689 lines
27 KiB
C
689 lines
27 KiB
C
/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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// clang-format off
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#include "kernel/closure/bsdf_ashikhmin_velvet.h"
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#include "kernel/closure/bsdf_diffuse.h"
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#include "kernel/closure/bsdf_oren_nayar.h"
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#include "kernel/closure/bsdf_phong_ramp.h"
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#include "kernel/closure/bsdf_diffuse_ramp.h"
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#include "kernel/closure/bsdf_microfacet.h"
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#include "kernel/closure/bsdf_microfacet_multi.h"
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#include "kernel/closure/bsdf_reflection.h"
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#include "kernel/closure/bsdf_refraction.h"
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#include "kernel/closure/bsdf_transparent.h"
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#include "kernel/closure/bsdf_ashikhmin_shirley.h"
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#include "kernel/closure/bsdf_toon.h"
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#include "kernel/closure/bsdf_hair.h"
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#include "kernel/closure/bsdf_hair_principled.h"
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#include "kernel/closure/bsdf_principled_diffuse.h"
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#include "kernel/closure/bsdf_principled_sheen.h"
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#include "kernel/closure/bssrdf.h"
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#include "kernel/closure/volume.h"
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// clang-format on
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CCL_NAMESPACE_BEGIN
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/* Returns the square of the roughness of the closure if it has roughness,
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* 0 for singular closures and 1 otherwise. */
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ccl_device_inline float bsdf_get_specular_roughness_squared(const ShaderClosure *sc)
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{
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if (CLOSURE_IS_BSDF_SINGULAR(sc->type)) {
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return 0.0f;
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}
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if (CLOSURE_IS_BSDF_MICROFACET(sc->type)) {
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MicrofacetBsdf *bsdf = (MicrofacetBsdf *)sc;
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return bsdf->alpha_x * bsdf->alpha_y;
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}
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return 1.0f;
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}
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ccl_device_inline float bsdf_get_roughness_squared(const ShaderClosure *sc)
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{
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/* This version includes diffuse, mainly for baking Principled BSDF
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* where specular and metallic zero otherwise does not bake the
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* specified roughness parameter. */
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if (sc->type == CLOSURE_BSDF_OREN_NAYAR_ID) {
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OrenNayarBsdf *bsdf = (OrenNayarBsdf *)sc;
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return sqr(sqr(bsdf->roughness));
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}
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if (sc->type == CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID) {
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PrincipledDiffuseBsdf *bsdf = (PrincipledDiffuseBsdf *)sc;
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return sqr(sqr(bsdf->roughness));
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}
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if (CLOSURE_IS_BSDF_DIFFUSE(sc->type)) {
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return 0.0f;
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}
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return bsdf_get_specular_roughness_squared(sc);
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}
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/* An additional term to smooth illumination on grazing angles when using bump mapping.
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* Based on "Taming the Shadow Terminator" by Matt Jen-Yuan Chiang,
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* Yining Karl Li and Brent Burley. */
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ccl_device_inline float bump_shadowing_term(float3 Ng, float3 N, float3 I)
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{
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float g = safe_divide(dot(Ng, I), dot(N, I) * dot(Ng, N));
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/* If the incoming light is on the unshadowed side, return full brightness. */
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if (g >= 1.0f) {
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return 1.0f;
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}
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/* If the incoming light points away from the surface, return black. */
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if (g < 0.0f) {
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return 0.0f;
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}
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/* Return smoothed value to avoid discontinuity at perpendicular angle. */
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float g2 = sqr(g);
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return -g2 * g + g2 + g;
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}
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/* Shadow terminator workaround, taken from Appleseed.
