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 WebGLTimerQueryEXT 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 compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari Servo
Basic Support47?No support1????
Feature Android Chrome for Android Edge Mobile Firefox for Android IE Mobile Opera Mobile Safari Mobile
Basic Support?47?No support???

1. To enable it in Firefox 41 and later, you need to set the webgl.enable-draft-extensions preference to true.

See also

Document Tags and Contributors

 Contributors to this page: teoli, fscholz
 Last updated by: teoli,