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Fix reversed `cosNI` and `cosNO` in Cycles anisotropic beckmann G1

This commit is contained in:
Weizhen Huang 2023-01-18 13:08:33 +01:00
parent 973db6b5c1
commit 6e6ae17335
1 changed files with 2 additions and 2 deletions
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4
intern/cycles/kernel/closure/bsdf_microfacet.h
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@ -871,8 +871,8 @@ ccl_device Spectrum bsdf_microfacet_beckmann_eval_reflect(ccl_private const Micr
D = expf(-slope_x * slope_x - slope_y * slope_y) / (M_PI_F * alpha2 * cosThetaM4);
/* G1(i,m) and G1(o,m) */
G1i = bsdf_beckmann_aniso_G1(alpha_x, alpha_y, cosNO, dot(wi, X), dot(wi, Y));
G1o = bsdf_beckmann_aniso_G1(alpha_x, alpha_y, cosNI, dot(wo, X), dot(wo, Y));
G1i = bsdf_beckmann_aniso_G1(alpha_x, alpha_y, cosNI, dot(wi, X), dot(wi, Y));
G1o = bsdf_beckmann_aniso_G1(alpha_x, alpha_y, cosNO, dot(wo, X), dot(wo, Y));
}
float G = G1i * G1o;