[Mesa-dev] [RFC][PATCH 4/5] Android.mk: Add option to use vendor version of mesa

[John Stultz]

On Wed, Jul 25, 2018 at 6:50 AM, Rob Herring <robh at kernel.org> wrote:
> On Tue, Jul 24, 2018 at 5:21 PM John Stultz <john.stultz at linaro.org> wrote:
>>
>> From: Yong Yao <yong.yao at intel.com>
>>
>> This is a forward port of a patch from the AOSP/master branch:
>> https://android.googlesource.com/platform/external/mesa3d/+/b1e5fad1db4c1d51c7ae3a033b100a8429ae5415%5E%21/
>>
>> Which allows boards to provide their own custom copy of mesa.
>
> IMO, if AOSP wants/needs to have multiple forks of mesa, then they
> should carry this patch.

I'd turn this around and ask if there is any sense in having the
default mesa in AOSP be anything but (possibly a stable snapshot) of
the upstream mesa tree?

Obviously, shipping boards/devices will need their own device specific
hacks and patches until those go upstream, so this provides a
mechanism for that.

But if vendors can't easily test upstream mesa (hopefully updated with
their refined patches finally merged) with AOSP, that just creates an
extra barrier, and dis-incentivises folks from bothering to work with
upstream.

thanks
-john