diff options
Diffstat (limited to 'intern/cycles/kernel/osl/bsdf_diffuse.cpp')
| -rw-r--r-- | intern/cycles/kernel/osl/bsdf_diffuse.cpp | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/intern/cycles/kernel/osl/bsdf_diffuse.cpp b/intern/cycles/kernel/osl/bsdf_diffuse.cpp deleted file mode 100644 index 1e06d3b583f..00000000000 --- a/intern/cycles/kernel/osl/bsdf_diffuse.cpp +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Adapted from Open Shading Language with this license: - * - * Copyright (c) 2009-2010 Sony Pictures Imageworks Inc., et al. - * All Rights Reserved. - * - * Modifications Copyright 2011, Blender Foundation. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Sony Pictures Imageworks nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <OpenImageIO/fmath.h> - -#include <OSL/genclosure.h> - -#include "osl_closures.h" - -#include "util_math.h" - -CCL_NAMESPACE_BEGIN - -using namespace OSL; - -class DiffuseClosure : public BSDFClosure { -public: - Vec3 m_N; - - DiffuseClosure() : BSDFClosure(Labels::DIFFUSE) {} - - void setup() {}; - - bool mergeable(const ClosurePrimitive *other) const { - const DiffuseClosure *comp = (const DiffuseClosure *)other; - return m_N == comp->m_N && BSDFClosure::mergeable(other); - } - - size_t memsize() const { return sizeof(*this); } - - const char *name() const { return "diffuse"; } - - void print_on(std::ostream &out) const - { - out << name() << " ((" << 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 - { - float cos_pi = max(m_N.dot(omega_in), 0.0f) * (float) M_1_PI; - pdf = cos_pi; - return Color3(cos_pi, cos_pi, cos_pi); - } - - 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 - { - // we are viewing the surface from the right side - send a ray out with cosine - // distribution over the hemisphere - sample_cos_hemisphere(m_N, omega_out, randu, randv, omega_in, pdf); - if (Ng.dot(omega_in) > 0) { - eval.setValue(pdf, pdf, pdf); - // TODO: find a better approximation for the diffuse bounce - 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; - domega_in_dx *= 125; - domega_in_dy *= 125; - } - else - pdf = 0; - return Labels::REFLECT; - } -}; - - - -class TranslucentClosure : public BSDFClosure { -public: - Vec3 m_N; - - TranslucentClosure() : BSDFClosure(Labels::DIFFUSE, Back) {} - - void setup() {}; - - bool mergeable(const ClosurePrimitive *other) const { - const TranslucentClosure *comp = (const TranslucentClosure *)other; - return m_N == comp->m_N && BSDFClosure::mergeable(other); - } - - size_t memsize() const { return sizeof(*this); } - - const char *name() const { return "translucent"; } - - void print_on(std::ostream &out) const - { - out << name() << " ((" << m_N[0] << ", " << m_N[1] << ", " << m_N[2] << "))"; - } - - Color3 eval_reflect(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const - { - return Color3(0, 0, 0); - } - - float albedo(const Vec3 &omega_out) const - { - return 1.0f; - } - - Color3 eval_transmit(const Vec3 &omega_out, const Vec3 &omega_in, float& pdf) const - { - float cos_pi = max(-m_N.dot(omega_in), 0.0f) * (float) M_1_PI; - pdf = cos_pi; - return Color3(cos_pi, cos_pi, cos_pi); - } - - 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 - { - // we are viewing the surface from the right side - send a ray out with cosine - // distribution over the hemisphere - sample_cos_hemisphere(-m_N, omega_out, randu, randv, omega_in, pdf); - if (Ng.dot(omega_in) < 0) { - eval.setValue(pdf, pdf, pdf); - // TODO: find a better approximation for the diffuse bounce - 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; - domega_in_dx *= -125; - domega_in_dy *= -125; - } - else - pdf = 0; - return Labels::TRANSMIT; - } -}; - -ClosureParam *bsdf_diffuse_params() -{ - static ClosureParam params[] = { - CLOSURE_VECTOR_PARAM(DiffuseClosure, m_N), - CLOSURE_STRING_KEYPARAM("label"), - CLOSURE_FINISH_PARAM(DiffuseClosure) - }; - return params; -} - -ClosureParam *bsdf_translucent_params() -{ - static ClosureParam params[] = { - CLOSURE_VECTOR_PARAM(TranslucentClosure, m_N), - CLOSURE_STRING_KEYPARAM("label"), - CLOSURE_FINISH_PARAM(TranslucentClosure) - }; - return params; -} - -CLOSURE_PREPARE(bsdf_diffuse_prepare, DiffuseClosure) -CLOSURE_PREPARE(bsdf_translucent_prepare, TranslucentClosure) - -CCL_NAMESPACE_END - |