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Tonemap: Use J. Hable filmic operator

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It gives better result on stk enterprise, slightly saturating blacks.
This commit is contained in:
vlj 2014-04-25 17:57:10 +02:00
parent 97b6db3fdc
commit 3e4254b3a7
1 changed files with 6 additions and 2 deletions
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8
data/shaders/tonemap.frag
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@ -23,9 +23,13 @@ void main()
vec3 Cw = getCIEYxy(col.xyz);
float Lw = Cw.y;
float L = Lw * exposure / avgLw;
/* float L = Lw * exposure / avgLw;
float Ld = L * (1. + L / (Lwhite * Lwhite));
Ld /= (1. + L);
Ld /= (1. + L);*/
float Ld = (Lw * (6.2 * Lw + .5)) / (Lw * (6.2 * Lw + 1.7) + 0.06);
Ld = pow(Ld, 2.2);
FragColor = vec4(Ld * pow(col.xyz / Lw, vec3(saturation)), 1.);