MAX_VERTEX_UNIFORM_BLOCKS

Maximum number of uniform blocks available to vertex shaders. This controls how many grouped constant-data buffers the vertex stage can access directly.

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Overall Support

≥ means at least this value.

Reported value	Reports
≥ 11	100%
≥ 12	98%
≥ 13	48%
≥ 15	41%
≥ 16	35%
≥ 35	1%

Platform Support

Platform

Reports

Android

Reported value	Reports
≥ 12	100%
≥ 13	92%
≥ 14	91%
≥ 15	48%
≥ 16	47%
≥ 35	7%

Chromium OS

Reported value	Reports
≥ 12	100%
≥ 14	99%
≥ 16	70%

iOS

Reported value	Reports
≥ 12	100%
≥ 13	85%
≥ 15	84%

Linux

Reported value	Reports
≥ 12	100%
≥ 13	99%
≥ 14	98%
≥ 15	64%
≥ 16	4%

Mac OS

Reported value	Reports
≥ 12	100%
≥ 13	92%
≥ 15	90%
≥ 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	48%
≥ 15	40%
≥ 16	33%

Edge

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

Firefox

Reported value	Reports
≥ 12	100%
≥ 13	47%
≥ 15	38%
≥ 16	17%
≥ 36	2%

Opera

Reported value	Reports
≥ 12	100%
≥ 14	13%
≥ 15	11%
≥ 16	9%

Other

Reported value	Reports
≥ 12	100%
≥ 14	73%
≥ 15	61%
≥ 36	4%

Safari

Reported value	Reports
≥ 12	100%
≥ 14	80%
≥ 15	79%

Samsung Internet

Reported value	Reports
≥ 12	100%
≥ 14	98%
≥ 16	46%
≥ 36	31%