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ext.queryCounterEXT

The EXT_disjoint_timer_query.queryCounterEXT() method of the WebGL API records the current time into the corresponding query object.

Syntax

void ext.queryCounterEXT(query, target);

Parameters

query
A WebGLQuery object for which to record the current time.
target
A GLenum specifying the target of the time query. Must be ext.TIMESTAMP_EXT.

Return value

None.

Examples

var ext = gl.getExtension('EXT_disjoint_timer_query');
var startQuery = ext.createQueryEXT();
var endQuery = ext.createQueryEXT();
ext.queryCounterEXT(startQuery, ext.TIMESTAMP_EXT);

// ...

ext.queryCounterEXT(endQuery, ext.TIMESTAMP_EXT);

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

Edit this page on MDN

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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/queryCounterEXT