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* Original code is under the MIT License
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* Copyright (c) 2019 Francois Beaune, The appleseedhq Organization */
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ccl_device_inline float shift_cos_in(float cos_in, const float frequency_multiplier)
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{
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cos_in = min(cos_in, 1.0f);
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const float angle = fast_acosf(cos_in);
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const float val = max(cosf(angle * frequency_multiplier), 0.0f) / cos_in;
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return val;
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}
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ccl_device_inline int bsdf_sample(const KernelGlobals *kg,
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ShaderData *sd,
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const ShaderClosure *sc,
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float randu,
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float randv,
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float3 *eval,
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float3 *omega_in,
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differential3 *domega_in,
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float *pdf)
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{
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/* For curves use the smooth normal, particularly for ribbons the geometric
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* normal gives too much darkening otherwise. */
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int label;
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const float3 Ng = (sd->type & PRIMITIVE_ALL_CURVE) ? sc->N : sd->Ng;
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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,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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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,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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# ifdef __OSL__
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case CLOSURE_BSDF_PHONG_RAMP_ID:
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label = bsdf_phong_ramp_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_DIFFUSE_RAMP_ID:
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label = bsdf_diffuse_ramp_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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# endif
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case CLOSURE_BSDF_TRANSLUCENT_ID:
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label = bsdf_translucent_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_REFLECTION_ID:
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label = bsdf_reflection_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_REFRACTION_ID:
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label = bsdf_refraction_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_TRANSPARENT_ID:
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label = bsdf_transparent_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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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_FRESNEL_ID:
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case CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID:
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case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
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label = bsdf_microfacet_ggx_sample(kg,
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sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
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case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID:
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label = bsdf_microfacet_multi_ggx_sample(kg,
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sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf,
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&sd->lcg_state);
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break;
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case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
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case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID:
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label = bsdf_microfacet_multi_ggx_glass_sample(kg,
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sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf,
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&sd->lcg_state);
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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(kg,
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sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID:
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label = bsdf_ashikhmin_shirley_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
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label = bsdf_ashikhmin_velvet_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_DIFFUSE_TOON_ID:
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label = bsdf_diffuse_toon_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_GLOSSY_TOON_ID:
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label = bsdf_glossy_toon_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_HAIR_REFLECTION_ID:
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label = bsdf_hair_reflection_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_HAIR_TRANSMISSION_ID:
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label = bsdf_hair_transmission_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_HAIR_PRINCIPLED_ID:
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label = bsdf_principled_hair_sample(
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kg, sc, sd, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf);
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break;
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# ifdef __PRINCIPLED__
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case CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID:
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label = bsdf_principled_diffuse_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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case CLOSURE_BSDF_PRINCIPLED_SHEEN_ID:
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label = bsdf_principled_sheen_sample(sc,
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Ng,
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sd->I,
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sd->dI.dx,
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sd->dI.dy,
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randu,
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randv,
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eval,
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omega_in,
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&domega_in->dx,
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&domega_in->dy,
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pdf);
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break;
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# endif /* __PRINCIPLED__ */
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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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/* Test if BSDF sample should be treated as transparent for background. */
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if (label & LABEL_TRANSMIT) {
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float threshold_squared = kernel_data.background.transparent_roughness_squared_threshold;
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if (threshold_squared >= 0.0f) {
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if (bsdf_get_specular_roughness_squared(sc) <= threshold_squared) {
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label |= LABEL_TRANSMIT_TRANSPARENT;
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}
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}
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}
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else {
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/* Shadow terminator offset. */
