[PATCH 9/9] glamor: Use buffer_storage

[Markus Wick]

Am 2014-03-10 21:09, schrieb Eric Anholt:
>> On release builds, glGetError won't be called and so this won't clear
>> the gl error log. So we'll fall back to the mbr code because of any gl
>> error somewhere in glamor.
> 
> Yeah, I think that's fine -- you shouldn't have any errors, anyway.

But then, we should explicit delete & alloc this buffer again. Atm we 
would fall back to mbr but buffer_storage was maybe successful. So non 
of the next glBufferData will success ...