Add fractional scaling

[HFPasfho]

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Is there an existing issue for this?

• [X] I have searched the existing issues

What feature are you suggesting?

If doable please add internal resolution fractional scaling e.g. 1.5x. There are emulators that offer this.

Why would this feature be useful?

It would benefit people with devices that aren't quite there for 2x resolution.

[OpenSauce04]

This is low priority and would likely be pretty complex to implement, so don't expect to see this for a long time if it ever happens