuse
Fractional
Fractional_InPlace
Fractional_Reuse
Logarithm
Logarithm_InPlace
Logarithm_Reuse
Logarithm10
Logarithm10_InPlace
Logarithm10_Reuse
Logarithm2
Logarithm2_InPlace
Logarithm2_Reuse
Normalize
Normalize_InPlace
Normalize_Reuse
Reciprocal
Reciprocal_InPlace
Reciprocal_Reuse
Round
Round_InPlace
Round_Reuse
Sin
Sin_InPlace
Sin_Reuse
Sqrt
Sqrt_InPlace
Sqrt_Reuse
Tan
Tan_InPlace
Tan_Reuse
Truncate
Truncate_InPlace
Truncate_Reuse
Length	Non-standard unary ops single opcode variant.
Add	Binary ops with integer support each has 7 opcode variants.
Add_InPlace
Add_Reuse
Add_Const
Add_ConstInPlace
Add_ConstReuse
Add_ConstReuseScalar
Divide
Divide_InPlace
Divide_Reuse
Divide_Const
Divide_ConstInPlace
Divide_ConstReuse
Divide_ConstReuseScalar
Fmod
Fmod_InPlace
Fmod_Reuse
Fmod_Const
Fmod_ConstInPlace
Fmod_ConstReuse
Fmod_ConstReuseScalar
Max
Max_InPlace
Max_Reuse
Max_Const
Max_ConstInPlace
Max_ConstReuse
Max_ConstReuseScalar
Min
Min_InPlace
Min_Reuse
Min_Const
Min_ConstInPlace
Min_ConstReuse
Min_ConstReuseScalar
Multiply
Multiply_InPlace
Multiply_Reuse
Multiply_Const
Multiply_ConstInPlace
Multiply_ConstReuse
Multiply_ConstReuseScalar
Subtract
Subtract_InPlace
Subtract_Reuse
Subtract_Const
Subtract_ConstInPlace
Subtract_ConstReuse
Subtract_ConstReuseScalar
ATan2	Binary ops without integer support.
ATan2_InPlace
ATan2_Reuse
ATan2_Const
ATan2_ConstInPlace
ATan2_ConstReuse
ATan2_ConstReuseScalar
Cross	Non-standard binary ops single opcode variant.
Dot
Move	Ops that don't fall under unary or binary categories.
MoveForFixup
Constant
RuntimeVirtualTextureUniform	Texture inputs.
TexelSize
TextureSize
ExternalTextureCoordinateScaleRotation	External inputs (TODO: Unimplemented)
ExternalTextureCoordinateOffset
SparseVolumeTextureUniform
UnaryFirst	Standard unary ops have three variations: normal, in place (input == output), and reuse (input == output == last output)
UnaryNoInt
UnaryCustom
UnaryLast
BinaryFirst	Standard binary ops have seven variations: normal, in place (first input == output), reuse (first input == output == last output), plus four variations with inline constant second arguments (normal, in place, reuse, reuse with scalar constant).
BinaryNoInt
BinaryCustom
BinaryLast
TextureFirst
TextureLast

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