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const float frequency_multiplier =
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kernel_tex_fetch(__objects, sd->object).shadow_terminator_shading_offset;
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if (frequency_multiplier > 1.0f) {
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*eval *= shift_cos_in(dot(*omega_in, sc->N), frequency_multiplier);
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}
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if (label & LABEL_DIFFUSE) {
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if (!isequal_float3(sc->N, sd->N)) {
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*eval *= bump_shadowing_term((label & LABEL_TRANSMIT) ? -sd->N : sd->N, sc->N, *omega_in);
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}
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}
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}
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return label;
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}
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#ifndef __KERNEL_CUDA__
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ccl_device
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#else
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ccl_device_inline
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#endif
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float3
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bsdf_eval(const KernelGlobals *kg,
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ShaderData *sd,
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const ShaderClosure *sc,
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const float3 omega_in,
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const bool is_transmission,
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float *pdf)
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{
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float3 eval = zero_float3();
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if (!is_transmission) {
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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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# ifdef __OSL__
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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_DIFFUSE_RAMP_ID:
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eval = bsdf_diffuse_ramp_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_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_FRESNEL_ID:
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case CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_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_MULTI_GGX_ID:
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID:
|
|
eval = bsdf_microfacet_multi_ggx_eval_reflect(sc, sd->I, omega_in, pdf, &sd->lcg_state);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID:
|
|
eval = bsdf_microfacet_multi_ggx_glass_eval_reflect(
|
|
sc, sd->I, omega_in, pdf, &sd->lcg_state);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
|
|
case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
|
|
eval = bsdf_microfacet_beckmann_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID:
|
|
eval = bsdf_ashikhmin_shirley_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
|
|
eval = bsdf_ashikhmin_velvet_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_DIFFUSE_TOON_ID:
|
|
eval = bsdf_diffuse_toon_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_GLOSSY_TOON_ID:
|
|
eval = bsdf_glossy_toon_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_HAIR_PRINCIPLED_ID:
|
|
eval = bsdf_principled_hair_eval(kg, sd, sc, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_HAIR_REFLECTION_ID:
|
|
eval = bsdf_hair_reflection_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_HAIR_TRANSMISSION_ID:
|
|
eval = bsdf_hair_transmission_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
# ifdef __PRINCIPLED__
|
|
case CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID:
|
|
eval = bsdf_principled_diffuse_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_PRINCIPLED_SHEEN_ID:
|
|
eval = bsdf_principled_sheen_eval_reflect(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
# endif /* __PRINCIPLED__ */
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
if (CLOSURE_IS_BSDF_DIFFUSE(sc->type)) {
|
|
if (!isequal_float3(sc->N, sd->N)) {
|
|
eval *= bump_shadowing_term(sd->N, sc->N, omega_in);
|
|
}
|
|
}
|
|
/* Shadow terminator offset. */
|
|
const float frequency_multiplier =
|
|
kernel_tex_fetch(__objects, sd->object).shadow_terminator_shading_offset;
|
|
if (frequency_multiplier > 1.0f) {
|
|
eval *= shift_cos_in(dot(omega_in, sc->N), frequency_multiplier);
|
|
}
|
|
}
|
|
else {
|
|
switch (sc->type) {
|
|
case CLOSURE_BSDF_DIFFUSE_ID:
|
|
eval = bsdf_diffuse_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
#ifdef __SVM__
|
|
case CLOSURE_BSDF_OREN_NAYAR_ID:
|
|
eval = bsdf_oren_nayar_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_TRANSLUCENT_ID:
|
|
eval = bsdf_translucent_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_REFLECTION_ID:
|
|
eval = bsdf_reflection_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_REFRACTION_ID:
|
|
eval = bsdf_refraction_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_TRANSPARENT_ID:
|
|
eval = bsdf_transparent_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_GGX_ID:
|
|
case CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID:
|
|
case CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID:
|
|
case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
|
|
eval = bsdf_microfacet_ggx_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID:
|
|
eval = bsdf_microfacet_multi_ggx_eval_transmit(sc, sd->I, omega_in, pdf, &sd->lcg_state);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID:
|
|
eval = bsdf_microfacet_multi_ggx_glass_eval_transmit(
|
|
sc, sd->I, omega_in, pdf, &sd->lcg_state);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
|
|
case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
|
|
eval = bsdf_microfacet_beckmann_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID:
|
|
eval = bsdf_ashikhmin_shirley_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
|
|
eval = bsdf_ashikhmin_velvet_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_DIFFUSE_TOON_ID:
|
|
eval = bsdf_diffuse_toon_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_GLOSSY_TOON_ID:
|
|
eval = bsdf_glossy_toon_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_HAIR_PRINCIPLED_ID:
|
|
eval = bsdf_principled_hair_eval(kg, sd, sc, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_HAIR_REFLECTION_ID:
|
|
eval = bsdf_hair_reflection_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_HAIR_TRANSMISSION_ID:
|
|
eval = bsdf_hair_transmission_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
# ifdef __PRINCIPLED__
|
|
case CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID:
|
|
eval = bsdf_principled_diffuse_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
case CLOSURE_BSDF_PRINCIPLED_SHEEN_ID:
|
|
eval = bsdf_principled_sheen_eval_transmit(sc, sd->I, omega_in, pdf);
|
|
break;
|
|
# endif /* __PRINCIPLED__ */
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
if (CLOSURE_IS_BSDF_DIFFUSE(sc->type)) {
|
|
if (!isequal_float3(sc->N, sd->N)) {
|
|
eval *= bump_shadowing_term(-sd->N, sc->N, omega_in);
|
|
}
|
|
}
|
|
}
|
|
|
|
return eval;
|
|
}
|
|
|
|
ccl_device void bsdf_blur(const KernelGlobals *kg, ShaderClosure *sc, float roughness)
|
|
{
|
|
/* TODO: do we want to blur volume closures? */
|
|
#ifdef __SVM__
|
|
switch (sc->type) {
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID:
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
|
|
case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID:
|
|
bsdf_microfacet_multi_ggx_blur(sc, roughness);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_GGX_ID:
|
|
case CLOSURE_BSDF_MICROFACET_GGX_FRESNEL_ID:
|
|
case CLOSURE_BSDF_MICROFACET_GGX_CLEARCOAT_ID:
|
|
case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
|
|
bsdf_microfacet_ggx_blur(sc, roughness);
|
|
break;
|
|
case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
|
|
case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
|
|
bsdf_microfacet_beckmann_blur(sc, roughness);
|
|
break;
|
|
case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID:
|
|
bsdf_ashikhmin_shirley_blur(sc, roughness);
|
|
break;
|
|
case CLOSURE_BSDF_HAIR_PRINCIPLED_ID:
|
|
bsdf_principled_hair_blur(sc, roughness);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
CCL_NAMESPACE_END
|