disable method
      
void
disable(
    
    
- dynamic id
Implementation
void disable(id) {
  if (enabledCapabilities[id] != false) {
    gl.disable(id);
    enabledCapabilities[id] = false;
  }
}void disable(id) {
  if (enabledCapabilities[id] != false) {
    gl.disable(id);
    enabledCapabilities[id] = false;
  }
}