WebGPU Fundamentals

• fciv-net

  76 58 9.8 C

  Discontinued Freeciv 3D - Fciv.net the 3D version of the Freeciv strategy game

  

I have been trying to add WebGPU support to https://www.fciv.net - however the Three.js 3D engine I'm using isn't ready for WebGPU yet, and no current browsers support WebGPU yet.

• contrast_renderer

  4 63 6.1 Rust

  Contrast is a WebGPU based 2D render engine written in Rust

This is true, but there is a lot more to the story. For one, WebGPU does not (yet) support mesh shaders, though it may later as an extension. For two, consider a glyph such as "o" that has two contours. Real triangulation generates a mesh that only generates triangles between the outer and inner contours, and mesh shaders aren't good at that. There are techniques (cover and stencil) that draw twice, incrementing and decrementing a winding number stored in the stencil buffer (see contrast renderer[1] for a clean modern implementation), but it does require nontrivial tracking on the CPU side, and can result in lots of draw calls to switch between the cover and stencil stages unless sophisticated batching is done.

Compute shaders avoid all these problems and work on WebGPU 1.0 today.

[1]: https://github.com/Lichtso/contrast_renderer

• SurveyJS

  surveyjs.io sponsored

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• caniuse

  388 5,499 9.5 JavaScript

  Raw browser/feature support data from caniuse.com

Highly unavailable still, but it seems to be non-experimental in chrome 113-115, as of writing this

https://caniuse.com/?search=webgpu

• WebGL_Compute_shader

  3 289 10.0 TypeScript

  WebGL 2.0 Compute shader Demos

Yes,

https://registry.khronos.org/webgl/specs/latest/2.0-compute/

https://github.com/9ballsyndrome/WebGL_Compute_shader

And then Google decides not implementating it after all, because of WebGPU.

https://github.com/9ballsyndrome/WebGL_Compute_shader/issues...

• tfjs

  29 18,124 8.6 TypeScript

  A WebGL accelerated JavaScript library for training and deploying ML models.

  

It's a pity that tfjs never truly developed any decent ops. E.g. you need lgamma to implement the cap for zero-inflated poisson regression and tfjs simply doesn't have that: https://github.com/tensorflow/tfjs/issues/2011

• wgpu

  195 10,910 9.9 Rust

  Cross-platform, safe, pure-rust graphics api.

  

Gecko engine looks pretty healthy to me overall. And WebGPU in particular is the least of a concern, given that Firefox's implementation is based on wgpu [1], which has great community and a lot of users within and outside of Rust ecosystem. I'm confident Firefox can ship it soon (tm).

[1] https://github.com/gfx-rs/wgpu

• qemujs

  3 244 10.0 C

  Qemu.js source code with proof-of-concept machine-code-to-WASM JIT.

Why not? People are already running VM's and other OS's in the browser.

https://github.com/atrosinenko/qemujs

https://jamesfriend.com.au/pce-js/ibmpc-games/

https://leaningtech.com/webvm-server-less-x86-virtual-machin...

and so on...

• InfluxDB

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