Navigation
API > API/Runtime > API/Runtime/Engine
This instruction represents the screen-space partial derivative of a given value along an axis.
| Name | FPartialDerivative |
| Type | struct |
| Header File | /Engine/Source/Runtime/Engine/Public/Materials/MaterialIR.h |
| Include Path | #include "Materials/MaterialIR.h" |
Syntax
struct FPartialDerivative : public MIR::TInstruction< VK_PartialDerivative, 1 >
Inheritance Hierarchy
- FValue → FInstruction → TInstruction → FPartialDerivative
Variables
Public
| Name | Type | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|---|
| Arg | FValue * | The value argument being differentiated. | Materials/MaterialIR.h | |
| Axis | EDerivativeAxis | The direction of partial derivative. | Materials/MaterialIR.h | |
| bHardwareDerivative | bool | Whether this should use hardware differential calculation. | Materials/MaterialIR.h |