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Saturate (NdL + bias) to preserve energy (https://github.com/o3de/o3de/pull/6428#discussion_r774253478, https://github.com/o3de/o3de/pull/6428#discussion_r776069110)

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Signed-off-by: Santi Paprika <santi.gonzalez.cs@gmail.com>
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Santi Paprika
2022-01-04 10:34:05 +01:00
parent 7052b99671
commit c814be22fd
1 changed files with 1 additions and 1 deletions
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Gems/Atom/Feature/Common/Assets/ShaderLib/Atom/Features/PBR/BackLighting.azsli
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@@ -73,7 +73,7 @@ float3 GetBackLighting(Surface surface, LightingData lightingData, float3 lightI
// Irradiance arround surface point. // Irradiance arround surface point.
// Increase angle of influence (angle(N,L) -> angle(N,L) + acos(transmissionNdLBias)) to smooth transition regions // Increase angle of influence (angle(N,L) -> angle(N,L) + acos(transmissionNdLBias)) to smooth transition regions
float3 E = surface.albedo * max(lightingData.transmissionNdLBias + dot(-surface.normal, dirToLight),0.0); float3 E = surface.albedo * saturate(lightingData.transmissionNdLBias + dot(-surface.normal, dirToLight));
// Transmission distance modulated by hardcoded constant (could be exposed as a weight of scattering distance for transmission) // Transmission distance modulated by hardcoded constant (could be exposed as a weight of scattering distance for transmission)
float s = transmissionDistance * 100.0; float s = transmissionDistance * 100.0;