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	46%
≥ 15	39%
≥ 16	33%
≥ 35	1%

Platform Support

Platform

Reports

Android

Reported value	Reports
≥ 12	100%
≥ 13	91%
≥ 14	90%
≥ 15	49%
≥ 16	48%
≥ 35	8%

Chromium OS

Reported value	Reports
≥ 12	100%
≥ 15	99%
≥ 16	71%

iOS

Reported value	Reports
≥ 12	100%
≥ 14	84%
≥ 15	81%

Linux

Reported value	Reports
≥ 12	100%
≥ 13	99%
≥ 14	98%
≥ 15	61%
≥ 16	4%
≥ 36	1%

Mac OS

Reported value	Reports
≥ 12	100%
≥ 13	90%
≥ 15	88%
≥ 16	85%

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	4%

Firefox

Reported value	Reports
≥ 12	100%
≥ 13	43%
≥ 15	35%
≥ 16	16%
≥ 36	2%

Opera

Reported value	Reports
≥ 12	100%
≥ 14	13%
≥ 15	10%
≥ 16	9%
≥ 36	1%

Other

Reported value	Reports
≥ 12	100%
≥ 14	69%
≥ 15	57%
≥ 36	6%

Safari

Reported value	Reports
≥ 12	100%
≥ 14	78%
≥ 15	77%

Samsung Internet

Reported value	Reports
≥ 12	100%
≥ 14	97%
≥ 16	48%
≥ 36	33%