diff options
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_microfacet.h | 18 | ||||
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_microfacet_multi.h | 18 | ||||
| -rw-r--r-- | intern/cycles/kernel/osl/osl_closures.cpp | 12 | ||||
| -rw-r--r-- | intern/cycles/kernel/svm/svm_closure.h | 10 |
4 files changed, 41 insertions, 17 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_microfacet.h b/intern/cycles/kernel/closure/bsdf_microfacet.h index 30cc8b90330..b12e248f0a3 100644 --- a/intern/cycles/kernel/closure/bsdf_microfacet.h +++ b/intern/cycles/kernel/closure/bsdf_microfacet.h @@ -288,12 +288,16 @@ ccl_device int bsdf_microfacet_ggx_setup(MicrofacetBsdf *bsdf) return SD_BSDF|SD_BSDF_HAS_EVAL; } -ccl_device int bsdf_microfacet_ggx_fresnel_setup(MicrofacetBsdf *bsdf) +ccl_device int bsdf_microfacet_ggx_fresnel_setup(MicrofacetBsdf *bsdf, const ShaderData *sd) { bsdf->extra->cspec0.x = saturate(bsdf->extra->cspec0.x); bsdf->extra->cspec0.y = saturate(bsdf->extra->cspec0.y); bsdf->extra->cspec0.z = saturate(bsdf->extra->cspec0.z); + float F0 = fresnel_dielectric_cos(1.0f, bsdf->ior); + float F = average(interpolate_fresnel_color(sd->I, bsdf->N, bsdf->ior, F0, bsdf->extra->cspec0)); + bsdf->sample_weight *= F; + bsdf->alpha_x = saturate(bsdf->alpha_x); bsdf->alpha_y = bsdf->alpha_x; @@ -302,12 +306,16 @@ ccl_device int bsdf_microfacet_ggx_fresnel_setup(MicrofacetBsdf *bsdf) return SD_BSDF|SD_BSDF_HAS_EVAL; } -ccl_device int bsdf_microfacet_ggx_clearcoat_setup(MicrofacetBsdf *bsdf) +ccl_device int bsdf_microfacet_ggx_clearcoat_setup(MicrofacetBsdf *bsdf, const ShaderData *sd) { bsdf->extra->cspec0.x = saturate(bsdf->extra->cspec0.x); bsdf->extra->cspec0.y = saturate(bsdf->extra->cspec0.y); bsdf->extra->cspec0.z = saturate(bsdf->extra->cspec0.z); + float F0 = fresnel_dielectric_cos(1.0f, bsdf->ior); + float F = average(interpolate_fresnel_color(sd->I, bsdf->N, bsdf->ior, F0, bsdf->extra->cspec0)); + bsdf->sample_weight *= 0.25f * bsdf->extra->clearcoat * F; + bsdf->alpha_x = saturate(bsdf->alpha_x); bsdf->alpha_y = bsdf->alpha_x; @@ -343,12 +351,16 @@ ccl_device int bsdf_microfacet_ggx_aniso_setup(MicrofacetBsdf *bsdf) return SD_BSDF|SD_BSDF_HAS_EVAL; } -ccl_device int bsdf_microfacet_ggx_aniso_fresnel_setup(MicrofacetBsdf *bsdf) +ccl_device int bsdf_microfacet_ggx_aniso_fresnel_setup(MicrofacetBsdf *bsdf, const ShaderData *sd) { bsdf->extra->cspec0.x = saturate(bsdf->extra->cspec0.x); bsdf->extra->cspec0.y = saturate(bsdf->extra->cspec0.y); bsdf->extra->cspec0.z = saturate(bsdf->extra->cspec0.z); + float F0 = fresnel_dielectric_cos(1.0f, bsdf->ior); + float F = average(interpolate_fresnel_color(sd->I, bsdf->N, bsdf->ior, F0, bsdf->extra->cspec0)); + bsdf->sample_weight *= F; + bsdf->alpha_x = saturate(bsdf->alpha_x); bsdf->alpha_y = saturate(bsdf->alpha_y); diff --git a/intern/cycles/kernel/closure/bsdf_microfacet_multi.h b/intern/cycles/kernel/closure/bsdf_microfacet_multi.h index 165666d5368..22d0092093a 