1. DomName('WebGL2RenderingContext.generateMipmap')
  2. DocsEditable()
  3. Experimental()
void generateMipmap(int target)

Source 

@DomName('WebGL2RenderingContext.generateMipmap')
@DocsEditable()
@Experimental() // untriaged
void generateMipmap(int target) => _blink.BlinkWebGL2RenderingContext.instance.generateMipmap_Callback_1_(this, target);