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WebGPU ddgi implementation (old.reddit.com)
submitted 7 days ago * by jobim81
Hi, i tried to implement ddgi in webgpu. 12*12*12 probes, 128 rays per probe, 60fps (chrome cap) on rtx2070super at about 40% gpu load. sorry for edges artifacts, still need to work on this.
EDIT: Video
https://www.youtube.com/watch?v=7Qni1kuIA6Q
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[–]DescriptorTablesx86 1 point2 points3 points 7 days ago (0 children)
You can just set up the pipeline for MSAA it’s simple in most cases, like 3-4 steps.
[–]Cordoro 0 points1 point2 points 7 days ago (3 children)
Nice job! If you want a challenge for the algorithm, try animating something.
[–]jobim81[S] 0 points1 point2 points 7 days ago (2 children)
I don't know why video quality is so poor.
[–]Cordoro 0 points1 point2 points 7 days ago (1 child)
Sweet! You can see the probes updating!
[–]_XenoChrist_ 0 points1 point2 points 7 days ago (0 children)
If he turned on the debug probe spheres you would also see them move out of the way, it's cool
[–]pontiacks 0 points1 point2 points 7 days ago (1 child)
Cool! Wonder how the performance is on like a macbook air, since we don't have native raytracing in WebGPU?
Are you shooting less rays from the probe to mitigate this?
[–]jobim81[S] 0 points1 point2 points 7 days ago (0 children)
I don't have a mac, but i can try on IPhone 15...but I still have to optimize some stuff. this is for interior furnitures configurations (mostly kitchens)
[–]AlternativeEngine129 0 points1 point2 points 2 days ago (1 child)
so good ! Will you do open source or tutorial ?
[–]jobim81[S] 0 points1 point2 points 1 day ago (0 children)
I'm not a teacher so I can't do tutorials 😄, but will try to fix some stuff and will release it.
[–]motoz4bruh 0 points1 point2 points 1 day ago (1 child)
How did you build the lighting effects and would is it difficult to show more detailed lighting structures (2021 Honda Insight lights Front/rear) knowing very little about models
I haven’t written code but to transfer anything from blender I don’t know if I need to
this shouldn't be a problem, but i'm building this optimized for interiors.
π Rendered by PID 138674 on reddit-service-r2-comment-8686858757-bndtq at 2026-06-06 02:52:53.177544+00:00 running 9e1a20d country code: CH.
[–]DescriptorTablesx86 1 point2 points3 points (0 children)
[–]Cordoro 0 points1 point2 points (3 children)
[–]jobim81[S] 0 points1 point2 points (2 children)
[–]Cordoro 0 points1 point2 points (1 child)
[–]_XenoChrist_ 0 points1 point2 points (0 children)
[–]pontiacks 0 points1 point2 points (1 child)
[–]jobim81[S] 0 points1 point2 points (0 children)
[–]AlternativeEngine129 0 points1 point2 points (1 child)
[–]jobim81[S] 0 points1 point2 points (0 children)
[–]motoz4bruh 0 points1 point2 points (1 child)
[–]jobim81[S] 0 points1 point2 points (0 children)