Revert "Optimize buffer upload on GL graphics"
Revert "Optimize buffer upload on GL graphics"

This reverts commit 02dd61e2f051e13f6928a814d6d69276ca6877ac.

Gama11/openfl,Gama11/openfl,openfl/openfl,Gama11/openfl,openfl/openfl,Gama11/openfl,openfl/openfl