@jcowles.bsky.social
Rolled my desk over to Valve. Past: Unity ML Artistry, Xoogler, TiltBrush. Pixar GPU team: Hydra, OpenSubdiv, and OpenUSD. Closet demoscener. 日本語はまだまだ。
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Everything about making video games is harder than you think.
November 6, 2025 at 11:07 AM
Everything about making video games is harder than you think.
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the kimmel thing is bad but as long as they arent rounding people up indiscriminately based on race, building concentration camps and talking about eradicating those they deem sexual deviants, i think we’ll be ok
September 18, 2025 at 3:09 AM
the kimmel thing is bad but as long as they arent rounding people up indiscriminately based on race, building concentration camps and talking about eradicating those they deem sexual deviants, i think we’ll be ok
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How my attitude to "unfinished" code changed blog.s-schoener.com/2025-09-08-t...
TODO TITLE | Sebastian Schöner
In the past, I used to work in a codebase that had a lot of // @TODO: comments in it. Those TODOs would rank from obvious, small improvements to calls for features that would require an entire rewrite...
blog.s-schoener.com
September 10, 2025 at 9:21 AM
How my attitude to "unfinished" code changed blog.s-schoener.com/2025-09-08-t...
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I've got a new blog post for all of you fine folks! It runs through the additions to D3D12 since it was released, and finishes up with some of the things that have changed for me personally in my code.
(And yes it's really been 10 years 👴).
therealmjp.github.io/posts/ten-ye...
(And yes it's really been 10 years 👴).
therealmjp.github.io/posts/ten-ye...
Ten Years of D3D12
For those of us that have been using it from the start, it can be hard to believe that Direct3D 12 has been around for nearly ten years now. Windows 10 was released on July 29th 2015, and D3D12 has be...
therealmjp.github.io
September 8, 2025 at 12:49 AM
I've got a new blog post for all of you fine folks! It runs through the additions to D3D12 since it was released, and finishes up with some of the things that have changed for me personally in my code.
(And yes it's really been 10 years 👴).
therealmjp.github.io/posts/ten-ye...
(And yes it's really been 10 years 👴).
therealmjp.github.io/posts/ten-ye...
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Unreasonable within reason blog.s-schoener.com/2025-08-29-r...
Unreasonable within reason | Sebastian Schöner
Over the years I have come to appreciate “unreasonable” coworkers. What a weird sentence to write, right? When it comes to programming, you are usually fairly well advised to be “reasonable.” For exam...
blog.s-schoener.com
August 29, 2025 at 9:06 AM
Unreasonable within reason blog.s-schoener.com/2025-08-29-r...
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SIGGRAPH 2025 links: blog.selfshadow.com/2025/08/15/s.... I'll be adding more soon. Let me know if I'm missing anything.
SIGGRAPH 2025 Links
blog.selfshadow.com
August 16, 2025 at 4:17 PM
SIGGRAPH 2025 links: blog.selfshadow.com/2025/08/15/s.... I'll be adding more soon. Let me know if I'm missing anything.
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August 16, 2025 at 9:24 PM
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An Introduction to Neural Shading, Siggraph 2025 course presentation slides dl.acm.org/doi/suppl/10... and materials github.com/shader-slang...
dl.acm.org
August 15, 2025 at 5:36 PM
An Introduction to Neural Shading, Siggraph 2025 course presentation slides dl.acm.org/doi/suppl/10... and materials github.com/shader-slang...
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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...
blog.selfshadow.com/publications...
SIGGRAPH 2025 Course: Physically Based Shading in Theory and Practice
blog.selfshadow.com
August 10, 2025 at 2:47 PM
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...
blog.selfshadow.com/publications...
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As the date for the 20th anniversary of Advances is coming, I realized some content was missing.
Posted 2007 and 2008 courses online - check them out!
advances.realtimerendering.com
Posted 2007 and 2008 courses online - check them out!
advances.realtimerendering.com
August 9, 2025 at 9:15 AM
As the date for the 20th anniversary of Advances is coming, I realized some content was missing.
