text: import blur from './modules/blur/unreal-blur.glsl.js';
  
  export default /* glsl */`
  precision highp float;
  
  uniform sampler2D tMap;
  uniform vec2 uDirection;
  uniform vec2 uResolution;
  
  varying vec2 vUv;
  
  ${blur}
  
  void main() {
      gl_FragColor = blur(tMap, vUv, uResolution, uDirection, KERNEL_RADIUS, SIGMA);
  }
  `;
  