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void output_aov(vec4 color, float value, uint hash)
{
/* Unsupported. */
}
/* Surface BSDFs. */
Closure closure_eval(ClosureDiffuse diffuse)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureTranslucent translucent)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureReflection reflection)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureRefraction refraction)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureEmission emission)
{
Closure closure = CLOSURE_DEFAULT;
closure.emission = emission.emission;
return closure;
}
Closure closure_eval(ClosureTransparency transparency)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureReflection reflection, ClosureRefraction refraction)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureDiffuse diffuse, ClosureReflection reflection)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureDiffuse diffuse,
ClosureReflection reflection,
ClosureReflection clearcoat)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureDiffuse diffuse,
ClosureReflection reflection,
ClosureReflection clearcoat,
ClosureRefraction refraction)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureReflection reflection, ClosureReflection clearcoat)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureHair hair)
{
return CLOSURE_DEFAULT;
}
Closure closure_eval(ClosureVolumeScatter volume_scatter)
{
Closure closure = CLOSURE_DEFAULT;
closure.scatter = volume_scatter.scattering;
closure.anisotropy = volume_scatter.anisotropy;
return closure;
}
Closure closure_eval(ClosureVolumeAbsorption volume_absorption)
{
Closure closure = CLOSURE_DEFAULT;
closure.absorption = volume_absorption.absorption;
return closure;
}
Closure closure_eval(ClosureVolumeScatter volume_scatter,
ClosureVolumeAbsorption volume_absorption,
ClosureEmission emission)
{
Closure closure = CLOSURE_DEFAULT;
closure.absorption = volume_absorption.absorption;
closure.scatter = volume_scatter.scattering;
closure.anisotropy = volume_scatter.anisotropy;
closure.emission = emission.emission;
return closure;
}
vec4 closure_to_rgba(Closure closure)
{
/* Not supported */
return vec4(0.0);
}
Closure closure_mix(Closure cl1, Closure cl2, float fac)
{
Closure cl;
cl.absorption = mix(cl1.absorption, cl2.absorption, fac);
cl.scatter = mix(cl1.scatter, cl2.scatter, fac);
cl.emission = mix(cl1.emission, cl2.emission, fac);
cl.anisotropy = mix(cl1.anisotropy, cl2.anisotropy, fac);
return cl;
}
Closure closure_add(Closure cl1, Closure cl2)
{
Closure cl;
cl.absorption = cl1.absorption + cl2.absorption;
cl.scatter = cl1.scatter + cl2.scatter;
cl.emission = cl1.emission + cl2.emission;
cl.anisotropy = (cl1.anisotropy + cl2.anisotropy) / 2.0; /* Average phase (no multi lobe) */
return cl;
}
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