@EpicShaders

Engineering Fellow in Graphics at Epic Games. Lumen Global Illumination and Reflections in UE5 are my passion. Daytime version of @DanielMakeGames.

epicshaders.com
Joined July 2014
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  • Following83
  • Followers14.9K
51Media
The slides for our huge Lumen presentation in the Advances course at Siggraph 2022 are now up! We presented all of our work on real-time Global Illumination in UE5 to date, with lots of inside info from 'The Matrix Awakens' demo. advances.realtimerendering.c… @knarkowicz @_pmkelly
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I worked on Lumen Lite which is now out in UE 5.8. It's based on Irradiance Fields with Probe Occlusion, but with automatic probe placement. It is used when the engine is set to Medium GI and Reflections quality. dev.epicgames.com/documentat…
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It's lower quality than Lumen High, but maintains the art direction that Global Illumination brings, while being 2x faster. It's also the engine default for Switch 2, where it can fit in a 60fps frame budget.
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More info in the docs: dev.epicgames.com/documentat…

Lumen Performance Guide for Unreal Engine | Unreal Engine 5.8 Documentation | Epic Developer...

A guide for understanding Lumen's scalability options in Unreal Engine.

dev.epicgames.com
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Sam Pavlovic
@sampavlovicApr 2
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Brian Karis@BrianKarisFeb 2
I'm finally writing up how Nanite Tessellation works. The first few blogs posts are up. More will be coming. graphicrants.blogspot.com/20…
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My "No Graphics API" blog post is live! Please repost :) sebastianaaltonen.com/blog/n…

No Graphics API — Sebastian Aaltonen

Graphics APIs and shader languages have significantly increased in complexity over the past decade. It’s time to start discussing how to strip down the abstractions to simplify development, improve...

sebastianaaltonen.com
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Siggraph 2025 Advance real time rendering course program published advances.realtimerendering.c…
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80 LEVEL
@80Level6 Nov 2024
Check out this beautiful, fully customizable and interactive @CloviRenart's #Nanite grass for @UnrealEngine 5, now featuring subsurface scattering, increased density, enhanced wind, and more. Get it here: 80.lv/articles/get-this-cust… #ue5 #unrealengine5 #environmentart
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MegaLights release took me a bit by surprise. It was just a small prototype on a backburner, not planned to be showcased in UE 5.5. Now trying to catch up after the demo push, starting from writing the official docs which just went online: dev.epicgames.com/documentat…

MegaLights in Unreal Engine | Unreal Engine 5.8 Documentation | Epic Developer Community

A whole new direct lighting path to place many dynamic and shadowed area lights in Unreal Engine.

dev.epicgames.com
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Today on Digital Foundry, @oliemack takes a long overdue look at Teyon's exceptional RoboCop: Rogue City. Unreal Engine 5's high-end features are beautifully deployed to capture the original movie aesthetic - and it's excellent to play too. youtu.be/TYli86rF3X8
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Petri Levälahti@Berduu8 Nov 2023
RoboCop: Rogue City
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After 17 years at Epic Games and an intense few years launching Lumen in UE5 with @knarkowicz, I'm in need of a break, so I'm going on an extended leave. Lumen isn't done of course, and work on it will continue, just without me for the time being.
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#rtradvances from #SIGGRAPH2023 - presentation on Authoring Materials That Matters - Substrate in @UnrealEngine 5 from @SebHillaire and @kiwaiii is now online - enjoy! advances.realtimerendering.c…
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80 LEVEL
@80Level29 Aug 2023
Lighting Artist Ted Mebratu has leveraged @UnrealEngine 5's Lumen and @nvidia's RTX Direct Illumination to add hundreds of lighting sources to a 3D cyberpunk environment: 80.lv/articles/hundreds-of-l… #unrealengine5 #ue5 #nvidia #lighting #3dlighting #unrealengine #rtxdi #rtx
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Tim Hobson@TimHobsonUE411 May 2023
We have a new Lumen Performance Guide thanks to @knarkowicz and @EpicShaders for this UE 5.2 release. Go check it out! docs.unrealengine.com/5.2/en…
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youtube.com/watch?v=COTNooQ1…
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JBovski °@JBovski3D15 Apr 2023
Changed my initial car for this bad boy, Chevy Blazer. Car paint need some love yet but I'm happy overall. UE5 x Lumen #lumen #Automotive #UnrealEngine
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The Most Photorealistic UNREAL ENGINE 5 Demos from the best artists at the moment. Thanks to @EnfantTerribleM to mention my personal work 🤟 #UE5 #UnrealEngine5 #lumen #nanite #videogames #horror #DeathStranding #inspired @UnrealEngine @quixeltools youtu.be/DmBqIqEAthg?t=508
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Just gave my old sci-fi project a fresh new look with a relight in Unreal 5.1! Check out the before and after on my Artstation page: artstation.com/artwork/28oww… #3Dart #SciFi #relighting #UnrealEngine #Artstation #scifiart #gamedev #UE5 #Lumen
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