The OES_element_index_uint extension is part of the WebGL API and adds support for gl.UNSIGNED_INT types to WebGLRenderingContext.drawElements().
WebGL extensions are available using the WebGLRenderingContext.getExtension() method. For more information, see also Using Extensions in the WebGL tutorial.
Availability: This extension is only available to WebGL1 contexts. In WebGL2, the functionality of this extension is available on the WebGL2 context by default.
This extension extends WebGLRenderingContext.drawElements():
type parameter now accepts gl.UNSIGNED_INT.var ext = gl.getExtension('OES_element_index_uint');
gl.drawElements(gl.POINTS, 8, gl.UNSIGNED_INT, 0);
| Specification | Status | Comment |
|---|---|---|
| OES_element_index_uint The definition of 'OES_element_index_uint' in that specification. | Recommendation | Initial definition. |
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | ? | Yes | 24 | ? | ? | ? |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | Yes | ? | ? | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/OES_element_index_uint