Suggestion: Load method variant which load a ktx texture in an existing texture

[robertdorn83]

Sometimes it would be nice to load a ktx texture in an existing texture instance, instead of gettin a new created one.

[atteneder]

@pfcDorn Thanks for raising that interesting idea. Can you elaborate what the actual use-case and benefit of that would be?

Like, does it actually safe resources and what are your (expected) measurments?