Linux OpenGL applications on Intel graphics

[Theron]

On 2019-10-26 12:03, Theron wrote:
> Any program I've tried falls back to software rendering or fails, with 
> the message:
> libGL error: failed to load driver: nouveau

> My question is: Why is LibGL trying to use nouveau driver?  That is 
> not at all appropriate, whereas I don't see any attempt being made to 
> load i915/i965 driver.
env MESA_LOADER_DRIVER_OVERRIDE=i965 (an undocumented env. variable 
found by looking at Mesa source) works around the problem, so Linux 
LibGL works on Intel once it knows what driver to use.  Why is that 
necessary?

Theron Tarigo