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Fix fog rendering bug on d3d11/d3d10

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This commit is contained in:
Wojtek Figat
2025-09-30 15:44:34 +02:00
parent 0848f1fa83
commit f09d6aa0eb
2 changed files with 10 additions and 1 deletions
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8
Content/Editor/MaterialTemplates/Features/ForwardShading.hlsl
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@@ -152,7 +152,13 @@ void PS_Forward(
#if USE_FOG && MATERIAL_SHADING_MODEL != SHADING_MODEL_UNLIT #if USE_FOG && MATERIAL_SHADING_MODEL != SHADING_MODEL_UNLIT
// Calculate exponential height fog // Calculate exponential height fog
float4 fog = GetExponentialHeightFog(ExponentialHeightFog, materialInput.WorldPosition, ViewPos, 0, gBuffer.ViewPos.z); #if DIRECTX && FEATURE_LEVEL < FEATURE_LEVEL_SM6
// TODO: fix D3D11/D3D10 bug with incorrect distance
float fogSceneDistance = distance(materialInput.WorldPosition, ViewPos);
#else
float fogSceneDistance = gBuffer.ViewPos.z;
#endif
float4 fog = GetExponentialHeightFog(ExponentialHeightFog, materialInput.WorldPosition, ViewPos, 0, fogSceneDistance);
if (ExponentialHeightFog.VolumetricFogMaxDistance > 0) if (ExponentialHeightFog.VolumetricFogMaxDistance > 0)
{ {

3
Source/Engine/Graphics/Materials/MaterialShaderFeatures.cpp
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@@ -43,6 +43,9 @@ void ForwardShadingFeature::Bind(MaterialShader::BindParameters& params, Span<by
else else
{ {
data.ExponentialHeightFog.FogMinOpacity = 1.0f; data.ExponentialHeightFog.FogMinOpacity = 1.0f;
data.ExponentialHeightFog.FogDensity = 0.0f;
data.ExponentialHeightFog.FogCutoffDistance = 0.1f;
data.ExponentialHeightFog.StartDistance = 0.0f;
data.ExponentialHeightFog.ApplyDirectionalInscattering = 0.0f; data.ExponentialHeightFog.ApplyDirectionalInscattering = 0.0f;
} }
params.GPUContext->BindSR(volumetricFogTextureRegisterIndex, volumetricFogTexture); params.GPUContext->BindSR(volumetricFogTextureRegisterIndex, volumetricFogTexture);