diff options
| author | Campbell Barton <campbell@blender.org> | 2022-05-11 09:34:22 +0300 |
|---|---|---|
| committer | Campbell Barton <campbell@blender.org> | 2022-05-11 09:34:22 +0300 |
| commit | 87d74d03bf83e4407e499b8069f9033158d5dfaf (patch) | |
| tree | 4cc1eb21a0681cd6a8311b1e7c68a6b36c7c4f17 | |
| parent | 8e476c414c854a3da82a81f3806717c8ff0672ed (diff) | |
| parent | dc55e095e6f2836c65f83c9b1bad2f7d9d98022d (diff) | |
Merge branch 'blender-v3.2-release'
| -rw-r--r-- | intern/cycles/kernel/integrator/mnee.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/intern/cycles/kernel/integrator/mnee.h b/intern/cycles/kernel/integrator/mnee.h index 455d15b28c2..7820d71f15c 100644 --- a/intern/cycles/kernel/integrator/mnee.h +++ b/intern/cycles/kernel/integrator/mnee.h @@ -1026,7 +1026,9 @@ ccl_device_forceinline int kernel_path_mnee_sample(KernelGlobals kg, if (bsdf->type == CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID || bsdf->type == CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID || bsdf->type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID || - bsdf->type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID) { + bsdf->type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID || + bsdf->type == CLOSURE_BSDF_REFRACTION_ID || + bsdf->type == CLOSURE_BSDF_SHARP_GLASS_ID) { /* Note that CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID and * CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID are treated as * CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID further below. */ @@ -1038,11 +1040,14 @@ ccl_device_forceinline int kernel_path_mnee_sample(KernelGlobals kg, const float eta = (sd_mnee->flag & SD_BACKFACING) ? 1.0f / microfacet_bsdf->ior : microfacet_bsdf->ior; - /* Sample transmissive microfacet bsdf. */ - float bsdf_u, bsdf_v; - path_state_rng_2D(kg, rng_state, PRNG_BSDF_U, &bsdf_u, &bsdf_v); - float2 h = mnee_sample_bsdf_dh( - bsdf->type, microfacet_bsdf->alpha_x, microfacet_bsdf->alpha_y, bsdf_u, bsdf_v); + float2 h = zero_float2(); + if (microfacet_bsdf->alpha_x > 0.f && microfacet_bsdf->alpha_y > 0.f) { + /* Sample transmissive microfacet bsdf. */ + float bsdf_u, bsdf_v; + path_state_rng_2D(kg, rng_state, PRNG_BSDF_U, &bsdf_u, &bsdf_v); + h = mnee_sample_bsdf_dh( + bsdf->type, microfacet_bsdf->alpha_x, microfacet_bsdf->alpha_y, bsdf_u, bsdf_v); + } /* Setup differential geometry on vertex. */ mnee_setup_manifold_vertex( |