Hq2x broken after yesterday's refactor

HQ2X BROKE last few appveyor builds

makes a mess.

i believe it broke with this master 1b4a6f6

[zeromus]

omfg do you actually use all these filters

omfg do you actually use all these filters

To be honest no.

Testing :)

I use bilinear only. Force aspect 4:3

I only report this stuff cause Im assuming I help when I do this?

[zeromus]

Thanks for making these helpful bug reports