[Bug 704808] Split GstGLDisplay into that and GstGLContext

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=704808
  GStreamer | gst-plugins-gl | git

--- Comment #2 from Sebastian Dröge (slomo) <slomo at circular-chaos.org> 2013-08-15 08:34:34 UTC ---
(In reply to comment #1)
> have to check whether vfuncs are per context or not

They are not, but they depend on the GL version used. GLES vs. desktop GL at
least. However we can't reliable load different ones in the same process
anyway.

> GstGLContext - represents a GL context.  As such is platform specific (GLX,
> EGL, WGL, etc).  Holds a reference to a single GstGLWindow.
> GstGLWindow - represents a window/surface that we are rendering to/with. 
> Eventually will be split into 2 categories, offscreen and onscreen.

Can't we have a GL context without a window? E.g. the filters don't really
require a window (offscreen or onscreen)


Otherwise sounds like a good plan :)

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