[Bug 742887] glprototypes : sync extension not loaded

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=742887
  GStreamer | gst-plugins-bad | git

Matthew Waters <ystreet00> changed:

           What    |Removed                     |Added
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                 CC|                            |ystreet00 at gmail.com

--- Comment #1 from Matthew Waters <ystreet00 at gmail.com> 2015-01-14 04:57:22 UTC ---
GL_ARB_sync depends on GL 3.1 and we currently don't have any way to limit
checking extensions depending on the GL api version.  With mesa if you create a
legacy GL context, you get 3.0 and if we tried to load the sync extension
(which succeeds in retreiving the function pointers) then use the sync
functions when it's technically not supported mesa outputs a warning.

The other option is to add GST_GL_API_OPENGL to the api list which will still
require GL 3.2 in order to use the sync functions so all is well.

Or implement core contexts for wgl.

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