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

Browser compatibility

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See also

• WebGLRenderingContext.getExtension()
• WebGLQuery
• EXT_disjoint_timer_query