playcanvas
Version:
PlayCanvas WebGL game engine
29 lines (27 loc) • 682 B
JavaScript
var tonemappingAces2PS = `
uniform float exposure;
const mat3 ACESInputMat = mat3(
0.59719, 0.35458, 0.04823,
0.07600, 0.90834, 0.01566,
0.02840, 0.13383, 0.83777
);
const mat3 ACESOutputMat = mat3(
1.60475, -0.53108, -0.07367,
-0.10208, 1.10813, -0.00605,
-0.00327, -0.07276, 1.07602
);
vec3 RRTAndODTFit(vec3 v) {
vec3 a = v * (v + 0.0245786) - 0.000090537;
vec3 b = v * (0.983729 * v + 0.4329510) + 0.238081;
return a / b;
}
vec3 toneMap(vec3 color) {
color *= exposure / 0.6;
color = color * ACESInputMat;
color = RRTAndODTFit(color);
color = color * ACESOutputMat;
color = clamp(color, 0.0, 1.0);
return color;
}
`;
export { tonemappingAces2PS as default };