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subgroup_id

Adds WGSL language support for querying the current subgroup identifier. This helps shaders reason about which small cooperating subgroup a given invocation belongs to.

Check your device: WebGPU Capabilities Report.

More details: Developer Docs (MDN) Specification (W3C)

Overall Support

Percentage supporting this feature among reports tested for it.

79.32%
of browsers tested for this feature

Platform Support

PlatformSupport
Android87.99%
Chromium OS95.49%
iOS1.99%
Linux88.96%
Mac OS68.6%
Windows89.31%

Browser Support

BrowserSupport
Chrome/Chromium94.02%
Edge97.34%
Firefox0.33%
Opera97.89%
Other35.03%
Safari6.59%
Samsung Internet0.13%

Vendor Support

VendorSupport
amd97.68%
apple54.71%
arm93.7%
google92%
img-tec100%
intel97.6%
intelr0%
microsoft85.71%
nvidia97.97%
qualcomm89.63%
samsung100%

Vendor Architecture Support

Vendor - ArchitectureSupport
amd - gcn-498.54%
amd - gcn-597.03%
amd - rdna-197.84%
amd - rdna-298.69%
amd - rdna-399.52%
apple - apple4.3%
apple - metal-399.29%
arm - bifrost95.14%
arm - valhall92.87%
intel - gen-1196.91%
intel - gen-12lp98.05%
intel - gen-892.31%
intel - gen-997.34%
intel - xe-2lpg99.49%
intel - xe-lpg99.47%
nvidia - ampere98.03%
nvidia - blackwell99.32%
nvidia - kepler93.28%
nvidia - lovelace98.41%
nvidia - maxwell99.5%
nvidia - pascal96.93%
nvidia - turing97.72%
qualcomm - adreno-6xx93.43%
qualcomm - adreno-7xx89.22%
qualcomm - adreno-8xx85.21%