按照这样做的http://discuss.cocos2d-x.org/t/how-to-use-opengl-shader-in-cocos2d-x3-0/12430 但是运行报错了
cocos2d: cocos2d: ERROR: 0:18: Regular non-array variable ‘CC_Texture0’ may not be redeclared
cocos2d: cocos2d: ERROR: Failed to compile fragment shader
cocos2d: enterTransitionFinish
OpenGL error 0x0502 in - 322
