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 47Ā ā€” 65
Notes
No support 47Ā ā€” 65
Notes
Notes Removed due to the GLitch exploit.
Edge No support NoFirefox No support 51Ā ā€” 63
Notes
No support 51Ā ā€” 63
Notes
Notes Removed due to the GLitch exploit.
IE ? Opera ? Safari ? WebView Android No support 47Ā ā€” 65
Notes
No support 47Ā ā€” 65
Notes
Notes Removed due to the GLitch exploit.
Chrome Android No support 47Ā ā€” 65
Notes
No support 47Ā ā€” 65
Notes
Notes Removed due to the GLitch exploit.
Firefox Android No support NoOpera Android ? Safari iOS ? Samsung Internet Android Full support 5.0

Legend

Full support Ā 
Full support
No support Ā 
No support
Compatibility unknown Ā 
Compatibility unknown
See implementation notes.
See implementation notes.

See also