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 beext.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
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 47 | No | 51 | ? | ? | ? |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
---|---|---|---|---|---|---|---|
Basic support | ? | 47 | No | No | ? | ? | 5.0 |