declare const _default: "\nconst float A =  0.15;\nconst float B =  0.50;\nconst float C =  0.10;\nconst float D =  0.20;\nconst float E =  0.02;\nconst float F =  0.30;\nconst float W =  11.2;\n\nuniform float exposure;\n\nvec3 uncharted2Tonemap(vec3 x) {\n   return ((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;\n}\n\nvec3 toneMap(vec3 color) {\n    color = uncharted2Tonemap(color * exposure);\n    vec3 whiteScale = 1.0 / uncharted2Tonemap(vec3(W,W,W));\n    color = color * whiteScale;\n\n    return color;\n}\n";
export default _default;