[Bug 739440] New: GstGLMemory lazy malloc system memory

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=739440
  GStreamer | gst-plugins-bad | git

           Summary: GstGLMemory lazy malloc system memory
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: comicfans44 at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=289714)
 View: https://bugzilla.gnome.org/attachment.cgi?id=289714
 Review: https://bugzilla.gnome.org/review?bug=739440&attachment=289714

misc patch to lazy malloc glmemory's system memory

gst_gl_memory_alloc always allocate system memory by g_malloc,
but this memory is only used when map buffer for system memory read/write,
should this memory be lazy allocated only if in this case ?  attachment is a 
misc patch to do this, but out of memory can only be detected when map 
buffer for system read/write, not the allocate time.

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