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make beckmann + ggx bxdfs typedefs of cooktorrance base, functionality moved into base
1 parent c9f9366 commit fd128e6

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7 files changed

+608
-590
lines changed

7 files changed

+608
-590
lines changed

‎include/nbl/builtin/hlsl/bxdf/cook_torrance_base.hlsl‎

Lines changed: 16 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -96,7 +96,7 @@ struct CookTorranceParams<F,Spectral,true>
9696
}
9797

9898
// N (NDF), F (fresnel)
99-
template<class Config, class N, class F>
99+
template<class Config, class N, class F NBL_PRIMARY_REQUIRES(config_concepts::MicrofacetConfiguration<Config> && ndf::NDF<N> && fresnel::Fresnel<F>)
100100
struct SCookTorrance
101101
{
102102
MICROFACET_BXDF_CONFIG_TYPE_ALIASES(Config);
@@ -109,24 +109,24 @@ struct SCookTorrance
109109
NBL_CONSTEXPR_STATIC_INLINE bool IsAnisotropic = ndf_type::IsAnisotropic;
110110
NBL_CONSTEXPR_STATIC_INLINE bool IsBSDF = ndf_type::IsBSDF;
111111

112-
using create_params_type = impl::CookTorranceParams<fresnel_type, spectral_type, IsAnisotropic>;
112+
using creation_params_type = impl::CookTorranceParams<fresnel_type, spectral_type, IsAnisotropic>;
113113

114114
template<typename C=bool_constant<!IsAnisotropic> >
115-
enable_if_t<C::value && !IsAnisotropic, this_t> create(NBL_CONST_REF_ARG(create_params_type) params)
115+
static enable_if_t<C::value && !IsAnisotropic, this_t> create(NBL_CONST_REF_ARG(creation_params_type) params)
116116
{
117117
this_t retval;
118118
retval.ndf = ndf_type::create(params.A);
119119
retval.fresnel = params.fresnel;
120-
retval.luminosityContributionHint = luminosityContributionHint;
120+
retval.luminosityContributionHint = params.luminosityContributionHint;
121121
return retval;
122122
}
123123
template<typename C=bool_constant<IsAnisotropic> >
124-
enable_if_t<C::value && IsAnisotropic, this_t> create(NBL_CONST_REF_ARG(create_params_type) params)
124+
static enable_if_t<C::value && IsAnisotropic, this_t> create(NBL_CONST_REF_ARG(creation_params_type) params)
125125
{
126126
this_t retval;
127127
retval.ndf = ndf_type::create(params.ax, params.ay);
128128
retval.fresnel = params.fresnel;
129-
retval.luminosityContributionHint = luminosityContributionHint;
129+
retval.luminosityContributionHint = params.luminosityContributionHint;
130130
return retval;
131131
}
132132

@@ -166,8 +166,8 @@ struct SCookTorrance
166166
return __eval<anisotropic_interaction_type, anisocache_type>(_sample, interaction, cache);
167167
}
168168

169-
template<typename T NBL_FUNC_REQUIRES(is_same_v<T, vector2_type>)
170-
sample_type generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const T u, NBL_REF_ARG(anisocache_type) cache)
169+
template<typename C=bool_constant<!IsBSDF> >
170+
enable_if_t<C::value && !IsBSDF, sample_type> generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(anisocache_type) cache)
171171
{
172172
const vector3_type localV = interaction.getTangentSpaceV();
173173
const vector3_type localH = ndf.generateH(localV, u);
@@ -179,8 +179,8 @@ struct SCookTorrance
179179

180180
return sample_type::createFromTangentSpace(localL, interaction.getFromTangentSpace());
181181
}
182-
template<typename T NBL_FUNC_REQUIRES(is_same_v<T, vector3_type>)
183-
sample_type generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const T u, NBL_REF_ARG(anisocache_type) cache)
182+
template<typename C=bool_constant<IsBSDF> >
183+
enable_if_t<C::value && IsBSDF, sample_type> generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const vector3_type u, NBL_REF_ARG(anisocache_type) cache)
184184
{
185185
fresnel::OrientedEtaRcps<monochrome_type> rcpEta = fresnel.getOrientedEtaRcps();
186186

