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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 WebGLQuery interface is part of the WebGL 2 API and provides ways to asynchronously query for information. By default, occlusion queries and primitive queries are available.
Another kind of queries are disjoint timer queries, which allow you to measure performance and profiling of your GPU. Disjoint timer queries are available with the EXT_disjoint_timer_query extension only.
WebGLObject WebGLQueryWhen working with WebGLQuery objects, the following methods of the WebGL2RenderingContext are useful:
in this example, gl must be a WebGL2RenderingContext. WebGLQuery objects are not available in WebGL 1.
| WebGL 2.0 Specification # 4.2 |
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This page was last modified on Sep 28, 2024 by MDN contributors.
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