iiinova — where your digital self keeps evolving

Xander Berten @hellcatpnext.bsky.social · 25/09/2026

I've been working on a new portfolio site, and somehow i decided to build a ray-marcher inside of it. Shaders are written with slang. Those are being cross-compiled to WGSL (WebGPU) and GLSL (WebGL fallback). here are some debug views that can be viewed from the site

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Xander Berten @hellcatpnext.bsky.social · 15/09/2026

Today i added a new example to my rendering framework, This one implements a third party rendering library (Noesis GUI).

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Xander Berten @hellcatpnext.bsky.social · 27/04/2026

I think the game jam got out of hand....

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Xander Berten @hellcatpnext.bsky.social · 07/04/2026

Slang autodifferentiation is pretty cool. Neural BxDF training on the fly :))

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Xander Berten @hellcatpnext.bsky.social · 30/03/2026

I've been working on comparing 3 Direct Shadow Techniques. 1) CPU Cascade's 2) Compute Cascade's: Calculating the cascades based on the current depth. 3) Using RayTracing

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Xander Berten @hellcatpnext.bsky.social · 22/02/2026

Today i added Temporal Accumulation in my GTAO Implementation. I used Interleaved Gradient Noise as a low discrepancy noise. I could practically halve the render time, while still having better results. Here is a comparison with and without: it's with 2 hemisphere slices and 4 samples each.

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Xander Berten @hellcatpnext.bsky.social · 23/01/2026

I recently read this paper. Interesting idea to use infrared to decompose the lighting terms. ieeexplore.ieee.org/stamp/stamp....

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Xander Berten @hellcatpnext.bsky.social · 10/01/2026

Anddd We have NEE and MIS implemented

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Xander Berten @hellcatpnext.bsky.social · 26/11/2025

I saw some really interesting talks today! Ive learned a ton about how virtual lights can improve indoor rendering and what the pitfalls are.

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Xander Berten @hellcatpnext.bsky.social · 25/11/2025

Implemented whitted-style ray tracing with wavelength-dependent IOR today

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Xander Berten @hellcatpnext.bsky.social · 28/12/2024

First time implementing something from a Research Paper. At first it looked really scary but after rereading the paper a few times i got it. Here is my implementation of GTAO (Ground Truth Ambient Occlusion) I had a blast doing this and even got more interested in everything around radiology.

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Xander Berten @hellcatpnext.bsky.social · 15/12/2024

Another day another SSAO, But this time in the Forge Framework. Its been pretty fun to learn the Forge framework and what the differences are to my own "framework".

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Xander Berten @hellcatpnext.bsky.social · 30/11/2024

Work in progress on our group project game. Its going pretty good!

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Xander Berten @hellcatpnext.bsky.social · 20/11/2024

Here are some better screenshots of my Compute SSAO. I am so happy i got it to work!!! Its based on a technique described by Wojciech Sterna in GPU Zen 1 On that note i am still looking for a Internship in Graphics Programming. Does anybody have some recommendations where i could apply to?

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Xander Berten @hellcatpnext.bsky.social · 18/11/2024

Alright, Fast SSAO with Compute shaders Up and running! I am sooo happy!! The big problem was a wrongish viewPosition conversion from my downsampled DepthBuffer, The Z range wasn't really correct.

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Xander Berten @hellcatpnext.bsky.social · 15/11/2024

Hmmmm My Compute SSAO is getting somewhere, I still have a error in my calculations causing some weird artifacts and errors but i am sure ill get them out.

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Xander Berten @hellcatpnext.bsky.social · 29/10/2024

Yeaayyy new pixel coloring book!!! I am doing research on SSAO for my Bachler thesis, Going to start with the chapter on SSDO in this book.

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Xander Berten @hellcatpnext.bsky.social · 25/10/2024

I made some better abstractions for color/depth attachments. I now store my Normals in my g-buffer properly. Another step closer to Compute SSAO

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Xander Berten @hellcatpnext.bsky.social · 20/10/2024

Compute Blur go BRRRRR I am working on a Compute SSAO in my custom shader editor. the foundation is setup for the algo to be written!

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