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View, browse and sort the ever-growing list of sessions by day, time, pass type, topic, and format. With this Session Viewer, you can view session and speaker details for Game Developers Conference 2024.

You will be able to build your schedule with the GDC Mobile App. The GDC 2024 app will be available for download in Apple Apps and Google Play late February 2024.

Sessions do fill up and seating is first come, first serve, so arrive early to sessions that you would like to attend. Adding a session to your schedule does not guarantee you a seat.

UIPainter: Tile-Based UI Rendering in One Draw Call

Wessel Mast  (Tools Programmer, Guerrilla B.V.)

Location: Room 3016, West Hall

Date: Thursday, March 21

Time: 3:00 pm - 3:30 pm

Pass Type: All Access Pass, Core Pass - Get your pass now!

Topic: Programming

Format: Session

Vault Recording: Video

Audience Level: All

Every game editor needs a user interface. It is how we allow developers to create content for the game in a visual way. A good UI renderer has clear-cut constraints, like drawing nicely anti-aliased primitives, yet programmers have vastly different approaches to rendering game editor UI.

In this session, Wessel Mast, Tools Programmer at Guerrilla, will tell you about how Guerrilla’s editor ‘Decima’ renders UI: how it uses a tile-based renderer, commonly used in light culling, SSAO, depth of field and more, for drawing complex UI in an efficient manner and how it manages to draw thousands of primitives like rectangles, lines and curves in a single draw call using signed distance fields.


Attendees will be shown the simple and fast UI framework of the Decima Editor. It was used to ship AAA titles like Horizon Forbidden West and Death Stranding. Attendees will learn about tile-based rendering, signed distance fields, and how to optimize for both.

Intended Audience

This presentation targets programmers interested in smooth, anti-aliased user interfaces or need a simple, high-performance drawing framework for their editor. Attendees do not need prerequisite knowledge to enter the presentation, but it helps to have some experience with graphics programming or tools programming.

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