The EXT_disjoint_timer_query.beginQueryEXT() method of the WebGL API starts a timer query.
Syntax
void ext.beginQueryEXT(target, query);
Parameters
- target
- A
GLenumspecifying the target of the time query. Must beext.TIME_ELAPSED_EXT. query- A
WebGLQueryobject 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 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 — 651 | No | 51 — 631 | ? | ? | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 47 — 651 | No | No | ? | ? | 5.0 |
1. Removed due to the GLitch exploit.