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%
≥ 15	39%
≥ 16	34%
≥ 35	1%

Platform Support

Platform

Reports

Android

Reported value	Reports
≥ 12	100%
≥ 13	91%
≥ 14	90%
≥ 15	48%
≥ 16	47%
≥ 35	7%

Chromium OS

Reported value	Reports
≥ 12	100%
≥ 14	99%
≥ 16	69%

iOS

Reported value	Reports
≥ 12	100%
≥ 14	84%
≥ 15	82%

Linux

Reported value	Reports
≥ 12	100%
≥ 13	99%
≥ 14	98%
≥ 15	60%
≥ 16	4%
≥ 36	1%

Mac OS

Reported value	Reports
≥ 12	100%
≥ 13	90%
≥ 15	89%
≥ 16	85%

Windows

Reported value	Reports
≥ 11	100%
≥ 12	96%
≥ 13	2%

Browser Support

Browser

Reports

Chrome/Chromium

Reported value	Reports
≥ 11	100%
≥ 12	97%
≥ 13	48%
≥ 15	38%
≥ 16	33%

Edge

Reported value	Reports
≥ 12	100%
≥ 13	7%
≥ 15	5%

Firefox

Reported value	Reports
≥ 12	100%
≥ 13	48%
≥ 15	39%
≥ 16	20%
≥ 35	2%

Opera

Reported value	Reports
≥ 12	100%
≥ 14	15%
≥ 15	12%
≥ 16	11%
≥ 36	1%

Other

Reported value	Reports
≥ 12	100%
≥ 13	64%
≥ 15	50%
≥ 36	4%

Safari

Reported value	Reports
≥ 12	100%
≥ 14	77%
≥ 15	76%

Samsung Internet

Reported value	Reports
≥ 12	100%
≥ 14	96%
≥ 16	48%
≥ 36	32%