uniform vec3 PREFIX(inv_gamma_22); // 2.2 / gamma.
vec4 FUNCNAME(vec2 tc) {
- vec4 x = LAST_INPUT(tc);
+ vec4 x = INPUT(tc);
+ x.rgb /= x.aaa;
x.rgb = pow(x.rgb, vec3(1.0/2.2));
x.rgb += PREFIX(lift) * (vec3(1) - x.rgb);
x.rgb = pow(x.rgb, PREFIX(inv_gamma_22));
x.rgb *= PREFIX(gain_pow_inv_gamma);
+ x.rgb *= x.aaa;
return x;
}