[Octave-bug-tracker] [bug #44916] Printing Qt-drawn figures produces faulty files

[Dan Sebald]

Follow-up Comment #43, bug #44916 (project octave):

Identifying the driver/version for the systems that are failing would help. 
For Linux, glxinfo appears to have the GL_ parameters.

The source tree for the various drivers is available on line in git, so this
bug could be searched there.

http://cgit.freedesktop.org/mesa/mesa/

It's possible to build all the drivers and Mesa locally to find out if the
latest drivers fix the problem (or help debug the driver).  This takes some
time, not too bad but also not something for the impatient.  It's a lot of
this sort of compiling:

[compiling resources so that they look to a different package configuration
than the OS bundles default package directory...the install will place the
library files and drivers in the local folder, not system folder]


git clone <repository>
PKG_CONFIG_PATH=/home/local/lib/pkgconfig:/usr/local/lib64:$PKG_CONFIG_PATH
cmake .
make
make install


and

[Run the application so that it loads drivers from the new library path]


LD_LIBRARY_PATH=/home/local/lib:/usr/local/lib64 <path>/run-octave


The end result is a bunch of library files in local/lib, and a half dozen
drivers in local/lib/dri.  Windows might be more challenging.



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