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Use the GDC 2021 Session Viewer to browse and sort the ever-growing list of sessions by day, time, pass type, topic, and format. All registered attendees will be able to build their personal schedule directly within the event platform, once live early July 2021. All times are listed in Pacific Time.

The Technology Behind NVRTX (Presented by NVIDIA)

Evan Hart  (Principal Engineer, NVIDIA)

Date: Thursday, July 22

Time: 3:40pm - 4:10pm

Pass Type: All Access Pass, Core Pass, Summits Pass, Expo Pass, Audio Pass, Independent Games Summit Pass

Topic: Programming

Format: Sponsored Session

Vault Recording: Not Recorded


The NVRTX family of branches brings enhanced ray tracing support to Unreal Engine 4. This session will discuss several challenges developers can encounter when working to deploy ray tracing in a game environment. The session then briefly delves into how NVIDIA has crafted solutions for these challenges within the context of a curated branch of UE4.


After this session, you will understand how NVIDIA has solved ray tracing challenges in the context of Unreal Engine 4.

Intended Audience

Graphics programmers, game developers