text: #if defined(GL_FRAGMENT_PRECISION_HIGH)// 原来的写法会被我们自己的解析流程处理，而我们的解析是不认内置宏的，导致被删掉，所以改成 if defined 了
  precision highp float;
  #else
  precision mediump float;
  #endif
  
  #include "Lighting.glsl";
  
  attribute vec4 a_Position;
  uniform mat4 u_MvpMatrix;
  uniform vec4 u_Color;
  attribute vec4 a_Color;
  varying vec4 v_Color;
  
  
  void main()
  {
  	gl_Position = u_MvpMatrix * a_Position;
  	v_Color=a_Color*u_Color;
  	gl_Position=remapGLPositionZ(gl_Position);
  }