GroundZero @GroundZerror

C++ dev with Vulkan dependencies. UE5 alchemist. Fueled by shaders, bugs & bad puns. Joined December 2024

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Ari Arnbjörnsson @flassari

4 months ago

That's how you get zero stutters in your game. You're welcome, game industry. #uetips

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Using UE5's defaults? TSR, Lumen, and VSMs might be costing you more than you think. These features aren't just "free upgrades" they're performance tradeoffs that assume high-end hardware. Great breakdown on what's actually happening under the hood: medium.com/@GroundZer0/19…

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GroundZero @GroundZerror

5 months ago

TSR costing 3.3ms in a basic UE5 scene made me rethink AA entirely. But for stylized / non-Nanite projects? They can hurt clarity & performance. Wrote a deep dive 👇 medium.com/@GroundZer0/4d…

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GroundZero @GroundZerror

5 months ago

RDG isn’t “just a graph.” I built a custom RDG compute pass in Unreal Engine, broke SceneColor, got black frames, and finally understood why RDG exists. Shader parameters, lifetimes, debugging & fixes: medium.com/@GroundZer0/3f… #UnrealEngine #GameDev #Rendering

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GroundZero @GroundZerror

6 months ago

Visualizing performance stats builds intuition faster than staring at numbers. I experimented with building lightweight profiling & visualization tools in Unreal using ImGui. Full write-up: medium.com/@GroundZer0/73… #UnrealEngine #GameDev #TechArt #EngineTools #ImGui

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GroundZero @GroundZerror

6 months ago

Between vertex factories, static params, and Unreal’s compilation model, shader permutations become invisible technical debt. I did a deep dive into how Unreal actually generates shader permutations — and why the cost stays hidden.

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GroundZero @GroundZerror

6 months ago

Shader permutations in Unreal stay invisible until compile times explode. Static switches look clean but silently multiply shaders. Deep dive on how Unreal actually generates them 👇 👉 medium.com/@GroundZer0/ac…

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GroundZero @GroundZerror

6 months ago

A few questions worth asking: • How many permutations does your “simple” master material generate? • Are static switches necessary — or just convenient? • How many permutations come from usage flags you enabled once and forgot?

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GroundZero @GroundZerror

8 months ago

@GhislainGir Yea it's the global mesh distance fields. But I'm also exploring this right now so I'm not sure if that's the correct info I have at the moment. Pretty sure I'll get a better grasp out of the video 🔥.

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BORED @BoredElonMusk

9 months ago

Opportunity cost is real.

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Ari Arnbjörnsson @flassari

10 months ago

Profile.

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GroundZero @GroundZerror

10 months ago

@TheVisionGame Would love to read the deep dive on the same, optimization techniques never stop surprising me.

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GroundZero @GroundZerror

10 months ago

Ran the FAB Warehouse Environment on a modest RTX 3050 laptop at first, 18 FPS. Brutal. After profiling & cleanup: 44 FPS. Here’s what worked: medium.com/@GroundZer0/af…

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GroundZero @GroundZerror

10 months ago

Global Illumination isn’t just about light quality — it’s about how much GPU you can spend to keep it dynamic. Read more about Lumen Deep Dive right here 👇 medium.com/@GroundZer0/09…

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GroundZero @GroundZerror

10 months ago

Nanite performance isn’t just about triangles , it’s about how clusters stream and how you manage budgets. Push too many high-cost clusters, and streaming becomes the real bottleneck. medium.com/@GroundZer0/4c…

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GroundZero @GroundZerror

10 months ago

LOD chains are dead. But your job as an asset author didn’t vanish — it shifted. Here’s how to build Nanite-ready assets that actually scale 👇 medium.com/@GroundZer0/e3… #GameDev #UnrealEngine #Nanite #TechArt #GameOptimization

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GroundZero @GroundZerror

10 months ago

Nanite loves triangles. It hates your materials. Here’s why performance tanks (and how to fix it): medium.com/@GroundZer0/a5… #GameDev #UnrealEngine #Nanite #TechArt #GameOptimization

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GroundZero @GroundZerror

11 months ago

Nanite isn’t magic , but it’s one of the smartest geometry systems in game dev. 🎮 My first deep dive covers what it is, how it works, & why it matters. What's Next ? A Full Nanite Optimization Guide. 🔗 medium.com/p/e6a9281e7f52 #GameDev #UnrealEngine #Nanite #TechArt