Reference index / 텍스처·셰이더·합성 기법
Premultiplied Alpha
A color representation with RGB already multiplied by alpha, and the matching compositing method.
When to use it
Compositing transparent edges.
Caveats and distinctions
Mismatched assets and blending settings can cause edge artifacts.
Implementation and classification
게임 VFX / 텍스처·셰이더·합성 기법
Sources and verification status
https://dev.epicgames.com/documentation/unreal-engine/unreal-engine-material-expressions-reference
Source scope and verification status describe the existing catalog record. Publishing this page does not independently re-verify the latest library version, license, or production behavior.