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ext.beginQueryEXT

The EXT_disjoint_timer_query.beginQueryEXT() method of the WebGL API starts a timer query.

Syntax

void ext.beginQueryEXT(target, query);

Parameters

target
A GLenum specifying the target of the time query. Must be ext.TIME_ELAPSED_EXT.
query
A WebGLQuery object for which to start the time querying.

Return value

None.

Examples

var ext = gl.getExtension('EXT_disjoint_timer_query');
var query = ext.createQueryEXT();
ext.beginQueryEXT(ext.TIME_ELAPSED_EXT, query);

// ...

Specifications

Specification Status Comment
EXT_disjoint_timer_query
The definition of 'EXT_disjoint_timer_query' in that specification.
Working Draft Initial definition.

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 47 — 65
47 — 65
Removed due to the GLitch exploit.
No 51 — 63
51 — 63
Removed due to the GLitch exploit.
? ? ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support ? 47 — 65
47 — 65
Removed due to the GLitch exploit.
No No ? ? 5.0

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/EXT_disjoint_timer_query/beginQueryEXT