Slughorn, Slug font/glyph render lib for OpenGL/OSG/Vulkan/GPU APIs (MIT lic))
Slughorn is a new open-source C++ library designed to implement high-quality GPU glyph rendering based on the recently patent-unencumbered Slug technique. It aims to provide a versatile tool for rendering text and vector data across various graphics APIs like Vulkan and OpenGL.
Why it matters
By open-sourcing a previously patented high-performance rendering technique, it enables developers to integrate professional-grade typography and UI elements into free and commercial software.
On March 17th 2026, Eric Lengyel made his Slug technique completely patent-unencumbered ( https://terathon.com/blog/decade-slug.html ) .
The article is a technical project announcement focused on software licensing and graphics engineering.
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