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Cycles: glossy and anisotropic BSDF changes

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* Anisotropic BSDF now supports GGX and Beckmann distributions, Ward has been
  removed because other distributions are superior.
* GGX is now the default distribution for all glossy and anisotropic nodes,
  since it looks good, has low noise and is fast to evaluate.
* Ashikhmin-Shirley is now available in the Glossy BSDF.
This commit is contained in:
Brecht Van Lommel
2014-06-08 12:46:12 +02:00
parent ceb68e809e
commit b12151eceb
20 changed files with 149 additions and 274 deletions
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4
intern/cycles/kernel/closure/bsdf_microfacet.h
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@@ -365,7 +365,7 @@ ccl_device int bsdf_microfacet_ggx_aniso_setup(ShaderClosure *sc)
sc->data0 = clamp(sc->data0, 0.0f, 1.0f); /* alpha_x */
sc->data1 = clamp(sc->data1, 0.0f, 1.0f); /* alpha_y */
sc->type = CLOSURE_BSDF_MICROFACET_GGX_ID;
sc->type = CLOSURE_BSDF_MICROFACET_GGX_ANISO_ID;
return SD_BSDF|SD_BSDF_HAS_EVAL|SD_BSDF_GLOSSY;
}
@@ -713,7 +713,7 @@ ccl_device int bsdf_microfacet_beckmann_aniso_setup(ShaderClosure *sc)
sc->data0 = clamp(sc->data0, 0.0f, 1.0f); /* alpha_x */
sc->data1 = clamp(sc->data1, 0.0f, 1.0f); /* alpha_y */
sc->type = CLOSURE_BSDF_MICROFACET_BECKMANN_ID;
sc->type = CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID;
return SD_BSDF|SD_BSDF_HAS_EVAL|SD_BSDF_GLOSSY;
}