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.
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| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
beginQueryEXT | Chrome
No support
47Ā ā 65
| Edge No support No | Firefox
No support
51Ā ā 63
| IE ? | Opera ? | Safari ? | WebView Android
No support
47Ā ā 65
| Chrome Android
No support
47Ā ā 65
| Firefox Android No support No | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 5.0 |
Legend
- Full support Ā
- Full support
- No support Ā
- No support
- Compatibility unknown Ā
- Compatibility unknown
- See implementation notes.
- See implementation notes.