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Add specular occlusion from ambient light

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Co-authored-by: guerro323 <kaltobattle@gmail.com>
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landervr 2025-05-06 16:51:00 +02:00
parent 1a1cc0f7b0
commit 56730d0cb2
17 changed files with 72 additions and 6 deletions
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12
drivers/gles3/shaders/scene.glsl
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@ -2120,8 +2120,18 @@ void main() {
#endif // USE_LIGHTMAP_CAPTURE
#endif // !DISABLE_LIGHTMAP
ambient_light *= albedo.rgb;
ambient_light *= ao;
#ifndef SPECULAR_OCCLUSION_DISABLED
float specular_occlusion = (ambient_light.r * 0.3 + ambient_light.g * 0.59 + ambient_light.b * 0.11) * 2.0; // Luminance of ambient light.
specular_occlusion = min(specular_occlusion * 4.0, 1.0); // This multiplication preserves speculars on bright areas.
float reflective_f = (1.0 - roughness) * metallic;
// 10.0 is a magic number, it gives the intended effect in most scenarios.
// Low enough for occlusion, high enough for reaction to lights and shadows.
specular_occlusion = max(min(reflective_f * specular_occlusion * 10.0, 1.0), specular_occlusion);
specular_light *= specular_occlusion;
#endif // !SPECULAR_OCCLUSION_DISABLED
ambient_light *= albedo.rgb;
#endif // !AMBIENT_LIGHT_DISABLED