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    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

    void ext.queryCounterEXT(query, target);

    Parameters

    query
    A WebGLTimerQueryEXT object for which to record the current time.
    target
    A GLenum specifying the target of the time query. Must be ext.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

    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

    Document Tags and Contributors

    Tags: 
     Contributors to this page: fscholz
     Last updated by: fscholz,