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

[Dave Airlie]

On Thu, Oct 11, 2012 at 8:53 PM, Matt Turner <mattst88 at gmail.com> wrote:
> 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.

>From reading your last two mails, I think do nothing is a fine
solution. Why change it if only 10 out 10517 hits tried to use it
wrong,

its documented, changing it also means we have two documented
behaviours for different releases of mesa.

Dave.