[Interest] Strange issue with Qt, OpenGL and remote desktop

Giuseppe D'Angelo giuseppe.dangelo at kdab.com
Thu Oct 24 22:21:40 CEST 2019

Il 24/10/19 17:57, Rainer Wiesenfarth ha scritto:
> We ran into a reproducible crash that is restricted to a certain 
> scenario. The crash occurs in QGlContextPrivate::syncGlState() when 
> trying to call glDisableVertexAttribArray(). It seems the function 
> pointer is not available. However, there are some other factors involved:

Very wild guess, maybe remote desktop is somehow issuing a GL context 
reset, and the code in question is not prepared to handle it?

(Are we talking about QGL* classes here or QOpenGL* classes?)

Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

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