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struct Integrator {
template struct Result; // the result type
template
Color eval(Sample& sample, // image sample
RayPacket& rayPacket, // initial ray packet
Primitive& primitive, // top-level primitive
Intersector& intersector, // top-level intersector
Scene& scene);
// shading scene data
};
struct Material {
template
void evaluate(Vec3f& w_o,
Vec3f& w_i,
ShadingData& sh,
Vec3f& result);
...
};
// packet size
// BSDF parts to evaluate
// outgoing direction
// incoming direction
// hit point, normal, etc.
// returns computed radiance
template
// for materials, lights, and rays
struct SurfaceShader {
template
// packet size
void shade(const RayPacket& rayPacket, // the actual rays
ShadingData& intersection, // ray intersection structure
Context& context,
// rendering context
Vec3f& result);
// returns computed radiance
};