Our technical hardware support baseline is GLES2, which has a minimum
supported texture size of 2048x2048. This means we cannot allow anything
larger without introducing compatibility issues between GL players and
software players. Even if Software is able to handle larger images,
GL hardware may not, even on the same device. This additionally prevents
an issue with Twodee where the patch atlas can't handle images larger
than 2048x2048 due to the page size.
