Initial commit

Assets/Procedural Worlds/Gaia/Shaders/PW General/PW_HDRP_MainLight.hlsl

@@ -0,0 +1,30 @@
+#ifndef GETLIGHT_INCLUDED
+#define GETLIGHT_INCLUDED
+
+#if defined(_PW_SF_SSS_ON)
+#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
+#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightDefinition.cs.hlsl"
+#endif
+
+void MainLightHDRP_half(float3 i_worldPos, out half3 i_lightDir, out half3 i_color )
+{
+#if defined (SHADERGRAPH_PREVIEW) || !defined(_PW_SF_SSS_ON)
+   i_lightDir = half3( 0.5, 0.5, 0 );
+   i_color = 1;
+#else
+    if ( _DirectionalLightCount > 0 )
+    {
+        DirectionalLightData light = _DirectionalLightDatas[0];
+        i_lightDir 				   = -light.forward.xyz;
+        i_color 				   = light.color;
+    }
+    else
+    {
+        i_lightDir = float3(1, 0, 0);
+        i_color = 0;
+    }
+#endif
+}
+
+#endif
+