Limited availability
The EXT_disjoint_timer_query.queryCounterEXT()
method of the WebGL API records the current time into the corresponding query object.
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 be ext.TIMESTAMP_EXT
.
None (undefined
).
const ext = gl.getExtension("EXT_disjoint_timer_query");
const startQuery = ext.createQueryEXT();
const endQuery = ext.createQueryEXT();
ext.queryCounterEXT(startQuery, ext.TIMESTAMP_EXT);
// â¦
ext.queryCounterEXT(endQuery, ext.TIMESTAMP_EXT);
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