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Assets/Obi/Resources/ObiMaterials/Common/Instanced/Compute/ProceduralInstancing.cginc

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+#ifndef PROCEDURAL_INCLUDED
+#define PROCEDURAL_INCLUDED
+
+#define UNITY_INDIRECT_DRAW_ARGS IndirectDrawIndexedArgs
+#include "UnityIndirect.cginc"
+
+StructuredBuffer<float4x4> _InstanceTransforms;
+StructuredBuffer<float4x4> _InvInstanceTransforms;
+StructuredBuffer<float4> _Colors;
+
+#if UNITY_ANY_INSTANCING_ENABLED
+    // Based on : 
+    // https://github.com/Unity-Technologies/Graphics/blob/master/com.unity.shadergraph/Editor/Generation/Targets/BuiltIn/ShaderLibrary/ParticlesInstancing.hlsl
+    // and/or
+    // https://github.com/TwoTailsGames/Unity-Built-in-Shaders/blob/master/CGIncludes/UnityStandardParticleInstancing.cginc
+
+    void vertInstancingSetup() {
+    }
+#endif
+
+void GetInstanceData_float(uint svInstanceID, float3 pos, out float3 outPos, out float4 color)
+{
+    InitIndirectDrawArgs(0);
+    uint instanceID = GetIndirectInstanceID_Base(svInstanceID);
+        
+    unity_ObjectToWorld = _InstanceTransforms[instanceID];
+    unity_WorldToObject = _InvInstanceTransforms[instanceID];
+    color = _Colors[instanceID];
+
+    outPos = pos;
+}
+
+#endif