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

Matt Turner mattst88 at gmail.com
Thu Oct 11 17:53:11 PDT 2012

On Thu, Oct 11, 2012 at 2:12 PM, Dave Airlie <airlied at gmail.com> wrote:
>> 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.
> Dave.

envvars.html says

<li>LIBGL_ALWAYS_INDIRECT - forces an indirect rendering context/connection.
<li>LIBGL_ALWAYS_SOFTWARE - if set, always use software rendering

which I should update as a part of this patch.

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