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3 commits

Author SHA1 Message Date
Matthew Waters
3e92a8ef53 glsync: fix build with desktop gl 2014-11-28 11:11:43 +11:00
Matthew Waters
57898fec2a gl: fix various build errors without desktop gl 2014-11-28 10:59:46 +11:00
Matthew Waters
f2af65ee2d gl: add a sync meta for synchronizing across GL contexts 
A context can create a GLsync object that can be waited on in order
to ensure that GL resources created in one context are able to be
used in another shared context without any chance of reading invalid
data.

This meta would be placed on buffers that are known to cross from
one context to another.  The receiving element would then wait
on the sync object to ensure that the data to be used is complete.
 2014-11-28 09:14:25 +11:00