Add Global Illumination sampling option to transparent materials (eg. particles)

2022-07-14 14:28:42 +02:00
parent 4cc7bb96f5
commit 0d8ebd332e
10 changed files with 113 additions and 2 deletions
@@ -0,0 +1,23 @@
+// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
+
+@0// Global Illumination: Defines
+#define USE_GI 1
+@1// Global Illumination: Includes
+#include "./Flax/GI/DDGI.hlsl"
+#include "./Flax/LightingCommon.hlsl"
+@2// Global Illumination: Constants
+DDGIData DDGI;
+@3// Global Illumination: Resources
+Texture2D<snorm float4> ProbesState : register(t__SRV__);
+Texture2D<float4> ProbesDistance : register(t__SRV__);
+Texture2D<float4> ProbesIrradiance : register(t__SRV__);
+@4// Global Illumination: Utilities
+float4 GetGlobalIlluminationLighting(GBufferSample gBuffer)
+{
+	float3 irradiance = SampleDDGIIrradiance(DDGI, ProbesState, ProbesDistance, ProbesIrradiance, gBuffer.WorldPos, gBuffer.Normal);
+	float3 diffuseColor = GetDiffuseColor(gBuffer);
+	float3 diffuse = Diffuse_Lambert(diffuseColor);
+	return float4(diffuse * irradiance, saturate(length(irradiance)));
+}
+
+@5// Global Illumination: Shaders