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
WebGLQueryobject for which to record the current time. - target
- A
GLenumspecifying 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.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
queryCounterEXT | 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.