WebGL2RenderingContext: getQueryParameter() method

Available in workers

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

Syntax

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

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

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

Specifications

Browser compatibility

See also

• WebGLQuery