[Mesa-dev] [PATCH 2/2] mesa: load a user defined drirc file specified via an environment variable

[Eric Anholt]

Edmondo Tommasina <edmondo.tommasina at gmail.com> writes:

> On Mon, Mar 27, 2017 at 6:05 PM, Eric Anholt <eric at anholt.net> wrote:
>> Edmondo Tommasina <edmondo.tommasina at gmail.com> writes:
>>
>>> Define a new MESA_USER_DRIRC environment variable to load a customized
>>> drirc file.
>>>
>>> When the variable is not defined, nothing changes and the ${HOME}/.drirc
>>> file will be loaded.
>>>
>>> If the variable is set to a file, this file will be loaded instead of
>>> the the ${HOME}/.drirc.
>>>
>>> Example: MESA_USER_DRIRC=~/glthread.drirc glxgears
>>>
>>> If the variable is set to nothing, it avoids to load the ${HOME}/.drirc
>>> file.
>>>
>>> Example: MESA_USER_DRIRC= glxgears
>>
>> Could you extend the commit message to describe what problem is being
>> solved?  Why wouldn't you just customize your .drirc, since it's in your
>> homedir already?
>
> I've posted a second version of the patch, trying to better document the
> possible generic usage of the variable.
>
> My use: I don't have a ~/.drirc file since I prefer to have my desktop
> running with the default mesa setting (/etc/drirc). If the ~/.drirc file
> would exist, it would impact all the applications started with my
> user and not only the one I want to test. This is potentially a little
> problem being solved.
>
> For me it's useful when I test/benchmark something: I like to use
> prepared config file just for this kind of test, instead of passing
> a list of env variables.

So you want to set this environment variable so you can avoid passing
things as environment variables?  That doesn't seem like a strong enough
justification for the patch, to me.
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