checkReallySupportsASTC does not work on ios device about axmol

[halx99]

should fixed by commits in branch https://github.com/axmolengine/axmol/tree/release-2.1.5

[halx99]

by default ios use metal render backend, not GLES, do you means GLES? if so that should really means ios GLES render not support ASTC

[BIGCATDOG]

yes, i use GLES render backend.

[BIGCATDOG]

And it works perfect on android device. It is strange.

[BIGCATDOG]

@halx99 If i just hard code to make check function return true. Everything works well. ASTC texture can be rendered on screen on ios device.

[BIGCATDOG]

should fixed by commits in branch https://github.com/axmolengine/axmol/tree/release-2.1.5
It is very appreciated. Thanks for your hard work.