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Fix small lights and small particles rasterization into Volumetric Fog

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This commit is contained in:
Wojtek Figat
2026-01-27 21:00:20 +01:00
parent e1013aec94
commit d47bd5d6e7
1 changed files with 4 additions and 11 deletions
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15
Source/Shaders/VolumetricFog.shader
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@@ -120,19 +120,12 @@ Quad_VS2GS VS_WriteToSlice(float2 TexCoord : TEXCOORD0, uint LayerIndex : SV_Ins
float depth = (slice / SliceToDepth.x) * SliceToDepth.y;
float depthOffset = abs(depth - ViewSpaceBoundingSphere.z);
if (depthOffset < ViewSpaceBoundingSphere.w)
{
float radius = sqrt(ViewSpaceBoundingSphere.w * ViewSpaceBoundingSphere.w - depthOffset * depthOffset);
float3 positionVS = float3(ViewSpaceBoundingSphere.xy + (TexCoord * 2 - 1) * radius, depth);
output.Vertex.Position = mul(float4(positionVS, 1), ViewToVolumeClip);
float radius = sqrt(ViewSpaceBoundingSphere.w * ViewSpaceBoundingSphere.w - depthOffset * depthOffset);
float3 positionVS = float3(ViewSpaceBoundingSphere.xy + (TexCoord * 2 - 1) * radius, depth);
output.Vertex.Position = mul(float4(positionVS, 1), ViewToVolumeClip);
#if VULKAN
output.Vertex.Position.y *= -1;
output.Vertex.Position.y *= -1;
#endif
}
else
{
output.Vertex.Position = float4(0, 0, 0, 0);
}
output.Vertex.TexCoord = TexCoord;
output.LayerIndex = slice;