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WebGL2RenderingContext: getQueryParameter() method

The WebGL2RenderingContext.getQueryParameter() method of the WebGL 2 API returns parameter information of a WebGLQuery object.

Syntax

js

getQueryParameter(query, pname)

Parameters

query

A WebGLQuery object.

pname

A GLenum specifying which information to return. Possible values:

gl.QUERY_RESULT

Returns a GLuint containing the query result.

gl.QUERY_RESULT_AVAILABLE

Returns a GLboolean indicating whether or not a query result is available.

Return value

Depends on the pname parameter, either a GLuint or a GLboolean.

Examples

js

const query = gl.createQuery();
gl.beginQuery(gl.ANY_SAMPLES_PASSED, query);

const result = gl.getQueryParameter(query, gl.QUERY_RESULT);

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
getQueryParameter 56 79 51 No 43 15 58 58 51 43 15 7.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/getQueryParameter