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fix linear fog parameters calculation

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FIXES=[442852042]
This commit is contained in:
Mathias Agopian
2025-09-04 11:27:27 -07:00
committed by Mathias Agopian
parent d07c15dfc6
commit 57e308b75f
1 changed files with 1 additions and 3 deletions
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filament/src/ds/ColorPassDescriptorSet.cpp
+1 -3
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@@ -255,7 +255,6 @@ void ColorPassDescriptorSet::prepareFog(FEngine& engine, const CameraInfo& camer
double const f = heightFalloff;
double const eye = userCameraPosition.y - options.height;
double const dt = options.density * (f <= EPSILON ? 1.0 : (std::exp(-f * eye) - std::exp(-2.0 * f * eye)) / (f * eye));
float const fogEndLinear = float(1.0 / dt);
s.fogStart = options.distance;
s.fogMaxOpacity = options.maximumOpacity;
@@ -267,8 +266,7 @@ void ColorPassDescriptorSet::prepareFog(FEngine& engine, const CameraInfo& camer
s.fogInscatteringSize = options.inScatteringSize;
s.fogColorFromIbl = fogColorTextureHandle ? 1.0f : 0.0f;
s.fogFromWorldMatrix = mat3f{ cof(fogFromWorld) };
s.fogLinearParams = { 1.0f / (fogEndLinear - options.distance),
-options.distance / (fogEndLinear - options.distance) };
s.fogLinearParams = { dt, -dt * options.distance };
}
void ColorPassDescriptorSet::prepareSSAO(Handle<HwTexture> ssao,