@@ -213,19 +213,19 @@ struct SCookTorrance
213213

214214
return sample_type::createFromTangentSpace(localL, interaction.getFromTangentSpace());
215215
}
216-
template<typename T, typename C=bool_constant<!IsAnisotropic> NBL_FUNC_REQUIRES(is_same_v<T, vector2_type>)
217-
enable_if_t<C::value && !IsAnisotropic, sample_type> generate(NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, const T u, NBL_REF_ARG(anisocache_type) cache)
216+
template<typename C=bool_constant<!IsAnisotropic>, typename D=bool_constant<!IsBSDF> >
217+
enable_if_t<C::value && !IsAnisotropic && D::value && !IsBSDF, sample_type> generate(NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(isocache_type) cache)
218218
{
219219
anisocache_type aniso_cache;
220-
sample_type s = generate<T>(anisotropic_interaction_type::create(interaction), u, aniso_cache);
220+
sample_type s = generate(anisotropic_interaction_type::create(interaction), u, aniso_cache);
221221
cache = aniso_cache.iso_cache;
222222
return s;
223223
}
224-
template<typename T, typename C=bool_constant<!IsAnisotropic> NBL_FUNC_REQUIRES(is_same_v<T, vector3_type>)
225-
enable_if_t<C::value && !IsAnisotropic, sample_type> generate(NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, const T u, NBL_REF_ARG(anisocache_type) cache)
224+
template<typename C=bool_constant<!IsAnisotropic>, typename D=bool_constant<IsBSDF> >
225+
enable_if_t<C::value && !IsAnisotropic && D::value && IsBSDF, sample_type> generate(NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, const vector3_type u, NBL_REF_ARG(isocache_type) cache)
226226
{
227227
anisocache_type aniso_cache;
228-
sample_type s = generate<T>(anisotropic_interaction_type::create(interaction), u, aniso_cache);
228+
sample_type s = generate(anisotropic_interaction_type::create(interaction), u, aniso_cache);
229229
cache = aniso_cache.iso_cache;
230230
return s;
231231
}

‎include/nbl/builtin/hlsl/bxdf/ndf/beckmann.hlsl‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -299,7 +299,7 @@ struct Beckmann
299299
NBL_CONSTEXPR_STATIC_INLINE bool RequiredMicrofacetCache = IsAnisotropic ? AnisotropicMicrofacetCache<MicrofacetCache> : ReadableIsotropicMicrofacetCache<MicrofacetCache>;
300300

301301
template<typename C=bool_constant<!IsAnisotropic> >
302-
enable_if_t<C::value && !IsAnisotropic, this_t> create(scalar_type A)
302+
static enable_if_t<C::value && !IsAnisotropic, this_t> create(scalar_type A)
303303
{
304304
this_t retval;
305305
retval.__ndf_base.a2 = A*A;
@@ -308,7 +308,7 @@ struct Beckmann
308308
return retval;
309309
}
310310
template<typename C=bool_constant<IsAnisotropic> >
311-
enable_if_t<C::value && IsAnisotropic, this_t> create(scalar_type ax, scalar_type ay)
311+
static enable_if_t<C::value && IsAnisotropic, this_t> create(scalar_type ax, scalar_type ay)
312312
{
313313
this_t retval;
314314
retval.__ndf_base.ax2 = ax*ax;

‎include/nbl/builtin/hlsl/bxdf/ndf/ggx.hlsl‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -305,7 +305,7 @@ struct GGX
305305
NBL_CONSTEXPR_STATIC_INLINE bool RequiredMicrofacetCache = IsAnisotropic ? AnisotropicMicrofacetCache<MicrofacetCache> : ReadableIsotropicMicrofacetCache<MicrofacetCache>;
306306

307307
template<typename C=bool_constant<!IsAnisotropic> >
308-
enable_if_t<C::value && !IsAnisotropic, this_t> create(scalar_type A)
308+
static enable_if_t<C::value && !IsAnisotropic, this_t> create(scalar_type A)
309309
{
310310
this_t retval;
311311
retval.__ndf_base.a2 = A*A;
@@ -315,7 +315,7 @@ struct GGX
315315
return retval;
316316
}
317317
template<typename C=bool_constant<IsAnisotropic> >
318-
enable_if_t<C::value && IsAnisotropic, this_t> create(scalar_type ax, scalar_type ay)
318+
static enable_if_t<C::value && IsAnisotropic, this_t> create(scalar_type ax, scalar_type ay)
319319
{
320320
this_t retval;
321321
retval.__ndf_base.ax2 = ax*ax;

