Capitalized unpack function name.

Assets/ScriptableRenderPipeline/HDRenderPipeline/Shadow/Shadow.hlsl

 #include "ShadowContext.hlsl"
 
 // helper function to extract shadowmap data from the ShadowData struct
-void unpackShadowmapId( uint shadowmapId, out uint texIdx, out uint sampIdx, out float slice )
+void UnpackShadowmapId( uint shadowmapId, out uint texIdx, out uint sampIdx, out float slice )
-void unpackShadowmapId( uint shadowmapId, out uint texIdx, out uint sampIdx )
+void UnpackShadowmapId( uint shadowmapId, out uint texIdx, out uint sampIdx )
-void unpackShadowmapId( uint shadowmapId, out float slice )
+void UnpackShadowmapId( uint shadowmapId, out float slice )
 {
 	slice = (float)(shadowmapId & 0xffff);
 }
 
 
 // wedge in the actual shadow sampling algorithms
-#include "ShadowSampling.hlsl"			// sampling patterns
+#include "ShadowSampling.hlsl"			// sampling patterns (don't modify)
 #include "ShadowAlgorithms.hlsl"		// engine default algorithms (don't modify)
 #include "ShadowAlgorithmsCustom.hlsl"	// project specific custom algorithms (project can modify this)
 

Assets/ScriptableRenderPipeline/HDRenderPipeline/Shadow/ShadowAlgorithms.hlsl

 	// sample the texture
 	uint texIdx, sampIdx;
 	float slice;
-	unpackShadowmapId( sd.id, texIdx, sampIdx, slice );
+	UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
 	return SampleShadow_PCF_1tap( shadowContext, posTC, slice, texIdx, sampIdx );
 }
 
 	float3 posTC = EvalShadow_GetTexcoords( sd, positionWS );
 	// sample the texture
 	float slice;
-	unpackShadowmapId( sd.id, slice );
+	UnpackShadowmapId( sd.id, slice );
 	return SampleShadow_PCF_1tap( shadowContext, posTC, slice, tex, compSamp );
 }
 
 	// sample the texture
 	uint texIdx, sampIdx;
 	float slice;
-	unpackShadowmapId( sd.id, texIdx, sampIdx, slice );
+	UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
 	return SampleShadow_PCF_1tap( shadowContext, posTC, slice, texIdx, sampIdx );
 }
 
 	float3 posTC = EvalShadow_GetTexcoords( sd, positionWS );
 	// sample the texture
 	float slice;
-	unpackShadowmapId( sd.id, slice );
+	UnpackShadowmapId( sd.id, slice );
 	return SampleShadow_PCF_1tap( shadowContext, posTC, slice, tex, compSamp );
 }
 
 	// sample the texture
 	uint texIdx, sampIdx;
 	float slice;
-	unpackShadowmapId( sd.id, texIdx, sampIdx, slice );
+	UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
 	return SampleShadow_PCF_1tap( shadowContext, posTC, slice, texIdx, sampIdx );
 }
 
 	float3 posTC = EvalShadow_GetTexcoords( sd, positionWS );
 	// sample the texture
 	float slice;
-	unpackShadowmapId( sd.id, slice );
+	UnpackShadowmapId( sd.id, slice );
 	return SampleShadow_PCF_1tap( shadowContext, posTC, slice, tex, compSamp );
 }
 
 	// sample the texture
 	uint texIdx, sampIdx;
 	float slice;
-	unpackShadowmapId( sd.id, texIdx, sampIdx, slice );
+	UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
 
 	return SampleShadow_PCF_9tap_Adaptive( shadowContext, sd.texelSizeRcp, posTC, slice, texIdx, sampIdx );
 }
 	float3 posTC = EvalShadow_GetTexcoords( sd, positionWS );
 	// sample the texture
 	float slice;
-	unpackShadowmapId(sd.id, slice);
+	UnpackShadowmapId(sd.id, slice);
 
 	return SampleShadow_PCF_9tap_Adaptive( shadowContext, sd.texelSizeRcp, posTC, slice, tex, compSamp );
 }