Explicitly check for EXT_frag_depth rather than assuming it's present in WebGL1 (it isn't in Safari <14)
Explicitly check for EXT_frag_depth rather than assuming it's present in WebGL1 (it isn't in Safari <14)

arose/ngl,arose/ngl,arose/ngl,arose/ngl,fredludlow/ngl,fredludlow/ngl,fredludlow/ngl,fredludlow/ngl