code: function register(Shader) {
      // Some build in shaders
      Shader['import'](coloradjustEssl);
      Shader['import'](blurEssl);
      Shader['import'](lumEssl);
      Shader['import'](lutEssl);
      Shader['import'](vigentteEssl);
      Shader['import'](outputEssl);
      Shader['import'](brightEssl);
      Shader['import'](downsampleEssl);
      Shader['import'](upsampleEssl);
      Shader['import'](hdrEssl);
      Shader['import'](lensflareEssl);
      Shader['import'](blendEssl);
  
      Shader['import'](fxaaEssl);
  
  }
docs: import fxaa3Essl from './source/compositor/fxaa3.glsl.js'; TODO Must export a module and be used in the other modules. Or it will be tree shaked