@Override
 public void setLocations(int programHandle) {
   super.setLocations(programHandle);
   muToonColor0Handle = getUniformLocation(programHandle, ToonShaderVar.U_TOON_COLOR0);
   muToonColor1Handle = getUniformLocation(programHandle, ToonShaderVar.U_TOON_COLOR1);
   muToonColor2Handle = getUniformLocation(programHandle, ToonShaderVar.U_TOON_COLOR2);
   muToonColor3Handle = getUniformLocation(programHandle, ToonShaderVar.U_TOON_COLOR3);
 }