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Merge pull request #69522 from clayjohn/IBL-black-metal

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Allow black metallic materials to reflect IBL
This commit is contained in:
Rémi Verschelde 2022-12-03 12:46:30 +01:00
parent 29ddbfa19a 1e05dd3504
commit daf168f4c8
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GPG key ID: C3336907360768E1
4 changed files with 4 additions and 4 deletions
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2
drivers/gles3/shaders/scene.glsl
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@ -1162,7 +1162,7 @@ void main() {
float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
specular_light *= env.x * f0 + env.y * clamp(50.0 * f0.g, 0.0, 1.0);
specular_light *= env.x * f0 + env.y * clamp(50.0 * f0.g, metallic, 1.0);
#endif
}

2
servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl
View file

@ -1485,7 +1485,7 @@ void fragment_shader(in SceneData scene_data) {
float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
specular_light *= env.x * f0 + env.y * clamp(50.0 * f0.g, 0.0, 1.0);
specular_light *= env.x * f0 + env.y * clamp(50.0 * f0.g, metallic, 1.0);
#endif
}

2
servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl
View file

@ -1205,7 +1205,7 @@ void main() {
float a004 = min(r.x * r.x, exp2(-9.28 * ndotv)) * r.x + r.y;
vec2 env = vec2(-1.04, 1.04) * a004 + r.zw;
specular_light *= env.x * f0 + env.y;
specular_light *= env.x * f0 + env.y * clamp(50.0 * f0.g, metallic, 1.0);
#endif
}

2
servers/rendering/renderer_rd/shaders/scene_forward_lights_inc.glsl
View file

@ -202,7 +202,7 @@ void light_compute(vec3 N, vec3 L, vec3 V, float A, vec3 light_color, float atte
float cLdotH5 = SchlickFresnel(cLdotH);
// Calculate Fresnel using specular occlusion term from Filament:
// https://google.github.io/filament/Filament.html#lighting/occlusion/specularocclusion
float f90 = clamp(dot(f0, vec3(50.0 * 0.33)), 0.0, 1.0);
float f90 = clamp(dot(f0, vec3(50.0 * 0.33)), metallic, 1.0);
vec3 F = f0 + (f90 - f0) * cLdotH5;
vec3 specular_brdf_NL = cNdotL * D * F * G;