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Merge pull request #108378 from Mingxi-Z/fix/clearcoat-nan-issue

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Fix division by zero in clearcoat specular BRDF
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Thaddeus Crews
2025-07-09 11:33:21 -05:00
parent afd16dd4f3 2096e4c007
commit bfb379b766
2 changed files with 2 additions and 2 deletions
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servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl
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@ -167,7 +167,7 @@ void light_compute(hvec3 N, hvec3 L, hvec3 V, half A, hvec3 light_color, bool is
half cLdotH5 = SchlickFresnel(cLdotH);
half Dr = D_GGX(ccNdotH, half(mix(half(0.001), half(0.1), clearcoat_roughness)), vertex_normal, H);
half Gr = half(0.25) / (cLdotH * cLdotH);
half Gr = half(0.25) / (cLdotH * cLdotH + half(1e-4));
half Fr = mix(half(0.04), half(1.0), cLdotH5);
half clearcoat_specular_brdf_NL = clearcoat * Gr * Fr * Dr * cNdotL;