glsl-tone-map/aces.glsl.js

A collection of tone mapping functions available both as ES modules strings and as GLSL files for use with glslify.

export default /* glsl */ `// Narkowicz 2015, "ACES Filmic Tone Mapping Curve"
vec3 aces(vec3 x) {
  const float a = 2.51;
  const float b = 0.03;
  const float c = 2.43;
  const float d = 0.59;
  const float e = 0.14;
  return clamp((x * (a * x + b)) / (x * (c * x + d) + e), 0.0, 1.0);
}

float aces(float x) {
  const float a = 2.51;
  const float b = 0.03;
  const float c = 2.43;
  const float d = 0.59;
  const float e = 0.14;
  return clamp((x * (a * x + b)) / (x * (c * x + d) + e), 0.0, 1.0);
}

`;