diff options
Diffstat (limited to 'intern/cycles/kernel/osl/bsdf_reflection.cpp')
| -rw-r--r-- | intern/cycles/kernel/osl/bsdf_reflection.cpp | 113 |
1 files changed, 57 insertions, 56 deletions
diff --git a/intern/cycles/kernel/osl/bsdf_reflection.cpp b/intern/cycles/kernel/osl/bsdf_reflection.cpp index b0caff6df44..7041b4ced6f 100644 --- a/intern/cycles/kernel/osl/bsdf_reflection.cpp +++ b/intern/cycles/kernel/osl/bsdf_reflection.cpp @@ -42,65 +42,66 @@ using namespace OSL; class ReflectionClosure : public BSDFClosure { public: - Vec3 m_N; // shading normal - ReflectionClosure() : BSDFClosure(Labels::SINGULAR) { } - - void setup() {}; - - bool mergeable (const ClosurePrimitive *other) const { - const ReflectionClosure *comp = (const ReflectionClosure *)other; - return m_N == comp->m_N && BSDFClosure::mergeable(other); - } - - size_t memsize () const { return sizeof(*this); } - - const char *name () const { return "reflection"; } - - void print_on (std::ostream &out) const { - out << name() << " ("; - out << "(" << m_N[0] << ", " << m_N[1] << ", " << m_N[2] << "))"; - } - - float albedo (const Vec3 &omega_out) const - { - return 1.0f; - } - - Color3 eval_reflect (const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const - { - return Color3 (0, 0, 0); - } - - Color3 eval_transmit (const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const - { - return Color3 (0, 0, 0); - } - - ustring sample (const Vec3 &Ng, - const Vec3 &omega_out, const Vec3 &domega_out_dx, const Vec3 &domega_out_dy, - float randu, float randv, - Vec3 &omega_in, Vec3 &domega_in_dx, Vec3 &domega_in_dy, - float &pdf, Color3 &eval) const - { - // only one direction is possible - float cosNO = m_N.dot(omega_out); - if (cosNO > 0) { - omega_in = (2 * cosNO) * m_N - omega_out; - if (Ng.dot(omega_in) > 0) { - domega_in_dx = 2 * m_N.dot(domega_out_dx) * m_N - domega_out_dx; - domega_in_dy = 2 * m_N.dot(domega_out_dy) * m_N - domega_out_dy; - pdf = 1; - eval.setValue(1, 1, 1); - } - } - return Labels::REFLECT; - } + Vec3 m_N; // shading normal + ReflectionClosure() : BSDFClosure(Labels::SINGULAR) {} + + void setup() {}; + + bool mergeable(const ClosurePrimitive *other) const { + const ReflectionClosure *comp = (const ReflectionClosure *)other; + return m_N == comp->m_N && BSDFClosure::mergeable(other); + } + + size_t memsize() const { return sizeof(*this); } + + const char *name() const { return "reflection"; } + + void print_on(std::ostream &out) const { + out << name() << " ("; + out << "(" << m_N[0] << ", " << m_N[1] << ", " << m_N[2] << "))"; + } + + float albedo(const Vec3 &omega_out) const + { + return 1.0f; + } + + Color3 eval_reflect(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const + { + return Color3(0, 0, 0); + } + + Color3 eval_transmit(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const + { + return Color3(0, 0, 0); + } + + ustring sample(const Vec3 &Ng, + const Vec3 &omega_out, const Vec3 &domega_out_dx, const Vec3 &domega_out_dy, + float randu, float randv, + Vec3 &omega_in, Vec3 &domega_in_dx, Vec3 &domega_in_dy, + float &pdf, Color3 &eval) const + { + // only one direction is possible + float cosNO = m_N.dot(omega_out); + if (cosNO > 0) { + omega_in = (2 * cosNO) * m_N - omega_out; + if (Ng.dot(omega_in) > 0) { + domega_in_dx = 2 * m_N.dot(domega_out_dx) * m_N - domega_out_dx; + domega_in_dy = 2 * m_N.dot(domega_out_dy) * m_N - domega_out_dy; + pdf = 1; + eval.setValue(1, 1, 1); + } + } + return Labels::REFLECT; + } }; ClosureParam bsdf_reflection_params[] = { - CLOSURE_VECTOR_PARAM(ReflectionClosure, m_N), - CLOSURE_STRING_KEYPARAM("label"), - CLOSURE_FINISH_PARAM(ReflectionClosure) }; + CLOSURE_VECTOR_PARAM(ReflectionClosure, m_N), + CLOSURE_STRING_KEYPARAM("label"), + CLOSURE_FINISH_PARAM(ReflectionClosure) +}; CLOSURE_PREPARE(bsdf_reflection_prepare, ReflectionClosure) |