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Cycles: new Microfacet-based Hair BSDF with elliptical cross-section support #105600

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Weizhen Huang merged 114 commits from weizhen/blender:microfacet_hair into main 2023-08-18 12:46:20 +02:00
Conversation 12 Commits 114 Files Changed 25 +4
1 changed files with 4 additions and 0 deletions
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Showing only changes of commit c606b6515a - Show all commits

4
intern/cycles/kernel/osl/closures_setup.h
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@ -868,6 +868,10 @@ ccl_device void osl_closure_microfacet_hair_setup(KernelGlobals kg,
return;
}
if (closure->r_lobe <= 0.0f && closure->tt_lobe <= 0.0f && closure->trt_lobe <= 0.0f) {
return;
}
ccl_private MicrofacetHairBSDF *bsdf = (ccl_private MicrofacetHairBSDF *)bsdf_alloc(
sd, sizeof(MicrofacetHairBSDF), rgb_to_spectrum(weight));
if (!bsdf) {