Start working on Cluster;

Runtime/Shader/VolumeListBuild-Cluster.compute

@@ -1,14 +1,19 @@
-// Each #kernel tells which function to compile; you can have many kernels
 #pragma kernel CSMain
 
-// Create a RenderTexture with enableRandomWrite flag and set it
-// with cs.SetTexture
-RWTexture2D<float4> Result;
+#include "Packages/com.misaki.ao-volume/Runtime/Shader/Includes/GeometryData.cs.hlsl"
 
-[numthreads(8,8,1)]
-void CSMain (uint3 id : SV_DispatchThreadID)
+StructuredBuffer<OrientedBoundingBox> _VolumeBounds;
+ByteAddressBuffer _VisibleVolumeCount;
+ByteAddressBuffer _VisibleVolumeIndices;
+
+// For the volume list buffer, we allocate a buffer with the size of "cluster count" * "max volume count on screen" / 4.
+// The first slot of each cluster group is always reserved for the count of volumes in the cluster.
+// The rest of the slots are used for the indices of the volumes in the cluster, each slot are packed with 2 16 bits indices.
+// To total number of indices in each cluster is "max volume count on screen" / 4 - 1.
+RWByteAddressBuffer _VolumeListCluster : register(u0);
+
+[numthreads(64,1,1)]
+void CSMain(uint3 dispatchThreadId : SV_DispatchThreadID)
 {
-    // TODO: insert actual code here!
-
-    Result[id.xy] = float4(id.x & id.y, (id.x & 15)/15.0, (id.y & 15)/15.0, 0.0);
-}
+    
+}