Texture artifacts introduced when GPU is not available

Tested versions

• Reproducible in v4.6.3.stable.official [7d41c59c4]

System information

Godot v4.6.3.stable - Windows 10 (build 19045) - Multi-window, 1 monitor - Direct3D 12 (Forward+) - dedicated NVIDIA GeForce RTX 3090 (NVIDIA; 32.0.15.8129) - AMD Ryzen 9 7950X3D 16-Core Processor (32 threads) - 95.08 GiB memory

Issue description

Texture artifacts are introduced when an export is made using --headless (in a CI). Further testing shows you can reproduce by disabling compress_with_gpu in project settings.

I believe this is a difference of etcpak and betsy, but it creates a pretty big divide between the quality of the game in our editors vs. our production builds.

With GPU Compression:

With CPU Compression:

Steps to reproduce

1. Open MRP
2. Observe scene (specifically where camera is positioned).
3. Disable compress_with_gpu in Project Settings.
4. Re-import res://PCA-Treasure-Room-Pristine Combined.png 5, Re-observe.

Minimal reproduction project (MRP)

texture-artifacts.zip