Record the result of a counter
End counting the query
Start counting the query
Free any dynamically allocated resources
Performs a GST_QUERY_CONTEXT query of type "gst.gl.local_context" on all #GstPads in element of direction for the local OpenGL context used by GStreamer elements.
A #GstGLQuery represents and holds an OpenGL query object. Various types of queries can be run or counters retrieved.