View frame time doesn't work properly with Metal renderer.

[how2Bboss]

Tested versions

Happens in v4.4.dev.custom_build e3550cb as well as a previous custom 4.3 build with the metal renderer

System information

MacOS 15.1 - Godot 4.4.dev - Metal 3.1 - Forward+ - Using Device #0: Apple - Apple M2 Pro (Apple8)

Issue description

The view frame time toggle doesn't properly show the GPU time and FPS when using the metal renderer

Steps to reproduce

open any scene, and enable view frame time:

Minimal reproduction project (MRP)

N/A

[stuartcarnie]

This is a known issue, as Godot's frame timing is not compatible with TBDR GPUs (mobile and Apple M-series). Working on some ideas to resolve it.

[Calinou]

Thanks for the report! Consolidating in https://github.com/godotengine/godot/issues/51371.