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WebGLTimerQueryEXT

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The WebGLTimerQueryEXT interface is part of the WebGL EXT_disjoint_timer_query extension and exposes a timer query object.

WebGL extensions are available using the WebGLRenderingContext.getExtension() method. For more information, see also Using Extensions in the WebGL tutorial.

Availability: This extension is available to both, WebGL1 and WebGL2 contexts.

When working with WebGLTimerQueryEXT objects, the following methods of the EXT_disjoint_timer_query extension are useful:

Examples

var ext = gl.getExtension("EXT_disjoint_timer_query");
var query = ext.createQueryEXT(); // creates a WebGLTimerQueryEXT object

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

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