‎include/nbl/builtin/hlsl/bxdf/reflection/beckmann.hlsl‎

Lines changed: 136 additions & 133 deletions
Original file line numberDiff line numberDiff line change
@@ -19,139 +19,142 @@ namespace bxdf
1919
namespace reflection
2020
{
2121

22-
template<class Config NBL_PRIMARY_REQUIRES(config_concepts::MicrofacetConfiguration<Config>)
23-
struct SBeckmannIsotropic
24-
{
25-
using this_t = SBeckmannIsotropic<Config>;
26-
MICROFACET_BXDF_CONFIG_TYPE_ALIASES(Config);
27-
28-
using ndf_type = ndf::Beckmann<scalar_type, false, ndf::MTT_REFLECT>;
29-
using fresnel_type = fresnel::Conductor<spectral_type>;
30-
31-
struct SCreationParams
32-
{
33-
scalar_type A;
34-
spectral_type eta;
35-
spectral_type etak;
36-
};
37-
using creation_type = SCreationParams;
38-
39-
static this_t create(scalar_type A, NBL_CONST_REF_ARG(spectral_type) eta, NBL_CONST_REF_ARG(spectral_type) etak)
40-
{
41-
this_t retval;
42-
retval.__base.ndf.__ndf_base.a2 = A*A;
43-
retval.__base.ndf.__generate_base.ax = A;
44-
retval.__base.ndf.__generate_base.ay = A;
45-
retval.__base.fresnel.eta = eta;
46-
retval.__base.fresnel.etak2 = etak * etak;
47-
retval.__base.fresnel.etaLen2 = eta * eta + retval.__base.fresnel.etak2;
48-
return retval;
49-
}
50-
static this_t create(NBL_CONST_REF_ARG(creation_type) params)
51-
{
52-
return create(params.A, params.eta, params.etak);
53-
}
54-
55-
spectral_type eval(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, NBL_CONST_REF_ARG(isocache_type) cache)
56-
{
57-
return __base.eval(_sample, interaction, cache);
58-
}
59-
spectral_type eval(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
60-
{
61-
return __base.eval(_sample, interaction.isotropic, cache.iso_cache);
62-
}
63-
64-
sample_type generate(NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(isocache_type) cache)
65-
{
66-
anisocache_type aniso_cache;
67-
sample_type s = __base.template generate<vector2_type>(anisotropic_interaction_type::create(interaction), u, aniso_cache);
68-
cache = aniso_cache.iso_cache;
69-
return s;
70-
}
71-
sample_type generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(anisocache_type) cache)
72-
{
73-
return __base.template generate<vector2_type>(interaction, u, cache);
74-
}
75-
76-
scalar_type pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, NBL_CONST_REF_ARG(isocache_type) cache)
77-
{
78-
return __base.pdf(_sample, interaction, cache);
79-
}
80-
scalar_type pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
81-
{
82-
return __base.pdf(_sample, interaction.isotropic, cache.iso_cache);
83-
}
84-
85-
quotient_pdf_type quotient_and_pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, NBL_CONST_REF_ARG(isocache_type) cache)
86-
{
87-
return __base.quotient_and_pdf(_sample, interaction, cache);
88-
}
89-
quotient_pdf_type quotient_and_pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
90-
{
91-
return __base.quotient_and_pdf(_sample, interaction.isotropic, cache.iso_cache);
92-
}
93-
94-
SCookTorrance<Config, ndf_type, fresnel_type> __base;
95-
};
96-
97-
template<class Config NBL_PRIMARY_REQUIRES(config_concepts::MicrofacetConfiguration<Config>)
98-
struct SBeckmannAnisotropic
99-
{
100-
using this_t = SBeckmannAnisotropic<Config>;
101-
MICROFACET_BXDF_CONFIG_TYPE_ALIASES(Config);
102-
103-
using ndf_type = ndf::Beckmann<scalar_type, true, ndf::MTT_REFLECT>;
104-
using fresnel_type = fresnel::Conductor<spectral_type>;
105-
106-
struct SCreationParams
107-
{
108-
scalar_type ax;
109-
scalar_type ay;
110-
spectral_type eta;
111-
spectral_type etak;
112-
};
113-
using creation_type = SCreationParams;
114-
115-
static this_t create(scalar_type ax, scalar_type ay, NBL_CONST_REF_ARG(spectral_type) eta, NBL_CONST_REF_ARG(spectral_type) etak)
116-
{
117-
this_t retval;
118-
retval.__base.ndf.__ndf_base.ax2 = ax*ax;
