Add texture resolution settings to the settings list

[cortrano]

Which demo project is affected: 3d/graphics_settings

Description: In my opinion, the demo with graphics settings lacks texture resolution settings. I don’t quite understand how this can be done and I didn’t really find anything on this topic in the documentation. It would be cool to see this setting implemented in a demo project

[Calinou]

Godot currently doesn't have a built-in way to reduce texture resolution, but there are 2 issues that would make implementing this in the demo less relevant:

• What you probably want is texture streaming with a setting to limit the maximum memory pool size.
• Reducing texture size generally doesn't improve performance directly, unless you are running out of VRAM. This is uncommon in indie games given their tendency to use fewer, lower-resolution textures than modern AAA games.
  • This can lead to texture resolution being a "red herring" setting, with players decreasing it even if they don't need to. This can make a game look a lot worse than it should. You'd be surprised how good modern AAA games look if you decrease all settings to their minimum but keep the texture quality on High or Ultra :slightly_smiling_face:

[cortrano]

Reducing texture size generally doesn't improve performance directly, unless you are running out of VRAM. This is uncommon in indie games given their tendency to use fewer, lower-resolution textures than modern AAA games.

Then all that remains is to wait for the texture streaming option, and if it is added to godot, then add it to this template