signed distance field

Kuaishou Tech

Mar 25, 2021 · Fundamentals

GPU Text Rendering Techniques: Image Text, Triangulated Text, Vector Text, and Signed Distance Fields

This article explains how short‑video apps render text on the GPU by converting characters into GPU‑friendly primitives, covering image‑based text, triangulated glyphs, vector rendering extensions, and signed distance field methods, along with their advantages, drawbacks, and practical libraries.