[Bug 796506] Black frames with qmlglsrc in a VM

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Jun 6 05:11:34 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796506

Julien Isorce <julien.isorce at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |gkiagia at tolabaki.gr,
                   |                            |ystreet00 at gmail.com

--- Comment #4 from Julien Isorce <julien.isorce at gmail.com> ---
It is with vmware, not virtual box and the error Mesa: User error:
GL_INVALID_OPERATION in glReadBuffer(invalid buffer GL_COLOR_ATTACHMENT0) goes
away if I set use-default-fbo=false.

Also videotestsrc ! glimagesink and videotestsrc ! gstgtkglsink are working
fine.
The example qmlsink also works fine.

And I wonder if we could use QOpenGLFramebufferObject::texture()  to directly
wrap the texture from qt instead of having this extra fbo copy.

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