EXT_disjoint_timer_query: queryCounterEXT() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The EXT_disjoint_timer_query.queryCounterEXT()
method of
the WebGL API records the current time into
the corresponding query object.
Syntax
js
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 (undefined
).
Examples
js
const ext = gl.getExtension("EXT_disjoint_timer_query");
const startQuery = ext.createQueryEXT();
const endQuery = ext.createQueryEXT();
ext.queryCounterEXT(startQuery, ext.TIMESTAMP_EXT);
// …
ext.queryCounterEXT(endQuery, ext.TIMESTAMP_EXT);
Specifications
Specification |
---|
WebGL EXT_disjoint_timer_query Extension Specification |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
queryCounterEXT |
Legend
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- Full support
- Full support
- Partial support
- Partial support
- No support
- No support
- Has more compatibility info.
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