public static boolean update(TextureAtlasSprite icon, boolean itemFrameRenderer) {
   if (!initialized) {
     logger.finer("deferring %s update until initialization finishes", IconAPI.getIconName(icon));
     return false;
   }
   if (!active) {
     return false;
   }
   int oldFB = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
   if (oldFB != 0 && warnCount < 10) {
     logger.finer(
         "rendering %s while non-default framebuffer %d is active",
         IconAPI.getIconName(icon), oldFB);
     warnCount++;
   }
   int oldTexture = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);
   try {
     FancyDial instance = getInstance(icon);
     return instance != null && instance.render(itemFrameRenderer);
   } finally {
     EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, oldFB);
     GLAPI.glBindTexture(oldTexture);
   }
 }