WebGL2RenderingContext.getQueryParameter

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

Syntax

any gl.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

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

var result = gl.getQueryParameters(query, gl.QUERY_RESULT);

Specifications

Specification	Status	Comment
WebGL 2.0 The definition of 'getQueryParameters' in that specification.	Editor's Draft	Initial definition.
OpenGL ES 3.0 The definition of 'glGetQueryObjectuiv' in that specification.	Standard	Man page of the (similar) OpenGL API.

Browser compatibility

See also

• WebGLQuery