MAX_FRAGMENT_UNIFORM_BLOCKS

Maximum number of uniform blocks available to fragment shaders. This limits how many grouped constant-data buffers the fragment stage can read at once.

Check your device: WebGL2 Capabilities Report.

Overall Support

≥ means at least this value.

Reported value	Reports
≥ 11	100%
≥ 12	98%
≥ 13	47%
≥ 14	46%
≥ 15	40%
≥ 16	34%
≥ 35	1%

Platform Support

Platform

Reports

Android

Reported value	Reports
≥ 12	100%
≥ 13	91%
≥ 14	89%
≥ 15	48%
≥ 35	7%

Chromium OS

Reported value	Reports
≥ 12	100%
≥ 13	99%
≥ 16	69%

iOS

Reported value	Reports
≥ 12	100%
≥ 14	84%
≥ 15	83%

Linux

Reported value	Reports
≥ 12	100%
≥ 13	99%
≥ 14	98%
≥ 15	62%
≥ 16	4%
≥ 36	1%

Mac OS

Reported value	Reports
≥ 12	100%
≥ 13	92%
≥ 15	91%
≥ 16	87%

Windows

Reported value	Reports
≥ 11	100%
≥ 12	97%
≥ 13	2%

Browser Support

Browser

Reports

Chrome/Chromium

Reported value	Reports
≥ 11	100%
≥ 12	98%
≥ 13	47%
≥ 15	39%
≥ 16	32%

Edge

Reported value	Reports
≥ 12	100%
≥ 14	6%
≥ 15	5%
≥ 16	4%

Firefox

Reported value	Reports
≥ 12	100%
≥ 13	47%
≥ 15	38%
≥ 16	18%
≥ 36	2%

Opera

Reported value	Reports
≥ 12	100%
≥ 14	13%
≥ 15	10%
≥ 16	9%

Other

Reported value	Reports
≥ 12	100%
≥ 13	69%
≥ 15	57%
≥ 16	56%
≥ 36	5%

Safari

Reported value	Reports
≥ 12	100%
≥ 14	80%
≥ 16	79%

Samsung Internet

Reported value	Reports
≥ 12	100%
≥ 14	96%
≥ 16	49%
≥ 36	31%