EXT_disjoint_timer_query: queryCounterEXT() method
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
BCD tables only load in the browser