Pixel perfect splash art rendering
When users' display settings isn't x1 or x2, make the splash art render as exact physical pixel size. So here won't be ugly scaling that make the splash art blur. Also make loading text sharp.
The following screenshot is the test result in x1.5 scaled HiDPI display. It should work for any scale factor: x1.25, x1.4, x2.5, x3, etc.