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
JavaScript
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void <var>ext</var>.queryCounterEXT(<var>query</var>, <var>target</var>);
Parameters
query
- A
WebGLTimerQueryEXT
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
JavaScript
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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 | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | ? | 41 (41) [1] | ? | ? | ? |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | ? | ? | ? | ? | ? | ? |
[1] Toggling the webgl.enable-draft-extensions preference in about:config is required.
See also
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/ext_disjoint_timer_query/querycounterext