[Bug 729551] New: GstGLDisplay: mix platform and window

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=729551
  GStreamer | gst-plugins-bad | git

           Summary: GstGLDisplay: mix platform and window
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: julien.isorce at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


1- It parses env "GST_GL_WINDOW" whereas it checks for "egl" platform:
http://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/gst-libs/gst/gl/gstgldisplay.c#n132
I understand the confusion because the egl platform is the only platform which
has its own display type. But "EGLDisplay eglGetDisplay(    NativeDisplayType
native_display);" can be created from the native display. I have not tried to
pass a native display to  eglGetDisplay though. Anyway it needs some
clarifications here and  GST_GL_WINDOW en var cannot be equal to egl.

2 - gst_gl_display_get_gl_api and gst_gl_display_get_gl_vtable should be
removed as it has moved to gstglcontext. (gl_api attribute as well)

3- implement gst_gl_display_get_handle_type

4- On OSX, I have both x11 and cocoa windows which get compiled. But then if I
do not set GST_GL_WINDOW en var, it still calls XOpenDisplay because there is
no cocoa case in gstgldisplay.c.
Even if it won't use it as the selected platform is cocoa by default.
This is annoying because it takes around 5 sec to launch a pipeline because it
has to open XQuartz (if not already open).

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