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Thomas Dinges d5ed153760 Cycles / OSL: Support microfacet() closure color function from OSL 1.5 ...

This is basically just a wrapper class, which maps the generic call from the OSL spec to our closures.

Example usage:

shader microfacet_osl(
    color Color = color(0.8),
    int Distribution = 0,
    normal Normal = N,
    vector Tangent = normalize(dPdu),
    float RoughnessU = 0.0,
    float RoughnessV = 0.0,
    float IOR = 1.4,
    int Refract = 0,
    output closure color BSDF = 0)
{
    if (Distribution == 0)
        BSDF = Color * microfacet("ggx", Normal, Tangent, RoughnessU, RoughnessV, IOR, Refract);
    else
        BSDF = Color * microfacet("beckmann", Normal, Tangent, RoughnessU, RoughnessV, IOR, Refract);
}

2014-10-30 11:33:27 +01:00

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