[Bug 768160] qtplugins: How to implement qmlglsrc.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=768160

Matthew Waters (ystreet00) <ystreet00 at gmail.com> changed:

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

--- Comment #1 from Matthew Waters (ystreet00) <ystreet00 at gmail.com> ---
qmlglsrc as a screen grabber of the qml scene graph is in general a bad idea
for performance reasons as you have to perform a readback (bad) of the GL front
buffer (also bad).  If possible, you should attempt to retrieve your rendering
before qmlglsink and pass that downstream.

That being said, it's possible that screen grabbing may be your only option so
something like that would be useful.

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