maxUniformBuffersPerShaderStage

Maximum number of uniform buffers available to one shader stage. This limits how many separate blocks of constant data that stage can read at once.

Check your device: WebGPU Capabilities Report.

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

Overall Support

≥ means at least this value.

Reported value	Reports
≥ 12	100%
≥ 14	18%
≥ 64	4%

Platform Support

Platform

Reports

Android

Reported value	Reports
≥ 12	100%

Chromium OS

Reported value	Reports
≥ 12	100%

iOS

Reported value	Reports
≥ 12	100%
≥ 44	99%

Linux

Reported value	Reports
≥ 12	100%
≥ 15	11%
≥ 64	10%

Mac OS

Reported value	Reports
≥ 12	100%
≥ 31	29%
≥ 44	28%

Windows

Reported value	Reports
≥ 12	100%
≥ 14	8%

Browser Support

Browser

Reports

Chrome/Chromium

Reported value	Reports
≥ 12	100%
≥ 44	3%

Edge

Reported value	Reports
≥ 12	100%

Firefox

Reported value	Reports
≥ 12	100%
≥ 14	75%
≥ 15	74%
≥ 64	72%

Opera

Reported value	Reports
≥ 12	100%
≥ 44	1%

Other

Reported value	Reports
≥ 12	100%
≥ 44	55%

Safari

Reported value	Reports
≥ 12	100%
≥ 44	98%

Samsung Internet

Reported value	Reports
≥ 12	100%

Vendor Values

Vendor

Reports

amd

Reported value	Reports
≥ 12	100%
≥ 44	1%

apple

Reported value	Reports
≥ 12	100%
≥ 44	46%

arm

Reported value	Reports
≥ 12	100%

google

Reported value	Reports
≥ 12	100%

img-tec

Reported value	Reports
≥ 12	100%

intel

Reported value	Reports
≥ 12	100%

intelr

Reported value	Reports
≥ 12	100%
≥ 44	100%

microsoft

Reported value	Reports
≥ 12	100%

nvidia

Reported value	Reports
≥ 12	100%

qualcomm

Reported value	Reports
≥ 12	100%

samsung

Reported value	Reports
≥ 12	100%

Vendor Architecture Values

Vendor - Architecture

Reports

amd - gcn-4

Reported value	Reports
≥ 12	100%

amd - gcn-5

Reported value	Reports
≥ 12	100%

amd - rdna-1

Reported value	Reports
≥ 12	100%

amd - rdna-2

Reported value	Reports
≥ 12	100%

amd - rdna-3

Reported value	Reports
≥ 12	100%

apple - apple

Reported value	Reports
≥ 12	100%
≥ 44	99%

apple - metal-3

Reported value	Reports
≥ 12	100%

arm - bifrost

Reported value	Reports
≥ 12	100%

arm - valhall

Reported value	Reports
≥ 12	100%

intel - gen-11

Reported value	Reports
≥ 12	100%

intel - gen-12lp

Reported value	Reports
≥ 12	100%

intel - gen-8

Reported value	Reports
≥ 12	100%

intel - gen-9

Reported value	Reports
≥ 12	100%

intel - xe-2lpg

Reported value	Reports
≥ 12	100%

intel - xe-lpg

Reported value	Reports
≥ 12	100%

nvidia - ampere

Reported value	Reports
≥ 12	100%

nvidia - blackwell

Reported value	Reports
≥ 12	100%

nvidia - kepler

Reported value	Reports
≥ 12	100%

nvidia - lovelace

Reported value	Reports
≥ 12	100%

nvidia - maxwell

Reported value	Reports
≥ 12	100%

nvidia - pascal

Reported value	Reports
≥ 12	100%

nvidia - turing

Reported value	Reports
≥ 12	100%

qualcomm - adreno-6xx

Reported value	Reports
≥ 12	100%

qualcomm - adreno-7xx

Reported value	Reports
≥ 12	100%

qualcomm - adreno-8xx

Reported value	Reports
≥ 12	100%