EXT_disjoint_timer_query.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
WebGL EXT_disjoint_timer_query Extension Specification (WebGL EXT_disjoint_timer_query Extension)

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
queryCounterEXT
47-65
Removed due to the GLitch exploit.
No
51-59
Removed due to the GLitch exploit.
No
34-52
Removed due to the GLitch exploit.
No
47-65
Removed due to the GLitch exploit.
47-65
Removed due to the GLitch exploit.
No
34-47
Removed due to the GLitch exploit.
No
5.0-9.0
Removed due to the GLitch exploit.

See also

© 2005–2021 MDN 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/queryCounterEXT