LYGIA Shader Library

Dependencies:

• lygia/math/saturate.glsl

Use:

<vec3|vec4> tonemapACES(<vec3|vec4> x)

Check it on Github

#ifndef FNC_TONEMAPACES
#define FNC_TONEMAPACES
vec3 tonemapACES(vec3 v) {
    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 saturate((v*(a*v+b))/(v*(c*v+d)+e));
}

vec4 tonemapACES(in vec4 v) {
    return vec4(tonemapACES(v.rgb), v.a);
}
#endif

Use:

<float3|float4> tonemapACES(<float3|float4> x)

Check it on Github

#ifndef FNC_TONEMAPACES
#define FNC_TONEMAPACES
float3 tonemapACES(float3 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 saturate((x*(a*x+b))/(x*(c*x+d)+e));
}

float4 tonemapACES(float4 x) {
    return float4(tonemapACES(x.rgb), x.a);
}
#endif

Use:

<vec3|vec4> tonemapACES(<vec3|vec4> x)

Check it on Github

const aces_a = 2.51;
const aces_b = 0.03;
const aces_c = 2.43;
const aces_d = 0.59;
const aces_e = 0.14;

fn tonemapACES3(v : vec3f) -> vec3f {
    return saturate((v * (aces_a * v + aces_b)) / (v * (aces_c * v + aces_d) + aces_e));
}

fn tonemapACES4(v : vec4f) -> vec4f {
    return vec4(tonemapACES3(v.rgb), v.a);
}