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Fix T94758: wrong denoising albedo with BSSRDF retro reflection

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This commit is contained in:
Brecht Van Lommel
2022-01-13 00:09:22 +01:00
parent 29450a2af3
commit eaa4cdaa42
1 changed files with 8 additions and 0 deletions
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8
intern/cycles/kernel/film/passes.h
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@@ -92,6 +92,14 @@ ccl_device_forceinline void kernel_write_denoising_features_surface(
else if (sc->type == CLOSURE_BSDF_HAIR_PRINCIPLED_ID) {
closure_albedo *= bsdf_principled_hair_albedo(sc);
}
else if (sc->type == CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID) {
/* BSSRDF already accounts for weight, retro-reflection would double up. */
ccl_private const PrincipledDiffuseBsdf *bsdf = (ccl_private const PrincipledDiffuseBsdf *)
sc;
if (bsdf->components == PRINCIPLED_DIFFUSE_RETRO_REFLECTION) {
continue;
}
}
if (bsdf_get_specular_roughness_squared(sc) > sqr(0.075f)) {
diffuse_albedo += closure_albedo;