119-
retval.__base.ndf.__ndf_base.ay2 = ay*ay;
120-
retval.__base.ndf.__ndf_base.a2 = ax*ay;
121-
retval.__base.ndf.__generate_base.ax = ax;
122-
retval.__base.ndf.__generate_base.ay = ay;
123-
retval.__base.fresnel.eta = eta;
124-
retval.__base.fresnel.etak2 = etak * etak;
125-
retval.__base.fresnel.etaLen2 = eta * eta + retval.__base.fresnel.etak2;
126-
return retval;
127-
}
128-
static this_t create(NBL_CONST_REF_ARG(creation_type) params)
129-
{
130-
return create(params.ax, params.ay, params.eta, params.etak);
131-
}
132-
133-
spectral_type eval(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
134-
{
135-
return __base.eval(_sample, interaction, cache);
136-
}
137-
138-
sample_type generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(anisocache_type) cache)
139-
{
140-
return __base.template generate<vector2_type>(interaction, u, cache);
141-
}
142-
143-
scalar_type pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
144-
{
145-
return __base.pdf(_sample, interaction, cache);
146-
}
147-
148-
quotient_pdf_type quotient_and_pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
149-
{
150-
return __base.quotient_and_pdf(_sample, interaction, cache);
151-
}
152-
153-
SCookTorrance<Config, ndf_type, fresnel_type> __base;
154-
};
22+
template<class Config>
23+
using SBeckmannIsotropic = SCookTorrance<Config, ndf::Beckmann<typename Config::scalar_type, false, ndf::MTT_REFLECT>, fresnel::Conductor<typename Config::spectral_type> >;
24+
25+
template<class Config>
26+
using SBeckmannAnisotropic = SCookTorrance<Config, ndf::Beckmann<typename Config::scalar_type, true, ndf::MTT_REFLECT>, fresnel::Conductor<typename Config::spectral_type> >;
27+
28+
// template<class Config NBL_PRIMARY_REQUIRES(config_concepts::MicrofacetConfiguration<Config>)
29+
// struct SBeckmannIsotropic
30+
// {
31+
// using this_t = SBeckmannIsotropic<Config>;
32+
// MICROFACET_BXDF_CONFIG_TYPE_ALIASES(Config);
33+
34+
// using ndf_type = ndf::Beckmann<scalar_type, false, ndf::MTT_REFLECT>;
35+
// using fresnel_type = fresnel::Conductor<spectral_type>;
36+
37+
// struct SCreationParams
38+
// {
39+
// scalar_type A;
40+
// spectral_type eta;
41+
// spectral_type etak;
42+
// };
43+
// using creation_type = SCreationParams;
44+
45+
// static this_t create(scalar_type A, NBL_CONST_REF_ARG(spectral_type) eta, NBL_CONST_REF_ARG(spectral_type) etak)
46+
// {
47+
// this_t retval;
48+
// retval.__base.ndf.__ndf_base.a2 = A*A;
49+
// retval.__base.ndf.__generate_base.ax = A;
50+
// retval.__base.ndf.__generate_base.ay = A;
51+
// retval.__base.fresnel.eta = eta;
52+
// retval.__base.fresnel.etak2 = etak * etak;
53+
// retval.__base.fresnel.etaLen2 = eta * eta + retval.__base.fresnel.etak2;
54+
// return retval;
55+
// }
56+
// static this_t create(NBL_CONST_REF_ARG(creation_type) params)
57+
// {
58+
// return create(params.A, params.eta, params.etak);
59+
// }
60+
61+
// spectral_type eval(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, NBL_CONST_REF_ARG(isocache_type) cache)
62+
// {
63+
// return __base.eval(_sample, interaction, cache);
64+
// }
65+
// spectral_type eval(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
66+
// {
67+
// return __base.eval(_sample, interaction.isotropic, cache.iso_cache);
68+
// }
69+
70+
// sample_type generate(NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(isocache_type) cache)
71+
// {
72+
// return __base.generate(interaction, u, cache);
73+
// }
74+
// sample_type generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(anisocache_type) cache)
75+
// {
76+
// return __base.generate(interaction, u, cache);
77+
// }
78+
79+
// scalar_type pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, NBL_CONST_REF_ARG(isocache_type) cache)
80+
// {
81+
// return __base.pdf(_sample, interaction, cache);
