three
Version:
JavaScript 3D library
39 lines (20 loc) • 522 B
JavaScript
class WebGLExtensions {
constructor( backend ) {
this.backend = backend;
this.gl = this.backend.gl;
this.availableExtensions = this.gl.getSupportedExtensions();
this.extensions = {};
}
get( name ) {
let extension = this.extensions[ name ];
if ( extension === undefined ) {
extension = this.gl.getExtension( name );
this.extensions[ name ] = extension;
}
return extension;
}
has( name ) {
return this.availableExtensions.includes( name );
}
}
export default WebGLExtensions;