HLSLcc: change out of bounds fix to use iNrCoarseLights-1 instead

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/Resources/lightlistbuild-clustered.compute

 
 	//////////// cell specific code
 	{
-		int pad = iNrCoarseLights & 1;
-		for(int l=(int) t; l<((iNrCoarseLights+pad)>>1); l += NR_THREADS)
+		for(int l=(int) t; l<((iNrCoarseLights+1)>>1); l += NR_THREADS)
-			const int l0 = coarseList[2*l+0], l1 = coarseList[min(2*l+1,iNrCoarseLights-pad)];
+			const int l0 = coarseList[2*l+0], l1 = coarseList[min(2*l+1,iNrCoarseLights-1)];
 			const unsigned int clustIdxMi0 = (const unsigned int) min(255,SnapToClusterIdx(GetLinearDepth(g_vBoundsBuffer[l0].z), suggestedBase));
 			const unsigned int clustIdxMa0 = (const unsigned int) min(255,SnapToClusterIdx(GetLinearDepth(g_vBoundsBuffer[l0+g_iNrVisibLights].z), suggestedBase));
 			const unsigned int clustIdxMi1 = (const unsigned int) min(255,SnapToClusterIdx(GetLinearDepth(g_vBoundsBuffer[l1].z), suggestedBase));

Assets/ScriptableRenderPipeline/fptl/lightlistbuild-clustered.compute

 
 	//////////// cell specific code
 	{
-		int pad = iNrCoarseLights & 1;
-		for(int l=(int) t; l<((iNrCoarseLights+pad)>>1); l += NR_THREADS)
+		for(int l=(int) t; l<((iNrCoarseLights+1)>>1); l += NR_THREADS)
-			const int l0 = coarseList[2*l+0], l1 = coarseList[min(2*l+1,iNrCoarseLights-pad)];
+			const int l0 = coarseList[2*l+0], l1 = coarseList[min(2*l+1,iNrCoarseLights-1)];
 			const unsigned int clustIdxMi0 = (const unsigned int) min(255,SnapToClusterIdx(GetLinearDepth(g_vBoundsBuffer[l0].z), suggestedBase));
 			const unsigned int clustIdxMa0 = (const unsigned int) min(255,SnapToClusterIdx(GetLinearDepth(g_vBoundsBuffer[l0+g_iNrVisibLights].z), suggestedBase));
 			const unsigned int clustIdxMi1 = (const unsigned int) min(255,SnapToClusterIdx(GetLinearDepth(g_vBoundsBuffer[l1].z), suggestedBase));