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fixed shading

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This commit is contained in:
Mikulas Florek 2020-05-03 19:52:37 +02:00
parent cbda03f908
commit c715a6185a
1 changed files with 8 additions and 8 deletions
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16
data/pipelines/common.glsl
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@ -90,7 +90,7 @@ float D_GGX(float ndoth, float roughness)
{
float a = roughness * roughness;
float a2 = a * a;
float f = (ndoth * ndoth) * (a2 - 1) + 1;
float f = max(1e-5, (ndoth * ndoth) * (a2 - 1) + 1);
return a2 / (f * f * M_PI);
}
@ -122,12 +122,12 @@ vec3 PBR_ComputeDirectLight(vec3 albedo
vec3 F0 = vec3(0.04);
F0 = mix(F0, albedo, metallic);
float ndotv = abs( dot (N , V )) + 1e-5f;
vec3 H = normalize (V + L);
float ldoth = saturate ( dot (L , H ));
float ndoth = saturate ( dot (N , H ));
float ndotl = saturate ( dot (N , L ));
float hdotv = saturate ( dot (H , V ));
float ndotv = abs(dot(N, V)) + 1e-5f;
vec3 H = normalize(V + L);
float ldoth = saturate(dot(L, H));
float ndoth = saturate(dot(N, H));
float ndotl = saturate(dot(N, L));
float hdotv = saturate(dot(H, V));
float D = D_GGX(ndoth, roughness);
float G = G_SmithSchlickGGX(ndotl, ndotv, roughness);
@ -136,7 +136,7 @@ vec3 PBR_ComputeDirectLight(vec3 albedo
vec3 kS = F;
vec3 kD = vec3(1.0) - kS;
kD *= 1.0 - metallic;
kD *= 1.0 - metallic;
return (kD * albedo / M_PI + specular) * light_color * ndotl;
}