WebGL2RenderingContext: endQuery() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
Note: This feature is available in Web Workers.
The WebGL2RenderingContext.endQuery() method of the WebGL 2 API marks the end of a given query
target.
Syntax
js
endQuery(target)
Parameters
target-
A
GLenumspecifying the target of the query. Possible values:gl.ANY_SAMPLES_PASSED-
Specifies an occlusion query: these queries detect whether an object is visible (whether the scoped drawing commands pass the depth test and if so, how many samples pass).
gl.ANY_SAMPLES_PASSED_CONSERVATIVE-
Same as above, but less accurate and faster version.
gl.TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN-
Number of primitives that are written to transform feedback buffers.
Return value
None (undefined).
Examples
js
const query = gl.createQuery();
gl.beginQuery(gl.ANY_SAMPLES_PASSED, query);
// …
gl.endQuery(gl.ANY_SAMPLES_PASSED);
Specifications
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.12 |
Browser compatibility
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