Posted 2007 and 2008 courses online - check them out!
advances.realtimerendering.com
Posted 2007 and 2008 courses online - check them out!
advances.realtimerendering.com
Hell Clock is real good - the design is “Hades, but faster with guns” which is perfect for me
store.steampowered.com/app/1782460/...
store.steampowered.com/app/1782460/...
Hell Clock - Official Gameplay Release Date Trailer
YouTube video by IGN
youtu.be
August 7, 2025 at 2:16 PM
Hell Clock is real good - the design is “Hades, but faster with guns” which is perfect for me
store.steampowered.com/app/1782460/...
store.steampowered.com/app/1782460/...
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It's time to share the program for the 2025 Advances in Real-time Rendering in Games.
Check out all the details here: advances.realtimerendering.com/s2025/index....
and, of course, come attend the course live on Tuesday August 12 at SIGGRAPH in Vancouver!
Check out all the details here: advances.realtimerendering.com/s2025/index....
and, of course, come attend the course live on Tuesday August 12 at SIGGRAPH in Vancouver!
August 6, 2025 at 5:53 AM
It's time to share the program for the 2025 Advances in Real-time Rendering in Games.
Check out all the details here: advances.realtimerendering.com/s2025/index....
and, of course, come attend the course live on Tuesday August 12 at SIGGRAPH in Vancouver!
Check out all the details here: advances.realtimerendering.com/s2025/index....
and, of course, come attend the course live on Tuesday August 12 at SIGGRAPH in Vancouver!
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New at #SIGGRAPH2025:
Can we make Perlin Noise stretch along some underlying vector field? Well it turns out it's possible with two simple additions to the original method! No need for advection or convolutions.
Find the paper and implementations here:
github.com/jakericedesi...
Can we make Perlin Noise stretch along some underlying vector field? Well it turns out it's possible with two simple additions to the original method! No need for advection or convolutions.
Find the paper and implementations here:
github.com/jakericedesi...
July 29, 2025 at 12:16 AM
New at #SIGGRAPH2025:
Can we make Perlin Noise stretch along some underlying vector field? Well it turns out it's possible with two simple additions to the original method! No need for advection or convolutions.
Find the paper and implementations here:
github.com/jakericedesi...
Can we make Perlin Noise stretch along some underlying vector field? Well it turns out it's possible with two simple additions to the original method! No need for advection or convolutions.
Find the paper and implementations here:
github.com/jakericedesi...
“The call to sin here is just a proxy for your real sins”
How to speed up random memory accesses
blog.s-schoener.com/2025-07-28-r...
blog.s-schoener.com/2025-07-28-r...
How to speed up random memory accesses | Sebastian Schöner
At some point when optimizing software, you are left with a soup of pointers that you just have to dereference, even though you know that you are going to suffer a cache miss for every single read. Co...
blog.s-schoener.com
July 30, 2025 at 3:00 PM
“The call to sin here is just a proxy for your real sins”
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Unbound's joyful, intuitive sculpting experience is now even more powerful with physics. Use collisions, triggers, constraints, physics logic blocks & APIs help you set up complex rigs and behaviors for your game.
Try for free: unbound.io
#gameDev #physics #madeWithUnbound
Try for free: unbound.io
#gameDev #physics #madeWithUnbound
July 23, 2025 at 3:01 PM
Unbound's joyful, intuitive sculpting experience is now even more powerful with physics. Use collisions, triggers, constraints, physics logic blocks & APIs help you set up complex rigs and behaviors for your game.
