three-stdlib/shaders/ColorCorrectionShader.js

stand-alone library of threejs examples

import { Vector3 } from "three";
const ColorCorrectionShader = {
  uniforms: {
    tDiffuse: { value: null },
    powRGB: { value: /* @__PURE__ */ new Vector3(2, 2, 2) },
    mulRGB: { value: /* @__PURE__ */ new Vector3(1, 1, 1) },
    addRGB: { value: /* @__PURE__ */ new Vector3(0, 0, 0) }
  },
  vertexShader: (
    /* glsl */
    `
    varying vec2 vUv;

    void main() {

    	vUv = uv;

    	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );

    }
  `
  ),
  fragmentShader: (
    /* glsl */
    `
    uniform sampler2D tDiffuse;
    uniform vec3 powRGB;
    uniform vec3 mulRGB;
    uniform vec3 addRGB;

    varying vec2 vUv;

    void main() {

    	gl_FragColor = texture2D( tDiffuse, vUv );
    	gl_FragColor.rgb = mulRGB * pow( ( gl_FragColor.rgb + addRGB ), powRGB );

    }
  `
  )
};
export {
  ColorCorrectionShader
};
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