WebGL2RenderingContext: getQueryParameter() method

Note: This feature is available in Web Workers.

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

See also