Try for free: unbound.io
#gameDev #physics #madeWithUnbound
Try for free: unbound.io
#gameDev #physics #madeWithUnbound
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Looking for a 3D modeler that wants to work me on new CC0/public domain characters, especially hair styles. Low-poly, you can use whatever software you like, paid job! DM, or react with your portfolio 🙇♂️
July 24, 2025 at 1:53 PM
Looking for a 3D modeler that wants to work me on new CC0/public domain characters, especially hair styles. Low-poly, you can use whatever software you like, paid job! DM, or react with your portfolio 🙇♂️
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From @leepetty.bsky.social and Double Fine Productions, our new game is Keeper - a beautiful and surreal third-person, atmospheric puzzle adventure, and a story told without words.
On October 17 2025 — The Keeper Shall Awaken! Wishlist today, and find out more on www.doublefine.com
On October 17 2025 — The Keeper Shall Awaken! Wishlist today, and find out more on www.doublefine.com
June 8, 2025 at 6:14 PM
From @leepetty.bsky.social and Double Fine Productions, our new game is Keeper - a beautiful and surreal third-person, atmospheric puzzle adventure, and a story told without words.
On October 17 2025 — The Keeper Shall Awaken! Wishlist today, and find out more on www.doublefine.com
On October 17 2025 — The Keeper Shall Awaken! Wishlist today, and find out more on www.doublefine.com
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Only a few days till REAC is here - register, log in, and soak in all the rendering architecture goodness!
Program: enginearchitecture.org/2025.htm
Register: tinyurl.com/register4rea...
See you there!!
Program: enginearchitecture.org/2025.htm
Register: tinyurl.com/register4rea...
See you there!!
June 8, 2025 at 12:37 AM
Only a few days till REAC is here - register, log in, and soak in all the rendering architecture goodness!
Program: enginearchitecture.org/2025.htm
Register: tinyurl.com/register4rea...
See you there!!
Program: enginearchitecture.org/2025.htm
Register: tinyurl.com/register4rea...
See you there!!
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Okay, folks, this is still super WIP but I wanted to share this sneak peek of a new stair tool we’ve been working on :33 There might also be some cobblestone coming 👀
May 18, 2025 at 4:09 PM
Okay, folks, this is still super WIP but I wanted to share this sneak peek of a new stair tool we’ve been working on :33 There might also be some cobblestone coming 👀
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April 25, 2025 at 5:26 PM
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My painting TIDAL WETLANDS
April 24, 2025 at 1:36 PM
My painting TIDAL WETLANDS
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April 24, 2025 at 3:53 PM
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"Whirl" in 213 chars of #GLSL:
vec3 p,v;for(float i,z,d;i++<1e2;o+=(cos(p.z+vec4(0,1,2,3))+1.)/d)p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t,p.xy*=mat2(cos(p.z*.1+vec4(0,11,33,0))),z+=d=length(v=max(v=cos(p+sin(p.yzx/.3)),v.zxy*.1))/6.;o=tanh(o/5e3);
vec3 p,v;for(float i,z,d;i++<1e2;o+=(cos(p.z+vec4(0,1,2,3))+1.)/d)p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t,p.xy*=mat2(cos(p.z*.1+vec4(0,11,33,0))),z+=d=length(v=max(v=cos(p+sin(p.yzx/.3)),v.zxy*.1))/6.;o=tanh(o/5e3);
April 21, 2025 at 1:11 PM
"Whirl" in 213 chars of #GLSL:
vec3 p,v;for(float i,z,d;i++<1e2;o+=(cos(p.z+vec4(0,1,2,3))+1.)/d)p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t,p.xy*=mat2(cos(p.z*.1+vec4(0,11,33,0))),z+=d=length(v=max(v=cos(p+sin(p.yzx/.3)),v.zxy*.1))/6.;o=tanh(o/5e3);
vec3 p,v;for(float i,z,d;i++<1e2;o+=(cos(p.z+vec4(0,1,2,3))+1.)/d)p=z*normalize(FC.rgb*2.-r.xyy),p.z-=t,p.xy*=mat2(cos(p.z*.1+vec4(0,11,33,0))),z+=d=length(v=max(v=cos(p+sin(p.yzx/.3)),v.zxy*.1))/6.;o=tanh(o/5e3);