tofu.js/src/shader/CopyShader.js

a helper three.js library for building UC-AR

/**
 * @author alteredq / http://alteredqualia.com/
 *
 * Full-screen textured quad shader
 * @private
 */

const CopyShader = {

  uniforms: {

    tDiffuse: { value: null },
    opacity: { value: 1.0 },

  },

  vertexShader: `
  varying vec2 vUv;
  void main() {
    vUv = uv;
    gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
  }`,

  fragmentShader: `
  uniform float opacity;
  uniform sampler2D tDiffuse;
  varying vec2 vUv;
  void main() {
    vec4 texel = texture2D( tDiffuse, vUv );
    gl_FragColor = opacity * texel;
  }`,

};

export default CopyShader;