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OES_element_index_uint extension

files/en-us/web/api/oes_element_index_uint/index.md

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{{APIRef("WebGL")}}

The OES_element_index_uint extension is part of the WebGL API and adds support for gl.UNSIGNED_INT types to {{domxref("WebGLRenderingContext.drawElements()")}}.

WebGL extensions are available using the {{domxref("WebGLRenderingContext.getExtension()")}} method. For more information, see also Using Extensions in the WebGL tutorial.

[!NOTE] This extension is only available to {{domxref("WebGLRenderingContext", "WebGL1", "", 1)}} contexts. In {{domxref("WebGL2RenderingContext", "WebGL2", "", 1)}}, the functionality of this extension is available on the WebGL2 context by default.

Extended methods

This extension extends {{domxref("WebGLRenderingContext.drawElements()")}}:

  • The type parameter now accepts gl.UNSIGNED_INT.

Examples

js
const ext = gl.getExtension("OES_element_index_uint");

gl.drawElements(gl.POINTS, 8, gl.UNSIGNED_INT, 0);

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

  • {{domxref("WebGLRenderingContext.getExtension()")}}
  • {{domxref("WebGLRenderingContext.drawElements()")}}