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Merge pull request #56802 from jnlopar/oren_nayer_vert_lighting_bug

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Fixes broken scene shader compile due to undefined 'diffuse_color' variable with Oren Nayar + Vertex Lighting
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Rémi Verschelde 2022-01-15 09:19:43 +01:00 committed by GitHub
commit 31c7f13ea4
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drivers/gles3/shaders/scene.glsl
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@ -212,7 +212,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, vec3 light_color, float roughness, in
float t = mix(1.0, max(NdotL, NdotV), step(0.0, s));
float sigma2 = roughness * roughness; // TODO: this needs checking
vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse_color / (sigma2 + 0.13));
vec3 A = 1.0 + sigma2 * (-0.5 / (sigma2 + 0.33) + 0.17 * diffuse / (sigma2 + 0.13));
float B = 0.45 * sigma2 / (sigma2 + 0.09);
diffuse_brdf_NL = cNdotL * (A + vec3(B) * s / t) * (1.0 / M_PI);