Uncaught TypeError: Object [object Object] has no method ‘createProgram’ CCGLProgram.js:145
cc.GLProgram.cc._Class.extend.initWithVertexShaderByteArray CCGLProgram.js:145
cc.GLProgram.cc._Class.extend.initWithString
在初始化program的时候出现了这个错误，请问下要怎么使用shader