82+
// }
83+
// scalar_type pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
84+
// {
85+
// return __base.pdf(_sample, interaction.isotropic, cache.iso_cache);
86+
// }
87+
88+
// quotient_pdf_type quotient_and_pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(isotropic_interaction_type) interaction, NBL_CONST_REF_ARG(isocache_type) cache)
89+
// {
90+
// return __base.quotient_and_pdf(_sample, interaction, cache);
91+
// }
92+
// quotient_pdf_type quotient_and_pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
93+
// {
94+
// return __base.quotient_and_pdf(_sample, interaction.isotropic, cache.iso_cache);
95+
// }
96+
97+
// SCookTorrance<Config, ndf_type, fresnel_type> __base;
98+
// };
99+
100+
// template<class Config NBL_PRIMARY_REQUIRES(config_concepts::MicrofacetConfiguration<Config>)
101+
// struct SBeckmannAnisotropic
102+
// {
103+
// using this_t = SBeckmannAnisotropic<Config>;
104+
// MICROFACET_BXDF_CONFIG_TYPE_ALIASES(Config);
105+
106+
// using ndf_type = ndf::Beckmann<scalar_type, true, ndf::MTT_REFLECT>;
107+
// using fresnel_type = fresnel::Conductor<spectral_type>;
108+
109+
// struct SCreationParams
110+
// {
111+
// scalar_type ax;
112+
// scalar_type ay;
113+
// spectral_type eta;
114+
// spectral_type etak;
115+
// };
116+
// using creation_type = SCreationParams;
117+
118+
// static this_t create(scalar_type ax, scalar_type ay, NBL_CONST_REF_ARG(spectral_type) eta, NBL_CONST_REF_ARG(spectral_type) etak)
119+
// {
120+
// this_t retval;
121+
// retval.__base.ndf.__ndf_base.ax2 = ax*ax;
122+
// retval.__base.ndf.__ndf_base.ay2 = ay*ay;
123+
// retval.__base.ndf.__ndf_base.a2 = ax*ay;
124+
// retval.__base.ndf.__generate_base.ax = ax;
125+
// retval.__base.ndf.__generate_base.ay = ay;
126+
// retval.__base.fresnel.eta = eta;
127+
// retval.__base.fresnel.etak2 = etak * etak;
128+
// retval.__base.fresnel.etaLen2 = eta * eta + retval.__base.fresnel.etak2;
129+
// return retval;
130+
// }
131+
// static this_t create(NBL_CONST_REF_ARG(creation_type) params)
132+
// {
133+
// return create(params.ax, params.ay, params.eta, params.etak);
134+
// }
135+
136+
// spectral_type eval(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
137+
// {
138+
// return __base.eval(_sample, interaction, cache);
139+
// }
140+
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// sample_type generate(NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, const vector2_type u, NBL_REF_ARG(anisocache_type) cache)
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// {
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// return __base.generate(interaction, u, cache);
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// }
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// scalar_type pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
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// {
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// return __base.pdf(_sample, interaction, cache);
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// }
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// quotient_pdf_type quotient_and_pdf(NBL_CONST_REF_ARG(sample_type) _sample, NBL_CONST_REF_ARG(anisotropic_interaction_type) interaction, NBL_CONST_REF_ARG(anisocache_type) cache)
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// {
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// return __base.quotient_and_pdf(_sample, interaction, cache);
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// }
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// SCookTorrance<Config, ndf_type, fresnel_type> __base;
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// };
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}
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