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qt/gloverlay: reset current OpenGL context after Qt

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Qt may replace the drawable with its own which breaks output if Qt is
not displaying the resulting video as used with e.g. glimagesink.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/623>
This commit is contained in:
Matthew Waters 2020-06-12 12:16:49 +10:00 committed by GStreamer Merge Bot
parent 556e7ab210
commit ffe4d09efc
1 changed files with 6 additions and 0 deletions
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6
ext/qt/qtglrenderer.cc
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@ -636,6 +636,12 @@ void GstQuickRenderer::initializeGstGL ()
m_sharedRenderData->m_animationDriver->install();
}
g_mutex_unlock (&m_sharedRenderData->lock);
/* XXX: reset the OpenGL context drawable as Qt may have clobbered it.
* Fixes glimagesink output where Qt replaces the Surface to use in its
* own MakeCurrent call. Qt does this on it's OpenGL initialisation
* the the rendering engine. */
gst_gl_context_activate (gl_context, FALSE);
gst_gl_context_activate (gl_context, TRUE);
}
void GstQuickRenderer::initializeQml()