[Fluxus] png diagonal oddness

[Kassen]

>
>
>>  i'm not sure about what the opengl specs say about this. texture size has
> to be power of 2 on older cards. so 2x2 should work. with npot
> (non-power-of-two) texture capable cards, i think the specs does not mention
> any restrictions. most cards support npot textures nowadays. this bug was
> bothering me as well some time ago, when i found out about this size
> restriction by experiment. so i'm not really sure if it's an opengl
> requirement or not.
>
>
Ok, so that makes a warning a bit inconvenient because what we may need to
warn against will depend on the card used. Then a note about the various
possible restrictions in the docs will need to do.

Kas.
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