forked from bartvdbraak/blender
269 lines
9.0 KiB
C
269 lines
9.0 KiB
C
/*
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* Copyright 2011, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "../closure/bsdf_ashikhmin_velvet.h"
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#include "../closure/bsdf_diffuse.h"
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#include "../closure/bsdf_oren_nayar.h"
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#include "../closure/bsdf_phong_ramp.h"
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#include "../closure/bsdf_microfacet.h"
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#include "../closure/bsdf_reflection.h"
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#include "../closure/bsdf_refraction.h"
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#include "../closure/bsdf_transparent.h"
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#ifdef __DPDU__
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#include "../closure/bsdf_ward.h"
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#endif
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#include "../closure/bsdf_westin.h"
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CCL_NAMESPACE_BEGIN
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__device int svm_bsdf_sample(const ShaderData *sd, const ShaderClosure *sc, float randu, float randv, float3 *eval, float3 *omega_in, differential3 *domega_in, float *pdf)
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{
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int label;
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switch(sc->type) {
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case CLOSURE_BSDF_DIFFUSE_ID:
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label = bsdf_diffuse_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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#ifdef __SVM__
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case CLOSURE_BSDF_OREN_NAYAR_ID:
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label = bsdf_oren_nayar_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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/*case CLOSURE_BSDF_PHONG_RAMP_ID:
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label = bsdf_phong_ramp_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;*/
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case CLOSURE_BSDF_TRANSLUCENT_ID:
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label = bsdf_translucent_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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case CLOSURE_BSDF_REFLECTION_ID:
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label = bsdf_reflection_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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case CLOSURE_BSDF_REFRACTION_ID:
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label = bsdf_refraction_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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case CLOSURE_BSDF_TRANSPARENT_ID:
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label = bsdf_transparent_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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case CLOSURE_BSDF_MICROFACET_GGX_ID:
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case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
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label = bsdf_microfacet_ggx_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
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case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
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label = bsdf_microfacet_beckmann_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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#ifdef __DPDU__
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case CLOSURE_BSDF_WARD_ID:
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label = bsdf_ward_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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#endif
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case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
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label = bsdf_ashikhmin_velvet_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
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label = bsdf_westin_backscatter_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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case CLOSURE_BSDF_WESTIN_SHEEN_ID:
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label = bsdf_westin_sheen_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv,
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eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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#endif
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default:
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label = LABEL_NONE;
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break;
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}
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return label;
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}
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__device float3 svm_bsdf_eval(const ShaderData *sd, const ShaderClosure *sc, const float3 omega_in, float *pdf)
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{
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float3 eval;
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if(dot(sd->Ng, omega_in) >= 0.0f) {
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switch(sc->type) {
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case CLOSURE_BSDF_DIFFUSE_ID:
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eval = bsdf_diffuse_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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#ifdef __SVM__
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case CLOSURE_BSDF_OREN_NAYAR_ID:
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eval = bsdf_oren_nayar_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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/*case CLOSURE_BSDF_PHONG_RAMP_ID:
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eval = bsdf_phong_ramp_eval_reflect(sc, sd->I, omega_in, pdf);
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break;*/
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case CLOSURE_BSDF_TRANSLUCENT_ID:
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eval = bsdf_translucent_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_REFLECTION_ID:
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eval = bsdf_reflection_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_REFRACTION_ID:
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eval = bsdf_refraction_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_TRANSPARENT_ID:
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eval = bsdf_transparent_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_MICROFACET_GGX_ID:
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case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
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eval = bsdf_microfacet_ggx_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
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case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
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eval = bsdf_microfacet_beckmann_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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#ifdef __DPDU__
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case CLOSURE_BSDF_WARD_ID:
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eval = bsdf_ward_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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#endif
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case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
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eval = bsdf_ashikhmin_velvet_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
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eval = bsdf_westin_backscatter_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_WESTIN_SHEEN_ID:
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eval = bsdf_westin_sheen_eval_reflect(sc, sd->I, omega_in, pdf);
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break;
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#endif
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default:
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eval = make_float3(0.0f, 0.0f, 0.0f);
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break;
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}
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}
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else {
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switch(sc->type) {
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case CLOSURE_BSDF_DIFFUSE_ID:
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eval = bsdf_diffuse_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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#ifdef __SVM__
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case CLOSURE_BSDF_OREN_NAYAR_ID:
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eval = bsdf_oren_nayar_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_TRANSLUCENT_ID:
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eval = bsdf_translucent_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_REFLECTION_ID:
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eval = bsdf_reflection_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_REFRACTION_ID:
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eval = bsdf_refraction_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_TRANSPARENT_ID:
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eval = bsdf_transparent_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_MICROFACET_GGX_ID:
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case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
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eval = bsdf_microfacet_ggx_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
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case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
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eval = bsdf_microfacet_beckmann_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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#ifdef __DPDU__
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case CLOSURE_BSDF_WARD_ID:
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eval = bsdf_ward_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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#endif
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case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
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eval = bsdf_ashikhmin_velvet_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
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eval = bsdf_westin_backscatter_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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case CLOSURE_BSDF_WESTIN_SHEEN_ID:
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eval = bsdf_westin_sheen_eval_transmit(sc, sd->I, omega_in, pdf);
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break;
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#endif
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default:
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eval = make_float3(0.0f, 0.0f, 0.0f);
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break;
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}
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}
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return eval;
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}
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__device void svm_bsdf_blur(ShaderClosure *sc, float roughness)
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{
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switch(sc->type) {
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case CLOSURE_BSDF_DIFFUSE_ID:
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bsdf_diffuse_blur(sc, roughness);
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break;
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#ifdef __SVM__
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case CLOSURE_BSDF_OREN_NAYAR_ID:
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bsdf_oren_nayar_blur(sc, roughness);
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break;
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/*case CLOSURE_BSDF_PHONG_RAMP_ID:
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bsdf_phong_ramp_blur(sc, roughness);
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break;*/
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case CLOSURE_BSDF_TRANSLUCENT_ID:
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bsdf_translucent_blur(sc, roughness);
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break;
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case CLOSURE_BSDF_REFLECTION_ID:
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bsdf_reflection_blur(sc, roughness);
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break;
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case CLOSURE_BSDF_REFRACTION_ID:
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bsdf_refraction_blur(sc, roughness);
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break;
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case CLOSURE_BSDF_TRANSPARENT_ID:
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bsdf_transparent_blur(sc, roughness);
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break;
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case CLOSURE_BSDF_MICROFACET_GGX_ID:
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case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
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bsdf_microfacet_ggx_blur(sc, roughness);
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break;
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case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
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case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
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bsdf_microfacet_beckmann_blur(sc, roughness);
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break;
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#ifdef __DPDU__
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case CLOSURE_BSDF_WARD_ID:
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bsdf_ward_blur(sc, roughness);
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break;
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#endif
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case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
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bsdf_ashikhmin_velvet_blur(sc, roughness);
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break;
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case CLOSURE_BSDF_WESTIN_BACKSCATTER_ID:
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bsdf_westin_backscatter_blur(sc, roughness);
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break;
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case CLOSURE_BSDF_WESTIN_SHEEN_ID:
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bsdf_westin_sheen_blur(sc, roughness);
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break;
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#endif
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default:
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break;
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}
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}
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CCL_NAMESPACE_END
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