EXT_disjoint_timer_query.queryCounterEXT()

The EXT_disjoint_timer_query.queryCounterEXT() method of the WebGL API records the current time into the corresponding query object.

Syntax

void ext.queryCounterEXT(query, target);

Parameters

query

A WebGLQuery object for which to record the current time.

target

A GLenum specifying the target of the time query. Must be ext.TIMESTAMP_EXT.

Return value

None.

Examples

var ext = gl.getExtension('EXT_disjoint_timer_query');
var startQuery = ext.createQueryEXT();
var endQuery = ext.createQueryEXT();
ext.queryCounterEXT(startQuery, ext.TIMESTAMP_EXT);
// ...
ext.queryCounterEXT(endQuery, ext.TIMESTAMP_EXT);

Specifications

Browser compatibility

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See also

• WebGLRenderingContext.getExtension()
• WebGLQuery
• EXT_disjoint_timer_query