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[3.x] Add horizon specular occlusion #51416

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Aug 10, 2021
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[3.x] Add horizon specular occlusion #51416

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2 changes: 2 additions & 0 deletions drivers/gles2/shaders/scene.glsl
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Original file line number Diff line number Diff line change
Expand Up @@ -1686,6 +1686,8 @@ FRAGMENT_SHADER_CODE
ref_vec.z *= -1.0;

specular_light = textureCubeLod(radiance_map, ref_vec, roughness * RADIANCE_MAX_LOD).xyz * bg_energy;
float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
specular_light *= horizon * horizon;
#ifndef USE_LIGHTMAP
{
vec3 ambient_dir = normalize((radiance_inverse_xform * vec4(normal, 0.0)).xyz);
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2 changes: 2 additions & 0 deletions drivers/gles3/shaders/scene.glsl
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Expand Up @@ -1882,6 +1882,8 @@ FRAGMENT_SHADER_CODE
ref_vec = normalize((radiance_inverse_xform * vec4(ref_vec, 0.0)).xyz);
vec3 radiance = textureDualParaboloid(radiance_map, ref_vec, roughness) * bg_energy;
env_reflection_light = radiance;
float horizon = min(1.0 + dot(ref_vec, normal), 1.0);
env_reflection_light *= horizon * horizon;
}
}
#ifndef USE_LIGHTMAP
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