forked from bartvdbraak/blender
9a1c1f132d
transmission pass and filter glossy option. The BSDF closure class is now more similar to the SVM closures, and includes some flags and labels that are needed to properly categorize the BSDF's for render passes. Phong closure is gone for the moment, needs to be adapated to the new structure still.
258 lines
8.6 KiB
C
258 lines
8.6 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_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_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_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_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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