[Mesa-dev] [PATCH 2/2] Make envvars set to zero actually be false

Dave Airlie airlied at gmail.com
Thu Oct 11 14:12:43 PDT 2012

> Previously, LIBGL_ALWAYS_SOFTWARE=0 glxgears would still run swrast.
> This is not what people expect.

Is it documented either way, its kinda like ifdef vs if in C, I
generally for this sort of thing except ifdef behaviour.


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