Cool WebGL stuff, 2020-09-24

[Ken Russell]

Dear WebGL community,

Cool stuff from around the web, as discovered by Khronos' WebGL working group.

Enjoy, and please share your own creations and findings!

• Flashback by @UkskSan (GPU intensive)
• Shadertoy illustrating PBR by @knarkowicz
• Textured rectangular area light by @pixelsnafu
• Denoise filter with WebGL demo by @BrutPitt
• 404kph by @jaburnsnet
• Fast hexgrid ray-traversal by @iquilezles
• Lantern Girl by Dorado
• WebGL 2.0 enabled on top-of-tree WebKit! by @grorgwork
• Updates and fixes to THREE.Meshline by @jeremboo, @_RyKi_, more c/o @thespite
• Procedural Physically based BRDF for Real-Time Rendering of Glints by @xavierchermain et al
• Steinway & Sons Grand Piano Action Model by @angel_e_cormier
• Furry Nebula by @aqro
• Maquette sculpture done in VR with Adobe Medium by @bayraitt
• Hutger Rauer (4k Intro port) by spolsh
• Fancy Drawing in WebGL with Babylon.js
• Pirron Island Forest Demo by @PlayingInCanvas
• Revelio! Harry Potter WebAR experience with @the8thwall by @Hoopla_Digital
• Earth Now Pioneer by NASA
• How to get best Lighthouse scores with <model-viewer>
• SARS-CoV-2 (COVID-19) model by @FusionMedicalCG
• Power hammer Nazel 4B by Osho
• Head Anatomy & Musculature by @FusionMedicalCG
• Vacation Mode Github Action by @lucasrangit (so @mrdoob can take a vacation!)
• “indications” by @sukupaperu
• Constructive Solid Geometry demo by @PavelBoytchev

-Ken

P.S. Also archived at https://gfxprose.blogspot.com/2020/09/cool-webgl-stuff-2020-09-24.html .

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[timvansch...@gmail.com]

Thanks Ken these are great!

I've released v2.0.0 of my open-source library Detect-GPU today which classifies GPU's based on their 3D rendering benchmark score allowing the developer to provide sensible default settings for graphically intensive applications. Think of it like a user-agent detection for the GPU but more powerful.

Keen to hear what you all think: https://github.com/TimvanScherpenzeel/detect-gpu

Kind regards,

Tim

[Ken Russell]

Hi Tim,

Nice work on your performance detection library! Trying to bucket GPUs according to performance characteristics is a difficult problem. The WebGL working group tried to standardize similar APIs years ago but had to abandon the effort. Browsers run on too large a variety of hardware to have an a priori notion of the performance of every GPU type. The group investigated doing run-time benchmarks similar to those Windows Vista did when determining whether to use Aero mode. Unfortunately the performance variation of any GPU benchmark built into the browser would be too large depending on what else the user was doing. Note that Microsoft ultimately abandoned their own graphics performance benchmarks in later versions of Windows - even those ran before the system enabled other applications to run, and should have had reasonably stable performance.

It'll be interesting to see whether your approach of indexing well-known benchmark results by GPU type offers sufficient coverage. Please keep the community posted!

-Ken

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