Staging before meshlet linearization

src/Engine/Material/Material.h

@@ -22,6 +22,8 @@ public:
     Gfx::PDescriptorLayout getDescriptorLayout() { return layout; }
     OMaterialInstance instantiate();
     const std::string& getName() const { return materialName; }
+    constexpr const uint64 getId() const { return materialId; }
+    static constexpr const PMaterial findMaterialById(uint64 id) { return materials[id]; }
 
     void save(ArchiveBuffer& buffer) const;
     void load(ArchiveBuffer& buffer);
@@ -33,11 +35,14 @@ private:
     uint32 uniformDataSize;
     uint32 uniformBinding;
     uint64 instanceId;
+    uint64 materialId;
     Gfx::ODescriptorLayout layout;
     std::string materialName;
     Array<OShaderExpression> codeExpressions;
     Array<std::string> parameters;
     MaterialNode brdf;
+    static std::atomic_uint64_t materialIdCounter;
+    static Array<PMaterial> materials;
 };
 DEFINE_REF(Material)