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 WebGLQuery 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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
beginQueryEXTChrome No support 47 — 65
Notes
No support 47 — 65
Notes
Notes Removed due to the GLitch exploit.
Edge No support NoFirefox No support 51 — 59
Notes
No support 51 — 59
Notes
Notes Removed due to the GLitch exploit.
IE No support NoOpera No support 34 — 52
Notes
No support 34 — 52
Notes
Notes Removed due to the GLitch exploit.
Safari No support NoWebView Android No support 47 — 65
Notes
No support 47 — 65
Notes
Notes Removed due to the GLitch exploit.
Chrome Android No support 47 — 65
Notes
No support 47 — 65
Notes
Notes Removed due to the GLitch exploit.
Firefox Android No support NoOpera Android No support 34 — 47
Notes
No support 34 — 47
Notes
Notes Removed due to the GLitch exploit.
Safari iOS No support NoSamsung Internet Android No support 5.0 — 9.0
Notes
No support 5.0 — 9.0
Notes
Notes Removed due to the GLitch exploit.

Legend

No support  
No support
See implementation notes.
See implementation notes.

See also