OES_element_index_uint WebGL extensionThe OES_element_index_uint extension for WebGL 1.0 contexts adds support for gl.UNSIGNED_INT types to WebGLRenderingContext.drawElements().webgl-extensionsWebGL extensionswidely2015-07-292018-01-29https://registry.khronos.org/webgl/extensions/OES_element_index_uint/https://developer.mozilla.org/docs/Web/API/OES_element_index_uintapi.OES_element_index_uinthttps://nowyoucanuse.com/features--oes-element-index-uint.html