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Stephen Hill

@selfshadow.com

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06.07.2023
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Latest posts by Stephen Hill @selfshadow.com

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Nanite Tessellation Nanite Tessellation, aka Nanite Dynamic Tessellation, aka Nanite Dynamic Displacement was the next major feature I worked on after Nanite it...

I'm finally writing up how Nanite Tessellation works. The first few blogs posts are up. More will be coming.
graphicrants.blogspot.com/2026/02/nani...

02.02.2026 02:40 👍 160 🔁 51 💬 1 📌 1
Evaluating and Sampling Glinty NDFs in Constant Time Geometric features between the micro and macro scales produce an expressive family of visual effects grouped under the term 'glints'. Efficiently rendering these effects amounts to finding the highlig...

Oooh, new glints paper at SIGGRAPH Asia 2025: perso.telecom-paristech.fr/boubek/paper...

28.10.2025 17:38 👍 20 🔁 5 💬 0 📌 0
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Welcome to the Rebel Hideout: ILM’s Employee-made ‘Star Wars’ Gathering Place Learn the inspiring story of a group of dedicated ILM and Lucasfilm employees who turned their dreams into a reality....

Some more on the making of our ILM Rebel Hideout. www.ilm.com/rebel-hideou...

26.08.2025 17:55 👍 140 🔁 16 💬 8 📌 0

I'm only seeing "Real-Time Live!" (which I'll add a link to):
www.youtube.com/watch?v=ucRu...

16.08.2025 21:51 👍 2 🔁 0 💬 0 📌 0
SIGGRAPH 2025 Links

SIGGRAPH 2025 links: blog.selfshadow.com/2025/08/15/s.... I'll be adding more soon. Let me know if I'm missing anything.

16.08.2025 16:16 👍 38 🔁 19 💬 1 📌 0
SIGGRAPH 2025 Course: Physically Based Shading in Theory and Practice

The EON talk slides are now online: blog.selfshadow.com/publications...

13.08.2025 02:43 👍 8 🔁 1 💬 0 📌 0
SIGGRAPH 2025 Course: Physically Based Shading in Theory and Practice

Most of the slides and course notes for the SIGGRAPH 2025 Physically Based Shading in Theory and practice course are now online, with more to follow:
blog.selfshadow.com/publications...

10.08.2025 14:46 👍 111 🔁 55 💬 1 📌 0
I3D 2025 Papers Session 5 - Rendering
I3D 2025 Papers Session 5 - Rendering YouTube video by I3D Symposium

The papers session on Rendering is now available! youtu.be/Jj80CZ_1sMY
#I3D2025

03.07.2025 20:52 👍 11 🔁 7 💬 0 📌 0

You madman!

10.06.2025 20:46 👍 1 🔁 0 💬 0 📌 0
SIGGRAPH 2025 Course: Physically Based Shading in Theory and Practice

The SIGGRAPH Physically Based Shading course is back this year: blog.selfshadow.com/publications...

10.06.2025 15:19 👍 81 🔁 30 💬 1 📌 0
Lambert model (left), the classic “qualitative” Oren–Nayar QON model (center), and our new EON model (right), all at maximal roughness and the same single-scattering albedo color. The top and bottom rows show front and side-lit cases respectively. The EON model compensates for the energy loss of the QON model, producing similar brightness to the Lambert model combined with the characteristic “flattening” and enhanced backscattering of the Oren–Nayar model.

Lambert model (left), the classic “qualitative” Oren–Nayar QON model (center), and our new EON model (right), all at maximal roughness and the same single-scattering albedo color. The top and bottom rows show front and side-lit cases respectively. The EON model compensates for the energy loss of the QON model, producing similar brightness to the Lambert model combined with the characteristic “flattening” and enhanced backscattering of the Oren–Nayar model.

EON: A practical energy-preserving rough diffuse BRDF; by Portsmouth, Kutz, and Hill. www.jcgt.org/published/00...

31.03.2025 20:37 👍 63 🔁 22 💬 0 📌 0