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Refactor DDGI probes to use variable ray count depending on the probe location relative to the view frustum

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Wojciech Figat
2022-12-15 17:33:44 +01:00
parent 3fcbcacd43
commit 1cf6c5233e
13 changed files with 106 additions and 89 deletions
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4
Source/Shaders/GI/GlobalSurfaceAtlas.shader
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@@ -87,7 +87,7 @@ float4 PS_ClearLighting(AtlasVertexOutput input) : SV_Target
// GBuffer+Depth at 0-3 slots
Buffer<float4> GlobalSurfaceAtlasObjects : register(t4);
#if INDIRECT_LIGHT
Texture2D<snorm float4> ProbesState : register(t5);
Texture2D<snorm float4> ProbesData : register(t5);
Texture2D<float4> ProbesDistance : register(t6);
Texture2D<float4> ProbesIrradiance : register(t7);
#else
@@ -134,7 +134,7 @@ float4 PS_Lighting(AtlasVertexOutput input) : SV_Target
#if INDIRECT_LIGHT
// Sample irradiance
float3 irradiance = SampleDDGIIrradiance(DDGI, ProbesState, ProbesDistance, ProbesIrradiance, gBuffer.WorldPos, gBuffer.Normal);
float3 irradiance = SampleDDGIIrradiance(DDGI, ProbesData, ProbesDistance, ProbesIrradiance, gBuffer.WorldPos, gBuffer.Normal);
irradiance *= Light.Radius; // Cached BounceIntensity / IndirectLightingIntensity
// Calculate lighting