[PyQt] After update Linux Debian get "shader compilation failed"

[Florian Bruhin]

On Tue, Mar 20, 2018 at 08:47:11PM +0000, Starglider Developer wrote:
> I reboot after the update, because I work with VM and just reboot now.
> 
> The output of glxinfo -b is:
> 
> [...]
> OpenGL vendor string: NVIDIA Corporation

You're probably dealing with this bug in the nvidia driver then:
https://bugs.launchpad.net/ubuntu/+source/python-qt4/+bug/941826
I don't know how an update would've affected this, though.

Anyways, doing this in your application before using QtWebEngine (or
maybe before importing it, not sure) will likely help:

    import ctypes
    import ctypes.util
    ctypes.CDLL(ctypes.util.find_library("GL"), mode=ctypes.RTLD_GLOBAL)

Florian

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