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EXT_disjoint_timer_query.beginQueryEXT()

The EXT_disjoint_timer_query.beginQueryEXT() method of the WebGL API starts a timer query.

Syntax

void ext.beginQueryEXT(target, query);

Parameters

target
A GLenum specifying the target of the time query. Must be ext.TIME_ELAPSED_EXT.
query
A WebGLTimerQueryEXT object for which to start the time querying.

Return value

None.

Examples

var ext = gl.getExtension("EXT_disjoint_timer_query");
var query = ext.createQueryEXT();
ext.beginQueryEXT(ext.TIME_ELAPSED_EXT, query);

// ...

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

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