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Oh look it's subgroup support landing last week: https://github.com/gfx-rs/wgpu/pull/5301 https://github.com/gfx-rs/wgpu/pull/5301

jsheard 2y ago
That's a wgpu-specific extension, not part of the actual WebGPU spec, so you can't use it on the web. https://github.com/gpuweb/gpuweb/blob/main/proposals/subgroups.md https://github.com/gpuweb/gpuweb/blob/main/proposals/subgrou... There is a proposal for supporting subgroups in WebGPU proper but it's still in the draft stage.
- FL33TW00D 2y ago
  I'm aware. It is an implementation of the linked proposal. The `wgpu` implementation linked will make its way into Firefox eventually. Dawn will follow up with a similar one for Chrome. I was linking it to demonstrate there are no technical hurdles and it's only really approval remaining.
  - sp332 2y ago
    Ok, but that's not what "landing" means.
pjmlp 2y ago
Native extensions unusable on Web browsers don't count.
- littlestymaar 2y ago
  Then nothing involving WebGPU counts since it's not implemented on other browsers than Chromium and not on Linux even in Chromium… WebGPU is brand new, and the paint is still wet. It doesn't make sense to dismiss things that haven't landed in browsers yet as “unusable on the web”.
  - mr_toad 2y ago
    There’s an advanced setting in Safari to enable it, but I can’t say how well it works. In this instance it doesn’t.
    - senorrib 2y ago
      It doesn't work at all. Doesn't even exist in Safari anymore because they ditched the old implementation and are rewriting everything.
      - FL33TW00D 2y ago
        Multiple engineers are working on adding it back: https://github.com/WebKit/WebKit/pulls?q=is%3Apr+is%3Aclosed+webgpu https://github.com/WebKit/WebKit/pulls?q=is%3Apr+is%3Aclosed...
  - pjmlp 2y ago
    Welcome to Web standards, and Google's ChromeOS transformation of the Web, with help of many Web developers out there. Doesn't change the fact that is a Web standard, for Web browsers.
    - littlestymaar 2y ago
      It is a WIP web standard. And the spec is still evolving most things are stable at that points, but new features are still being added, like this one!). And that's how the web works, it was the same for WebRTC which spent 2-3 years in such a state, same for MSE, etc.

jsheard 2y ago

That's a wgpu-specific extension, not part of the actual WebGPU spec, so you can't use it on the web. https://github.com/gpuweb/gpuweb/blob/main/proposals/subgroups.md https://github.com/gpuweb/gpuweb/blob/main/proposals/subgrou... There is a proposal for supporting subgroups in WebGPU proper but it's still in the draft stage.

FL33TW00D 2y ago
I'm aware. It is an implementation of the linked proposal. The `wgpu` implementation linked will make its way into Firefox eventually. Dawn will follow up with a similar one for Chrome. I was linking it to demonstrate there are no technical hurdles and it's only really approval remaining.
- sp332 2y ago
  Ok, but that's not what "landing" means.

pjmlp 2y ago

Native extensions unusable on Web browsers don't count.

littlestymaar 2y ago
Then nothing involving WebGPU counts since it's not implemented on other browsers than Chromium and not on Linux even in Chromium… WebGPU is brand new, and the paint is still wet. It doesn't make sense to dismiss things that haven't landed in browsers yet as “unusable on the web”.
- mr_toad 2y ago
  There’s an advanced setting in Safari to enable it, but I can’t say how well it works. In this instance it doesn’t.
  - senorrib 2y ago
    It doesn't work at all. Doesn't even exist in Safari anymore because they ditched the old implementation and are rewriting everything.
    - FL33TW00D 2y ago
      Multiple engineers are working on adding it back: https://github.com/WebKit/WebKit/pulls?q=is%3Apr+is%3Aclosed+webgpu https://github.com/WebKit/WebKit/pulls?q=is%3Apr+is%3Aclosed...
- pjmlp 2y ago
  Welcome to Web standards, and Google's ChromeOS transformation of the Web, with help of many Web developers out there. Doesn't change the fact that is a Web standard, for Web browsers.
  - littlestymaar 2y ago
    It is a WIP web standard. And the spec is still evolving most things are stable at that points, but new features are still being added, like this one!). And that's how the web works, it was the same for WebRTC which spent 2-3 years in such a state, same for MSE, etc.