Atlas texture auto load optimisation

Godot Version

4.3

Question

I need to place on my game world some bushes so player can interact with them, to search fo random stuff, for example. So i create Sprite2D for it, create AtlasTexture in it and drag my atlas texture .png file with my bushes. Then i select region with bush images, set HFrames and use Frame to select bush image. All works fine.

I may have 10-100 such objects and also use same atlas file to draw on TileMapLayer.

But now question - does Godot make auto optimization for loading texture with atlas? So when i create AtlasTexture and drag and drop same file for other static object is it loads just one time? Or i need to save it as .tres file and use it?

You could look inside your tscn or tres files to see if they are unique sub-resources for each, I believe copy pasted built-in resources are optimized unless made unique.