100644 --- a/intern/cycles/kernel/closure/bsdf_microfacet_multi.h +++ b/intern/cycles/kernel/closure/bsdf_microfacet_multi.h @@ -360,13 +360,17 @@ ccl_device int bsdf_microfacet_multi_ggx_aniso_setup(MicrofacetBsdf *bsdf) return bsdf_microfacet_multi_ggx_common_setup(bsdf); } -ccl_device int bsdf_microfacet_multi_ggx_aniso_fresnel_setup(MicrofacetBsdf *bsdf) +ccl_device int bsdf_microfacet_multi_ggx_aniso_fresnel_setup(MicrofacetBsdf *bsdf, const ShaderData *sd) { if(is_zero(bsdf->T)) bsdf->T = make_float3(1.0f, 0.0f, 0.0f); bsdf->type = CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID; + float F0 = fresnel_dielectric_cos(1.0f, bsdf->ior); + float F = average(interpolate_fresnel_color(sd->I, bsdf->N, bsdf->ior, F0, bsdf->extra->cspec0)); + bsdf->sample_weight *= F; + return bsdf_microfacet_multi_ggx_common_setup(bsdf); } @@ -379,12 +383,16 @@ ccl_device int bsdf_microfacet_multi_ggx_setup(MicrofacetBsdf *bsdf) return bsdf_microfacet_multi_ggx_common_setup(bsdf); } -ccl_device int bsdf_microfacet_multi_ggx_fresnel_setup(MicrofacetBsdf *bsdf) +ccl_device int bsdf_microfacet_multi_ggx_fresnel_setup(MicrofacetBsdf *bsdf, const ShaderData *sd) { bsdf->alpha_y = bsdf->alpha_x; bsdf->type = CLOSURE_BSDF_MICROFACET_MULTI_GGX_FRESNEL_ID; + float F0 = fresnel_dielectric_cos(1.0f, bsdf->ior); + float F = average(interpolate_fresnel_color(sd->I, bsdf->N, bsdf->ior, F0, bsdf->extra->cspec0)); + bsdf->sample_weight *= F; + return bsdf_microfacet_multi_ggx_common_setup(bsdf); } @@ -489,7 +497,7 @@ ccl_device int bsdf_microfacet_multi_ggx_glass_setup(MicrofacetBsdf *bsdf) return SD_BSDF|SD_BSDF_HAS_EVAL|SD_BSDF_NEEDS_LCG; } -ccl_device int bsdf_microfacet_multi_ggx_glass_fresnel_setup(MicrofacetBsdf *bsdf) +ccl_device int bsdf_microfacet_multi_ggx_glass_fresnel_setup(MicrofacetBsdf *bsdf, const ShaderData *sd) { bsdf->alpha_x = clamp(bsdf->alpha_x, 1e-4f, 1.0f); bsdf->alpha_y = bsdf->alpha_x; @@ -503,6 +511,10 @@ ccl_device int bsdf_microfacet_multi_ggx_glass_fresnel_setup(MicrofacetBsdf *bsd bsdf->type = CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID; + float F0 = fresnel_dielectric_cos(1.0f, bsdf->ior); + float F = average(interpolate_fresnel_color(sd->I, bsdf->N, bsdf->ior, F0, bsdf->extra->cspec0)); + bsdf->sample_weight *= F; + return SD_BSDF|SD_BSDF_HAS_EVAL|SD_BSDF_NEEDS_LCG; } diff --git a/intern/cycles/kernel/osl/osl_closures.cpp b/intern/cycles/kernel/osl/osl_closures.cpp index f76fc0d6fea..2f0897434ec 100644 --- a/intern/cycles/kernel/osl/osl_closures.cpp +++ b/intern/cycles/kernel/osl/osl_closures.cpp @@ -217,7 +217,7 @@ public: void setup(ShaderData *sd, int path_flag, float3 weight) { MicrofacetBsdf *bsdf = alloc(sd, path_flag, weight); - sd->flag |= (bsdf) ? bsdf_microfacet_ggx_clearcoat_setup(bsdf) : 0; + sd->flag |= (bsdf) ? bsdf_microfacet_ggx_clearcoat_setup(bsdf, sd) : 0; } }; @@ -389,7 +389,7 @@ public: void setup(ShaderData *sd, int path_flag, float3 weight) { MicrofacetBsdf *bsdf = alloc(sd, path_flag, weight); - sd->flag |= (bsdf) ? bsdf_microfacet_ggx_fresnel_setup(bsdf) : 0; + sd->flag |= (bsdf) ? bsdf_microfacet_ggx_fresnel_setup(bsdf, sd) : 0; } }; @@ -413,7 +413,7 @@ public: void setup(ShaderData *sd, int path_flag, float3 weight) { MicrofacetBsdf *bsdf = alloc(sd, path_flag, weight); - sd->flag |= (bsdf) ? bsdf_microfacet_ggx_aniso_fresnel_setup(bsdf) : 0; + sd->flag |= (bsdf) ? bsdf_microfacet_ggx_aniso_fresnel_setup(bsdf, sd) : 0; } }; @@ -566,7 +566,7 @@ public: void setup(ShaderData *sd, int path_flag, float3 weight) { MicrofacetBsdf *bsdf = alloc(sd, path_flag, weight); - sd->flag |= (bsdf) ? bsdf_microfacet_multi_ggx_fresnel_setup(bsdf) : 0; + sd->flag |= (bsdf) ? bsdf_microfacet_multi_ggx_fresnel_setup(bsdf, sd) : 0; } }; @@ -590,7 +590,7 @@ public: void setup(ShaderData *sd, int path_flag, float3 weight) { MicrofacetBsdf *bsdf = alloc(sd, path_flag, weight); - sd->flag |= (bsdf) ? bsdf_microfacet_multi_ggx_aniso_fresnel_setup(bsdf) : 0; + sd->flag |= (bsdf) ? bsdf_microfacet_multi_ggx_aniso_fresnel_setup(bsdf, sd) : 0; } }; @@ -618,7 +618,7 @@ public: void setup(ShaderData *sd, int path_flag, float3 weight) { MicrofacetBsdf *bsdf = alloc(sd, path_flag, weight); - sd->flag |= (bsdf) ? bsdf_microfacet_multi_ggx_glass_fresnel_setup(bsdf) : 0; + sd->flag |= (bsdf) ? bsdf_microfacet_multi_ggx_glass_fresnel_setup(bsdf, sd) : 0; } }; diff --git a/intern/cycles/kernel/svm/svm_closure.h b/intern/cycles/kernel/svm/svm_closure.h index c05da61ba5a..844245ee2d4 100644 --- a/intern/cycles/kernel/svm/svm_closure.h +++ b/intern/cycles/kernel/svm/svm_closure.h @@ -292,9 +292,9 @@ ccl_device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float * /* setup bsdf */ if(distribution == CLOSURE_BSDF_MICROFACET_GGX_GLASS_ID || roughness <= 0.075f) /* use single-scatter GGX */ - sd->flag |= bsdf_microfacet_ggx_aniso_fresnel_setup(bsdf); + sd->flag |= bsdf_microfacet_ggx_aniso_fresnel_setup(bsdf, sd); else /* use multi-scatter GGX */ - sd->flag |= bsdf_microfacet_multi_ggx_aniso_fresnel_setup(bsdf); + sd->flag |= bsdf_microfacet_multi_ggx_aniso_fresnel_setup(bsdf, sd); } } #ifdef __CAUSTICS_TRICKS__ @@ -332,7 +332,7 @@ ccl_device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float * bsdf->extra->cspec0 = cspec0; /* setup bsdf */ - sd->flag |= bsdf_microfacet_ggx_fresnel_setup(bsdf); + sd->flag |= bsdf_microfacet_ggx_fresnel_setup(bsdf, sd); } } @@ -377,7 +377,7 @@ ccl_device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float * bsdf->extra->cspec0 = cspec0; /* setup bsdf */ - sd->flag |= bsdf_microfacet_multi_ggx_glass_fresnel_setup(bsdf); + sd->flag |= bsdf_microfacet_multi_ggx_glass_fresnel_setup(bsdf, sd); } } } @@ -405,7 +405,7 @@ ccl_device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float * bsdf->extra->clearcoat = clearcoat; /* setup bsdf */ - sd->flag |= bsdf_microfacet_ggx_clearcoat_setup(bsdf); + sd->flag |= bsdf_microfacet_ggx_clearcoat_setup(bsdf, sd); } } #ifdef __CAUSTICS_TRICKS__ |