Inspecting with the Frame Debugger, it seems that there are several large (200 MB) MSAA textures. Is there any way to control multisampling (like with SCNAntialiasingMode in SceneKit)?
Cindori
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Yes, exactly. Full screen on the Pro XDR blows up Dirty Memory Footprint to 2000 MB.
Thank you, I've filed FB11305740. There really needs to be a way to control the frame rate on macOS for non-AR use cases.
Regarding the renderOptions, my reason for trying to disable these is that a simple default box scene seems to be using 500-900mb memory. I found a Stack Overflow topic which recommends disabling some options to improve RealityKit memory footprint.
If these are already disabled, what can I do to decrease the memory usage? Surely 500mb is not expected for such a simple scene?