diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bsdf.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf.h | 1015 |
1 files changed, 617 insertions, 398 deletions
diff --git a/intern/cycles/kernel/closure/bsdf.h b/intern/cycles/kernel/closure/bsdf.h index 3a9629ea9d7..5e26f90a878 100644 --- a/intern/cycles/kernel/closure/bsdf.h +++ b/intern/cycles/kernel/closure/bsdf.h @@ -39,38 +39,38 @@ CCL_NAMESPACE_BEGIN * 0 for singular closures and 1 otherwise. */ ccl_device_inline float bsdf_get_specular_roughness_squared(const ShaderClosure *sc) { - if(CLOSURE_IS_BSDF_SINGULAR(sc->type)) { - return 0.0f; - } + if (CLOSURE_IS_BSDF_SINGULAR(sc->type)) { + return 0.0f; + } - if(CLOSURE_IS_BSDF_MICROFACET(sc->type)) { - MicrofacetBsdf *bsdf = (MicrofacetBsdf*)sc; - return bsdf->alpha_x*bsdf->alpha_y; - } + if (CLOSURE_IS_BSDF_MICROFACET(sc->type)) { + MicrofacetBsdf *bsdf = (MicrofacetBsdf *)sc; + return bsdf->alpha_x * bsdf->alpha_y; + } - return 1.0f; + return 1.0f; } ccl_device_inline float bsdf_get_roughness_squared(const ShaderClosure *sc) { - /* This version includes diffuse, mainly for baking Principled BSDF - * where specular and metallic zero otherwise does not bake the - * specified roughness parameter. */ - if(sc->type == CLOSURE_BSDF_OREN_NAYAR_ID) { - OrenNayarBsdf *bsdf = (OrenNayarBsdf*)sc; - return sqr(sqr(bsdf->roughness)); - } + /* This version includes diffuse, mainly for baking Principled BSDF + * where specular and metallic zero otherwise does not bake the + * specified roughness parameter. */ + if (sc->type == CLOSURE_BSDF_OREN_NAYAR_ID) { + OrenNayarBsdf *bsdf = (OrenNayarBsdf *)sc; + return sqr(sqr(bsdf->roughness)); + } - if(sc->type == CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID) { - PrincipledDiffuseBsdf *bsdf = (PrincipledDiffuseBsdf*)sc; - return sqr(sqr(bsdf->roughness)); - } + if (sc->type == CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID) { + PrincipledDiffuseBsdf *bsdf = (PrincipledDiffuseBsdf *)sc; + return sqr(sqr(bsdf->roughness)); + } - if(CLOSURE_IS_BSDF_DIFFUSE(sc->type)) { - return 0.0f; - } + if (CLOSURE_IS_BSDF_DIFFUSE(sc->type)) { + return 0.0f; + } - return bsdf_get_specular_roughness_squared(sc); + return bsdf_get_specular_roughness_squared(sc); } ccl_device_inline int bsdf_sample(KernelGlobals *kg, @@ -83,133 +83,349 @@ ccl_device_inline int bsdf_sample(KernelGlobals *kg, differential3 *domega_in, float *pdf) { - int label; + int label; - switch(sc->type) { - case CLOSURE_BSDF_DIFFUSE_ID: - case CLOSURE_BSDF_BSSRDF_ID: - label = bsdf_diffuse_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; + switch (sc->type) { + case CLOSURE_BSDF_DIFFUSE_ID: + case CLOSURE_BSDF_BSSRDF_ID: + label = bsdf_diffuse_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; #ifdef __SVM__ - case CLOSURE_BSDF_OREN_NAYAR_ID: - label = bsdf_oren_nayar_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; -#ifdef __OSL__ - case CLOSURE_BSDF_PHONG_RAMP_ID: - label = bsdf_phong_ramp_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_DIFFUSE_RAMP_ID: - label = bsdf_diffuse_ramp_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; -#endif - case CLOSURE_BSDF_TRANSLUCENT_ID: - label = bsdf_translucent_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_REFLECTION_ID: - label = bsdf_reflection_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_REFRACTION_ID: - label = bsdf_refraction_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_TRANSPARENT_ID: - label = bsdf_transparent_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, 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_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_ID: - case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID: - label = bsdf_microfacet_ggx_sample(kg, sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID: - case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID: - label = bsdf_microfacet_multi_ggx_sample(kg, sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf, &sd->lcg_state); - break; - case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID: - case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID: - label = bsdf_microfacet_multi_ggx_glass_sample(kg, sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf, &sd->lcg_state); - break; - case CLOSURE_BSDF_MICROFACET_BECKMANN_ID: - case CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID: - label = bsdf_microfacet_beckmann_sample(kg, sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID: - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID: - label = bsdf_ashikhmin_shirley_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID: - label = bsdf_ashikhmin_velvet_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_DIFFUSE_TOON_ID: - label = bsdf_diffuse_toon_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_GLOSSY_TOON_ID: - label = bsdf_glossy_toon_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_HAIR_REFLECTION_ID: - label = bsdf_hair_reflection_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_HAIR_TRANSMISSION_ID: - label = bsdf_hair_transmission_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_HAIR_PRINCIPLED_ID: - label = bsdf_principled_hair_sample(kg, sc, sd, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; -#ifdef __PRINCIPLED__ - case CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID: - case CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID: - label = bsdf_principled_diffuse_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; - case CLOSURE_BSDF_PRINCIPLED_SHEEN_ID: - label = bsdf_principled_sheen_sample(sc, sd->Ng, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, - eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; -#endif /* __PRINCIPLED__ */ + case CLOSURE_BSDF_OREN_NAYAR_ID: + label = bsdf_oren_nayar_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; +# ifdef __OSL__ + case CLOSURE_BSDF_PHONG_RAMP_ID: + label = bsdf_phong_ramp_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_DIFFUSE_RAMP_ID: + label = bsdf_diffuse_ramp_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; +# endif + case CLOSURE_BSDF_TRANSLUCENT_ID: + label = bsdf_translucent_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_REFLECTION_ID: + label = bsdf_reflection_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_REFRACTION_ID: + label = bsdf_refraction_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_TRANSPARENT_ID: + label = bsdf_transparent_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + 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_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_ID: + case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID: + label = bsdf_microfacet_ggx_sample(kg, + sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID: + case CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID: + label = bsdf_microfacet_multi_ggx_sample(kg, + sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf, + &sd->lcg_state); + break; + case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID: + case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID: + label = bsdf_microfacet_multi_ggx_glass_sample(kg, + sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf, + &sd->lcg_state); + break; + case CLOSURE_BSDF_MICROFACET_BECKMANN_ID: + case CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID: + label = bsdf_microfacet_beckmann_sample(kg, + sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID: + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID: + label = bsdf_ashikhmin_shirley_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID: + label = bsdf_ashikhmin_velvet_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_DIFFUSE_TOON_ID: + label = bsdf_diffuse_toon_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_GLOSSY_TOON_ID: + label = bsdf_glossy_toon_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_HAIR_REFLECTION_ID: + label = bsdf_hair_reflection_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_HAIR_TRANSMISSION_ID: + label = bsdf_hair_transmission_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_HAIR_PRINCIPLED_ID: + label = bsdf_principled_hair_sample( + kg, sc, sd, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); + break; +# ifdef __PRINCIPLED__ + case CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID: + case CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID: + label = bsdf_principled_diffuse_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; + case CLOSURE_BSDF_PRINCIPLED_SHEEN_ID: + label = bsdf_principled_sheen_sample(sc, + sd->Ng, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; +# endif /* __PRINCIPLED__ */ #endif #ifdef __VOLUME__ - case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: - label = volume_henyey_greenstein_sample(sc, sd->I, sd->dI.dx, sd->dI.dy, randu, randv, eval, omega_in, &domega_in->dx, &domega_in->dy, pdf); - break; + case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: + label = volume_henyey_greenstein_sample(sc, + sd->I, + sd->dI.dx, + sd->dI.dy, + randu, + randv, + eval, + omega_in, + &domega_in->dx, + &domega_in->dy, + pdf); + break; #endif - default: - label = LABEL_NONE; - break; - } + default: + label = LABEL_NONE; + break; + } - /* Test if BSDF sample should be treated as transparent for background. */ - if(label & LABEL_TRANSMIT) { - float threshold_squared = kernel_data.background.transparent_roughness_squared_threshold; + /* Test if BSDF sample should be treated as transparent for background. */ + if (label & LABEL_TRANSMIT) { + float threshold_squared = kernel_data.background.transparent_roughness_squared_threshold; - if(threshold_squared >= 0.0f) { - if(bsdf_get_specular_roughness_squared(sc) <= threshold_squared) { - label |= LABEL_TRANSMIT_TRANSPARENT; - } - } - } + if (threshold_squared >= 0.0f) { + if (bsdf_get_specular_roughness_squared(sc) <= threshold_squared) { + label |= LABEL_TRANSMIT_TRANSPARENT; + } + } + } - return label; + return label; } #ifndef __KERNEL_CUDA__ @@ -217,285 +433,288 @@ ccl_device #else ccl_device_inline #endif -float3 bsdf_eval(KernelGlobals *kg, - ShaderData *sd, - const ShaderClosure *sc, - const float3 omega_in, - float *pdf) + float3 + bsdf_eval(KernelGlobals *kg, + ShaderData *sd, + const ShaderClosure *sc, + const float3 omega_in, + float *pdf) { - float3 eval; + float3 eval; - if(dot(sd->Ng, omega_in) >= 0.0f) { - switch(sc->type) { - case CLOSURE_BSDF_DIFFUSE_ID: - case CLOSURE_BSDF_BSSRDF_ID: - eval = bsdf_diffuse_eval_reflect(sc, sd->I, omega_in, pdf); - break; + if (dot(sd->Ng, omega_in) >= 0.0f) { + switch (sc->type) { + case CLOSURE_BSDF_DIFFUSE_ID: + case CLOSURE_BSDF_BSSRDF_ID: + eval = bsdf_diffuse_eval_reflect(sc, sd->I, omega_in, pdf); + break; #ifdef __SVM__ - case CLOSURE_BSDF_OREN_NAYAR_ID: - eval = bsdf_oren_nayar_eval_reflect(sc, sd->I, omega_in, pdf); - break; -#ifdef __OSL__ - case CLOSURE_BSDF_PHONG_RAMP_ID: - eval = bsdf_phong_ramp_eval_reflect(sc, sd->I, omega_in, pdf); - break; - case CLOSURE_BSDF_DIFFUSE_RAMP_ID: - eval = bsdf_diffuse_ramp_eval_reflect(sc, sd->I, omega_in, pdf); - break; -#endif - case CLOSURE_BSDF_TRANSLUCENT_ID: - eval = bsdf_translucent_eval_reflect(sc, sd->I, omega_in, pdf); - break; - case CLOSURE_BSDF_REFLECTION_ID: - eval = bsdf_reflection_eval_reflect(sc, sd->I, omega_in, pdf); - break; - case CLOSURE_BSDF_REFRACTION_ID: - eval = bsdf_refraction_eval_reflect(sc, sd->I, omega_in, pdf); - break; - case CLOSURE_BSDF_TRANSPARENT_ID: - eval = bsdf_transparent_eval_reflect(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_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_ID: - case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID: - eval = bsdf_microfacet_ggx_eval_reflect(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_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_ANISO_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: - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_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: - case CLOSURE_BSDF_BSSRDF_PRINCIPLED_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__ */ + case CLOSURE_BSDF_OREN_NAYAR_ID: + eval = bsdf_oren_nayar_eval_reflect(sc, sd->I, omega_in, pdf); + break; +# ifdef __OSL__ + case CLOSURE_BSDF_PHONG_RAMP_ID: + eval = bsdf_phong_ramp_eval_reflect(sc, sd->I, omega_in, pdf); + break; + case CLOSURE_BSDF_DIFFUSE_RAMP_ID: + eval = bsdf_diffuse_ramp_eval_reflect(sc, sd->I, omega_in, pdf); + break; +# endif + case CLOSURE_BSDF_TRANSLUCENT_ID: + eval = bsdf_translucent_eval_reflect(sc, sd->I, omega_in, pdf); + break; + case CLOSURE_BSDF_REFLECTION_ID: + eval = bsdf_reflection_eval_reflect(sc, sd->I, omega_in, pdf); + break; + case CLOSURE_BSDF_REFRACTION_ID: + eval = bsdf_refraction_eval_reflect(sc, sd->I, omega_in, pdf); + break; + case CLOSURE_BSDF_TRANSPARENT_ID: + eval = bsdf_transparent_eval_reflect(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_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_ID: + case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID: + eval = bsdf_microfacet_ggx_eval_reflect(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_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_ANISO_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: + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_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: + case CLOSURE_BSDF_BSSRDF_PRINCIPLED_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 #ifdef __VOLUME__ - case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: - eval = volume_henyey_greenstein_eval_phase(sc, sd->I, omega_in, pdf); - break; + case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: + eval = volume_henyey_greenstein_eval_phase(sc, sd->I, omega_in, pdf); + break; #endif - default: - eval = make_float3(0.0f, 0.0f, 0.0f); - break; - } - } - else { - switch(sc->type) { - case CLOSURE_BSDF_DIFFUSE_ID: - case CLOSURE_BSDF_BSSRDF_ID: - eval = bsdf_diffuse_eval_transmit(sc, sd->I, omega_in, pdf); - break; + default: + eval = make_float3(0.0f, 0.0f, 0.0f); + break; + } + } + else { + switch (sc->type) { + case CLOSURE_BSDF_DIFFUSE_ID: + case CLOSURE_BSDF_BSSRDF_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_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_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_ANISO_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: - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_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: - case CLOSURE_BSDF_BSSRDF_PRINCIPLED_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__ */ + 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_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_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_ANISO_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: + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_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: + case CLOSURE_BSDF_BSSRDF_PRINCIPLED_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 #ifdef __VOLUME__ - case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: - eval = volume_henyey_greenstein_eval_phase(sc, sd->I, omega_in, pdf); - break; + case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: + eval = volume_henyey_greenstein_eval_phase(sc, sd->I, omega_in, pdf); + break; #endif - default: - eval = make_float3(0.0f, 0.0f, 0.0f); - break; - } - } + default: + eval = make_float3(0.0f, 0.0f, 0.0f); + break; + } + } - return eval; + return eval; } ccl_device void bsdf_blur(KernelGlobals *kg, ShaderClosure *sc, float roughness) { - /* ToDo: do we want to blur volume closures? */ + /* 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_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_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_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID: - bsdf_microfacet_beckmann_blur(sc, roughness); - break; - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID: - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID: - bsdf_ashikhmin_shirley_blur(sc, roughness); - break; - case CLOSURE_BSDF_HAIR_PRINCIPLED_ID: - bsdf_principled_hair_blur(sc, roughness); - break; - default: - break; - } + 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_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_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_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID: + bsdf_microfacet_beckmann_blur(sc, roughness); + break; + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID: + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_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_device bool bsdf_merge(ShaderClosure *a, ShaderClosure *b) { #ifdef __SVM__ - switch(a->type) { - case CLOSURE_BSDF_TRANSPARENT_ID: - return true; - case CLOSURE_BSDF_DIFFUSE_ID: - case CLOSURE_BSDF_BSSRDF_ID: - case CLOSURE_BSDF_TRANSLUCENT_ID: - return bsdf_diffuse_merge(a, b); - case CLOSURE_BSDF_OREN_NAYAR_ID: - return bsdf_oren_nayar_merge(a, b); - case CLOSURE_BSDF_REFLECTION_ID: - case CLOSURE_BSDF_REFRACTION_ID: - 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_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_ID: - case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID: - 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: - case CLOSURE_BSDF_MICROFACET_BECKMANN_ID: - case CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID: - case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID: - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID: - case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID: - return bsdf_microfacet_merge(a, b); - case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID: - return bsdf_ashikhmin_velvet_merge(a, b); - case CLOSURE_BSDF_DIFFUSE_TOON_ID: - case CLOSURE_BSDF_GLOSSY_TOON_ID: - return bsdf_toon_merge(a, b); - case CLOSURE_BSDF_HAIR_REFLECTION_ID: - case CLOSURE_BSDF_HAIR_TRANSMISSION_ID: - return bsdf_hair_merge(a, b); -#ifdef __PRINCIPLED__ - case CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID: - case CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID: - return bsdf_principled_diffuse_merge(a, b); -#endif -#ifdef __VOLUME__ - case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: - return volume_henyey_greenstein_merge(a, b); -#endif - default: - return false; - } + switch (a->type) { + case CLOSURE_BSDF_TRANSPARENT_ID: + return true; + case CLOSURE_BSDF_DIFFUSE_ID: + case CLOSURE_BSDF_BSSRDF_ID: + case CLOSURE_BSDF_TRANSLUCENT_ID: + return bsdf_diffuse_merge(a, b); + case CLOSURE_BSDF_OREN_NAYAR_ID: + return bsdf_oren_nayar_merge(a, b); + case CLOSURE_BSDF_REFLECTION_ID: + case CLOSURE_BSDF_REFRACTION_ID: + 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_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_GGX_ANISO_FRESNEL_ID: + case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID: + 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: + case CLOSURE_BSDF_MICROFACET_BECKMANN_ID: + case CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID: + case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID: + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ID: + case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID: + return bsdf_microfacet_merge(a, b); + case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID: + return bsdf_ashikhmin_velvet_merge(a, b); + case CLOSURE_BSDF_DIFFUSE_TOON_ID: + case CLOSURE_BSDF_GLOSSY_TOON_ID: + return bsdf_toon_merge(a, b); + case CLOSURE_BSDF_HAIR_REFLECTION_ID: + case CLOSURE_BSDF_HAIR_TRANSMISSION_ID: + return bsdf_hair_merge(a, b); +# ifdef __PRINCIPLED__ + case CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID: + case CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID: + return bsdf_principled_diffuse_merge(a, b); +# endif +# ifdef __VOLUME__ + case CLOSURE_VOLUME_HENYEY_GREENSTEIN_ID: + return volume_henyey_greenstein_merge(a, b); +# endif + default: + return false; + } #else - return false; + return false; #endif } |