Sébastien Hillaire

Since my old >10y website got shutdown last year, I was thinking about creating a new better one. I have found the time to do that this week on @github pages. Quite empty but here it is: sebh.github.io :)

@DavidFoster @kiwaiii Looks like we are trying to render "quads from tris" for categorized tiled lighting: somehow it is wrongly detected as supported by your hardware but in fact it is looks like it isn't. Try updating your driver see if it fixes it? Otherwise you can get in touch via DM.

@SebHillaire @kiwaiii Ooh, just to be clear: this doesn't occur in an empty project when Substrate is disabled, but as soon as you enable it, it does!

Hey @SebHillaire, this is a long shot, but do you have any idea what’s causing these screen space tiled grey triangle artefacts in lit areas? Brand new empty project with Substrate enabled, UE 5.5.4, running on PS5 Pro. CC @kiwaiii. Thanks guys!

@danielelliott3d @GhislainGir @ianfi03 As Daniel says we did not push for it since it was not worth the trouble (need non scaled world space SDF, performance gain only in some case when clouds are distant) + other things needed more attention at the time.

@danielelliott3d @GhislainGir @ianfi03 Hi, Yes not an official feature (undocumented). You need to say "matter inside the sphere or not" to skip tracing empty space. If not done correctly, artifact will be visible.

#UE5 Anyone's familiar with UE's volumetric cloud empty space skipping feature? I can't seem to understand how it's meant to be used. Here's a super duper simple example with a world projected 2D cloud texture & and a matching 2D matter/nomatter binary mask.

I'm excited to share our #SIGGRAPH2024 paper on unifying stochastic representations for light transport: cs.dartmouth.edu/~wjarosz/publi… We show how to use stochastic implicit surfaces to describe microfacet surfaces and participating media (and a bunch of new things in between).

I don't need to tell you because you're all subscribed to the youtube channel for sure... but just in case - REAC 2024 videos are up! @renderingenginearchitectur3543/playlists" target="_blank" rel="nofollow noopener">youtube.com/@renderingengi…

@ShiniesShadows @beamMyUp @Yoriculaire @kiwaiii Excellent! C’est fun et avec des discutions intéressantes! Bravo à vous et merci de partager la connaissance comme ça! PS: je trouve ça dommage que les vidéos soient limitées à 14 jours pour tout ceux qui voudraient apprendre plus tard. Vous devriez upload quelques part.

@beamMyUp @Yoriculaire Un gros merci à @SebHillaire et @kiwaiii pour avoir partagé le fruit de leur travail <3

Dans 30min, retrouvez @beamMyUp et @yoriculaire en live pour la dernière sur Substrate! A tantôt!

@danielelliott3d @SebAaltonen @WillFaucherVFX @mattOztalay Hi, What Daniel said. The goal is to move exclusively to Substrate (when production ready). Right now it is experimental so you can test it and report about your experience in the dedicated thread on the forum (forums.unrealengine.com/t/substrate-fe…). Doc docs.unrealengine.com/5.3/en-US/over…

@SebAaltonen @WillFaucherVFX @mattOztalay oh sorry @SebAaltonen I tagged the wrong person, I meant @SebHillaire.

@danielelliott3d @WillFaucherVFX @mattOztalay I haven't shipped games using UE5. Only in UE4. Don't have any production experience of this new feature.

I finished adding two new docs last week for our experimental features Sparse Volume Textures and Heterogeneous Volume Actor. Go check them out if it's your sort of thing! #UE5 #UnrealEngine docs.unrealengine.com/5.3/en-US/spar… docs.unrealengine.com/5.3/en-US/hete…

How many bricks do you need to build an adventure? All of them.

update on my Slime game💚 You sent your trusty minion into the nearby human city to gather intel. But it's summer.. keeping that slime hydrated is a serious commitment #gamedev #techart #vfx #realtimevfx #UE5

Unreal Engine 5.3 is now available, with enhancements to core rendering, developer iteration and virtual production toolsets! Also included, experimental new rendering, Skeletal Editor, Chaos Cloth and SMPTE ST 2110 support 🔧 Read about it, here!: epic.gm/unreal-engine-…

"In UE5.3 Substrate (experimental feature) slab BSDF An input called Glint has been added, which is useful for expressing glitter such as car flakes and snow!"

#rtradvances from #SIGGRAPH2023 - presentation on Authoring Materials That Matters - Substrate in @UnrealEngine 5 from @SebHillaire and @kiwaiii is now online - enjoy! #Strata" target="_blank" rel="nofollow noopener">advances.realtimerendering.com/s2023/index.ht…

For 5.3 we've added documentation to get you started using and understanding Unreal Engine 5's Substrate Material Framework. docs.unrealengine.com/5.3/en-US/over…

The Shader of the Week is 'STELLAR CLOUDS' by alro : shadertoy.com/view/DtdSz7

@vonschneidz Nice! I’ve seen it once but never caught it.

@knarkowicz @siggraph @ID_AA_Carmack @romero @TimSweeneyEpic Thanks @knarkowicz ! Read those before and I agree: great reads!

@SebHillaire @siggraph @ID_AA_Carmack @romero @TimSweeneyEpic You may then enjoy Crash Bandicoot dev stories. It's full of cool bits and is really well written: all-things-andy-gavin.com/video-games/ma…

I love the History of 3D & @siggraph had lots of historical bits to show this year (50year anniversary). The evolutions of 3D & games during the 90’s is close to my heart: @ID_AA_Carmack, @romero, @TimSweeneyEpic, Ken Silverman, etc. Excited to read more of that with Doom Guy:

The Unreal Engine Substrate presentation deck from SIGGRAPH will be published on the course page (advances.realtimerendering.com/s2023/index.ht…), but after we take the time to write the slides notes for it. Please be patient, it will be out “When it’s done”

I waited for 2 years for this day! #SIGGRAPH2023 #RealTimeLive! will start at 6 pm PDT. The live stream on twitch.tv/acmSIGGRAPH will begin in less than 5 hours. Watch it LIVE and vote for the WINNER! The stage is set, the presenters are ready, and the countdown has started!