Call of Duty: Modern Warfare 4 - The Big Infinity Ward Engine Deep Dive (Patreon)

Published:

2026-10-21 15:15:54

Imported:

2026-10

Content

After a visit to Infinity Ward's R&D Centre in Poland we have new intel on the COD Engine upgrades shipping in Modern Warfare 4. Newly-added ray-marched fog and smoke, overhauled weather systems, and a new material pipeline are the highlights. Plus we have a behind-the-scenes look at path tracing (unreleased to the public), in comparison to the shipped ray tracing mode and its rasterised settings.

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Call of Duty: Modern Warfare 4 - The Big Infinity Ward Engine Deep Dive

Digital Foundry is now fully independent! Join the DF Supporter Program and support the team: https://bit.ly/3jEGjvx After a visit to Infinity Ward's R&D Centre in Poland we have new intel on the COD Engine upgrades shipping in Modern Warfare 4. Newly-added ray-marched fog and smoke, overhauled weather systems, and a new material pipeline are the highlights. Plus we have a behind-the-scenes look at path tracing (unreleased to the public), in comparison to the shipped ray tracing mode and its rasterised settings. Examine the DF Website: https://digitalfoundry.net Go here to check out DF merch! https://store.digitalfoundry.net Subscribe for more Digital Foundry: http://bit.ly/DFSubscribe 00:00 Introduction 02:15 New Voxel Based Smoke and Fog 05:48 Weather Systems + Visual Effects 08:34 New Material Pipeline 11:36 Rasterised GI/Reflections vs path tracing! 14:48 VRS + Effects Optimisations 17:56 Visibility Buffer Rendering 19:27 Concluding thoughts