cocos2d,连连看游戏

Cocos2d-x
#1

2013-01-24 19:06:20.904 demoCocos01 cocos2d: CCTexture2D: Using RGB565 texture since image has no alpha

2013-01-24 19:06:26.683 demoCocos01 cocos2d: CCTexture2D: Using RGB565 texture since image has no alpha

游戏运行成功，输出框这是什么意思？？